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authorJustOff <Off.Just.Off@gmail.com>2018-06-29 20:57:44 +0300
committerJustOff <Off.Just.Off@gmail.com>2018-06-29 20:57:44 +0300
commit47e9f9d4c1674cb3ee3bf29c415141520225243d (patch)
tree8b51f96dd85bb3253c0c61fa2b214465d53a95ed /media/libwebp
parent445ebe5a302895418ba993943de136449c743403 (diff)
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Sync libwebp sources with https://chromium.googlesource.com/webm/libwebp/+/v1.0.0
Diffstat (limited to 'media/libwebp')
-rw-r--r--media/libwebp/AUTHORS1
-rw-r--r--media/libwebp/NEWS23
-rw-r--r--media/libwebp/README42
-rw-r--r--media/libwebp/README.mux6
-rw-r--r--media/libwebp/dec/alpha_dec.c6
-rw-r--r--media/libwebp/dec/alphai_dec.h8
-rw-r--r--media/libwebp/dec/buffer_dec.c49
-rw-r--r--media/libwebp/dec/common_dec.h6
-rw-r--r--media/libwebp/dec/frame_dec.c26
-rw-r--r--media/libwebp/dec/idec_dec.c12
-rw-r--r--media/libwebp/dec/io_dec.c16
-rw-r--r--media/libwebp/dec/quant_dec.c2
-rw-r--r--media/libwebp/dec/tree_dec.c16
-rw-r--r--media/libwebp/dec/vp8_dec.c10
-rw-r--r--media/libwebp/dec/vp8_dec.h16
-rw-r--r--media/libwebp/dec/vp8i_dec.h15
-rw-r--r--media/libwebp/dec/vp8l_dec.c42
-rw-r--r--media/libwebp/dec/vp8li_dec.h8
-rw-r--r--media/libwebp/dec/webp_dec.c10
-rw-r--r--media/libwebp/dec/webpi_dec.h8
-rw-r--r--media/libwebp/demux/demux.c18
-rw-r--r--media/libwebp/dsp/alpha_processing.c141
-rw-r--r--media/libwebp/dsp/alpha_processing_sse2.c88
-rw-r--r--media/libwebp/dsp/alpha_processing_sse41.c10
-rw-r--r--media/libwebp/dsp/common_sse2.h14
-rw-r--r--media/libwebp/dsp/common_sse41.h132
-rw-r--r--media/libwebp/dsp/dec.c402
-rw-r--r--media/libwebp/dsp/dec_clip_tables.c13
-rw-r--r--media/libwebp/dsp/dec_neon.c725
-rw-r--r--media/libwebp/dsp/dec_sse2.c460
-rw-r--r--media/libwebp/dsp/dec_sse41.c6
-rw-r--r--media/libwebp/dsp/dsp.h140
-rw-r--r--media/libwebp/dsp/filters.c146
-rw-r--r--media/libwebp/dsp/filters_sse2.c115
-rw-r--r--media/libwebp/dsp/lossless.c202
-rw-r--r--media/libwebp/dsp/lossless.h6
-rw-r--r--media/libwebp/dsp/lossless_common.h8
-rw-r--r--media/libwebp/dsp/lossless_neon.c63
-rw-r--r--media/libwebp/dsp/lossless_sse2.c290
-rw-r--r--media/libwebp/dsp/msa_macro.h2
-rw-r--r--media/libwebp/dsp/neon.h11
-rw-r--r--media/libwebp/dsp/rescaler.c48
-rw-r--r--media/libwebp/dsp/rescaler_neon.c24
-rw-r--r--media/libwebp/dsp/rescaler_sse2.c98
-rw-r--r--media/libwebp/dsp/upsampling.c189
-rw-r--r--media/libwebp/dsp/upsampling_neon.c52
-rw-r--r--media/libwebp/dsp/upsampling_sse2.c138
-rw-r--r--media/libwebp/dsp/upsampling_sse41.c239
-rw-r--r--media/libwebp/dsp/yuv.c125
-rw-r--r--media/libwebp/dsp/yuv.h86
-rw-r--r--media/libwebp/dsp/yuv_sse2.c349
-rw-r--r--media/libwebp/dsp/yuv_sse41.c613
-rw-r--r--media/libwebp/enc/backward_references_enc.h53
-rw-r--r--media/libwebp/enc/cost_enc.h8
-rw-r--r--media/libwebp/enc/histogram_enc.h19
-rw-r--r--media/libwebp/enc/vp8i_enc.h40
-rw-r--r--media/libwebp/enc/vp8li_enc.h49
-rw-r--r--media/libwebp/utils/bit_reader_inl_utils.h12
-rw-r--r--media/libwebp/utils/bit_reader_utils.c2
-rw-r--r--media/libwebp/utils/bit_reader_utils.h9
-rw-r--r--media/libwebp/utils/bit_writer_utils.h16
-rw-r--r--media/libwebp/utils/color_cache_utils.c4
-rw-r--r--media/libwebp/utils/color_cache_utils.h16
-rw-r--r--media/libwebp/utils/endian_inl_utils.h13
-rw-r--r--media/libwebp/utils/filters_utils.c2
-rw-r--r--media/libwebp/utils/filters_utils.h6
-rw-r--r--media/libwebp/utils/huffman_encode_utils.h6
-rw-r--r--media/libwebp/utils/huffman_utils.c4
-rw-r--r--media/libwebp/utils/huffman_utils.h6
-rw-r--r--media/libwebp/utils/quant_levels_dec_utils.c9
-rw-r--r--media/libwebp/utils/quant_levels_dec_utils.h6
-rw-r--r--media/libwebp/utils/quant_levels_utils.c2
-rw-r--r--media/libwebp/utils/quant_levels_utils.h6
-rw-r--r--media/libwebp/utils/random_utils.c2
-rw-r--r--media/libwebp/utils/random_utils.h6
-rw-r--r--media/libwebp/utils/rescaler_utils.c8
-rw-r--r--media/libwebp/utils/rescaler_utils.h6
-rw-r--r--media/libwebp/utils/thread_utils.c63
-rw-r--r--media/libwebp/utils/thread_utils.h15
-rw-r--r--media/libwebp/utils/utils.c6
-rw-r--r--media/libwebp/utils/utils.h28
-rw-r--r--media/libwebp/webp/decode.h87
-rw-r--r--media/libwebp/webp/demux.h67
-rw-r--r--media/libwebp/webp/encode.h131
-rw-r--r--media/libwebp/webp/mux.h60
-rw-r--r--media/libwebp/webp/types.h4
86 files changed, 3796 insertions, 2250 deletions
diff --git a/media/libwebp/AUTHORS b/media/libwebp/AUTHORS
index b6e9cfb89..83c7b9c5e 100644
--- a/media/libwebp/AUTHORS
+++ b/media/libwebp/AUTHORS
@@ -35,4 +35,5 @@ Contributors:
- Urvang Joshi (urvang at google dot com)
- Vikas Arora (vikasa at google dot com)
- Vincent Rabaud (vrabaud at google dot com)
+- Vlad Tsyrklevich (vtsyrklevich at chromium dot org)
- Yang Zhang (yang dot zhang at arm dot com)
diff --git a/media/libwebp/NEWS b/media/libwebp/NEWS
index 3bf4bd052..480cb7d34 100644
--- a/media/libwebp/NEWS
+++ b/media/libwebp/NEWS
@@ -1,3 +1,26 @@
+- 4/2/2018: version 1.0.0
+ This is a binary compatible release.
+ * lossy encoder improvements to avoid chroma shifts in various circumstances
+ (issues #308, #340)
+ * big-endian fixes for decode, RGBA import and WebPPictureDistortion
+ Tool updates:
+ gifwebp, anim_diff - default duration behavior (<= 10ms) changed to match
+ web browsers, transcoding tools (issue #379)
+ img2webp, webpmux - allow options to be passed in via a file (issue #355)
+
+- 11/24/2017: version 0.6.1
+ This is a binary compatible release.
+ * lossless performance and compression improvements + a new 'cruncher' mode
+ (-m 6 -q 100)
+ * ARM performance improvements with clang (15-20% w/ndk r15c, issue #339)
+ * webp-js: emscripten/webassembly based javascript decoder
+ * miscellaneous bug & build fixes (issue #329, #332, #343, #353, #360, #361,
+ #363)
+ Tool updates / additions:
+ added webpinfo - prints file format information (issue #330)
+ gif2webp - loop behavior modified to match Chrome M63+ (crbug.com/649264);
+ '-loop_compatibility' can be used for the old behavior
+
- 1/26/2017: version 0.6.0
* lossless performance and compression improvements
* miscellaneous performance improvements (SSE2, NEON, MSA)
diff --git a/media/libwebp/README b/media/libwebp/README
index 4c15c4ad8..a76b3787f 100644
--- a/media/libwebp/README
+++ b/media/libwebp/README
@@ -4,7 +4,7 @@
\__\__/\____/\_____/__/ ____ ___
/ _/ / \ \ / _ \/ _/
/ \_/ / / \ \ __/ \__
- \____/____/\_____/_____/____/v0.6.0
+ \____/____/\_____/_____/____/v1.0.0
Description:
============
@@ -113,8 +113,8 @@ make install
CMake:
------
-The support for CMake is minimal: it only helps you compile libwebp, cwebp and
-dwebp.
+With CMake, you can compile libwebp, cwebp, dwebp, gif2web, img2webp, webpinfo
+and the JS bindings.
Prerequisites:
A compiler (e.g., gcc with autotools) and CMake.
@@ -123,18 +123,25 @@ minimal build:
$ sudo apt-get install build-essential cmake
When building from git sources, you will need to run cmake to generate the
-configure script.
+makefiles.
mkdir build && cd build && cmake ../
make
make install
-If you also want cwebp or dwebp, you will need to enable them through CMake:
+If you also want any of the executables, you will need to enable them through
+CMake, e.g.:
cmake -DWEBP_BUILD_CWEBP=ON -DWEBP_BUILD_DWEBP=ON ../
or through your favorite interface (like ccmake or cmake-qt-gui).
+Finally, once installed, you can also use WebP in your CMake project by doing:
+
+find_package(WebP)
+
+which will define the CMake variables WebP_INCLUDE_DIRS and WebP_LIBRARIES.
+
Gradle:
-------
The support for Gradle is minimal: it only helps you compile libwebp, cwebp and
@@ -360,6 +367,23 @@ Use following options to convert into alternate image formats:
-quiet ....... quiet mode, don't print anything
-noasm ....... disable all assembly optimizations
+WebP file analysis tool:
+========================
+
+'webpinfo' can be used to print out the chunk level structure and bitstream
+header information of WebP files. It can also check if the files are of valid
+WebP format.
+
+Usage: webpinfo [options] in_files
+Note: there could be multiple input files;
+ options must come before input files.
+Options:
+ -version ........... Print version number and exit.
+ -quiet ............. Do not show chunk parsing information.
+ -diag .............. Show parsing error diagnosis.
+ -summary ........... Show chunk stats summary.
+ -bitstream_info .... Parse bitstream header.
+
Visualization tool:
===================
@@ -434,6 +458,7 @@ File-level options (only used at the start of compression):
-mixed ............... use mixed lossy/lossless automatic mode
-v ................... verbose mode
-h ................... this help
+ -version ............. print version number and exit
Per-frame options (only used for subsequent images input):
-d <int> ............. frame duration in ms (default: 100)
@@ -470,6 +495,8 @@ Options:
-metadata <string> ..... comma separated list of metadata to
copy from the input to the output if present
Valid values: all, none, icc, xmp (default)
+ -loop_compatibility .... use compatibility mode for Chrome
+ version prior to M62 (inclusive)
-mt .................... use multi-threading if available
-version ............... print version number and exit
@@ -498,6 +525,11 @@ Options:
-min_psnr <float> ... minimum per-frame PSNR
-raw_comparison ..... if this flag is not used, RGB is
premultiplied before comparison
+ -max_diff <int> ..... maximum allowed difference per channel
+ between corresponding pixels in subsequent
+ frames
+ -h .................. this help
+ -version ............ print version number and exit
Building:
---------
diff --git a/media/libwebp/README.mux b/media/libwebp/README.mux
index 04fedd163..bd4f92fa3 100644
--- a/media/libwebp/README.mux
+++ b/media/libwebp/README.mux
@@ -1,7 +1,7 @@
 __ __ ____ ____ ____ __ __ _ __ __
/ \\/ \/ _ \/ _ \/ _ \/ \ \/ \___/_ / _\
\ / __/ _ \ __/ / / (_/ /__
- \__\__/\_____/_____/__/ \__//_/\_____/__/___/v0.4.0
+ \__\__/\_____/_____/__/ \__//_/\_____/__/___/v1.0.0
Description:
@@ -33,6 +33,7 @@ Usage: webpmux -get GET_OPTIONS INPUT -o OUTPUT
webpmux -info INPUT
webpmux [-h|-help]
webpmux -version
+ webpmux argument_file_name
GET_OPTIONS:
Extract relevant data:
@@ -92,6 +93,9 @@ INPUT & OUTPUT are in WebP format.
Note: The nature of EXIF, XMP and ICC data is not checked and is assumed to be
valid.
+Note: if a single file name is passed as the argument, the arguments will be
+tokenized from this file. The file name must not start with the character '-'.
+
Visualization tool:
===================
diff --git a/media/libwebp/dec/alpha_dec.c b/media/libwebp/dec/alpha_dec.c
index 83ffd4b60..1ff7c62d8 100644
--- a/media/libwebp/dec/alpha_dec.c
+++ b/media/libwebp/dec/alpha_dec.c
@@ -12,9 +12,9 @@
// Author: Skal (pascal.massimino@gmail.com)
#include <stdlib.h>
-#include "./alphai_dec.h"
-#include "./vp8i_dec.h"
-#include "./vp8li_dec.h"
+#include "../dec/alphai_dec.h"
+#include "../dec/vp8i_dec.h"
+#include "../dec/vp8li_dec.h"
#include "../dsp/dsp.h"
#include "../utils/quant_levels_dec_utils.h"
#include "../utils/utils.h"
diff --git a/media/libwebp/dec/alphai_dec.h b/media/libwebp/dec/alphai_dec.h
index 561e8151e..3b40691b5 100644
--- a/media/libwebp/dec/alphai_dec.h
+++ b/media/libwebp/dec/alphai_dec.h
@@ -11,10 +11,10 @@
//
// Author: Urvang (urvang@google.com)
-#ifndef WEBP_DEC_ALPHAI_H_
-#define WEBP_DEC_ALPHAI_H_
+#ifndef WEBP_DEC_ALPHAI_DEC_H_
+#define WEBP_DEC_ALPHAI_DEC_H_
-#include "./webpi_dec.h"
+#include "../dec/webpi_dec.h"
#include "../utils/filters_utils.h"
#ifdef __cplusplus
@@ -51,4 +51,4 @@ void WebPDeallocateAlphaMemory(VP8Decoder* const dec);
} // extern "C"
#endif
-#endif /* WEBP_DEC_ALPHAI_H_ */
+#endif /* WEBP_DEC_ALPHAI_DEC_H_ */
diff --git a/media/libwebp/dec/buffer_dec.c b/media/libwebp/dec/buffer_dec.c
index c685fd564..c7565c1bf 100644
--- a/media/libwebp/dec/buffer_dec.c
+++ b/media/libwebp/dec/buffer_dec.c
@@ -13,15 +13,15 @@
#include <stdlib.h>
-#include "./vp8i_dec.h"
-#include "./webpi_dec.h"
+#include "../dec/vp8i_dec.h"
+#include "../dec/webpi_dec.h"
#include "../utils/utils.h"
//------------------------------------------------------------------------------
// WebPDecBuffer
// Number of bytes per pixel for the different color-spaces.
-static const int kModeBpp[MODE_LAST] = {
+static const uint8_t kModeBpp[MODE_LAST] = {
3, 4, 3, 4, 4, 2, 2,
4, 4, 4, 2, // pre-multiplied modes
1, 1 };
@@ -36,7 +36,7 @@ static int IsValidColorspace(int webp_csp_mode) {
// strictly speaking, the very last (or first, if flipped) row
// doesn't require padding.
#define MIN_BUFFER_SIZE(WIDTH, HEIGHT, STRIDE) \
- (uint64_t)(STRIDE) * ((HEIGHT) - 1) + (WIDTH)
+ ((uint64_t)(STRIDE) * ((HEIGHT) - 1) + (WIDTH))
static VP8StatusCode CheckDecBuffer(const WebPDecBuffer* const buffer) {
int ok = 1;
@@ -98,9 +98,14 @@ static VP8StatusCode AllocateBuffer(WebPDecBuffer* const buffer) {
uint64_t uv_size = 0, a_size = 0, total_size;
// We need memory and it hasn't been allocated yet.
// => initialize output buffer, now that dimensions are known.
- const int stride = w * kModeBpp[mode];
- const uint64_t size = (uint64_t)stride * h;
+ int stride;
+ uint64_t size;
+ if ((uint64_t)w * kModeBpp[mode] >= (1ull << 32)) {
+ return VP8_STATUS_INVALID_PARAM;
+ }
+ stride = w * kModeBpp[mode];
+ size = (uint64_t)stride * h;
if (!WebPIsRGBMode(mode)) {
uv_stride = (w + 1) / 2;
uv_size = (uint64_t)uv_stride * ((h + 1) / 2);
@@ -169,11 +174,11 @@ VP8StatusCode WebPFlipBuffer(WebPDecBuffer* const buffer) {
return VP8_STATUS_OK;
}
-VP8StatusCode WebPAllocateDecBuffer(int w, int h,
+VP8StatusCode WebPAllocateDecBuffer(int width, int height,
const WebPDecoderOptions* const options,
- WebPDecBuffer* const out) {
+ WebPDecBuffer* const buffer) {
VP8StatusCode status;
- if (out == NULL || w <= 0 || h <= 0) {
+ if (buffer == NULL || width <= 0 || height <= 0) {
return VP8_STATUS_INVALID_PARAM;
}
if (options != NULL) { // First, apply options if there is any.
@@ -182,33 +187,39 @@ VP8StatusCode WebPAllocateDecBuffer(int w, int h,
const int ch = options->crop_height;
const int x = options->crop_left & ~1;
const int y = options->crop_top & ~1;
- if (x < 0 || y < 0 || cw <= 0 || ch <= 0 || x + cw > w || y + ch > h) {
+ if (x < 0 || y < 0 || cw <= 0 || ch <= 0 ||
+ x + cw > width || y + ch > height) {
return VP8_STATUS_INVALID_PARAM; // out of frame boundary.
}
- w = cw;
- h = ch;
+ width = cw;
+ height = ch;
}
+
if (options->use_scaling) {
+#if !defined(WEBP_REDUCE_SIZE)
int scaled_width = options->scaled_width;
int scaled_height = options->scaled_height;
if (!WebPRescalerGetScaledDimensions(
- w, h, &scaled_width, &scaled_height)) {
+ width, height, &scaled_width, &scaled_height)) {
return VP8_STATUS_INVALID_PARAM;
}
- w = scaled_width;
- h = scaled_height;
+ width = scaled_width;
+ height = scaled_height;
+#else
+ return VP8_STATUS_INVALID_PARAM; // rescaling not supported
+#endif
}
}
- out->width = w;
- out->height = h;
+ buffer->width = width;
+ buffer->height = height;
// Then, allocate buffer for real.
- status = AllocateBuffer(out);
+ status = AllocateBuffer(buffer);
if (status != VP8_STATUS_OK) return status;
// Use the stride trick if vertical flip is needed.
if (options != NULL && options->flip) {
- status = WebPFlipBuffer(out);
+ status = WebPFlipBuffer(buffer);
}
return status;
}
diff --git a/media/libwebp/dec/common_dec.h b/media/libwebp/dec/common_dec.h
index 6961e2247..9995f1a51 100644
--- a/media/libwebp/dec/common_dec.h
+++ b/media/libwebp/dec/common_dec.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_DEC_COMMON_H_
-#define WEBP_DEC_COMMON_H_
+#ifndef WEBP_DEC_COMMON_DEC_H_
+#define WEBP_DEC_COMMON_DEC_H_
// intra prediction modes
enum { B_DC_PRED = 0, // 4x4 modes
@@ -51,4 +51,4 @@ enum { MB_FEATURE_TREE_PROBS = 3,
NUM_PROBAS = 11
};
-#endif // WEBP_DEC_COMMON_H_
+#endif // WEBP_DEC_COMMON_DEC_H_
diff --git a/media/libwebp/dec/frame_dec.c b/media/libwebp/dec/frame_dec.c
index f91e27f7c..57e4d9669 100644
--- a/media/libwebp/dec/frame_dec.c
+++ b/media/libwebp/dec/frame_dec.c
@@ -12,13 +12,13 @@
// Author: Skal (pascal.massimino@gmail.com)
#include <stdlib.h>
-#include "./vp8i_dec.h"
+#include "../dec/vp8i_dec.h"
#include "../utils/utils.h"
//------------------------------------------------------------------------------
// Main reconstruction function.
-static const int kScan[16] = {
+static const uint16_t kScan[16] = {
0 + 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS,
0 + 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS,
0 + 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS,
@@ -320,7 +320,7 @@ static void PrecomputeFilterStrengths(VP8Decoder* const dec) {
#define MIN_DITHER_AMP 4
#define DITHER_AMP_TAB_SIZE 12
-static const int kQuantToDitherAmp[DITHER_AMP_TAB_SIZE] = {
+static const uint8_t kQuantToDitherAmp[DITHER_AMP_TAB_SIZE] = {
// roughly, it's dqm->uv_mat_[1]
8, 7, 6, 4, 4, 2, 2, 2, 1, 1, 1, 1
};
@@ -400,7 +400,9 @@ static void DitherRow(VP8Decoder* const dec) {
#define MACROBLOCK_VPOS(mb_y) ((mb_y) * 16) // vertical position of a MB
// Finalize and transmit a complete row. Return false in case of user-abort.
-static int FinishRow(VP8Decoder* const dec, VP8Io* const io) {
+static int FinishRow(void* arg1, void* arg2) {
+ VP8Decoder* const dec = (VP8Decoder*)arg1;
+ VP8Io* const io = (VP8Io*)arg2;
int ok = 1;
const VP8ThreadContext* const ctx = &dec->thread_ctx_;
const int cache_id = ctx->id_;
@@ -448,10 +450,9 @@ static int FinishRow(VP8Decoder* const dec, VP8Io* const io) {
if (y_end > io->crop_bottom) {
y_end = io->crop_bottom; // make sure we don't overflow on last row.
}
+ // If dec->alpha_data_ is not NULL, we have some alpha plane present.
io->a = NULL;
if (dec->alpha_data_ != NULL && y_start < y_end) {
- // TODO(skal): testing presence of alpha with dec->alpha_data_ is not a
- // good idea.
io->a = VP8DecompressAlphaRows(dec, io, y_start, y_end - y_start);
if (io->a == NULL) {
return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR,
@@ -558,7 +559,6 @@ VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) {
if (io->bypass_filtering) {
dec->filter_type_ = 0;
}
- // TODO(skal): filter type / strength / sharpness forcing
// Define the area where we can skip in-loop filtering, in case of cropping.
//
@@ -569,8 +569,6 @@ VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) {
// Means: there's a dependency chain that goes all the way up to the
// top-left corner of the picture (MB #0). We must filter all the previous
// macroblocks.
- // TODO(skal): add an 'approximate_decoding' option, that won't produce
- // a 1:1 bit-exactness for complex filtering?
{
const int extra_pixels = kFilterExtraRows[dec->filter_type_];
if (dec->filter_type_ == 2) {
@@ -651,7 +649,7 @@ static int InitThreadContext(VP8Decoder* const dec) {
}
worker->data1 = dec;
worker->data2 = (void*)&dec->thread_ctx_.io_;
- worker->hook = (WebPWorkerHook)FinishRow;
+ worker->hook = FinishRow;
dec->num_caches_ =
(dec->filter_type_ > 0) ? MT_CACHE_LINES : MT_CACHE_LINES - 1;
} else {
@@ -728,7 +726,7 @@ static int AllocateMemory(VP8Decoder* const dec) {
}
mem = (uint8_t*)dec->mem_;
- dec->intra_t_ = (uint8_t*)mem;
+ dec->intra_t_ = mem;
mem += intra_pred_mode_size;
dec->yuv_t_ = (VP8TopSamples*)mem;
@@ -750,7 +748,7 @@ static int AllocateMemory(VP8Decoder* const dec) {
mem = (uint8_t*)WEBP_ALIGN(mem);
assert((yuv_size & WEBP_ALIGN_CST) == 0);
- dec->yuv_b_ = (uint8_t*)mem;
+ dec->yuv_b_ = mem;
mem += yuv_size;
dec->mb_data_ = (VP8MBData*)mem;
@@ -766,7 +764,7 @@ static int AllocateMemory(VP8Decoder* const dec) {
const int extra_rows = kFilterExtraRows[dec->filter_type_];
const int extra_y = extra_rows * dec->cache_y_stride_;
const int extra_uv = (extra_rows / 2) * dec->cache_uv_stride_;
- dec->cache_y_ = ((uint8_t*)mem) + extra_y;
+ dec->cache_y_ = mem + extra_y;
dec->cache_u_ = dec->cache_y_
+ 16 * num_caches * dec->cache_y_stride_ + extra_uv;
dec->cache_v_ = dec->cache_u_
@@ -776,7 +774,7 @@ static int AllocateMemory(VP8Decoder* const dec) {
mem += cache_size;
// alpha plane
- dec->alpha_plane_ = alpha_size ? (uint8_t*)mem : NULL;
+ dec->alpha_plane_ = alpha_size ? mem : NULL;
mem += alpha_size;
assert(mem <= (uint8_t*)dec->mem_ + dec->mem_size_);
diff --git a/media/libwebp/dec/idec_dec.c b/media/libwebp/dec/idec_dec.c
index 78fb2e718..6777323c7 100644
--- a/media/libwebp/dec/idec_dec.c
+++ b/media/libwebp/dec/idec_dec.c
@@ -15,9 +15,9 @@
#include <string.h>
#include <stdlib.h>
-#include "./alphai_dec.h"
-#include "./webpi_dec.h"
-#include "./vp8i_dec.h"
+#include "../dec/alphai_dec.h"
+#include "../dec/webpi_dec.h"
+#include "../dec/vp8i_dec.h"
#include "../utils/utils.h"
// In append mode, buffer allocations increase as multiples of this value.
@@ -673,12 +673,12 @@ void WebPIDelete(WebPIDecoder* idec) {
//------------------------------------------------------------------------------
// Wrapper toward WebPINewDecoder
-WebPIDecoder* WebPINewRGB(WEBP_CSP_MODE mode, uint8_t* output_buffer,
+WebPIDecoder* WebPINewRGB(WEBP_CSP_MODE csp, uint8_t* output_buffer,
size_t output_buffer_size, int output_stride) {
const int is_external_memory = (output_buffer != NULL) ? 1 : 0;
WebPIDecoder* idec;
- if (mode >= MODE_YUV) return NULL;
+ if (csp >= MODE_YUV) return NULL;
if (is_external_memory == 0) { // Overwrite parameters to sane values.
output_buffer_size = 0;
output_stride = 0;
@@ -689,7 +689,7 @@ WebPIDecoder* WebPINewRGB(WEBP_CSP_MODE mode, uint8_t* output_buffer,
}
idec = WebPINewDecoder(NULL);
if (idec == NULL) return NULL;
- idec->output_.colorspace = mode;
+ idec->output_.colorspace = csp;
idec->output_.is_external_memory = is_external_memory;
idec->output_.u.RGBA.rgba = output_buffer;
idec->output_.u.RGBA.stride = output_stride;
diff --git a/media/libwebp/dec/io_dec.c b/media/libwebp/dec/io_dec.c
index 8bfab8695..0edd9f526 100644
--- a/media/libwebp/dec/io_dec.c
+++ b/media/libwebp/dec/io_dec.c
@@ -14,7 +14,7 @@
#include <assert.h>
#include <stdlib.h>
#include "../dec/vp8i_dec.h"
-#include "./webpi_dec.h"
+#include "../dec/webpi_dec.h"
#include "../dsp/dsp.h"
#include "../dsp/yuv.h"
#include "../utils/utils.h"
@@ -212,7 +212,7 @@ static int EmitAlphaRGBA4444(const VP8Io* const io, WebPDecParams* const p,
int num_rows;
const int start_y = GetAlphaSourceRow(io, &alpha, &num_rows);
uint8_t* const base_rgba = buf->rgba + start_y * buf->stride;
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
uint8_t* alpha_dst = base_rgba;
#else
uint8_t* alpha_dst = base_rgba + 1;
@@ -241,6 +241,7 @@ static int EmitAlphaRGBA4444(const VP8Io* const io, WebPDecParams* const p,
//------------------------------------------------------------------------------
// YUV rescaling (no final RGB conversion needed)
+#if !defined(WEBP_REDUCE_SIZE)
static int Rescale(const uint8_t* src, int src_stride,
int new_lines, WebPRescaler* const wrk) {
int num_lines_out = 0;
@@ -431,7 +432,7 @@ static int ExportAlphaRGBA4444(WebPDecParams* const p, int y_pos,
int max_lines_out) {
const WebPRGBABuffer* const buf = &p->output->u.RGBA;
uint8_t* const base_rgba = buf->rgba + y_pos * buf->stride;
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
uint8_t* alpha_dst = base_rgba;
#else
uint8_t* alpha_dst = base_rgba + 1;
@@ -541,6 +542,8 @@ static int InitRGBRescaler(const VP8Io* const io, WebPDecParams* const p) {
return 1;
}
+#endif // WEBP_REDUCE_SIZE
+
//------------------------------------------------------------------------------
// Default custom functions
@@ -561,10 +564,14 @@ static int CustomSetup(VP8Io* io) {
WebPInitUpsamplers();
}
if (io->use_scaling) {
+#if !defined(WEBP_REDUCE_SIZE)
const int ok = is_rgb ? InitRGBRescaler(io, p) : InitYUVRescaler(io, p);
if (!ok) {
return 0; // memory error
}
+#else
+ return 0; // rescaling support not compiled
+#endif
} else {
if (is_rgb) {
WebPInitSamplers();
@@ -598,9 +605,6 @@ static int CustomSetup(VP8Io* io) {
}
}
- if (is_rgb) {
- VP8YUVInit();
- }
return 1;
}
diff --git a/media/libwebp/dec/quant_dec.c b/media/libwebp/dec/quant_dec.c
index 14e319894..6ecaf1c45 100644
--- a/media/libwebp/dec/quant_dec.c
+++ b/media/libwebp/dec/quant_dec.c
@@ -11,7 +11,7 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./vp8i_dec.h"
+#include "../dec/vp8i_dec.h"
static WEBP_INLINE int clip(int v, int M) {
return v < 0 ? 0 : v > M ? M : v;
diff --git a/media/libwebp/dec/tree_dec.c b/media/libwebp/dec/tree_dec.c
index 9e805f60f..581886025 100644
--- a/media/libwebp/dec/tree_dec.c
+++ b/media/libwebp/dec/tree_dec.c
@@ -11,15 +11,19 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./vp8i_dec.h"
+#include "../dec/vp8i_dec.h"
#include "../utils/bit_reader_inl_utils.h"
+#if !defined(USE_GENERIC_TREE)
#if !defined(__arm__) && !defined(_M_ARM) && !defined(__aarch64__)
// using a table is ~1-2% slower on ARM. Prefer the coded-tree approach then.
-#define USE_GENERIC_TREE
+#define USE_GENERIC_TREE 1 // ALTERNATE_CODE
+#else
+#define USE_GENERIC_TREE 0
#endif
+#endif // USE_GENERIC_TREE
-#ifdef USE_GENERIC_TREE
+#if (USE_GENERIC_TREE == 1)
static const int8_t kYModesIntra4[18] = {
-B_DC_PRED, 1,
-B_TM_PRED, 2,
@@ -317,7 +321,7 @@ static void ParseIntraMode(VP8BitReader* const br,
int x;
for (x = 0; x < 4; ++x) {
const uint8_t* const prob = kBModesProba[top[x]][ymode];
-#ifdef USE_GENERIC_TREE
+#if (USE_GENERIC_TREE == 1)
// Generic tree-parsing
int i = kYModesIntra4[VP8GetBit(br, prob[0])];
while (i > 0) {
@@ -335,7 +339,7 @@ static void ParseIntraMode(VP8BitReader* const br,
(!VP8GetBit(br, prob[6]) ? B_LD_PRED :
(!VP8GetBit(br, prob[7]) ? B_VL_PRED :
(!VP8GetBit(br, prob[8]) ? B_HD_PRED : B_HU_PRED)));
-#endif // USE_GENERIC_TREE
+#endif // USE_GENERIC_TREE
top[x] = ymode;
}
memcpy(modes, top, 4 * sizeof(*top));
@@ -498,7 +502,7 @@ static const uint8_t
// Paragraph 9.9
-static const int kBands[16 + 1] = {
+static const uint8_t kBands[16 + 1] = {
0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7,
0 // extra entry as sentinel
};
diff --git a/media/libwebp/dec/vp8_dec.c b/media/libwebp/dec/vp8_dec.c
index fad8d9cf3..e7958be6b 100644
--- a/media/libwebp/dec/vp8_dec.c
+++ b/media/libwebp/dec/vp8_dec.c
@@ -13,10 +13,10 @@
#include <stdlib.h>
-#include "./alphai_dec.h"
-#include "./vp8i_dec.h"
-#include "./vp8li_dec.h"
-#include "./webpi_dec.h"
+#include "../dec/alphai_dec.h"
+#include "../dec/vp8i_dec.h"
+#include "../dec/vp8li_dec.h"
+#include "../dec/webpi_dec.h"
#include "../utils/bit_reader_inl_utils.h"
#include "../utils/utils.h"
@@ -491,7 +491,7 @@ static int GetCoeffsAlt(VP8BitReader* const br,
return 16;
}
-WEBP_TSAN_IGNORE_FUNCTION static void InitGetCoeffs(void) {
+static WEBP_TSAN_IGNORE_FUNCTION void InitGetCoeffs(void) {
if (GetCoeffs == NULL) {
if (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kSlowSSSE3)) {
GetCoeffs = GetCoeffsAlt;
diff --git a/media/libwebp/dec/vp8_dec.h b/media/libwebp/dec/vp8_dec.h
index b9337bbec..7b4941d65 100644
--- a/media/libwebp/dec/vp8_dec.h
+++ b/media/libwebp/dec/vp8_dec.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_WEBP_DECODE_VP8_H_
-#define WEBP_WEBP_DECODE_VP8_H_
+#ifndef WEBP_DEC_VP8_DEC_H_
+#define WEBP_DEC_VP8_DEC_H_
#include "../webp/decode.h"
@@ -33,7 +33,7 @@ extern "C" {
// /* customize io's functions (setup()/put()/teardown()) if needed. */
//
// VP8Decoder* dec = VP8New();
-// bool ok = VP8Decode(dec);
+// int ok = VP8Decode(dec, &io);
// if (!ok) printf("Error: %s\n", VP8StatusMessage(dec));
// VP8Delete(dec);
// return ok;
@@ -157,24 +157,24 @@ void VP8Delete(VP8Decoder* const dec);
// Miscellaneous VP8/VP8L bitstream probing functions.
// Returns true if the next 3 bytes in data contain the VP8 signature.
-WEBP_EXTERN(int) VP8CheckSignature(const uint8_t* const data, size_t data_size);
+WEBP_EXTERN int VP8CheckSignature(const uint8_t* const data, size_t data_size);
// Validates the VP8 data-header and retrieves basic header information viz
// width and height. Returns 0 in case of formatting error. *width/*height
// can be passed NULL.
-WEBP_EXTERN(int) VP8GetInfo(
+WEBP_EXTERN int VP8GetInfo(
const uint8_t* data,
size_t data_size, // data available so far
size_t chunk_size, // total data size expected in the chunk
int* const width, int* const height);
// Returns true if the next byte(s) in data is a VP8L signature.
-WEBP_EXTERN(int) VP8LCheckSignature(const uint8_t* const data, size_t size);
+WEBP_EXTERN int VP8LCheckSignature(const uint8_t* const data, size_t size);
// Validates the VP8L data-header and retrieves basic header information viz
// width, height and alpha. Returns 0 in case of formatting error.
// width/height/has_alpha can be passed NULL.
-WEBP_EXTERN(int) VP8LGetInfo(
+WEBP_EXTERN int VP8LGetInfo(
const uint8_t* data, size_t data_size, // data available so far
int* const width, int* const height, int* const has_alpha);
@@ -182,4 +182,4 @@ WEBP_EXTERN(int) VP8LGetInfo(
} // extern "C"
#endif
-#endif /* WEBP_WEBP_DECODE_VP8_H_ */
+#endif /* WEBP_DEC_VP8_DEC_H_ */
diff --git a/media/libwebp/dec/vp8i_dec.h b/media/libwebp/dec/vp8i_dec.h
index 555853e8f..d0ef67b91 100644
--- a/media/libwebp/dec/vp8i_dec.h
+++ b/media/libwebp/dec/vp8i_dec.h
@@ -11,12 +11,12 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_DEC_VP8I_H_
-#define WEBP_DEC_VP8I_H_
+#ifndef WEBP_DEC_VP8I_DEC_H_
+#define WEBP_DEC_VP8I_DEC_H_
#include <string.h> // for memcpy()
-#include "./common_dec.h"
-#include "./vp8li_dec.h"
+#include "../dec/common_dec.h"
+#include "../dec/vp8li_dec.h"
#include "../utils/bit_reader_utils.h"
#include "../utils/random_utils.h"
#include "../utils/thread_utils.h"
@@ -30,8 +30,8 @@ extern "C" {
// Various defines and enums
// version numbers
-#define DEC_MAJ_VERSION 0
-#define DEC_MIN_VERSION 6
+#define DEC_MAJ_VERSION 1
+#define DEC_MIN_VERSION 0
#define DEC_REV_VERSION 0
// YUV-cache parameters. Cache is 32-bytes wide (= one cacheline).
@@ -57,7 +57,6 @@ extern "C" {
// '|' = left sample, '-' = top sample, '+' = top-left sample
// 't' = extra top-right sample for 4x4 modes
#define YUV_SIZE (BPS * 17 + BPS * 9)
-#define Y_SIZE (BPS * 17)
#define Y_OFF (BPS * 1 + 8)
#define U_OFF (Y_OFF + BPS * 16 + BPS)
#define V_OFF (U_OFF + 16)
@@ -317,4 +316,4 @@ const uint8_t* VP8DecompressAlphaRows(VP8Decoder* const dec,
} // extern "C"
#endif
-#endif /* WEBP_DEC_VP8I_H_ */
+#endif /* WEBP_DEC_VP8I_DEC_H_ */
diff --git a/media/libwebp/dec/vp8l_dec.c b/media/libwebp/dec/vp8l_dec.c
index ef359a91f..6af696ddc 100644
--- a/media/libwebp/dec/vp8l_dec.c
+++ b/media/libwebp/dec/vp8l_dec.c
@@ -14,8 +14,8 @@
#include <stdlib.h>
-#include "./alphai_dec.h"
-#include "./vp8li_dec.h"
+#include "../dec/alphai_dec.h"
+#include "../dec/vp8li_dec.h"
#include "../dsp/dsp.h"
#include "../dsp/lossless.h"
#include "../dsp/lossless_common.h"
@@ -28,8 +28,8 @@
static const int kCodeLengthLiterals = 16;
static const int kCodeLengthRepeatCode = 16;
-static const int kCodeLengthExtraBits[3] = { 2, 3, 7 };
-static const int kCodeLengthRepeatOffsets[3] = { 3, 3, 11 };
+static const uint8_t kCodeLengthExtraBits[3] = { 2, 3, 7 };
+static const uint8_t kCodeLengthRepeatOffsets[3] = { 3, 3, 11 };
// -----------------------------------------------------------------------------
// Five Huffman codes are used at each meta code:
@@ -86,7 +86,7 @@ static const uint8_t kCodeToPlane[CODE_TO_PLANE_CODES] = {
// All values computed for 8-bit first level lookup with Mark Adler's tool:
// http://www.hdfgroup.org/ftp/lib-external/zlib/zlib-1.2.5/examples/enough.c
#define FIXED_TABLE_SIZE (630 * 3 + 410)
-static const int kTableSize[12] = {
+static const uint16_t kTableSize[12] = {
FIXED_TABLE_SIZE + 654,
FIXED_TABLE_SIZE + 656,
FIXED_TABLE_SIZE + 658,
@@ -485,6 +485,7 @@ static int ReadHuffmanCodes(VP8LDecoder* const dec, int xsize, int ysize,
//------------------------------------------------------------------------------
// Scaling.
+#if !defined(WEBP_REDUCE_SIZE)
static int AllocateAndInitRescaler(VP8LDecoder* const dec, VP8Io* const io) {
const int num_channels = 4;
const int in_width = io->mb_w;
@@ -516,10 +517,13 @@ static int AllocateAndInitRescaler(VP8LDecoder* const dec, VP8Io* const io) {
out_width, out_height, 0, num_channels, work);
return 1;
}
+#endif // WEBP_REDUCE_SIZE
//------------------------------------------------------------------------------
// Export to ARGB
+#if !defined(WEBP_REDUCE_SIZE)
+
// We have special "export" function since we need to convert from BGRA
static int Export(WebPRescaler* const rescaler, WEBP_CSP_MODE colorspace,
int rgba_stride, uint8_t* const rgba) {
@@ -561,6 +565,8 @@ static int EmitRescaledRowsRGBA(const VP8LDecoder* const dec,
return num_lines_out;
}
+#endif // WEBP_REDUCE_SIZE
+
// Emit rows without any scaling.
static int EmitRows(WEBP_CSP_MODE colorspace,
const uint8_t* row_in, int in_stride,
@@ -746,9 +752,12 @@ static void ProcessRows(VP8LDecoder* const dec, int row) {
if (WebPIsRGBMode(output->colorspace)) { // convert to RGBA
const WebPRGBABuffer* const buf = &output->u.RGBA;
uint8_t* const rgba = buf->rgba + dec->last_out_row_ * buf->stride;
- const int num_rows_out = io->use_scaling ?
+ const int num_rows_out =
+#if !defined(WEBP_REDUCE_SIZE)
+ io->use_scaling ?
EmitRescaledRowsRGBA(dec, rows_data, in_stride, io->mb_h,
rgba, buf->stride) :
+#endif // WEBP_REDUCE_SIZE
EmitRows(output->colorspace, rows_data, in_stride,
io->mb_w, io->mb_h, rgba, buf->stride);
// Update 'last_out_row_'.
@@ -1012,12 +1021,13 @@ static int DecodeAlphaData(VP8LDecoder* const dec, uint8_t* const data,
ok = 0;
goto End;
}
- assert(br->eos_ == VP8LIsEndOfStream(br));
+ br->eos_ = VP8LIsEndOfStream(br);
}
// Process the remaining rows corresponding to last row-block.
ExtractPalettedAlphaRows(dec, row > last_row ? last_row : row);
End:
+ br->eos_ = VP8LIsEndOfStream(br);
if (!ok || (br->eos_ && pos < end)) {
ok = 0;
dec->status_ = br->eos_ ? VP8_STATUS_SUSPENDED
@@ -1090,11 +1100,12 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
VP8LFillBitWindow(br);
if (htree_group->use_packed_table) {
code = ReadPackedSymbols(htree_group, br, src);
+ if (VP8LIsEndOfStream(br)) break;
if (code == PACKED_NON_LITERAL_CODE) goto AdvanceByOne;
} else {
code = ReadSymbol(htree_group->htrees[GREEN], br);
}
- if (br->eos_) break; // early out
+ if (VP8LIsEndOfStream(br)) break;
if (code < NUM_LITERAL_CODES) { // Literal
if (htree_group->is_trivial_literal) {
*src = htree_group->literal_arb | (code << 8);
@@ -1104,7 +1115,7 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
VP8LFillBitWindow(br);
blue = ReadSymbol(htree_group->htrees[BLUE], br);
alpha = ReadSymbol(htree_group->htrees[ALPHA], br);
- if (br->eos_) break;
+ if (VP8LIsEndOfStream(br)) break;
*src = ((uint32_t)alpha << 24) | (red << 16) | (code << 8) | blue;
}
AdvanceByOne:
@@ -1132,7 +1143,7 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
VP8LFillBitWindow(br);
dist_code = GetCopyDistance(dist_symbol, br);
dist = PlaneCodeToDistance(width, dist_code);
- if (br->eos_) break;
+ if (VP8LIsEndOfStream(br)) break;
if (src - data < (ptrdiff_t)dist || src_end - src < (ptrdiff_t)length) {
goto Error;
} else {
@@ -1169,9 +1180,9 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
} else { // Not reached
goto Error;
}
- assert(br->eos_ == VP8LIsEndOfStream(br));
}
+ br->eos_ = VP8LIsEndOfStream(br);
if (dec->incremental_ && br->eos_ && src < src_end) {
RestoreState(dec);
} else if (!br->eos_) {
@@ -1630,12 +1641,19 @@ int VP8LDecodeImage(VP8LDecoder* const dec) {
if (!AllocateInternalBuffers32b(dec, io->width)) goto Err;
+#if !defined(WEBP_REDUCE_SIZE)
if (io->use_scaling && !AllocateAndInitRescaler(dec, io)) goto Err;
-
+#else
+ if (io->use_scaling) {
+ dec->status_ = VP8_STATUS_INVALID_PARAM;
+ goto Err;
+ }
+#endif
if (io->use_scaling || WebPIsPremultipliedMode(dec->output_->colorspace)) {
// need the alpha-multiply functions for premultiplied output or rescaling
WebPInitAlphaProcessing();
}
+
if (!WebPIsRGBMode(dec->output_->colorspace)) {
WebPInitConvertARGBToYUV();
if (dec->output_->u.YUVA.a != NULL) WebPInitAlphaProcessing();
diff --git a/media/libwebp/dec/vp8li_dec.h b/media/libwebp/dec/vp8li_dec.h
index 097a9d058..ed89a02a9 100644
--- a/media/libwebp/dec/vp8li_dec.h
+++ b/media/libwebp/dec/vp8li_dec.h
@@ -12,11 +12,11 @@
// Author: Skal (pascal.massimino@gmail.com)
// Vikas Arora(vikaas.arora@gmail.com)
-#ifndef WEBP_DEC_VP8LI_H_
-#define WEBP_DEC_VP8LI_H_
+#ifndef WEBP_DEC_VP8LI_DEC_H_
+#define WEBP_DEC_VP8LI_DEC_H_
#include <string.h> // for memcpy()
-#include "./webpi_dec.h"
+#include "../dec/webpi_dec.h"
#include "../utils/bit_reader_utils.h"
#include "../utils/color_cache_utils.h"
#include "../utils/huffman_utils.h"
@@ -132,4 +132,4 @@ void VP8LDelete(VP8LDecoder* const dec);
} // extern "C"
#endif
-#endif /* WEBP_DEC_VP8LI_H_ */
+#endif /* WEBP_DEC_VP8LI_DEC_H_ */
diff --git a/media/libwebp/dec/webp_dec.c b/media/libwebp/dec/webp_dec.c
index a8e9c2c51..89c264d0a 100644
--- a/media/libwebp/dec/webp_dec.c
+++ b/media/libwebp/dec/webp_dec.c
@@ -13,9 +13,9 @@
#include <stdlib.h>
-#include "./vp8i_dec.h"
-#include "./vp8li_dec.h"
-#include "./webpi_dec.h"
+#include "../dec/vp8i_dec.h"
+#include "../dec/vp8li_dec.h"
+#include "../dec/webpi_dec.h"
#include "../utils/utils.h"
#include "../webp/mux_types.h" // ALPHA_FLAG
@@ -421,7 +421,9 @@ VP8StatusCode WebPParseHeaders(WebPHeaderStructure* const headers) {
NULL, NULL, NULL, &has_animation,
NULL, headers);
if (status == VP8_STATUS_OK || status == VP8_STATUS_NOT_ENOUGH_DATA) {
- // TODO(jzern): full support of animation frames will require API additions.
+ // The WebPDemux API + libwebp can be used to decode individual
+ // uncomposited frames or the WebPAnimDecoder can be used to fully
+ // reconstruct them (see webp/demux.h).
if (has_animation) {
status = VP8_STATUS_UNSUPPORTED_FEATURE;
}
diff --git a/media/libwebp/dec/webpi_dec.h b/media/libwebp/dec/webpi_dec.h
index 696abc195..d0a045e70 100644
--- a/media/libwebp/dec/webpi_dec.h
+++ b/media/libwebp/dec/webpi_dec.h
@@ -11,15 +11,15 @@
//
// Author: somnath@google.com (Somnath Banerjee)
-#ifndef WEBP_DEC_WEBPI_H_
-#define WEBP_DEC_WEBPI_H_
+#ifndef WEBP_DEC_WEBPI_DEC_H_
+#define WEBP_DEC_WEBPI_DEC_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "../utils/rescaler_utils.h"
-#include "./vp8_dec.h"
+#include "../dec/vp8_dec.h"
//------------------------------------------------------------------------------
// WebPDecParams: Decoding output parameters. Transient internal object.
@@ -130,4 +130,4 @@ int WebPAvoidSlowMemory(const WebPDecBuffer* const output,
} // extern "C"
#endif
-#endif /* WEBP_DEC_WEBPI_H_ */
+#endif /* WEBP_DEC_WEBPI_DEC_H_ */
diff --git a/media/libwebp/demux/demux.c b/media/libwebp/demux/demux.c
index 100eab8c0..aec2a0a2d 100644
--- a/media/libwebp/demux/demux.c
+++ b/media/libwebp/demux/demux.c
@@ -23,9 +23,9 @@
#include "../webp/demux.h"
#include "../webp/format_constants.h"
-#define DMUX_MAJ_VERSION 0
-#define DMUX_MIN_VERSION 3
-#define DMUX_REV_VERSION 2
+#define DMUX_MAJ_VERSION 1
+#define DMUX_MIN_VERSION 0
+#define DMUX_REV_VERSION 0
typedef struct {
size_t start_; // start location of the data
@@ -205,12 +205,14 @@ static void SetFrameInfo(size_t start_offset, size_t size,
frame->complete_ = complete;
}
-// Store image bearing chunks to 'frame'.
+// Store image bearing chunks to 'frame'. 'min_size' is an optional size
+// requirement, it may be zero.
static ParseStatus StoreFrame(int frame_num, uint32_t min_size,
MemBuffer* const mem, Frame* const frame) {
int alpha_chunks = 0;
int image_chunks = 0;
- int done = (MemDataSize(mem) < min_size);
+ int done = (MemDataSize(mem) < CHUNK_HEADER_SIZE ||
+ MemDataSize(mem) < min_size);
ParseStatus status = PARSE_OK;
if (done) return PARSE_NEED_MORE_DATA;
@@ -401,9 +403,9 @@ static ParseStatus ParseSingleImage(WebPDemuxer* const dmux) {
frame = (Frame*)WebPSafeCalloc(1ULL, sizeof(*frame));
if (frame == NULL) return PARSE_ERROR;
- // For the single image case we allow parsing of a partial frame, but we need
- // at least CHUNK_HEADER_SIZE for parsing.
- status = StoreFrame(1, CHUNK_HEADER_SIZE, &dmux->mem_, frame);
+ // For the single image case we allow parsing of a partial frame, so no
+ // minimum size is imposed here.
+ status = StoreFrame(1, 0, &dmux->mem_, frame);
if (status != PARSE_ERROR) {
const int has_alpha = !!(dmux->feature_flags_ & ALPHA_FLAG);
// Clear any alpha when the alpha flag is missing.
diff --git a/media/libwebp/dsp/alpha_processing.c b/media/libwebp/dsp/alpha_processing.c
index 4b60e092b..6ff1352ae 100644
--- a/media/libwebp/dsp/alpha_processing.c
+++ b/media/libwebp/dsp/alpha_processing.c
@@ -12,10 +12,13 @@
// Author: Skal (pascal.massimino@gmail.com)
#include <assert.h>
-#include "./dsp.h"
+#include "../dsp/dsp.h"
// Tables can be faster on some platform but incur some extra binary size (~2k).
-// #define USE_TABLES_FOR_ALPHA_MULT
+#if !defined(USE_TABLES_FOR_ALPHA_MULT)
+#define USE_TABLES_FOR_ALPHA_MULT 0 // ALTERNATE_CODE
+#endif
+
// -----------------------------------------------------------------------------
@@ -29,7 +32,7 @@ static uint32_t Mult(uint8_t x, uint32_t mult) {
return v;
}
-#ifdef USE_TABLES_FOR_ALPHA_MULT
+#if (USE_TABLES_FOR_ALPHA_MULT == 1)
static const uint32_t kMultTables[2][256] = {
{ // (255u << MFIX) / alpha
@@ -132,9 +135,9 @@ static WEBP_INLINE uint32_t GetScale(uint32_t a, int inverse) {
return inverse ? (255u << MFIX) / a : a * KINV_255;
}
-#endif // USE_TABLES_FOR_ALPHA_MULT
+#endif // USE_TABLES_FOR_ALPHA_MULT
-void WebPMultARGBRowC(uint32_t* const ptr, int width, int inverse) {
+void WebPMultARGBRow_C(uint32_t* const ptr, int width, int inverse) {
int x;
for (x = 0; x < width; ++x) {
const uint32_t argb = ptr[x];
@@ -154,8 +157,8 @@ void WebPMultARGBRowC(uint32_t* const ptr, int width, int inverse) {
}
}
-void WebPMultRowC(uint8_t* const ptr, const uint8_t* const alpha,
- int width, int inverse) {
+void WebPMultRow_C(uint8_t* const ptr, const uint8_t* const alpha,
+ int width, int inverse) {
int x;
for (x = 0; x < width; ++x) {
const uint32_t a = alpha[x];
@@ -217,8 +220,9 @@ void WebPMultRows(uint8_t* ptr, int stride,
#define PREMULTIPLY(x, m) (((x) * (m) + (1U << 23)) >> 24)
#endif
-static void ApplyAlphaMultiply(uint8_t* rgba, int alpha_first,
- int w, int h, int stride) {
+#if !WEBP_NEON_OMIT_C_CODE
+static void ApplyAlphaMultiply_C(uint8_t* rgba, int alpha_first,
+ int w, int h, int stride) {
while (h-- > 0) {
uint8_t* const rgb = rgba + (alpha_first ? 1 : 0);
const uint8_t* const alpha = rgba + (alpha_first ? 0 : 3);
@@ -235,6 +239,7 @@ static void ApplyAlphaMultiply(uint8_t* rgba, int alpha_first,
rgba += stride;
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
#undef MULTIPLIER
#undef PREMULTIPLY
@@ -254,9 +259,9 @@ static WEBP_INLINE uint8_t multiply(uint8_t x, uint32_t m) {
return (x * m) >> 16;
}
-static WEBP_INLINE void ApplyAlphaMultiply4444(uint8_t* rgba4444,
- int w, int h, int stride,
- int rg_byte_pos /* 0 or 1 */) {
+static WEBP_INLINE void ApplyAlphaMultiply4444_C(uint8_t* rgba4444,
+ int w, int h, int stride,
+ int rg_byte_pos /* 0 or 1 */) {
while (h-- > 0) {
int i;
for (i = 0; i < w; ++i) {
@@ -275,15 +280,16 @@ static WEBP_INLINE void ApplyAlphaMultiply4444(uint8_t* rgba4444,
}
#undef MULTIPLIER
-static void ApplyAlphaMultiply_16b(uint8_t* rgba4444,
- int w, int h, int stride) {
-#ifdef WEBP_SWAP_16BIT_CSP
- ApplyAlphaMultiply4444(rgba4444, w, h, stride, 1);
+static void ApplyAlphaMultiply_16b_C(uint8_t* rgba4444,
+ int w, int h, int stride) {
+#if (WEBP_SWAP_16BIT_CSP == 1)
+ ApplyAlphaMultiply4444_C(rgba4444, w, h, stride, 1);
#else
- ApplyAlphaMultiply4444(rgba4444, w, h, stride, 0);
+ ApplyAlphaMultiply4444_C(rgba4444, w, h, stride, 0);
#endif
}
+#if !WEBP_NEON_OMIT_C_CODE
static int DispatchAlpha_C(const uint8_t* alpha, int alpha_stride,
int width, int height,
uint8_t* dst, int dst_stride) {
@@ -338,6 +344,46 @@ static void ExtractGreen_C(const uint32_t* argb, uint8_t* alpha, int size) {
int i;
for (i = 0; i < size; ++i) alpha[i] = argb[i] >> 8;
}
+#endif // !WEBP_NEON_OMIT_C_CODE
+
+//------------------------------------------------------------------------------
+
+static int HasAlpha8b_C(const uint8_t* src, int length) {
+ while (length-- > 0) if (*src++ != 0xff) return 1;
+ return 0;
+}
+
+static int HasAlpha32b_C(const uint8_t* src, int length) {
+ int x;
+ for (x = 0; length-- > 0; x += 4) if (src[x] != 0xff) return 1;
+ return 0;
+}
+
+//------------------------------------------------------------------------------
+// Simple channel manipulations.
+
+static WEBP_INLINE uint32_t MakeARGB32(int a, int r, int g, int b) {
+ return (((uint32_t)a << 24) | (r << 16) | (g << 8) | b);
+}
+
+#ifdef WORDS_BIGENDIAN
+static void PackARGB_C(const uint8_t* a, const uint8_t* r, const uint8_t* g,
+ const uint8_t* b, int len, uint32_t* out) {
+ int i;
+ for (i = 0; i < len; ++i) {
+ out[i] = MakeARGB32(a[4 * i], r[4 * i], g[4 * i], b[4 * i]);
+ }
+}
+#endif
+
+static void PackRGB_C(const uint8_t* r, const uint8_t* g, const uint8_t* b,
+ int len, int step, uint32_t* out) {
+ int i, offset = 0;
+ for (i = 0; i < len; ++i) {
+ out[i] = MakeARGB32(0xff, r[offset], g[offset], b[offset]);
+ offset += step;
+ }
+}
void (*WebPApplyAlphaMultiply)(uint8_t*, int, int, int, int);
void (*WebPApplyAlphaMultiply4444)(uint8_t*, int, int, int);
@@ -345,6 +391,15 @@ int (*WebPDispatchAlpha)(const uint8_t*, int, int, int, uint8_t*, int);
void (*WebPDispatchAlphaToGreen)(const uint8_t*, int, int, int, uint32_t*, int);
int (*WebPExtractAlpha)(const uint8_t*, int, int, int, uint8_t*, int);
void (*WebPExtractGreen)(const uint32_t* argb, uint8_t* alpha, int size);
+#ifdef WORDS_BIGENDIAN
+void (*WebPPackARGB)(const uint8_t* a, const uint8_t* r, const uint8_t* g,
+ const uint8_t* b, int, uint32_t*);
+#endif
+void (*WebPPackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b,
+ int len, int step, uint32_t* out);
+
+int (*WebPHasAlpha8b)(const uint8_t* src, int length);
+int (*WebPHasAlpha32b)(const uint8_t* src, int length);
//------------------------------------------------------------------------------
// Init function
@@ -354,21 +409,25 @@ extern void WebPInitAlphaProcessingSSE2(void);
extern void WebPInitAlphaProcessingSSE41(void);
extern void WebPInitAlphaProcessingNEON(void);
-static volatile VP8CPUInfo alpha_processing_last_cpuinfo_used =
- (VP8CPUInfo)&alpha_processing_last_cpuinfo_used;
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessing(void) {
- if (alpha_processing_last_cpuinfo_used == VP8GetCPUInfo) return;
-
- WebPMultARGBRow = WebPMultARGBRowC;
- WebPMultRow = WebPMultRowC;
- WebPApplyAlphaMultiply = ApplyAlphaMultiply;
- WebPApplyAlphaMultiply4444 = ApplyAlphaMultiply_16b;
+WEBP_DSP_INIT_FUNC(WebPInitAlphaProcessing) {
+ WebPMultARGBRow = WebPMultARGBRow_C;
+ WebPMultRow = WebPMultRow_C;
+ WebPApplyAlphaMultiply4444 = ApplyAlphaMultiply_16b_C;
+#ifdef WORDS_BIGENDIAN
+ WebPPackARGB = PackARGB_C;
+#endif
+ WebPPackRGB = PackRGB_C;
+#if !WEBP_NEON_OMIT_C_CODE
+ WebPApplyAlphaMultiply = ApplyAlphaMultiply_C;
WebPDispatchAlpha = DispatchAlpha_C;
WebPDispatchAlphaToGreen = DispatchAlphaToGreen_C;
WebPExtractAlpha = ExtractAlpha_C;
WebPExtractGreen = ExtractGreen_C;
+#endif
+
+ WebPHasAlpha8b = HasAlpha8b_C;
+ WebPHasAlpha32b = HasAlpha32b_C;
// If defined, use CPUInfo() to overwrite some pointers with faster versions.
if (VP8GetCPUInfo != NULL) {
@@ -382,16 +441,32 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessing(void) {
#endif
}
#endif
-#if defined(WEBP_USE_NEON)
- if (VP8GetCPUInfo(kNEON)) {
- WebPInitAlphaProcessingNEON();
- }
-#endif
#if defined(WEBP_USE_MIPS_DSP_R2)
if (VP8GetCPUInfo(kMIPSdspR2)) {
WebPInitAlphaProcessingMIPSdspR2();
}
#endif
}
- alpha_processing_last_cpuinfo_used = VP8GetCPUInfo;
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ WebPInitAlphaProcessingNEON();
+ }
+#endif
+
+ assert(WebPMultARGBRow != NULL);
+ assert(WebPMultRow != NULL);
+ assert(WebPApplyAlphaMultiply != NULL);
+ assert(WebPApplyAlphaMultiply4444 != NULL);
+ assert(WebPDispatchAlpha != NULL);
+ assert(WebPDispatchAlphaToGreen != NULL);
+ assert(WebPExtractAlpha != NULL);
+ assert(WebPExtractGreen != NULL);
+#ifdef WORDS_BIGENDIAN
+ assert(WebPPackARGB != NULL);
+#endif
+ assert(WebPPackRGB != NULL);
+ assert(WebPHasAlpha8b != NULL);
+ assert(WebPHasAlpha32b != NULL);
}
diff --git a/media/libwebp/dsp/alpha_processing_sse2.c b/media/libwebp/dsp/alpha_processing_sse2.c
index 83dc559fa..9a3bc4485 100644
--- a/media/libwebp/dsp/alpha_processing_sse2.c
+++ b/media/libwebp/dsp/alpha_processing_sse2.c
@@ -11,16 +11,16 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE2)
#include <emmintrin.h>
//------------------------------------------------------------------------------
-static int DispatchAlpha(const uint8_t* alpha, int alpha_stride,
- int width, int height,
- uint8_t* dst, int dst_stride) {
+static int DispatchAlpha_SSE2(const uint8_t* alpha, int alpha_stride,
+ int width, int height,
+ uint8_t* dst, int dst_stride) {
// alpha_and stores an 'and' operation of all the alpha[] values. The final
// value is not 0xff if any of the alpha[] is not equal to 0xff.
uint32_t alpha_and = 0xff;
@@ -72,9 +72,9 @@ static int DispatchAlpha(const uint8_t* alpha, int alpha_stride,
return (alpha_and != 0xff);
}
-static void DispatchAlphaToGreen(const uint8_t* alpha, int alpha_stride,
- int width, int height,
- uint32_t* dst, int dst_stride) {
+static void DispatchAlphaToGreen_SSE2(const uint8_t* alpha, int alpha_stride,
+ int width, int height,
+ uint32_t* dst, int dst_stride) {
int i, j;
const __m128i zero = _mm_setzero_si128();
const int limit = width & ~15;
@@ -98,9 +98,9 @@ static void DispatchAlphaToGreen(const uint8_t* alpha, int alpha_stride,
}
}
-static int ExtractAlpha(const uint8_t* argb, int argb_stride,
- int width, int height,
- uint8_t* alpha, int alpha_stride) {
+static int ExtractAlpha_SSE2(const uint8_t* argb, int argb_stride,
+ int width, int height,
+ uint8_t* alpha, int alpha_stride) {
// alpha_and stores an 'and' operation of all the alpha[] values. The final
// value is not 0xff if any of the alpha[] is not equal to 0xff.
uint32_t alpha_and = 0xff;
@@ -210,6 +210,61 @@ static void ApplyAlphaMultiply_SSE2(uint8_t* rgba, int alpha_first,
#undef MULTIPLIER
#undef PREMULTIPLY
+//------------------------------------------------------------------------------
+// Alpha detection
+
+static int HasAlpha8b_SSE2(const uint8_t* src, int length) {
+ const __m128i all_0xff = _mm_set1_epi8(0xff);
+ int i = 0;
+ for (; i + 16 <= length; i += 16) {
+ const __m128i v = _mm_loadu_si128((const __m128i*)(src + i));
+ const __m128i bits = _mm_cmpeq_epi8(v, all_0xff);
+ const int mask = _mm_movemask_epi8(bits);
+ if (mask != 0xffff) return 1;
+ }
+ for (; i < length; ++i) if (src[i] != 0xff) return 1;
+ return 0;
+}
+
+static int HasAlpha32b_SSE2(const uint8_t* src, int length) {
+ const __m128i alpha_mask = _mm_set1_epi32(0xff);
+ const __m128i all_0xff = _mm_set1_epi8(0xff);
+ int i = 0;
+ // We don't know if we can access the last 3 bytes after the last alpha
+ // value 'src[4 * length - 4]' (because we don't know if alpha is the first
+ // or the last byte of the quadruplet). Hence the '-3' protection below.
+ length = length * 4 - 3; // size in bytes
+ for (; i + 64 <= length; i += 64) {
+ const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0));
+ const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 16));
+ const __m128i a2 = _mm_loadu_si128((const __m128i*)(src + i + 32));
+ const __m128i a3 = _mm_loadu_si128((const __m128i*)(src + i + 48));
+ const __m128i b0 = _mm_and_si128(a0, alpha_mask);
+ const __m128i b1 = _mm_and_si128(a1, alpha_mask);
+ const __m128i b2 = _mm_and_si128(a2, alpha_mask);
+ const __m128i b3 = _mm_and_si128(a3, alpha_mask);
+ const __m128i c0 = _mm_packs_epi32(b0, b1);
+ const __m128i c1 = _mm_packs_epi32(b2, b3);
+ const __m128i d = _mm_packus_epi16(c0, c1);
+ const __m128i bits = _mm_cmpeq_epi8(d, all_0xff);
+ const int mask = _mm_movemask_epi8(bits);
+ if (mask != 0xffff) return 1;
+ }
+ for (; i + 32 <= length; i += 32) {
+ const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0));
+ const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 16));
+ const __m128i b0 = _mm_and_si128(a0, alpha_mask);
+ const __m128i b1 = _mm_and_si128(a1, alpha_mask);
+ const __m128i c = _mm_packs_epi32(b0, b1);
+ const __m128i d = _mm_packus_epi16(c, c);
+ const __m128i bits = _mm_cmpeq_epi8(d, all_0xff);
+ const int mask = _mm_movemask_epi8(bits);
+ if (mask != 0xffff) return 1;
+ }
+ for (; i <= length; i += 4) if (src[i] != 0xff) return 1;
+ return 0;
+}
+
// -----------------------------------------------------------------------------
// Apply alpha value to rows
@@ -238,7 +293,7 @@ static void MultARGBRow_SSE2(uint32_t* const ptr, int width, int inverse) {
}
}
width -= x;
- if (width > 0) WebPMultARGBRowC(ptr + x, width, inverse);
+ if (width > 0) WebPMultARGBRow_C(ptr + x, width, inverse);
}
static void MultRow_SSE2(uint8_t* const ptr, const uint8_t* const alpha,
@@ -261,7 +316,7 @@ static void MultRow_SSE2(uint8_t* const ptr, const uint8_t* const alpha,
}
}
width -= x;
- if (width > 0) WebPMultRowC(ptr + x, alpha + x, width, inverse);
+ if (width > 0) WebPMultRow_C(ptr + x, alpha + x, width, inverse);
}
//------------------------------------------------------------------------------
@@ -273,9 +328,12 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE2(void) {
WebPMultARGBRow = MultARGBRow_SSE2;
WebPMultRow = MultRow_SSE2;
WebPApplyAlphaMultiply = ApplyAlphaMultiply_SSE2;
- WebPDispatchAlpha = DispatchAlpha;
- WebPDispatchAlphaToGreen = DispatchAlphaToGreen;
- WebPExtractAlpha = ExtractAlpha;
+ WebPDispatchAlpha = DispatchAlpha_SSE2;
+ WebPDispatchAlphaToGreen = DispatchAlphaToGreen_SSE2;
+ WebPExtractAlpha = ExtractAlpha_SSE2;
+
+ WebPHasAlpha8b = HasAlpha8b_SSE2;
+ WebPHasAlpha32b = HasAlpha32b_SSE2;
}
#else // !WEBP_USE_SSE2
diff --git a/media/libwebp/dsp/alpha_processing_sse41.c b/media/libwebp/dsp/alpha_processing_sse41.c
index 986fde94e..e33c1aba4 100644
--- a/media/libwebp/dsp/alpha_processing_sse41.c
+++ b/media/libwebp/dsp/alpha_processing_sse41.c
@@ -11,7 +11,7 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE41)
@@ -19,9 +19,9 @@
//------------------------------------------------------------------------------
-static int ExtractAlpha(const uint8_t* argb, int argb_stride,
- int width, int height,
- uint8_t* alpha, int alpha_stride) {
+static int ExtractAlpha_SSE41(const uint8_t* argb, int argb_stride,
+ int width, int height,
+ uint8_t* alpha, int alpha_stride) {
// alpha_and stores an 'and' operation of all the alpha[] values. The final
// value is not 0xff if any of the alpha[] is not equal to 0xff.
uint32_t alpha_and = 0xff;
@@ -82,7 +82,7 @@ static int ExtractAlpha(const uint8_t* argb, int argb_stride,
extern void WebPInitAlphaProcessingSSE41(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE41(void) {
- WebPExtractAlpha = ExtractAlpha;
+ WebPExtractAlpha = ExtractAlpha_SSE41;
}
#else // !WEBP_USE_SSE41
diff --git a/media/libwebp/dsp/common_sse2.h b/media/libwebp/dsp/common_sse2.h
index 995d7cf4e..e9f1ebff4 100644
--- a/media/libwebp/dsp/common_sse2.h
+++ b/media/libwebp/dsp/common_sse2.h
@@ -128,9 +128,9 @@ static WEBP_INLINE void VP8Transpose_2_4x4_16b(
// Pack the planar buffers
// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ...
-static WEBP_INLINE void VP8PlanarTo24b(__m128i* const in0, __m128i* const in1,
- __m128i* const in2, __m128i* const in3,
- __m128i* const in4, __m128i* const in5) {
+static WEBP_INLINE void VP8PlanarTo24b_SSE2(
+ __m128i* const in0, __m128i* const in1, __m128i* const in2,
+ __m128i* const in3, __m128i* const in4, __m128i* const in5) {
// The input is 6 registers of sixteen 8b but for the sake of explanation,
// let's take 6 registers of four 8b values.
// To pack, we will keep taking one every two 8b integer and move it
@@ -159,10 +159,10 @@ static WEBP_INLINE void VP8PlanarTo24b(__m128i* const in0, __m128i* const in1,
// Convert four packed four-channel buffers like argbargbargbargb... into the
// split channels aaaaa ... rrrr ... gggg .... bbbbb ......
-static WEBP_INLINE void VP8L32bToPlanar(__m128i* const in0,
- __m128i* const in1,
- __m128i* const in2,
- __m128i* const in3) {
+static WEBP_INLINE void VP8L32bToPlanar_SSE2(__m128i* const in0,
+ __m128i* const in1,
+ __m128i* const in2,
+ __m128i* const in3) {
// Column-wise transpose.
const __m128i A0 = _mm_unpacklo_epi8(*in0, *in1);
const __m128i A1 = _mm_unpackhi_epi8(*in0, *in1);
diff --git a/media/libwebp/dsp/common_sse41.h b/media/libwebp/dsp/common_sse41.h
new file mode 100644
index 000000000..2f173c024
--- /dev/null
+++ b/media/libwebp/dsp/common_sse41.h
@@ -0,0 +1,132 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+// -----------------------------------------------------------------------------
+//
+// SSE4 code common to several files.
+//
+// Author: Vincent Rabaud (vrabaud@google.com)
+
+#ifndef WEBP_DSP_COMMON_SSE41_H_
+#define WEBP_DSP_COMMON_SSE41_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(WEBP_USE_SSE41)
+#include <smmintrin.h>
+
+//------------------------------------------------------------------------------
+// Channel mixing.
+// Shuffles the input buffer as A0 0 0 A1 0 0 A2 ...
+#define WEBP_SSE41_SHUFF(OUT, IN0, IN1) \
+ OUT##0 = _mm_shuffle_epi8(*IN0, shuff0); \
+ OUT##1 = _mm_shuffle_epi8(*IN0, shuff1); \
+ OUT##2 = _mm_shuffle_epi8(*IN0, shuff2); \
+ OUT##3 = _mm_shuffle_epi8(*IN1, shuff0); \
+ OUT##4 = _mm_shuffle_epi8(*IN1, shuff1); \
+ OUT##5 = _mm_shuffle_epi8(*IN1, shuff2);
+
+// Pack the planar buffers
+// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
+// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ...
+static WEBP_INLINE void VP8PlanarTo24b_SSE41(
+ __m128i* const in0, __m128i* const in1, __m128i* const in2,
+ __m128i* const in3, __m128i* const in4, __m128i* const in5) {
+ __m128i R0, R1, R2, R3, R4, R5;
+ __m128i G0, G1, G2, G3, G4, G5;
+ __m128i B0, B1, B2, B3, B4, B5;
+
+ // Process R.
+ {
+ const __m128i shuff0 = _mm_set_epi8(
+ 5, -1, -1, 4, -1, -1, 3, -1, -1, 2, -1, -1, 1, -1, -1, 0);
+ const __m128i shuff1 = _mm_set_epi8(
+ -1, 10, -1, -1, 9, -1, -1, 8, -1, -1, 7, -1, -1, 6, -1, -1);
+ const __m128i shuff2 = _mm_set_epi8(
+ -1, -1, 15, -1, -1, 14, -1, -1, 13, -1, -1, 12, -1, -1, 11, -1);
+ WEBP_SSE41_SHUFF(R, in0, in1)
+ }
+
+ // Process G.
+ {
+ // Same as before, just shifted to the left by one and including the right
+ // padding.
+ const __m128i shuff0 = _mm_set_epi8(
+ -1, -1, 4, -1, -1, 3, -1, -1, 2, -1, -1, 1, -1, -1, 0, -1);
+ const __m128i shuff1 = _mm_set_epi8(
+ 10, -1, -1, 9, -1, -1, 8, -1, -1, 7, -1, -1, 6, -1, -1, 5);
+ const __m128i shuff2 = _mm_set_epi8(
+ -1, 15, -1, -1, 14, -1, -1, 13, -1, -1, 12, -1, -1, 11, -1, -1);
+ WEBP_SSE41_SHUFF(G, in2, in3)
+ }
+
+ // Process B.
+ {
+ const __m128i shuff0 = _mm_set_epi8(
+ -1, 4, -1, -1, 3, -1, -1, 2, -1, -1, 1, -1, -1, 0, -1, -1);
+ const __m128i shuff1 = _mm_set_epi8(
+ -1, -1, 9, -1, -1, 8, -1, -1, 7, -1, -1, 6, -1, -1, 5, -1);
+ const __m128i shuff2 = _mm_set_epi8(
+ 15, -1, -1, 14, -1, -1, 13, -1, -1, 12, -1, -1, 11, -1, -1, 10);
+ WEBP_SSE41_SHUFF(B, in4, in5)
+ }
+
+ // OR the different channels.
+ {
+ const __m128i RG0 = _mm_or_si128(R0, G0);
+ const __m128i RG1 = _mm_or_si128(R1, G1);
+ const __m128i RG2 = _mm_or_si128(R2, G2);
+ const __m128i RG3 = _mm_or_si128(R3, G3);
+ const __m128i RG4 = _mm_or_si128(R4, G4);
+ const __m128i RG5 = _mm_or_si128(R5, G5);
+ *in0 = _mm_or_si128(RG0, B0);
+ *in1 = _mm_or_si128(RG1, B1);
+ *in2 = _mm_or_si128(RG2, B2);
+ *in3 = _mm_or_si128(RG3, B3);
+ *in4 = _mm_or_si128(RG4, B4);
+ *in5 = _mm_or_si128(RG5, B5);
+ }
+}
+
+#undef WEBP_SSE41_SHUFF
+
+// Convert four packed four-channel buffers like argbargbargbargb... into the
+// split channels aaaaa ... rrrr ... gggg .... bbbbb ......
+static WEBP_INLINE void VP8L32bToPlanar_SSE41(__m128i* const in0,
+ __m128i* const in1,
+ __m128i* const in2,
+ __m128i* const in3) {
+ // aaaarrrrggggbbbb
+ const __m128i shuff0 =
+ _mm_set_epi8(15, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0);
+ const __m128i A0 = _mm_shuffle_epi8(*in0, shuff0);
+ const __m128i A1 = _mm_shuffle_epi8(*in1, shuff0);
+ const __m128i A2 = _mm_shuffle_epi8(*in2, shuff0);
+ const __m128i A3 = _mm_shuffle_epi8(*in3, shuff0);
+ // A0A1R0R1
+ // G0G1B0B1
+ // A2A3R2R3
+ // G0G1B0B1
+ const __m128i B0 = _mm_unpacklo_epi32(A0, A1);
+ const __m128i B1 = _mm_unpackhi_epi32(A0, A1);
+ const __m128i B2 = _mm_unpacklo_epi32(A2, A3);
+ const __m128i B3 = _mm_unpackhi_epi32(A2, A3);
+ *in3 = _mm_unpacklo_epi64(B0, B2);
+ *in2 = _mm_unpackhi_epi64(B0, B2);
+ *in1 = _mm_unpacklo_epi64(B1, B3);
+ *in0 = _mm_unpackhi_epi64(B1, B3);
+}
+
+#endif // WEBP_USE_SSE41
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // WEBP_DSP_COMMON_SSE41_H_
diff --git a/media/libwebp/dsp/dec.c b/media/libwebp/dsp/dec.c
index 007e985d8..a599d26bc 100644
--- a/media/libwebp/dsp/dec.c
+++ b/media/libwebp/dsp/dec.c
@@ -11,7 +11,9 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include <assert.h>
+
+#include "../dsp/dsp.h"
#include "../dec/vp8i_dec.h"
#include "../utils/utils.h"
@@ -25,7 +27,7 @@ static WEBP_INLINE uint8_t clip_8b(int v) {
// Transforms (Paragraph 14.4)
#define STORE(x, y, v) \
- dst[x + y * BPS] = clip_8b(dst[x + y * BPS] + ((v) >> 3))
+ dst[(x) + (y) * BPS] = clip_8b(dst[(x) + (y) * BPS] + ((v) >> 3))
#define STORE2(y, dc, d, c) do { \
const int DC = (dc); \
@@ -38,7 +40,8 @@ static WEBP_INLINE uint8_t clip_8b(int v) {
#define MUL1(a) ((((a) * 20091) >> 16) + (a))
#define MUL2(a) (((a) * 35468) >> 16)
-static void TransformOne(const int16_t* in, uint8_t* dst) {
+#if !WEBP_NEON_OMIT_C_CODE
+static void TransformOne_C(const int16_t* in, uint8_t* dst) {
int C[4 * 4], *tmp;
int i;
tmp = C;
@@ -78,7 +81,7 @@ static void TransformOne(const int16_t* in, uint8_t* dst) {
}
// Simplified transform when only in[0], in[1] and in[4] are non-zero
-static void TransformAC3(const int16_t* in, uint8_t* dst) {
+static void TransformAC3_C(const int16_t* in, uint8_t* dst) {
const int a = in[0] + 4;
const int c4 = MUL2(in[4]);
const int d4 = MUL1(in[4]);
@@ -93,19 +96,21 @@ static void TransformAC3(const int16_t* in, uint8_t* dst) {
#undef MUL2
#undef STORE2
-static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) {
- TransformOne(in, dst);
+static void TransformTwo_C(const int16_t* in, uint8_t* dst, int do_two) {
+ TransformOne_C(in, dst);
if (do_two) {
- TransformOne(in + 16, dst + 4);
+ TransformOne_C(in + 16, dst + 4);
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void TransformUV(const int16_t* in, uint8_t* dst) {
+static void TransformUV_C(const int16_t* in, uint8_t* dst) {
VP8Transform(in + 0 * 16, dst, 1);
VP8Transform(in + 2 * 16, dst + 4 * BPS, 1);
}
-static void TransformDC(const int16_t* in, uint8_t* dst) {
+#if !WEBP_NEON_OMIT_C_CODE
+static void TransformDC_C(const int16_t* in, uint8_t* dst) {
const int DC = in[0] + 4;
int i, j;
for (j = 0; j < 4; ++j) {
@@ -114,8 +119,9 @@ static void TransformDC(const int16_t* in, uint8_t* dst) {
}
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void TransformDCUV(const int16_t* in, uint8_t* dst) {
+static void TransformDCUV_C(const int16_t* in, uint8_t* dst) {
if (in[0 * 16]) VP8TransformDC(in + 0 * 16, dst);
if (in[1 * 16]) VP8TransformDC(in + 1 * 16, dst + 4);
if (in[2 * 16]) VP8TransformDC(in + 2 * 16, dst + 4 * BPS);
@@ -127,7 +133,8 @@ static void TransformDCUV(const int16_t* in, uint8_t* dst) {
//------------------------------------------------------------------------------
// Paragraph 14.3
-static void TransformWHT(const int16_t* in, int16_t* out) {
+#if !WEBP_NEON_OMIT_C_CODE
+static void TransformWHT_C(const int16_t* in, int16_t* out) {
int tmp[16];
int i;
for (i = 0; i < 4; ++i) {
@@ -153,6 +160,7 @@ static void TransformWHT(const int16_t* in, int16_t* out) {
out += 64;
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
void (*VP8TransformWHT)(const int16_t* in, int16_t* out);
@@ -161,6 +169,7 @@ void (*VP8TransformWHT)(const int16_t* in, int16_t* out);
#define DST(x, y) dst[(x) + (y) * BPS]
+#if !WEBP_NEON_OMIT_C_CODE
static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
const uint8_t* top = dst - BPS;
const uint8_t* const clip0 = VP8kclip1 - top[-1];
@@ -174,21 +183,21 @@ static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
dst += BPS;
}
}
-static void TM4(uint8_t* dst) { TrueMotion(dst, 4); }
-static void TM8uv(uint8_t* dst) { TrueMotion(dst, 8); }
-static void TM16(uint8_t* dst) { TrueMotion(dst, 16); }
+static void TM4_C(uint8_t* dst) { TrueMotion(dst, 4); }
+static void TM8uv_C(uint8_t* dst) { TrueMotion(dst, 8); }
+static void TM16_C(uint8_t* dst) { TrueMotion(dst, 16); }
//------------------------------------------------------------------------------
// 16x16
-static void VE16(uint8_t* dst) { // vertical
+static void VE16_C(uint8_t* dst) { // vertical
int j;
for (j = 0; j < 16; ++j) {
memcpy(dst + j * BPS, dst - BPS, 16);
}
}
-static void HE16(uint8_t* dst) { // horizontal
+static void HE16_C(uint8_t* dst) { // horizontal
int j;
for (j = 16; j > 0; --j) {
memset(dst, dst[-1], 16);
@@ -203,7 +212,7 @@ static WEBP_INLINE void Put16(int v, uint8_t* dst) {
}
}
-static void DC16(uint8_t* dst) { // DC
+static void DC16_C(uint8_t* dst) { // DC
int DC = 16;
int j;
for (j = 0; j < 16; ++j) {
@@ -212,7 +221,7 @@ static void DC16(uint8_t* dst) { // DC
Put16(DC >> 5, dst);
}
-static void DC16NoTop(uint8_t* dst) { // DC with top samples not available
+static void DC16NoTop_C(uint8_t* dst) { // DC with top samples not available
int DC = 8;
int j;
for (j = 0; j < 16; ++j) {
@@ -221,7 +230,7 @@ static void DC16NoTop(uint8_t* dst) { // DC with top samples not available
Put16(DC >> 4, dst);
}
-static void DC16NoLeft(uint8_t* dst) { // DC with left samples not available
+static void DC16NoLeft_C(uint8_t* dst) { // DC with left samples not available
int DC = 8;
int i;
for (i = 0; i < 16; ++i) {
@@ -230,9 +239,10 @@ static void DC16NoLeft(uint8_t* dst) { // DC with left samples not available
Put16(DC >> 4, dst);
}
-static void DC16NoTopLeft(uint8_t* dst) { // DC with no top and left samples
+static void DC16NoTopLeft_C(uint8_t* dst) { // DC with no top and left samples
Put16(0x80, dst);
}
+#endif // !WEBP_NEON_OMIT_C_CODE
VP8PredFunc VP8PredLuma16[NUM_B_DC_MODES];
@@ -242,7 +252,8 @@ VP8PredFunc VP8PredLuma16[NUM_B_DC_MODES];
#define AVG3(a, b, c) ((uint8_t)(((a) + 2 * (b) + (c) + 2) >> 2))
#define AVG2(a, b) (((a) + (b) + 1) >> 1)
-static void VE4(uint8_t* dst) { // vertical
+#if !WEBP_NEON_OMIT_C_CODE
+static void VE4_C(uint8_t* dst) { // vertical
const uint8_t* top = dst - BPS;
const uint8_t vals[4] = {
AVG3(top[-1], top[0], top[1]),
@@ -255,8 +266,9 @@ static void VE4(uint8_t* dst) { // vertical
memcpy(dst + i * BPS, vals, sizeof(vals));
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void HE4(uint8_t* dst) { // horizontal
+static void HE4_C(uint8_t* dst) { // horizontal
const int A = dst[-1 - BPS];
const int B = dst[-1];
const int C = dst[-1 + BPS];
@@ -268,7 +280,8 @@ static void HE4(uint8_t* dst) { // horizontal
WebPUint32ToMem(dst + 3 * BPS, 0x01010101U * AVG3(D, E, E));
}
-static void DC4(uint8_t* dst) { // DC
+#if !WEBP_NEON_OMIT_C_CODE
+static void DC4_C(uint8_t* dst) { // DC
uint32_t dc = 4;
int i;
for (i = 0; i < 4; ++i) dc += dst[i - BPS] + dst[-1 + i * BPS];
@@ -276,7 +289,7 @@ static void DC4(uint8_t* dst) { // DC
for (i = 0; i < 4; ++i) memset(dst + i * BPS, dc, 4);
}
-static void RD4(uint8_t* dst) { // Down-right
+static void RD4_C(uint8_t* dst) { // Down-right
const int I = dst[-1 + 0 * BPS];
const int J = dst[-1 + 1 * BPS];
const int K = dst[-1 + 2 * BPS];
@@ -295,7 +308,7 @@ static void RD4(uint8_t* dst) { // Down-right
DST(3, 0) = AVG3(D, C, B);
}
-static void LD4(uint8_t* dst) { // Down-Left
+static void LD4_C(uint8_t* dst) { // Down-Left
const int A = dst[0 - BPS];
const int B = dst[1 - BPS];
const int C = dst[2 - BPS];
@@ -312,8 +325,9 @@ static void LD4(uint8_t* dst) { // Down-Left
DST(3, 2) = DST(2, 3) = AVG3(F, G, H);
DST(3, 3) = AVG3(G, H, H);
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void VR4(uint8_t* dst) { // Vertical-Right
+static void VR4_C(uint8_t* dst) { // Vertical-Right
const int I = dst[-1 + 0 * BPS];
const int J = dst[-1 + 1 * BPS];
const int K = dst[-1 + 2 * BPS];
@@ -335,7 +349,7 @@ static void VR4(uint8_t* dst) { // Vertical-Right
DST(3, 1) = AVG3(B, C, D);
}
-static void VL4(uint8_t* dst) { // Vertical-Left
+static void VL4_C(uint8_t* dst) { // Vertical-Left
const int A = dst[0 - BPS];
const int B = dst[1 - BPS];
const int C = dst[2 - BPS];
@@ -357,7 +371,7 @@ static void VL4(uint8_t* dst) { // Vertical-Left
DST(3, 3) = AVG3(F, G, H);
}
-static void HU4(uint8_t* dst) { // Horizontal-Up
+static void HU4_C(uint8_t* dst) { // Horizontal-Up
const int I = dst[-1 + 0 * BPS];
const int J = dst[-1 + 1 * BPS];
const int K = dst[-1 + 2 * BPS];
@@ -372,7 +386,7 @@ static void HU4(uint8_t* dst) { // Horizontal-Up
DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L;
}
-static void HD4(uint8_t* dst) { // Horizontal-Down
+static void HD4_C(uint8_t* dst) { // Horizontal-Down
const int I = dst[-1 + 0 * BPS];
const int J = dst[-1 + 1 * BPS];
const int K = dst[-1 + 2 * BPS];
@@ -404,14 +418,15 @@ VP8PredFunc VP8PredLuma4[NUM_BMODES];
//------------------------------------------------------------------------------
// Chroma
-static void VE8uv(uint8_t* dst) { // vertical
+#if !WEBP_NEON_OMIT_C_CODE
+static void VE8uv_C(uint8_t* dst) { // vertical
int j;
for (j = 0; j < 8; ++j) {
memcpy(dst + j * BPS, dst - BPS, 8);
}
}
-static void HE8uv(uint8_t* dst) { // horizontal
+static void HE8uv_C(uint8_t* dst) { // horizontal
int j;
for (j = 0; j < 8; ++j) {
memset(dst, dst[-1], 8);
@@ -427,7 +442,7 @@ static WEBP_INLINE void Put8x8uv(uint8_t value, uint8_t* dst) {
}
}
-static void DC8uv(uint8_t* dst) { // DC
+static void DC8uv_C(uint8_t* dst) { // DC
int dc0 = 8;
int i;
for (i = 0; i < 8; ++i) {
@@ -436,7 +451,7 @@ static void DC8uv(uint8_t* dst) { // DC
Put8x8uv(dc0 >> 4, dst);
}
-static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples
+static void DC8uvNoLeft_C(uint8_t* dst) { // DC with no left samples
int dc0 = 4;
int i;
for (i = 0; i < 8; ++i) {
@@ -445,7 +460,7 @@ static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples
Put8x8uv(dc0 >> 3, dst);
}
-static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples
+static void DC8uvNoTop_C(uint8_t* dst) { // DC with no top samples
int dc0 = 4;
int i;
for (i = 0; i < 8; ++i) {
@@ -454,17 +469,19 @@ static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples
Put8x8uv(dc0 >> 3, dst);
}
-static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing
+static void DC8uvNoTopLeft_C(uint8_t* dst) { // DC with nothing
Put8x8uv(0x80, dst);
}
+#endif // !WEBP_NEON_OMIT_C_CODE
VP8PredFunc VP8PredChroma8[NUM_B_DC_MODES];
//------------------------------------------------------------------------------
// Edge filtering functions
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
// 4 pixels in, 2 pixels out
-static WEBP_INLINE void do_filter2(uint8_t* p, int step) {
+static WEBP_INLINE void DoFilter2_C(uint8_t* p, int step) {
const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1]; // in [-893,892]
const int a1 = VP8ksclip2[(a + 4) >> 3]; // in [-16,15]
@@ -474,7 +491,7 @@ static WEBP_INLINE void do_filter2(uint8_t* p, int step) {
}
// 4 pixels in, 4 pixels out
-static WEBP_INLINE void do_filter4(uint8_t* p, int step) {
+static WEBP_INLINE void DoFilter4_C(uint8_t* p, int step) {
const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
const int a = 3 * (q0 - p0);
const int a1 = VP8ksclip2[(a + 4) >> 3];
@@ -487,7 +504,7 @@ static WEBP_INLINE void do_filter4(uint8_t* p, int step) {
}
// 6 pixels in, 6 pixels out
-static WEBP_INLINE void do_filter6(uint8_t* p, int step) {
+static WEBP_INLINE void DoFilter6_C(uint8_t* p, int step) {
const int p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step];
const int q0 = p[0], q1 = p[step], q2 = p[2*step];
const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]];
@@ -503,18 +520,22 @@ static WEBP_INLINE void do_filter6(uint8_t* p, int step) {
p[ 2*step] = VP8kclip1[q2 - a3];
}
-static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) {
+static WEBP_INLINE int Hev(const uint8_t* p, int step, int thresh) {
const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
return (VP8kabs0[p1 - p0] > thresh) || (VP8kabs0[q1 - q0] > thresh);
}
+#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
-static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int t) {
+#if !WEBP_NEON_OMIT_C_CODE
+static WEBP_INLINE int NeedsFilter_C(const uint8_t* p, int step, int t) {
const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
return ((4 * VP8kabs0[p0 - q0] + VP8kabs0[p1 - q1]) <= t);
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static WEBP_INLINE int needs_filter2(const uint8_t* p,
- int step, int t, int it) {
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+static WEBP_INLINE int NeedsFilter2_C(const uint8_t* p,
+ int step, int t, int it) {
const int p3 = p[-4 * step], p2 = p[-3 * step], p1 = p[-2 * step];
const int p0 = p[-step], q0 = p[0];
const int q1 = p[step], q2 = p[2 * step], q3 = p[3 * step];
@@ -523,140 +544,159 @@ static WEBP_INLINE int needs_filter2(const uint8_t* p,
VP8kabs0[p1 - p0] <= it && VP8kabs0[q3 - q2] <= it &&
VP8kabs0[q2 - q1] <= it && VP8kabs0[q1 - q0] <= it;
}
+#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
//------------------------------------------------------------------------------
// Simple In-loop filtering (Paragraph 15.2)
-static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
+#if !WEBP_NEON_OMIT_C_CODE
+static void SimpleVFilter16_C(uint8_t* p, int stride, int thresh) {
int i;
const int thresh2 = 2 * thresh + 1;
for (i = 0; i < 16; ++i) {
- if (needs_filter(p + i, stride, thresh2)) {
- do_filter2(p + i, stride);
+ if (NeedsFilter_C(p + i, stride, thresh2)) {
+ DoFilter2_C(p + i, stride);
}
}
}
-static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16_C(uint8_t* p, int stride, int thresh) {
int i;
const int thresh2 = 2 * thresh + 1;
for (i = 0; i < 16; ++i) {
- if (needs_filter(p + i * stride, 1, thresh2)) {
- do_filter2(p + i * stride, 1);
+ if (NeedsFilter_C(p + i * stride, 1, thresh2)) {
+ DoFilter2_C(p + i * stride, 1);
}
}
}
-static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) {
+static void SimpleVFilter16i_C(uint8_t* p, int stride, int thresh) {
int k;
for (k = 3; k > 0; --k) {
p += 4 * stride;
- SimpleVFilter16(p, stride, thresh);
+ SimpleVFilter16_C(p, stride, thresh);
}
}
-static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16i_C(uint8_t* p, int stride, int thresh) {
int k;
for (k = 3; k > 0; --k) {
p += 4;
- SimpleHFilter16(p, stride, thresh);
+ SimpleHFilter16_C(p, stride, thresh);
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
//------------------------------------------------------------------------------
// Complex In-loop filtering (Paragraph 15.3)
-static WEBP_INLINE void FilterLoop26(uint8_t* p,
- int hstride, int vstride, int size,
- int thresh, int ithresh, int hev_thresh) {
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+static WEBP_INLINE void FilterLoop26_C(uint8_t* p,
+ int hstride, int vstride, int size,
+ int thresh, int ithresh,
+ int hev_thresh) {
const int thresh2 = 2 * thresh + 1;
while (size-- > 0) {
- if (needs_filter2(p, hstride, thresh2, ithresh)) {
- if (hev(p, hstride, hev_thresh)) {
- do_filter2(p, hstride);
+ if (NeedsFilter2_C(p, hstride, thresh2, ithresh)) {
+ if (Hev(p, hstride, hev_thresh)) {
+ DoFilter2_C(p, hstride);
} else {
- do_filter6(p, hstride);
+ DoFilter6_C(p, hstride);
}
}
p += vstride;
}
}
-static WEBP_INLINE void FilterLoop24(uint8_t* p,
- int hstride, int vstride, int size,
- int thresh, int ithresh, int hev_thresh) {
+static WEBP_INLINE void FilterLoop24_C(uint8_t* p,
+ int hstride, int vstride, int size,
+ int thresh, int ithresh,
+ int hev_thresh) {
const int thresh2 = 2 * thresh + 1;
while (size-- > 0) {
- if (needs_filter2(p, hstride, thresh2, ithresh)) {
- if (hev(p, hstride, hev_thresh)) {
- do_filter2(p, hstride);
+ if (NeedsFilter2_C(p, hstride, thresh2, ithresh)) {
+ if (Hev(p, hstride, hev_thresh)) {
+ DoFilter2_C(p, hstride);
} else {
- do_filter4(p, hstride);
+ DoFilter4_C(p, hstride);
}
}
p += vstride;
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+#if !WEBP_NEON_OMIT_C_CODE
// on macroblock edges
-static void VFilter16(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
- FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh);
+static void VFilter16_C(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
+ FilterLoop26_C(p, stride, 1, 16, thresh, ithresh, hev_thresh);
}
-static void HFilter16(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
- FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh);
+static void HFilter16_C(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
+ FilterLoop26_C(p, 1, stride, 16, thresh, ithresh, hev_thresh);
}
// on three inner edges
-static void VFilter16i(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter16i_C(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
int k;
for (k = 3; k > 0; --k) {
p += 4 * stride;
- FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh);
+ FilterLoop24_C(p, stride, 1, 16, thresh, ithresh, hev_thresh);
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void HFilter16i(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+static void HFilter16i_C(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
int k;
for (k = 3; k > 0; --k) {
p += 4;
- FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh);
+ FilterLoop24_C(p, 1, stride, 16, thresh, ithresh, hev_thresh);
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+#if !WEBP_NEON_OMIT_C_CODE
// 8-pixels wide variant, for chroma filtering
-static void VFilter8(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
- FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh);
- FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh);
+static void VFilter8_C(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
+ FilterLoop26_C(u, stride, 1, 8, thresh, ithresh, hev_thresh);
+ FilterLoop26_C(v, stride, 1, 8, thresh, ithresh, hev_thresh);
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void HFilter8(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
- FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh);
- FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh);
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+static void HFilter8_C(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
+ FilterLoop26_C(u, 1, stride, 8, thresh, ithresh, hev_thresh);
+ FilterLoop26_C(v, 1, stride, 8, thresh, ithresh, hev_thresh);
}
+#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
-static void VFilter8i(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
- FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh);
- FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh);
+#if !WEBP_NEON_OMIT_C_CODE
+static void VFilter8i_C(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
+ FilterLoop24_C(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh);
+ FilterLoop24_C(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh);
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
- FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
- FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+static void HFilter8i_C(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
+ FilterLoop24_C(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
+ FilterLoop24_C(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
}
+#endif // !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
//------------------------------------------------------------------------------
-static void DitherCombine8x8(const uint8_t* dither, uint8_t* dst,
- int dst_stride) {
+static void DitherCombine8x8_C(const uint8_t* dither, uint8_t* dst,
+ int dst_stride) {
int i, j;
for (j = 0; j < 8; ++j) {
for (i = 0; i < 8; ++i) {
@@ -701,62 +741,69 @@ extern void VP8DspInitMIPS32(void);
extern void VP8DspInitMIPSdspR2(void);
extern void VP8DspInitMSA(void);
-static volatile VP8CPUInfo dec_last_cpuinfo_used =
- (VP8CPUInfo)&dec_last_cpuinfo_used;
+WEBP_DSP_INIT_FUNC(VP8DspInit) {
+ VP8InitClipTables();
-WEBP_TSAN_IGNORE_FUNCTION void VP8DspInit(void) {
- if (dec_last_cpuinfo_used == VP8GetCPUInfo) return;
+#if !WEBP_NEON_OMIT_C_CODE
+ VP8TransformWHT = TransformWHT_C;
+ VP8Transform = TransformTwo_C;
+ VP8TransformDC = TransformDC_C;
+ VP8TransformAC3 = TransformAC3_C;
+#endif
+ VP8TransformUV = TransformUV_C;
+ VP8TransformDCUV = TransformDCUV_C;
+
+#if !WEBP_NEON_OMIT_C_CODE
+ VP8VFilter16 = VFilter16_C;
+ VP8VFilter16i = VFilter16i_C;
+ VP8HFilter16 = HFilter16_C;
+ VP8VFilter8 = VFilter8_C;
+ VP8VFilter8i = VFilter8i_C;
+ VP8SimpleVFilter16 = SimpleVFilter16_C;
+ VP8SimpleHFilter16 = SimpleHFilter16_C;
+ VP8SimpleVFilter16i = SimpleVFilter16i_C;
+ VP8SimpleHFilter16i = SimpleHFilter16i_C;
+#endif
- VP8InitClipTables();
+#if !WEBP_NEON_OMIT_C_CODE || WEBP_NEON_WORK_AROUND_GCC
+ VP8HFilter16i = HFilter16i_C;
+ VP8HFilter8 = HFilter8_C;
+ VP8HFilter8i = HFilter8i_C;
+#endif
+
+#if !WEBP_NEON_OMIT_C_CODE
+ VP8PredLuma4[0] = DC4_C;
+ VP8PredLuma4[1] = TM4_C;
+ VP8PredLuma4[2] = VE4_C;
+ VP8PredLuma4[4] = RD4_C;
+ VP8PredLuma4[6] = LD4_C;
+#endif
+
+ VP8PredLuma4[3] = HE4_C;
+ VP8PredLuma4[5] = VR4_C;
+ VP8PredLuma4[7] = VL4_C;
+ VP8PredLuma4[8] = HD4_C;
+ VP8PredLuma4[9] = HU4_C;
+
+#if !WEBP_NEON_OMIT_C_CODE
+ VP8PredLuma16[0] = DC16_C;
+ VP8PredLuma16[1] = TM16_C;
+ VP8PredLuma16[2] = VE16_C;
+ VP8PredLuma16[3] = HE16_C;
+ VP8PredLuma16[4] = DC16NoTop_C;
+ VP8PredLuma16[5] = DC16NoLeft_C;
+ VP8PredLuma16[6] = DC16NoTopLeft_C;
+
+ VP8PredChroma8[0] = DC8uv_C;
+ VP8PredChroma8[1] = TM8uv_C;
+ VP8PredChroma8[2] = VE8uv_C;
+ VP8PredChroma8[3] = HE8uv_C;
+ VP8PredChroma8[4] = DC8uvNoTop_C;
+ VP8PredChroma8[5] = DC8uvNoLeft_C;
+ VP8PredChroma8[6] = DC8uvNoTopLeft_C;
+#endif
- VP8TransformWHT = TransformWHT;
- VP8Transform = TransformTwo;
- VP8TransformUV = TransformUV;
- VP8TransformDC = TransformDC;
- VP8TransformDCUV = TransformDCUV;
- VP8TransformAC3 = TransformAC3;
-
- VP8VFilter16 = VFilter16;
- VP8HFilter16 = HFilter16;
- VP8VFilter8 = VFilter8;
- VP8HFilter8 = HFilter8;
- VP8VFilter16i = VFilter16i;
- VP8HFilter16i = HFilter16i;
- VP8VFilter8i = VFilter8i;
- VP8HFilter8i = HFilter8i;
- VP8SimpleVFilter16 = SimpleVFilter16;
- VP8SimpleHFilter16 = SimpleHFilter16;
- VP8SimpleVFilter16i = SimpleVFilter16i;
- VP8SimpleHFilter16i = SimpleHFilter16i;
-
- VP8PredLuma4[0] = DC4;
- VP8PredLuma4[1] = TM4;
- VP8PredLuma4[2] = VE4;
- VP8PredLuma4[3] = HE4;
- VP8PredLuma4[4] = RD4;
- VP8PredLuma4[5] = VR4;
- VP8PredLuma4[6] = LD4;
- VP8PredLuma4[7] = VL4;
- VP8PredLuma4[8] = HD4;
- VP8PredLuma4[9] = HU4;
-
- VP8PredLuma16[0] = DC16;
- VP8PredLuma16[1] = TM16;
- VP8PredLuma16[2] = VE16;
- VP8PredLuma16[3] = HE16;
- VP8PredLuma16[4] = DC16NoTop;
- VP8PredLuma16[5] = DC16NoLeft;
- VP8PredLuma16[6] = DC16NoTopLeft;
-
- VP8PredChroma8[0] = DC8uv;
- VP8PredChroma8[1] = TM8uv;
- VP8PredChroma8[2] = VE8uv;
- VP8PredChroma8[3] = HE8uv;
- VP8PredChroma8[4] = DC8uvNoTop;
- VP8PredChroma8[5] = DC8uvNoLeft;
- VP8PredChroma8[6] = DC8uvNoTopLeft;
-
- VP8DitherCombine8x8 = DitherCombine8x8;
+ VP8DitherCombine8x8 = DitherCombine8x8_C;
// If defined, use CPUInfo() to overwrite some pointers with faster versions.
if (VP8GetCPUInfo != NULL) {
@@ -770,11 +817,6 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInit(void) {
#endif
}
#endif
-#if defined(WEBP_USE_NEON)
- if (VP8GetCPUInfo(kNEON)) {
- VP8DspInitNEON();
- }
-#endif
#if defined(WEBP_USE_MIPS32)
if (VP8GetCPUInfo(kMIPS32)) {
VP8DspInitMIPS32();
@@ -791,5 +833,55 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInit(void) {
}
#endif
}
- dec_last_cpuinfo_used = VP8GetCPUInfo;
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ VP8DspInitNEON();
+ }
+#endif
+
+ assert(VP8TransformWHT != NULL);
+ assert(VP8Transform != NULL);
+ assert(VP8TransformDC != NULL);
+ assert(VP8TransformAC3 != NULL);
+ assert(VP8TransformUV != NULL);
+ assert(VP8TransformDCUV != NULL);
+ assert(VP8VFilter16 != NULL);
+ assert(VP8HFilter16 != NULL);
+ assert(VP8VFilter8 != NULL);
+ assert(VP8HFilter8 != NULL);
+ assert(VP8VFilter16i != NULL);
+ assert(VP8HFilter16i != NULL);
+ assert(VP8VFilter8i != NULL);
+ assert(VP8HFilter8i != NULL);
+ assert(VP8SimpleVFilter16 != NULL);
+ assert(VP8SimpleHFilter16 != NULL);
+ assert(VP8SimpleVFilter16i != NULL);
+ assert(VP8SimpleHFilter16i != NULL);
+ assert(VP8PredLuma4[0] != NULL);
+ assert(VP8PredLuma4[1] != NULL);
+ assert(VP8PredLuma4[2] != NULL);
+ assert(VP8PredLuma4[3] != NULL);
+ assert(VP8PredLuma4[4] != NULL);
+ assert(VP8PredLuma4[5] != NULL);
+ assert(VP8PredLuma4[6] != NULL);
+ assert(VP8PredLuma4[7] != NULL);
+ assert(VP8PredLuma4[8] != NULL);
+ assert(VP8PredLuma4[9] != NULL);
+ assert(VP8PredLuma16[0] != NULL);
+ assert(VP8PredLuma16[1] != NULL);
+ assert(VP8PredLuma16[2] != NULL);
+ assert(VP8PredLuma16[3] != NULL);
+ assert(VP8PredLuma16[4] != NULL);
+ assert(VP8PredLuma16[5] != NULL);
+ assert(VP8PredLuma16[6] != NULL);
+ assert(VP8PredChroma8[0] != NULL);
+ assert(VP8PredChroma8[1] != NULL);
+ assert(VP8PredChroma8[2] != NULL);
+ assert(VP8PredChroma8[3] != NULL);
+ assert(VP8PredChroma8[4] != NULL);
+ assert(VP8PredChroma8[5] != NULL);
+ assert(VP8PredChroma8[6] != NULL);
+ assert(VP8DitherCombine8x8 != NULL);
}
diff --git a/media/libwebp/dsp/dec_clip_tables.c b/media/libwebp/dsp/dec_clip_tables.c
index 74ba34c0b..9c86011d2 100644
--- a/media/libwebp/dsp/dec_clip_tables.c
+++ b/media/libwebp/dsp/dec_clip_tables.c
@@ -11,11 +11,14 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
-#define USE_STATIC_TABLES // undefine to have run-time table initialization
+// define to 0 to have run-time table initialization
+#if !defined(USE_STATIC_TABLES)
+#define USE_STATIC_TABLES 1 // ALTERNATE_CODE
+#endif
-#ifdef USE_STATIC_TABLES
+#if (USE_STATIC_TABLES == 1)
static const uint8_t abs0[255 + 255 + 1] = {
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4,
@@ -337,7 +340,7 @@ static uint8_t clip1[255 + 511 + 1];
// and make sure it's set to true _last_ (so as to be thread-safe)
static volatile int tables_ok = 0;
-#endif
+#endif // USE_STATIC_TABLES
const int8_t* const VP8ksclip1 = (const int8_t*)&sclip1[1020];
const int8_t* const VP8ksclip2 = (const int8_t*)&sclip2[112];
@@ -345,7 +348,7 @@ const uint8_t* const VP8kclip1 = &clip1[255];
const uint8_t* const VP8kabs0 = &abs0[255];
WEBP_TSAN_IGNORE_FUNCTION void VP8InitClipTables(void) {
-#if !defined(USE_STATIC_TABLES)
+#if (USE_STATIC_TABLES == 0)
int i;
if (!tables_ok) {
for (i = -255; i <= 255; ++i) {
diff --git a/media/libwebp/dsp/dec_neon.c b/media/libwebp/dsp/dec_neon.c
index 34796cf4a..e8341327e 100644
--- a/media/libwebp/dsp/dec_neon.c
+++ b/media/libwebp/dsp/dec_neon.c
@@ -12,43 +12,23 @@
// Authors: Somnath Banerjee (somnath@google.com)
// Johann Koenig (johannkoenig@google.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_NEON)
-#include "./neon.h"
+#include "../dsp/neon.h"
#include "../dec/vp8i_dec.h"
//------------------------------------------------------------------------------
// NxM Loading functions
-// Load/Store vertical edge
-#define LOAD8x4(c1, c2, c3, c4, b1, b2, stride) \
- "vld4.8 {" #c1 "[0]," #c2 "[0]," #c3 "[0]," #c4 "[0]}," #b1 "," #stride "\n" \
- "vld4.8 {" #c1 "[1]," #c2 "[1]," #c3 "[1]," #c4 "[1]}," #b2 "," #stride "\n" \
- "vld4.8 {" #c1 "[2]," #c2 "[2]," #c3 "[2]," #c4 "[2]}," #b1 "," #stride "\n" \
- "vld4.8 {" #c1 "[3]," #c2 "[3]," #c3 "[3]," #c4 "[3]}," #b2 "," #stride "\n" \
- "vld4.8 {" #c1 "[4]," #c2 "[4]," #c3 "[4]," #c4 "[4]}," #b1 "," #stride "\n" \
- "vld4.8 {" #c1 "[5]," #c2 "[5]," #c3 "[5]," #c4 "[5]}," #b2 "," #stride "\n" \
- "vld4.8 {" #c1 "[6]," #c2 "[6]," #c3 "[6]," #c4 "[6]}," #b1 "," #stride "\n" \
- "vld4.8 {" #c1 "[7]," #c2 "[7]," #c3 "[7]," #c4 "[7]}," #b2 "," #stride "\n"
-
-#define STORE8x2(c1, c2, p, stride) \
- "vst2.8 {" #c1 "[0], " #c2 "[0]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[1], " #c2 "[1]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[2], " #c2 "[2]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[3], " #c2 "[3]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[4], " #c2 "[4]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[5], " #c2 "[5]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[6], " #c2 "[6]}," #p "," #stride " \n" \
- "vst2.8 {" #c1 "[7], " #c2 "[7]}," #p "," #stride " \n"
-
#if !defined(WORK_AROUND_GCC)
// This intrinsics version makes gcc-4.6.3 crash during Load4x??() compilation
// (register alloc, probably). The variants somewhat mitigate the problem, but
// not quite. HFilter16i() remains problematic.
-static WEBP_INLINE uint8x8x4_t Load4x8(const uint8_t* const src, int stride) {
+static WEBP_INLINE uint8x8x4_t Load4x8_NEON(const uint8_t* const src,
+ int stride) {
const uint8x8_t zero = vdup_n_u8(0);
uint8x8x4_t out;
INIT_VECTOR4(out, zero, zero, zero, zero);
@@ -63,13 +43,15 @@ static WEBP_INLINE uint8x8x4_t Load4x8(const uint8_t* const src, int stride) {
return out;
}
-static WEBP_INLINE void Load4x16(const uint8_t* const src, int stride,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1) {
+static WEBP_INLINE void Load4x16_NEON(const uint8_t* const src, int stride,
+ uint8x16_t* const p1,
+ uint8x16_t* const p0,
+ uint8x16_t* const q0,
+ uint8x16_t* const q1) {
// row0 = p1[0..7]|p0[0..7]|q0[0..7]|q1[0..7]
// row8 = p1[8..15]|p0[8..15]|q0[8..15]|q1[8..15]
- const uint8x8x4_t row0 = Load4x8(src - 2 + 0 * stride, stride);
- const uint8x8x4_t row8 = Load4x8(src - 2 + 8 * stride, stride);
+ const uint8x8x4_t row0 = Load4x8_NEON(src - 2 + 0 * stride, stride);
+ const uint8x8x4_t row8 = Load4x8_NEON(src - 2 + 8 * stride, stride);
*p1 = vcombine_u8(row0.val[0], row8.val[0]);
*p0 = vcombine_u8(row0.val[1], row8.val[1]);
*q0 = vcombine_u8(row0.val[2], row8.val[2]);
@@ -83,9 +65,11 @@ static WEBP_INLINE void Load4x16(const uint8_t* const src, int stride,
src += stride; \
} while (0)
-static WEBP_INLINE void Load4x16(const uint8_t* src, int stride,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1) {
+static WEBP_INLINE void Load4x16_NEON(const uint8_t* src, int stride,
+ uint8x16_t* const p1,
+ uint8x16_t* const p0,
+ uint8x16_t* const q0,
+ uint8x16_t* const q1) {
const uint32x4_t zero = vdupq_n_u32(0);
uint32x4x4_t in;
INIT_VECTOR4(in, zero, zero, zero, zero);
@@ -126,40 +110,40 @@ static WEBP_INLINE void Load4x16(const uint8_t* src, int stride,
#endif // !WORK_AROUND_GCC
-static WEBP_INLINE void Load8x16(const uint8_t* const src, int stride,
- uint8x16_t* const p3, uint8x16_t* const p2,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1,
- uint8x16_t* const q2, uint8x16_t* const q3) {
- Load4x16(src - 2, stride, p3, p2, p1, p0);
- Load4x16(src + 2, stride, q0, q1, q2, q3);
+static WEBP_INLINE void Load8x16_NEON(
+ const uint8_t* const src, int stride,
+ uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1,
+ uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1,
+ uint8x16_t* const q2, uint8x16_t* const q3) {
+ Load4x16_NEON(src - 2, stride, p3, p2, p1, p0);
+ Load4x16_NEON(src + 2, stride, q0, q1, q2, q3);
}
-static WEBP_INLINE void Load16x4(const uint8_t* const src, int stride,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1) {
+static WEBP_INLINE void Load16x4_NEON(const uint8_t* const src, int stride,
+ uint8x16_t* const p1,
+ uint8x16_t* const p0,
+ uint8x16_t* const q0,
+ uint8x16_t* const q1) {
*p1 = vld1q_u8(src - 2 * stride);
*p0 = vld1q_u8(src - 1 * stride);
*q0 = vld1q_u8(src + 0 * stride);
*q1 = vld1q_u8(src + 1 * stride);
}
-static WEBP_INLINE void Load16x8(const uint8_t* const src, int stride,
- uint8x16_t* const p3, uint8x16_t* const p2,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1,
- uint8x16_t* const q2, uint8x16_t* const q3) {
- Load16x4(src - 2 * stride, stride, p3, p2, p1, p0);
- Load16x4(src + 2 * stride, stride, q0, q1, q2, q3);
+static WEBP_INLINE void Load16x8_NEON(
+ const uint8_t* const src, int stride,
+ uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1,
+ uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1,
+ uint8x16_t* const q2, uint8x16_t* const q3) {
+ Load16x4_NEON(src - 2 * stride, stride, p3, p2, p1, p0);
+ Load16x4_NEON(src + 2 * stride, stride, q0, q1, q2, q3);
}
-static WEBP_INLINE void Load8x8x2(const uint8_t* const u,
- const uint8_t* const v,
- int stride,
- uint8x16_t* const p3, uint8x16_t* const p2,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1,
- uint8x16_t* const q2, uint8x16_t* const q3) {
+static WEBP_INLINE void Load8x8x2_NEON(
+ const uint8_t* const u, const uint8_t* const v, int stride,
+ uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1,
+ uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1,
+ uint8x16_t* const q2, uint8x16_t* const q3) {
// We pack the 8x8 u-samples in the lower half of the uint8x16_t destination
// and the v-samples on the higher half.
*p3 = vcombine_u8(vld1_u8(u - 4 * stride), vld1_u8(v - 4 * stride));
@@ -177,13 +161,11 @@ static WEBP_INLINE void Load8x8x2(const uint8_t* const u,
#define LOAD_UV_8(ROW) \
vcombine_u8(vld1_u8(u - 4 + (ROW) * stride), vld1_u8(v - 4 + (ROW) * stride))
-static WEBP_INLINE void Load8x8x2T(const uint8_t* const u,
- const uint8_t* const v,
- int stride,
- uint8x16_t* const p3, uint8x16_t* const p2,
- uint8x16_t* const p1, uint8x16_t* const p0,
- uint8x16_t* const q0, uint8x16_t* const q1,
- uint8x16_t* const q2, uint8x16_t* const q3) {
+static WEBP_INLINE void Load8x8x2T_NEON(
+ const uint8_t* const u, const uint8_t* const v, int stride,
+ uint8x16_t* const p3, uint8x16_t* const p2, uint8x16_t* const p1,
+ uint8x16_t* const p0, uint8x16_t* const q0, uint8x16_t* const q1,
+ uint8x16_t* const q2, uint8x16_t* const q3) {
// We pack the 8x8 u-samples in the lower half of the uint8x16_t destination
// and the v-samples on the higher half.
const uint8x16_t row0 = LOAD_UV_8(0);
@@ -238,8 +220,8 @@ static WEBP_INLINE void Load8x8x2T(const uint8_t* const u,
#endif // !WORK_AROUND_GCC
-static WEBP_INLINE void Store2x8(const uint8x8x2_t v,
- uint8_t* const dst, int stride) {
+static WEBP_INLINE void Store2x8_NEON(const uint8x8x2_t v,
+ uint8_t* const dst, int stride) {
vst2_lane_u8(dst + 0 * stride, v, 0);
vst2_lane_u8(dst + 1 * stride, v, 1);
vst2_lane_u8(dst + 2 * stride, v, 2);
@@ -250,20 +232,20 @@ static WEBP_INLINE void Store2x8(const uint8x8x2_t v,
vst2_lane_u8(dst + 7 * stride, v, 7);
}
-static WEBP_INLINE void Store2x16(const uint8x16_t p0, const uint8x16_t q0,
- uint8_t* const dst, int stride) {
+static WEBP_INLINE void Store2x16_NEON(const uint8x16_t p0, const uint8x16_t q0,
+ uint8_t* const dst, int stride) {
uint8x8x2_t lo, hi;
lo.val[0] = vget_low_u8(p0);
lo.val[1] = vget_low_u8(q0);
hi.val[0] = vget_high_u8(p0);
hi.val[1] = vget_high_u8(q0);
- Store2x8(lo, dst - 1 + 0 * stride, stride);
- Store2x8(hi, dst - 1 + 8 * stride, stride);
+ Store2x8_NEON(lo, dst - 1 + 0 * stride, stride);
+ Store2x8_NEON(hi, dst - 1 + 8 * stride, stride);
}
#if !defined(WORK_AROUND_GCC)
-static WEBP_INLINE void Store4x8(const uint8x8x4_t v,
- uint8_t* const dst, int stride) {
+static WEBP_INLINE void Store4x8_NEON(const uint8x8x4_t v,
+ uint8_t* const dst, int stride) {
vst4_lane_u8(dst + 0 * stride, v, 0);
vst4_lane_u8(dst + 1 * stride, v, 1);
vst4_lane_u8(dst + 2 * stride, v, 2);
@@ -274,9 +256,9 @@ static WEBP_INLINE void Store4x8(const uint8x8x4_t v,
vst4_lane_u8(dst + 7 * stride, v, 7);
}
-static WEBP_INLINE void Store4x16(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- uint8_t* const dst, int stride) {
+static WEBP_INLINE void Store4x16_NEON(const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1,
+ uint8_t* const dst, int stride) {
uint8x8x4_t lo, hi;
INIT_VECTOR4(lo,
vget_low_u8(p1), vget_low_u8(p0),
@@ -284,27 +266,28 @@ static WEBP_INLINE void Store4x16(const uint8x16_t p1, const uint8x16_t p0,
INIT_VECTOR4(hi,
vget_high_u8(p1), vget_high_u8(p0),
vget_high_u8(q0), vget_high_u8(q1));
- Store4x8(lo, dst - 2 + 0 * stride, stride);
- Store4x8(hi, dst - 2 + 8 * stride, stride);
+ Store4x8_NEON(lo, dst - 2 + 0 * stride, stride);
+ Store4x8_NEON(hi, dst - 2 + 8 * stride, stride);
}
#endif // !WORK_AROUND_GCC
-static WEBP_INLINE void Store16x2(const uint8x16_t p0, const uint8x16_t q0,
- uint8_t* const dst, int stride) {
+static WEBP_INLINE void Store16x2_NEON(const uint8x16_t p0, const uint8x16_t q0,
+ uint8_t* const dst, int stride) {
vst1q_u8(dst - stride, p0);
vst1q_u8(dst, q0);
}
-static WEBP_INLINE void Store16x4(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- uint8_t* const dst, int stride) {
- Store16x2(p1, p0, dst - stride, stride);
- Store16x2(q0, q1, dst + stride, stride);
+static WEBP_INLINE void Store16x4_NEON(const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1,
+ uint8_t* const dst, int stride) {
+ Store16x2_NEON(p1, p0, dst - stride, stride);
+ Store16x2_NEON(q0, q1, dst + stride, stride);
}
-static WEBP_INLINE void Store8x2x2(const uint8x16_t p0, const uint8x16_t q0,
- uint8_t* const u, uint8_t* const v,
- int stride) {
+static WEBP_INLINE void Store8x2x2_NEON(const uint8x16_t p0,
+ const uint8x16_t q0,
+ uint8_t* const u, uint8_t* const v,
+ int stride) {
// p0 and q0 contain the u+v samples packed in low/high halves.
vst1_u8(u - stride, vget_low_u8(p0));
vst1_u8(u, vget_low_u8(q0));
@@ -312,13 +295,15 @@ static WEBP_INLINE void Store8x2x2(const uint8x16_t p0, const uint8x16_t q0,
vst1_u8(v, vget_high_u8(q0));
}
-static WEBP_INLINE void Store8x4x2(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- uint8_t* const u, uint8_t* const v,
- int stride) {
+static WEBP_INLINE void Store8x4x2_NEON(const uint8x16_t p1,
+ const uint8x16_t p0,
+ const uint8x16_t q0,
+ const uint8x16_t q1,
+ uint8_t* const u, uint8_t* const v,
+ int stride) {
// The p1...q1 registers contain the u+v samples packed in low/high halves.
- Store8x2x2(p1, p0, u - stride, v - stride, stride);
- Store8x2x2(q0, q1, u + stride, v + stride, stride);
+ Store8x2x2_NEON(p1, p0, u - stride, v - stride, stride);
+ Store8x2x2_NEON(q0, q1, u + stride, v + stride, stride);
}
#if !defined(WORK_AROUND_GCC)
@@ -329,11 +314,10 @@ static WEBP_INLINE void Store8x4x2(const uint8x16_t p1, const uint8x16_t p0,
(DST) += stride; \
} while (0)
-static WEBP_INLINE void Store6x8x2(const uint8x16_t p2, const uint8x16_t p1,
- const uint8x16_t p0, const uint8x16_t q0,
- const uint8x16_t q1, const uint8x16_t q2,
- uint8_t* u, uint8_t* v,
- int stride) {
+static WEBP_INLINE void Store6x8x2_NEON(
+ const uint8x16_t p2, const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1, const uint8x16_t q2,
+ uint8_t* u, uint8_t* v, int stride) {
uint8x8x3_t u0, u1, v0, v1;
INIT_VECTOR3(u0, vget_low_u8(p2), vget_low_u8(p1), vget_low_u8(p0));
INIT_VECTOR3(u1, vget_low_u8(q0), vget_low_u8(q1), vget_low_u8(q2));
@@ -358,10 +342,12 @@ static WEBP_INLINE void Store6x8x2(const uint8x16_t p2, const uint8x16_t p1,
}
#undef STORE6_LANE
-static WEBP_INLINE void Store4x8x2(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- uint8_t* const u, uint8_t* const v,
- int stride) {
+static WEBP_INLINE void Store4x8x2_NEON(const uint8x16_t p1,
+ const uint8x16_t p0,
+ const uint8x16_t q0,
+ const uint8x16_t q1,
+ uint8_t* const u, uint8_t* const v,
+ int stride) {
uint8x8x4_t u0, v0;
INIT_VECTOR4(u0,
vget_low_u8(p1), vget_low_u8(p0),
@@ -390,15 +376,15 @@ static WEBP_INLINE void Store4x8x2(const uint8x16_t p1, const uint8x16_t p0,
#endif // !WORK_AROUND_GCC
// Zero extend 'v' to an int16x8_t.
-static WEBP_INLINE int16x8_t ConvertU8ToS16(uint8x8_t v) {
+static WEBP_INLINE int16x8_t ConvertU8ToS16_NEON(uint8x8_t v) {
return vreinterpretq_s16_u16(vmovl_u8(v));
}
// Performs unsigned 8b saturation on 'dst01' and 'dst23' storing the result
// to the corresponding rows of 'dst'.
-static WEBP_INLINE void SaturateAndStore4x4(uint8_t* const dst,
- const int16x8_t dst01,
- const int16x8_t dst23) {
+static WEBP_INLINE void SaturateAndStore4x4_NEON(uint8_t* const dst,
+ const int16x8_t dst01,
+ const int16x8_t dst23) {
// Unsigned saturate to 8b.
const uint8x8_t dst01_u8 = vqmovun_s16(dst01);
const uint8x8_t dst23_u8 = vqmovun_s16(dst23);
@@ -410,8 +396,9 @@ static WEBP_INLINE void SaturateAndStore4x4(uint8_t* const dst,
vst1_lane_u32((uint32_t*)(dst + 3 * BPS), vreinterpret_u32_u8(dst23_u8), 1);
}
-static WEBP_INLINE void Add4x4(const int16x8_t row01, const int16x8_t row23,
- uint8_t* const dst) {
+static WEBP_INLINE void Add4x4_NEON(const int16x8_t row01,
+ const int16x8_t row23,
+ uint8_t* const dst) {
uint32x2_t dst01 = vdup_n_u32(0);
uint32x2_t dst23 = vdup_n_u32(0);
@@ -423,23 +410,23 @@ static WEBP_INLINE void Add4x4(const int16x8_t row01, const int16x8_t row23,
{
// Convert to 16b.
- const int16x8_t dst01_s16 = ConvertU8ToS16(vreinterpret_u8_u32(dst01));
- const int16x8_t dst23_s16 = ConvertU8ToS16(vreinterpret_u8_u32(dst23));
+ const int16x8_t dst01_s16 = ConvertU8ToS16_NEON(vreinterpret_u8_u32(dst01));
+ const int16x8_t dst23_s16 = ConvertU8ToS16_NEON(vreinterpret_u8_u32(dst23));
// Descale with rounding.
const int16x8_t out01 = vrsraq_n_s16(dst01_s16, row01, 3);
const int16x8_t out23 = vrsraq_n_s16(dst23_s16, row23, 3);
// Add the inverse transform.
- SaturateAndStore4x4(dst, out01, out23);
+ SaturateAndStore4x4_NEON(dst, out01, out23);
}
}
//-----------------------------------------------------------------------------
// Simple In-loop filtering (Paragraph 15.2)
-static uint8x16_t NeedsFilter(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- int thresh) {
+static uint8x16_t NeedsFilter_NEON(const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1,
+ int thresh) {
const uint8x16_t thresh_v = vdupq_n_u8((uint8_t)thresh);
const uint8x16_t a_p0_q0 = vabdq_u8(p0, q0); // abs(p0-q0)
const uint8x16_t a_p1_q1 = vabdq_u8(p1, q1); // abs(p1-q1)
@@ -450,18 +437,18 @@ static uint8x16_t NeedsFilter(const uint8x16_t p1, const uint8x16_t p0,
return mask;
}
-static int8x16_t FlipSign(const uint8x16_t v) {
+static int8x16_t FlipSign_NEON(const uint8x16_t v) {
const uint8x16_t sign_bit = vdupq_n_u8(0x80);
return vreinterpretq_s8_u8(veorq_u8(v, sign_bit));
}
-static uint8x16_t FlipSignBack(const int8x16_t v) {
+static uint8x16_t FlipSignBack_NEON(const int8x16_t v) {
const int8x16_t sign_bit = vdupq_n_s8(0x80);
return vreinterpretq_u8_s8(veorq_s8(v, sign_bit));
}
-static int8x16_t GetBaseDelta(const int8x16_t p1, const int8x16_t p0,
- const int8x16_t q0, const int8x16_t q1) {
+static int8x16_t GetBaseDelta_NEON(const int8x16_t p1, const int8x16_t p0,
+ const int8x16_t q0, const int8x16_t q1) {
const int8x16_t q0_p0 = vqsubq_s8(q0, p0); // (q0-p0)
const int8x16_t p1_q1 = vqsubq_s8(p1, q1); // (p1-q1)
const int8x16_t s1 = vqaddq_s8(p1_q1, q0_p0); // (p1-q1) + 1 * (q0 - p0)
@@ -470,7 +457,7 @@ static int8x16_t GetBaseDelta(const int8x16_t p1, const int8x16_t p0,
return s3;
}
-static int8x16_t GetBaseDelta0(const int8x16_t p0, const int8x16_t q0) {
+static int8x16_t GetBaseDelta0_NEON(const int8x16_t p0, const int8x16_t q0) {
const int8x16_t q0_p0 = vqsubq_s8(q0, p0); // (q0-p0)
const int8x16_t s1 = vqaddq_s8(q0_p0, q0_p0); // 2 * (q0 - p0)
const int8x16_t s2 = vqaddq_s8(q0_p0, s1); // 3 * (q0 - p0)
@@ -479,9 +466,10 @@ static int8x16_t GetBaseDelta0(const int8x16_t p0, const int8x16_t q0) {
//------------------------------------------------------------------------------
-static void ApplyFilter2NoFlip(const int8x16_t p0s, const int8x16_t q0s,
- const int8x16_t delta,
- int8x16_t* const op0, int8x16_t* const oq0) {
+static void ApplyFilter2NoFlip_NEON(const int8x16_t p0s, const int8x16_t q0s,
+ const int8x16_t delta,
+ int8x16_t* const op0,
+ int8x16_t* const oq0) {
const int8x16_t kCst3 = vdupq_n_s8(0x03);
const int8x16_t kCst4 = vdupq_n_s8(0x04);
const int8x16_t delta_p3 = vqaddq_s8(delta, kCst3);
@@ -494,9 +482,9 @@ static void ApplyFilter2NoFlip(const int8x16_t p0s, const int8x16_t q0s,
#if defined(WEBP_USE_INTRINSICS)
-static void ApplyFilter2(const int8x16_t p0s, const int8x16_t q0s,
- const int8x16_t delta,
- uint8x16_t* const op0, uint8x16_t* const oq0) {
+static void ApplyFilter2_NEON(const int8x16_t p0s, const int8x16_t q0s,
+ const int8x16_t delta,
+ uint8x16_t* const op0, uint8x16_t* const oq0) {
const int8x16_t kCst3 = vdupq_n_s8(0x03);
const int8x16_t kCst4 = vdupq_n_s8(0x04);
const int8x16_t delta_p3 = vqaddq_s8(delta, kCst3);
@@ -505,45 +493,66 @@ static void ApplyFilter2(const int8x16_t p0s, const int8x16_t q0s,
const int8x16_t delta4 = vshrq_n_s8(delta_p4, 3);
const int8x16_t sp0 = vqaddq_s8(p0s, delta3);
const int8x16_t sq0 = vqsubq_s8(q0s, delta4);
- *op0 = FlipSignBack(sp0);
- *oq0 = FlipSignBack(sq0);
-}
-
-static void DoFilter2(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- const uint8x16_t mask,
- uint8x16_t* const op0, uint8x16_t* const oq0) {
- const int8x16_t p1s = FlipSign(p1);
- const int8x16_t p0s = FlipSign(p0);
- const int8x16_t q0s = FlipSign(q0);
- const int8x16_t q1s = FlipSign(q1);
- const int8x16_t delta0 = GetBaseDelta(p1s, p0s, q0s, q1s);
+ *op0 = FlipSignBack_NEON(sp0);
+ *oq0 = FlipSignBack_NEON(sq0);
+}
+
+static void DoFilter2_NEON(const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1,
+ const uint8x16_t mask,
+ uint8x16_t* const op0, uint8x16_t* const oq0) {
+ const int8x16_t p1s = FlipSign_NEON(p1);
+ const int8x16_t p0s = FlipSign_NEON(p0);
+ const int8x16_t q0s = FlipSign_NEON(q0);
+ const int8x16_t q1s = FlipSign_NEON(q1);
+ const int8x16_t delta0 = GetBaseDelta_NEON(p1s, p0s, q0s, q1s);
const int8x16_t delta1 = vandq_s8(delta0, vreinterpretq_s8_u8(mask));
- ApplyFilter2(p0s, q0s, delta1, op0, oq0);
+ ApplyFilter2_NEON(p0s, q0s, delta1, op0, oq0);
}
-static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleVFilter16_NEON(uint8_t* p, int stride, int thresh) {
uint8x16_t p1, p0, q0, q1, op0, oq0;
- Load16x4(p, stride, &p1, &p0, &q0, &q1);
+ Load16x4_NEON(p, stride, &p1, &p0, &q0, &q1);
{
- const uint8x16_t mask = NeedsFilter(p1, p0, q0, q1, thresh);
- DoFilter2(p1, p0, q0, q1, mask, &op0, &oq0);
+ const uint8x16_t mask = NeedsFilter_NEON(p1, p0, q0, q1, thresh);
+ DoFilter2_NEON(p1, p0, q0, q1, mask, &op0, &oq0);
}
- Store16x2(op0, oq0, p, stride);
+ Store16x2_NEON(op0, oq0, p, stride);
}
-static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16_NEON(uint8_t* p, int stride, int thresh) {
uint8x16_t p1, p0, q0, q1, oq0, op0;
- Load4x16(p, stride, &p1, &p0, &q0, &q1);
+ Load4x16_NEON(p, stride, &p1, &p0, &q0, &q1);
{
- const uint8x16_t mask = NeedsFilter(p1, p0, q0, q1, thresh);
- DoFilter2(p1, p0, q0, q1, mask, &op0, &oq0);
+ const uint8x16_t mask = NeedsFilter_NEON(p1, p0, q0, q1, thresh);
+ DoFilter2_NEON(p1, p0, q0, q1, mask, &op0, &oq0);
}
- Store2x16(op0, oq0, p, stride);
+ Store2x16_NEON(op0, oq0, p, stride);
}
#else
+// Load/Store vertical edge
+#define LOAD8x4(c1, c2, c3, c4, b1, b2, stride) \
+ "vld4.8 {" #c1 "[0]," #c2 "[0]," #c3 "[0]," #c4 "[0]}," #b1 "," #stride "\n" \
+ "vld4.8 {" #c1 "[1]," #c2 "[1]," #c3 "[1]," #c4 "[1]}," #b2 "," #stride "\n" \
+ "vld4.8 {" #c1 "[2]," #c2 "[2]," #c3 "[2]," #c4 "[2]}," #b1 "," #stride "\n" \
+ "vld4.8 {" #c1 "[3]," #c2 "[3]," #c3 "[3]," #c4 "[3]}," #b2 "," #stride "\n" \
+ "vld4.8 {" #c1 "[4]," #c2 "[4]," #c3 "[4]," #c4 "[4]}," #b1 "," #stride "\n" \
+ "vld4.8 {" #c1 "[5]," #c2 "[5]," #c3 "[5]," #c4 "[5]}," #b2 "," #stride "\n" \
+ "vld4.8 {" #c1 "[6]," #c2 "[6]," #c3 "[6]," #c4 "[6]}," #b1 "," #stride "\n" \
+ "vld4.8 {" #c1 "[7]," #c2 "[7]," #c3 "[7]," #c4 "[7]}," #b2 "," #stride "\n"
+
+#define STORE8x2(c1, c2, p, stride) \
+ "vst2.8 {" #c1 "[0], " #c2 "[0]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[1], " #c2 "[1]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[2], " #c2 "[2]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[3], " #c2 "[3]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[4], " #c2 "[4]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[5], " #c2 "[5]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[6], " #c2 "[6]}," #p "," #stride " \n" \
+ "vst2.8 {" #c1 "[7], " #c2 "[7]}," #p "," #stride " \n"
+
#define QRegs "q0", "q1", "q2", "q3", \
"q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
@@ -592,7 +601,7 @@ static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
DO_SIMPLE_FILTER(p0, q0, q9) /* apply filter */ \
FLIP_SIGN_BIT2(p0, q0, q10)
-static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleVFilter16_NEON(uint8_t* p, int stride, int thresh) {
__asm__ volatile (
"sub %[p], %[p], %[stride], lsl #1 \n" // p -= 2 * stride
@@ -613,7 +622,7 @@ static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
);
}
-static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16_NEON(uint8_t* p, int stride, int thresh) {
__asm__ volatile (
"sub r4, %[p], #2 \n" // base1 = p - 2
"lsl r6, %[stride], #1 \n" // r6 = 2 * stride
@@ -639,30 +648,33 @@ static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
);
}
+#undef LOAD8x4
+#undef STORE8x2
+
#endif // WEBP_USE_INTRINSICS
-static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) {
+static void SimpleVFilter16i_NEON(uint8_t* p, int stride, int thresh) {
uint32_t k;
for (k = 3; k != 0; --k) {
p += 4 * stride;
- SimpleVFilter16(p, stride, thresh);
+ SimpleVFilter16_NEON(p, stride, thresh);
}
}
-static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16i_NEON(uint8_t* p, int stride, int thresh) {
uint32_t k;
for (k = 3; k != 0; --k) {
p += 4;
- SimpleHFilter16(p, stride, thresh);
+ SimpleHFilter16_NEON(p, stride, thresh);
}
}
//------------------------------------------------------------------------------
// Complex In-loop filtering (Paragraph 15.3)
-static uint8x16_t NeedsHev(const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- int hev_thresh) {
+static uint8x16_t NeedsHev_NEON(const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1,
+ int hev_thresh) {
const uint8x16_t hev_thresh_v = vdupq_n_u8((uint8_t)hev_thresh);
const uint8x16_t a_p1_p0 = vabdq_u8(p1, p0); // abs(p1 - p0)
const uint8x16_t a_q1_q0 = vabdq_u8(q1, q0); // abs(q1 - q0)
@@ -671,11 +683,11 @@ static uint8x16_t NeedsHev(const uint8x16_t p1, const uint8x16_t p0,
return mask;
}
-static uint8x16_t NeedsFilter2(const uint8x16_t p3, const uint8x16_t p2,
- const uint8x16_t p1, const uint8x16_t p0,
- const uint8x16_t q0, const uint8x16_t q1,
- const uint8x16_t q2, const uint8x16_t q3,
- int ithresh, int thresh) {
+static uint8x16_t NeedsFilter2_NEON(const uint8x16_t p3, const uint8x16_t p2,
+ const uint8x16_t p1, const uint8x16_t p0,
+ const uint8x16_t q0, const uint8x16_t q1,
+ const uint8x16_t q2, const uint8x16_t q3,
+ int ithresh, int thresh) {
const uint8x16_t ithresh_v = vdupq_n_u8((uint8_t)ithresh);
const uint8x16_t a_p3_p2 = vabdq_u8(p3, p2); // abs(p3 - p2)
const uint8x16_t a_p2_p1 = vabdq_u8(p2, p1); // abs(p2 - p1)
@@ -689,14 +701,14 @@ static uint8x16_t NeedsFilter2(const uint8x16_t p3, const uint8x16_t p2,
const uint8x16_t max12 = vmaxq_u8(max1, max2);
const uint8x16_t max123 = vmaxq_u8(max12, max3);
const uint8x16_t mask2 = vcgeq_u8(ithresh_v, max123);
- const uint8x16_t mask1 = NeedsFilter(p1, p0, q0, q1, thresh);
+ const uint8x16_t mask1 = NeedsFilter_NEON(p1, p0, q0, q1, thresh);
const uint8x16_t mask = vandq_u8(mask1, mask2);
return mask;
}
// 4-points filter
-static void ApplyFilter4(
+static void ApplyFilter4_NEON(
const int8x16_t p1, const int8x16_t p0,
const int8x16_t q0, const int8x16_t q1,
const int8x16_t delta0,
@@ -709,47 +721,47 @@ static void ApplyFilter4(
const int8x16_t a1 = vshrq_n_s8(delta1, 3);
const int8x16_t a2 = vshrq_n_s8(delta2, 3);
const int8x16_t a3 = vrshrq_n_s8(a1, 1); // a3 = (a1 + 1) >> 1
- *op0 = FlipSignBack(vqaddq_s8(p0, a2)); // clip(p0 + a2)
- *oq0 = FlipSignBack(vqsubq_s8(q0, a1)); // clip(q0 - a1)
- *op1 = FlipSignBack(vqaddq_s8(p1, a3)); // clip(p1 + a3)
- *oq1 = FlipSignBack(vqsubq_s8(q1, a3)); // clip(q1 - a3)
+ *op0 = FlipSignBack_NEON(vqaddq_s8(p0, a2)); // clip(p0 + a2)
+ *oq0 = FlipSignBack_NEON(vqsubq_s8(q0, a1)); // clip(q0 - a1)
+ *op1 = FlipSignBack_NEON(vqaddq_s8(p1, a3)); // clip(p1 + a3)
+ *oq1 = FlipSignBack_NEON(vqsubq_s8(q1, a3)); // clip(q1 - a3)
}
-static void DoFilter4(
+static void DoFilter4_NEON(
const uint8x16_t p1, const uint8x16_t p0,
const uint8x16_t q0, const uint8x16_t q1,
const uint8x16_t mask, const uint8x16_t hev_mask,
uint8x16_t* const op1, uint8x16_t* const op0,
uint8x16_t* const oq0, uint8x16_t* const oq1) {
// This is a fused version of DoFilter2() calling ApplyFilter2 directly
- const int8x16_t p1s = FlipSign(p1);
- int8x16_t p0s = FlipSign(p0);
- int8x16_t q0s = FlipSign(q0);
- const int8x16_t q1s = FlipSign(q1);
+ const int8x16_t p1s = FlipSign_NEON(p1);
+ int8x16_t p0s = FlipSign_NEON(p0);
+ int8x16_t q0s = FlipSign_NEON(q0);
+ const int8x16_t q1s = FlipSign_NEON(q1);
const uint8x16_t simple_lf_mask = vandq_u8(mask, hev_mask);
// do_filter2 part (simple loopfilter on pixels with hev)
{
- const int8x16_t delta = GetBaseDelta(p1s, p0s, q0s, q1s);
+ const int8x16_t delta = GetBaseDelta_NEON(p1s, p0s, q0s, q1s);
const int8x16_t simple_lf_delta =
vandq_s8(delta, vreinterpretq_s8_u8(simple_lf_mask));
- ApplyFilter2NoFlip(p0s, q0s, simple_lf_delta, &p0s, &q0s);
+ ApplyFilter2NoFlip_NEON(p0s, q0s, simple_lf_delta, &p0s, &q0s);
}
// do_filter4 part (complex loopfilter on pixels without hev)
{
- const int8x16_t delta0 = GetBaseDelta0(p0s, q0s);
+ const int8x16_t delta0 = GetBaseDelta0_NEON(p0s, q0s);
// we use: (mask & hev_mask) ^ mask = mask & !hev_mask
const uint8x16_t complex_lf_mask = veorq_u8(simple_lf_mask, mask);
const int8x16_t complex_lf_delta =
vandq_s8(delta0, vreinterpretq_s8_u8(complex_lf_mask));
- ApplyFilter4(p1s, p0s, q0s, q1s, complex_lf_delta, op1, op0, oq0, oq1);
+ ApplyFilter4_NEON(p1s, p0s, q0s, q1s, complex_lf_delta, op1, op0, oq0, oq1);
}
}
// 6-points filter
-static void ApplyFilter6(
+static void ApplyFilter6_NEON(
const int8x16_t p2, const int8x16_t p1, const int8x16_t p0,
const int8x16_t q0, const int8x16_t q1, const int8x16_t q2,
const int8x16_t delta,
@@ -778,35 +790,35 @@ static void ApplyFilter6(
const int8x16_t a2 = vcombine_s8(a2_lo, a2_hi);
const int8x16_t a3 = vcombine_s8(a3_lo, a3_hi);
- *op0 = FlipSignBack(vqaddq_s8(p0, a1)); // clip(p0 + a1)
- *oq0 = FlipSignBack(vqsubq_s8(q0, a1)); // clip(q0 - q1)
- *oq1 = FlipSignBack(vqsubq_s8(q1, a2)); // clip(q1 - a2)
- *op1 = FlipSignBack(vqaddq_s8(p1, a2)); // clip(p1 + a2)
- *oq2 = FlipSignBack(vqsubq_s8(q2, a3)); // clip(q2 - a3)
- *op2 = FlipSignBack(vqaddq_s8(p2, a3)); // clip(p2 + a3)
+ *op0 = FlipSignBack_NEON(vqaddq_s8(p0, a1)); // clip(p0 + a1)
+ *oq0 = FlipSignBack_NEON(vqsubq_s8(q0, a1)); // clip(q0 - q1)
+ *oq1 = FlipSignBack_NEON(vqsubq_s8(q1, a2)); // clip(q1 - a2)
+ *op1 = FlipSignBack_NEON(vqaddq_s8(p1, a2)); // clip(p1 + a2)
+ *oq2 = FlipSignBack_NEON(vqsubq_s8(q2, a3)); // clip(q2 - a3)
+ *op2 = FlipSignBack_NEON(vqaddq_s8(p2, a3)); // clip(p2 + a3)
}
-static void DoFilter6(
+static void DoFilter6_NEON(
const uint8x16_t p2, const uint8x16_t p1, const uint8x16_t p0,
const uint8x16_t q0, const uint8x16_t q1, const uint8x16_t q2,
const uint8x16_t mask, const uint8x16_t hev_mask,
uint8x16_t* const op2, uint8x16_t* const op1, uint8x16_t* const op0,
uint8x16_t* const oq0, uint8x16_t* const oq1, uint8x16_t* const oq2) {
// This is a fused version of DoFilter2() calling ApplyFilter2 directly
- const int8x16_t p2s = FlipSign(p2);
- const int8x16_t p1s = FlipSign(p1);
- int8x16_t p0s = FlipSign(p0);
- int8x16_t q0s = FlipSign(q0);
- const int8x16_t q1s = FlipSign(q1);
- const int8x16_t q2s = FlipSign(q2);
+ const int8x16_t p2s = FlipSign_NEON(p2);
+ const int8x16_t p1s = FlipSign_NEON(p1);
+ int8x16_t p0s = FlipSign_NEON(p0);
+ int8x16_t q0s = FlipSign_NEON(q0);
+ const int8x16_t q1s = FlipSign_NEON(q1);
+ const int8x16_t q2s = FlipSign_NEON(q2);
const uint8x16_t simple_lf_mask = vandq_u8(mask, hev_mask);
- const int8x16_t delta0 = GetBaseDelta(p1s, p0s, q0s, q1s);
+ const int8x16_t delta0 = GetBaseDelta_NEON(p1s, p0s, q0s, q1s);
// do_filter2 part (simple loopfilter on pixels with hev)
{
const int8x16_t simple_lf_delta =
vandq_s8(delta0, vreinterpretq_s8_u8(simple_lf_mask));
- ApplyFilter2NoFlip(p0s, q0s, simple_lf_delta, &p0s, &q0s);
+ ApplyFilter2NoFlip_NEON(p0s, q0s, simple_lf_delta, &p0s, &q0s);
}
// do_filter6 part (complex loopfilter on pixels without hev)
@@ -815,65 +827,65 @@ static void DoFilter6(
const uint8x16_t complex_lf_mask = veorq_u8(simple_lf_mask, mask);
const int8x16_t complex_lf_delta =
vandq_s8(delta0, vreinterpretq_s8_u8(complex_lf_mask));
- ApplyFilter6(p2s, p1s, p0s, q0s, q1s, q2s, complex_lf_delta,
- op2, op1, op0, oq0, oq1, oq2);
+ ApplyFilter6_NEON(p2s, p1s, p0s, q0s, q1s, q2s, complex_lf_delta,
+ op2, op1, op0, oq0, oq1, oq2);
}
}
// on macroblock edges
-static void VFilter16(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter16_NEON(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3;
- Load16x8(p, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
+ Load16x8_NEON(p, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
{
- const uint8x16_t mask = NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3,
- ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3,
+ ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
uint8x16_t op2, op1, op0, oq0, oq1, oq2;
- DoFilter6(p2, p1, p0, q0, q1, q2, mask, hev_mask,
- &op2, &op1, &op0, &oq0, &oq1, &oq2);
- Store16x2(op2, op1, p - 2 * stride, stride);
- Store16x2(op0, oq0, p + 0 * stride, stride);
- Store16x2(oq1, oq2, p + 2 * stride, stride);
+ DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask,
+ &op2, &op1, &op0, &oq0, &oq1, &oq2);
+ Store16x2_NEON(op2, op1, p - 2 * stride, stride);
+ Store16x2_NEON(op0, oq0, p + 0 * stride, stride);
+ Store16x2_NEON(oq1, oq2, p + 2 * stride, stride);
}
}
-static void HFilter16(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter16_NEON(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3;
- Load8x16(p, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
+ Load8x16_NEON(p, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
{
- const uint8x16_t mask = NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3,
- ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3,
+ ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
uint8x16_t op2, op1, op0, oq0, oq1, oq2;
- DoFilter6(p2, p1, p0, q0, q1, q2, mask, hev_mask,
- &op2, &op1, &op0, &oq0, &oq1, &oq2);
- Store2x16(op2, op1, p - 2, stride);
- Store2x16(op0, oq0, p + 0, stride);
- Store2x16(oq1, oq2, p + 2, stride);
+ DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask,
+ &op2, &op1, &op0, &oq0, &oq1, &oq2);
+ Store2x16_NEON(op2, op1, p - 2, stride);
+ Store2x16_NEON(op0, oq0, p + 0, stride);
+ Store2x16_NEON(oq1, oq2, p + 2, stride);
}
}
// on three inner edges
-static void VFilter16i(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter16i_NEON(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint32_t k;
uint8x16_t p3, p2, p1, p0;
- Load16x4(p + 2 * stride, stride, &p3, &p2, &p1, &p0);
+ Load16x4_NEON(p + 2 * stride, stride, &p3, &p2, &p1, &p0);
for (k = 3; k != 0; --k) {
uint8x16_t q0, q1, q2, q3;
p += 4 * stride;
- Load16x4(p + 2 * stride, stride, &q0, &q1, &q2, &q3);
+ Load16x4_NEON(p + 2 * stride, stride, &q0, &q1, &q2, &q3);
{
const uint8x16_t mask =
- NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3, ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
// p3 and p2 are not just temporary variables here: they will be
// re-used for next span. And q2/q3 will become p1/p0 accordingly.
- DoFilter4(p1, p0, q0, q1, mask, hev_mask, &p1, &p0, &p3, &p2);
- Store16x4(p1, p0, p3, p2, p, stride);
+ DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &p1, &p0, &p3, &p2);
+ Store16x4_NEON(p1, p0, p3, p2, p, stride);
p1 = q2;
p0 = q3;
}
@@ -881,21 +893,21 @@ static void VFilter16i(uint8_t* p, int stride,
}
#if !defined(WORK_AROUND_GCC)
-static void HFilter16i(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter16i_NEON(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint32_t k;
uint8x16_t p3, p2, p1, p0;
- Load4x16(p + 2, stride, &p3, &p2, &p1, &p0);
+ Load4x16_NEON(p + 2, stride, &p3, &p2, &p1, &p0);
for (k = 3; k != 0; --k) {
uint8x16_t q0, q1, q2, q3;
p += 4;
- Load4x16(p + 2, stride, &q0, &q1, &q2, &q3);
+ Load4x16_NEON(p + 2, stride, &q0, &q1, &q2, &q3);
{
const uint8x16_t mask =
- NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3, ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
- DoFilter4(p1, p0, q0, q1, mask, hev_mask, &p1, &p0, &p3, &p2);
- Store4x16(p1, p0, p3, p2, p, stride);
+ NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3, ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
+ DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &p1, &p0, &p3, &p2);
+ Store4x16_NEON(p1, p0, p3, p2, p, stride);
p1 = q2;
p0 = q3;
}
@@ -904,67 +916,67 @@ static void HFilter16i(uint8_t* p, int stride,
#endif // !WORK_AROUND_GCC
// 8-pixels wide variant, for chroma filtering
-static void VFilter8(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter8_NEON(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3;
- Load8x8x2(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
+ Load8x8x2_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
{
- const uint8x16_t mask = NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3,
- ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3,
+ ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
uint8x16_t op2, op1, op0, oq0, oq1, oq2;
- DoFilter6(p2, p1, p0, q0, q1, q2, mask, hev_mask,
- &op2, &op1, &op0, &oq0, &oq1, &oq2);
- Store8x2x2(op2, op1, u - 2 * stride, v - 2 * stride, stride);
- Store8x2x2(op0, oq0, u + 0 * stride, v + 0 * stride, stride);
- Store8x2x2(oq1, oq2, u + 2 * stride, v + 2 * stride, stride);
+ DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask,
+ &op2, &op1, &op0, &oq0, &oq1, &oq2);
+ Store8x2x2_NEON(op2, op1, u - 2 * stride, v - 2 * stride, stride);
+ Store8x2x2_NEON(op0, oq0, u + 0 * stride, v + 0 * stride, stride);
+ Store8x2x2_NEON(oq1, oq2, u + 2 * stride, v + 2 * stride, stride);
}
}
-static void VFilter8i(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter8i_NEON(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3;
u += 4 * stride;
v += 4 * stride;
- Load8x8x2(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
+ Load8x8x2_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
{
- const uint8x16_t mask = NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3,
- ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3,
+ ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
uint8x16_t op1, op0, oq0, oq1;
- DoFilter4(p1, p0, q0, q1, mask, hev_mask, &op1, &op0, &oq0, &oq1);
- Store8x4x2(op1, op0, oq0, oq1, u, v, stride);
+ DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &op1, &op0, &oq0, &oq1);
+ Store8x4x2_NEON(op1, op0, oq0, oq1, u, v, stride);
}
}
#if !defined(WORK_AROUND_GCC)
-static void HFilter8(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter8_NEON(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3;
- Load8x8x2T(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
+ Load8x8x2T_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
{
- const uint8x16_t mask = NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3,
- ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3,
+ ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
uint8x16_t op2, op1, op0, oq0, oq1, oq2;
- DoFilter6(p2, p1, p0, q0, q1, q2, mask, hev_mask,
- &op2, &op1, &op0, &oq0, &oq1, &oq2);
- Store6x8x2(op2, op1, op0, oq0, oq1, oq2, u, v, stride);
+ DoFilter6_NEON(p2, p1, p0, q0, q1, q2, mask, hev_mask,
+ &op2, &op1, &op0, &oq0, &oq1, &oq2);
+ Store6x8x2_NEON(op2, op1, op0, oq0, oq1, oq2, u, v, stride);
}
}
-static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter8i_NEON(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
uint8x16_t p3, p2, p1, p0, q0, q1, q2, q3;
u += 4;
v += 4;
- Load8x8x2T(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
+ Load8x8x2T_NEON(u, v, stride, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3);
{
- const uint8x16_t mask = NeedsFilter2(p3, p2, p1, p0, q0, q1, q2, q3,
- ithresh, thresh);
- const uint8x16_t hev_mask = NeedsHev(p1, p0, q0, q1, hev_thresh);
+ const uint8x16_t mask = NeedsFilter2_NEON(p3, p2, p1, p0, q0, q1, q2, q3,
+ ithresh, thresh);
+ const uint8x16_t hev_mask = NeedsHev_NEON(p1, p0, q0, q1, hev_thresh);
uint8x16_t op1, op0, oq0, oq1;
- DoFilter4(p1, p0, q0, q1, mask, hev_mask, &op1, &op0, &oq0, &oq1);
- Store4x8x2(op1, op0, oq0, oq1, u, v, stride);
+ DoFilter4_NEON(p1, p0, q0, q1, mask, hev_mask, &op1, &op0, &oq0, &oq1);
+ Store4x8x2_NEON(op1, op0, oq0, oq1, u, v, stride);
}
}
#endif // !WORK_AROUND_GCC
@@ -992,8 +1004,9 @@ static const int16_t kC1 = 20091;
static const int16_t kC2 = 17734; // half of kC2, actually. See comment above.
#if defined(WEBP_USE_INTRINSICS)
-static WEBP_INLINE void Transpose8x2(const int16x8_t in0, const int16x8_t in1,
- int16x8x2_t* const out) {
+static WEBP_INLINE void Transpose8x2_NEON(const int16x8_t in0,
+ const int16x8_t in1,
+ int16x8x2_t* const out) {
// a0 a1 a2 a3 | b0 b1 b2 b3 => a0 b0 c0 d0 | a1 b1 c1 d1
// c0 c1 c2 c3 | d0 d1 d2 d3 a2 b2 c2 d2 | a3 b3 c3 d3
const int16x8x2_t tmp0 = vzipq_s16(in0, in1); // a0 c0 a1 c1 a2 c2 ...
@@ -1001,7 +1014,7 @@ static WEBP_INLINE void Transpose8x2(const int16x8_t in0, const int16x8_t in1,
*out = vzipq_s16(tmp0.val[0], tmp0.val[1]);
}
-static WEBP_INLINE void TransformPass(int16x8x2_t* const rows) {
+static WEBP_INLINE void TransformPass_NEON(int16x8x2_t* const rows) {
// {rows} = in0 | in4
// in8 | in12
// B1 = in4 | in12
@@ -1024,20 +1037,20 @@ static WEBP_INLINE void TransformPass(int16x8x2_t* const rows) {
const int16x8_t E0 = vqaddq_s16(D0, D1); // a+d | b+c
const int16x8_t E_tmp = vqsubq_s16(D0, D1); // a-d | b-c
const int16x8_t E1 = vcombine_s16(vget_high_s16(E_tmp), vget_low_s16(E_tmp));
- Transpose8x2(E0, E1, rows);
+ Transpose8x2_NEON(E0, E1, rows);
}
-static void TransformOne(const int16_t* in, uint8_t* dst) {
+static void TransformOne_NEON(const int16_t* in, uint8_t* dst) {
int16x8x2_t rows;
INIT_VECTOR2(rows, vld1q_s16(in + 0), vld1q_s16(in + 8));
- TransformPass(&rows);
- TransformPass(&rows);
- Add4x4(rows.val[0], rows.val[1], dst);
+ TransformPass_NEON(&rows);
+ TransformPass_NEON(&rows);
+ Add4x4_NEON(rows.val[0], rows.val[1], dst);
}
#else
-static void TransformOne(const int16_t* in, uint8_t* dst) {
+static void TransformOne_NEON(const int16_t* in, uint8_t* dst) {
const int kBPS = BPS;
// kC1, kC2. Padded because vld1.16 loads 8 bytes
const int16_t constants[4] = { kC1, kC2, 0, 0 };
@@ -1170,16 +1183,16 @@ static void TransformOne(const int16_t* in, uint8_t* dst) {
#endif // WEBP_USE_INTRINSICS
-static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) {
- TransformOne(in, dst);
+static void TransformTwo_NEON(const int16_t* in, uint8_t* dst, int do_two) {
+ TransformOne_NEON(in, dst);
if (do_two) {
- TransformOne(in + 16, dst + 4);
+ TransformOne_NEON(in + 16, dst + 4);
}
}
-static void TransformDC(const int16_t* in, uint8_t* dst) {
+static void TransformDC_NEON(const int16_t* in, uint8_t* dst) {
const int16x8_t DC = vdupq_n_s16(in[0]);
- Add4x4(DC, DC, dst);
+ Add4x4_NEON(DC, DC, dst);
}
//------------------------------------------------------------------------------
@@ -1191,7 +1204,7 @@ static void TransformDC(const int16_t* in, uint8_t* dst) {
*dst = vgetq_lane_s32(rows.val[3], col); (dst) += 16; \
} while (0)
-static void TransformWHT(const int16_t* in, int16_t* out) {
+static void TransformWHT_NEON(const int16_t* in, int16_t* out) {
int32x4x4_t tmp;
{
@@ -1209,7 +1222,7 @@ static void TransformWHT(const int16_t* in, int16_t* out) {
tmp.val[2] = vsubq_s32(a0, a1);
tmp.val[3] = vsubq_s32(a3, a2);
// Arrange the temporary results column-wise.
- tmp = Transpose4x4(tmp);
+ tmp = Transpose4x4_NEON(tmp);
}
{
@@ -1243,7 +1256,7 @@ static void TransformWHT(const int16_t* in, int16_t* out) {
//------------------------------------------------------------------------------
#define MUL(a, b) (((a) * (b)) >> 16)
-static void TransformAC3(const int16_t* in, uint8_t* dst) {
+static void TransformAC3_NEON(const int16_t* in, uint8_t* dst) {
static const int kC1_full = 20091 + (1 << 16);
static const int kC2_full = 35468;
const int16x4_t A = vld1_dup_s16(in);
@@ -1259,14 +1272,14 @@ static void TransformAC3(const int16_t* in, uint8_t* dst) {
const int16x4_t B = vqadd_s16(A, CD);
const int16x8_t m0_m1 = vcombine_s16(vqadd_s16(B, d4), vqadd_s16(B, c4));
const int16x8_t m2_m3 = vcombine_s16(vqsub_s16(B, c4), vqsub_s16(B, d4));
- Add4x4(m0_m1, m2_m3, dst);
+ Add4x4_NEON(m0_m1, m2_m3, dst);
}
#undef MUL
//------------------------------------------------------------------------------
// 4x4
-static void DC4(uint8_t* dst) { // DC
+static void DC4_NEON(uint8_t* dst) { // DC
const uint8x8_t A = vld1_u8(dst - BPS); // top row
const uint16x4_t p0 = vpaddl_u8(A); // cascading summation of the top
const uint16x4_t p1 = vpadd_u16(p0, p0);
@@ -1287,17 +1300,17 @@ static void DC4(uint8_t* dst) { // DC
}
// TrueMotion (4x4 + 8x8)
-static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
+static WEBP_INLINE void TrueMotion_NEON(uint8_t* dst, int size) {
const uint8x8_t TL = vld1_dup_u8(dst - BPS - 1); // top-left pixel 'A[-1]'
const uint8x8_t T = vld1_u8(dst - BPS); // top row 'A[0..3]'
const int16x8_t d = vreinterpretq_s16_u16(vsubl_u8(T, TL)); // A[c] - A[-1]
int y;
for (y = 0; y < size; y += 4) {
// left edge
- const int16x8_t L0 = ConvertU8ToS16(vld1_dup_u8(dst + 0 * BPS - 1));
- const int16x8_t L1 = ConvertU8ToS16(vld1_dup_u8(dst + 1 * BPS - 1));
- const int16x8_t L2 = ConvertU8ToS16(vld1_dup_u8(dst + 2 * BPS - 1));
- const int16x8_t L3 = ConvertU8ToS16(vld1_dup_u8(dst + 3 * BPS - 1));
+ const int16x8_t L0 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 0 * BPS - 1));
+ const int16x8_t L1 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 1 * BPS - 1));
+ const int16x8_t L2 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 2 * BPS - 1));
+ const int16x8_t L3 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 3 * BPS - 1));
const int16x8_t r0 = vaddq_s16(L0, d); // L[r] + A[c] - A[-1]
const int16x8_t r1 = vaddq_s16(L1, d);
const int16x8_t r2 = vaddq_s16(L2, d);
@@ -1322,9 +1335,9 @@ static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
}
}
-static void TM4(uint8_t* dst) { TrueMotion(dst, 4); }
+static void TM4_NEON(uint8_t* dst) { TrueMotion_NEON(dst, 4); }
-static void VE4(uint8_t* dst) { // vertical
+static void VE4_NEON(uint8_t* dst) { // vertical
// NB: avoid vld1_u64 here as an alignment hint may be added -> SIGBUS.
const uint64x1_t A0 = vreinterpret_u64_u8(vld1_u8(dst - BPS - 1)); // top row
const uint64x1_t A1 = vshr_n_u64(A0, 8);
@@ -1340,7 +1353,7 @@ static void VE4(uint8_t* dst) { // vertical
}
}
-static void RD4(uint8_t* dst) { // Down-right
+static void RD4_NEON(uint8_t* dst) { // Down-right
const uint8x8_t XABCD_u8 = vld1_u8(dst - BPS - 1);
const uint64x1_t XABCD = vreinterpret_u64_u8(XABCD_u8);
const uint64x1_t ____XABC = vshl_n_u64(XABCD, 32);
@@ -1368,7 +1381,7 @@ static void RD4(uint8_t* dst) { // Down-right
vst1_lane_u32((uint32_t*)(dst + 3 * BPS), r3, 0);
}
-static void LD4(uint8_t* dst) { // Down-left
+static void LD4_NEON(uint8_t* dst) { // Down-left
// Note using the same shift trick as VE4() is slower here.
const uint8x8_t ABCDEFGH = vld1_u8(dst - BPS + 0);
const uint8x8_t BCDEFGH0 = vld1_u8(dst - BPS + 1);
@@ -1390,7 +1403,7 @@ static void LD4(uint8_t* dst) { // Down-left
//------------------------------------------------------------------------------
// Chroma
-static void VE8uv(uint8_t* dst) { // vertical
+static void VE8uv_NEON(uint8_t* dst) { // vertical
const uint8x8_t top = vld1_u8(dst - BPS);
int j;
for (j = 0; j < 8; ++j) {
@@ -1398,7 +1411,7 @@ static void VE8uv(uint8_t* dst) { // vertical
}
}
-static void HE8uv(uint8_t* dst) { // horizontal
+static void HE8uv_NEON(uint8_t* dst) { // horizontal
int j;
for (j = 0; j < 8; ++j) {
const uint8x8_t left = vld1_dup_u8(dst - 1);
@@ -1407,7 +1420,7 @@ static void HE8uv(uint8_t* dst) { // horizontal
}
}
-static WEBP_INLINE void DC8(uint8_t* dst, int do_top, int do_left) {
+static WEBP_INLINE void DC8_NEON(uint8_t* dst, int do_top, int do_left) {
uint16x8_t sum_top;
uint16x8_t sum_left;
uint8x8_t dc0;
@@ -1458,17 +1471,17 @@ static WEBP_INLINE void DC8(uint8_t* dst, int do_top, int do_left) {
}
}
-static void DC8uv(uint8_t* dst) { DC8(dst, 1, 1); }
-static void DC8uvNoTop(uint8_t* dst) { DC8(dst, 0, 1); }
-static void DC8uvNoLeft(uint8_t* dst) { DC8(dst, 1, 0); }
-static void DC8uvNoTopLeft(uint8_t* dst) { DC8(dst, 0, 0); }
+static void DC8uv_NEON(uint8_t* dst) { DC8_NEON(dst, 1, 1); }
+static void DC8uvNoTop_NEON(uint8_t* dst) { DC8_NEON(dst, 0, 1); }
+static void DC8uvNoLeft_NEON(uint8_t* dst) { DC8_NEON(dst, 1, 0); }
+static void DC8uvNoTopLeft_NEON(uint8_t* dst) { DC8_NEON(dst, 0, 0); }
-static void TM8uv(uint8_t* dst) { TrueMotion(dst, 8); }
+static void TM8uv_NEON(uint8_t* dst) { TrueMotion_NEON(dst, 8); }
//------------------------------------------------------------------------------
// 16x16
-static void VE16(uint8_t* dst) { // vertical
+static void VE16_NEON(uint8_t* dst) { // vertical
const uint8x16_t top = vld1q_u8(dst - BPS);
int j;
for (j = 0; j < 16; ++j) {
@@ -1476,7 +1489,7 @@ static void VE16(uint8_t* dst) { // vertical
}
}
-static void HE16(uint8_t* dst) { // horizontal
+static void HE16_NEON(uint8_t* dst) { // horizontal
int j;
for (j = 0; j < 16; ++j) {
const uint8x16_t left = vld1q_dup_u8(dst - 1);
@@ -1485,7 +1498,7 @@ static void HE16(uint8_t* dst) { // horizontal
}
}
-static WEBP_INLINE void DC16(uint8_t* dst, int do_top, int do_left) {
+static WEBP_INLINE void DC16_NEON(uint8_t* dst, int do_top, int do_left) {
uint16x8_t sum_top;
uint16x8_t sum_left;
uint8x8_t dc0;
@@ -1542,12 +1555,12 @@ static WEBP_INLINE void DC16(uint8_t* dst, int do_top, int do_left) {
}
}
-static void DC16TopLeft(uint8_t* dst) { DC16(dst, 1, 1); }
-static void DC16NoTop(uint8_t* dst) { DC16(dst, 0, 1); }
-static void DC16NoLeft(uint8_t* dst) { DC16(dst, 1, 0); }
-static void DC16NoTopLeft(uint8_t* dst) { DC16(dst, 0, 0); }
+static void DC16TopLeft_NEON(uint8_t* dst) { DC16_NEON(dst, 1, 1); }
+static void DC16NoTop_NEON(uint8_t* dst) { DC16_NEON(dst, 0, 1); }
+static void DC16NoLeft_NEON(uint8_t* dst) { DC16_NEON(dst, 1, 0); }
+static void DC16NoTopLeft_NEON(uint8_t* dst) { DC16_NEON(dst, 0, 0); }
-static void TM16(uint8_t* dst) {
+static void TM16_NEON(uint8_t* dst) {
const uint8x8_t TL = vld1_dup_u8(dst - BPS - 1); // top-left pixel 'A[-1]'
const uint8x16_t T = vld1q_u8(dst - BPS); // top row 'A[0..15]'
// A[c] - A[-1]
@@ -1556,10 +1569,10 @@ static void TM16(uint8_t* dst) {
int y;
for (y = 0; y < 16; y += 4) {
// left edge
- const int16x8_t L0 = ConvertU8ToS16(vld1_dup_u8(dst + 0 * BPS - 1));
- const int16x8_t L1 = ConvertU8ToS16(vld1_dup_u8(dst + 1 * BPS - 1));
- const int16x8_t L2 = ConvertU8ToS16(vld1_dup_u8(dst + 2 * BPS - 1));
- const int16x8_t L3 = ConvertU8ToS16(vld1_dup_u8(dst + 3 * BPS - 1));
+ const int16x8_t L0 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 0 * BPS - 1));
+ const int16x8_t L1 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 1 * BPS - 1));
+ const int16x8_t L2 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 2 * BPS - 1));
+ const int16x8_t L3 = ConvertU8ToS16_NEON(vld1_dup_u8(dst + 3 * BPS - 1));
const int16x8_t r0_lo = vaddq_s16(L0, d_lo); // L[r] + A[c] - A[-1]
const int16x8_t r1_lo = vaddq_s16(L1, d_lo);
const int16x8_t r2_lo = vaddq_s16(L2, d_lo);
@@ -1587,49 +1600,49 @@ static void TM16(uint8_t* dst) {
extern void VP8DspInitNEON(void);
WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitNEON(void) {
- VP8Transform = TransformTwo;
- VP8TransformAC3 = TransformAC3;
- VP8TransformDC = TransformDC;
- VP8TransformWHT = TransformWHT;
-
- VP8VFilter16 = VFilter16;
- VP8VFilter16i = VFilter16i;
- VP8HFilter16 = HFilter16;
+ VP8Transform = TransformTwo_NEON;
+ VP8TransformAC3 = TransformAC3_NEON;
+ VP8TransformDC = TransformDC_NEON;
+ VP8TransformWHT = TransformWHT_NEON;
+
+ VP8VFilter16 = VFilter16_NEON;
+ VP8VFilter16i = VFilter16i_NEON;
+ VP8HFilter16 = HFilter16_NEON;
#if !defined(WORK_AROUND_GCC)
- VP8HFilter16i = HFilter16i;
+ VP8HFilter16i = HFilter16i_NEON;
#endif
- VP8VFilter8 = VFilter8;
- VP8VFilter8i = VFilter8i;
+ VP8VFilter8 = VFilter8_NEON;
+ VP8VFilter8i = VFilter8i_NEON;
#if !defined(WORK_AROUND_GCC)
- VP8HFilter8 = HFilter8;
- VP8HFilter8i = HFilter8i;
+ VP8HFilter8 = HFilter8_NEON;
+ VP8HFilter8i = HFilter8i_NEON;
#endif
- VP8SimpleVFilter16 = SimpleVFilter16;
- VP8SimpleHFilter16 = SimpleHFilter16;
- VP8SimpleVFilter16i = SimpleVFilter16i;
- VP8SimpleHFilter16i = SimpleHFilter16i;
-
- VP8PredLuma4[0] = DC4;
- VP8PredLuma4[1] = TM4;
- VP8PredLuma4[2] = VE4;
- VP8PredLuma4[4] = RD4;
- VP8PredLuma4[6] = LD4;
-
- VP8PredLuma16[0] = DC16TopLeft;
- VP8PredLuma16[1] = TM16;
- VP8PredLuma16[2] = VE16;
- VP8PredLuma16[3] = HE16;
- VP8PredLuma16[4] = DC16NoTop;
- VP8PredLuma16[5] = DC16NoLeft;
- VP8PredLuma16[6] = DC16NoTopLeft;
-
- VP8PredChroma8[0] = DC8uv;
- VP8PredChroma8[1] = TM8uv;
- VP8PredChroma8[2] = VE8uv;
- VP8PredChroma8[3] = HE8uv;
- VP8PredChroma8[4] = DC8uvNoTop;
- VP8PredChroma8[5] = DC8uvNoLeft;
- VP8PredChroma8[6] = DC8uvNoTopLeft;
+ VP8SimpleVFilter16 = SimpleVFilter16_NEON;
+ VP8SimpleHFilter16 = SimpleHFilter16_NEON;
+ VP8SimpleVFilter16i = SimpleVFilter16i_NEON;
+ VP8SimpleHFilter16i = SimpleHFilter16i_NEON;
+
+ VP8PredLuma4[0] = DC4_NEON;
+ VP8PredLuma4[1] = TM4_NEON;
+ VP8PredLuma4[2] = VE4_NEON;
+ VP8PredLuma4[4] = RD4_NEON;
+ VP8PredLuma4[6] = LD4_NEON;
+
+ VP8PredLuma16[0] = DC16TopLeft_NEON;
+ VP8PredLuma16[1] = TM16_NEON;
+ VP8PredLuma16[2] = VE16_NEON;
+ VP8PredLuma16[3] = HE16_NEON;
+ VP8PredLuma16[4] = DC16NoTop_NEON;
+ VP8PredLuma16[5] = DC16NoLeft_NEON;
+ VP8PredLuma16[6] = DC16NoTopLeft_NEON;
+
+ VP8PredChroma8[0] = DC8uv_NEON;
+ VP8PredChroma8[1] = TM8uv_NEON;
+ VP8PredChroma8[2] = VE8uv_NEON;
+ VP8PredChroma8[3] = HE8uv_NEON;
+ VP8PredChroma8[4] = DC8uvNoTop_NEON;
+ VP8PredChroma8[5] = DC8uvNoLeft_NEON;
+ VP8PredChroma8[6] = DC8uvNoTopLeft_NEON;
}
#else // !WEBP_USE_NEON
diff --git a/media/libwebp/dsp/dec_sse2.c b/media/libwebp/dsp/dec_sse2.c
index 411fb0276..f187a5bb4 100644
--- a/media/libwebp/dsp/dec_sse2.c
+++ b/media/libwebp/dsp/dec_sse2.c
@@ -12,23 +12,25 @@
// Author: somnath@google.com (Somnath Banerjee)
// cduvivier@google.com (Christian Duvivier)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE2)
// The 3-coeff sparse transform in SSE2 is not really faster than the plain-C
// one it seems => disable it by default. Uncomment the following to enable:
-// #define USE_TRANSFORM_AC3
+#if !defined(USE_TRANSFORM_AC3)
+#define USE_TRANSFORM_AC3 0 // ALTERNATE_CODE
+#endif
#include <emmintrin.h>
-#include "./common_sse2.h"
+#include "../dsp/common_sse2.h"
#include "../dec/vp8i_dec.h"
#include "../utils/utils.h"
//------------------------------------------------------------------------------
// Transforms (Paragraph 14.4)
-static void Transform(const int16_t* in, uint8_t* dst, int do_two) {
+static void Transform_SSE2(const int16_t* in, uint8_t* dst, int do_two) {
// This implementation makes use of 16-bit fixed point versions of two
// multiply constants:
// K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16
@@ -193,7 +195,7 @@ static void Transform(const int16_t* in, uint8_t* dst, int do_two) {
}
}
-#if defined(USE_TRANSFORM_AC3)
+#if (USE_TRANSFORM_AC3 == 1)
#define MUL(a, b) (((a) * (b)) >> 16)
static void TransformAC3(const int16_t* in, uint8_t* dst) {
static const int kC1 = 20091 + (1 << 16);
@@ -248,7 +250,7 @@ static void TransformAC3(const int16_t* in, uint8_t* dst) {
_mm_subs_epu8((p), (q)))
// Shift each byte of "x" by 3 bits while preserving by the sign bit.
-static WEBP_INLINE void SignedShift8b(__m128i* const x) {
+static WEBP_INLINE void SignedShift8b_SSE2(__m128i* const x) {
const __m128i zero = _mm_setzero_si128();
const __m128i lo_0 = _mm_unpacklo_epi8(zero, *x);
const __m128i hi_0 = _mm_unpackhi_epi8(zero, *x);
@@ -258,8 +260,8 @@ static WEBP_INLINE void SignedShift8b(__m128i* const x) {
}
#define FLIP_SIGN_BIT2(a, b) { \
- a = _mm_xor_si128(a, sign_bit); \
- b = _mm_xor_si128(b, sign_bit); \
+ (a) = _mm_xor_si128(a, sign_bit); \
+ (b) = _mm_xor_si128(b, sign_bit); \
}
#define FLIP_SIGN_BIT4(a, b, c, d) { \
@@ -268,11 +270,11 @@ static WEBP_INLINE void SignedShift8b(__m128i* const x) {
}
// input/output is uint8_t
-static WEBP_INLINE void GetNotHEV(const __m128i* const p1,
- const __m128i* const p0,
- const __m128i* const q0,
- const __m128i* const q1,
- int hev_thresh, __m128i* const not_hev) {
+static WEBP_INLINE void GetNotHEV_SSE2(const __m128i* const p1,
+ const __m128i* const p0,
+ const __m128i* const q0,
+ const __m128i* const q1,
+ int hev_thresh, __m128i* const not_hev) {
const __m128i zero = _mm_setzero_si128();
const __m128i t_1 = MM_ABS(*p1, *p0);
const __m128i t_2 = MM_ABS(*q1, *q0);
@@ -285,11 +287,11 @@ static WEBP_INLINE void GetNotHEV(const __m128i* const p1,
}
// input pixels are int8_t
-static WEBP_INLINE void GetBaseDelta(const __m128i* const p1,
- const __m128i* const p0,
- const __m128i* const q0,
- const __m128i* const q1,
- __m128i* const delta) {
+static WEBP_INLINE void GetBaseDelta_SSE2(const __m128i* const p1,
+ const __m128i* const p0,
+ const __m128i* const q0,
+ const __m128i* const q1,
+ __m128i* const delta) {
// beware of addition order, for saturation!
const __m128i p1_q1 = _mm_subs_epi8(*p1, *q1); // p1 - q1
const __m128i q0_p0 = _mm_subs_epi8(*q0, *p0); // q0 - p0
@@ -300,15 +302,16 @@ static WEBP_INLINE void GetBaseDelta(const __m128i* const p1,
}
// input and output are int8_t
-static WEBP_INLINE void DoSimpleFilter(__m128i* const p0, __m128i* const q0,
- const __m128i* const fl) {
+static WEBP_INLINE void DoSimpleFilter_SSE2(__m128i* const p0,
+ __m128i* const q0,
+ const __m128i* const fl) {
const __m128i k3 = _mm_set1_epi8(3);
const __m128i k4 = _mm_set1_epi8(4);
__m128i v3 = _mm_adds_epi8(*fl, k3);
__m128i v4 = _mm_adds_epi8(*fl, k4);
- SignedShift8b(&v4); // v4 >> 3
- SignedShift8b(&v3); // v3 >> 3
+ SignedShift8b_SSE2(&v4); // v4 >> 3
+ SignedShift8b_SSE2(&v3); // v3 >> 3
*q0 = _mm_subs_epi8(*q0, v4); // q0 -= v4
*p0 = _mm_adds_epi8(*p0, v3); // p0 += v3
}
@@ -317,9 +320,9 @@ static WEBP_INLINE void DoSimpleFilter(__m128i* const p0, __m128i* const q0,
// Update operations:
// q = q - delta and p = p + delta; where delta = [(a_hi >> 7), (a_lo >> 7)]
// Pixels 'pi' and 'qi' are int8_t on input, uint8_t on output (sign flip).
-static WEBP_INLINE void Update2Pixels(__m128i* const pi, __m128i* const qi,
- const __m128i* const a0_lo,
- const __m128i* const a0_hi) {
+static WEBP_INLINE void Update2Pixels_SSE2(__m128i* const pi, __m128i* const qi,
+ const __m128i* const a0_lo,
+ const __m128i* const a0_hi) {
const __m128i a1_lo = _mm_srai_epi16(*a0_lo, 7);
const __m128i a1_hi = _mm_srai_epi16(*a0_hi, 7);
const __m128i delta = _mm_packs_epi16(a1_lo, a1_hi);
@@ -330,11 +333,11 @@ static WEBP_INLINE void Update2Pixels(__m128i* const pi, __m128i* const qi,
}
// input pixels are uint8_t
-static WEBP_INLINE void NeedsFilter(const __m128i* const p1,
- const __m128i* const p0,
- const __m128i* const q0,
- const __m128i* const q1,
- int thresh, __m128i* const mask) {
+static WEBP_INLINE void NeedsFilter_SSE2(const __m128i* const p1,
+ const __m128i* const p0,
+ const __m128i* const q0,
+ const __m128i* const q1,
+ int thresh, __m128i* const mask) {
const __m128i m_thresh = _mm_set1_epi8(thresh);
const __m128i t1 = MM_ABS(*p1, *q1); // abs(p1 - q1)
const __m128i kFE = _mm_set1_epi8(0xFE);
@@ -353,28 +356,29 @@ static WEBP_INLINE void NeedsFilter(const __m128i* const p1,
// Edge filtering functions
// Applies filter on 2 pixels (p0 and q0)
-static WEBP_INLINE void DoFilter2(__m128i* const p1, __m128i* const p0,
- __m128i* const q0, __m128i* const q1,
- int thresh) {
+static WEBP_INLINE void DoFilter2_SSE2(__m128i* const p1, __m128i* const p0,
+ __m128i* const q0, __m128i* const q1,
+ int thresh) {
__m128i a, mask;
const __m128i sign_bit = _mm_set1_epi8(0x80);
- // convert p1/q1 to int8_t (for GetBaseDelta)
+ // convert p1/q1 to int8_t (for GetBaseDelta_SSE2)
const __m128i p1s = _mm_xor_si128(*p1, sign_bit);
const __m128i q1s = _mm_xor_si128(*q1, sign_bit);
- NeedsFilter(p1, p0, q0, q1, thresh, &mask);
+ NeedsFilter_SSE2(p1, p0, q0, q1, thresh, &mask);
FLIP_SIGN_BIT2(*p0, *q0);
- GetBaseDelta(&p1s, p0, q0, &q1s, &a);
+ GetBaseDelta_SSE2(&p1s, p0, q0, &q1s, &a);
a = _mm_and_si128(a, mask); // mask filter values we don't care about
- DoSimpleFilter(p0, q0, &a);
+ DoSimpleFilter_SSE2(p0, q0, &a);
FLIP_SIGN_BIT2(*p0, *q0);
}
// Applies filter on 4 pixels (p1, p0, q0 and q1)
-static WEBP_INLINE void DoFilter4(__m128i* const p1, __m128i* const p0,
- __m128i* const q0, __m128i* const q1,
- const __m128i* const mask, int hev_thresh) {
+static WEBP_INLINE void DoFilter4_SSE2(__m128i* const p1, __m128i* const p0,
+ __m128i* const q0, __m128i* const q1,
+ const __m128i* const mask,
+ int hev_thresh) {
const __m128i zero = _mm_setzero_si128();
const __m128i sign_bit = _mm_set1_epi8(0x80);
const __m128i k64 = _mm_set1_epi8(64);
@@ -384,7 +388,7 @@ static WEBP_INLINE void DoFilter4(__m128i* const p1, __m128i* const p0,
__m128i t1, t2, t3;
// compute hev mask
- GetNotHEV(p1, p0, q0, q1, hev_thresh, &not_hev);
+ GetNotHEV_SSE2(p1, p0, q0, q1, hev_thresh, &not_hev);
// convert to signed values
FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1);
@@ -399,8 +403,8 @@ static WEBP_INLINE void DoFilter4(__m128i* const p1, __m128i* const p0,
t2 = _mm_adds_epi8(t1, k3); // 3 * (q0 - p0) + hev(p1 - q1) + 3
t3 = _mm_adds_epi8(t1, k4); // 3 * (q0 - p0) + hev(p1 - q1) + 4
- SignedShift8b(&t2); // (3 * (q0 - p0) + hev(p1 - q1) + 3) >> 3
- SignedShift8b(&t3); // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 3
+ SignedShift8b_SSE2(&t2); // (3 * (q0 - p0) + hev(p1 - q1) + 3) >> 3
+ SignedShift8b_SSE2(&t3); // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 3
*p0 = _mm_adds_epi8(*p0, t2); // p0 += t2
*q0 = _mm_subs_epi8(*q0, t3); // q0 -= t3
FLIP_SIGN_BIT2(*p0, *q0);
@@ -417,25 +421,26 @@ static WEBP_INLINE void DoFilter4(__m128i* const p1, __m128i* const p0,
}
// Applies filter on 6 pixels (p2, p1, p0, q0, q1 and q2)
-static WEBP_INLINE void DoFilter6(__m128i* const p2, __m128i* const p1,
- __m128i* const p0, __m128i* const q0,
- __m128i* const q1, __m128i* const q2,
- const __m128i* const mask, int hev_thresh) {
+static WEBP_INLINE void DoFilter6_SSE2(__m128i* const p2, __m128i* const p1,
+ __m128i* const p0, __m128i* const q0,
+ __m128i* const q1, __m128i* const q2,
+ const __m128i* const mask,
+ int hev_thresh) {
const __m128i zero = _mm_setzero_si128();
const __m128i sign_bit = _mm_set1_epi8(0x80);
__m128i a, not_hev;
// compute hev mask
- GetNotHEV(p1, p0, q0, q1, hev_thresh, &not_hev);
+ GetNotHEV_SSE2(p1, p0, q0, q1, hev_thresh, &not_hev);
FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1);
FLIP_SIGN_BIT2(*p2, *q2);
- GetBaseDelta(p1, p0, q0, q1, &a);
+ GetBaseDelta_SSE2(p1, p0, q0, q1, &a);
{ // do simple filter on pixels with hev
const __m128i m = _mm_andnot_si128(not_hev, *mask);
const __m128i f = _mm_and_si128(a, m);
- DoSimpleFilter(p0, q0, &f);
+ DoSimpleFilter_SSE2(p0, q0, &f);
}
{ // do strong filter on pixels with not hev
@@ -460,15 +465,15 @@ static WEBP_INLINE void DoFilter6(__m128i* const p2, __m128i* const p1,
const __m128i a0_lo = _mm_add_epi16(a1_lo, f9_lo); // Filter * 27 + 63
const __m128i a0_hi = _mm_add_epi16(a1_hi, f9_hi); // Filter * 27 + 63
- Update2Pixels(p2, q2, &a2_lo, &a2_hi);
- Update2Pixels(p1, q1, &a1_lo, &a1_hi);
- Update2Pixels(p0, q0, &a0_lo, &a0_hi);
+ Update2Pixels_SSE2(p2, q2, &a2_lo, &a2_hi);
+ Update2Pixels_SSE2(p1, q1, &a1_lo, &a1_hi);
+ Update2Pixels_SSE2(p0, q0, &a0_lo, &a0_hi);
}
}
// reads 8 rows across a vertical edge.
-static WEBP_INLINE void Load8x4(const uint8_t* const b, int stride,
- __m128i* const p, __m128i* const q) {
+static WEBP_INLINE void Load8x4_SSE2(const uint8_t* const b, int stride,
+ __m128i* const p, __m128i* const q) {
// A0 = 63 62 61 60 23 22 21 20 43 42 41 40 03 02 01 00
// A1 = 73 72 71 70 33 32 31 30 53 52 51 50 13 12 11 10
const __m128i A0 = _mm_set_epi32(
@@ -494,11 +499,11 @@ static WEBP_INLINE void Load8x4(const uint8_t* const b, int stride,
*q = _mm_unpackhi_epi32(C0, C1);
}
-static WEBP_INLINE void Load16x4(const uint8_t* const r0,
- const uint8_t* const r8,
- int stride,
- __m128i* const p1, __m128i* const p0,
- __m128i* const q0, __m128i* const q1) {
+static WEBP_INLINE void Load16x4_SSE2(const uint8_t* const r0,
+ const uint8_t* const r8,
+ int stride,
+ __m128i* const p1, __m128i* const p0,
+ __m128i* const q0, __m128i* const q1) {
// Assume the pixels around the edge (|) are numbered as follows
// 00 01 | 02 03
// 10 11 | 12 13
@@ -514,8 +519,8 @@ static WEBP_INLINE void Load16x4(const uint8_t* const r0,
// q0 = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02
// p0 = f1 e1 d1 c1 b1 a1 91 81 f0 e0 d0 c0 b0 a0 90 80
// q1 = f3 e3 d3 c3 b3 a3 93 83 f2 e2 d2 c2 b2 a2 92 82
- Load8x4(r0, stride, p1, q0);
- Load8x4(r8, stride, p0, q1);
+ Load8x4_SSE2(r0, stride, p1, q0);
+ Load8x4_SSE2(r8, stride, p0, q1);
{
// p1 = f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00
@@ -531,7 +536,8 @@ static WEBP_INLINE void Load16x4(const uint8_t* const r0,
}
}
-static WEBP_INLINE void Store4x4(__m128i* const x, uint8_t* dst, int stride) {
+static WEBP_INLINE void Store4x4_SSE2(__m128i* const x,
+ uint8_t* dst, int stride) {
int i;
for (i = 0; i < 4; ++i, dst += stride) {
WebPUint32ToMem(dst, _mm_cvtsi128_si32(*x));
@@ -540,12 +546,12 @@ static WEBP_INLINE void Store4x4(__m128i* const x, uint8_t* dst, int stride) {
}
// Transpose back and store
-static WEBP_INLINE void Store16x4(const __m128i* const p1,
- const __m128i* const p0,
- const __m128i* const q0,
- const __m128i* const q1,
- uint8_t* r0, uint8_t* r8,
- int stride) {
+static WEBP_INLINE void Store16x4_SSE2(const __m128i* const p1,
+ const __m128i* const p0,
+ const __m128i* const q0,
+ const __m128i* const q1,
+ uint8_t* r0, uint8_t* r8,
+ int stride) {
__m128i t1, p1_s, p0_s, q0_s, q1_s;
// p0 = 71 70 61 60 51 50 41 40 31 30 21 20 11 10 01 00
@@ -572,55 +578,55 @@ static WEBP_INLINE void Store16x4(const __m128i* const p1,
p1_s = _mm_unpacklo_epi16(t1, q1_s);
q1_s = _mm_unpackhi_epi16(t1, q1_s);
- Store4x4(&p0_s, r0, stride);
+ Store4x4_SSE2(&p0_s, r0, stride);
r0 += 4 * stride;
- Store4x4(&q0_s, r0, stride);
+ Store4x4_SSE2(&q0_s, r0, stride);
- Store4x4(&p1_s, r8, stride);
+ Store4x4_SSE2(&p1_s, r8, stride);
r8 += 4 * stride;
- Store4x4(&q1_s, r8, stride);
+ Store4x4_SSE2(&q1_s, r8, stride);
}
//------------------------------------------------------------------------------
// Simple In-loop filtering (Paragraph 15.2)
-static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleVFilter16_SSE2(uint8_t* p, int stride, int thresh) {
// Load
__m128i p1 = _mm_loadu_si128((__m128i*)&p[-2 * stride]);
__m128i p0 = _mm_loadu_si128((__m128i*)&p[-stride]);
__m128i q0 = _mm_loadu_si128((__m128i*)&p[0]);
__m128i q1 = _mm_loadu_si128((__m128i*)&p[stride]);
- DoFilter2(&p1, &p0, &q0, &q1, thresh);
+ DoFilter2_SSE2(&p1, &p0, &q0, &q1, thresh);
// Store
_mm_storeu_si128((__m128i*)&p[-stride], p0);
_mm_storeu_si128((__m128i*)&p[0], q0);
}
-static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16_SSE2(uint8_t* p, int stride, int thresh) {
__m128i p1, p0, q0, q1;
p -= 2; // beginning of p1
- Load16x4(p, p + 8 * stride, stride, &p1, &p0, &q0, &q1);
- DoFilter2(&p1, &p0, &q0, &q1, thresh);
- Store16x4(&p1, &p0, &q0, &q1, p, p + 8 * stride, stride);
+ Load16x4_SSE2(p, p + 8 * stride, stride, &p1, &p0, &q0, &q1);
+ DoFilter2_SSE2(&p1, &p0, &q0, &q1, thresh);
+ Store16x4_SSE2(&p1, &p0, &q0, &q1, p, p + 8 * stride, stride);
}
-static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) {
+static void SimpleVFilter16i_SSE2(uint8_t* p, int stride, int thresh) {
int k;
for (k = 3; k > 0; --k) {
p += 4 * stride;
- SimpleVFilter16(p, stride, thresh);
+ SimpleVFilter16_SSE2(p, stride, thresh);
}
}
-static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
+static void SimpleHFilter16i_SSE2(uint8_t* p, int stride, int thresh) {
int k;
for (k = 3; k > 0; --k) {
p += 4;
- SimpleHFilter16(p, stride, thresh);
+ SimpleHFilter16_SSE2(p, stride, thresh);
}
}
@@ -628,60 +634,60 @@ static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
// Complex In-loop filtering (Paragraph 15.3)
#define MAX_DIFF1(p3, p2, p1, p0, m) do { \
- m = MM_ABS(p1, p0); \
- m = _mm_max_epu8(m, MM_ABS(p3, p2)); \
- m = _mm_max_epu8(m, MM_ABS(p2, p1)); \
+ (m) = MM_ABS(p1, p0); \
+ (m) = _mm_max_epu8(m, MM_ABS(p3, p2)); \
+ (m) = _mm_max_epu8(m, MM_ABS(p2, p1)); \
} while (0)
#define MAX_DIFF2(p3, p2, p1, p0, m) do { \
- m = _mm_max_epu8(m, MM_ABS(p1, p0)); \
- m = _mm_max_epu8(m, MM_ABS(p3, p2)); \
- m = _mm_max_epu8(m, MM_ABS(p2, p1)); \
+ (m) = _mm_max_epu8(m, MM_ABS(p1, p0)); \
+ (m) = _mm_max_epu8(m, MM_ABS(p3, p2)); \
+ (m) = _mm_max_epu8(m, MM_ABS(p2, p1)); \
} while (0)
#define LOAD_H_EDGES4(p, stride, e1, e2, e3, e4) { \
- e1 = _mm_loadu_si128((__m128i*)&(p)[0 * stride]); \
- e2 = _mm_loadu_si128((__m128i*)&(p)[1 * stride]); \
- e3 = _mm_loadu_si128((__m128i*)&(p)[2 * stride]); \
- e4 = _mm_loadu_si128((__m128i*)&(p)[3 * stride]); \
+ (e1) = _mm_loadu_si128((__m128i*)&(p)[0 * (stride)]); \
+ (e2) = _mm_loadu_si128((__m128i*)&(p)[1 * (stride)]); \
+ (e3) = _mm_loadu_si128((__m128i*)&(p)[2 * (stride)]); \
+ (e4) = _mm_loadu_si128((__m128i*)&(p)[3 * (stride)]); \
}
#define LOADUV_H_EDGE(p, u, v, stride) do { \
const __m128i U = _mm_loadl_epi64((__m128i*)&(u)[(stride)]); \
const __m128i V = _mm_loadl_epi64((__m128i*)&(v)[(stride)]); \
- p = _mm_unpacklo_epi64(U, V); \
+ (p) = _mm_unpacklo_epi64(U, V); \
} while (0)
#define LOADUV_H_EDGES4(u, v, stride, e1, e2, e3, e4) { \
- LOADUV_H_EDGE(e1, u, v, 0 * stride); \
- LOADUV_H_EDGE(e2, u, v, 1 * stride); \
- LOADUV_H_EDGE(e3, u, v, 2 * stride); \
- LOADUV_H_EDGE(e4, u, v, 3 * stride); \
+ LOADUV_H_EDGE(e1, u, v, 0 * (stride)); \
+ LOADUV_H_EDGE(e2, u, v, 1 * (stride)); \
+ LOADUV_H_EDGE(e3, u, v, 2 * (stride)); \
+ LOADUV_H_EDGE(e4, u, v, 3 * (stride)); \
}
#define STOREUV(p, u, v, stride) { \
- _mm_storel_epi64((__m128i*)&u[(stride)], p); \
- p = _mm_srli_si128(p, 8); \
- _mm_storel_epi64((__m128i*)&v[(stride)], p); \
+ _mm_storel_epi64((__m128i*)&(u)[(stride)], p); \
+ (p) = _mm_srli_si128(p, 8); \
+ _mm_storel_epi64((__m128i*)&(v)[(stride)], p); \
}
-static WEBP_INLINE void ComplexMask(const __m128i* const p1,
- const __m128i* const p0,
- const __m128i* const q0,
- const __m128i* const q1,
- int thresh, int ithresh,
- __m128i* const mask) {
+static WEBP_INLINE void ComplexMask_SSE2(const __m128i* const p1,
+ const __m128i* const p0,
+ const __m128i* const q0,
+ const __m128i* const q1,
+ int thresh, int ithresh,
+ __m128i* const mask) {
const __m128i it = _mm_set1_epi8(ithresh);
const __m128i diff = _mm_subs_epu8(*mask, it);
const __m128i thresh_mask = _mm_cmpeq_epi8(diff, _mm_setzero_si128());
__m128i filter_mask;
- NeedsFilter(p1, p0, q0, q1, thresh, &filter_mask);
+ NeedsFilter_SSE2(p1, p0, q0, q1, thresh, &filter_mask);
*mask = _mm_and_si128(thresh_mask, filter_mask);
}
// on macroblock edges
-static void VFilter16(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter16_SSE2(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
__m128i t1;
__m128i mask;
__m128i p2, p1, p0, q0, q1, q2;
@@ -694,8 +700,8 @@ static void VFilter16(uint8_t* p, int stride,
LOAD_H_EDGES4(p, stride, q0, q1, q2, t1);
MAX_DIFF2(t1, q2, q1, q0, mask);
- ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
- DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
+ DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
// Store
_mm_storeu_si128((__m128i*)&p[-3 * stride], p2);
@@ -706,28 +712,28 @@ static void VFilter16(uint8_t* p, int stride,
_mm_storeu_si128((__m128i*)&p[+2 * stride], q2);
}
-static void HFilter16(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter16_SSE2(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
__m128i mask;
__m128i p3, p2, p1, p0, q0, q1, q2, q3;
uint8_t* const b = p - 4;
- Load16x4(b, b + 8 * stride, stride, &p3, &p2, &p1, &p0); // p3, p2, p1, p0
+ Load16x4_SSE2(b, b + 8 * stride, stride, &p3, &p2, &p1, &p0);
MAX_DIFF1(p3, p2, p1, p0, mask);
- Load16x4(p, p + 8 * stride, stride, &q0, &q1, &q2, &q3); // q0, q1, q2, q3
+ Load16x4_SSE2(p, p + 8 * stride, stride, &q0, &q1, &q2, &q3);
MAX_DIFF2(q3, q2, q1, q0, mask);
- ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
- DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
+ DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
- Store16x4(&p3, &p2, &p1, &p0, b, b + 8 * stride, stride);
- Store16x4(&q0, &q1, &q2, &q3, p, p + 8 * stride, stride);
+ Store16x4_SSE2(&p3, &p2, &p1, &p0, b, b + 8 * stride, stride);
+ Store16x4_SSE2(&q0, &q1, &q2, &q3, p, p + 8 * stride, stride);
}
// on three inner edges
-static void VFilter16i(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter16i_SSE2(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
int k;
__m128i p3, p2, p1, p0; // loop invariants
@@ -744,8 +750,8 @@ static void VFilter16i(uint8_t* p, int stride,
// p3 and p2 are not just temporary variables here: they will be
// re-used for next span. And q2/q3 will become p1/p0 accordingly.
- ComplexMask(&p1, &p0, &p3, &p2, thresh, ithresh, &mask);
- DoFilter4(&p1, &p0, &p3, &p2, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &p3, &p2, thresh, ithresh, &mask);
+ DoFilter4_SSE2(&p1, &p0, &p3, &p2, &mask, hev_thresh);
// Store
_mm_storeu_si128((__m128i*)&b[0 * stride], p1);
@@ -759,12 +765,12 @@ static void VFilter16i(uint8_t* p, int stride,
}
}
-static void HFilter16i(uint8_t* p, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter16i_SSE2(uint8_t* p, int stride,
+ int thresh, int ithresh, int hev_thresh) {
int k;
__m128i p3, p2, p1, p0; // loop invariants
- Load16x4(p, p + 8 * stride, stride, &p3, &p2, &p1, &p0); // prologue
+ Load16x4_SSE2(p, p + 8 * stride, stride, &p3, &p2, &p1, &p0); // prologue
for (k = 3; k > 0; --k) {
__m128i mask, tmp1, tmp2;
@@ -773,13 +779,13 @@ static void HFilter16i(uint8_t* p, int stride,
p += 4; // beginning of q0 (and next span)
MAX_DIFF1(p3, p2, p1, p0, mask); // compute partial mask
- Load16x4(p, p + 8 * stride, stride, &p3, &p2, &tmp1, &tmp2);
+ Load16x4_SSE2(p, p + 8 * stride, stride, &p3, &p2, &tmp1, &tmp2);
MAX_DIFF2(p3, p2, tmp1, tmp2, mask);
- ComplexMask(&p1, &p0, &p3, &p2, thresh, ithresh, &mask);
- DoFilter4(&p1, &p0, &p3, &p2, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &p3, &p2, thresh, ithresh, &mask);
+ DoFilter4_SSE2(&p1, &p0, &p3, &p2, &mask, hev_thresh);
- Store16x4(&p1, &p0, &p3, &p2, b, b + 8 * stride, stride);
+ Store16x4_SSE2(&p1, &p0, &p3, &p2, b, b + 8 * stride, stride);
// rotate samples
p1 = tmp1;
@@ -788,8 +794,8 @@ static void HFilter16i(uint8_t* p, int stride,
}
// 8-pixels wide variant, for chroma filtering
-static void VFilter8(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter8_SSE2(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
__m128i mask;
__m128i t1, p2, p1, p0, q0, q1, q2;
@@ -801,8 +807,8 @@ static void VFilter8(uint8_t* u, uint8_t* v, int stride,
LOADUV_H_EDGES4(u, v, stride, q0, q1, q2, t1);
MAX_DIFF2(t1, q2, q1, q0, mask);
- ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
- DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
+ DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
// Store
STOREUV(p2, u, v, -3 * stride);
@@ -813,28 +819,28 @@ static void VFilter8(uint8_t* u, uint8_t* v, int stride,
STOREUV(q2, u, v, 2 * stride);
}
-static void HFilter8(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter8_SSE2(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
__m128i mask;
__m128i p3, p2, p1, p0, q0, q1, q2, q3;
uint8_t* const tu = u - 4;
uint8_t* const tv = v - 4;
- Load16x4(tu, tv, stride, &p3, &p2, &p1, &p0); // p3, p2, p1, p0
+ Load16x4_SSE2(tu, tv, stride, &p3, &p2, &p1, &p0);
MAX_DIFF1(p3, p2, p1, p0, mask);
- Load16x4(u, v, stride, &q0, &q1, &q2, &q3); // q0, q1, q2, q3
+ Load16x4_SSE2(u, v, stride, &q0, &q1, &q2, &q3);
MAX_DIFF2(q3, q2, q1, q0, mask);
- ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
- DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
+ DoFilter6_SSE2(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh);
- Store16x4(&p3, &p2, &p1, &p0, tu, tv, stride);
- Store16x4(&q0, &q1, &q2, &q3, u, v, stride);
+ Store16x4_SSE2(&p3, &p2, &p1, &p0, tu, tv, stride);
+ Store16x4_SSE2(&q0, &q1, &q2, &q3, u, v, stride);
}
-static void VFilter8i(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void VFilter8i_SSE2(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
__m128i mask;
__m128i t1, t2, p1, p0, q0, q1;
@@ -849,8 +855,8 @@ static void VFilter8i(uint8_t* u, uint8_t* v, int stride,
LOADUV_H_EDGES4(u, v, stride, q0, q1, t1, t2);
MAX_DIFF2(t2, t1, q1, q0, mask);
- ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
- DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
+ DoFilter4_SSE2(&p1, &p0, &q0, &q1, &mask, hev_thresh);
// Store
STOREUV(p1, u, v, -2 * stride);
@@ -859,24 +865,24 @@ static void VFilter8i(uint8_t* u, uint8_t* v, int stride,
STOREUV(q1, u, v, 1 * stride);
}
-static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
- int thresh, int ithresh, int hev_thresh) {
+static void HFilter8i_SSE2(uint8_t* u, uint8_t* v, int stride,
+ int thresh, int ithresh, int hev_thresh) {
__m128i mask;
__m128i t1, t2, p1, p0, q0, q1;
- Load16x4(u, v, stride, &t2, &t1, &p1, &p0); // p3, p2, p1, p0
+ Load16x4_SSE2(u, v, stride, &t2, &t1, &p1, &p0); // p3, p2, p1, p0
MAX_DIFF1(t2, t1, p1, p0, mask);
u += 4; // beginning of q0
v += 4;
- Load16x4(u, v, stride, &q0, &q1, &t1, &t2); // q0, q1, q2, q3
+ Load16x4_SSE2(u, v, stride, &q0, &q1, &t1, &t2); // q0, q1, q2, q3
MAX_DIFF2(t2, t1, q1, q0, mask);
- ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
- DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh);
+ ComplexMask_SSE2(&p1, &p0, &q0, &q1, thresh, ithresh, &mask);
+ DoFilter4_SSE2(&p1, &p0, &q0, &q1, &mask, hev_thresh);
u -= 2; // beginning of p1
v -= 2;
- Store16x4(&p1, &p0, &q0, &q1, u, v, stride);
+ Store16x4_SSE2(&p1, &p0, &q0, &q1, u, v, stride);
}
//------------------------------------------------------------------------------
@@ -893,7 +899,7 @@ static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
// where: AC = (a + b + 1) >> 1, BC = (b + c + 1) >> 1
// and ab = a ^ b, bc = b ^ c, lsb = (AC^BC)&1
-static void VE4(uint8_t* dst) { // vertical
+static void VE4_SSE2(uint8_t* dst) { // vertical
const __m128i one = _mm_set1_epi8(1);
const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(dst - BPS - 1));
const __m128i BCDEFGH0 = _mm_srli_si128(ABCDEFGH, 1);
@@ -909,7 +915,7 @@ static void VE4(uint8_t* dst) { // vertical
}
}
-static void LD4(uint8_t* dst) { // Down-Left
+static void LD4_SSE2(uint8_t* dst) { // Down-Left
const __m128i one = _mm_set1_epi8(1);
const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(dst - BPS));
const __m128i BCDEFGH0 = _mm_srli_si128(ABCDEFGH, 1);
@@ -925,7 +931,7 @@ static void LD4(uint8_t* dst) { // Down-Left
WebPUint32ToMem(dst + 3 * BPS, _mm_cvtsi128_si32(_mm_srli_si128(abcdefg, 3)));
}
-static void VR4(uint8_t* dst) { // Vertical-Right
+static void VR4_SSE2(uint8_t* dst) { // Vertical-Right
const __m128i one = _mm_set1_epi8(1);
const int I = dst[-1 + 0 * BPS];
const int J = dst[-1 + 1 * BPS];
@@ -950,7 +956,7 @@ static void VR4(uint8_t* dst) { // Vertical-Right
DST(0, 3) = AVG3(K, J, I);
}
-static void VL4(uint8_t* dst) { // Vertical-Left
+static void VL4_SSE2(uint8_t* dst) { // Vertical-Left
const __m128i one = _mm_set1_epi8(1);
const __m128i ABCDEFGH = _mm_loadl_epi64((__m128i*)(dst - BPS));
const __m128i BCDEFGH_ = _mm_srli_si128(ABCDEFGH, 1);
@@ -975,7 +981,7 @@ static void VL4(uint8_t* dst) { // Vertical-Left
DST(3, 3) = (extra_out >> 8) & 0xff;
}
-static void RD4(uint8_t* dst) { // Down-right
+static void RD4_SSE2(uint8_t* dst) { // Down-right
const __m128i one = _mm_set1_epi8(1);
const __m128i XABCD = _mm_loadl_epi64((__m128i*)(dst - BPS - 1));
const __m128i ____XABCD = _mm_slli_si128(XABCD, 4);
@@ -1004,7 +1010,7 @@ static void RD4(uint8_t* dst) { // Down-right
//------------------------------------------------------------------------------
// Luma 16x16
-static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
+static WEBP_INLINE void TrueMotion_SSE2(uint8_t* dst, int size) {
const uint8_t* top = dst - BPS;
const __m128i zero = _mm_setzero_si128();
int y;
@@ -1041,11 +1047,11 @@ static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
}
}
-static void TM4(uint8_t* dst) { TrueMotion(dst, 4); }
-static void TM8uv(uint8_t* dst) { TrueMotion(dst, 8); }
-static void TM16(uint8_t* dst) { TrueMotion(dst, 16); }
+static void TM4_SSE2(uint8_t* dst) { TrueMotion_SSE2(dst, 4); }
+static void TM8uv_SSE2(uint8_t* dst) { TrueMotion_SSE2(dst, 8); }
+static void TM16_SSE2(uint8_t* dst) { TrueMotion_SSE2(dst, 16); }
-static void VE16(uint8_t* dst) {
+static void VE16_SSE2(uint8_t* dst) {
const __m128i top = _mm_loadu_si128((const __m128i*)(dst - BPS));
int j;
for (j = 0; j < 16; ++j) {
@@ -1053,7 +1059,7 @@ static void VE16(uint8_t* dst) {
}
}
-static void HE16(uint8_t* dst) { // horizontal
+static void HE16_SSE2(uint8_t* dst) { // horizontal
int j;
for (j = 16; j > 0; --j) {
const __m128i values = _mm_set1_epi8(dst[-1]);
@@ -1062,7 +1068,7 @@ static void HE16(uint8_t* dst) { // horizontal
}
}
-static WEBP_INLINE void Put16(uint8_t v, uint8_t* dst) {
+static WEBP_INLINE void Put16_SSE2(uint8_t v, uint8_t* dst) {
int j;
const __m128i values = _mm_set1_epi8(v);
for (j = 0; j < 16; ++j) {
@@ -1070,7 +1076,7 @@ static WEBP_INLINE void Put16(uint8_t v, uint8_t* dst) {
}
}
-static void DC16(uint8_t* dst) { // DC
+static void DC16_SSE2(uint8_t* dst) { // DC
const __m128i zero = _mm_setzero_si128();
const __m128i top = _mm_loadu_si128((const __m128i*)(dst - BPS));
const __m128i sad8x2 = _mm_sad_epu8(top, zero);
@@ -1083,37 +1089,37 @@ static void DC16(uint8_t* dst) { // DC
}
{
const int DC = _mm_cvtsi128_si32(sum) + left + 16;
- Put16(DC >> 5, dst);
+ Put16_SSE2(DC >> 5, dst);
}
}
-static void DC16NoTop(uint8_t* dst) { // DC with top samples not available
+static void DC16NoTop_SSE2(uint8_t* dst) { // DC with top samples unavailable
int DC = 8;
int j;
for (j = 0; j < 16; ++j) {
DC += dst[-1 + j * BPS];
}
- Put16(DC >> 4, dst);
+ Put16_SSE2(DC >> 4, dst);
}
-static void DC16NoLeft(uint8_t* dst) { // DC with left samples not available
+static void DC16NoLeft_SSE2(uint8_t* dst) { // DC with left samples unavailable
const __m128i zero = _mm_setzero_si128();
const __m128i top = _mm_loadu_si128((const __m128i*)(dst - BPS));
const __m128i sad8x2 = _mm_sad_epu8(top, zero);
// sum the two sads: sad8x2[0:1] + sad8x2[8:9]
const __m128i sum = _mm_add_epi16(sad8x2, _mm_shuffle_epi32(sad8x2, 2));
const int DC = _mm_cvtsi128_si32(sum) + 8;
- Put16(DC >> 4, dst);
+ Put16_SSE2(DC >> 4, dst);
}
-static void DC16NoTopLeft(uint8_t* dst) { // DC with no top and left samples
- Put16(0x80, dst);
+static void DC16NoTopLeft_SSE2(uint8_t* dst) { // DC with no top & left samples
+ Put16_SSE2(0x80, dst);
}
//------------------------------------------------------------------------------
// Chroma
-static void VE8uv(uint8_t* dst) { // vertical
+static void VE8uv_SSE2(uint8_t* dst) { // vertical
int j;
const __m128i top = _mm_loadl_epi64((const __m128i*)(dst - BPS));
for (j = 0; j < 8; ++j) {
@@ -1121,17 +1127,8 @@ static void VE8uv(uint8_t* dst) { // vertical
}
}
-static void HE8uv(uint8_t* dst) { // horizontal
- int j;
- for (j = 0; j < 8; ++j) {
- const __m128i values = _mm_set1_epi8(dst[-1]);
- _mm_storel_epi64((__m128i*)dst, values);
- dst += BPS;
- }
-}
-
// helper for chroma-DC predictions
-static WEBP_INLINE void Put8x8uv(uint8_t v, uint8_t* dst) {
+static WEBP_INLINE void Put8x8uv_SSE2(uint8_t v, uint8_t* dst) {
int j;
const __m128i values = _mm_set1_epi8(v);
for (j = 0; j < 8; ++j) {
@@ -1139,7 +1136,7 @@ static WEBP_INLINE void Put8x8uv(uint8_t v, uint8_t* dst) {
}
}
-static void DC8uv(uint8_t* dst) { // DC
+static void DC8uv_SSE2(uint8_t* dst) { // DC
const __m128i zero = _mm_setzero_si128();
const __m128i top = _mm_loadl_epi64((const __m128i*)(dst - BPS));
const __m128i sum = _mm_sad_epu8(top, zero);
@@ -1150,29 +1147,29 @@ static void DC8uv(uint8_t* dst) { // DC
}
{
const int DC = _mm_cvtsi128_si32(sum) + left + 8;
- Put8x8uv(DC >> 4, dst);
+ Put8x8uv_SSE2(DC >> 4, dst);
}
}
-static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples
+static void DC8uvNoLeft_SSE2(uint8_t* dst) { // DC with no left samples
const __m128i zero = _mm_setzero_si128();
const __m128i top = _mm_loadl_epi64((const __m128i*)(dst - BPS));
const __m128i sum = _mm_sad_epu8(top, zero);
const int DC = _mm_cvtsi128_si32(sum) + 4;
- Put8x8uv(DC >> 3, dst);
+ Put8x8uv_SSE2(DC >> 3, dst);
}
-static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples
+static void DC8uvNoTop_SSE2(uint8_t* dst) { // DC with no top samples
int dc0 = 4;
int i;
for (i = 0; i < 8; ++i) {
dc0 += dst[-1 + i * BPS];
}
- Put8x8uv(dc0 >> 3, dst);
+ Put8x8uv_SSE2(dc0 >> 3, dst);
}
-static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing
- Put8x8uv(0x80, dst);
+static void DC8uvNoTopLeft_SSE2(uint8_t* dst) { // DC with nothing
+ Put8x8uv_SSE2(0x80, dst);
}
//------------------------------------------------------------------------------
@@ -1181,47 +1178,46 @@ static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing
extern void VP8DspInitSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE2(void) {
- VP8Transform = Transform;
-#if defined(USE_TRANSFORM_AC3)
- VP8TransformAC3 = TransformAC3;
+ VP8Transform = Transform_SSE2;
+#if (USE_TRANSFORM_AC3 == 1)
+ VP8TransformAC3 = TransformAC3_SSE2;
#endif
- VP8VFilter16 = VFilter16;
- VP8HFilter16 = HFilter16;
- VP8VFilter8 = VFilter8;
- VP8HFilter8 = HFilter8;
- VP8VFilter16i = VFilter16i;
- VP8HFilter16i = HFilter16i;
- VP8VFilter8i = VFilter8i;
- VP8HFilter8i = HFilter8i;
-
- VP8SimpleVFilter16 = SimpleVFilter16;
- VP8SimpleHFilter16 = SimpleHFilter16;
- VP8SimpleVFilter16i = SimpleVFilter16i;
- VP8SimpleHFilter16i = SimpleHFilter16i;
-
- VP8PredLuma4[1] = TM4;
- VP8PredLuma4[2] = VE4;
- VP8PredLuma4[4] = RD4;
- VP8PredLuma4[5] = VR4;
- VP8PredLuma4[6] = LD4;
- VP8PredLuma4[7] = VL4;
-
- VP8PredLuma16[0] = DC16;
- VP8PredLuma16[1] = TM16;
- VP8PredLuma16[2] = VE16;
- VP8PredLuma16[3] = HE16;
- VP8PredLuma16[4] = DC16NoTop;
- VP8PredLuma16[5] = DC16NoLeft;
- VP8PredLuma16[6] = DC16NoTopLeft;
-
- VP8PredChroma8[0] = DC8uv;
- VP8PredChroma8[1] = TM8uv;
- VP8PredChroma8[2] = VE8uv;
- VP8PredChroma8[3] = HE8uv;
- VP8PredChroma8[4] = DC8uvNoTop;
- VP8PredChroma8[5] = DC8uvNoLeft;
- VP8PredChroma8[6] = DC8uvNoTopLeft;
+ VP8VFilter16 = VFilter16_SSE2;
+ VP8HFilter16 = HFilter16_SSE2;
+ VP8VFilter8 = VFilter8_SSE2;
+ VP8HFilter8 = HFilter8_SSE2;
+ VP8VFilter16i = VFilter16i_SSE2;
+ VP8HFilter16i = HFilter16i_SSE2;
+ VP8VFilter8i = VFilter8i_SSE2;
+ VP8HFilter8i = HFilter8i_SSE2;
+
+ VP8SimpleVFilter16 = SimpleVFilter16_SSE2;
+ VP8SimpleHFilter16 = SimpleHFilter16_SSE2;
+ VP8SimpleVFilter16i = SimpleVFilter16i_SSE2;
+ VP8SimpleHFilter16i = SimpleHFilter16i_SSE2;
+
+ VP8PredLuma4[1] = TM4_SSE2;
+ VP8PredLuma4[2] = VE4_SSE2;
+ VP8PredLuma4[4] = RD4_SSE2;
+ VP8PredLuma4[5] = VR4_SSE2;
+ VP8PredLuma4[6] = LD4_SSE2;
+ VP8PredLuma4[7] = VL4_SSE2;
+
+ VP8PredLuma16[0] = DC16_SSE2;
+ VP8PredLuma16[1] = TM16_SSE2;
+ VP8PredLuma16[2] = VE16_SSE2;
+ VP8PredLuma16[3] = HE16_SSE2;
+ VP8PredLuma16[4] = DC16NoTop_SSE2;
+ VP8PredLuma16[5] = DC16NoLeft_SSE2;
+ VP8PredLuma16[6] = DC16NoTopLeft_SSE2;
+
+ VP8PredChroma8[0] = DC8uv_SSE2;
+ VP8PredChroma8[1] = TM8uv_SSE2;
+ VP8PredChroma8[2] = VE8uv_SSE2;
+ VP8PredChroma8[4] = DC8uvNoTop_SSE2;
+ VP8PredChroma8[5] = DC8uvNoLeft_SSE2;
+ VP8PredChroma8[6] = DC8uvNoTopLeft_SSE2;
}
#else // !WEBP_USE_SSE2
diff --git a/media/libwebp/dsp/dec_sse41.c b/media/libwebp/dsp/dec_sse41.c
index 4e81ec4d8..02deae956 100644
--- a/media/libwebp/dsp/dec_sse41.c
+++ b/media/libwebp/dsp/dec_sse41.c
@@ -11,7 +11,7 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE41)
@@ -19,7 +19,7 @@
#include "../dec/vp8i_dec.h"
#include "../utils/utils.h"
-static void HE16(uint8_t* dst) { // horizontal
+static void HE16_SSE41(uint8_t* dst) { // horizontal
int j;
const __m128i kShuffle3 = _mm_set1_epi8(3);
for (j = 16; j > 0; --j) {
@@ -36,7 +36,7 @@ static void HE16(uint8_t* dst) { // horizontal
extern void VP8DspInitSSE41(void);
WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE41(void) {
- VP8PredLuma16[3] = HE16;
+ VP8PredLuma16[3] = HE16_SSE41;
}
#else // !WEBP_USE_SSE41
diff --git a/media/libwebp/dsp/dsp.h b/media/libwebp/dsp/dsp.h
index 813fed4a3..537ea2044 100644
--- a/media/libwebp/dsp/dsp.h
+++ b/media/libwebp/dsp/dsp.h
@@ -38,10 +38,22 @@ extern "C" {
# define LOCAL_GCC_PREREQ(maj, min) 0
#endif
+#if defined(__clang__)
+# define LOCAL_CLANG_VERSION ((__clang_major__ << 8) | __clang_minor__)
+# define LOCAL_CLANG_PREREQ(maj, min) \
+ (LOCAL_CLANG_VERSION >= (((maj) << 8) | (min)))
+#else
+# define LOCAL_CLANG_VERSION 0
+# define LOCAL_CLANG_PREREQ(maj, min) 0
+#endif
+
#ifndef __has_builtin
# define __has_builtin(x) 0
#endif
+// for now, none of the optimizations below are available in emscripten
+#if !defined(EMSCRIPTEN)
+
#if defined(_MSC_VER) && _MSC_VER > 1310 && \
(defined(_M_X64) || defined(_M_IX86))
#define WEBP_MSC_SSE2 // Visual C++ SSE2 targets
@@ -68,18 +80,20 @@ extern "C" {
#define WEBP_USE_AVX2
#endif
-#if defined(__ANDROID__) && defined(__ARM_ARCH_7A__)
-#define WEBP_ANDROID_NEON // Android targets that might support NEON
-#endif
-
// The intrinsics currently cause compiler errors with arm-nacl-gcc and the
// inline assembly would need to be modified for use with Native Client.
-#if (defined(__ARM_NEON__) || defined(WEBP_ANDROID_NEON) || \
+#if (defined(__ARM_NEON__) || \
defined(__aarch64__) || defined(WEBP_HAVE_NEON)) && \
!defined(__native_client__)
#define WEBP_USE_NEON
#endif
+#if !defined(WEBP_USE_NEON) && defined(__ANDROID__) && \
+ defined(__ARM_ARCH_7A__) && defined(HAVE_CPU_FEATURES_H)
+#define WEBP_ANDROID_NEON // Android targets that may have NEON
+#define WEBP_USE_NEON
+#endif
+
#if defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_M_ARM)
#define WEBP_USE_NEON
#define WEBP_USE_INTRINSICS
@@ -90,7 +104,7 @@ extern "C" {
#define WEBP_USE_MIPS32
#if (__mips_isa_rev >= 2)
#define WEBP_USE_MIPS32_R2
-#if defined(__mips_dspr2) || (__mips_dsp_rev >= 2)
+#if defined(__mips_dspr2) || (defined(__mips_dsp_rev) && __mips_dsp_rev >= 2)
#define WEBP_USE_MIPS_DSP_R2
#endif
#endif
@@ -100,6 +114,24 @@ extern "C" {
#define WEBP_USE_MSA
#endif
+#endif /* EMSCRIPTEN */
+
+#ifndef WEBP_DSP_OMIT_C_CODE
+#define WEBP_DSP_OMIT_C_CODE 1
+#endif
+
+#if (defined(__aarch64__) || defined(__ARM_NEON__)) && WEBP_DSP_OMIT_C_CODE
+#define WEBP_NEON_OMIT_C_CODE 1
+#else
+#define WEBP_NEON_OMIT_C_CODE 0
+#endif
+
+#if !(LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,8) || defined(__aarch64__))
+#define WEBP_NEON_WORK_AROUND_GCC 1
+#else
+#define WEBP_NEON_WORK_AROUND_GCC 0
+#endif
+
// This macro prevents thread_sanitizer from reporting known concurrent writes.
#define WEBP_TSAN_IGNORE_FUNCTION
#if defined(__has_feature)
@@ -109,6 +141,42 @@ extern "C" {
#endif
#endif
+#if defined(WEBP_USE_THREAD) && !defined(_WIN32)
+#include <pthread.h> // NOLINT
+
+#define WEBP_DSP_INIT(func) do { \
+ static volatile VP8CPUInfo func ## _last_cpuinfo_used = \
+ (VP8CPUInfo)&func ## _last_cpuinfo_used; \
+ static pthread_mutex_t func ## _lock = PTHREAD_MUTEX_INITIALIZER; \
+ if (pthread_mutex_lock(&func ## _lock)) break; \
+ if (func ## _last_cpuinfo_used != VP8GetCPUInfo) func(); \
+ func ## _last_cpuinfo_used = VP8GetCPUInfo; \
+ (void)pthread_mutex_unlock(&func ## _lock); \
+} while (0)
+#else // !(defined(WEBP_USE_THREAD) && !defined(_WIN32))
+#define WEBP_DSP_INIT(func) do { \
+ static volatile VP8CPUInfo func ## _last_cpuinfo_used = \
+ (VP8CPUInfo)&func ## _last_cpuinfo_used; \
+ if (func ## _last_cpuinfo_used == VP8GetCPUInfo) break; \
+ func(); \
+ func ## _last_cpuinfo_used = VP8GetCPUInfo; \
+} while (0)
+#endif // defined(WEBP_USE_THREAD) && !defined(_WIN32)
+
+// Defines an Init + helper function that control multiple initialization of
+// function pointers / tables.
+/* Usage:
+ WEBP_DSP_INIT_FUNC(InitFunc) {
+ ...function body
+ }
+*/
+#define WEBP_DSP_INIT_FUNC(name) \
+ static WEBP_TSAN_IGNORE_FUNCTION void name ## _body(void); \
+ WEBP_TSAN_IGNORE_FUNCTION void name(void) { \
+ WEBP_DSP_INIT(name ## _body); \
+ } \
+ static WEBP_TSAN_IGNORE_FUNCTION void name ## _body(void)
+
#define WEBP_UBSAN_IGNORE_UNDEF
#define WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW
#if defined(__clang__) && defined(__has_attribute)
@@ -129,6 +197,18 @@ extern "C" {
#endif
#endif
+// Regularize the definition of WEBP_SWAP_16BIT_CSP (backward compatibility)
+#if !defined(WEBP_SWAP_16BIT_CSP)
+#define WEBP_SWAP_16BIT_CSP 0
+#endif
+
+// some endian fix (e.g.: mips-gcc doesn't define __BIG_ENDIAN__)
+#if !defined(WORDS_BIGENDIAN) && \
+ (defined(__BIG_ENDIAN__) || defined(_M_PPC) || \
+ (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)))
+#define WORDS_BIGENDIAN
+#endif
+
typedef enum {
kSSE2,
kSSE3,
@@ -143,7 +223,7 @@ typedef enum {
} CPUFeature;
// returns true if the CPU supports the feature.
typedef int (*VP8CPUInfo)(CPUFeature feature);
-WEBP_EXTERN(VP8CPUInfo) VP8GetCPUInfo;
+WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo;
//------------------------------------------------------------------------------
// Init stub generator
@@ -152,7 +232,7 @@ WEBP_EXTERN(VP8CPUInfo) VP8GetCPUInfo;
// avoiding a compiler warning.
#define WEBP_DSP_INIT_STUB(func) \
extern void func(void); \
- WEBP_TSAN_IGNORE_FUNCTION void func(void) {}
+ void func(void) {}
//------------------------------------------------------------------------------
// Encoding
@@ -271,6 +351,7 @@ typedef double (*VP8SSIMGetClippedFunc)(const uint8_t* src1, int stride1,
int xo, int yo, // center position
int W, int H); // plane dimension
+#if !defined(WEBP_REDUCE_SIZE)
// This version is called with the guarantee that you can load 8 bytes and
// 8 rows at offset src1 and src2
typedef double (*VP8SSIMGetFunc)(const uint8_t* src1, int stride1,
@@ -278,10 +359,13 @@ typedef double (*VP8SSIMGetFunc)(const uint8_t* src1, int stride1,
extern VP8SSIMGetFunc VP8SSIMGet; // unclipped / unchecked
extern VP8SSIMGetClippedFunc VP8SSIMGetClipped; // with clipping
+#endif
+#if !defined(WEBP_DISABLE_STATS)
typedef uint32_t (*VP8AccumulateSSEFunc)(const uint8_t* src1,
const uint8_t* src2, int len);
extern VP8AccumulateSSEFunc VP8AccumulateSSE;
+#endif
// must be called before using any of the above directly
void VP8SSIMDspInit(void);
@@ -462,12 +546,12 @@ extern WebPRescalerExportRowFunc WebPRescalerExportRowExpand;
extern WebPRescalerExportRowFunc WebPRescalerExportRowShrink;
// Plain-C implementation, as fall-back.
-extern void WebPRescalerImportRowExpandC(struct WebPRescaler* const wrk,
- const uint8_t* src);
-extern void WebPRescalerImportRowShrinkC(struct WebPRescaler* const wrk,
- const uint8_t* src);
-extern void WebPRescalerExportRowExpandC(struct WebPRescaler* const wrk);
-extern void WebPRescalerExportRowShrinkC(struct WebPRescaler* const wrk);
+extern void WebPRescalerImportRowExpand_C(struct WebPRescaler* const wrk,
+ const uint8_t* src);
+extern void WebPRescalerImportRowShrink_C(struct WebPRescaler* const wrk,
+ const uint8_t* src);
+extern void WebPRescalerExportRowExpand_C(struct WebPRescaler* const wrk);
+extern void WebPRescalerExportRowShrink_C(struct WebPRescaler* const wrk);
// Main entry calls:
extern void WebPRescalerImportRow(struct WebPRescaler* const wrk,
@@ -533,24 +617,28 @@ void WebPMultRows(uint8_t* ptr, int stride,
int width, int num_rows, int inverse);
// Plain-C versions, used as fallback by some implementations.
-void WebPMultRowC(uint8_t* const ptr, const uint8_t* const alpha,
- int width, int inverse);
-void WebPMultARGBRowC(uint32_t* const ptr, int width, int inverse);
-
-// To be called first before using the above.
-void WebPInitAlphaProcessing(void);
+void WebPMultRow_C(uint8_t* const ptr, const uint8_t* const alpha,
+ int width, int inverse);
+void WebPMultARGBRow_C(uint32_t* const ptr, int width, int inverse);
+#ifdef WORDS_BIGENDIAN
// ARGB packing function: a/r/g/b input is rgba or bgra order.
-extern void (*VP8PackARGB)(const uint8_t* a, const uint8_t* r,
- const uint8_t* g, const uint8_t* b, int len,
- uint32_t* out);
+extern void (*WebPPackARGB)(const uint8_t* a, const uint8_t* r,
+ const uint8_t* g, const uint8_t* b, int len,
+ uint32_t* out);
+#endif
// RGB packing function. 'step' can be 3 or 4. r/g/b input is rgb or bgr order.
-extern void (*VP8PackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b,
- int len, int step, uint32_t* out);
+extern void (*WebPPackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b,
+ int len, int step, uint32_t* out);
+
+// This function returns true if src[i] contains a value different from 0xff.
+extern int (*WebPHasAlpha8b)(const uint8_t* src, int length);
+// This function returns true if src[4*i] contains a value different from 0xff.
+extern int (*WebPHasAlpha32b)(const uint8_t* src, int length);
// To be called first before using the above.
-void VP8EncDspARGBInit(void);
+void WebPInitAlphaProcessing(void);
//------------------------------------------------------------------------------
// Filter functions
diff --git a/media/libwebp/dsp/filters.c b/media/libwebp/dsp/filters.c
index 65f34aad1..dea3eb410 100644
--- a/media/libwebp/dsp/filters.c
+++ b/media/libwebp/dsp/filters.c
@@ -11,7 +11,7 @@
//
// Author: Urvang (urvang@google.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
@@ -20,16 +20,17 @@
// Helpful macro.
# define SANITY_CHECK(in, out) \
- assert(in != NULL); \
- assert(out != NULL); \
+ assert((in) != NULL); \
+ assert((out) != NULL); \
assert(width > 0); \
assert(height > 0); \
assert(stride >= width); \
assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \
(void)height; // Silence unused warning.
-static WEBP_INLINE void PredictLine(const uint8_t* src, const uint8_t* pred,
- uint8_t* dst, int length, int inverse) {
+#if !WEBP_NEON_OMIT_C_CODE
+static WEBP_INLINE void PredictLine_C(const uint8_t* src, const uint8_t* pred,
+ uint8_t* dst, int length, int inverse) {
int i;
if (inverse) {
for (i = 0; i < length; ++i) dst[i] = src[i] + pred[i];
@@ -41,10 +42,10 @@ static WEBP_INLINE void PredictLine(const uint8_t* src, const uint8_t* pred,
//------------------------------------------------------------------------------
// Horizontal filter.
-static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
- int width, int height, int stride,
- int row, int num_rows,
- int inverse, uint8_t* out) {
+static WEBP_INLINE void DoHorizontalFilter_C(const uint8_t* in,
+ int width, int height, int stride,
+ int row, int num_rows,
+ int inverse, uint8_t* out) {
const uint8_t* preds;
const size_t start_offset = row * stride;
const int last_row = row + num_rows;
@@ -56,7 +57,7 @@ static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
if (row == 0) {
// Leftmost pixel is the same as input for topmost scanline.
out[0] = in[0];
- PredictLine(in + 1, preds, out + 1, width - 1, inverse);
+ PredictLine_C(in + 1, preds, out + 1, width - 1, inverse);
row = 1;
preds += stride;
in += stride;
@@ -66,8 +67,8 @@ static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
// Filter line-by-line.
while (row < last_row) {
// Leftmost pixel is predicted from above.
- PredictLine(in, preds - stride, out, 1, inverse);
- PredictLine(in + 1, preds, out + 1, width - 1, inverse);
+ PredictLine_C(in, preds - stride, out, 1, inverse);
+ PredictLine_C(in + 1, preds, out + 1, width - 1, inverse);
++row;
preds += stride;
in += stride;
@@ -78,10 +79,10 @@ static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
//------------------------------------------------------------------------------
// Vertical filter.
-static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
- int width, int height, int stride,
- int row, int num_rows,
- int inverse, uint8_t* out) {
+static WEBP_INLINE void DoVerticalFilter_C(const uint8_t* in,
+ int width, int height, int stride,
+ int row, int num_rows,
+ int inverse, uint8_t* out) {
const uint8_t* preds;
const size_t start_offset = row * stride;
const int last_row = row + num_rows;
@@ -94,7 +95,7 @@ static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
// Very first top-left pixel is copied.
out[0] = in[0];
// Rest of top scan-line is left-predicted.
- PredictLine(in + 1, preds, out + 1, width - 1, inverse);
+ PredictLine_C(in + 1, preds, out + 1, width - 1, inverse);
row = 1;
in += stride;
out += stride;
@@ -105,26 +106,28 @@ static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
// Filter line-by-line.
while (row < last_row) {
- PredictLine(in, preds, out, width, inverse);
+ PredictLine_C(in, preds, out, width, inverse);
++row;
preds += stride;
in += stride;
out += stride;
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
//------------------------------------------------------------------------------
// Gradient filter.
-static WEBP_INLINE int GradientPredictor(uint8_t a, uint8_t b, uint8_t c) {
+static WEBP_INLINE int GradientPredictor_C(uint8_t a, uint8_t b, uint8_t c) {
const int g = a + b - c;
return ((g & ~0xff) == 0) ? g : (g < 0) ? 0 : 255; // clip to 8bit
}
-static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
- int width, int height, int stride,
- int row, int num_rows,
- int inverse, uint8_t* out) {
+#if !WEBP_NEON_OMIT_C_CODE
+static WEBP_INLINE void DoGradientFilter_C(const uint8_t* in,
+ int width, int height, int stride,
+ int row, int num_rows,
+ int inverse, uint8_t* out) {
const uint8_t* preds;
const size_t start_offset = row * stride;
const int last_row = row + num_rows;
@@ -136,7 +139,7 @@ static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
// left prediction for top scan-line
if (row == 0) {
out[0] = in[0];
- PredictLine(in + 1, preds, out + 1, width - 1, inverse);
+ PredictLine_C(in + 1, preds, out + 1, width - 1, inverse);
row = 1;
preds += stride;
in += stride;
@@ -147,11 +150,11 @@ static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
while (row < last_row) {
int w;
// leftmost pixel: predict from above.
- PredictLine(in, preds - stride, out, 1, inverse);
+ PredictLine_C(in, preds - stride, out, 1, inverse);
for (w = 1; w < width; ++w) {
- const int pred = GradientPredictor(preds[w - 1],
- preds[w - stride],
- preds[w - stride - 1]);
+ const int pred = GradientPredictor_C(preds[w - 1],
+ preds[w - stride],
+ preds[w - stride - 1]);
out[w] = in[w] + (inverse ? pred : -pred);
}
++row;
@@ -160,32 +163,34 @@ static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
out += stride;
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
#undef SANITY_CHECK
//------------------------------------------------------------------------------
-static void HorizontalFilter(const uint8_t* data, int width, int height,
- int stride, uint8_t* filtered_data) {
- DoHorizontalFilter(data, width, height, stride, 0, height, 0, filtered_data);
+#if !WEBP_NEON_OMIT_C_CODE
+static void HorizontalFilter_C(const uint8_t* data, int width, int height,
+ int stride, uint8_t* filtered_data) {
+ DoHorizontalFilter_C(data, width, height, stride, 0, height, 0,
+ filtered_data);
}
-static void VerticalFilter(const uint8_t* data, int width, int height,
- int stride, uint8_t* filtered_data) {
- DoVerticalFilter(data, width, height, stride, 0, height, 0, filtered_data);
+static void VerticalFilter_C(const uint8_t* data, int width, int height,
+ int stride, uint8_t* filtered_data) {
+ DoVerticalFilter_C(data, width, height, stride, 0, height, 0, filtered_data);
}
-
-static void GradientFilter(const uint8_t* data, int width, int height,
- int stride, uint8_t* filtered_data) {
- DoGradientFilter(data, width, height, stride, 0, height, 0, filtered_data);
+static void GradientFilter_C(const uint8_t* data, int width, int height,
+ int stride, uint8_t* filtered_data) {
+ DoGradientFilter_C(data, width, height, stride, 0, height, 0, filtered_data);
}
-
+#endif // !WEBP_NEON_OMIT_C_CODE
//------------------------------------------------------------------------------
-static void HorizontalUnfilter(const uint8_t* prev, const uint8_t* in,
- uint8_t* out, int width) {
+static void HorizontalUnfilter_C(const uint8_t* prev, const uint8_t* in,
+ uint8_t* out, int width) {
uint8_t pred = (prev == NULL) ? 0 : prev[0];
int i;
for (i = 0; i < width; ++i) {
@@ -194,26 +199,28 @@ static void HorizontalUnfilter(const uint8_t* prev, const uint8_t* in,
}
}
-static void VerticalUnfilter(const uint8_t* prev, const uint8_t* in,
- uint8_t* out, int width) {
+#if !WEBP_NEON_OMIT_C_CODE
+static void VerticalUnfilter_C(const uint8_t* prev, const uint8_t* in,
+ uint8_t* out, int width) {
if (prev == NULL) {
- HorizontalUnfilter(NULL, in, out, width);
+ HorizontalUnfilter_C(NULL, in, out, width);
} else {
int i;
for (i = 0; i < width; ++i) out[i] = prev[i] + in[i];
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
-static void GradientUnfilter(const uint8_t* prev, const uint8_t* in,
- uint8_t* out, int width) {
+static void GradientUnfilter_C(const uint8_t* prev, const uint8_t* in,
+ uint8_t* out, int width) {
if (prev == NULL) {
- HorizontalUnfilter(NULL, in, out, width);
+ HorizontalUnfilter_C(NULL, in, out, width);
} else {
uint8_t top = prev[0], top_left = top, left = top;
int i;
for (i = 0; i < width; ++i) {
top = prev[i]; // need to read this first, in case prev==out
- left = in[i] + GradientPredictor(left, top, top_left);
+ left = in[i] + GradientPredictor_C(left, top, top_left);
top_left = top;
out[i] = left;
}
@@ -231,21 +238,20 @@ extern void VP8FiltersInitMSA(void);
extern void VP8FiltersInitNEON(void);
extern void VP8FiltersInitSSE2(void);
-static volatile VP8CPUInfo filters_last_cpuinfo_used =
- (VP8CPUInfo)&filters_last_cpuinfo_used;
-
-WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInit(void) {
- if (filters_last_cpuinfo_used == VP8GetCPUInfo) return;
-
+WEBP_DSP_INIT_FUNC(VP8FiltersInit) {
WebPUnfilters[WEBP_FILTER_NONE] = NULL;
- WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter;
- WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter;
- WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter;
+#if !WEBP_NEON_OMIT_C_CODE
+ WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_C;
+ WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_C;
+#endif
+ WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter_C;
WebPFilters[WEBP_FILTER_NONE] = NULL;
- WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter;
- WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter;
- WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter;
+#if !WEBP_NEON_OMIT_C_CODE
+ WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_C;
+ WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_C;
+ WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_C;
+#endif
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
@@ -253,11 +259,6 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInit(void) {
VP8FiltersInitSSE2();
}
#endif
-#if defined(WEBP_USE_NEON)
- if (VP8GetCPUInfo(kNEON)) {
- VP8FiltersInitNEON();
- }
-#endif
#if defined(WEBP_USE_MIPS_DSP_R2)
if (VP8GetCPUInfo(kMIPSdspR2)) {
VP8FiltersInitMIPSdspR2();
@@ -269,5 +270,18 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInit(void) {
}
#endif
}
- filters_last_cpuinfo_used = VP8GetCPUInfo;
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ VP8FiltersInitNEON();
+ }
+#endif
+
+ assert(WebPUnfilters[WEBP_FILTER_HORIZONTAL] != NULL);
+ assert(WebPUnfilters[WEBP_FILTER_VERTICAL] != NULL);
+ assert(WebPUnfilters[WEBP_FILTER_GRADIENT] != NULL);
+ assert(WebPFilters[WEBP_FILTER_HORIZONTAL] != NULL);
+ assert(WebPFilters[WEBP_FILTER_VERTICAL] != NULL);
+ assert(WebPFilters[WEBP_FILTER_GRADIENT] != NULL);
}
diff --git a/media/libwebp/dsp/filters_sse2.c b/media/libwebp/dsp/filters_sse2.c
index 67f77999e..2cc9bb976 100644
--- a/media/libwebp/dsp/filters_sse2.c
+++ b/media/libwebp/dsp/filters_sse2.c
@@ -11,7 +11,7 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE2)
@@ -24,16 +24,16 @@
// Helpful macro.
# define SANITY_CHECK(in, out) \
- assert(in != NULL); \
- assert(out != NULL); \
+ assert((in) != NULL); \
+ assert((out) != NULL); \
assert(width > 0); \
assert(height > 0); \
assert(stride >= width); \
assert(row >= 0 && num_rows > 0 && row + num_rows <= height); \
(void)height; // Silence unused warning.
-static void PredictLineTop(const uint8_t* src, const uint8_t* pred,
- uint8_t* dst, int length) {
+static void PredictLineTop_SSE2(const uint8_t* src, const uint8_t* pred,
+ uint8_t* dst, int length) {
int i;
const int max_pos = length & ~31;
assert(length >= 0);
@@ -51,7 +51,7 @@ static void PredictLineTop(const uint8_t* src, const uint8_t* pred,
}
// Special case for left-based prediction (when preds==dst-1 or preds==src-1).
-static void PredictLineLeft(const uint8_t* src, uint8_t* dst, int length) {
+static void PredictLineLeft_SSE2(const uint8_t* src, uint8_t* dst, int length) {
int i;
const int max_pos = length & ~31;
assert(length >= 0);
@@ -71,10 +71,11 @@ static void PredictLineLeft(const uint8_t* src, uint8_t* dst, int length) {
//------------------------------------------------------------------------------
// Horizontal filter.
-static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
- int width, int height, int stride,
- int row, int num_rows,
- uint8_t* out) {
+static WEBP_INLINE void DoHorizontalFilter_SSE2(const uint8_t* in,
+ int width, int height,
+ int stride,
+ int row, int num_rows,
+ uint8_t* out) {
const size_t start_offset = row * stride;
const int last_row = row + num_rows;
SANITY_CHECK(in, out);
@@ -84,7 +85,7 @@ static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
if (row == 0) {
// Leftmost pixel is the same as input for topmost scanline.
out[0] = in[0];
- PredictLineLeft(in + 1, out + 1, width - 1);
+ PredictLineLeft_SSE2(in + 1, out + 1, width - 1);
row = 1;
in += stride;
out += stride;
@@ -94,7 +95,7 @@ static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
while (row < last_row) {
// Leftmost pixel is predicted from above.
out[0] = in[0] - in[-stride];
- PredictLineLeft(in + 1, out + 1, width - 1);
+ PredictLineLeft_SSE2(in + 1, out + 1, width - 1);
++row;
in += stride;
out += stride;
@@ -104,9 +105,10 @@ static WEBP_INLINE void DoHorizontalFilter(const uint8_t* in,
//------------------------------------------------------------------------------
// Vertical filter.
-static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
- int width, int height, int stride,
- int row, int num_rows, uint8_t* out) {
+static WEBP_INLINE void DoVerticalFilter_SSE2(const uint8_t* in,
+ int width, int height, int stride,
+ int row, int num_rows,
+ uint8_t* out) {
const size_t start_offset = row * stride;
const int last_row = row + num_rows;
SANITY_CHECK(in, out);
@@ -117,7 +119,7 @@ static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
// Very first top-left pixel is copied.
out[0] = in[0];
// Rest of top scan-line is left-predicted.
- PredictLineLeft(in + 1, out + 1, width - 1);
+ PredictLineLeft_SSE2(in + 1, out + 1, width - 1);
row = 1;
in += stride;
out += stride;
@@ -125,7 +127,7 @@ static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
// Filter line-by-line.
while (row < last_row) {
- PredictLineTop(in, in - stride, out, width);
+ PredictLineTop_SSE2(in, in - stride, out, width);
++row;
in += stride;
out += stride;
@@ -135,14 +137,14 @@ static WEBP_INLINE void DoVerticalFilter(const uint8_t* in,
//------------------------------------------------------------------------------
// Gradient filter.
-static WEBP_INLINE int GradientPredictorC(uint8_t a, uint8_t b, uint8_t c) {
+static WEBP_INLINE int GradientPredictor_SSE2(uint8_t a, uint8_t b, uint8_t c) {
const int g = a + b - c;
return ((g & ~0xff) == 0) ? g : (g < 0) ? 0 : 255; // clip to 8bit
}
-static void GradientPredictDirect(const uint8_t* const row,
- const uint8_t* const top,
- uint8_t* const out, int length) {
+static void GradientPredictDirect_SSE2(const uint8_t* const row,
+ const uint8_t* const top,
+ uint8_t* const out, int length) {
const int max_pos = length & ~7;
int i;
const __m128i zero = _mm_setzero_si128();
@@ -161,14 +163,14 @@ static void GradientPredictDirect(const uint8_t* const row,
_mm_storel_epi64((__m128i*)(out + i), H);
}
for (; i < length; ++i) {
- out[i] = row[i] - GradientPredictorC(row[i - 1], top[i], top[i - 1]);
+ out[i] = row[i] - GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]);
}
}
-static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
- int width, int height, int stride,
- int row, int num_rows,
- uint8_t* out) {
+static WEBP_INLINE void DoGradientFilter_SSE2(const uint8_t* in,
+ int width, int height, int stride,
+ int row, int num_rows,
+ uint8_t* out) {
const size_t start_offset = row * stride;
const int last_row = row + num_rows;
SANITY_CHECK(in, out);
@@ -178,7 +180,7 @@ static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
// left prediction for top scan-line
if (row == 0) {
out[0] = in[0];
- PredictLineLeft(in + 1, out + 1, width - 1);
+ PredictLineLeft_SSE2(in + 1, out + 1, width - 1);
row = 1;
in += stride;
out += stride;
@@ -187,7 +189,7 @@ static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
// Filter line-by-line.
while (row < last_row) {
out[0] = in[0] - in[-stride];
- GradientPredictDirect(in + 1, in + 1 - stride, out + 1, width - 1);
+ GradientPredictDirect_SSE2(in + 1, in + 1 - stride, out + 1, width - 1);
++row;
in += stride;
out += stride;
@@ -198,26 +200,27 @@ static WEBP_INLINE void DoGradientFilter(const uint8_t* in,
//------------------------------------------------------------------------------
-static void HorizontalFilter(const uint8_t* data, int width, int height,
- int stride, uint8_t* filtered_data) {
- DoHorizontalFilter(data, width, height, stride, 0, height, filtered_data);
+static void HorizontalFilter_SSE2(const uint8_t* data, int width, int height,
+ int stride, uint8_t* filtered_data) {
+ DoHorizontalFilter_SSE2(data, width, height, stride, 0, height,
+ filtered_data);
}
-static void VerticalFilter(const uint8_t* data, int width, int height,
- int stride, uint8_t* filtered_data) {
- DoVerticalFilter(data, width, height, stride, 0, height, filtered_data);
+static void VerticalFilter_SSE2(const uint8_t* data, int width, int height,
+ int stride, uint8_t* filtered_data) {
+ DoVerticalFilter_SSE2(data, width, height, stride, 0, height, filtered_data);
}
-static void GradientFilter(const uint8_t* data, int width, int height,
- int stride, uint8_t* filtered_data) {
- DoGradientFilter(data, width, height, stride, 0, height, filtered_data);
+static void GradientFilter_SSE2(const uint8_t* data, int width, int height,
+ int stride, uint8_t* filtered_data) {
+ DoGradientFilter_SSE2(data, width, height, stride, 0, height, filtered_data);
}
//------------------------------------------------------------------------------
// Inverse transforms
-static void HorizontalUnfilter(const uint8_t* prev, const uint8_t* in,
- uint8_t* out, int width) {
+static void HorizontalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in,
+ uint8_t* out, int width) {
int i;
__m128i last;
out[0] = in[0] + (prev == NULL ? 0 : prev[0]);
@@ -238,10 +241,10 @@ static void HorizontalUnfilter(const uint8_t* prev, const uint8_t* in,
for (; i < width; ++i) out[i] = in[i] + out[i - 1];
}
-static void VerticalUnfilter(const uint8_t* prev, const uint8_t* in,
- uint8_t* out, int width) {
+static void VerticalUnfilter_SSE2(const uint8_t* prev, const uint8_t* in,
+ uint8_t* out, int width) {
if (prev == NULL) {
- HorizontalUnfilter(NULL, in, out, width);
+ HorizontalUnfilter_SSE2(NULL, in, out, width);
} else {
int i;
const int max_pos = width & ~31;
@@ -260,9 +263,9 @@ static void VerticalUnfilter(const uint8_t* prev, const uint8_t* in,
}
}
-static void GradientPredictInverse(const uint8_t* const in,
- const uint8_t* const top,
- uint8_t* const row, int length) {
+static void GradientPredictInverse_SSE2(const uint8_t* const in,
+ const uint8_t* const top,
+ uint8_t* const row, int length) {
if (length > 0) {
int i;
const int max_pos = length & ~7;
@@ -293,18 +296,18 @@ static void GradientPredictInverse(const uint8_t* const in,
_mm_storel_epi64((__m128i*)&row[i], out);
}
for (; i < length; ++i) {
- row[i] = in[i] + GradientPredictorC(row[i - 1], top[i], top[i - 1]);
+ row[i] = in[i] + GradientPredictor_SSE2(row[i - 1], top[i], top[i - 1]);
}
}
}
-static void GradientUnfilter(const uint8_t* prev, const uint8_t* in,
- uint8_t* out, int width) {
+static void GradientUnfilter_SSE2(const uint8_t* prev, const uint8_t* in,
+ uint8_t* out, int width) {
if (prev == NULL) {
- HorizontalUnfilter(NULL, in, out, width);
+ HorizontalUnfilter_SSE2(NULL, in, out, width);
} else {
out[0] = in[0] + prev[0]; // predict from above
- GradientPredictInverse(in + 1, prev + 1, out + 1, width - 1);
+ GradientPredictInverse_SSE2(in + 1, prev + 1, out + 1, width - 1);
}
}
@@ -314,13 +317,13 @@ static void GradientUnfilter(const uint8_t* prev, const uint8_t* in,
extern void VP8FiltersInitSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void VP8FiltersInitSSE2(void) {
- WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter;
- WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter;
- WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter;
+ WebPUnfilters[WEBP_FILTER_HORIZONTAL] = HorizontalUnfilter_SSE2;
+ WebPUnfilters[WEBP_FILTER_VERTICAL] = VerticalUnfilter_SSE2;
+ WebPUnfilters[WEBP_FILTER_GRADIENT] = GradientUnfilter_SSE2;
- WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter;
- WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter;
- WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter;
+ WebPFilters[WEBP_FILTER_HORIZONTAL] = HorizontalFilter_SSE2;
+ WebPFilters[WEBP_FILTER_VERTICAL] = VerticalFilter_SSE2;
+ WebPFilters[WEBP_FILTER_GRADIENT] = GradientFilter_SSE2;
}
#else // !WEBP_USE_SSE2
diff --git a/media/libwebp/dsp/lossless.c b/media/libwebp/dsp/lossless.c
index 20d18f6ec..93ccecdfd 100644
--- a/media/libwebp/dsp/lossless.c
+++ b/media/libwebp/dsp/lossless.c
@@ -13,14 +13,15 @@
// Jyrki Alakuijala (jyrki@google.com)
// Urvang Joshi (urvang@google.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
+#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include "../dec/vp8li_dec.h"
#include "../utils/endian_inl_utils.h"
-#include "./lossless.h"
-#include "./lossless_common.h"
+#include "../dsp/lossless.h"
+#include "../dsp/lossless_common.h"
#define MAX_DIFF_COST (1e30f)
@@ -80,8 +81,9 @@ static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1,
return ((uint32_t)a << 24) | (r << 16) | (g << 8) | b;
}
-// gcc-4.9 on ARM generates incorrect code in Select() when Sub3() is inlined.
-#if defined(__arm__) && LOCAL_GCC_VERSION == 0x409
+// gcc <= 4.9 on ARM generates incorrect code in Select() when Sub3() is
+// inlined.
+#if defined(__arm__) && LOCAL_GCC_VERSION <= 0x409
# define LOCAL_INLINE __attribute__ ((noinline))
#else
# define LOCAL_INLINE WEBP_INLINE
@@ -107,69 +109,69 @@ static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) {
//------------------------------------------------------------------------------
// Predictors
-static uint32_t Predictor0(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor0_C(uint32_t left, const uint32_t* const top) {
(void)top;
(void)left;
return ARGB_BLACK;
}
-static uint32_t Predictor1(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor1_C(uint32_t left, const uint32_t* const top) {
(void)top;
return left;
}
-static uint32_t Predictor2(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor2_C(uint32_t left, const uint32_t* const top) {
(void)left;
return top[0];
}
-static uint32_t Predictor3(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor3_C(uint32_t left, const uint32_t* const top) {
(void)left;
return top[1];
}
-static uint32_t Predictor4(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor4_C(uint32_t left, const uint32_t* const top) {
(void)left;
return top[-1];
}
-static uint32_t Predictor5(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor5_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Average3(left, top[0], top[1]);
return pred;
}
-static uint32_t Predictor6(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor6_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Average2(left, top[-1]);
return pred;
}
-static uint32_t Predictor7(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor7_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Average2(left, top[0]);
return pred;
}
-static uint32_t Predictor8(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor8_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Average2(top[-1], top[0]);
(void)left;
return pred;
}
-static uint32_t Predictor9(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor9_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Average2(top[0], top[1]);
(void)left;
return pred;
}
-static uint32_t Predictor10(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor10_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Average4(left, top[-1], top[0], top[1]);
return pred;
}
-static uint32_t Predictor11(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor11_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = Select(top[0], left, top[-1]);
return pred;
}
-static uint32_t Predictor12(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor12_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = ClampedAddSubtractFull(left, top[0], top[-1]);
return pred;
}
-static uint32_t Predictor13(uint32_t left, const uint32_t* const top) {
+static uint32_t Predictor13_C(uint32_t left, const uint32_t* const top) {
const uint32_t pred = ClampedAddSubtractHalf(left, top[0], top[-1]);
return pred;
}
-GENERATE_PREDICTOR_ADD(Predictor0, PredictorAdd0)
-static void PredictorAdd1(const uint32_t* in, const uint32_t* upper,
- int num_pixels, uint32_t* out) {
+GENERATE_PREDICTOR_ADD(Predictor0_C, PredictorAdd0_C)
+static void PredictorAdd1_C(const uint32_t* in, const uint32_t* upper,
+ int num_pixels, uint32_t* out) {
int i;
uint32_t left = out[-1];
for (i = 0; i < num_pixels; ++i) {
@@ -177,29 +179,29 @@ static void PredictorAdd1(const uint32_t* in, const uint32_t* upper,
}
(void)upper;
}
-GENERATE_PREDICTOR_ADD(Predictor2, PredictorAdd2)
-GENERATE_PREDICTOR_ADD(Predictor3, PredictorAdd3)
-GENERATE_PREDICTOR_ADD(Predictor4, PredictorAdd4)
-GENERATE_PREDICTOR_ADD(Predictor5, PredictorAdd5)
-GENERATE_PREDICTOR_ADD(Predictor6, PredictorAdd6)
-GENERATE_PREDICTOR_ADD(Predictor7, PredictorAdd7)
-GENERATE_PREDICTOR_ADD(Predictor8, PredictorAdd8)
-GENERATE_PREDICTOR_ADD(Predictor9, PredictorAdd9)
-GENERATE_PREDICTOR_ADD(Predictor10, PredictorAdd10)
-GENERATE_PREDICTOR_ADD(Predictor11, PredictorAdd11)
-GENERATE_PREDICTOR_ADD(Predictor12, PredictorAdd12)
-GENERATE_PREDICTOR_ADD(Predictor13, PredictorAdd13)
+GENERATE_PREDICTOR_ADD(Predictor2_C, PredictorAdd2_C)
+GENERATE_PREDICTOR_ADD(Predictor3_C, PredictorAdd3_C)
+GENERATE_PREDICTOR_ADD(Predictor4_C, PredictorAdd4_C)
+GENERATE_PREDICTOR_ADD(Predictor5_C, PredictorAdd5_C)
+GENERATE_PREDICTOR_ADD(Predictor6_C, PredictorAdd6_C)
+GENERATE_PREDICTOR_ADD(Predictor7_C, PredictorAdd7_C)
+GENERATE_PREDICTOR_ADD(Predictor8_C, PredictorAdd8_C)
+GENERATE_PREDICTOR_ADD(Predictor9_C, PredictorAdd9_C)
+GENERATE_PREDICTOR_ADD(Predictor10_C, PredictorAdd10_C)
+GENERATE_PREDICTOR_ADD(Predictor11_C, PredictorAdd11_C)
+GENERATE_PREDICTOR_ADD(Predictor12_C, PredictorAdd12_C)
+GENERATE_PREDICTOR_ADD(Predictor13_C, PredictorAdd13_C)
//------------------------------------------------------------------------------
// Inverse prediction.
-static void PredictorInverseTransform(const VP8LTransform* const transform,
- int y_start, int y_end,
- const uint32_t* in, uint32_t* out) {
+static void PredictorInverseTransform_C(const VP8LTransform* const transform,
+ int y_start, int y_end,
+ const uint32_t* in, uint32_t* out) {
const int width = transform->xsize_;
if (y_start == 0) { // First Row follows the L (mode=1) mode.
- PredictorAdd0(in, NULL, 1, out);
- PredictorAdd1(in + 1, NULL, width - 1, out + 1);
+ PredictorAdd0_C(in, NULL, 1, out);
+ PredictorAdd1_C(in + 1, NULL, width - 1, out + 1);
in += width;
out += width;
++y_start;
@@ -217,7 +219,7 @@ static void PredictorInverseTransform(const VP8LTransform* const transform,
const uint32_t* pred_mode_src = pred_mode_base;
int x = 1;
// First pixel follows the T (mode=2) mode.
- PredictorAdd2(in, out - width, 1, out);
+ PredictorAdd2_C(in, out - width, 1, out);
// .. the rest:
while (x < width) {
const VP8LPredictorAddSubFunc pred_func =
@@ -272,8 +274,8 @@ void VP8LTransformColorInverse_C(const VP8LMultipliers* const m,
const uint32_t argb = src[i];
const uint32_t green = argb >> 8;
const uint32_t red = argb >> 16;
- int new_red = red;
- int new_blue = argb;
+ int new_red = red & 0xff;
+ int new_blue = argb & 0xff;
new_red += ColorTransformDelta(m->green_to_red_, green);
new_red &= 0xff;
new_blue += ColorTransformDelta(m->green_to_blue_, green);
@@ -284,9 +286,9 @@ void VP8LTransformColorInverse_C(const VP8LMultipliers* const m,
}
// Color space inverse transform.
-static void ColorSpaceInverseTransform(const VP8LTransform* const transform,
- int y_start, int y_end,
- const uint32_t* src, uint32_t* dst) {
+static void ColorSpaceInverseTransform_C(const VP8LTransform* const transform,
+ int y_start, int y_end,
+ const uint32_t* src, uint32_t* dst) {
const int width = transform->xsize_;
const int tile_width = 1 << transform->bits_;
const int mask = tile_width - 1;
@@ -362,10 +364,10 @@ STATIC_DECL void FUNC_NAME(const VP8LTransform* const transform, \
} \
}
-COLOR_INDEX_INVERSE(ColorIndexInverseTransform, MapARGB, static, uint32_t, 32b,
- VP8GetARGBIndex, VP8GetARGBValue)
-COLOR_INDEX_INVERSE(VP8LColorIndexInverseTransformAlpha, MapAlpha, , uint8_t,
- 8b, VP8GetAlphaIndex, VP8GetAlphaValue)
+COLOR_INDEX_INVERSE(ColorIndexInverseTransform_C, MapARGB_C, static,
+ uint32_t, 32b, VP8GetARGBIndex, VP8GetARGBValue)
+COLOR_INDEX_INVERSE(VP8LColorIndexInverseTransformAlpha, MapAlpha_C, ,
+ uint8_t, 8b, VP8GetAlphaIndex, VP8GetAlphaValue)
#undef COLOR_INDEX_INVERSE
@@ -380,7 +382,7 @@ void VP8LInverseTransform(const VP8LTransform* const transform,
VP8LAddGreenToBlueAndRed(in, (row_end - row_start) * width, out);
break;
case PREDICTOR_TRANSFORM:
- PredictorInverseTransform(transform, row_start, row_end, in, out);
+ PredictorInverseTransform_C(transform, row_start, row_end, in, out);
if (row_end != transform->ysize_) {
// The last predicted row in this iteration will be the top-pred row
// for the first row in next iteration.
@@ -389,7 +391,7 @@ void VP8LInverseTransform(const VP8LTransform* const transform,
}
break;
case CROSS_COLOR_TRANSFORM:
- ColorSpaceInverseTransform(transform, row_start, row_end, in, out);
+ ColorSpaceInverseTransform_C(transform, row_start, row_end, in, out);
break;
case COLOR_INDEXING_TRANSFORM:
if (in == out && transform->bits_ > 0) {
@@ -403,9 +405,9 @@ void VP8LInverseTransform(const VP8LTransform* const transform,
VP8LSubSampleSize(transform->xsize_, transform->bits_);
uint32_t* const src = out + out_stride - in_stride;
memmove(src, out, in_stride * sizeof(*src));
- ColorIndexInverseTransform(transform, row_start, row_end, src, out);
+ ColorIndexInverseTransform_C(transform, row_start, row_end, src, out);
} else {
- ColorIndexInverseTransform(transform, row_start, row_end, in, out);
+ ColorIndexInverseTransform_C(transform, row_start, row_end, in, out);
}
break;
}
@@ -452,7 +454,7 @@ void VP8LConvertBGRAToRGBA4444_C(const uint32_t* src,
const uint32_t argb = *src++;
const uint8_t rg = ((argb >> 16) & 0xf0) | ((argb >> 12) & 0xf);
const uint8_t ba = ((argb >> 0) & 0xf0) | ((argb >> 28) & 0xf);
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
*dst++ = ba;
*dst++ = rg;
#else
@@ -469,7 +471,7 @@ void VP8LConvertBGRAToRGB565_C(const uint32_t* src,
const uint32_t argb = *src++;
const uint8_t rg = ((argb >> 16) & 0xf8) | ((argb >> 13) & 0x7);
const uint8_t gb = ((argb >> 5) & 0xe0) | ((argb >> 3) & 0x1f);
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
*dst++ = gb;
*dst++ = rg;
#else
@@ -496,22 +498,7 @@ static void CopyOrSwap(const uint32_t* src, int num_pixels, uint8_t* dst,
const uint32_t* const src_end = src + num_pixels;
while (src < src_end) {
const uint32_t argb = *src++;
-
-#if !defined(WORDS_BIGENDIAN)
-#if !defined(WEBP_REFERENCE_IMPLEMENTATION)
WebPUint32ToMem(dst, BSwap32(argb));
-#else // WEBP_REFERENCE_IMPLEMENTATION
- dst[0] = (argb >> 24) & 0xff;
- dst[1] = (argb >> 16) & 0xff;
- dst[2] = (argb >> 8) & 0xff;
- dst[3] = (argb >> 0) & 0xff;
-#endif
-#else // WORDS_BIGENDIAN
- dst[0] = (argb >> 0) & 0xff;
- dst[1] = (argb >> 8) & 0xff;
- dst[2] = (argb >> 16) & 0xff;
- dst[3] = (argb >> 24) & 0xff;
-#endif
dst += sizeof(argb);
}
} else {
@@ -590,48 +577,46 @@ extern void VP8LDspInitNEON(void);
extern void VP8LDspInitMIPSdspR2(void);
extern void VP8LDspInitMSA(void);
-static volatile VP8CPUInfo lossless_last_cpuinfo_used =
- (VP8CPUInfo)&lossless_last_cpuinfo_used;
-
-#define COPY_PREDICTOR_ARRAY(IN, OUT) do { \
- (OUT)[0] = IN##0; \
- (OUT)[1] = IN##1; \
- (OUT)[2] = IN##2; \
- (OUT)[3] = IN##3; \
- (OUT)[4] = IN##4; \
- (OUT)[5] = IN##5; \
- (OUT)[6] = IN##6; \
- (OUT)[7] = IN##7; \
- (OUT)[8] = IN##8; \
- (OUT)[9] = IN##9; \
- (OUT)[10] = IN##10; \
- (OUT)[11] = IN##11; \
- (OUT)[12] = IN##12; \
- (OUT)[13] = IN##13; \
- (OUT)[14] = IN##0; /* <- padding security sentinels*/ \
- (OUT)[15] = IN##0; \
+#define COPY_PREDICTOR_ARRAY(IN, OUT) do { \
+ (OUT)[0] = IN##0_C; \
+ (OUT)[1] = IN##1_C; \
+ (OUT)[2] = IN##2_C; \
+ (OUT)[3] = IN##3_C; \
+ (OUT)[4] = IN##4_C; \
+ (OUT)[5] = IN##5_C; \
+ (OUT)[6] = IN##6_C; \
+ (OUT)[7] = IN##7_C; \
+ (OUT)[8] = IN##8_C; \
+ (OUT)[9] = IN##9_C; \
+ (OUT)[10] = IN##10_C; \
+ (OUT)[11] = IN##11_C; \
+ (OUT)[12] = IN##12_C; \
+ (OUT)[13] = IN##13_C; \
+ (OUT)[14] = IN##0_C; /* <- padding security sentinels*/ \
+ (OUT)[15] = IN##0_C; \
} while (0);
-WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInit(void) {
- if (lossless_last_cpuinfo_used == VP8GetCPUInfo) return;
-
+WEBP_DSP_INIT_FUNC(VP8LDspInit) {
COPY_PREDICTOR_ARRAY(Predictor, VP8LPredictors)
COPY_PREDICTOR_ARRAY(Predictor, VP8LPredictors_C)
COPY_PREDICTOR_ARRAY(PredictorAdd, VP8LPredictorsAdd)
COPY_PREDICTOR_ARRAY(PredictorAdd, VP8LPredictorsAdd_C)
+#if !WEBP_NEON_OMIT_C_CODE
VP8LAddGreenToBlueAndRed = VP8LAddGreenToBlueAndRed_C;
VP8LTransformColorInverse = VP8LTransformColorInverse_C;
- VP8LConvertBGRAToRGB = VP8LConvertBGRAToRGB_C;
VP8LConvertBGRAToRGBA = VP8LConvertBGRAToRGBA_C;
+ VP8LConvertBGRAToRGB = VP8LConvertBGRAToRGB_C;
+ VP8LConvertBGRAToBGR = VP8LConvertBGRAToBGR_C;
+#endif
+
VP8LConvertBGRAToRGBA4444 = VP8LConvertBGRAToRGBA4444_C;
VP8LConvertBGRAToRGB565 = VP8LConvertBGRAToRGB565_C;
- VP8LConvertBGRAToBGR = VP8LConvertBGRAToBGR_C;
- VP8LMapColor32b = MapARGB;
- VP8LMapColor8b = MapAlpha;
+ VP8LMapColor32b = MapARGB_C;
+ VP8LMapColor8b = MapAlpha_C;
// If defined, use CPUInfo() to overwrite some pointers with faster versions.
if (VP8GetCPUInfo != NULL) {
@@ -640,11 +625,6 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInit(void) {
VP8LDspInitSSE2();
}
#endif
-#if defined(WEBP_USE_NEON)
- if (VP8GetCPUInfo(kNEON)) {
- VP8LDspInitNEON();
- }
-#endif
#if defined(WEBP_USE_MIPS_DSP_R2)
if (VP8GetCPUInfo(kMIPSdspR2)) {
VP8LDspInitMIPSdspR2();
@@ -656,7 +636,23 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInit(void) {
}
#endif
}
- lossless_last_cpuinfo_used = VP8GetCPUInfo;
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ VP8LDspInitNEON();
+ }
+#endif
+
+ assert(VP8LAddGreenToBlueAndRed != NULL);
+ assert(VP8LTransformColorInverse != NULL);
+ assert(VP8LConvertBGRAToRGBA != NULL);
+ assert(VP8LConvertBGRAToRGB != NULL);
+ assert(VP8LConvertBGRAToBGR != NULL);
+ assert(VP8LConvertBGRAToRGBA4444 != NULL);
+ assert(VP8LConvertBGRAToRGB565 != NULL);
+ assert(VP8LMapColor32b != NULL);
+ assert(VP8LMapColor8b != NULL);
}
#undef COPY_PREDICTOR_ARRAY
diff --git a/media/libwebp/dsp/lossless.h b/media/libwebp/dsp/lossless.h
index 352a54e50..4a1d1e0dd 100644
--- a/media/libwebp/dsp/lossless.h
+++ b/media/libwebp/dsp/lossless.h
@@ -25,10 +25,6 @@
extern "C" {
#endif
-#ifdef WEBP_EXPERIMENTAL_FEATURES
-#include "../enc/delta_palettization_enc.h"
-#endif // WEBP_EXPERIMENTAL_FEATURES
-
//------------------------------------------------------------------------------
// Decoding
@@ -124,7 +120,7 @@ void VP8LDspInit(void);
typedef void (*VP8LProcessEncBlueAndRedFunc)(uint32_t* dst, int num_pixels);
extern VP8LProcessEncBlueAndRedFunc VP8LSubtractGreenFromBlueAndRed;
typedef void (*VP8LTransformColorFunc)(const VP8LMultipliers* const m,
- uint32_t* const dst, int num_pixels);
+ uint32_t* dst, int num_pixels);
extern VP8LTransformColorFunc VP8LTransformColor;
typedef void (*VP8LCollectColorBlueTransformsFunc)(
const uint32_t* argb, int stride,
diff --git a/media/libwebp/dsp/lossless_common.h b/media/libwebp/dsp/lossless_common.h
index c40f71120..dd2e4f247 100644
--- a/media/libwebp/dsp/lossless_common.h
+++ b/media/libwebp/dsp/lossless_common.h
@@ -93,14 +93,6 @@ static WEBP_INLINE float VP8LFastSLog2(uint32_t v) {
// -----------------------------------------------------------------------------
// PrefixEncode()
-static WEBP_INLINE int VP8LBitsLog2Ceiling(uint32_t n) {
- const int log_floor = BitsLog2Floor(n);
- if (n == (n & ~(n - 1))) { // zero or a power of two.
- return log_floor;
- }
- return log_floor + 1;
-}
-
// Splitting of distance and length codes into prefixes and
// extra bits. The prefixes are encoded with an entropy code
// while the extra bits are stored just as normal bits.
diff --git a/media/libwebp/dsp/lossless_neon.c b/media/libwebp/dsp/lossless_neon.c
index 1145d5fad..a7bf47f3c 100644
--- a/media/libwebp/dsp/lossless_neon.c
+++ b/media/libwebp/dsp/lossless_neon.c
@@ -11,14 +11,14 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_NEON)
#include <arm_neon.h>
-#include "./lossless.h"
-#include "./neon.h"
+#include "../dsp/lossless.h"
+#include "../dsp/neon.h"
//------------------------------------------------------------------------------
// Colorspace conversion functions
@@ -26,8 +26,8 @@
#if !defined(WORK_AROUND_GCC)
// gcc 4.6.0 had some trouble (NDK-r9) with this code. We only use it for
// gcc-4.8.x at least.
-static void ConvertBGRAToRGBA(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGBA_NEON(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const uint32_t* const end = src + (num_pixels & ~15);
for (; src < end; src += 16) {
uint8x16x4_t pixel = vld4q_u8((uint8_t*)src);
@@ -41,8 +41,8 @@ static void ConvertBGRAToRGBA(const uint32_t* src,
VP8LConvertBGRAToRGBA_C(src, num_pixels & 15, dst); // left-overs
}
-static void ConvertBGRAToBGR(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToBGR_NEON(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const uint32_t* const end = src + (num_pixels & ~15);
for (; src < end; src += 16) {
const uint8x16x4_t pixel = vld4q_u8((uint8_t*)src);
@@ -53,8 +53,8 @@ static void ConvertBGRAToBGR(const uint32_t* src,
VP8LConvertBGRAToBGR_C(src, num_pixels & 15, dst); // left-overs
}
-static void ConvertBGRAToRGB(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGB_NEON(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const uint32_t* const end = src + (num_pixels & ~15);
for (; src < end; src += 16) {
const uint8x16x4_t pixel = vld4q_u8((uint8_t*)src);
@@ -71,8 +71,8 @@ static void ConvertBGRAToRGB(const uint32_t* src,
static const uint8_t kRGBAShuffle[8] = { 2, 1, 0, 3, 6, 5, 4, 7 };
-static void ConvertBGRAToRGBA(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGBA_NEON(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const uint32_t* const end = src + (num_pixels & ~1);
const uint8x8_t shuffle = vld1_u8(kRGBAShuffle);
for (; src < end; src += 2) {
@@ -89,8 +89,8 @@ static const uint8_t kBGRShuffle[3][8] = {
{ 21, 22, 24, 25, 26, 28, 29, 30 }
};
-static void ConvertBGRAToBGR(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToBGR_NEON(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const uint32_t* const end = src + (num_pixels & ~7);
const uint8x8_t shuffle0 = vld1_u8(kBGRShuffle[0]);
const uint8x8_t shuffle1 = vld1_u8(kBGRShuffle[1]);
@@ -116,8 +116,8 @@ static const uint8_t kRGBShuffle[3][8] = {
{ 21, 20, 26, 25, 24, 30, 29, 28 }
};
-static void ConvertBGRAToRGB(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGB_NEON(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const uint32_t* const end = src + (num_pixels & ~7);
const uint8x8_t shuffle0 = vld1_u8(kRGBShuffle[0]);
const uint8x8_t shuffle1 = vld1_u8(kRGBShuffle[1]);
@@ -139,7 +139,6 @@ static void ConvertBGRAToRGB(const uint32_t* src,
#endif // !WORK_AROUND_GCC
-
//------------------------------------------------------------------------------
// Predictor Transform
@@ -506,8 +505,8 @@ static const uint8_t kGreenShuffle[16] = {
1, 255, 1, 255, 5, 255, 5, 255, 9, 255, 9, 255, 13, 255, 13, 255
};
-static WEBP_INLINE uint8x16_t DoGreenShuffle(const uint8x16_t argb,
- const uint8x16_t shuffle) {
+static WEBP_INLINE uint8x16_t DoGreenShuffle_NEON(const uint8x16_t argb,
+ const uint8x16_t shuffle) {
return vcombine_u8(vtbl1q_u8(argb, vget_low_u8(shuffle)),
vtbl1q_u8(argb, vget_high_u8(shuffle)));
}
@@ -515,15 +514,15 @@ static WEBP_INLINE uint8x16_t DoGreenShuffle(const uint8x16_t argb,
// 255 = byte will be zeroed
static const uint8_t kGreenShuffle[8] = { 1, 255, 1, 255, 5, 255, 5, 255 };
-static WEBP_INLINE uint8x16_t DoGreenShuffle(const uint8x16_t argb,
- const uint8x8_t shuffle) {
+static WEBP_INLINE uint8x16_t DoGreenShuffle_NEON(const uint8x16_t argb,
+ const uint8x8_t shuffle) {
return vcombine_u8(vtbl1_u8(vget_low_u8(argb), shuffle),
vtbl1_u8(vget_high_u8(argb), shuffle));
}
#endif // USE_VTBLQ
-static void AddGreenToBlueAndRed(const uint32_t* src, int num_pixels,
- uint32_t* dst) {
+static void AddGreenToBlueAndRed_NEON(const uint32_t* src, int num_pixels,
+ uint32_t* dst) {
const uint32_t* const end = src + (num_pixels & ~3);
#ifdef USE_VTBLQ
const uint8x16_t shuffle = vld1q_u8(kGreenShuffle);
@@ -532,7 +531,7 @@ static void AddGreenToBlueAndRed(const uint32_t* src, int num_pixels,
#endif
for (; src < end; src += 4, dst += 4) {
const uint8x16_t argb = vld1q_u8((const uint8_t*)src);
- const uint8x16_t greens = DoGreenShuffle(argb, shuffle);
+ const uint8x16_t greens = DoGreenShuffle_NEON(argb, shuffle);
vst1q_u8((uint8_t*)dst, vaddq_u8(argb, greens));
}
// fallthrough and finish off with plain-C
@@ -542,9 +541,9 @@ static void AddGreenToBlueAndRed(const uint32_t* src, int num_pixels,
//------------------------------------------------------------------------------
// Color Transform
-static void TransformColorInverse(const VP8LMultipliers* const m,
- const uint32_t* const src, int num_pixels,
- uint32_t* dst) {
+static void TransformColorInverse_NEON(const VP8LMultipliers* const m,
+ const uint32_t* const src,
+ int num_pixels, uint32_t* dst) {
// sign-extended multiplying constants, pre-shifted by 6.
#define CST(X) (((int16_t)(m->X << 8)) >> 6)
const int16_t rb[8] = {
@@ -575,7 +574,7 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
const uint8x16_t in = vld1q_u8((const uint8_t*)(src + i));
const uint32x4_t a0g0 = vandq_u32(vreinterpretq_u32_u8(in), mask_ag);
// 0 g 0 g
- const uint8x16_t greens = DoGreenShuffle(in, shuffle);
+ const uint8x16_t greens = DoGreenShuffle_NEON(in, shuffle);
// x dr x db1
const int16x8_t A = vqdmulhq_s16(vreinterpretq_s16_u8(greens), mults_rb);
// x r' x b'
@@ -627,12 +626,12 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitNEON(void) {
VP8LPredictorsAdd[12] = PredictorAdd12_NEON;
VP8LPredictorsAdd[13] = PredictorAdd13_NEON;
- VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA;
- VP8LConvertBGRAToBGR = ConvertBGRAToBGR;
- VP8LConvertBGRAToRGB = ConvertBGRAToRGB;
+ VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_NEON;
+ VP8LConvertBGRAToBGR = ConvertBGRAToBGR_NEON;
+ VP8LConvertBGRAToRGB = ConvertBGRAToRGB_NEON;
- VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed;
- VP8LTransformColorInverse = TransformColorInverse;
+ VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_NEON;
+ VP8LTransformColorInverse = TransformColorInverse_NEON;
}
#else // !WEBP_USE_NEON
diff --git a/media/libwebp/dsp/lossless_sse2.c b/media/libwebp/dsp/lossless_sse2.c
index 15aae9386..c40fcfb76 100644
--- a/media/libwebp/dsp/lossless_sse2.c
+++ b/media/libwebp/dsp/lossless_sse2.c
@@ -11,21 +11,22 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE2)
-#include "./common_sse2.h"
-#include "./lossless.h"
-#include "./lossless_common.h"
+#include "../dsp/common_sse2.h"
+#include "../dsp/lossless.h"
+#include "../dsp/lossless_common.h"
#include <assert.h>
#include <emmintrin.h>
//------------------------------------------------------------------------------
// Predictor Transform
-static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1,
- uint32_t c2) {
+static WEBP_INLINE uint32_t ClampedAddSubtractFull_SSE2(uint32_t c0,
+ uint32_t c1,
+ uint32_t c2) {
const __m128i zero = _mm_setzero_si128();
const __m128i C0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(c0), zero);
const __m128i C1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(c1), zero);
@@ -37,8 +38,9 @@ static WEBP_INLINE uint32_t ClampedAddSubtractFull(uint32_t c0, uint32_t c1,
return output;
}
-static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1,
- uint32_t c2) {
+static WEBP_INLINE uint32_t ClampedAddSubtractHalf_SSE2(uint32_t c0,
+ uint32_t c1,
+ uint32_t c2) {
const __m128i zero = _mm_setzero_si128();
const __m128i C0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(c0), zero);
const __m128i C1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(c1), zero);
@@ -55,7 +57,7 @@ static WEBP_INLINE uint32_t ClampedAddSubtractHalf(uint32_t c0, uint32_t c1,
return output;
}
-static WEBP_INLINE uint32_t Select(uint32_t a, uint32_t b, uint32_t c) {
+static WEBP_INLINE uint32_t Select_SSE2(uint32_t a, uint32_t b, uint32_t c) {
int pa_minus_pb;
const __m128i zero = _mm_setzero_si128();
const __m128i A0 = _mm_cvtsi32_si128(a);
@@ -88,8 +90,9 @@ static WEBP_INLINE void Average2_m128i(const __m128i* const a0,
*avg = _mm_sub_epi8(avg1, one);
}
-static WEBP_INLINE void Average2_uint32(const uint32_t a0, const uint32_t a1,
- __m128i* const avg) {
+static WEBP_INLINE void Average2_uint32_SSE2(const uint32_t a0,
+ const uint32_t a1,
+ __m128i* const avg) {
// (a + b) >> 1 = ((a + b + 1) >> 1) - ((a ^ b) & 1)
const __m128i ones = _mm_set1_epi8(1);
const __m128i A0 = _mm_cvtsi32_si128(a0);
@@ -99,7 +102,7 @@ static WEBP_INLINE void Average2_uint32(const uint32_t a0, const uint32_t a1,
*avg = _mm_sub_epi8(avg1, one);
}
-static WEBP_INLINE __m128i Average2_uint32_16(uint32_t a0, uint32_t a1) {
+static WEBP_INLINE __m128i Average2_uint32_16_SSE2(uint32_t a0, uint32_t a1) {
const __m128i zero = _mm_setzero_si128();
const __m128i A0 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(a0), zero);
const __m128i A1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(a1), zero);
@@ -107,15 +110,16 @@ static WEBP_INLINE __m128i Average2_uint32_16(uint32_t a0, uint32_t a1) {
return _mm_srli_epi16(sum, 1);
}
-static WEBP_INLINE uint32_t Average2(uint32_t a0, uint32_t a1) {
+static WEBP_INLINE uint32_t Average2_SSE2(uint32_t a0, uint32_t a1) {
__m128i output;
- Average2_uint32(a0, a1, &output);
+ Average2_uint32_SSE2(a0, a1, &output);
return _mm_cvtsi128_si32(output);
}
-static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) {
+static WEBP_INLINE uint32_t Average3_SSE2(uint32_t a0, uint32_t a1,
+ uint32_t a2) {
const __m128i zero = _mm_setzero_si128();
- const __m128i avg1 = Average2_uint32_16(a0, a2);
+ const __m128i avg1 = Average2_uint32_16_SSE2(a0, a2);
const __m128i A1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(a1), zero);
const __m128i sum = _mm_add_epi16(avg1, A1);
const __m128i avg2 = _mm_srli_epi16(sum, 1);
@@ -124,10 +128,10 @@ static WEBP_INLINE uint32_t Average3(uint32_t a0, uint32_t a1, uint32_t a2) {
return output;
}
-static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1,
- uint32_t a2, uint32_t a3) {
- const __m128i avg1 = Average2_uint32_16(a0, a1);
- const __m128i avg2 = Average2_uint32_16(a2, a3);
+static WEBP_INLINE uint32_t Average4_SSE2(uint32_t a0, uint32_t a1,
+ uint32_t a2, uint32_t a3) {
+ const __m128i avg1 = Average2_uint32_16_SSE2(a0, a1);
+ const __m128i avg2 = Average2_uint32_16_SSE2(a2, a3);
const __m128i sum = _mm_add_epi16(avg2, avg1);
const __m128i avg3 = _mm_srli_epi16(sum, 1);
const __m128i A0 = _mm_packus_epi16(avg3, avg3);
@@ -136,41 +140,41 @@ static WEBP_INLINE uint32_t Average4(uint32_t a0, uint32_t a1,
}
static uint32_t Predictor5_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Average3(left, top[0], top[1]);
+ const uint32_t pred = Average3_SSE2(left, top[0], top[1]);
return pred;
}
static uint32_t Predictor6_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Average2(left, top[-1]);
+ const uint32_t pred = Average2_SSE2(left, top[-1]);
return pred;
}
static uint32_t Predictor7_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Average2(left, top[0]);
+ const uint32_t pred = Average2_SSE2(left, top[0]);
return pred;
}
static uint32_t Predictor8_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Average2(top[-1], top[0]);
+ const uint32_t pred = Average2_SSE2(top[-1], top[0]);
(void)left;
return pred;
}
static uint32_t Predictor9_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Average2(top[0], top[1]);
+ const uint32_t pred = Average2_SSE2(top[0], top[1]);
(void)left;
return pred;
}
static uint32_t Predictor10_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Average4(left, top[-1], top[0], top[1]);
+ const uint32_t pred = Average4_SSE2(left, top[-1], top[0], top[1]);
return pred;
}
static uint32_t Predictor11_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = Select(top[0], left, top[-1]);
+ const uint32_t pred = Select_SSE2(top[0], left, top[-1]);
return pred;
}
static uint32_t Predictor12_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = ClampedAddSubtractFull(left, top[0], top[-1]);
+ const uint32_t pred = ClampedAddSubtractFull_SSE2(left, top[0], top[-1]);
return pred;
}
static uint32_t Predictor13_SSE2(uint32_t left, const uint32_t* const top) {
- const uint32_t pred = ClampedAddSubtractHalf(left, top[0], top[-1]);
+ const uint32_t pred = ClampedAddSubtractHalf_SSE2(left, top[0], top[-1]);
return pred;
}
@@ -272,9 +276,24 @@ GENERATE_PREDICTOR_2(9, upper[i + 1])
#undef GENERATE_PREDICTOR_2
// Predictor10: average of (average of (L,TL), average of (T, TR)).
+#define DO_PRED10(OUT) do { \
+ __m128i avgLTL, avg; \
+ Average2_m128i(&L, &TL, &avgLTL); \
+ Average2_m128i(&avgTTR, &avgLTL, &avg); \
+ L = _mm_add_epi8(avg, src); \
+ out[i + (OUT)] = _mm_cvtsi128_si32(L); \
+} while (0)
+
+#define DO_PRED10_SHIFT do { \
+ /* Rotate the pre-computed values for the next iteration.*/ \
+ avgTTR = _mm_srli_si128(avgTTR, 4); \
+ TL = _mm_srli_si128(TL, 4); \
+ src = _mm_srli_si128(src, 4); \
+} while (0)
+
static void PredictorAdd10_SSE2(const uint32_t* in, const uint32_t* upper,
int num_pixels, uint32_t* out) {
- int i, j;
+ int i;
__m128i L = _mm_cvtsi32_si128(out[-1]);
for (i = 0; i + 4 <= num_pixels; i += 4) {
__m128i src = _mm_loadu_si128((const __m128i*)&in[i]);
@@ -283,79 +302,90 @@ static void PredictorAdd10_SSE2(const uint32_t* in, const uint32_t* upper,
const __m128i TR = _mm_loadu_si128((const __m128i*)&upper[i + 1]);
__m128i avgTTR;
Average2_m128i(&T, &TR, &avgTTR);
- for (j = 0; j < 4; ++j) {
- __m128i avgLTL, avg;
- Average2_m128i(&L, &TL, &avgLTL);
- Average2_m128i(&avgTTR, &avgLTL, &avg);
- L = _mm_add_epi8(avg, src);
- out[i + j] = _mm_cvtsi128_si32(L);
- // Rotate the pre-computed values for the next iteration.
- avgTTR = _mm_srli_si128(avgTTR, 4);
- TL = _mm_srli_si128(TL, 4);
- src = _mm_srli_si128(src, 4);
- }
+ DO_PRED10(0);
+ DO_PRED10_SHIFT;
+ DO_PRED10(1);
+ DO_PRED10_SHIFT;
+ DO_PRED10(2);
+ DO_PRED10_SHIFT;
+ DO_PRED10(3);
}
if (i != num_pixels) {
VP8LPredictorsAdd_C[10](in + i, upper + i, num_pixels - i, out + i);
}
}
+#undef DO_PRED10
+#undef DO_PRED10_SHIFT
// Predictor11: select.
-static void GetSumAbsDiff32(const __m128i* const A, const __m128i* const B,
- __m128i* const out) {
- // We can unpack with any value on the upper 32 bits, provided it's the same
- // on both operands (to that their sum of abs diff is zero). Here we use *A.
- const __m128i A_lo = _mm_unpacklo_epi32(*A, *A);
- const __m128i B_lo = _mm_unpacklo_epi32(*B, *A);
- const __m128i A_hi = _mm_unpackhi_epi32(*A, *A);
- const __m128i B_hi = _mm_unpackhi_epi32(*B, *A);
- const __m128i s_lo = _mm_sad_epu8(A_lo, B_lo);
- const __m128i s_hi = _mm_sad_epu8(A_hi, B_hi);
- *out = _mm_packs_epi32(s_lo, s_hi);
-}
+#define DO_PRED11(OUT) do { \
+ const __m128i L_lo = _mm_unpacklo_epi32(L, T); \
+ const __m128i TL_lo = _mm_unpacklo_epi32(TL, T); \
+ const __m128i pb = _mm_sad_epu8(L_lo, TL_lo); /* pb = sum |L-TL|*/ \
+ const __m128i mask = _mm_cmpgt_epi32(pb, pa); \
+ const __m128i A = _mm_and_si128(mask, L); \
+ const __m128i B = _mm_andnot_si128(mask, T); \
+ const __m128i pred = _mm_or_si128(A, B); /* pred = (pa > b)? L : T*/ \
+ L = _mm_add_epi8(src, pred); \
+ out[i + (OUT)] = _mm_cvtsi128_si32(L); \
+} while (0)
+
+#define DO_PRED11_SHIFT do { \
+ /* Shift the pre-computed value for the next iteration.*/ \
+ T = _mm_srli_si128(T, 4); \
+ TL = _mm_srli_si128(TL, 4); \
+ src = _mm_srli_si128(src, 4); \
+ pa = _mm_srli_si128(pa, 4); \
+} while (0)
static void PredictorAdd11_SSE2(const uint32_t* in, const uint32_t* upper,
int num_pixels, uint32_t* out) {
- int i, j;
+ int i;
+ __m128i pa;
__m128i L = _mm_cvtsi32_si128(out[-1]);
for (i = 0; i + 4 <= num_pixels; i += 4) {
__m128i T = _mm_loadu_si128((const __m128i*)&upper[i]);
__m128i TL = _mm_loadu_si128((const __m128i*)&upper[i - 1]);
__m128i src = _mm_loadu_si128((const __m128i*)&in[i]);
- __m128i pa;
- GetSumAbsDiff32(&T, &TL, &pa); // pa = sum |T-TL|
- for (j = 0; j < 4; ++j) {
- const __m128i L_lo = _mm_unpacklo_epi32(L, L);
- const __m128i TL_lo = _mm_unpacklo_epi32(TL, L);
- const __m128i pb = _mm_sad_epu8(L_lo, TL_lo); // pb = sum |L-TL|
- const __m128i mask = _mm_cmpgt_epi32(pb, pa);
- const __m128i A = _mm_and_si128(mask, L);
- const __m128i B = _mm_andnot_si128(mask, T);
- const __m128i pred = _mm_or_si128(A, B); // pred = (L > T)? L : T
- L = _mm_add_epi8(src, pred);
- out[i + j] = _mm_cvtsi128_si32(L);
- // Shift the pre-computed value for the next iteration.
- T = _mm_srli_si128(T, 4);
- TL = _mm_srli_si128(TL, 4);
- src = _mm_srli_si128(src, 4);
- pa = _mm_srli_si128(pa, 4);
+ {
+ // We can unpack with any value on the upper 32 bits, provided it's the
+ // same on both operands (so that their sum of abs diff is zero). Here we
+ // use T.
+ const __m128i T_lo = _mm_unpacklo_epi32(T, T);
+ const __m128i TL_lo = _mm_unpacklo_epi32(TL, T);
+ const __m128i T_hi = _mm_unpackhi_epi32(T, T);
+ const __m128i TL_hi = _mm_unpackhi_epi32(TL, T);
+ const __m128i s_lo = _mm_sad_epu8(T_lo, TL_lo);
+ const __m128i s_hi = _mm_sad_epu8(T_hi, TL_hi);
+ pa = _mm_packs_epi32(s_lo, s_hi); // pa = sum |T-TL|
}
+ DO_PRED11(0);
+ DO_PRED11_SHIFT;
+ DO_PRED11(1);
+ DO_PRED11_SHIFT;
+ DO_PRED11(2);
+ DO_PRED11_SHIFT;
+ DO_PRED11(3);
}
if (i != num_pixels) {
VP8LPredictorsAdd_C[11](in + i, upper + i, num_pixels - i, out + i);
}
}
+#undef DO_PRED11
+#undef DO_PRED11_SHIFT
// Predictor12: ClampedAddSubtractFull.
-#define DO_PRED12(DIFF, LANE, OUT) \
-do { \
- const __m128i all = _mm_add_epi16(L, (DIFF)); \
- const __m128i alls = _mm_packus_epi16(all, all); \
- const __m128i res = _mm_add_epi8(src, alls); \
- out[i + (OUT)] = _mm_cvtsi128_si32(res); \
- L = _mm_unpacklo_epi8(res, zero); \
+#define DO_PRED12(DIFF, LANE, OUT) do { \
+ const __m128i all = _mm_add_epi16(L, (DIFF)); \
+ const __m128i alls = _mm_packus_epi16(all, all); \
+ const __m128i res = _mm_add_epi8(src, alls); \
+ out[i + (OUT)] = _mm_cvtsi128_si32(res); \
+ L = _mm_unpacklo_epi8(res, zero); \
+} while (0)
+
+#define DO_PRED12_SHIFT(DIFF, LANE) do { \
/* Shift the pre-computed value for the next iteration.*/ \
- if (LANE == 0) (DIFF) = _mm_srli_si128((DIFF), 8); \
+ if ((LANE) == 0) (DIFF) = _mm_srli_si128((DIFF), 8); \
src = _mm_srli_si128(src, 4); \
} while (0)
@@ -377,8 +407,11 @@ static void PredictorAdd12_SSE2(const uint32_t* in, const uint32_t* upper,
__m128i diff_lo = _mm_sub_epi16(T_lo, TL_lo);
__m128i diff_hi = _mm_sub_epi16(T_hi, TL_hi);
DO_PRED12(diff_lo, 0, 0);
+ DO_PRED12_SHIFT(diff_lo, 0);
DO_PRED12(diff_lo, 1, 1);
+ DO_PRED12_SHIFT(diff_lo, 1);
DO_PRED12(diff_hi, 0, 2);
+ DO_PRED12_SHIFT(diff_hi, 0);
DO_PRED12(diff_hi, 1, 3);
}
if (i != num_pixels) {
@@ -386,6 +419,7 @@ static void PredictorAdd12_SSE2(const uint32_t* in, const uint32_t* upper,
}
}
#undef DO_PRED12
+#undef DO_PRED12_SHIFT
// Due to averages with integers, values cannot be accumulated in parallel for
// predictors 13.
@@ -394,8 +428,8 @@ GENERATE_PREDICTOR_ADD(Predictor13_SSE2, PredictorAdd13_SSE2)
//------------------------------------------------------------------------------
// Subtract-Green Transform
-static void AddGreenToBlueAndRed(const uint32_t* const src, int num_pixels,
- uint32_t* dst) {
+static void AddGreenToBlueAndRed_SSE2(const uint32_t* const src, int num_pixels,
+ uint32_t* dst) {
int i;
for (i = 0; i + 4 <= num_pixels; i += 4) {
const __m128i in = _mm_loadu_si128((const __m128i*)&src[i]); // argb
@@ -414,19 +448,16 @@ static void AddGreenToBlueAndRed(const uint32_t* const src, int num_pixels,
//------------------------------------------------------------------------------
// Color Transform
-static void TransformColorInverse(const VP8LMultipliers* const m,
- const uint32_t* const src, int num_pixels,
- uint32_t* dst) {
+static void TransformColorInverse_SSE2(const VP8LMultipliers* const m,
+ const uint32_t* const src,
+ int num_pixels, uint32_t* dst) {
// sign-extended multiplying constants, pre-shifted by 5.
#define CST(X) (((int16_t)(m->X << 8)) >> 5) // sign-extend
- const __m128i mults_rb = _mm_set_epi16(
- CST(green_to_red_), CST(green_to_blue_),
- CST(green_to_red_), CST(green_to_blue_),
- CST(green_to_red_), CST(green_to_blue_),
- CST(green_to_red_), CST(green_to_blue_));
- const __m128i mults_b2 = _mm_set_epi16(
- CST(red_to_blue_), 0, CST(red_to_blue_), 0,
- CST(red_to_blue_), 0, CST(red_to_blue_), 0);
+#define MK_CST_16(HI, LO) \
+ _mm_set1_epi32((int)(((uint32_t)(HI) << 16) | ((LO) & 0xffff)))
+ const __m128i mults_rb = MK_CST_16(CST(green_to_red_), CST(green_to_blue_));
+ const __m128i mults_b2 = MK_CST_16(CST(red_to_blue_), 0);
+#undef MK_CST_16
#undef CST
const __m128i mask_ag = _mm_set1_epi32(0xff00ff00); // alpha-green masks
int i;
@@ -454,8 +485,8 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
//------------------------------------------------------------------------------
// Color-space conversion functions
-static void ConvertBGRAToRGB(const uint32_t* src, int num_pixels,
- uint8_t* dst) {
+static void ConvertBGRAToRGB_SSE2(const uint32_t* src, int num_pixels,
+ uint8_t* dst) {
const __m128i* in = (const __m128i*)src;
__m128i* out = (__m128i*)dst;
@@ -469,11 +500,11 @@ static void ConvertBGRAToRGB(const uint32_t* src, int num_pixels,
__m128i in5 = _mm_loadu_si128(in + 5);
__m128i in6 = _mm_loadu_si128(in + 6);
__m128i in7 = _mm_loadu_si128(in + 7);
- VP8L32bToPlanar(&in0, &in1, &in2, &in3);
- VP8L32bToPlanar(&in4, &in5, &in6, &in7);
+ VP8L32bToPlanar_SSE2(&in0, &in1, &in2, &in3);
+ VP8L32bToPlanar_SSE2(&in4, &in5, &in6, &in7);
// At this points, in1/in5 contains red only, in2/in6 green only ...
// Pack the colors in 24b RGB.
- VP8PlanarTo24b(&in1, &in5, &in2, &in6, &in3, &in7);
+ VP8PlanarTo24b_SSE2(&in1, &in5, &in2, &in6, &in3, &in7);
_mm_storeu_si128(out + 0, in1);
_mm_storeu_si128(out + 1, in5);
_mm_storeu_si128(out + 2, in2);
@@ -490,27 +521,26 @@ static void ConvertBGRAToRGB(const uint32_t* src, int num_pixels,
}
}
-static void ConvertBGRAToRGBA(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGBA_SSE2(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
+ const __m128i red_blue_mask = _mm_set1_epi32(0x00ff00ffu);
const __m128i* in = (const __m128i*)src;
__m128i* out = (__m128i*)dst;
while (num_pixels >= 8) {
- const __m128i bgra0 = _mm_loadu_si128(in++); // bgra0|bgra1|bgra2|bgra3
- const __m128i bgra4 = _mm_loadu_si128(in++); // bgra4|bgra5|bgra6|bgra7
- const __m128i v0l = _mm_unpacklo_epi8(bgra0, bgra4); // b0b4g0g4r0r4a0a4...
- const __m128i v0h = _mm_unpackhi_epi8(bgra0, bgra4); // b2b6g2g6r2r6a2a6...
- const __m128i v1l = _mm_unpacklo_epi8(v0l, v0h); // b0b2b4b6g0g2g4g6...
- const __m128i v1h = _mm_unpackhi_epi8(v0l, v0h); // b1b3b5b7g1g3g5g7...
- const __m128i v2l = _mm_unpacklo_epi8(v1l, v1h); // b0...b7 | g0...g7
- const __m128i v2h = _mm_unpackhi_epi8(v1l, v1h); // r0...r7 | a0...a7
- const __m128i ga0 = _mm_unpackhi_epi64(v2l, v2h); // g0...g7 | a0...a7
- const __m128i rb0 = _mm_unpacklo_epi64(v2h, v2l); // r0...r7 | b0...b7
- const __m128i rg0 = _mm_unpacklo_epi8(rb0, ga0); // r0g0r1g1 ... r6g6r7g7
- const __m128i ba0 = _mm_unpackhi_epi8(rb0, ga0); // b0a0b1a1 ... b6a6b7a7
- const __m128i rgba0 = _mm_unpacklo_epi16(rg0, ba0); // rgba0|rgba1...
- const __m128i rgba4 = _mm_unpackhi_epi16(rg0, ba0); // rgba4|rgba5...
- _mm_storeu_si128(out++, rgba0);
- _mm_storeu_si128(out++, rgba4);
+ const __m128i A1 = _mm_loadu_si128(in++);
+ const __m128i A2 = _mm_loadu_si128(in++);
+ const __m128i B1 = _mm_and_si128(A1, red_blue_mask); // R 0 B 0
+ const __m128i B2 = _mm_and_si128(A2, red_blue_mask); // R 0 B 0
+ const __m128i C1 = _mm_andnot_si128(red_blue_mask, A1); // 0 G 0 A
+ const __m128i C2 = _mm_andnot_si128(red_blue_mask, A2); // 0 G 0 A
+ const __m128i D1 = _mm_shufflelo_epi16(B1, _MM_SHUFFLE(2, 3, 0, 1));
+ const __m128i D2 = _mm_shufflelo_epi16(B2, _MM_SHUFFLE(2, 3, 0, 1));
+ const __m128i E1 = _mm_shufflehi_epi16(D1, _MM_SHUFFLE(2, 3, 0, 1));
+ const __m128i E2 = _mm_shufflehi_epi16(D2, _MM_SHUFFLE(2, 3, 0, 1));
+ const __m128i F1 = _mm_or_si128(E1, C1);
+ const __m128i F2 = _mm_or_si128(E2, C2);
+ _mm_storeu_si128(out++, F1);
+ _mm_storeu_si128(out++, F2);
num_pixels -= 8;
}
// left-overs
@@ -519,8 +549,8 @@ static void ConvertBGRAToRGBA(const uint32_t* src,
}
}
-static void ConvertBGRAToRGBA4444(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGBA4444_SSE2(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const __m128i mask_0x0f = _mm_set1_epi8(0x0f);
const __m128i mask_0xf0 = _mm_set1_epi8(0xf0);
const __m128i* in = (const __m128i*)src;
@@ -541,7 +571,7 @@ static void ConvertBGRAToRGBA4444(const uint32_t* src,
const __m128i ga2 = _mm_and_si128(ga1, mask_0x0f); // g0-|g1-|...|a6-|a7-
const __m128i rgba0 = _mm_or_si128(ga2, rb1); // rg0..rg7 | ba0..ba7
const __m128i rgba1 = _mm_srli_si128(rgba0, 8); // ba0..ba7 | 0
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
const __m128i rgba = _mm_unpacklo_epi8(rgba1, rgba0); // barg0...barg7
#else
const __m128i rgba = _mm_unpacklo_epi8(rgba0, rgba1); // rgba0...rgba7
@@ -555,8 +585,8 @@ static void ConvertBGRAToRGBA4444(const uint32_t* src,
}
}
-static void ConvertBGRAToRGB565(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToRGB565_SSE2(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const __m128i mask_0xe0 = _mm_set1_epi8(0xe0);
const __m128i mask_0xf8 = _mm_set1_epi8(0xf8);
const __m128i mask_0x07 = _mm_set1_epi8(0x07);
@@ -582,7 +612,7 @@ static void ConvertBGRAToRGB565(const uint32_t* src,
const __m128i rg1 = _mm_or_si128(rb1, g_lo2); // gr0...gr7|xx
const __m128i b1 = _mm_srli_epi16(b0, 3);
const __m128i gb1 = _mm_or_si128(b1, g_hi2); // bg0...bg7|xx
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
const __m128i rgba = _mm_unpacklo_epi8(gb1, rg1); // rggb0...rggb7
#else
const __m128i rgba = _mm_unpacklo_epi8(rg1, gb1); // bgrb0...bgrb7
@@ -596,8 +626,8 @@ static void ConvertBGRAToRGB565(const uint32_t* src,
}
}
-static void ConvertBGRAToBGR(const uint32_t* src,
- int num_pixels, uint8_t* dst) {
+static void ConvertBGRAToBGR_SSE2(const uint32_t* src,
+ int num_pixels, uint8_t* dst) {
const __m128i mask_l = _mm_set_epi32(0, 0x00ffffff, 0, 0x00ffffff);
const __m128i mask_h = _mm_set_epi32(0x00ffffff, 0, 0x00ffffff, 0);
const __m128i* in = (const __m128i*)src;
@@ -660,14 +690,14 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitSSE2(void) {
VP8LPredictorsAdd[12] = PredictorAdd12_SSE2;
VP8LPredictorsAdd[13] = PredictorAdd13_SSE2;
- VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed;
- VP8LTransformColorInverse = TransformColorInverse;
+ VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed_SSE2;
+ VP8LTransformColorInverse = TransformColorInverse_SSE2;
- VP8LConvertBGRAToRGB = ConvertBGRAToRGB;
- VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA;
- VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444;
- VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565;
- VP8LConvertBGRAToBGR = ConvertBGRAToBGR;
+ VP8LConvertBGRAToRGB = ConvertBGRAToRGB_SSE2;
+ VP8LConvertBGRAToRGBA = ConvertBGRAToRGBA_SSE2;
+ VP8LConvertBGRAToRGBA4444 = ConvertBGRAToRGBA4444_SSE2;
+ VP8LConvertBGRAToRGB565 = ConvertBGRAToRGB565_SSE2;
+ VP8LConvertBGRAToBGR = ConvertBGRAToBGR_SSE2;
}
#else // !WEBP_USE_SSE2
diff --git a/media/libwebp/dsp/msa_macro.h b/media/libwebp/dsp/msa_macro.h
index d0e5f45e0..dfacda6cc 100644
--- a/media/libwebp/dsp/msa_macro.h
+++ b/media/libwebp/dsp/msa_macro.h
@@ -22,6 +22,7 @@
#endif
#ifdef CLANG_BUILD
+ #define ALPHAVAL (-1)
#define ADDVI_H(a, b) __msa_addvi_h((v8i16)a, b)
#define ADDVI_W(a, b) __msa_addvi_w((v4i32)a, b)
#define SRAI_B(a, b) __msa_srai_b((v16i8)a, b)
@@ -32,6 +33,7 @@
#define ANDI_B(a, b) __msa_andi_b((v16u8)a, b)
#define ORI_B(a, b) __msa_ori_b((v16u8)a, b)
#else
+ #define ALPHAVAL (0xff)
#define ADDVI_H(a, b) (a + b)
#define ADDVI_W(a, b) (a + b)
#define SRAI_B(a, b) (a >> b)
diff --git a/media/libwebp/dsp/neon.h b/media/libwebp/dsp/neon.h
index 3b548a685..63c27a290 100644
--- a/media/libwebp/dsp/neon.h
+++ b/media/libwebp/dsp/neon.h
@@ -14,11 +14,12 @@
#include <arm_neon.h>
-#include "./dsp.h"
+#include "../dsp/dsp.h"
// Right now, some intrinsics functions seem slower, so we disable them
-// everywhere except aarch64 where the inline assembly is incompatible.
-#if defined(__aarch64__)
+// everywhere except newer clang/gcc or aarch64 where the inline assembly is
+// incompatible.
+#if LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,9) || defined(__aarch64__)
#define WEBP_USE_INTRINSICS // use intrinsics when possible
#endif
@@ -43,11 +44,11 @@
// if using intrinsics, this flag avoids some functions that make gcc-4.6.3
// crash ("internal compiler error: in immed_double_const, at emit-rtl.").
// (probably similar to gcc.gnu.org/bugzilla/show_bug.cgi?id=48183)
-#if !(LOCAL_GCC_PREREQ(4,8) || defined(__aarch64__))
+#if !(LOCAL_CLANG_PREREQ(3,8) || LOCAL_GCC_PREREQ(4,8) || defined(__aarch64__))
#define WORK_AROUND_GCC
#endif
-static WEBP_INLINE int32x4x4_t Transpose4x4(const int32x4x4_t rows) {
+static WEBP_INLINE int32x4x4_t Transpose4x4_NEON(const int32x4x4_t rows) {
uint64x2x2_t row01, row23;
row01.val[0] = vreinterpretq_u64_s32(rows.val[0]);
diff --git a/media/libwebp/dsp/rescaler.c b/media/libwebp/dsp/rescaler.c
index 0f5450235..f70e6beef 100644
--- a/media/libwebp/dsp/rescaler.c
+++ b/media/libwebp/dsp/rescaler.c
@@ -13,7 +13,7 @@
#include <assert.h>
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#include "../utils/rescaler_utils.h"
//------------------------------------------------------------------------------
@@ -25,7 +25,8 @@
//------------------------------------------------------------------------------
// Row import
-void WebPRescalerImportRowExpandC(WebPRescaler* const wrk, const uint8_t* src) {
+void WebPRescalerImportRowExpand_C(WebPRescaler* const wrk,
+ const uint8_t* src) {
const int x_stride = wrk->num_channels;
const int x_out_max = wrk->dst_width * wrk->num_channels;
int channel;
@@ -56,7 +57,8 @@ void WebPRescalerImportRowExpandC(WebPRescaler* const wrk, const uint8_t* src) {
}
}
-void WebPRescalerImportRowShrinkC(WebPRescaler* const wrk, const uint8_t* src) {
+void WebPRescalerImportRowShrink_C(WebPRescaler* const wrk,
+ const uint8_t* src) {
const int x_stride = wrk->num_channels;
const int x_out_max = wrk->dst_width * wrk->num_channels;
int channel;
@@ -92,7 +94,7 @@ void WebPRescalerImportRowShrinkC(WebPRescaler* const wrk, const uint8_t* src) {
//------------------------------------------------------------------------------
// Row export
-void WebPRescalerExportRowExpandC(WebPRescaler* const wrk) {
+void WebPRescalerExportRowExpand_C(WebPRescaler* const wrk) {
int x_out;
uint8_t* const dst = wrk->dst;
rescaler_t* const irow = wrk->irow;
@@ -123,7 +125,7 @@ void WebPRescalerExportRowExpandC(WebPRescaler* const wrk) {
}
}
-void WebPRescalerExportRowShrinkC(WebPRescaler* const wrk) {
+void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) {
int x_out;
uint8_t* const dst = wrk->dst;
rescaler_t* const irow = wrk->irow;
@@ -202,16 +204,15 @@ extern void WebPRescalerDspInitMIPSdspR2(void);
extern void WebPRescalerDspInitMSA(void);
extern void WebPRescalerDspInitNEON(void);
-static volatile VP8CPUInfo rescaler_last_cpuinfo_used =
- (VP8CPUInfo)&rescaler_last_cpuinfo_used;
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInit(void) {
- if (rescaler_last_cpuinfo_used == VP8GetCPUInfo) return;
+WEBP_DSP_INIT_FUNC(WebPRescalerDspInit) {
+#if !defined(WEBP_REDUCE_SIZE)
+#if !WEBP_NEON_OMIT_C_CODE
+ WebPRescalerExportRowExpand = WebPRescalerExportRowExpand_C;
+ WebPRescalerExportRowShrink = WebPRescalerExportRowShrink_C;
+#endif
- WebPRescalerImportRowExpand = WebPRescalerImportRowExpandC;
- WebPRescalerImportRowShrink = WebPRescalerImportRowShrinkC;
- WebPRescalerExportRowExpand = WebPRescalerExportRowExpandC;
- WebPRescalerExportRowShrink = WebPRescalerExportRowShrinkC;
+ WebPRescalerImportRowExpand = WebPRescalerImportRowExpand_C;
+ WebPRescalerImportRowShrink = WebPRescalerImportRowShrink_C;
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
@@ -219,11 +220,6 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInit(void) {
WebPRescalerDspInitSSE2();
}
#endif
-#if defined(WEBP_USE_NEON)
- if (VP8GetCPUInfo(kNEON)) {
- WebPRescalerDspInitNEON();
- }
-#endif
#if defined(WEBP_USE_MIPS32)
if (VP8GetCPUInfo(kMIPS32)) {
WebPRescalerDspInitMIPS32();
@@ -240,5 +236,17 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInit(void) {
}
#endif
}
- rescaler_last_cpuinfo_used = VP8GetCPUInfo;
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ WebPRescalerDspInitNEON();
+ }
+#endif
+
+ assert(WebPRescalerExportRowExpand != NULL);
+ assert(WebPRescalerExportRowShrink != NULL);
+ assert(WebPRescalerImportRowExpand != NULL);
+ assert(WebPRescalerImportRowShrink != NULL);
+#endif // WEBP_REDUCE_SIZE
}
diff --git a/media/libwebp/dsp/rescaler_neon.c b/media/libwebp/dsp/rescaler_neon.c
index b2dd8f30c..835e646c1 100644
--- a/media/libwebp/dsp/rescaler_neon.c
+++ b/media/libwebp/dsp/rescaler_neon.c
@@ -11,13 +11,13 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
-#if defined(WEBP_USE_NEON)
+#if defined(WEBP_USE_NEON) && !defined(WEBP_REDUCE_SIZE)
#include <arm_neon.h>
#include <assert.h>
-#include "./neon.h"
+#include "../dsp/neon.h"
#include "../utils/rescaler_utils.h"
#define ROUNDER (WEBP_RESCALER_ONE >> 1)
@@ -41,9 +41,9 @@
#error "MULT_FIX/WEBP_RESCALER_RFIX need some more work"
#endif
-static uint32x4_t Interpolate(const rescaler_t* const frow,
- const rescaler_t* const irow,
- uint32_t A, uint32_t B) {
+static uint32x4_t Interpolate_NEON(const rescaler_t* const frow,
+ const rescaler_t* const irow,
+ uint32_t A, uint32_t B) {
LOAD_32x4(frow, A0);
LOAD_32x4(irow, B0);
const uint64x2_t C0 = vmull_n_u32(vget_low_u32(A0), A);
@@ -56,7 +56,7 @@ static uint32x4_t Interpolate(const rescaler_t* const frow,
return E;
}
-static void RescalerExportRowExpand(WebPRescaler* const wrk) {
+static void RescalerExportRowExpand_NEON(WebPRescaler* const wrk) {
int x_out;
uint8_t* const dst = wrk->dst;
rescaler_t* const irow = wrk->irow;
@@ -91,9 +91,9 @@ static void RescalerExportRowExpand(WebPRescaler* const wrk) {
const uint32_t A = (uint32_t)(WEBP_RESCALER_ONE - B);
for (x_out = 0; x_out < max_span; x_out += 8) {
const uint32x4_t C0 =
- Interpolate(frow + x_out + 0, irow + x_out + 0, A, B);
+ Interpolate_NEON(frow + x_out + 0, irow + x_out + 0, A, B);
const uint32x4_t C1 =
- Interpolate(frow + x_out + 4, irow + x_out + 4, A, B);
+ Interpolate_NEON(frow + x_out + 4, irow + x_out + 4, A, B);
const uint32x4_t D0 = MULT_FIX(C0, fy_scale_half);
const uint32x4_t D1 = MULT_FIX(C1, fy_scale_half);
const uint16x4_t E0 = vmovn_u32(D0);
@@ -112,7 +112,7 @@ static void RescalerExportRowExpand(WebPRescaler* const wrk) {
}
}
-static void RescalerExportRowShrink(WebPRescaler* const wrk) {
+static void RescalerExportRowShrink_NEON(WebPRescaler* const wrk) {
int x_out;
uint8_t* const dst = wrk->dst;
rescaler_t* const irow = wrk->irow;
@@ -175,8 +175,8 @@ static void RescalerExportRowShrink(WebPRescaler* const wrk) {
extern void WebPRescalerDspInitNEON(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitNEON(void) {
- WebPRescalerExportRowExpand = RescalerExportRowExpand;
- WebPRescalerExportRowShrink = RescalerExportRowShrink;
+ WebPRescalerExportRowExpand = RescalerExportRowExpand_NEON;
+ WebPRescalerExportRowShrink = RescalerExportRowShrink_NEON;
}
#else // !WEBP_USE_NEON
diff --git a/media/libwebp/dsp/rescaler_sse2.c b/media/libwebp/dsp/rescaler_sse2.c
index 8271c22e0..1306f8457 100644
--- a/media/libwebp/dsp/rescaler_sse2.c
+++ b/media/libwebp/dsp/rescaler_sse2.c
@@ -11,9 +11,9 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
-#if defined(WEBP_USE_SSE2)
+#if defined(WEBP_USE_SSE2) && !defined(WEBP_REDUCE_SIZE)
#include <emmintrin.h>
#include <assert.h>
@@ -27,7 +27,7 @@
#define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX)
// input: 8 bytes ABCDEFGH -> output: A0E0B0F0C0G0D0H0
-static void LoadTwoPixels(const uint8_t* const src, __m128i* out) {
+static void LoadTwoPixels_SSE2(const uint8_t* const src, __m128i* out) {
const __m128i zero = _mm_setzero_si128();
const __m128i A = _mm_loadl_epi64((const __m128i*)(src)); // ABCDEFGH
const __m128i B = _mm_unpacklo_epi8(A, zero); // A0B0C0D0E0F0G0H0
@@ -36,28 +36,30 @@ static void LoadTwoPixels(const uint8_t* const src, __m128i* out) {
}
// input: 8 bytes ABCDEFGH -> output: A0B0C0D0E0F0G0H0
-static void LoadHeightPixels(const uint8_t* const src, __m128i* out) {
+static void LoadEightPixels_SSE2(const uint8_t* const src, __m128i* out) {
const __m128i zero = _mm_setzero_si128();
const __m128i A = _mm_loadl_epi64((const __m128i*)(src)); // ABCDEFGH
*out = _mm_unpacklo_epi8(A, zero);
}
-static void RescalerImportRowExpandSSE2(WebPRescaler* const wrk,
- const uint8_t* src) {
+static void RescalerImportRowExpand_SSE2(WebPRescaler* const wrk,
+ const uint8_t* src) {
rescaler_t* frow = wrk->frow;
const rescaler_t* const frow_end = frow + wrk->dst_width * wrk->num_channels;
const int x_add = wrk->x_add;
int accum = x_add;
__m128i cur_pixels;
+ // SSE2 implementation only works with 16b signed arithmetic at max.
+ if (wrk->src_width < 8 || accum >= (1 << 15)) {
+ WebPRescalerImportRowExpand_C(wrk, src);
+ return;
+ }
+
assert(!WebPRescalerInputDone(wrk));
assert(wrk->x_expand);
if (wrk->num_channels == 4) {
- if (wrk->src_width < 2) {
- WebPRescalerImportRowExpandC(wrk, src);
- return;
- }
- LoadTwoPixels(src, &cur_pixels);
+ LoadTwoPixels_SSE2(src, &cur_pixels);
src += 4;
while (1) {
const __m128i mult = _mm_set1_epi32(((x_add - accum) << 16) | accum);
@@ -67,7 +69,7 @@ static void RescalerImportRowExpandSSE2(WebPRescaler* const wrk,
if (frow >= frow_end) break;
accum -= wrk->x_sub;
if (accum < 0) {
- LoadTwoPixels(src, &cur_pixels);
+ LoadTwoPixels_SSE2(src, &cur_pixels);
src += 4;
accum += x_add;
}
@@ -75,11 +77,7 @@ static void RescalerImportRowExpandSSE2(WebPRescaler* const wrk,
} else {
int left;
const uint8_t* const src_limit = src + wrk->src_width - 8;
- if (wrk->src_width < 8) {
- WebPRescalerImportRowExpandC(wrk, src);
- return;
- }
- LoadHeightPixels(src, &cur_pixels);
+ LoadEightPixels_SSE2(src, &cur_pixels);
src += 7;
left = 7;
while (1) {
@@ -94,7 +92,7 @@ static void RescalerImportRowExpandSSE2(WebPRescaler* const wrk,
if (--left) {
cur_pixels = _mm_srli_si128(cur_pixels, 2);
} else if (src <= src_limit) {
- LoadHeightPixels(src, &cur_pixels);
+ LoadEightPixels_SSE2(src, &cur_pixels);
src += 7;
left = 7;
} else { // tail
@@ -110,8 +108,8 @@ static void RescalerImportRowExpandSSE2(WebPRescaler* const wrk,
assert(accum == 0);
}
-static void RescalerImportRowShrinkSSE2(WebPRescaler* const wrk,
- const uint8_t* src) {
+static void RescalerImportRowShrink_SSE2(WebPRescaler* const wrk,
+ const uint8_t* src) {
const int x_sub = wrk->x_sub;
int accum = 0;
const __m128i zero = _mm_setzero_si128();
@@ -123,7 +121,7 @@ static void RescalerImportRowShrinkSSE2(WebPRescaler* const wrk,
const rescaler_t* const frow_end = wrk->frow + 4 * wrk->dst_width;
if (wrk->num_channels != 4 || wrk->x_add > (x_sub << 7)) {
- WebPRescalerImportRowShrinkC(wrk, src);
+ WebPRescalerImportRowShrink_C(wrk, src);
return;
}
assert(!WebPRescalerInputDone(wrk));
@@ -169,12 +167,12 @@ static void RescalerImportRowShrinkSSE2(WebPRescaler* const wrk,
// Row export
// load *src as epi64, multiply by mult and store result in [out0 ... out3]
-static WEBP_INLINE void LoadDispatchAndMult(const rescaler_t* const src,
- const __m128i* const mult,
- __m128i* const out0,
- __m128i* const out1,
- __m128i* const out2,
- __m128i* const out3) {
+static WEBP_INLINE void LoadDispatchAndMult_SSE2(const rescaler_t* const src,
+ const __m128i* const mult,
+ __m128i* const out0,
+ __m128i* const out1,
+ __m128i* const out2,
+ __m128i* const out3) {
const __m128i A0 = _mm_loadu_si128((const __m128i*)(src + 0));
const __m128i A1 = _mm_loadu_si128((const __m128i*)(src + 4));
const __m128i A2 = _mm_srli_epi64(A0, 32);
@@ -192,12 +190,12 @@ static WEBP_INLINE void LoadDispatchAndMult(const rescaler_t* const src,
}
}
-static WEBP_INLINE void ProcessRow(const __m128i* const A0,
- const __m128i* const A1,
- const __m128i* const A2,
- const __m128i* const A3,
- const __m128i* const mult,
- uint8_t* const dst) {
+static WEBP_INLINE void ProcessRow_SSE2(const __m128i* const A0,
+ const __m128i* const A1,
+ const __m128i* const A2,
+ const __m128i* const A3,
+ const __m128i* const mult,
+ uint8_t* const dst) {
const __m128i rounder = _mm_set_epi32(0, ROUNDER, 0, ROUNDER);
const __m128i mask = _mm_set_epi32(0xffffffffu, 0, 0xffffffffu, 0);
const __m128i B0 = _mm_mul_epu32(*A0, *mult);
@@ -210,7 +208,7 @@ static WEBP_INLINE void ProcessRow(const __m128i* const A0,
const __m128i C3 = _mm_add_epi64(B3, rounder);
const __m128i D0 = _mm_srli_epi64(C0, WEBP_RESCALER_RFIX);
const __m128i D1 = _mm_srli_epi64(C1, WEBP_RESCALER_RFIX);
-#if (WEBP_RESCALER_FIX < 32)
+#if (WEBP_RESCALER_RFIX < 32)
const __m128i D2 =
_mm_and_si128(_mm_slli_epi64(C2, 32 - WEBP_RESCALER_RFIX), mask);
const __m128i D3 =
@@ -226,7 +224,7 @@ static WEBP_INLINE void ProcessRow(const __m128i* const A0,
_mm_storel_epi64((__m128i*)dst, G);
}
-static void RescalerExportRowExpandSSE2(WebPRescaler* const wrk) {
+static void RescalerExportRowExpand_SSE2(WebPRescaler* const wrk) {
int x_out;
uint8_t* const dst = wrk->dst;
rescaler_t* const irow = wrk->irow;
@@ -240,8 +238,8 @@ static void RescalerExportRowExpandSSE2(WebPRescaler* const wrk) {
if (wrk->y_accum == 0) {
for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) {
__m128i A0, A1, A2, A3;
- LoadDispatchAndMult(frow + x_out, NULL, &A0, &A1, &A2, &A3);
- ProcessRow(&A0, &A1, &A2, &A3, &mult, dst + x_out);
+ LoadDispatchAndMult_SSE2(frow + x_out, NULL, &A0, &A1, &A2, &A3);
+ ProcessRow_SSE2(&A0, &A1, &A2, &A3, &mult, dst + x_out);
}
for (; x_out < x_out_max; ++x_out) {
const uint32_t J = frow[x_out];
@@ -257,8 +255,8 @@ static void RescalerExportRowExpandSSE2(WebPRescaler* const wrk) {
const __m128i rounder = _mm_set_epi32(0, ROUNDER, 0, ROUNDER);
for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) {
__m128i A0, A1, A2, A3, B0, B1, B2, B3;
- LoadDispatchAndMult(frow + x_out, &mA, &A0, &A1, &A2, &A3);
- LoadDispatchAndMult(irow + x_out, &mB, &B0, &B1, &B2, &B3);
+ LoadDispatchAndMult_SSE2(frow + x_out, &mA, &A0, &A1, &A2, &A3);
+ LoadDispatchAndMult_SSE2(irow + x_out, &mB, &B0, &B1, &B2, &B3);
{
const __m128i C0 = _mm_add_epi64(A0, B0);
const __m128i C1 = _mm_add_epi64(A1, B1);
@@ -272,7 +270,7 @@ static void RescalerExportRowExpandSSE2(WebPRescaler* const wrk) {
const __m128i E1 = _mm_srli_epi64(D1, WEBP_RESCALER_RFIX);
const __m128i E2 = _mm_srli_epi64(D2, WEBP_RESCALER_RFIX);
const __m128i E3 = _mm_srli_epi64(D3, WEBP_RESCALER_RFIX);
- ProcessRow(&E0, &E1, &E2, &E3, &mult, dst + x_out);
+ ProcessRow_SSE2(&E0, &E1, &E2, &E3, &mult, dst + x_out);
}
}
for (; x_out < x_out_max; ++x_out) {
@@ -286,7 +284,7 @@ static void RescalerExportRowExpandSSE2(WebPRescaler* const wrk) {
}
}
-static void RescalerExportRowShrinkSSE2(WebPRescaler* const wrk) {
+static void RescalerExportRowShrink_SSE2(WebPRescaler* const wrk) {
int x_out;
uint8_t* const dst = wrk->dst;
rescaler_t* const irow = wrk->irow;
@@ -303,8 +301,8 @@ static void RescalerExportRowShrinkSSE2(WebPRescaler* const wrk) {
const __m128i rounder = _mm_set_epi32(0, ROUNDER, 0, ROUNDER);
for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) {
__m128i A0, A1, A2, A3, B0, B1, B2, B3;
- LoadDispatchAndMult(irow + x_out, NULL, &A0, &A1, &A2, &A3);
- LoadDispatchAndMult(frow + x_out, &mult_y, &B0, &B1, &B2, &B3);
+ LoadDispatchAndMult_SSE2(irow + x_out, NULL, &A0, &A1, &A2, &A3);
+ LoadDispatchAndMult_SSE2(frow + x_out, &mult_y, &B0, &B1, &B2, &B3);
{
const __m128i C0 = _mm_add_epi64(B0, rounder);
const __m128i C1 = _mm_add_epi64(B1, rounder);
@@ -324,7 +322,7 @@ static void RescalerExportRowShrinkSSE2(WebPRescaler* const wrk) {
const __m128i G1 = _mm_or_si128(D1, F3);
_mm_storeu_si128((__m128i*)(irow + x_out + 0), G0);
_mm_storeu_si128((__m128i*)(irow + x_out + 4), G1);
- ProcessRow(&E0, &E1, &E2, &E3, &mult_xy, dst + x_out);
+ ProcessRow_SSE2(&E0, &E1, &E2, &E3, &mult_xy, dst + x_out);
}
}
for (; x_out < x_out_max; ++x_out) {
@@ -340,10 +338,10 @@ static void RescalerExportRowShrinkSSE2(WebPRescaler* const wrk) {
const __m128i zero = _mm_setzero_si128();
for (x_out = 0; x_out + 8 <= x_out_max; x_out += 8) {
__m128i A0, A1, A2, A3;
- LoadDispatchAndMult(irow + x_out, NULL, &A0, &A1, &A2, &A3);
+ LoadDispatchAndMult_SSE2(irow + x_out, NULL, &A0, &A1, &A2, &A3);
_mm_storeu_si128((__m128i*)(irow + x_out + 0), zero);
_mm_storeu_si128((__m128i*)(irow + x_out + 4), zero);
- ProcessRow(&A0, &A1, &A2, &A3, &mult, dst + x_out);
+ ProcessRow_SSE2(&A0, &A1, &A2, &A3, &mult, dst + x_out);
}
for (; x_out < x_out_max; ++x_out) {
const int v = (int)MULT_FIX(irow[x_out], scale);
@@ -362,10 +360,10 @@ static void RescalerExportRowShrinkSSE2(WebPRescaler* const wrk) {
extern void WebPRescalerDspInitSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitSSE2(void) {
- WebPRescalerImportRowExpand = RescalerImportRowExpandSSE2;
- WebPRescalerImportRowShrink = RescalerImportRowShrinkSSE2;
- WebPRescalerExportRowExpand = RescalerExportRowExpandSSE2;
- WebPRescalerExportRowShrink = RescalerExportRowShrinkSSE2;
+ WebPRescalerImportRowExpand = RescalerImportRowExpand_SSE2;
+ WebPRescalerImportRowShrink = RescalerImportRowShrink_SSE2;
+ WebPRescalerExportRowExpand = RescalerExportRowExpand_SSE2;
+ WebPRescalerExportRowShrink = RescalerExportRowShrink_SSE2;
}
#else // !WEBP_USE_SSE2
diff --git a/media/libwebp/dsp/upsampling.c b/media/libwebp/dsp/upsampling.c
index 265e722c1..b76483a3a 100644
--- a/media/libwebp/dsp/upsampling.c
+++ b/media/libwebp/dsp/upsampling.c
@@ -11,8 +11,8 @@
//
// Author: somnath@google.com (Somnath Banerjee)
-#include "./dsp.h"
-#include "./yuv.h"
+#include "../dsp/dsp.h"
+#include "../dsp/yuv.h"
#include <assert.h>
@@ -63,17 +63,17 @@ static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \
const uint32_t uv0 = (diag_12 + tl_uv) >> 1; \
const uint32_t uv1 = (diag_03 + t_uv) >> 1; \
FUNC(top_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \
- top_dst + (2 * x - 1) * XSTEP); \
+ top_dst + (2 * x - 1) * (XSTEP)); \
FUNC(top_y[2 * x - 0], uv1 & 0xff, (uv1 >> 16), \
- top_dst + (2 * x - 0) * XSTEP); \
+ top_dst + (2 * x - 0) * (XSTEP)); \
} \
if (bottom_y != NULL) { \
const uint32_t uv0 = (diag_03 + l_uv) >> 1; \
const uint32_t uv1 = (diag_12 + uv) >> 1; \
FUNC(bottom_y[2 * x - 1], uv0 & 0xff, (uv0 >> 16), \
- bottom_dst + (2 * x - 1) * XSTEP); \
+ bottom_dst + (2 * x - 1) * (XSTEP)); \
FUNC(bottom_y[2 * x + 0], uv1 & 0xff, (uv1 >> 16), \
- bottom_dst + (2 * x + 0) * XSTEP); \
+ bottom_dst + (2 * x + 0) * (XSTEP)); \
} \
tl_uv = t_uv; \
l_uv = uv; \
@@ -82,24 +82,50 @@ static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \
{ \
const uint32_t uv0 = (3 * tl_uv + l_uv + 0x00020002u) >> 2; \
FUNC(top_y[len - 1], uv0 & 0xff, (uv0 >> 16), \
- top_dst + (len - 1) * XSTEP); \
+ top_dst + (len - 1) * (XSTEP)); \
} \
if (bottom_y != NULL) { \
const uint32_t uv0 = (3 * l_uv + tl_uv + 0x00020002u) >> 2; \
FUNC(bottom_y[len - 1], uv0 & 0xff, (uv0 >> 16), \
- bottom_dst + (len - 1) * XSTEP); \
+ bottom_dst + (len - 1) * (XSTEP)); \
} \
} \
}
// All variants implemented.
-UPSAMPLE_FUNC(UpsampleRgbLinePair, VP8YuvToRgb, 3)
-UPSAMPLE_FUNC(UpsampleBgrLinePair, VP8YuvToBgr, 3)
-UPSAMPLE_FUNC(UpsampleRgbaLinePair, VP8YuvToRgba, 4)
-UPSAMPLE_FUNC(UpsampleBgraLinePair, VP8YuvToBgra, 4)
-UPSAMPLE_FUNC(UpsampleArgbLinePair, VP8YuvToArgb, 4)
-UPSAMPLE_FUNC(UpsampleRgba4444LinePair, VP8YuvToRgba4444, 2)
-UPSAMPLE_FUNC(UpsampleRgb565LinePair, VP8YuvToRgb565, 2)
+#if !WEBP_NEON_OMIT_C_CODE
+UPSAMPLE_FUNC(UpsampleRgbaLinePair_C, VP8YuvToRgba, 4)
+UPSAMPLE_FUNC(UpsampleBgraLinePair_C, VP8YuvToBgra, 4)
+#if !defined(WEBP_REDUCE_CSP)
+UPSAMPLE_FUNC(UpsampleArgbLinePair_C, VP8YuvToArgb, 4)
+UPSAMPLE_FUNC(UpsampleRgbLinePair_C, VP8YuvToRgb, 3)
+UPSAMPLE_FUNC(UpsampleBgrLinePair_C, VP8YuvToBgr, 3)
+UPSAMPLE_FUNC(UpsampleRgba4444LinePair_C, VP8YuvToRgba4444, 2)
+UPSAMPLE_FUNC(UpsampleRgb565LinePair_C, VP8YuvToRgb565, 2)
+#else
+static void EmptyUpsampleFunc(const uint8_t* top_y, const uint8_t* bottom_y,
+ const uint8_t* top_u, const uint8_t* top_v,
+ const uint8_t* cur_u, const uint8_t* cur_v,
+ uint8_t* top_dst, uint8_t* bottom_dst, int len) {
+ (void)top_y;
+ (void)bottom_y;
+ (void)top_u;
+ (void)top_v;
+ (void)cur_u;
+ (void)cur_v;
+ (void)top_dst;
+ (void)bottom_dst;
+ (void)len;
+ assert(0); // COLORSPACE SUPPORT NOT COMPILED
+}
+#define UpsampleArgbLinePair_C EmptyUpsampleFunc
+#define UpsampleRgbLinePair_C EmptyUpsampleFunc
+#define UpsampleBgrLinePair_C EmptyUpsampleFunc
+#define UpsampleRgba4444LinePair_C EmptyUpsampleFunc
+#define UpsampleRgb565LinePair_C EmptyUpsampleFunc
+#endif // WEBP_REDUCE_CSP
+
+#endif
#undef LOAD_UV
#undef UPSAMPLE_FUNC
@@ -141,7 +167,6 @@ DUAL_SAMPLE_FUNC(DualLineSamplerARGB, VP8YuvToArgb)
WebPUpsampleLinePairFunc WebPGetLinePairConverter(int alpha_is_last) {
WebPInitUpsamplers();
- VP8YUVInit();
#ifdef FANCY_UPSAMPLING
return WebPUpsamplers[alpha_is_last ? MODE_BGRA : MODE_ARGB];
#else
@@ -158,16 +183,33 @@ extern void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \
void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \
uint8_t* dst, int len) { \
int i; \
- for (i = 0; i < len; ++i) FUNC(y[i], u[i], v[i], &dst[i * XSTEP]); \
+ for (i = 0; i < len; ++i) FUNC(y[i], u[i], v[i], &dst[i * (XSTEP)]); \
}
-YUV444_FUNC(WebPYuv444ToRgbC, VP8YuvToRgb, 3)
-YUV444_FUNC(WebPYuv444ToBgrC, VP8YuvToBgr, 3)
-YUV444_FUNC(WebPYuv444ToRgbaC, VP8YuvToRgba, 4)
-YUV444_FUNC(WebPYuv444ToBgraC, VP8YuvToBgra, 4)
-YUV444_FUNC(WebPYuv444ToArgbC, VP8YuvToArgb, 4)
-YUV444_FUNC(WebPYuv444ToRgba4444C, VP8YuvToRgba4444, 2)
-YUV444_FUNC(WebPYuv444ToRgb565C, VP8YuvToRgb565, 2)
+YUV444_FUNC(WebPYuv444ToRgba_C, VP8YuvToRgba, 4)
+YUV444_FUNC(WebPYuv444ToBgra_C, VP8YuvToBgra, 4)
+#if !defined(WEBP_REDUCE_CSP)
+YUV444_FUNC(WebPYuv444ToRgb_C, VP8YuvToRgb, 3)
+YUV444_FUNC(WebPYuv444ToBgr_C, VP8YuvToBgr, 3)
+YUV444_FUNC(WebPYuv444ToArgb_C, VP8YuvToArgb, 4)
+YUV444_FUNC(WebPYuv444ToRgba4444_C, VP8YuvToRgba4444, 2)
+YUV444_FUNC(WebPYuv444ToRgb565_C, VP8YuvToRgb565, 2)
+#else
+static void EmptyYuv444Func(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
+ (void)y;
+ (void)u;
+ (void)v;
+ (void)dst;
+ (void)len;
+}
+#define WebPYuv444ToRgb_C EmptyYuv444Func
+#define WebPYuv444ToBgr_C EmptyYuv444Func
+#define WebPYuv444ToArgb_C EmptyYuv444Func
+#define WebPYuv444ToRgba4444_C EmptyYuv444Func
+#define WebPYuv444ToRgb565_C EmptyYuv444Func
+#endif // WEBP_REDUCE_CSP
#undef YUV444_FUNC
@@ -175,24 +217,20 @@ WebPYUV444Converter WebPYUV444Converters[MODE_LAST];
extern void WebPInitYUV444ConvertersMIPSdspR2(void);
extern void WebPInitYUV444ConvertersSSE2(void);
-
-static volatile VP8CPUInfo upsampling_last_cpuinfo_used1 =
- (VP8CPUInfo)&upsampling_last_cpuinfo_used1;
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444Converters(void) {
- if (upsampling_last_cpuinfo_used1 == VP8GetCPUInfo) return;
-
- WebPYUV444Converters[MODE_RGB] = WebPYuv444ToRgbC;
- WebPYUV444Converters[MODE_RGBA] = WebPYuv444ToRgbaC;
- WebPYUV444Converters[MODE_BGR] = WebPYuv444ToBgrC;
- WebPYUV444Converters[MODE_BGRA] = WebPYuv444ToBgraC;
- WebPYUV444Converters[MODE_ARGB] = WebPYuv444ToArgbC;
- WebPYUV444Converters[MODE_RGBA_4444] = WebPYuv444ToRgba4444C;
- WebPYUV444Converters[MODE_RGB_565] = WebPYuv444ToRgb565C;
- WebPYUV444Converters[MODE_rgbA] = WebPYuv444ToRgbaC;
- WebPYUV444Converters[MODE_bgrA] = WebPYuv444ToBgraC;
- WebPYUV444Converters[MODE_Argb] = WebPYuv444ToArgbC;
- WebPYUV444Converters[MODE_rgbA_4444] = WebPYuv444ToRgba4444C;
+extern void WebPInitYUV444ConvertersSSE41(void);
+
+WEBP_DSP_INIT_FUNC(WebPInitYUV444Converters) {
+ WebPYUV444Converters[MODE_RGBA] = WebPYuv444ToRgba_C;
+ WebPYUV444Converters[MODE_BGRA] = WebPYuv444ToBgra_C;
+ WebPYUV444Converters[MODE_RGB] = WebPYuv444ToRgb_C;
+ WebPYUV444Converters[MODE_BGR] = WebPYuv444ToBgr_C;
+ WebPYUV444Converters[MODE_ARGB] = WebPYuv444ToArgb_C;
+ WebPYUV444Converters[MODE_RGBA_4444] = WebPYuv444ToRgba4444_C;
+ WebPYUV444Converters[MODE_RGB_565] = WebPYuv444ToRgb565_C;
+ WebPYUV444Converters[MODE_rgbA] = WebPYuv444ToRgba_C;
+ WebPYUV444Converters[MODE_bgrA] = WebPYuv444ToBgra_C;
+ WebPYUV444Converters[MODE_Argb] = WebPYuv444ToArgb_C;
+ WebPYUV444Converters[MODE_rgbA_4444] = WebPYuv444ToRgba4444_C;
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
@@ -200,41 +238,43 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444Converters(void) {
WebPInitYUV444ConvertersSSE2();
}
#endif
+#if defined(WEBP_USE_SSE41)
+ if (VP8GetCPUInfo(kSSE4_1)) {
+ WebPInitYUV444ConvertersSSE41();
+ }
+#endif
#if defined(WEBP_USE_MIPS_DSP_R2)
if (VP8GetCPUInfo(kMIPSdspR2)) {
WebPInitYUV444ConvertersMIPSdspR2();
}
#endif
}
- upsampling_last_cpuinfo_used1 = VP8GetCPUInfo;
}
//------------------------------------------------------------------------------
// Main calls
extern void WebPInitUpsamplersSSE2(void);
+extern void WebPInitUpsamplersSSE41(void);
extern void WebPInitUpsamplersNEON(void);
extern void WebPInitUpsamplersMIPSdspR2(void);
extern void WebPInitUpsamplersMSA(void);
-static volatile VP8CPUInfo upsampling_last_cpuinfo_used2 =
- (VP8CPUInfo)&upsampling_last_cpuinfo_used2;
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplers(void) {
- if (upsampling_last_cpuinfo_used2 == VP8GetCPUInfo) return;
-
+WEBP_DSP_INIT_FUNC(WebPInitUpsamplers) {
#ifdef FANCY_UPSAMPLING
- WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair;
- WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair;
- WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair;
- WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair;
- WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair;
- WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair;
- WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair;
- WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair;
- WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair;
- WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair;
- WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair;
+#if !WEBP_NEON_OMIT_C_CODE
+ WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair_C;
+ WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair_C;
+ WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair_C;
+ WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair_C;
+ WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_C;
+ WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_C;
+ WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair_C;
+ WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair_C;
+ WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair_C;
+ WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair_C;
+ WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair_C;
+#endif
// If defined, use CPUInfo() to overwrite some pointers with faster versions.
if (VP8GetCPUInfo != NULL) {
@@ -243,9 +283,9 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplers(void) {
WebPInitUpsamplersSSE2();
}
#endif
-#if defined(WEBP_USE_NEON)
- if (VP8GetCPUInfo(kNEON)) {
- WebPInitUpsamplersNEON();
+#if defined(WEBP_USE_SSE41)
+ if (VP8GetCPUInfo(kSSE4_1)) {
+ WebPInitUpsamplersSSE41();
}
#endif
#if defined(WEBP_USE_MIPS_DSP_R2)
@@ -259,8 +299,29 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplers(void) {
}
#endif
}
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ WebPInitUpsamplersNEON();
+ }
+#endif
+
+ assert(WebPUpsamplers[MODE_RGBA] != NULL);
+ assert(WebPUpsamplers[MODE_BGRA] != NULL);
+ assert(WebPUpsamplers[MODE_rgbA] != NULL);
+ assert(WebPUpsamplers[MODE_bgrA] != NULL);
+#if !defined(WEBP_REDUCE_CSP) || !WEBP_NEON_OMIT_C_CODE
+ assert(WebPUpsamplers[MODE_RGB] != NULL);
+ assert(WebPUpsamplers[MODE_BGR] != NULL);
+ assert(WebPUpsamplers[MODE_ARGB] != NULL);
+ assert(WebPUpsamplers[MODE_RGBA_4444] != NULL);
+ assert(WebPUpsamplers[MODE_RGB_565] != NULL);
+ assert(WebPUpsamplers[MODE_Argb] != NULL);
+ assert(WebPUpsamplers[MODE_rgbA_4444] != NULL);
+#endif
+
#endif // FANCY_UPSAMPLING
- upsampling_last_cpuinfo_used2 = VP8GetCPUInfo;
}
//------------------------------------------------------------------------------
diff --git a/media/libwebp/dsp/upsampling_neon.c b/media/libwebp/dsp/upsampling_neon.c
index d371a834f..c847d70d4 100644
--- a/media/libwebp/dsp/upsampling_neon.c
+++ b/media/libwebp/dsp/upsampling_neon.c
@@ -12,15 +12,15 @@
// Author: mans@mansr.com (Mans Rullgard)
// Based on SSE code by: somnath@google.com (Somnath Banerjee)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_NEON)
#include <assert.h>
#include <arm_neon.h>
#include <string.h>
-#include "./neon.h"
-#include "./yuv.h"
+#include "../dsp/neon.h"
+#include "../dsp/yuv.h"
#ifdef FANCY_UPSAMPLING
@@ -58,8 +58,8 @@
} while (0)
// Turn the macro into a function for reducing code-size when non-critical
-static void Upsample16Pixels(const uint8_t *r1, const uint8_t *r2,
- uint8_t *out) {
+static void Upsample16Pixels_NEON(const uint8_t *r1, const uint8_t *r2,
+ uint8_t *out) {
UPSAMPLE_16PIXELS(r1, r2, out);
}
@@ -70,7 +70,7 @@ static void Upsample16Pixels(const uint8_t *r1, const uint8_t *r2,
/* replicate last byte */ \
memset(r1 + (num_pixels), r1[(num_pixels) - 1], 9 - (num_pixels)); \
memset(r2 + (num_pixels), r2[(num_pixels) - 1], 9 - (num_pixels)); \
- Upsample16Pixels(r1, r2, out); \
+ Upsample16Pixels_NEON(r1, r2, out); \
}
//-----------------------------------------------------------------------------
@@ -243,13 +243,15 @@ static void FUNC_NAME(const uint8_t *top_y, const uint8_t *bottom_y, \
}
// NEON variants of the fancy upsampler.
-NEON_UPSAMPLE_FUNC(UpsampleRgbLinePair, Rgb, 3)
-NEON_UPSAMPLE_FUNC(UpsampleBgrLinePair, Bgr, 3)
-NEON_UPSAMPLE_FUNC(UpsampleRgbaLinePair, Rgba, 4)
-NEON_UPSAMPLE_FUNC(UpsampleBgraLinePair, Bgra, 4)
-NEON_UPSAMPLE_FUNC(UpsampleArgbLinePair, Argb, 4)
-NEON_UPSAMPLE_FUNC(UpsampleRgba4444LinePair, Rgba4444, 2)
-NEON_UPSAMPLE_FUNC(UpsampleRgb565LinePair, Rgb565, 2)
+NEON_UPSAMPLE_FUNC(UpsampleRgbaLinePair_NEON, Rgba, 4)
+NEON_UPSAMPLE_FUNC(UpsampleBgraLinePair_NEON, Bgra, 4)
+#if !defined(WEBP_REDUCE_CSP)
+NEON_UPSAMPLE_FUNC(UpsampleRgbLinePair_NEON, Rgb, 3)
+NEON_UPSAMPLE_FUNC(UpsampleBgrLinePair_NEON, Bgr, 3)
+NEON_UPSAMPLE_FUNC(UpsampleArgbLinePair_NEON, Argb, 4)
+NEON_UPSAMPLE_FUNC(UpsampleRgba4444LinePair_NEON, Rgba4444, 2)
+NEON_UPSAMPLE_FUNC(UpsampleRgb565LinePair_NEON, Rgb565, 2)
+#endif // WEBP_REDUCE_CSP
//------------------------------------------------------------------------------
// Entry point
@@ -259,17 +261,19 @@ extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */];
extern void WebPInitUpsamplersNEON(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersNEON(void) {
- WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair;
- WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair;
- WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair;
- WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair;
- WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair;
- WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair;
- WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair;
- WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair;
- WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair;
- WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair;
- WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair;
+ WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair_NEON;
+ WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair_NEON;
+ WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair_NEON;
+ WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair_NEON;
+#if !defined(WEBP_REDUCE_CSP)
+ WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_NEON;
+ WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_NEON;
+ WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair_NEON;
+ WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair_NEON;
+ WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair_NEON;
+ WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair_NEON;
+ WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair_NEON;
+#endif // WEBP_REDUCE_CSP
}
#endif // FANCY_UPSAMPLING
diff --git a/media/libwebp/dsp/upsampling_sse2.c b/media/libwebp/dsp/upsampling_sse2.c
index b5b668900..fd23681ca 100644
--- a/media/libwebp/dsp/upsampling_sse2.c
+++ b/media/libwebp/dsp/upsampling_sse2.c
@@ -11,14 +11,14 @@
//
// Author: somnath@google.com (Somnath Banerjee)
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#if defined(WEBP_USE_SSE2)
#include <assert.h>
#include <emmintrin.h>
#include <string.h>
-#include "./yuv.h"
+#include "../dsp/yuv.h"
#ifdef FANCY_UPSAMPLING
@@ -83,13 +83,13 @@
GET_M(ad, s, diag2); /* diag2 = (3a + b + c + 3d) / 8 */ \
\
/* pack the alternate pixels */ \
- PACK_AND_STORE(a, b, diag1, diag2, out + 0); /* store top */ \
- PACK_AND_STORE(c, d, diag2, diag1, out + 2 * 32); /* store bottom */ \
+ PACK_AND_STORE(a, b, diag1, diag2, (out) + 0); /* store top */ \
+ PACK_AND_STORE(c, d, diag2, diag1, (out) + 2 * 32); /* store bottom */ \
}
// Turn the macro into a function for reducing code-size when non-critical
-static void Upsample32Pixels(const uint8_t r1[], const uint8_t r2[],
- uint8_t* const out) {
+static void Upsample32Pixels_SSE2(const uint8_t r1[], const uint8_t r2[],
+ uint8_t* const out) {
UPSAMPLE_32PIXELS(r1, r2, out);
}
@@ -101,30 +101,15 @@ static void Upsample32Pixels(const uint8_t r1[], const uint8_t r2[],
memset(r1 + (num_pixels), r1[(num_pixels) - 1], 17 - (num_pixels)); \
memset(r2 + (num_pixels), r2[(num_pixels) - 1], 17 - (num_pixels)); \
/* using the shared function instead of the macro saves ~3k code size */ \
- Upsample32Pixels(r1, r2, out); \
-}
-
-#define CONVERT2RGB(FUNC, XSTEP, top_y, bottom_y, \
- top_dst, bottom_dst, cur_x, num_pixels) { \
- int n; \
- for (n = 0; n < (num_pixels); ++n) { \
- FUNC(top_y[(cur_x) + n], r_u[n], r_v[n], \
- top_dst + ((cur_x) + n) * XSTEP); \
- } \
- if (bottom_y != NULL) { \
- for (n = 0; n < (num_pixels); ++n) { \
- FUNC(bottom_y[(cur_x) + n], r_u[64 + n], r_v[64 + n], \
- bottom_dst + ((cur_x) + n) * XSTEP); \
- } \
- } \
+ Upsample32Pixels_SSE2(r1, r2, out); \
}
#define CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, \
top_dst, bottom_dst, cur_x) do { \
- FUNC##32(top_y + (cur_x), r_u, r_v, top_dst + (cur_x) * XSTEP); \
- if (bottom_y != NULL) { \
- FUNC##32(bottom_y + (cur_x), r_u + 64, r_v + 64, \
- bottom_dst + (cur_x) * XSTEP); \
+ FUNC##32_SSE2((top_y) + (cur_x), r_u, r_v, (top_dst) + (cur_x) * (XSTEP)); \
+ if ((bottom_y) != NULL) { \
+ FUNC##32_SSE2((bottom_y) + (cur_x), r_u + 64, r_v + 64, \
+ (bottom_dst) + (cur_x) * (XSTEP)); \
} \
} while (0)
@@ -135,7 +120,7 @@ static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \
uint8_t* top_dst, uint8_t* bottom_dst, int len) { \
int uv_pos, pos; \
/* 16byte-aligned array to cache reconstructed u and v */ \
- uint8_t uv_buf[4 * 32 + 15]; \
+ uint8_t uv_buf[14 * 32 + 15] = { 0 }; \
uint8_t* const r_u = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~15); \
uint8_t* const r_v = r_u + 32; \
\
@@ -160,22 +145,36 @@ static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \
} \
if (len > 1) { \
const int left_over = ((len + 1) >> 1) - (pos >> 1); \
+ uint8_t* const tmp_top_dst = r_u + 4 * 32; \
+ uint8_t* const tmp_bottom_dst = tmp_top_dst + 4 * 32; \
+ uint8_t* const tmp_top = tmp_bottom_dst + 4 * 32; \
+ uint8_t* const tmp_bottom = (bottom_y == NULL) ? NULL : tmp_top + 32; \
assert(left_over > 0); \
UPSAMPLE_LAST_BLOCK(top_u + uv_pos, cur_u + uv_pos, left_over, r_u); \
UPSAMPLE_LAST_BLOCK(top_v + uv_pos, cur_v + uv_pos, left_over, r_v); \
- CONVERT2RGB(FUNC, XSTEP, top_y, bottom_y, top_dst, bottom_dst, \
- pos, len - pos); \
+ memcpy(tmp_top, top_y + pos, len - pos); \
+ if (bottom_y != NULL) memcpy(tmp_bottom, bottom_y + pos, len - pos); \
+ CONVERT2RGB_32(FUNC, XSTEP, tmp_top, tmp_bottom, tmp_top_dst, \
+ tmp_bottom_dst, 0); \
+ memcpy(top_dst + pos * (XSTEP), tmp_top_dst, (len - pos) * (XSTEP)); \
+ if (bottom_y != NULL) { \
+ memcpy(bottom_dst + pos * (XSTEP), tmp_bottom_dst, \
+ (len - pos) * (XSTEP)); \
+ } \
} \
}
// SSE2 variants of the fancy upsampler.
-SSE2_UPSAMPLE_FUNC(UpsampleRgbLinePair, VP8YuvToRgb, 3)
-SSE2_UPSAMPLE_FUNC(UpsampleBgrLinePair, VP8YuvToBgr, 3)
-SSE2_UPSAMPLE_FUNC(UpsampleRgbaLinePair, VP8YuvToRgba, 4)
-SSE2_UPSAMPLE_FUNC(UpsampleBgraLinePair, VP8YuvToBgra, 4)
-SSE2_UPSAMPLE_FUNC(UpsampleArgbLinePair, VP8YuvToArgb, 4)
-SSE2_UPSAMPLE_FUNC(UpsampleRgba4444LinePair, VP8YuvToRgba4444, 2)
-SSE2_UPSAMPLE_FUNC(UpsampleRgb565LinePair, VP8YuvToRgb565, 2)
+SSE2_UPSAMPLE_FUNC(UpsampleRgbaLinePair_SSE2, VP8YuvToRgba, 4)
+SSE2_UPSAMPLE_FUNC(UpsampleBgraLinePair_SSE2, VP8YuvToBgra, 4)
+
+#if !defined(WEBP_REDUCE_CSP)
+SSE2_UPSAMPLE_FUNC(UpsampleRgbLinePair_SSE2, VP8YuvToRgb, 3)
+SSE2_UPSAMPLE_FUNC(UpsampleBgrLinePair_SSE2, VP8YuvToBgr, 3)
+SSE2_UPSAMPLE_FUNC(UpsampleArgbLinePair_SSE2, VP8YuvToArgb, 4)
+SSE2_UPSAMPLE_FUNC(UpsampleRgba4444LinePair_SSE2, VP8YuvToRgba4444, 2)
+SSE2_UPSAMPLE_FUNC(UpsampleRgb565LinePair_SSE2, VP8YuvToRgb565, 2)
+#endif // WEBP_REDUCE_CSP
#undef GET_M
#undef PACK_AND_STORE
@@ -193,17 +192,19 @@ extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */];
extern void WebPInitUpsamplersSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE2(void) {
- WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair;
- WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair;
- WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair;
- WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair;
- WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair;
- WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair;
- WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair;
- WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair;
- WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair;
- WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair;
- WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair;
+ WebPUpsamplers[MODE_RGBA] = UpsampleRgbaLinePair_SSE2;
+ WebPUpsamplers[MODE_BGRA] = UpsampleBgraLinePair_SSE2;
+ WebPUpsamplers[MODE_rgbA] = UpsampleRgbaLinePair_SSE2;
+ WebPUpsamplers[MODE_bgrA] = UpsampleBgraLinePair_SSE2;
+#if !defined(WEBP_REDUCE_CSP)
+ WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_SSE2;
+ WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_SSE2;
+ WebPUpsamplers[MODE_ARGB] = UpsampleArgbLinePair_SSE2;
+ WebPUpsamplers[MODE_Argb] = UpsampleArgbLinePair_SSE2;
+ WebPUpsamplers[MODE_RGB_565] = UpsampleRgb565LinePair_SSE2;
+ WebPUpsamplers[MODE_RGBA_4444] = UpsampleRgba4444LinePair_SSE2;
+ WebPUpsamplers[MODE_rgbA_4444] = UpsampleRgba4444LinePair_SSE2;
+#endif // WEBP_REDUCE_CSP
}
#endif // FANCY_UPSAMPLING
@@ -213,29 +214,46 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE2(void) {
extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */];
extern void WebPInitYUV444ConvertersSSE2(void);
-#define YUV444_FUNC(FUNC_NAME, CALL, XSTEP) \
-extern void WebP##FUNC_NAME##C(const uint8_t* y, const uint8_t* u, \
- const uint8_t* v, uint8_t* dst, int len); \
+#define YUV444_FUNC(FUNC_NAME, CALL, CALL_C, XSTEP) \
+extern void CALL_C(const uint8_t* y, const uint8_t* u, const uint8_t* v, \
+ uint8_t* dst, int len); \
static void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \
uint8_t* dst, int len) { \
int i; \
const int max_len = len & ~31; \
- for (i = 0; i < max_len; i += 32) CALL(y + i, u + i, v + i, dst + i * XSTEP);\
+ for (i = 0; i < max_len; i += 32) { \
+ CALL(y + i, u + i, v + i, dst + i * (XSTEP)); \
+ } \
if (i < len) { /* C-fallback */ \
- WebP##FUNC_NAME##C(y + i, u + i, v + i, dst + i * XSTEP, len - i); \
+ CALL_C(y + i, u + i, v + i, dst + i * (XSTEP), len - i); \
} \
}
-YUV444_FUNC(Yuv444ToRgba, VP8YuvToRgba32, 4);
-YUV444_FUNC(Yuv444ToBgra, VP8YuvToBgra32, 4);
-YUV444_FUNC(Yuv444ToRgb, VP8YuvToRgb32, 3);
-YUV444_FUNC(Yuv444ToBgr, VP8YuvToBgr32, 3);
+YUV444_FUNC(Yuv444ToRgba_SSE2, VP8YuvToRgba32_SSE2, WebPYuv444ToRgba_C, 4);
+YUV444_FUNC(Yuv444ToBgra_SSE2, VP8YuvToBgra32_SSE2, WebPYuv444ToBgra_C, 4);
+#if !defined(WEBP_REDUCE_CSP)
+YUV444_FUNC(Yuv444ToRgb_SSE2, VP8YuvToRgb32_SSE2, WebPYuv444ToRgb_C, 3);
+YUV444_FUNC(Yuv444ToBgr_SSE2, VP8YuvToBgr32_SSE2, WebPYuv444ToBgr_C, 3);
+YUV444_FUNC(Yuv444ToArgb_SSE2, VP8YuvToArgb32_SSE2, WebPYuv444ToArgb_C, 4)
+YUV444_FUNC(Yuv444ToRgba4444_SSE2, VP8YuvToRgba444432_SSE2, \
+ WebPYuv444ToRgba4444_C, 2)
+YUV444_FUNC(Yuv444ToRgb565_SSE2, VP8YuvToRgb56532_SSE2, WebPYuv444ToRgb565_C, 2)
+#endif // WEBP_REDUCE_CSP
WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersSSE2(void) {
- WebPYUV444Converters[MODE_RGBA] = Yuv444ToRgba;
- WebPYUV444Converters[MODE_BGRA] = Yuv444ToBgra;
- WebPYUV444Converters[MODE_RGB] = Yuv444ToRgb;
- WebPYUV444Converters[MODE_BGR] = Yuv444ToBgr;
+ WebPYUV444Converters[MODE_RGBA] = Yuv444ToRgba_SSE2;
+ WebPYUV444Converters[MODE_BGRA] = Yuv444ToBgra_SSE2;
+ WebPYUV444Converters[MODE_rgbA] = Yuv444ToRgba_SSE2;
+ WebPYUV444Converters[MODE_bgrA] = Yuv444ToBgra_SSE2;
+#if !defined(WEBP_REDUCE_CSP)
+ WebPYUV444Converters[MODE_RGB] = Yuv444ToRgb_SSE2;
+ WebPYUV444Converters[MODE_BGR] = Yuv444ToBgr_SSE2;
+ WebPYUV444Converters[MODE_ARGB] = Yuv444ToArgb_SSE2;
+ WebPYUV444Converters[MODE_RGBA_4444] = Yuv444ToRgba4444_SSE2;
+ WebPYUV444Converters[MODE_RGB_565] = Yuv444ToRgb565_SSE2;
+ WebPYUV444Converters[MODE_Argb] = Yuv444ToArgb_SSE2;
+ WebPYUV444Converters[MODE_rgbA_4444] = Yuv444ToRgba4444_SSE2;
+#endif // WEBP_REDUCE_CSP
}
#else
diff --git a/media/libwebp/dsp/upsampling_sse41.c b/media/libwebp/dsp/upsampling_sse41.c
new file mode 100644
index 000000000..65d175e87
--- /dev/null
+++ b/media/libwebp/dsp/upsampling_sse41.c
@@ -0,0 +1,239 @@
+// Copyright 2011 Google Inc. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+// -----------------------------------------------------------------------------
+//
+// SSE41 version of YUV to RGB upsampling functions.
+//
+// Author: somnath@google.com (Somnath Banerjee)
+
+#include "../dsp/dsp.h"
+
+#if defined(WEBP_USE_SSE41)
+
+#include <assert.h>
+#include <smmintrin.h>
+#include <string.h>
+#include "../dsp/yuv.h"
+
+#ifdef FANCY_UPSAMPLING
+
+#if !defined(WEBP_REDUCE_CSP)
+
+// We compute (9*a + 3*b + 3*c + d + 8) / 16 as follows
+// u = (9*a + 3*b + 3*c + d + 8) / 16
+// = (a + (a + 3*b + 3*c + d) / 8 + 1) / 2
+// = (a + m + 1) / 2
+// where m = (a + 3*b + 3*c + d) / 8
+// = ((a + b + c + d) / 2 + b + c) / 4
+//
+// Let's say k = (a + b + c + d) / 4.
+// We can compute k as
+// k = (s + t + 1) / 2 - ((a^d) | (b^c) | (s^t)) & 1
+// where s = (a + d + 1) / 2 and t = (b + c + 1) / 2
+//
+// Then m can be written as
+// m = (k + t + 1) / 2 - (((b^c) & (s^t)) | (k^t)) & 1
+
+// Computes out = (k + in + 1) / 2 - ((ij & (s^t)) | (k^in)) & 1
+#define GET_M(ij, in, out) do { \
+ const __m128i tmp0 = _mm_avg_epu8(k, (in)); /* (k + in + 1) / 2 */ \
+ const __m128i tmp1 = _mm_and_si128((ij), st); /* (ij) & (s^t) */ \
+ const __m128i tmp2 = _mm_xor_si128(k, (in)); /* (k^in) */ \
+ const __m128i tmp3 = _mm_or_si128(tmp1, tmp2); /* ((ij) & (s^t)) | (k^in) */\
+ const __m128i tmp4 = _mm_and_si128(tmp3, one); /* & 1 -> lsb_correction */ \
+ (out) = _mm_sub_epi8(tmp0, tmp4); /* (k + in + 1) / 2 - lsb_correction */ \
+} while (0)
+
+// pack and store two alternating pixel rows
+#define PACK_AND_STORE(a, b, da, db, out) do { \
+ const __m128i t_a = _mm_avg_epu8(a, da); /* (9a + 3b + 3c + d + 8) / 16 */ \
+ const __m128i t_b = _mm_avg_epu8(b, db); /* (3a + 9b + c + 3d + 8) / 16 */ \
+ const __m128i t_1 = _mm_unpacklo_epi8(t_a, t_b); \
+ const __m128i t_2 = _mm_unpackhi_epi8(t_a, t_b); \
+ _mm_store_si128(((__m128i*)(out)) + 0, t_1); \
+ _mm_store_si128(((__m128i*)(out)) + 1, t_2); \
+} while (0)
+
+// Loads 17 pixels each from rows r1 and r2 and generates 32 pixels.
+#define UPSAMPLE_32PIXELS(r1, r2, out) { \
+ const __m128i one = _mm_set1_epi8(1); \
+ const __m128i a = _mm_loadu_si128((const __m128i*)&(r1)[0]); \
+ const __m128i b = _mm_loadu_si128((const __m128i*)&(r1)[1]); \
+ const __m128i c = _mm_loadu_si128((const __m128i*)&(r2)[0]); \
+ const __m128i d = _mm_loadu_si128((const __m128i*)&(r2)[1]); \
+ \
+ const __m128i s = _mm_avg_epu8(a, d); /* s = (a + d + 1) / 2 */ \
+ const __m128i t = _mm_avg_epu8(b, c); /* t = (b + c + 1) / 2 */ \
+ const __m128i st = _mm_xor_si128(s, t); /* st = s^t */ \
+ \
+ const __m128i ad = _mm_xor_si128(a, d); /* ad = a^d */ \
+ const __m128i bc = _mm_xor_si128(b, c); /* bc = b^c */ \
+ \
+ const __m128i t1 = _mm_or_si128(ad, bc); /* (a^d) | (b^c) */ \
+ const __m128i t2 = _mm_or_si128(t1, st); /* (a^d) | (b^c) | (s^t) */ \
+ const __m128i t3 = _mm_and_si128(t2, one); /* (a^d) | (b^c) | (s^t) & 1 */ \
+ const __m128i t4 = _mm_avg_epu8(s, t); \
+ const __m128i k = _mm_sub_epi8(t4, t3); /* k = (a + b + c + d) / 4 */ \
+ __m128i diag1, diag2; \
+ \
+ GET_M(bc, t, diag1); /* diag1 = (a + 3b + 3c + d) / 8 */ \
+ GET_M(ad, s, diag2); /* diag2 = (3a + b + c + 3d) / 8 */ \
+ \
+ /* pack the alternate pixels */ \
+ PACK_AND_STORE(a, b, diag1, diag2, (out) + 0); /* store top */ \
+ PACK_AND_STORE(c, d, diag2, diag1, (out) + 2 * 32); /* store bottom */ \
+}
+
+// Turn the macro into a function for reducing code-size when non-critical
+static void Upsample32Pixels_SSE41(const uint8_t r1[], const uint8_t r2[],
+ uint8_t* const out) {
+ UPSAMPLE_32PIXELS(r1, r2, out);
+}
+
+#define UPSAMPLE_LAST_BLOCK(tb, bb, num_pixels, out) { \
+ uint8_t r1[17], r2[17]; \
+ memcpy(r1, (tb), (num_pixels)); \
+ memcpy(r2, (bb), (num_pixels)); \
+ /* replicate last byte */ \
+ memset(r1 + (num_pixels), r1[(num_pixels) - 1], 17 - (num_pixels)); \
+ memset(r2 + (num_pixels), r2[(num_pixels) - 1], 17 - (num_pixels)); \
+ /* using the shared function instead of the macro saves ~3k code size */ \
+ Upsample32Pixels_SSE41(r1, r2, out); \
+}
+
+#define CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, \
+ top_dst, bottom_dst, cur_x) do { \
+ FUNC##32_SSE41((top_y) + (cur_x), r_u, r_v, (top_dst) + (cur_x) * (XSTEP)); \
+ if ((bottom_y) != NULL) { \
+ FUNC##32_SSE41((bottom_y) + (cur_x), r_u + 64, r_v + 64, \
+ (bottom_dst) + (cur_x) * (XSTEP)); \
+ } \
+} while (0)
+
+#define SSE4_UPSAMPLE_FUNC(FUNC_NAME, FUNC, XSTEP) \
+static void FUNC_NAME(const uint8_t* top_y, const uint8_t* bottom_y, \
+ const uint8_t* top_u, const uint8_t* top_v, \
+ const uint8_t* cur_u, const uint8_t* cur_v, \
+ uint8_t* top_dst, uint8_t* bottom_dst, int len) { \
+ int uv_pos, pos; \
+ /* 16byte-aligned array to cache reconstructed u and v */ \
+ uint8_t uv_buf[14 * 32 + 15] = { 0 }; \
+ uint8_t* const r_u = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~15); \
+ uint8_t* const r_v = r_u + 32; \
+ \
+ assert(top_y != NULL); \
+ { /* Treat the first pixel in regular way */ \
+ const int u_diag = ((top_u[0] + cur_u[0]) >> 1) + 1; \
+ const int v_diag = ((top_v[0] + cur_v[0]) >> 1) + 1; \
+ const int u0_t = (top_u[0] + u_diag) >> 1; \
+ const int v0_t = (top_v[0] + v_diag) >> 1; \
+ FUNC(top_y[0], u0_t, v0_t, top_dst); \
+ if (bottom_y != NULL) { \
+ const int u0_b = (cur_u[0] + u_diag) >> 1; \
+ const int v0_b = (cur_v[0] + v_diag) >> 1; \
+ FUNC(bottom_y[0], u0_b, v0_b, bottom_dst); \
+ } \
+ } \
+ /* For UPSAMPLE_32PIXELS, 17 u/v values must be read-able for each block */ \
+ for (pos = 1, uv_pos = 0; pos + 32 + 1 <= len; pos += 32, uv_pos += 16) { \
+ UPSAMPLE_32PIXELS(top_u + uv_pos, cur_u + uv_pos, r_u); \
+ UPSAMPLE_32PIXELS(top_v + uv_pos, cur_v + uv_pos, r_v); \
+ CONVERT2RGB_32(FUNC, XSTEP, top_y, bottom_y, top_dst, bottom_dst, pos); \
+ } \
+ if (len > 1) { \
+ const int left_over = ((len + 1) >> 1) - (pos >> 1); \
+ uint8_t* const tmp_top_dst = r_u + 4 * 32; \
+ uint8_t* const tmp_bottom_dst = tmp_top_dst + 4 * 32; \
+ uint8_t* const tmp_top = tmp_bottom_dst + 4 * 32; \
+ uint8_t* const tmp_bottom = (bottom_y == NULL) ? NULL : tmp_top + 32; \
+ assert(left_over > 0); \
+ UPSAMPLE_LAST_BLOCK(top_u + uv_pos, cur_u + uv_pos, left_over, r_u); \
+ UPSAMPLE_LAST_BLOCK(top_v + uv_pos, cur_v + uv_pos, left_over, r_v); \
+ memcpy(tmp_top, top_y + pos, len - pos); \
+ if (bottom_y != NULL) memcpy(tmp_bottom, bottom_y + pos, len - pos); \
+ CONVERT2RGB_32(FUNC, XSTEP, tmp_top, tmp_bottom, tmp_top_dst, \
+ tmp_bottom_dst, 0); \
+ memcpy(top_dst + pos * (XSTEP), tmp_top_dst, (len - pos) * (XSTEP)); \
+ if (bottom_y != NULL) { \
+ memcpy(bottom_dst + pos * (XSTEP), tmp_bottom_dst, \
+ (len - pos) * (XSTEP)); \
+ } \
+ } \
+}
+
+// SSE4 variants of the fancy upsampler.
+SSE4_UPSAMPLE_FUNC(UpsampleRgbLinePair_SSE41, VP8YuvToRgb, 3)
+SSE4_UPSAMPLE_FUNC(UpsampleBgrLinePair_SSE41, VP8YuvToBgr, 3)
+
+#undef GET_M
+#undef PACK_AND_STORE
+#undef UPSAMPLE_32PIXELS
+#undef UPSAMPLE_LAST_BLOCK
+#undef CONVERT2RGB
+#undef CONVERT2RGB_32
+#undef SSE4_UPSAMPLE_FUNC
+
+#endif // WEBP_REDUCE_CSP
+
+//------------------------------------------------------------------------------
+// Entry point
+
+extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */];
+
+extern void WebPInitUpsamplersSSE41(void);
+
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplersSSE41(void) {
+#if !defined(WEBP_REDUCE_CSP)
+ WebPUpsamplers[MODE_RGB] = UpsampleRgbLinePair_SSE41;
+ WebPUpsamplers[MODE_BGR] = UpsampleBgrLinePair_SSE41;
+#endif // WEBP_REDUCE_CSP
+}
+
+#endif // FANCY_UPSAMPLING
+
+//------------------------------------------------------------------------------
+
+extern WebPYUV444Converter WebPYUV444Converters[/* MODE_LAST */];
+extern void WebPInitYUV444ConvertersSSE41(void);
+
+#define YUV444_FUNC(FUNC_NAME, CALL, CALL_C, XSTEP) \
+extern void CALL_C(const uint8_t* y, const uint8_t* u, const uint8_t* v, \
+ uint8_t* dst, int len); \
+static void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v, \
+ uint8_t* dst, int len) { \
+ int i; \
+ const int max_len = len & ~31; \
+ for (i = 0; i < max_len; i += 32) { \
+ CALL(y + i, u + i, v + i, dst + i * (XSTEP)); \
+ } \
+ if (i < len) { /* C-fallback */ \
+ CALL_C(y + i, u + i, v + i, dst + i * (XSTEP), len - i); \
+ } \
+}
+
+#if !defined(WEBP_REDUCE_CSP)
+YUV444_FUNC(Yuv444ToRgb_SSE41, VP8YuvToRgb32_SSE41, WebPYuv444ToRgb_C, 3);
+YUV444_FUNC(Yuv444ToBgr_SSE41, VP8YuvToBgr32_SSE41, WebPYuv444ToBgr_C, 3);
+#endif // WEBP_REDUCE_CSP
+
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444ConvertersSSE41(void) {
+#if !defined(WEBP_REDUCE_CSP)
+ WebPYUV444Converters[MODE_RGB] = Yuv444ToRgb_SSE41;
+ WebPYUV444Converters[MODE_BGR] = Yuv444ToBgr_SSE41;
+#endif // WEBP_REDUCE_CSP
+}
+
+#else
+
+WEBP_DSP_INIT_STUB(WebPInitYUV444ConvertersSSE41)
+
+#endif // WEBP_USE_SSE41
+
+#if !(defined(FANCY_UPSAMPLING) && defined(WEBP_USE_SSE41))
+WEBP_DSP_INIT_STUB(WebPInitUpsamplersSSE41)
+#endif
diff --git a/media/libwebp/dsp/yuv.c b/media/libwebp/dsp/yuv.c
index dd7d9dedf..12c04ca42 100644
--- a/media/libwebp/dsp/yuv.c
+++ b/media/libwebp/dsp/yuv.c
@@ -11,63 +11,11 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./yuv.h"
+#include "../dsp/yuv.h"
+#include <assert.h>
#include <stdlib.h>
-#if defined(WEBP_YUV_USE_TABLE)
-
-static int done = 0;
-
-static WEBP_INLINE uint8_t clip(int v, int max_value) {
- return v < 0 ? 0 : v > max_value ? max_value : v;
-}
-
-int16_t VP8kVToR[256], VP8kUToB[256];
-int32_t VP8kVToG[256], VP8kUToG[256];
-uint8_t VP8kClip[YUV_RANGE_MAX - YUV_RANGE_MIN];
-uint8_t VP8kClip4Bits[YUV_RANGE_MAX - YUV_RANGE_MIN];
-
-WEBP_TSAN_IGNORE_FUNCTION void VP8YUVInit(void) {
- int i;
- if (done) {
- return;
- }
-#ifndef USE_YUVj
- for (i = 0; i < 256; ++i) {
- VP8kVToR[i] = (89858 * (i - 128) + YUV_HALF) >> YUV_FIX;
- VP8kUToG[i] = -22014 * (i - 128) + YUV_HALF;
- VP8kVToG[i] = -45773 * (i - 128);
- VP8kUToB[i] = (113618 * (i - 128) + YUV_HALF) >> YUV_FIX;
- }
- for (i = YUV_RANGE_MIN; i < YUV_RANGE_MAX; ++i) {
- const int k = ((i - 16) * 76283 + YUV_HALF) >> YUV_FIX;
- VP8kClip[i - YUV_RANGE_MIN] = clip(k, 255);
- VP8kClip4Bits[i - YUV_RANGE_MIN] = clip((k + 8) >> 4, 15);
- }
-#else
- for (i = 0; i < 256; ++i) {
- VP8kVToR[i] = (91881 * (i - 128) + YUV_HALF) >> YUV_FIX;
- VP8kUToG[i] = -22554 * (i - 128) + YUV_HALF;
- VP8kVToG[i] = -46802 * (i - 128);
- VP8kUToB[i] = (116130 * (i - 128) + YUV_HALF) >> YUV_FIX;
- }
- for (i = YUV_RANGE_MIN; i < YUV_RANGE_MAX; ++i) {
- const int k = i;
- VP8kClip[i - YUV_RANGE_MIN] = clip(k, 255);
- VP8kClip4Bits[i - YUV_RANGE_MIN] = clip((k + 8) >> 4, 15);
- }
-#endif
-
- done = 1;
-}
-
-#else
-
-WEBP_TSAN_IGNORE_FUNCTION void VP8YUVInit(void) {}
-
-#endif // WEBP_YUV_USE_TABLE
-
//-----------------------------------------------------------------------------
// Plain-C version
@@ -75,14 +23,14 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8YUVInit(void) {}
static void FUNC_NAME(const uint8_t* y, \
const uint8_t* u, const uint8_t* v, \
uint8_t* dst, int len) { \
- const uint8_t* const end = dst + (len & ~1) * XSTEP; \
+ const uint8_t* const end = dst + (len & ~1) * (XSTEP); \
while (dst != end) { \
FUNC(y[0], u[0], v[0], dst); \
- FUNC(y[1], u[0], v[0], dst + XSTEP); \
+ FUNC(y[1], u[0], v[0], dst + (XSTEP)); \
y += 2; \
++u; \
++v; \
- dst += 2 * XSTEP; \
+ dst += 2 * (XSTEP); \
} \
if (len & 1) { \
FUNC(y[0], u[0], v[0], dst); \
@@ -123,15 +71,11 @@ void WebPSamplerProcessPlane(const uint8_t* y, int y_stride,
WebPSamplerRowFunc WebPSamplers[MODE_LAST];
extern void WebPInitSamplersSSE2(void);
+extern void WebPInitSamplersSSE41(void);
extern void WebPInitSamplersMIPS32(void);
extern void WebPInitSamplersMIPSdspR2(void);
-static volatile VP8CPUInfo yuv_last_cpuinfo_used =
- (VP8CPUInfo)&yuv_last_cpuinfo_used;
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplers(void) {
- if (yuv_last_cpuinfo_used == VP8GetCPUInfo) return;
-
+WEBP_DSP_INIT_FUNC(WebPInitSamplers) {
WebPSamplers[MODE_RGB] = YuvToRgbRow;
WebPSamplers[MODE_RGBA] = YuvToRgbaRow;
WebPSamplers[MODE_BGR] = YuvToBgrRow;
@@ -151,6 +95,11 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplers(void) {
WebPInitSamplersSSE2();
}
#endif // WEBP_USE_SSE2
+#if defined(WEBP_USE_SSE41)
+ if (VP8GetCPUInfo(kSSE4_1)) {
+ WebPInitSamplersSSE41();
+ }
+#endif // WEBP_USE_SSE41
#if defined(WEBP_USE_MIPS32)
if (VP8GetCPUInfo(kMIPS32)) {
WebPInitSamplersMIPS32();
@@ -162,13 +111,12 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplers(void) {
}
#endif // WEBP_USE_MIPS_DSP_R2
}
- yuv_last_cpuinfo_used = VP8GetCPUInfo;
}
//-----------------------------------------------------------------------------
// ARGB -> YUV converters
-static void ConvertARGBToY(const uint32_t* argb, uint8_t* y, int width) {
+static void ConvertARGBToY_C(const uint32_t* argb, uint8_t* y, int width) {
int i;
for (i = 0; i < width; ++i) {
const uint32_t p = argb[i];
@@ -220,14 +168,14 @@ void WebPConvertARGBToUV_C(const uint32_t* argb, uint8_t* u, uint8_t* v,
//-----------------------------------------------------------------------------
-static void ConvertRGB24ToY(const uint8_t* rgb, uint8_t* y, int width) {
+static void ConvertRGB24ToY_C(const uint8_t* rgb, uint8_t* y, int width) {
int i;
for (i = 0; i < width; ++i, rgb += 3) {
y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF);
}
}
-static void ConvertBGR24ToY(const uint8_t* bgr, uint8_t* y, int width) {
+static void ConvertBGR24ToY_C(const uint8_t* bgr, uint8_t* y, int width) {
int i;
for (i = 0; i < width; ++i, bgr += 3) {
y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF);
@@ -246,6 +194,7 @@ void WebPConvertRGBA32ToUV_C(const uint16_t* rgb,
//-----------------------------------------------------------------------------
+#if !WEBP_NEON_OMIT_C_CODE
#define MAX_Y ((1 << 10) - 1) // 10b precision over 16b-arithmetic
static uint16_t clip_y(int v) {
return (v < 0) ? 0 : (v > MAX_Y) ? MAX_Y : (uint16_t)v;
@@ -283,6 +232,7 @@ static void SharpYUVFilterRow_C(const int16_t* A, const int16_t* B, int len,
out[2 * i + 1] = clip_y(best_y[2 * i + 1] + v1);
}
}
+#endif // !WEBP_NEON_OMIT_C_CODE
#undef MAX_Y
@@ -304,26 +254,26 @@ void (*WebPSharpYUVUpdateRGB)(const int16_t* ref, const int16_t* src,
void (*WebPSharpYUVFilterRow)(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out);
-static volatile VP8CPUInfo rgba_to_yuv_last_cpuinfo_used =
- (VP8CPUInfo)&rgba_to_yuv_last_cpuinfo_used;
-
extern void WebPInitConvertARGBToYUVSSE2(void);
+extern void WebPInitConvertARGBToYUVSSE41(void);
+extern void WebPInitConvertARGBToYUVNEON(void);
extern void WebPInitSharpYUVSSE2(void);
+extern void WebPInitSharpYUVNEON(void);
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUV(void) {
- if (rgba_to_yuv_last_cpuinfo_used == VP8GetCPUInfo) return;
-
- WebPConvertARGBToY = ConvertARGBToY;
+WEBP_DSP_INIT_FUNC(WebPInitConvertARGBToYUV) {
+ WebPConvertARGBToY = ConvertARGBToY_C;
WebPConvertARGBToUV = WebPConvertARGBToUV_C;
- WebPConvertRGB24ToY = ConvertRGB24ToY;
- WebPConvertBGR24ToY = ConvertBGR24ToY;
+ WebPConvertRGB24ToY = ConvertRGB24ToY_C;
+ WebPConvertBGR24ToY = ConvertBGR24ToY_C;
WebPConvertRGBA32ToUV = WebPConvertRGBA32ToUV_C;
+#if !WEBP_NEON_OMIT_C_CODE
WebPSharpYUVUpdateY = SharpYUVUpdateY_C;
WebPSharpYUVUpdateRGB = SharpYUVUpdateRGB_C;
WebPSharpYUVFilterRow = SharpYUVFilterRow_C;
+#endif
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
@@ -332,6 +282,27 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUV(void) {
WebPInitSharpYUVSSE2();
}
#endif // WEBP_USE_SSE2
+#if defined(WEBP_USE_SSE41)
+ if (VP8GetCPUInfo(kSSE4_1)) {
+ WebPInitConvertARGBToYUVSSE41();
+ }
+#endif // WEBP_USE_SSE41
+ }
+
+#if defined(WEBP_USE_NEON)
+ if (WEBP_NEON_OMIT_C_CODE ||
+ (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
+ WebPInitConvertARGBToYUVNEON();
+ WebPInitSharpYUVNEON();
}
- rgba_to_yuv_last_cpuinfo_used = VP8GetCPUInfo;
+#endif // WEBP_USE_NEON
+
+ assert(WebPConvertARGBToY != NULL);
+ assert(WebPConvertARGBToUV != NULL);
+ assert(WebPConvertRGB24ToY != NULL);
+ assert(WebPConvertBGR24ToY != NULL);
+ assert(WebPConvertRGBA32ToUV != NULL);
+ assert(WebPSharpYUVUpdateY != NULL);
+ assert(WebPSharpYUVUpdateRGB != NULL);
+ assert(WebPSharpYUVFilterRow != NULL);
}
diff --git a/media/libwebp/dsp/yuv.h b/media/libwebp/dsp/yuv.h
index 1d33b5863..b4c5d0b6c 100644
--- a/media/libwebp/dsp/yuv.h
+++ b/media/libwebp/dsp/yuv.h
@@ -35,19 +35,9 @@
#ifndef WEBP_DSP_YUV_H_
#define WEBP_DSP_YUV_H_
-#include "./dsp.h"
+#include "../dsp/dsp.h"
#include "../dec/vp8_dec.h"
-#if defined(WEBP_EXPERIMENTAL_FEATURES)
-// Do NOT activate this feature for real compression. This is only experimental!
-// This flag is for comparison purpose against JPEG's "YUVj" natural colorspace.
-// This colorspace is close to Rec.601's Y'CbCr model with the notable
-// difference of allowing larger range for luma/chroma.
-// See http://en.wikipedia.org/wiki/YCbCr#JPEG_conversion paragraph, and its
-// difference with http://en.wikipedia.org/wiki/YCbCr#ITU-R_BT.601_conversion
-// #define USE_YUVj
-#endif
-
//------------------------------------------------------------------------------
// YUV -> RGB conversion
@@ -58,12 +48,8 @@ extern "C" {
enum {
YUV_FIX = 16, // fixed-point precision for RGB->YUV
YUV_HALF = 1 << (YUV_FIX - 1),
- YUV_MASK = (256 << YUV_FIX) - 1,
- YUV_RANGE_MIN = -227, // min value of r/g/b output
- YUV_RANGE_MAX = 256 + 226, // max value of r/g/b output
YUV_FIX2 = 6, // fixed-point precision for YUV->RGB
- YUV_HALF2 = 1 << YUV_FIX2 >> 1,
YUV_MASK2 = (256 << YUV_FIX2) - 1
};
@@ -111,7 +97,7 @@ static WEBP_INLINE void VP8YuvToRgb565(int y, int u, int v,
const int b = VP8YUVToB(y, u); // 5 usable bits
const int rg = (r & 0xf8) | (g >> 5);
const int gb = ((g << 3) & 0xe0) | (b >> 3);
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
rgb[0] = gb;
rgb[1] = rg;
#else
@@ -127,7 +113,7 @@ static WEBP_INLINE void VP8YuvToRgba4444(int y, int u, int v,
const int b = VP8YUVToB(y, u); // 4 usable bits
const int rg = (r & 0xf0) | (g >> 4);
const int ba = (b & 0xf0) | 0x0f; // overwrite the lower 4 bits
-#ifdef WEBP_SWAP_16BIT_CSP
+#if (WEBP_SWAP_16BIT_CSP == 1)
argb[0] = ba;
argb[1] = rg;
#else
@@ -157,32 +143,42 @@ static WEBP_INLINE void VP8YuvToRgba(uint8_t y, uint8_t u, uint8_t v,
rgba[3] = 0xff;
}
-// Must be called before everything, to initialize the tables.
-void VP8YUVInit(void);
-
//-----------------------------------------------------------------------------
// SSE2 extra functions (mostly for upsampling_sse2.c)
#if defined(WEBP_USE_SSE2)
// Process 32 pixels and store the result (16b, 24b or 32b per pixel) in *dst.
-void VP8YuvToRgba32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst);
-void VP8YuvToRgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst);
-void VP8YuvToBgra32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst);
-void VP8YuvToBgr32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst);
-void VP8YuvToArgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst);
-void VP8YuvToRgba444432(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+void VP8YuvToRgba32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
+void VP8YuvToRgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
+void VP8YuvToBgra32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
+void VP8YuvToBgr32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
uint8_t* dst);
-void VP8YuvToRgb56532(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst);
+void VP8YuvToArgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
+void VP8YuvToRgba444432_SSE2(const uint8_t* y, const uint8_t* u,
+ const uint8_t* v, uint8_t* dst);
+void VP8YuvToRgb56532_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
#endif // WEBP_USE_SSE2
+//-----------------------------------------------------------------------------
+// SSE41 extra functions (mostly for upsampling_sse41.c)
+
+#if defined(WEBP_USE_SSE41)
+
+// Process 32 pixels and store the result (16b, 24b or 32b per pixel) in *dst.
+void VP8YuvToRgb32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
+void VP8YuvToBgr32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst);
+
+#endif // WEBP_USE_SSE41
+
//------------------------------------------------------------------------------
// RGB -> YUV conversion
@@ -192,8 +188,6 @@ static WEBP_INLINE int VP8ClipUV(int uv, int rounding) {
return ((uv & ~0xff) == 0) ? uv : (uv < 0) ? 0 : 255;
}
-#ifndef USE_YUVj
-
static WEBP_INLINE int VP8RGBToY(int r, int g, int b, int rounding) {
const int luma = 16839 * r + 33059 * g + 6420 * b;
return (luma + rounding + (16 << YUV_FIX)) >> YUV_FIX; // no need to clip
@@ -209,28 +203,6 @@ static WEBP_INLINE int VP8RGBToV(int r, int g, int b, int rounding) {
return VP8ClipUV(v, rounding);
}
-#else
-
-// This JPEG-YUV colorspace, only for comparison!
-// These are also 16bit precision coefficients from Rec.601, but with full
-// [0..255] output range.
-static WEBP_INLINE int VP8RGBToY(int r, int g, int b, int rounding) {
- const int luma = 19595 * r + 38470 * g + 7471 * b;
- return (luma + rounding) >> YUV_FIX; // no need to clip
-}
-
-static WEBP_INLINE int VP8RGBToU(int r, int g, int b, int rounding) {
- const int u = -11058 * r - 21710 * g + 32768 * b;
- return VP8ClipUV(u, rounding);
-}
-
-static WEBP_INLINE int VP8RGBToV(int r, int g, int b, int rounding) {
- const int v = 32768 * r - 27439 * g - 5329 * b;
- return VP8ClipUV(v, rounding);
-}
-
-#endif // USE_YUVj
-
#ifdef __cplusplus
} // extern "C"
#endif
diff --git a/media/libwebp/dsp/yuv_sse2.c b/media/libwebp/dsp/yuv_sse2.c
index e33c2bbaf..755662a05 100644
--- a/media/libwebp/dsp/yuv_sse2.c
+++ b/media/libwebp/dsp/yuv_sse2.c
@@ -11,11 +11,11 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./yuv.h"
+#include "../dsp/yuv.h"
#if defined(WEBP_USE_SSE2)
-#include "./common_sse2.h"
+#include "../dsp/common_sse2.h"
#include <stdlib.h>
#include <emmintrin.h>
@@ -26,12 +26,12 @@
// R = (19077 * y + 26149 * v - 14234) >> 6
// G = (19077 * y - 6419 * u - 13320 * v + 8708) >> 6
// B = (19077 * y + 33050 * u - 17685) >> 6
-static void ConvertYUV444ToRGB(const __m128i* const Y0,
- const __m128i* const U0,
- const __m128i* const V0,
- __m128i* const R,
- __m128i* const G,
- __m128i* const B) {
+static void ConvertYUV444ToRGB_SSE2(const __m128i* const Y0,
+ const __m128i* const U0,
+ const __m128i* const V0,
+ __m128i* const R,
+ __m128i* const G,
+ __m128i* const B) {
const __m128i k19077 = _mm_set1_epi16(19077);
const __m128i k26149 = _mm_set1_epi16(26149);
const __m128i k14234 = _mm_set1_epi16(14234);
@@ -66,13 +66,13 @@ static void ConvertYUV444ToRGB(const __m128i* const Y0,
}
// Load the bytes into the *upper* part of 16b words. That's "<< 8", basically.
-static WEBP_INLINE __m128i Load_HI_16(const uint8_t* src) {
+static WEBP_INLINE __m128i Load_HI_16_SSE2(const uint8_t* src) {
const __m128i zero = _mm_setzero_si128();
return _mm_unpacklo_epi8(zero, _mm_loadl_epi64((const __m128i*)src));
}
// Load and replicate the U/V samples
-static WEBP_INLINE __m128i Load_UV_HI_8(const uint8_t* src) {
+static WEBP_INLINE __m128i Load_UV_HI_8_SSE2(const uint8_t* src) {
const __m128i zero = _mm_setzero_si128();
const __m128i tmp0 = _mm_cvtsi32_si128(*(const uint32_t*)src);
const __m128i tmp1 = _mm_unpacklo_epi8(zero, tmp0);
@@ -80,29 +80,33 @@ static WEBP_INLINE __m128i Load_UV_HI_8(const uint8_t* src) {
}
// Convert 32 samples of YUV444 to R/G/B
-static void YUV444ToRGB(const uint8_t* const y,
- const uint8_t* const u,
- const uint8_t* const v,
- __m128i* const R, __m128i* const G, __m128i* const B) {
- const __m128i Y0 = Load_HI_16(y), U0 = Load_HI_16(u), V0 = Load_HI_16(v);
- ConvertYUV444ToRGB(&Y0, &U0, &V0, R, G, B);
+static void YUV444ToRGB_SSE2(const uint8_t* const y,
+ const uint8_t* const u,
+ const uint8_t* const v,
+ __m128i* const R, __m128i* const G,
+ __m128i* const B) {
+ const __m128i Y0 = Load_HI_16_SSE2(y), U0 = Load_HI_16_SSE2(u),
+ V0 = Load_HI_16_SSE2(v);
+ ConvertYUV444ToRGB_SSE2(&Y0, &U0, &V0, R, G, B);
}
// Convert 32 samples of YUV420 to R/G/B
-static void YUV420ToRGB(const uint8_t* const y,
- const uint8_t* const u,
- const uint8_t* const v,
- __m128i* const R, __m128i* const G, __m128i* const B) {
- const __m128i Y0 = Load_HI_16(y), U0 = Load_UV_HI_8(u), V0 = Load_UV_HI_8(v);
- ConvertYUV444ToRGB(&Y0, &U0, &V0, R, G, B);
+static void YUV420ToRGB_SSE2(const uint8_t* const y,
+ const uint8_t* const u,
+ const uint8_t* const v,
+ __m128i* const R, __m128i* const G,
+ __m128i* const B) {
+ const __m128i Y0 = Load_HI_16_SSE2(y), U0 = Load_UV_HI_8_SSE2(u),
+ V0 = Load_UV_HI_8_SSE2(v);
+ ConvertYUV444ToRGB_SSE2(&Y0, &U0, &V0, R, G, B);
}
// Pack R/G/B/A results into 32b output.
-static WEBP_INLINE void PackAndStore4(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- const __m128i* const A,
- uint8_t* const dst) {
+static WEBP_INLINE void PackAndStore4_SSE2(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ const __m128i* const A,
+ uint8_t* const dst) {
const __m128i rb = _mm_packus_epi16(*R, *B);
const __m128i ga = _mm_packus_epi16(*G, *A);
const __m128i rg = _mm_unpacklo_epi8(rb, ga);
@@ -114,12 +118,12 @@ static WEBP_INLINE void PackAndStore4(const __m128i* const R,
}
// Pack R/G/B/A results into 16b output.
-static WEBP_INLINE void PackAndStore4444(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- const __m128i* const A,
- uint8_t* const dst) {
-#if !defined(WEBP_SWAP_16BIT_CSP)
+static WEBP_INLINE void PackAndStore4444_SSE2(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ const __m128i* const A,
+ uint8_t* const dst) {
+#if (WEBP_SWAP_16BIT_CSP == 0)
const __m128i rg0 = _mm_packus_epi16(*R, *G);
const __m128i ba0 = _mm_packus_epi16(*B, *A);
#else
@@ -136,10 +140,10 @@ static WEBP_INLINE void PackAndStore4444(const __m128i* const R,
}
// Pack R/G/B results into 16b output.
-static WEBP_INLINE void PackAndStore565(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- uint8_t* const dst) {
+static WEBP_INLINE void PackAndStore565_SSE2(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ uint8_t* const dst) {
const __m128i r0 = _mm_packus_epi16(*R, *R);
const __m128i g0 = _mm_packus_epi16(*G, *G);
const __m128i b0 = _mm_packus_epi16(*B, *B);
@@ -149,7 +153,7 @@ static WEBP_INLINE void PackAndStore565(const __m128i* const R,
const __m128i g2 = _mm_slli_epi16(_mm_and_si128(g0, _mm_set1_epi8(0x1c)), 3);
const __m128i rg = _mm_or_si128(r1, g1);
const __m128i gb = _mm_or_si128(g2, b1);
-#if !defined(WEBP_SWAP_16BIT_CSP)
+#if (WEBP_SWAP_16BIT_CSP == 0)
const __m128i rgb565 = _mm_unpacklo_epi8(rg, gb);
#else
const __m128i rgb565 = _mm_unpacklo_epi8(gb, rg);
@@ -160,10 +164,10 @@ static WEBP_INLINE void PackAndStore565(const __m128i* const R,
// Pack the planar buffers
// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ...
-static WEBP_INLINE void PlanarTo24b(__m128i* const in0, __m128i* const in1,
- __m128i* const in2, __m128i* const in3,
- __m128i* const in4, __m128i* const in5,
- uint8_t* const rgb) {
+static WEBP_INLINE void PlanarTo24b_SSE2(__m128i* const in0, __m128i* const in1,
+ __m128i* const in2, __m128i* const in3,
+ __m128i* const in4, __m128i* const in5,
+ uint8_t* const rgb) {
// The input is 6 registers of sixteen 8b but for the sake of explanation,
// let's take 6 registers of four 8b values.
// To pack, we will keep taking one every two 8b integer and move it
@@ -176,7 +180,7 @@ static WEBP_INLINE void PlanarTo24b(__m128i* const in0, __m128i* const in1,
// Repeat the same permutations twice more:
// r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7
// r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7
- VP8PlanarTo24b(in0, in1, in2, in3, in4, in5);
+ VP8PlanarTo24b_SSE2(in0, in1, in2, in3, in4, in5);
_mm_storeu_si128((__m128i*)(rgb + 0), *in0);
_mm_storeu_si128((__m128i*)(rgb + 16), *in1);
@@ -186,69 +190,69 @@ static WEBP_INLINE void PlanarTo24b(__m128i* const in0, __m128i* const in1,
_mm_storeu_si128((__m128i*)(rgb + 80), *in5);
}
-void VP8YuvToRgba32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToRgba32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n < 32; n += 8, dst += 32) {
__m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4(&R, &G, &B, &kAlpha, dst);
+ YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B);
+ PackAndStore4_SSE2(&R, &G, &B, &kAlpha, dst);
}
}
-void VP8YuvToBgra32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToBgra32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n < 32; n += 8, dst += 32) {
__m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4(&B, &G, &R, &kAlpha, dst);
+ YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B);
+ PackAndStore4_SSE2(&B, &G, &R, &kAlpha, dst);
}
}
-void VP8YuvToArgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToArgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n < 32; n += 8, dst += 32) {
__m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4(&kAlpha, &R, &G, &B, dst);
+ YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B);
+ PackAndStore4_SSE2(&kAlpha, &R, &G, &B, dst);
}
}
-void VP8YuvToRgba444432(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToRgba444432_SSE2(const uint8_t* y, const uint8_t* u,
+ const uint8_t* v, uint8_t* dst) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n < 32; n += 8, dst += 16) {
__m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4444(&R, &G, &B, &kAlpha, dst);
+ YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B);
+ PackAndStore4444_SSE2(&R, &G, &B, &kAlpha, dst);
}
}
-void VP8YuvToRgb56532(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToRgb56532_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
int n;
for (n = 0; n < 32; n += 8, dst += 16) {
__m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore565(&R, &G, &B, dst);
+ YUV444ToRGB_SSE2(y + n, u + n, v + n, &R, &G, &B);
+ PackAndStore565_SSE2(&R, &G, &B, dst);
}
}
-void VP8YuvToRgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToRgb32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
__m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
__m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5;
- YUV444ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV444ToRGB(y + 8, u + 8, v + 8, &R1, &G1, &B1);
- YUV444ToRGB(y + 16, u + 16, v + 16, &R2, &G2, &B2);
- YUV444ToRGB(y + 24, u + 24, v + 24, &R3, &G3, &B3);
+ YUV444ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV444ToRGB_SSE2(y + 8, u + 8, v + 8, &R1, &G1, &B1);
+ YUV444ToRGB_SSE2(y + 16, u + 16, v + 16, &R2, &G2, &B2);
+ YUV444ToRGB_SSE2(y + 24, u + 24, v + 24, &R3, &G3, &B3);
// Cast to 8b and store as RRRRGGGGBBBB.
rgb0 = _mm_packus_epi16(R0, R1);
@@ -259,18 +263,18 @@ void VP8YuvToRgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
rgb5 = _mm_packus_epi16(B2, B3);
// Pack as RGBRGBRGBRGB.
- PlanarTo24b(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
+ PlanarTo24b_SSE2(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
}
-void VP8YuvToBgr32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
+void VP8YuvToBgr32_SSE2(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
__m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
__m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5;
- YUV444ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV444ToRGB(y + 8, u + 8, v + 8, &R1, &G1, &B1);
- YUV444ToRGB(y + 16, u + 16, v + 16, &R2, &G2, &B2);
- YUV444ToRGB(y + 24, u + 24, v + 24, &R3, &G3, &B3);
+ YUV444ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV444ToRGB_SSE2(y + 8, u + 8, v + 8, &R1, &G1, &B1);
+ YUV444ToRGB_SSE2(y + 16, u + 16, v + 16, &R2, &G2, &B2);
+ YUV444ToRGB_SSE2(y + 24, u + 24, v + 24, &R3, &G3, &B3);
// Cast to 8b and store as BBBBGGGGRRRR.
bgr0 = _mm_packus_epi16(B0, B1);
@@ -281,20 +285,21 @@ void VP8YuvToBgr32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
bgr5= _mm_packus_epi16(R2, R3);
// Pack as BGRBGRBGRBGR.
- PlanarTo24b(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
+ PlanarTo24b_SSE2(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
}
//-----------------------------------------------------------------------------
// Arbitrary-length row conversion functions
-static void YuvToRgbaRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
+static void YuvToRgbaRow_SSE2(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n + 8 <= len; n += 8, dst += 32) {
__m128i R, G, B;
- YUV420ToRGB(y, u, v, &R, &G, &B);
- PackAndStore4(&R, &G, &B, &kAlpha, dst);
+ YUV420ToRGB_SSE2(y, u, v, &R, &G, &B);
+ PackAndStore4_SSE2(&R, &G, &B, &kAlpha, dst);
y += 8;
u += 4;
v += 4;
@@ -308,14 +313,15 @@ static void YuvToRgbaRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
}
}
-static void YuvToBgraRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
+static void YuvToBgraRow_SSE2(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n + 8 <= len; n += 8, dst += 32) {
__m128i R, G, B;
- YUV420ToRGB(y, u, v, &R, &G, &B);
- PackAndStore4(&B, &G, &R, &kAlpha, dst);
+ YUV420ToRGB_SSE2(y, u, v, &R, &G, &B);
+ PackAndStore4_SSE2(&B, &G, &R, &kAlpha, dst);
y += 8;
u += 4;
v += 4;
@@ -329,14 +335,15 @@ static void YuvToBgraRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
}
}
-static void YuvToArgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
+static void YuvToArgbRow_SSE2(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
const __m128i kAlpha = _mm_set1_epi16(255);
int n;
for (n = 0; n + 8 <= len; n += 8, dst += 32) {
__m128i R, G, B;
- YUV420ToRGB(y, u, v, &R, &G, &B);
- PackAndStore4(&kAlpha, &R, &G, &B, dst);
+ YUV420ToRGB_SSE2(y, u, v, &R, &G, &B);
+ PackAndStore4_SSE2(&kAlpha, &R, &G, &B, dst);
y += 8;
u += 4;
v += 4;
@@ -350,17 +357,18 @@ static void YuvToArgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
}
}
-static void YuvToRgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
+static void YuvToRgbRow_SSE2(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
int n;
for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) {
__m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
__m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5;
- YUV420ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV420ToRGB(y + 8, u + 4, v + 4, &R1, &G1, &B1);
- YUV420ToRGB(y + 16, u + 8, v + 8, &R2, &G2, &B2);
- YUV420ToRGB(y + 24, u + 12, v + 12, &R3, &G3, &B3);
+ YUV420ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV420ToRGB_SSE2(y + 8, u + 4, v + 4, &R1, &G1, &B1);
+ YUV420ToRGB_SSE2(y + 16, u + 8, v + 8, &R2, &G2, &B2);
+ YUV420ToRGB_SSE2(y + 24, u + 12, v + 12, &R3, &G3, &B3);
// Cast to 8b and store as RRRRGGGGBBBB.
rgb0 = _mm_packus_epi16(R0, R1);
@@ -371,7 +379,7 @@ static void YuvToRgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
rgb5 = _mm_packus_epi16(B2, B3);
// Pack as RGBRGBRGBRGB.
- PlanarTo24b(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
+ PlanarTo24b_SSE2(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
y += 32;
u += 16;
@@ -386,17 +394,18 @@ static void YuvToRgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
}
}
-static void YuvToBgrRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
+static void YuvToBgrRow_SSE2(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
int n;
for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) {
__m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
__m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5;
- YUV420ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV420ToRGB(y + 8, u + 4, v + 4, &R1, &G1, &B1);
- YUV420ToRGB(y + 16, u + 8, v + 8, &R2, &G2, &B2);
- YUV420ToRGB(y + 24, u + 12, v + 12, &R3, &G3, &B3);
+ YUV420ToRGB_SSE2(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV420ToRGB_SSE2(y + 8, u + 4, v + 4, &R1, &G1, &B1);
+ YUV420ToRGB_SSE2(y + 16, u + 8, v + 8, &R2, &G2, &B2);
+ YUV420ToRGB_SSE2(y + 24, u + 12, v + 12, &R3, &G3, &B3);
// Cast to 8b and store as BBBBGGGGRRRR.
bgr0 = _mm_packus_epi16(B0, B1);
@@ -407,7 +416,7 @@ static void YuvToBgrRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
bgr5 = _mm_packus_epi16(R2, R3);
// Pack as BGRBGRBGRBGR.
- PlanarTo24b(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
+ PlanarTo24b_SSE2(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
y += 32;
u += 16;
@@ -428,11 +437,11 @@ static void YuvToBgrRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
extern void WebPInitSamplersSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void) {
- WebPSamplers[MODE_RGB] = YuvToRgbRow;
- WebPSamplers[MODE_RGBA] = YuvToRgbaRow;
- WebPSamplers[MODE_BGR] = YuvToBgrRow;
- WebPSamplers[MODE_BGRA] = YuvToBgraRow;
- WebPSamplers[MODE_ARGB] = YuvToArgbRow;
+ WebPSamplers[MODE_RGB] = YuvToRgbRow_SSE2;
+ WebPSamplers[MODE_RGBA] = YuvToRgbaRow_SSE2;
+ WebPSamplers[MODE_BGR] = YuvToBgrRow_SSE2;
+ WebPSamplers[MODE_BGRA] = YuvToBgraRow_SSE2;
+ WebPSamplers[MODE_ARGB] = YuvToArgbRow_SSE2;
}
//------------------------------------------------------------------------------
@@ -445,7 +454,7 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void) {
// Function that inserts a value of the second half of the in buffer in between
// every two char of the first half.
-static WEBP_INLINE void RGB24PackedToPlanarHelper(
+static WEBP_INLINE void RGB24PackedToPlanarHelper_SSE2(
const __m128i* const in /*in[6]*/, __m128i* const out /*out[6]*/) {
out[0] = _mm_unpacklo_epi8(in[0], in[3]);
out[1] = _mm_unpackhi_epi8(in[0], in[3]);
@@ -458,8 +467,8 @@ static WEBP_INLINE void RGB24PackedToPlanarHelper(
// Unpack the 8b input rgbrgbrgbrgb ... as contiguous registers:
// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
// Similar to PlanarTo24bHelper(), but in reverse order.
-static WEBP_INLINE void RGB24PackedToPlanar(const uint8_t* const rgb,
- __m128i* const out /*out[6]*/) {
+static WEBP_INLINE void RGB24PackedToPlanar_SSE2(
+ const uint8_t* const rgb, __m128i* const out /*out[6]*/) {
__m128i tmp[6];
tmp[0] = _mm_loadu_si128((const __m128i*)(rgb + 0));
tmp[1] = _mm_loadu_si128((const __m128i*)(rgb + 16));
@@ -468,22 +477,22 @@ static WEBP_INLINE void RGB24PackedToPlanar(const uint8_t* const rgb,
tmp[4] = _mm_loadu_si128((const __m128i*)(rgb + 64));
tmp[5] = _mm_loadu_si128((const __m128i*)(rgb + 80));
- RGB24PackedToPlanarHelper(tmp, out);
- RGB24PackedToPlanarHelper(out, tmp);
- RGB24PackedToPlanarHelper(tmp, out);
- RGB24PackedToPlanarHelper(out, tmp);
- RGB24PackedToPlanarHelper(tmp, out);
+ RGB24PackedToPlanarHelper_SSE2(tmp, out);
+ RGB24PackedToPlanarHelper_SSE2(out, tmp);
+ RGB24PackedToPlanarHelper_SSE2(tmp, out);
+ RGB24PackedToPlanarHelper_SSE2(out, tmp);
+ RGB24PackedToPlanarHelper_SSE2(tmp, out);
}
// Convert 8 packed ARGB to r[], g[], b[]
-static WEBP_INLINE void RGB32PackedToPlanar(const uint32_t* const argb,
- __m128i* const rgb /*in[6]*/) {
+static WEBP_INLINE void RGB32PackedToPlanar_SSE2(const uint32_t* const argb,
+ __m128i* const rgb /*in[6]*/) {
const __m128i zero = _mm_setzero_si128();
__m128i a0 = LOAD_16(argb + 0);
__m128i a1 = LOAD_16(argb + 4);
__m128i a2 = LOAD_16(argb + 8);
__m128i a3 = LOAD_16(argb + 12);
- VP8L32bToPlanar(&a0, &a1, &a2, &a3);
+ VP8L32bToPlanar_SSE2(&a0, &a1, &a2, &a3);
rgb[0] = _mm_unpacklo_epi8(a1, zero);
rgb[1] = _mm_unpackhi_epi8(a1, zero);
rgb[2] = _mm_unpacklo_epi8(a2, zero);
@@ -511,10 +520,10 @@ static WEBP_INLINE void RGB32PackedToPlanar(const uint32_t* const argb,
} while (0)
#define MK_CST_16(A, B) _mm_set_epi16((B), (A), (B), (A), (B), (A), (B), (A))
-static WEBP_INLINE void ConvertRGBToY(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- __m128i* const Y) {
+static WEBP_INLINE void ConvertRGBToY_SSE2(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ __m128i* const Y) {
const __m128i kRG_y = MK_CST_16(16839, 33059 - 16384);
const __m128i kGB_y = MK_CST_16(16384, 6420);
const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF);
@@ -526,10 +535,11 @@ static WEBP_INLINE void ConvertRGBToY(const __m128i* const R,
TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y);
}
-static WEBP_INLINE void ConvertRGBToUV(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- __m128i* const U, __m128i* const V) {
+static WEBP_INLINE void ConvertRGBToUV_SSE2(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ __m128i* const U,
+ __m128i* const V) {
const __m128i kRG_u = MK_CST_16(-9719, -19081);
const __m128i kGB_u = MK_CST_16(0, 28800);
const __m128i kRG_v = MK_CST_16(28800, 0);
@@ -549,14 +559,14 @@ static WEBP_INLINE void ConvertRGBToUV(const __m128i* const R,
#undef MK_CST_16
#undef TRANSFORM
-static void ConvertRGB24ToY(const uint8_t* rgb, uint8_t* y, int width) {
+static void ConvertRGB24ToY_SSE2(const uint8_t* rgb, uint8_t* y, int width) {
const int max_width = width & ~31;
int i;
for (i = 0; i < max_width; rgb += 3 * 16 * 2) {
__m128i rgb_plane[6];
int j;
- RGB24PackedToPlanar(rgb, rgb_plane);
+ RGB24PackedToPlanar_SSE2(rgb, rgb_plane);
for (j = 0; j < 2; ++j, i += 16) {
const __m128i zero = _mm_setzero_si128();
@@ -566,13 +576,13 @@ static void ConvertRGB24ToY(const uint8_t* rgb, uint8_t* y, int width) {
r = _mm_unpacklo_epi8(rgb_plane[0 + j], zero);
g = _mm_unpacklo_epi8(rgb_plane[2 + j], zero);
b = _mm_unpacklo_epi8(rgb_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y0);
+ ConvertRGBToY_SSE2(&r, &g, &b, &Y0);
// Convert to 16-bit Y.
r = _mm_unpackhi_epi8(rgb_plane[0 + j], zero);
g = _mm_unpackhi_epi8(rgb_plane[2 + j], zero);
b = _mm_unpackhi_epi8(rgb_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y1);
+ ConvertRGBToY_SSE2(&r, &g, &b, &Y1);
// Cast to 8-bit and store.
STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
@@ -583,14 +593,14 @@ static void ConvertRGB24ToY(const uint8_t* rgb, uint8_t* y, int width) {
}
}
-static void ConvertBGR24ToY(const uint8_t* bgr, uint8_t* y, int width) {
+static void ConvertBGR24ToY_SSE2(const uint8_t* bgr, uint8_t* y, int width) {
const int max_width = width & ~31;
int i;
for (i = 0; i < max_width; bgr += 3 * 16 * 2) {
__m128i bgr_plane[6];
int j;
- RGB24PackedToPlanar(bgr, bgr_plane);
+ RGB24PackedToPlanar_SSE2(bgr, bgr_plane);
for (j = 0; j < 2; ++j, i += 16) {
const __m128i zero = _mm_setzero_si128();
@@ -600,13 +610,13 @@ static void ConvertBGR24ToY(const uint8_t* bgr, uint8_t* y, int width) {
b = _mm_unpacklo_epi8(bgr_plane[0 + j], zero);
g = _mm_unpacklo_epi8(bgr_plane[2 + j], zero);
r = _mm_unpacklo_epi8(bgr_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y0);
+ ConvertRGBToY_SSE2(&r, &g, &b, &Y0);
// Convert to 16-bit Y.
b = _mm_unpackhi_epi8(bgr_plane[0 + j], zero);
g = _mm_unpackhi_epi8(bgr_plane[2 + j], zero);
r = _mm_unpackhi_epi8(bgr_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y1);
+ ConvertRGBToY_SSE2(&r, &g, &b, &Y1);
// Cast to 8-bit and store.
STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
@@ -617,14 +627,14 @@ static void ConvertBGR24ToY(const uint8_t* bgr, uint8_t* y, int width) {
}
}
-static void ConvertARGBToY(const uint32_t* argb, uint8_t* y, int width) {
+static void ConvertARGBToY_SSE2(const uint32_t* argb, uint8_t* y, int width) {
const int max_width = width & ~15;
int i;
for (i = 0; i < max_width; i += 16) {
__m128i Y0, Y1, rgb[6];
- RGB32PackedToPlanar(&argb[i], rgb);
- ConvertRGBToY(&rgb[0], &rgb[2], &rgb[4], &Y0);
- ConvertRGBToY(&rgb[1], &rgb[3], &rgb[5], &Y1);
+ RGB32PackedToPlanar_SSE2(&argb[i], rgb);
+ ConvertRGBToY_SSE2(&rgb[0], &rgb[2], &rgb[4], &Y0);
+ ConvertRGBToY_SSE2(&rgb[1], &rgb[3], &rgb[5], &Y1);
STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
}
for (; i < width; ++i) { // left-over
@@ -636,31 +646,33 @@ static void ConvertARGBToY(const uint32_t* argb, uint8_t* y, int width) {
// Horizontal add (doubled) of two 16b values, result is 16b.
// in: A | B | C | D | ... -> out: 2*(A+B) | 2*(C+D) | ...
-static void HorizontalAddPack(const __m128i* const A, const __m128i* const B,
- __m128i* const out) {
+static void HorizontalAddPack_SSE2(const __m128i* const A,
+ const __m128i* const B,
+ __m128i* const out) {
const __m128i k2 = _mm_set1_epi16(2);
const __m128i C = _mm_madd_epi16(*A, k2);
const __m128i D = _mm_madd_epi16(*B, k2);
*out = _mm_packs_epi32(C, D);
}
-static void ConvertARGBToUV(const uint32_t* argb, uint8_t* u, uint8_t* v,
- int src_width, int do_store) {
+static void ConvertARGBToUV_SSE2(const uint32_t* argb,
+ uint8_t* u, uint8_t* v,
+ int src_width, int do_store) {
const int max_width = src_width & ~31;
int i;
for (i = 0; i < max_width; i += 32, u += 16, v += 16) {
__m128i rgb[6], U0, V0, U1, V1;
- RGB32PackedToPlanar(&argb[i], rgb);
- HorizontalAddPack(&rgb[0], &rgb[1], &rgb[0]);
- HorizontalAddPack(&rgb[2], &rgb[3], &rgb[2]);
- HorizontalAddPack(&rgb[4], &rgb[5], &rgb[4]);
- ConvertRGBToUV(&rgb[0], &rgb[2], &rgb[4], &U0, &V0);
-
- RGB32PackedToPlanar(&argb[i + 16], rgb);
- HorizontalAddPack(&rgb[0], &rgb[1], &rgb[0]);
- HorizontalAddPack(&rgb[2], &rgb[3], &rgb[2]);
- HorizontalAddPack(&rgb[4], &rgb[5], &rgb[4]);
- ConvertRGBToUV(&rgb[0], &rgb[2], &rgb[4], &U1, &V1);
+ RGB32PackedToPlanar_SSE2(&argb[i], rgb);
+ HorizontalAddPack_SSE2(&rgb[0], &rgb[1], &rgb[0]);
+ HorizontalAddPack_SSE2(&rgb[2], &rgb[3], &rgb[2]);
+ HorizontalAddPack_SSE2(&rgb[4], &rgb[5], &rgb[4]);
+ ConvertRGBToUV_SSE2(&rgb[0], &rgb[2], &rgb[4], &U0, &V0);
+
+ RGB32PackedToPlanar_SSE2(&argb[i + 16], rgb);
+ HorizontalAddPack_SSE2(&rgb[0], &rgb[1], &rgb[0]);
+ HorizontalAddPack_SSE2(&rgb[2], &rgb[3], &rgb[2]);
+ HorizontalAddPack_SSE2(&rgb[4], &rgb[5], &rgb[4]);
+ ConvertRGBToUV_SSE2(&rgb[0], &rgb[2], &rgb[4], &U1, &V1);
U0 = _mm_packus_epi16(U0, U1);
V0 = _mm_packus_epi16(V0, V1);
@@ -679,10 +691,9 @@ static void ConvertARGBToUV(const uint32_t* argb, uint8_t* u, uint8_t* v,
}
// Convert 16 packed ARGB 16b-values to r[], g[], b[]
-static WEBP_INLINE void RGBA32PackedToPlanar_16b(const uint16_t* const rgbx,
- __m128i* const r,
- __m128i* const g,
- __m128i* const b) {
+static WEBP_INLINE void RGBA32PackedToPlanar_16b_SSE2(
+ const uint16_t* const rgbx,
+ __m128i* const r, __m128i* const g, __m128i* const b) {
const __m128i in0 = LOAD_16(rgbx + 0); // r0 | g0 | b0 |x| r1 | g1 | b1 |x
const __m128i in1 = LOAD_16(rgbx + 8); // r2 | g2 | b2 |x| r3 | g3 | b3 |x
const __m128i in2 = LOAD_16(rgbx + 16); // r4 | ...
@@ -701,16 +712,16 @@ static WEBP_INLINE void RGBA32PackedToPlanar_16b(const uint16_t* const rgbx,
*b = _mm_unpacklo_epi64(B1, B3);
}
-static void ConvertRGBA32ToUV(const uint16_t* rgb,
- uint8_t* u, uint8_t* v, int width) {
+static void ConvertRGBA32ToUV_SSE2(const uint16_t* rgb,
+ uint8_t* u, uint8_t* v, int width) {
const int max_width = width & ~15;
const uint16_t* const last_rgb = rgb + 4 * max_width;
while (rgb < last_rgb) {
__m128i r, g, b, U0, V0, U1, V1;
- RGBA32PackedToPlanar_16b(rgb + 0, &r, &g, &b);
- ConvertRGBToUV(&r, &g, &b, &U0, &V0);
- RGBA32PackedToPlanar_16b(rgb + 32, &r, &g, &b);
- ConvertRGBToUV(&r, &g, &b, &U1, &V1);
+ RGBA32PackedToPlanar_16b_SSE2(rgb + 0, &r, &g, &b);
+ ConvertRGBToUV_SSE2(&r, &g, &b, &U0, &V0);
+ RGBA32PackedToPlanar_16b_SSE2(rgb + 32, &r, &g, &b);
+ ConvertRGBToUV_SSE2(&r, &g, &b, &U1, &V1);
STORE_16(_mm_packus_epi16(U0, U1), u);
STORE_16(_mm_packus_epi16(V0, V1), v);
u += 16;
@@ -727,13 +738,13 @@ static void ConvertRGBA32ToUV(const uint16_t* rgb,
extern void WebPInitConvertARGBToYUVSSE2(void);
WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVSSE2(void) {
- WebPConvertARGBToY = ConvertARGBToY;
- WebPConvertARGBToUV = ConvertARGBToUV;
+ WebPConvertARGBToY = ConvertARGBToY_SSE2;
+ WebPConvertARGBToUV = ConvertARGBToUV_SSE2;
- WebPConvertRGB24ToY = ConvertRGB24ToY;
- WebPConvertBGR24ToY = ConvertBGR24ToY;
+ WebPConvertRGB24ToY = ConvertRGB24ToY_SSE2;
+ WebPConvertBGR24ToY = ConvertBGR24ToY_SSE2;
- WebPConvertRGBA32ToUV = ConvertRGBA32ToUV;
+ WebPConvertRGBA32ToUV = ConvertRGBA32ToUV_SSE2;
}
//------------------------------------------------------------------------------
diff --git a/media/libwebp/dsp/yuv_sse41.c b/media/libwebp/dsp/yuv_sse41.c
new file mode 100644
index 000000000..95ab7ad14
--- /dev/null
+++ b/media/libwebp/dsp/yuv_sse41.c
@@ -0,0 +1,613 @@
+// Copyright 2014 Google Inc. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+// -----------------------------------------------------------------------------
+//
+// YUV->RGB conversion functions
+//
+// Author: Skal (pascal.massimino@gmail.com)
+
+#include "../dsp/yuv.h"
+
+#if defined(WEBP_USE_SSE41)
+
+#include "../dsp/common_sse41.h"
+#include <stdlib.h>
+#include <smmintrin.h>
+
+//-----------------------------------------------------------------------------
+// Convert spans of 32 pixels to various RGB formats for the fancy upsampler.
+
+// These constants are 14b fixed-point version of ITU-R BT.601 constants.
+// R = (19077 * y + 26149 * v - 14234) >> 6
+// G = (19077 * y - 6419 * u - 13320 * v + 8708) >> 6
+// B = (19077 * y + 33050 * u - 17685) >> 6
+static void ConvertYUV444ToRGB_SSE41(const __m128i* const Y0,
+ const __m128i* const U0,
+ const __m128i* const V0,
+ __m128i* const R,
+ __m128i* const G,
+ __m128i* const B) {
+ const __m128i k19077 = _mm_set1_epi16(19077);
+ const __m128i k26149 = _mm_set1_epi16(26149);
+ const __m128i k14234 = _mm_set1_epi16(14234);
+ // 33050 doesn't fit in a signed short: only use this with unsigned arithmetic
+ const __m128i k33050 = _mm_set1_epi16((short)33050);
+ const __m128i k17685 = _mm_set1_epi16(17685);
+ const __m128i k6419 = _mm_set1_epi16(6419);
+ const __m128i k13320 = _mm_set1_epi16(13320);
+ const __m128i k8708 = _mm_set1_epi16(8708);
+
+ const __m128i Y1 = _mm_mulhi_epu16(*Y0, k19077);
+
+ const __m128i R0 = _mm_mulhi_epu16(*V0, k26149);
+ const __m128i R1 = _mm_sub_epi16(Y1, k14234);
+ const __m128i R2 = _mm_add_epi16(R1, R0);
+
+ const __m128i G0 = _mm_mulhi_epu16(*U0, k6419);
+ const __m128i G1 = _mm_mulhi_epu16(*V0, k13320);
+ const __m128i G2 = _mm_add_epi16(Y1, k8708);
+ const __m128i G3 = _mm_add_epi16(G0, G1);
+ const __m128i G4 = _mm_sub_epi16(G2, G3);
+
+ // be careful with the saturated *unsigned* arithmetic here!
+ const __m128i B0 = _mm_mulhi_epu16(*U0, k33050);
+ const __m128i B1 = _mm_adds_epu16(B0, Y1);
+ const __m128i B2 = _mm_subs_epu16(B1, k17685);
+
+ // use logical shift for B2, which can be larger than 32767
+ *R = _mm_srai_epi16(R2, 6); // range: [-14234, 30815]
+ *G = _mm_srai_epi16(G4, 6); // range: [-10953, 27710]
+ *B = _mm_srli_epi16(B2, 6); // range: [0, 34238]
+}
+
+// Load the bytes into the *upper* part of 16b words. That's "<< 8", basically.
+static WEBP_INLINE __m128i Load_HI_16_SSE41(const uint8_t* src) {
+ const __m128i zero = _mm_setzero_si128();
+ return _mm_unpacklo_epi8(zero, _mm_loadl_epi64((const __m128i*)src));
+}
+
+// Load and replicate the U/V samples
+static WEBP_INLINE __m128i Load_UV_HI_8_SSE41(const uint8_t* src) {
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i tmp0 = _mm_cvtsi32_si128(*(const uint32_t*)src);
+ const __m128i tmp1 = _mm_unpacklo_epi8(zero, tmp0);
+ return _mm_unpacklo_epi16(tmp1, tmp1); // replicate samples
+}
+
+// Convert 32 samples of YUV444 to R/G/B
+static void YUV444ToRGB_SSE41(const uint8_t* const y,
+ const uint8_t* const u,
+ const uint8_t* const v,
+ __m128i* const R, __m128i* const G,
+ __m128i* const B) {
+ const __m128i Y0 = Load_HI_16_SSE41(y), U0 = Load_HI_16_SSE41(u),
+ V0 = Load_HI_16_SSE41(v);
+ ConvertYUV444ToRGB_SSE41(&Y0, &U0, &V0, R, G, B);
+}
+
+// Convert 32 samples of YUV420 to R/G/B
+static void YUV420ToRGB_SSE41(const uint8_t* const y,
+ const uint8_t* const u,
+ const uint8_t* const v,
+ __m128i* const R, __m128i* const G,
+ __m128i* const B) {
+ const __m128i Y0 = Load_HI_16_SSE41(y), U0 = Load_UV_HI_8_SSE41(u),
+ V0 = Load_UV_HI_8_SSE41(v);
+ ConvertYUV444ToRGB_SSE41(&Y0, &U0, &V0, R, G, B);
+}
+
+// Pack the planar buffers
+// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
+// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ...
+static WEBP_INLINE void PlanarTo24b_SSE41(
+ __m128i* const in0, __m128i* const in1, __m128i* const in2,
+ __m128i* const in3, __m128i* const in4, __m128i* const in5,
+ uint8_t* const rgb) {
+ // The input is 6 registers of sixteen 8b but for the sake of explanation,
+ // let's take 6 registers of four 8b values.
+ // To pack, we will keep taking one every two 8b integer and move it
+ // around as follows:
+ // Input:
+ // r0r1r2r3 | r4r5r6r7 | g0g1g2g3 | g4g5g6g7 | b0b1b2b3 | b4b5b6b7
+ // Split the 6 registers in two sets of 3 registers: the first set as the even
+ // 8b bytes, the second the odd ones:
+ // r0r2r4r6 | g0g2g4g6 | b0b2b4b6 | r1r3r5r7 | g1g3g5g7 | b1b3b5b7
+ // Repeat the same permutations twice more:
+ // r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7
+ // r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7
+ VP8PlanarTo24b_SSE41(in0, in1, in2, in3, in4, in5);
+
+ _mm_storeu_si128((__m128i*)(rgb + 0), *in0);
+ _mm_storeu_si128((__m128i*)(rgb + 16), *in1);
+ _mm_storeu_si128((__m128i*)(rgb + 32), *in2);
+ _mm_storeu_si128((__m128i*)(rgb + 48), *in3);
+ _mm_storeu_si128((__m128i*)(rgb + 64), *in4);
+ _mm_storeu_si128((__m128i*)(rgb + 80), *in5);
+}
+
+void VP8YuvToRgb32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
+ __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
+ __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5;
+
+ YUV444ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV444ToRGB_SSE41(y + 8, u + 8, v + 8, &R1, &G1, &B1);
+ YUV444ToRGB_SSE41(y + 16, u + 16, v + 16, &R2, &G2, &B2);
+ YUV444ToRGB_SSE41(y + 24, u + 24, v + 24, &R3, &G3, &B3);
+
+ // Cast to 8b and store as RRRRGGGGBBBB.
+ rgb0 = _mm_packus_epi16(R0, R1);
+ rgb1 = _mm_packus_epi16(R2, R3);
+ rgb2 = _mm_packus_epi16(G0, G1);
+ rgb3 = _mm_packus_epi16(G2, G3);
+ rgb4 = _mm_packus_epi16(B0, B1);
+ rgb5 = _mm_packus_epi16(B2, B3);
+
+ // Pack as RGBRGBRGBRGB.
+ PlanarTo24b_SSE41(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
+}
+
+void VP8YuvToBgr32_SSE41(const uint8_t* y, const uint8_t* u, const uint8_t* v,
+ uint8_t* dst) {
+ __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
+ __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5;
+
+ YUV444ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV444ToRGB_SSE41(y + 8, u + 8, v + 8, &R1, &G1, &B1);
+ YUV444ToRGB_SSE41(y + 16, u + 16, v + 16, &R2, &G2, &B2);
+ YUV444ToRGB_SSE41(y + 24, u + 24, v + 24, &R3, &G3, &B3);
+
+ // Cast to 8b and store as BBBBGGGGRRRR.
+ bgr0 = _mm_packus_epi16(B0, B1);
+ bgr1 = _mm_packus_epi16(B2, B3);
+ bgr2 = _mm_packus_epi16(G0, G1);
+ bgr3 = _mm_packus_epi16(G2, G3);
+ bgr4 = _mm_packus_epi16(R0, R1);
+ bgr5= _mm_packus_epi16(R2, R3);
+
+ // Pack as BGRBGRBGRBGR.
+ PlanarTo24b_SSE41(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
+}
+
+//-----------------------------------------------------------------------------
+// Arbitrary-length row conversion functions
+
+static void YuvToRgbRow_SSE41(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
+ int n;
+ for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) {
+ __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
+ __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5;
+
+ YUV420ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV420ToRGB_SSE41(y + 8, u + 4, v + 4, &R1, &G1, &B1);
+ YUV420ToRGB_SSE41(y + 16, u + 8, v + 8, &R2, &G2, &B2);
+ YUV420ToRGB_SSE41(y + 24, u + 12, v + 12, &R3, &G3, &B3);
+
+ // Cast to 8b and store as RRRRGGGGBBBB.
+ rgb0 = _mm_packus_epi16(R0, R1);
+ rgb1 = _mm_packus_epi16(R2, R3);
+ rgb2 = _mm_packus_epi16(G0, G1);
+ rgb3 = _mm_packus_epi16(G2, G3);
+ rgb4 = _mm_packus_epi16(B0, B1);
+ rgb5 = _mm_packus_epi16(B2, B3);
+
+ // Pack as RGBRGBRGBRGB.
+ PlanarTo24b_SSE41(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
+
+ y += 32;
+ u += 16;
+ v += 16;
+ }
+ for (; n < len; ++n) { // Finish off
+ VP8YuvToRgb(y[0], u[0], v[0], dst);
+ dst += 3;
+ y += 1;
+ u += (n & 1);
+ v += (n & 1);
+ }
+}
+
+static void YuvToBgrRow_SSE41(const uint8_t* y,
+ const uint8_t* u, const uint8_t* v,
+ uint8_t* dst, int len) {
+ int n;
+ for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) {
+ __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
+ __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5;
+
+ YUV420ToRGB_SSE41(y + 0, u + 0, v + 0, &R0, &G0, &B0);
+ YUV420ToRGB_SSE41(y + 8, u + 4, v + 4, &R1, &G1, &B1);
+ YUV420ToRGB_SSE41(y + 16, u + 8, v + 8, &R2, &G2, &B2);
+ YUV420ToRGB_SSE41(y + 24, u + 12, v + 12, &R3, &G3, &B3);
+
+ // Cast to 8b and store as BBBBGGGGRRRR.
+ bgr0 = _mm_packus_epi16(B0, B1);
+ bgr1 = _mm_packus_epi16(B2, B3);
+ bgr2 = _mm_packus_epi16(G0, G1);
+ bgr3 = _mm_packus_epi16(G2, G3);
+ bgr4 = _mm_packus_epi16(R0, R1);
+ bgr5 = _mm_packus_epi16(R2, R3);
+
+ // Pack as BGRBGRBGRBGR.
+ PlanarTo24b_SSE41(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
+
+ y += 32;
+ u += 16;
+ v += 16;
+ }
+ for (; n < len; ++n) { // Finish off
+ VP8YuvToBgr(y[0], u[0], v[0], dst);
+ dst += 3;
+ y += 1;
+ u += (n & 1);
+ v += (n & 1);
+ }
+}
+
+//------------------------------------------------------------------------------
+// Entry point
+
+extern void WebPInitSamplersSSE41(void);
+
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE41(void) {
+ WebPSamplers[MODE_RGB] = YuvToRgbRow_SSE41;
+ WebPSamplers[MODE_BGR] = YuvToBgrRow_SSE41;
+}
+
+//------------------------------------------------------------------------------
+// RGB24/32 -> YUV converters
+
+// Load eight 16b-words from *src.
+#define LOAD_16(src) _mm_loadu_si128((const __m128i*)(src))
+// Store either 16b-words into *dst
+#define STORE_16(V, dst) _mm_storeu_si128((__m128i*)(dst), (V))
+
+#define WEBP_SSE41_SHUFF(OUT) do { \
+ const __m128i tmp0 = _mm_shuffle_epi8(A0, shuff0); \
+ const __m128i tmp1 = _mm_shuffle_epi8(A1, shuff1); \
+ const __m128i tmp2 = _mm_shuffle_epi8(A2, shuff2); \
+ const __m128i tmp3 = _mm_shuffle_epi8(A3, shuff0); \
+ const __m128i tmp4 = _mm_shuffle_epi8(A4, shuff1); \
+ const __m128i tmp5 = _mm_shuffle_epi8(A5, shuff2); \
+ \
+ /* OR everything to get one channel */ \
+ const __m128i tmp6 = _mm_or_si128(tmp0, tmp1); \
+ const __m128i tmp7 = _mm_or_si128(tmp3, tmp4); \
+ out[OUT + 0] = _mm_or_si128(tmp6, tmp2); \
+ out[OUT + 1] = _mm_or_si128(tmp7, tmp5); \
+} while (0);
+
+// Unpack the 8b input rgbrgbrgbrgb ... as contiguous registers:
+// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
+// Similar to PlanarTo24bHelper(), but in reverse order.
+static WEBP_INLINE void RGB24PackedToPlanar_SSE41(
+ const uint8_t* const rgb, __m128i* const out /*out[6]*/) {
+ const __m128i A0 = _mm_loadu_si128((const __m128i*)(rgb + 0));
+ const __m128i A1 = _mm_loadu_si128((const __m128i*)(rgb + 16));
+ const __m128i A2 = _mm_loadu_si128((const __m128i*)(rgb + 32));
+ const __m128i A3 = _mm_loadu_si128((const __m128i*)(rgb + 48));
+ const __m128i A4 = _mm_loadu_si128((const __m128i*)(rgb + 64));
+ const __m128i A5 = _mm_loadu_si128((const __m128i*)(rgb + 80));
+
+ // Compute RR.
+ {
+ const __m128i shuff0 = _mm_set_epi8(
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 15, 12, 9, 6, 3, 0);
+ const __m128i shuff1 = _mm_set_epi8(
+ -1, -1, -1, -1, -1, 14, 11, 8, 5, 2, -1, -1, -1, -1, -1, -1);
+ const __m128i shuff2 = _mm_set_epi8(
+ 13, 10, 7, 4, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
+ WEBP_SSE41_SHUFF(0)
+ }
+ // Compute GG.
+ {
+ const __m128i shuff0 = _mm_set_epi8(
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 13, 10, 7, 4, 1);
+ const __m128i shuff1 = _mm_set_epi8(
+ -1, -1, -1, -1, -1, 15, 12, 9, 6, 3, 0, -1, -1, -1, -1, -1);
+ const __m128i shuff2 = _mm_set_epi8(
+ 14, 11, 8, 5, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
+ WEBP_SSE41_SHUFF(2)
+ }
+ // Compute BB.
+ {
+ const __m128i shuff0 = _mm_set_epi8(
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 14, 11, 8, 5, 2);
+ const __m128i shuff1 = _mm_set_epi8(
+ -1, -1, -1, -1, -1, -1, 13, 10, 7, 4, 1, -1, -1, -1, -1, -1);
+ const __m128i shuff2 = _mm_set_epi8(
+ 15, 12, 9, 6, 3, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
+ WEBP_SSE41_SHUFF(4)
+ }
+}
+
+#undef WEBP_SSE41_SHUFF
+
+// Convert 8 packed ARGB to r[], g[], b[]
+static WEBP_INLINE void RGB32PackedToPlanar_SSE41(
+ const uint32_t* const argb, __m128i* const rgb /*in[6]*/) {
+ const __m128i zero = _mm_setzero_si128();
+ __m128i a0 = LOAD_16(argb + 0);
+ __m128i a1 = LOAD_16(argb + 4);
+ __m128i a2 = LOAD_16(argb + 8);
+ __m128i a3 = LOAD_16(argb + 12);
+ VP8L32bToPlanar_SSE41(&a0, &a1, &a2, &a3);
+ rgb[0] = _mm_unpacklo_epi8(a1, zero);
+ rgb[1] = _mm_unpackhi_epi8(a1, zero);
+ rgb[2] = _mm_unpacklo_epi8(a2, zero);
+ rgb[3] = _mm_unpackhi_epi8(a2, zero);
+ rgb[4] = _mm_unpacklo_epi8(a3, zero);
+ rgb[5] = _mm_unpackhi_epi8(a3, zero);
+}
+
+// This macro computes (RG * MULT_RG + GB * MULT_GB + ROUNDER) >> DESCALE_FIX
+// It's a macro and not a function because we need to use immediate values with
+// srai_epi32, e.g.
+#define TRANSFORM(RG_LO, RG_HI, GB_LO, GB_HI, MULT_RG, MULT_GB, \
+ ROUNDER, DESCALE_FIX, OUT) do { \
+ const __m128i V0_lo = _mm_madd_epi16(RG_LO, MULT_RG); \
+ const __m128i V0_hi = _mm_madd_epi16(RG_HI, MULT_RG); \
+ const __m128i V1_lo = _mm_madd_epi16(GB_LO, MULT_GB); \
+ const __m128i V1_hi = _mm_madd_epi16(GB_HI, MULT_GB); \
+ const __m128i V2_lo = _mm_add_epi32(V0_lo, V1_lo); \
+ const __m128i V2_hi = _mm_add_epi32(V0_hi, V1_hi); \
+ const __m128i V3_lo = _mm_add_epi32(V2_lo, ROUNDER); \
+ const __m128i V3_hi = _mm_add_epi32(V2_hi, ROUNDER); \
+ const __m128i V5_lo = _mm_srai_epi32(V3_lo, DESCALE_FIX); \
+ const __m128i V5_hi = _mm_srai_epi32(V3_hi, DESCALE_FIX); \
+ (OUT) = _mm_packs_epi32(V5_lo, V5_hi); \
+} while (0)
+
+#define MK_CST_16(A, B) _mm_set_epi16((B), (A), (B), (A), (B), (A), (B), (A))
+static WEBP_INLINE void ConvertRGBToY_SSE41(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ __m128i* const Y) {
+ const __m128i kRG_y = MK_CST_16(16839, 33059 - 16384);
+ const __m128i kGB_y = MK_CST_16(16384, 6420);
+ const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF);
+
+ const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G);
+ const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G);
+ const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B);
+ const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B);
+ TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y);
+}
+
+static WEBP_INLINE void ConvertRGBToUV_SSE41(const __m128i* const R,
+ const __m128i* const G,
+ const __m128i* const B,
+ __m128i* const U,
+ __m128i* const V) {
+ const __m128i kRG_u = MK_CST_16(-9719, -19081);
+ const __m128i kGB_u = MK_CST_16(0, 28800);
+ const __m128i kRG_v = MK_CST_16(28800, 0);
+ const __m128i kGB_v = MK_CST_16(-24116, -4684);
+ const __m128i kHALF_UV = _mm_set1_epi32(((128 << YUV_FIX) + YUV_HALF) << 2);
+
+ const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G);
+ const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G);
+ const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B);
+ const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B);
+ TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_u, kGB_u,
+ kHALF_UV, YUV_FIX + 2, *U);
+ TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_v, kGB_v,
+ kHALF_UV, YUV_FIX + 2, *V);
+}
+
+#undef MK_CST_16
+#undef TRANSFORM
+
+static void ConvertRGB24ToY_SSE41(const uint8_t* rgb, uint8_t* y, int width) {
+ const int max_width = width & ~31;
+ int i;
+ for (i = 0; i < max_width; rgb += 3 * 16 * 2) {
+ __m128i rgb_plane[6];
+ int j;
+
+ RGB24PackedToPlanar_SSE41(rgb, rgb_plane);
+
+ for (j = 0; j < 2; ++j, i += 16) {
+ const __m128i zero = _mm_setzero_si128();
+ __m128i r, g, b, Y0, Y1;
+
+ // Convert to 16-bit Y.
+ r = _mm_unpacklo_epi8(rgb_plane[0 + j], zero);
+ g = _mm_unpacklo_epi8(rgb_plane[2 + j], zero);
+ b = _mm_unpacklo_epi8(rgb_plane[4 + j], zero);
+ ConvertRGBToY_SSE41(&r, &g, &b, &Y0);
+
+ // Convert to 16-bit Y.
+ r = _mm_unpackhi_epi8(rgb_plane[0 + j], zero);
+ g = _mm_unpackhi_epi8(rgb_plane[2 + j], zero);
+ b = _mm_unpackhi_epi8(rgb_plane[4 + j], zero);
+ ConvertRGBToY_SSE41(&r, &g, &b, &Y1);
+
+ // Cast to 8-bit and store.
+ STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
+ }
+ }
+ for (; i < width; ++i, rgb += 3) { // left-over
+ y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF);
+ }
+}
+
+static void ConvertBGR24ToY_SSE41(const uint8_t* bgr, uint8_t* y, int width) {
+ const int max_width = width & ~31;
+ int i;
+ for (i = 0; i < max_width; bgr += 3 * 16 * 2) {
+ __m128i bgr_plane[6];
+ int j;
+
+ RGB24PackedToPlanar_SSE41(bgr, bgr_plane);
+
+ for (j = 0; j < 2; ++j, i += 16) {
+ const __m128i zero = _mm_setzero_si128();
+ __m128i r, g, b, Y0, Y1;
+
+ // Convert to 16-bit Y.
+ b = _mm_unpacklo_epi8(bgr_plane[0 + j], zero);
+ g = _mm_unpacklo_epi8(bgr_plane[2 + j], zero);
+ r = _mm_unpacklo_epi8(bgr_plane[4 + j], zero);
+ ConvertRGBToY_SSE41(&r, &g, &b, &Y0);
+
+ // Convert to 16-bit Y.
+ b = _mm_unpackhi_epi8(bgr_plane[0 + j], zero);
+ g = _mm_unpackhi_epi8(bgr_plane[2 + j], zero);
+ r = _mm_unpackhi_epi8(bgr_plane[4 + j], zero);
+ ConvertRGBToY_SSE41(&r, &g, &b, &Y1);
+
+ // Cast to 8-bit and store.
+ STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
+ }
+ }
+ for (; i < width; ++i, bgr += 3) { // left-over
+ y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF);
+ }
+}
+
+static void ConvertARGBToY_SSE41(const uint32_t* argb, uint8_t* y, int width) {
+ const int max_width = width & ~15;
+ int i;
+ for (i = 0; i < max_width; i += 16) {
+ __m128i Y0, Y1, rgb[6];
+ RGB32PackedToPlanar_SSE41(&argb[i], rgb);
+ ConvertRGBToY_SSE41(&rgb[0], &rgb[2], &rgb[4], &Y0);
+ ConvertRGBToY_SSE41(&rgb[1], &rgb[3], &rgb[5], &Y1);
+ STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
+ }
+ for (; i < width; ++i) { // left-over
+ const uint32_t p = argb[i];
+ y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff,
+ YUV_HALF);
+ }
+}
+
+// Horizontal add (doubled) of two 16b values, result is 16b.
+// in: A | B | C | D | ... -> out: 2*(A+B) | 2*(C+D) | ...
+static void HorizontalAddPack_SSE41(const __m128i* const A,
+ const __m128i* const B,
+ __m128i* const out) {
+ const __m128i k2 = _mm_set1_epi16(2);
+ const __m128i C = _mm_madd_epi16(*A, k2);
+ const __m128i D = _mm_madd_epi16(*B, k2);
+ *out = _mm_packs_epi32(C, D);
+}
+
+static void ConvertARGBToUV_SSE41(const uint32_t* argb,
+ uint8_t* u, uint8_t* v,
+ int src_width, int do_store) {
+ const int max_width = src_width & ~31;
+ int i;
+ for (i = 0; i < max_width; i += 32, u += 16, v += 16) {
+ __m128i rgb[6], U0, V0, U1, V1;
+ RGB32PackedToPlanar_SSE41(&argb[i], rgb);
+ HorizontalAddPack_SSE41(&rgb[0], &rgb[1], &rgb[0]);
+ HorizontalAddPack_SSE41(&rgb[2], &rgb[3], &rgb[2]);
+ HorizontalAddPack_SSE41(&rgb[4], &rgb[5], &rgb[4]);
+ ConvertRGBToUV_SSE41(&rgb[0], &rgb[2], &rgb[4], &U0, &V0);
+
+ RGB32PackedToPlanar_SSE41(&argb[i + 16], rgb);
+ HorizontalAddPack_SSE41(&rgb[0], &rgb[1], &rgb[0]);
+ HorizontalAddPack_SSE41(&rgb[2], &rgb[3], &rgb[2]);
+ HorizontalAddPack_SSE41(&rgb[4], &rgb[5], &rgb[4]);
+ ConvertRGBToUV_SSE41(&rgb[0], &rgb[2], &rgb[4], &U1, &V1);
+
+ U0 = _mm_packus_epi16(U0, U1);
+ V0 = _mm_packus_epi16(V0, V1);
+ if (!do_store) {
+ const __m128i prev_u = LOAD_16(u);
+ const __m128i prev_v = LOAD_16(v);
+ U0 = _mm_avg_epu8(U0, prev_u);
+ V0 = _mm_avg_epu8(V0, prev_v);
+ }
+ STORE_16(U0, u);
+ STORE_16(V0, v);
+ }
+ if (i < src_width) { // left-over
+ WebPConvertARGBToUV_C(argb + i, u, v, src_width - i, do_store);
+ }
+}
+
+// Convert 16 packed ARGB 16b-values to r[], g[], b[]
+static WEBP_INLINE void RGBA32PackedToPlanar_16b_SSE41(
+ const uint16_t* const rgbx,
+ __m128i* const r, __m128i* const g, __m128i* const b) {
+ const __m128i in0 = LOAD_16(rgbx + 0); // r0 | g0 | b0 |x| r1 | g1 | b1 |x
+ const __m128i in1 = LOAD_16(rgbx + 8); // r2 | g2 | b2 |x| r3 | g3 | b3 |x
+ const __m128i in2 = LOAD_16(rgbx + 16); // r4 | ...
+ const __m128i in3 = LOAD_16(rgbx + 24); // r6 | ...
+ // aarrggbb as 16-bit.
+ const __m128i shuff0 =
+ _mm_set_epi8(-1, -1, -1, -1, 13, 12, 5, 4, 11, 10, 3, 2, 9, 8, 1, 0);
+ const __m128i shuff1 =
+ _mm_set_epi8(13, 12, 5, 4, -1, -1, -1, -1, 11, 10, 3, 2, 9, 8, 1, 0);
+ const __m128i A0 = _mm_shuffle_epi8(in0, shuff0);
+ const __m128i A1 = _mm_shuffle_epi8(in1, shuff1);
+ const __m128i A2 = _mm_shuffle_epi8(in2, shuff0);
+ const __m128i A3 = _mm_shuffle_epi8(in3, shuff1);
+ // R0R1G0G1
+ // B0B1****
+ // R2R3G2G3
+ // B2B3****
+ // (OR is used to free port 5 for the unpack)
+ const __m128i B0 = _mm_unpacklo_epi32(A0, A1);
+ const __m128i B1 = _mm_or_si128(A0, A1);
+ const __m128i B2 = _mm_unpacklo_epi32(A2, A3);
+ const __m128i B3 = _mm_or_si128(A2, A3);
+ // Gather the channels.
+ *r = _mm_unpacklo_epi64(B0, B2);
+ *g = _mm_unpackhi_epi64(B0, B2);
+ *b = _mm_unpackhi_epi64(B1, B3);
+}
+
+static void ConvertRGBA32ToUV_SSE41(const uint16_t* rgb,
+ uint8_t* u, uint8_t* v, int width) {
+ const int max_width = width & ~15;
+ const uint16_t* const last_rgb = rgb + 4 * max_width;
+ while (rgb < last_rgb) {
+ __m128i r, g, b, U0, V0, U1, V1;
+ RGBA32PackedToPlanar_16b_SSE41(rgb + 0, &r, &g, &b);
+ ConvertRGBToUV_SSE41(&r, &g, &b, &U0, &V0);
+ RGBA32PackedToPlanar_16b_SSE41(rgb + 32, &r, &g, &b);
+ ConvertRGBToUV_SSE41(&r, &g, &b, &U1, &V1);
+ STORE_16(_mm_packus_epi16(U0, U1), u);
+ STORE_16(_mm_packus_epi16(V0, V1), v);
+ u += 16;
+ v += 16;
+ rgb += 2 * 32;
+ }
+ if (max_width < width) { // left-over
+ WebPConvertRGBA32ToUV_C(rgb, u, v, width - max_width);
+ }
+}
+
+//------------------------------------------------------------------------------
+
+extern void WebPInitConvertARGBToYUVSSE41(void);
+
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVSSE41(void) {
+ WebPConvertARGBToY = ConvertARGBToY_SSE41;
+ WebPConvertARGBToUV = ConvertARGBToUV_SSE41;
+
+ WebPConvertRGB24ToY = ConvertRGB24ToY_SSE41;
+ WebPConvertBGR24ToY = ConvertBGR24ToY_SSE41;
+
+ WebPConvertRGBA32ToUV = ConvertRGBA32ToUV_SSE41;
+}
+
+//------------------------------------------------------------------------------
+
+#else // !WEBP_USE_SSE41
+
+WEBP_DSP_INIT_STUB(WebPInitSamplersSSE41)
+WEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVSSE41)
+
+#endif // WEBP_USE_SSE41
diff --git a/media/libwebp/enc/backward_references_enc.h b/media/libwebp/enc/backward_references_enc.h
index 3a19aa763..539e991cf 100644
--- a/media/libwebp/enc/backward_references_enc.h
+++ b/media/libwebp/enc/backward_references_enc.h
@@ -10,8 +10,8 @@
// Author: Jyrki Alakuijala (jyrki@google.com)
//
-#ifndef WEBP_ENC_BACKWARD_REFERENCES_H_
-#define WEBP_ENC_BACKWARD_REFERENCES_H_
+#ifndef WEBP_ENC_BACKWARD_REFERENCES_ENC_H_
+#define WEBP_ENC_BACKWARD_REFERENCES_ENC_H_
#include <assert.h>
#include <stdlib.h>
@@ -91,11 +91,6 @@ static WEBP_INLINE uint32_t PixOrCopyLength(const PixOrCopy* const p) {
return p->len;
}
-static WEBP_INLINE uint32_t PixOrCopyArgb(const PixOrCopy* const p) {
- assert(p->mode == kLiteral);
- return p->argb_or_distance;
-}
-
static WEBP_INLINE uint32_t PixOrCopyCacheIdx(const PixOrCopy* const p) {
assert(p->mode == kCacheIdx);
assert(p->argb_or_distance < (1U << MAX_COLOR_CACHE_BITS));
@@ -113,6 +108,16 @@ static WEBP_INLINE uint32_t PixOrCopyDistance(const PixOrCopy* const p) {
#define HASH_BITS 18
#define HASH_SIZE (1 << HASH_BITS)
+// If you change this, you need MAX_LENGTH_BITS + WINDOW_SIZE_BITS <= 32 as it
+// is used in VP8LHashChain.
+#define MAX_LENGTH_BITS 12
+#define WINDOW_SIZE_BITS 20
+// We want the max value to be attainable and stored in MAX_LENGTH_BITS bits.
+#define MAX_LENGTH ((1 << MAX_LENGTH_BITS) - 1)
+#if MAX_LENGTH_BITS + WINDOW_SIZE_BITS > 32
+#error "MAX_LENGTH_BITS + WINDOW_SIZE_BITS > 32"
+#endif
+
typedef struct VP8LHashChain VP8LHashChain;
struct VP8LHashChain {
// The 20 most significant bits contain the offset at which the best match
@@ -134,6 +139,24 @@ int VP8LHashChainFill(VP8LHashChain* const p, int quality,
int low_effort);
void VP8LHashChainClear(VP8LHashChain* const p); // release memory
+static WEBP_INLINE int VP8LHashChainFindOffset(const VP8LHashChain* const p,
+ const int base_position) {
+ return p->offset_length_[base_position] >> MAX_LENGTH_BITS;
+}
+
+static WEBP_INLINE int VP8LHashChainFindLength(const VP8LHashChain* const p,
+ const int base_position) {
+ return p->offset_length_[base_position] & ((1U << MAX_LENGTH_BITS) - 1);
+}
+
+static WEBP_INLINE void VP8LHashChainFindCopy(const VP8LHashChain* const p,
+ int base_position,
+ int* const offset_ptr,
+ int* const length_ptr) {
+ *offset_ptr = VP8LHashChainFindOffset(p, base_position);
+ *length_ptr = VP8LHashChainFindLength(p, base_position);
+}
+
// -----------------------------------------------------------------------------
// VP8LBackwardRefs (block-based backward-references storage)
@@ -158,9 +181,6 @@ struct VP8LBackwardRefs {
void VP8LBackwardRefsInit(VP8LBackwardRefs* const refs, int block_size);
// Release memory for backward references.
void VP8LBackwardRefsClear(VP8LBackwardRefs* const refs);
-// Copies the 'src' backward refs to the 'dst'. Returns 0 in case of error.
-int VP8LBackwardRefsCopy(const VP8LBackwardRefs* const src,
- VP8LBackwardRefs* const dst);
// Cursor for iterating on references content
typedef struct {
@@ -189,6 +209,12 @@ static WEBP_INLINE void VP8LRefsCursorNext(VP8LRefsCursor* const c) {
// -----------------------------------------------------------------------------
// Main entry points
+enum VP8LLZ77Type {
+ kLZ77Standard = 1,
+ kLZ77RLE = 2,
+ kLZ77Box = 4
+};
+
// Evaluates best possible backward references for specified quality.
// The input cache_bits to 'VP8LGetBackwardReferences' sets the maximum cache
// bits to use (passing 0 implies disabling the local color cache).
@@ -197,11 +223,12 @@ static WEBP_INLINE void VP8LRefsCursorNext(VP8LRefsCursor* const c) {
// refs[0] or refs[1].
VP8LBackwardRefs* VP8LGetBackwardReferences(
int width, int height, const uint32_t* const argb, int quality,
- int low_effort, int* const cache_bits,
- const VP8LHashChain* const hash_chain, VP8LBackwardRefs refs[2]);
+ int low_effort, int lz77_types_to_try, int* const cache_bits,
+ const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs_tmp1,
+ VP8LBackwardRefs* const refs_tmp2);
#ifdef __cplusplus
}
#endif
-#endif // WEBP_ENC_BACKWARD_REFERENCES_H_
+#endif // WEBP_ENC_BACKWARD_REFERENCES_ENC_H_
diff --git a/media/libwebp/enc/cost_enc.h b/media/libwebp/enc/cost_enc.h
index 99e4b37aa..d731ee2fa 100644
--- a/media/libwebp/enc/cost_enc.h
+++ b/media/libwebp/enc/cost_enc.h
@@ -11,12 +11,12 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_ENC_COST_H_
-#define WEBP_ENC_COST_H_
+#ifndef WEBP_ENC_COST_ENC_H_
+#define WEBP_ENC_COST_ENC_H_
#include <assert.h>
#include <stdlib.h>
-#include "./vp8i_enc.h"
+#include "../enc/vp8i_enc.h"
#ifdef __cplusplus
extern "C" {
@@ -79,4 +79,4 @@ extern const uint16_t VP8FixedCostsI4[NUM_BMODES][NUM_BMODES][NUM_BMODES];
} // extern "C"
#endif
-#endif /* WEBP_ENC_COST_H_ */
+#endif /* WEBP_ENC_COST_ENC_H_ */
diff --git a/media/libwebp/enc/histogram_enc.h b/media/libwebp/enc/histogram_enc.h
index a9d258a16..4fbb73702 100644
--- a/media/libwebp/enc/histogram_enc.h
+++ b/media/libwebp/enc/histogram_enc.h
@@ -11,12 +11,12 @@
//
// Models the histograms of literal and distance codes.
-#ifndef WEBP_ENC_HISTOGRAM_H_
-#define WEBP_ENC_HISTOGRAM_H_
+#ifndef WEBP_ENC_HISTOGRAM_ENC_H_
+#define WEBP_ENC_HISTOGRAM_ENC_H_
#include <string.h>
-#include "./backward_references_enc.h"
+#include "../enc/backward_references_enc.h"
#include "../webp/format_constants.h"
#include "../webp/types.h"
@@ -90,7 +90,9 @@ VP8LHistogram* VP8LAllocateHistogram(int cache_bits);
// Accumulate a token 'v' into a histogram.
void VP8LHistogramAddSinglePixOrCopy(VP8LHistogram* const histo,
- const PixOrCopy* const v);
+ const PixOrCopy* const v,
+ int (*const distance_modifier)(int, int),
+ int distance_modifier_arg0);
static WEBP_INLINE int VP8LHistogramNumCodes(int palette_code_bits) {
return NUM_LITERAL_CODES + NUM_LENGTH_CODES +
@@ -103,14 +105,11 @@ int VP8LGetHistoImageSymbols(int xsize, int ysize,
int quality, int low_effort,
int histogram_bits, int cache_bits,
VP8LHistogramSet* const image_in,
- VP8LHistogramSet* const tmp_histos,
+ VP8LHistogram* const tmp_histo,
uint16_t* const histogram_symbols);
// Returns the entropy for the symbols in the input array.
-// Also sets trivial_symbol to the code value, if the array has only one code
-// value. Otherwise, set it to VP8L_NON_TRIVIAL_SYM.
-double VP8LBitsEntropy(const uint32_t* const array, int n,
- uint32_t* const trivial_symbol);
+double VP8LBitsEntropy(const uint32_t* const array, int n);
// Estimate how many bits the combined entropy of literals and distance
// approximately maps to.
@@ -120,4 +119,4 @@ double VP8LHistogramEstimateBits(const VP8LHistogram* const p);
}
#endif
-#endif // WEBP_ENC_HISTOGRAM_H_
+#endif // WEBP_ENC_HISTOGRAM_ENC_H_
diff --git a/media/libwebp/enc/vp8i_enc.h b/media/libwebp/enc/vp8i_enc.h
index 93c95ecbf..8972d9f10 100644
--- a/media/libwebp/enc/vp8i_enc.h
+++ b/media/libwebp/enc/vp8i_enc.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_ENC_VP8ENCI_H_
-#define WEBP_ENC_VP8ENCI_H_
+#ifndef WEBP_ENC_VP8I_ENC_H_
+#define WEBP_ENC_VP8I_ENC_H_
#include <string.h> // for memcpy()
#include "../dec/common_dec.h"
@@ -30,8 +30,8 @@ extern "C" {
// Various defines and enums
// version numbers
-#define ENC_MAJ_VERSION 0
-#define ENC_MIN_VERSION 6
+#define ENC_MAJ_VERSION 1
+#define ENC_MIN_VERSION 0
#define ENC_REV_VERSION 0
enum { MAX_LF_LEVELS = 64, // Maximum loop filter level
@@ -75,10 +75,10 @@ typedef enum { // Rate-distortion optimization levels
#define U_OFF_ENC (16)
#define V_OFF_ENC (16 + 8)
-extern const int VP8Scan[16]; // in quant.c
-extern const int VP8UVModeOffsets[4]; // in analyze.c
-extern const int VP8I16ModeOffsets[4];
-extern const int VP8I4ModeOffsets[NUM_BMODES];
+extern const uint16_t VP8Scan[16];
+extern const uint16_t VP8UVModeOffsets[4];
+extern const uint16_t VP8I16ModeOffsets[4];
+extern const uint16_t VP8I4ModeOffsets[NUM_BMODES];
// Layout of prediction blocks
// intra 16x16
@@ -120,6 +120,9 @@ static WEBP_INLINE int QUANTDIV(uint32_t n, uint32_t iQ, uint32_t B) {
// Uncomment the following to remove token-buffer code:
// #define DISABLE_TOKEN_BUFFER
+// quality below which error-diffusion is enabled
+#define ERROR_DIFFUSION_QUALITY 98
+
//------------------------------------------------------------------------------
// Headers
@@ -201,6 +204,8 @@ typedef struct {
score_t i4_penalty_; // penalty for using Intra4
} VP8SegmentInfo;
+typedef int8_t DError[2 /* u/v */][2 /* top or left */];
+
// Handy transient struct to accumulate score and info during RD-optimization
// and mode evaluation.
typedef struct {
@@ -213,6 +218,7 @@ typedef struct {
uint8_t modes_i4[16]; // mode numbers for intra4 predictions
int mode_uv; // mode number of chroma prediction
uint32_t nz; // non-zero blocks
+ int8_t derr[2][3]; // DC diffusion errors for U/V for blocks #1/2/3
} VP8ModeScore;
// Iterator structure to iterate through macroblocks, pointing to the
@@ -242,6 +248,9 @@ typedef struct {
int count_down0_; // starting counter value (for progress)
int percent0_; // saved initial progress percent
+ DError left_derr_; // left error diffusion (u/v)
+ DError *top_derr_; // top diffusion error - NULL if disabled
+
uint8_t* y_left_; // left luma samples (addressable from index -1 to 15).
uint8_t* u_left_; // left u samples (addressable from index -1 to 7)
uint8_t* v_left_; // left v samples (addressable from index -1 to 7)
@@ -330,9 +339,6 @@ int VP8RecordCoeffTokens(int ctx, const struct VP8Residual* const res,
// Estimate the final coded size given a set of 'probas'.
size_t VP8EstimateTokenSize(VP8TBuffer* const b, const uint8_t* const probas);
-// unused for now
-void VP8TokenToStats(const VP8TBuffer* const b, proba_t* const stats);
-
#endif // !DISABLE_TOKEN_BUFFER
//------------------------------------------------------------------------------
@@ -404,6 +410,7 @@ struct VP8Encoder {
uint8_t* uv_top_; // top u/v samples.
// U and V are packed into 16 bytes (8 U + 8 V)
LFStats* lf_stats_; // autofilter stats (if NULL, autofilter is off)
+ DError* top_derr_; // diffusion error (NULL if disabled)
};
//------------------------------------------------------------------------------
@@ -502,19 +509,10 @@ int WebPPictureAllocYUVA(WebPPicture* const picture, int width, int height);
// compressibility (no guarantee, though). Assumes that pic->use_argb is true.
void WebPCleanupTransparentAreaLossless(WebPPicture* const pic);
- // in near_lossless.c
-// Near lossless preprocessing in RGB color-space.
-int VP8ApplyNearLossless(int xsize, int ysize, uint32_t* argb, int quality);
-// Near lossless adjustment for predictors.
-void VP8ApplyNearLosslessPredict(int xsize, int ysize, int pred_bits,
- const uint32_t* argb_orig,
- uint32_t* argb, uint32_t* argb_scratch,
- const uint32_t* const transform_data,
- int quality, int subtract_green);
//------------------------------------------------------------------------------
#ifdef __cplusplus
} // extern "C"
#endif
-#endif /* WEBP_ENC_VP8ENCI_H_ */
+#endif /* WEBP_ENC_VP8I_ENC_H_ */
diff --git a/media/libwebp/enc/vp8li_enc.h b/media/libwebp/enc/vp8li_enc.h
index 8c5fbcbb2..5dcba9ef0 100644
--- a/media/libwebp/enc/vp8li_enc.h
+++ b/media/libwebp/enc/vp8li_enc.h
@@ -11,11 +11,20 @@
//
// Author: Vikas Arora (vikaas.arora@gmail.com)
-#ifndef WEBP_ENC_VP8LI_H_
-#define WEBP_ENC_VP8LI_H_
+#ifndef WEBP_ENC_VP8LI_ENC_H_
+#define WEBP_ENC_VP8LI_ENC_H_
-#include "./backward_references_enc.h"
-#include "./histogram_enc.h"
+#ifdef HAVE_CONFIG_H
+#include "../webp/config.h"
+#endif
+// Either WEBP_NEAR_LOSSLESS is defined as 0 in config.h when compiling to
+// disable near-lossless, or it is enabled by default.
+#ifndef WEBP_NEAR_LOSSLESS
+#define WEBP_NEAR_LOSSLESS 1
+#endif
+
+#include "../enc/backward_references_enc.h"
+#include "../enc/histogram_enc.h"
#include "../utils/bit_writer_utils.h"
#include "../webp/encode.h"
#include "../webp/format_constants.h"
@@ -27,16 +36,24 @@ extern "C" {
// maximum value of transform_bits_ in VP8LEncoder.
#define MAX_TRANSFORM_BITS 6
+typedef enum {
+ kEncoderNone = 0,
+ kEncoderARGB,
+ kEncoderNearLossless,
+ kEncoderPalette
+} VP8LEncoderARGBContent;
+
typedef struct {
const WebPConfig* config_; // user configuration and parameters
const WebPPicture* pic_; // input picture.
- uint32_t* argb_; // Transformed argb image data.
- uint32_t* argb_scratch_; // Scratch memory for argb rows
- // (used for prediction).
- uint32_t* transform_data_; // Scratch memory for transform data.
- uint32_t* transform_mem_; // Currently allocated memory.
- size_t transform_mem_size_; // Currently allocated memory size.
+ uint32_t* argb_; // Transformed argb image data.
+ VP8LEncoderARGBContent argb_content_; // Content type of the argb buffer.
+ uint32_t* argb_scratch_; // Scratch memory for argb rows
+ // (used for prediction).
+ uint32_t* transform_data_; // Scratch memory for transform data.
+ uint32_t* transform_mem_; // Currently allocated memory.
+ size_t transform_mem_size_; // Currently allocated memory size.
int current_width_; // Corresponds to packed image width.
@@ -54,8 +71,7 @@ typedef struct {
uint32_t palette_[MAX_PALETTE_SIZE];
// Some 'scratch' (potentially large) objects.
- struct VP8LBackwardRefs refs_[2]; // Backward Refs array corresponding to
- // LZ77 & RLE coding.
+ struct VP8LBackwardRefs refs_[3]; // Backward Refs array for temporaries.
VP8LHashChain hash_chain_; // HashChain data for constructing
// backward references.
} VP8LEncoder;
@@ -75,6 +91,13 @@ WebPEncodingError VP8LEncodeStream(const WebPConfig* const config,
const WebPPicture* const picture,
VP8LBitWriter* const bw, int use_cache);
+#if (WEBP_NEAR_LOSSLESS == 1)
+// in near_lossless.c
+// Near lossless preprocessing in RGB color-space.
+int VP8ApplyNearLossless(const WebPPicture* const picture, int quality,
+ uint32_t* const argb_dst);
+#endif
+
//------------------------------------------------------------------------------
// Image transforms in predictor.c.
@@ -92,4 +115,4 @@ void VP8LColorSpaceTransform(int width, int height, int bits, int quality,
} // extern "C"
#endif
-#endif /* WEBP_ENC_VP8LI_H_ */
+#endif /* WEBP_ENC_VP8LI_ENC_H_ */
diff --git a/media/libwebp/utils/bit_reader_inl_utils.h b/media/libwebp/utils/bit_reader_inl_utils.h
index fd7fb0446..2bb9a1918 100644
--- a/media/libwebp/utils/bit_reader_inl_utils.h
+++ b/media/libwebp/utils/bit_reader_inl_utils.h
@@ -13,8 +13,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_UTILS_BIT_READER_INL_H_
-#define WEBP_UTILS_BIT_READER_INL_H_
+#ifndef WEBP_UTILS_BIT_READER_INL_UTILS_H_
+#define WEBP_UTILS_BIT_READER_INL_UTILS_H_
#ifdef HAVE_CONFIG_H
#include "../webp/config.h"
@@ -23,9 +23,9 @@
#include <string.h> // for memcpy
#include "../dsp/dsp.h"
-#include "./bit_reader_utils.h"
-#include "./endian_inl_utils.h"
-#include "./utils.h"
+#include "../utils/bit_reader_utils.h"
+#include "../utils/endian_inl_utils.h"
+#include "../utils/utils.h"
#ifdef __cplusplus
extern "C" {
@@ -187,4 +187,4 @@ static WEBP_INLINE int VP8GetBitAlt(VP8BitReader* const br, int prob) {
} // extern "C"
#endif
-#endif // WEBP_UTILS_BIT_READER_INL_H_
+#endif // WEBP_UTILS_BIT_READER_INL_UTILS_H_
diff --git a/media/libwebp/utils/bit_reader_utils.c b/media/libwebp/utils/bit_reader_utils.c
index c3157e8fe..a7cb193bd 100644
--- a/media/libwebp/utils/bit_reader_utils.c
+++ b/media/libwebp/utils/bit_reader_utils.c
@@ -15,7 +15,7 @@
#include "../webp/config.h"
#endif
-#include "./bit_reader_inl_utils.h"
+#include "../utils/bit_reader_inl_utils.h"
#include "../utils/utils.h"
//------------------------------------------------------------------------------
diff --git a/media/libwebp/utils/bit_reader_utils.h b/media/libwebp/utils/bit_reader_utils.h
index ec3426cd1..53e9db6ad 100644
--- a/media/libwebp/utils/bit_reader_utils.h
+++ b/media/libwebp/utils/bit_reader_utils.h
@@ -12,8 +12,8 @@
// Author: Skal (pascal.massimino@gmail.com)
// Vikas Arora (vikaas.arora@gmail.com)
-#ifndef WEBP_UTILS_BIT_READER_H_
-#define WEBP_UTILS_BIT_READER_H_
+#ifndef WEBP_UTILS_BIT_READER_UTILS_H_
+#define WEBP_UTILS_BIT_READER_UTILS_H_
#include <assert.h>
#ifdef _MSC_VER
@@ -155,9 +155,10 @@ static WEBP_INLINE int VP8LIsEndOfStream(const VP8LBitReader* const br) {
// For jumping over a number of bits in the bit stream when accessed with
// VP8LPrefetchBits and VP8LFillBitWindow.
+// This function does *not* set br->eos_, since it's speed-critical.
+// Use with extreme care!
static WEBP_INLINE void VP8LSetBitPos(VP8LBitReader* const br, int val) {
br->bit_pos_ = val;
- br->eos_ = VP8LIsEndOfStream(br);
}
// Advances the read buffer by 4 bytes to make room for reading next 32 bits.
@@ -171,4 +172,4 @@ static WEBP_INLINE void VP8LFillBitWindow(VP8LBitReader* const br) {
} // extern "C"
#endif
-#endif /* WEBP_UTILS_BIT_READER_H_ */
+#endif /* WEBP_UTILS_BIT_READER_UTILS_H_ */
diff --git a/media/libwebp/utils/bit_writer_utils.h b/media/libwebp/utils/bit_writer_utils.h
index 9c02bbc06..9e9c2b729 100644
--- a/media/libwebp/utils/bit_writer_utils.h
+++ b/media/libwebp/utils/bit_writer_utils.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_UTILS_BIT_WRITER_H_
-#define WEBP_UTILS_BIT_WRITER_H_
+#ifndef WEBP_UTILS_BIT_WRITER_UTILS_H_
+#define WEBP_UTILS_BIT_WRITER_UTILS_H_
#include "../webp/types.h"
@@ -100,16 +100,24 @@ typedef struct {
int error_;
} VP8LBitWriter;
-static WEBP_INLINE size_t VP8LBitWriterNumBytes(VP8LBitWriter* const bw) {
+static WEBP_INLINE size_t VP8LBitWriterNumBytes(const VP8LBitWriter* const bw) {
return (bw->cur_ - bw->buf_) + ((bw->used_ + 7) >> 3);
}
// Returns false in case of memory allocation error.
int VP8LBitWriterInit(VP8LBitWriter* const bw, size_t expected_size);
+// Returns false in case of memory allocation error.
+int VP8LBitWriterClone(const VP8LBitWriter* const src,
+ VP8LBitWriter* const dst);
// Finalize the bitstream coding. Returns a pointer to the internal buffer.
uint8_t* VP8LBitWriterFinish(VP8LBitWriter* const bw);
// Release any pending memory and zeroes the object.
void VP8LBitWriterWipeOut(VP8LBitWriter* const bw);
+// Resets the cursor of the BitWriter bw to when it was like in bw_init.
+void VP8LBitWriterReset(const VP8LBitWriter* const bw_init,
+ VP8LBitWriter* const bw);
+// Swaps the memory held by two BitWriters.
+void VP8LBitWriterSwap(VP8LBitWriter* const src, VP8LBitWriter* const dst);
// Internal function for VP8LPutBits flushing 32 bits from the written state.
void VP8LPutBitsFlushBits(VP8LBitWriter* const bw);
@@ -143,4 +151,4 @@ static WEBP_INLINE void VP8LPutBits(VP8LBitWriter* const bw,
} // extern "C"
#endif
-#endif /* WEBP_UTILS_BIT_WRITER_H_ */
+#endif /* WEBP_UTILS_BIT_WRITER_UTILS_H_ */
diff --git a/media/libwebp/utils/color_cache_utils.c b/media/libwebp/utils/color_cache_utils.c
index 0172590c4..c5eb0d8a9 100644
--- a/media/libwebp/utils/color_cache_utils.c
+++ b/media/libwebp/utils/color_cache_utils.c
@@ -14,8 +14,8 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
-#include "./color_cache_utils.h"
-#include "./utils.h"
+#include "../utils/color_cache_utils.h"
+#include "../utils/utils.h"
//------------------------------------------------------------------------------
// VP8LColorCache.
diff --git a/media/libwebp/utils/color_cache_utils.h b/media/libwebp/utils/color_cache_utils.h
index c373e6b36..c46131277 100644
--- a/media/libwebp/utils/color_cache_utils.h
+++ b/media/libwebp/utils/color_cache_utils.h
@@ -12,8 +12,10 @@
// Authors: Jyrki Alakuijala (jyrki@google.com)
// Urvang Joshi (urvang@google.com)
-#ifndef WEBP_UTILS_COLOR_CACHE_H_
-#define WEBP_UTILS_COLOR_CACHE_H_
+#ifndef WEBP_UTILS_COLOR_CACHE_UTILS_H_
+#define WEBP_UTILS_COLOR_CACHE_UTILS_H_
+
+#include <assert.h>
#include "../webp/types.h"
@@ -30,7 +32,7 @@ typedef struct {
static const uint64_t kHashMul = 0x1e35a7bdull;
-static WEBP_INLINE int HashPix(uint32_t argb, int shift) {
+static WEBP_INLINE int VP8LHashPix(uint32_t argb, int shift) {
return (int)(((argb * kHashMul) & 0xffffffffu) >> shift);
}
@@ -48,19 +50,19 @@ static WEBP_INLINE void VP8LColorCacheSet(const VP8LColorCache* const cc,
static WEBP_INLINE void VP8LColorCacheInsert(const VP8LColorCache* const cc,
uint32_t argb) {
- const int key = HashPix(argb, cc->hash_shift_);
+ const int key = VP8LHashPix(argb, cc->hash_shift_);
cc->colors_[key] = argb;
}
static WEBP_INLINE int VP8LColorCacheGetIndex(const VP8LColorCache* const cc,
uint32_t argb) {
- return HashPix(argb, cc->hash_shift_);
+ return VP8LHashPix(argb, cc->hash_shift_);
}
// Return the key if cc contains argb, and -1 otherwise.
static WEBP_INLINE int VP8LColorCacheContains(const VP8LColorCache* const cc,
uint32_t argb) {
- const int key = HashPix(argb, cc->hash_shift_);
+ const int key = VP8LHashPix(argb, cc->hash_shift_);
return (cc->colors_[key] == argb) ? key : -1;
}
@@ -82,4 +84,4 @@ void VP8LColorCacheClear(VP8LColorCache* const color_cache);
}
#endif
-#endif // WEBP_UTILS_COLOR_CACHE_H_
+#endif // WEBP_UTILS_COLOR_CACHE_UTILS_H_
diff --git a/media/libwebp/utils/endian_inl_utils.h b/media/libwebp/utils/endian_inl_utils.h
index e11260ff7..1c01450b9 100644
--- a/media/libwebp/utils/endian_inl_utils.h
+++ b/media/libwebp/utils/endian_inl_utils.h
@@ -9,8 +9,8 @@
//
// Endian related functions.
-#ifndef WEBP_UTILS_ENDIAN_INL_H_
-#define WEBP_UTILS_ENDIAN_INL_H_
+#ifndef WEBP_UTILS_ENDIAN_INL_UTILS_H_
+#define WEBP_UTILS_ENDIAN_INL_UTILS_H_
#ifdef HAVE_CONFIG_H
#include "../webp/config.h"
@@ -19,13 +19,6 @@
#include "../dsp/dsp.h"
#include "../webp/types.h"
-// some endian fix (e.g.: mips-gcc doesn't define __BIG_ENDIAN__)
-#if !defined(WORDS_BIGENDIAN) && \
- (defined(__BIG_ENDIAN__) || defined(_M_PPC) || \
- (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)))
-#define WORDS_BIGENDIAN
-#endif
-
#if defined(WORDS_BIGENDIAN)
#define HToLE32 BSwap32
#define HToLE16 BSwap16
@@ -97,4 +90,4 @@ static WEBP_INLINE uint64_t BSwap64(uint64_t x) {
#endif // HAVE_BUILTIN_BSWAP64
}
-#endif // WEBP_UTILS_ENDIAN_INL_H_
+#endif // WEBP_UTILS_ENDIAN_INL_UTILS_H_
diff --git a/media/libwebp/utils/filters_utils.c b/media/libwebp/utils/filters_utils.c
index 49c1d18a2..b9c99b130 100644
--- a/media/libwebp/utils/filters_utils.c
+++ b/media/libwebp/utils/filters_utils.c
@@ -11,7 +11,7 @@
//
// Author: Urvang (urvang@google.com)
-#include "./filters_utils.h"
+#include "../utils/filters_utils.h"
#include <stdlib.h>
#include <string.h>
diff --git a/media/libwebp/utils/filters_utils.h b/media/libwebp/utils/filters_utils.h
index 088b132fc..9466030e5 100644
--- a/media/libwebp/utils/filters_utils.h
+++ b/media/libwebp/utils/filters_utils.h
@@ -11,8 +11,8 @@
//
// Author: Urvang (urvang@google.com)
-#ifndef WEBP_UTILS_FILTERS_H_
-#define WEBP_UTILS_FILTERS_H_
+#ifndef WEBP_UTILS_FILTERS_UTILS_H_
+#define WEBP_UTILS_FILTERS_UTILS_H_
#include "../webp/types.h"
#include "../dsp/dsp.h"
@@ -29,4 +29,4 @@ WEBP_FILTER_TYPE WebPEstimateBestFilter(const uint8_t* data,
} // extern "C"
#endif
-#endif /* WEBP_UTILS_FILTERS_H_ */
+#endif /* WEBP_UTILS_FILTERS_UTILS_H_ */
diff --git a/media/libwebp/utils/huffman_encode_utils.h b/media/libwebp/utils/huffman_encode_utils.h
index a15716514..236f266e4 100644
--- a/media/libwebp/utils/huffman_encode_utils.h
+++ b/media/libwebp/utils/huffman_encode_utils.h
@@ -11,8 +11,8 @@
//
// Entropy encoding (Huffman) for webp lossless
-#ifndef WEBP_UTILS_HUFFMAN_ENCODE_H_
-#define WEBP_UTILS_HUFFMAN_ENCODE_H_
+#ifndef WEBP_UTILS_HUFFMAN_ENCODE_UTILS_H_
+#define WEBP_UTILS_HUFFMAN_ENCODE_UTILS_H_
#include "../webp/types.h"
@@ -57,4 +57,4 @@ void VP8LCreateHuffmanTree(uint32_t* const histogram, int tree_depth_limit,
}
#endif
-#endif // WEBP_UTILS_HUFFMAN_ENCODE_H_
+#endif // WEBP_UTILS_HUFFMAN_ENCODE_UTILS_H_
diff --git a/media/libwebp/utils/huffman_utils.c b/media/libwebp/utils/huffman_utils.c
index 008b5d746..a2b4b3f89 100644
--- a/media/libwebp/utils/huffman_utils.c
+++ b/media/libwebp/utils/huffman_utils.c
@@ -14,8 +14,8 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
-#include "./huffman_utils.h"
-#include "./utils.h"
+#include "../utils/huffman_utils.h"
+#include "../utils/utils.h"
#include "../webp/format_constants.h"
// Huffman data read via DecodeImageStream is represented in two (red and green)
diff --git a/media/libwebp/utils/huffman_utils.h b/media/libwebp/utils/huffman_utils.h
index c6dd6aaa4..7f241aab9 100644
--- a/media/libwebp/utils/huffman_utils.h
+++ b/media/libwebp/utils/huffman_utils.h
@@ -11,8 +11,8 @@
//
// Author: Urvang Joshi (urvang@google.com)
-#ifndef WEBP_UTILS_HUFFMAN_H_
-#define WEBP_UTILS_HUFFMAN_H_
+#ifndef WEBP_UTILS_HUFFMAN_UTILS_H_
+#define WEBP_UTILS_HUFFMAN_UTILS_H_
#include <assert.h>
#include "../webp/format_constants.h"
@@ -85,4 +85,4 @@ int VP8LBuildHuffmanTable(HuffmanCode* const root_table, int root_bits,
} // extern "C"
#endif
-#endif // WEBP_UTILS_HUFFMAN_H_
+#endif // WEBP_UTILS_HUFFMAN_UTILS_H_
diff --git a/media/libwebp/utils/quant_levels_dec_utils.c b/media/libwebp/utils/quant_levels_dec_utils.c
index d4d23d314..5c498382d 100644
--- a/media/libwebp/utils/quant_levels_dec_utils.c
+++ b/media/libwebp/utils/quant_levels_dec_utils.c
@@ -14,11 +14,11 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#include "./quant_levels_dec_utils.h"
+#include "../utils/quant_levels_dec_utils.h"
#include <string.h> // for memset
-#include "./utils.h"
+#include "../utils/utils.h"
// #define USE_DITHERING // uncomment to enable ordered dithering (not vital)
@@ -71,10 +71,11 @@ typedef struct {
//------------------------------------------------------------------------------
-#define CLIP_MASK (int)(~0U << (8 + DFIX))
+#define CLIP_8b_MASK (int)(~0U << (8 + DFIX))
static WEBP_INLINE uint8_t clip_8b(int v) {
- return (!(v & CLIP_MASK)) ? (uint8_t)(v >> DFIX) : (v < 0) ? 0u : 255u;
+ return (!(v & CLIP_8b_MASK)) ? (uint8_t)(v >> DFIX) : (v < 0) ? 0u : 255u;
}
+#undef CLIP_8b_MASK
// vertical accumulation
static void VFilter(SmoothParams* const p) {
diff --git a/media/libwebp/utils/quant_levels_dec_utils.h b/media/libwebp/utils/quant_levels_dec_utils.h
index 59a13495d..4a59e06fe 100644
--- a/media/libwebp/utils/quant_levels_dec_utils.h
+++ b/media/libwebp/utils/quant_levels_dec_utils.h
@@ -11,8 +11,8 @@
//
// Author: Vikas Arora (vikasa@google.com)
-#ifndef WEBP_UTILS_QUANT_LEVELS_DEC_H_
-#define WEBP_UTILS_QUANT_LEVELS_DEC_H_
+#ifndef WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_
+#define WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_
#include "../webp/types.h"
@@ -32,4 +32,4 @@ int WebPDequantizeLevels(uint8_t* const data, int width, int height, int stride,
} // extern "C"
#endif
-#endif /* WEBP_UTILS_QUANT_LEVELS_DEC_H_ */
+#endif /* WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ */
diff --git a/media/libwebp/utils/quant_levels_utils.c b/media/libwebp/utils/quant_levels_utils.c
index 73174e8ab..275781927 100644
--- a/media/libwebp/utils/quant_levels_utils.c
+++ b/media/libwebp/utils/quant_levels_utils.c
@@ -14,7 +14,7 @@
#include <assert.h>
-#include "./quant_levels_utils.h"
+#include "../utils/quant_levels_utils.h"
#define NUM_SYMBOLS 256
diff --git a/media/libwebp/utils/quant_levels_utils.h b/media/libwebp/utils/quant_levels_utils.h
index 1cb5a32ca..837bd2730 100644
--- a/media/libwebp/utils/quant_levels_utils.h
+++ b/media/libwebp/utils/quant_levels_utils.h
@@ -11,8 +11,8 @@
//
// Author: Vikas Arora (vikasa@google.com)
-#ifndef WEBP_UTILS_QUANT_LEVELS_H_
-#define WEBP_UTILS_QUANT_LEVELS_H_
+#ifndef WEBP_UTILS_QUANT_LEVELS_UTILS_H_
+#define WEBP_UTILS_QUANT_LEVELS_UTILS_H_
#include <stdlib.h>
@@ -33,4 +33,4 @@ int QuantizeLevels(uint8_t* const data, int width, int height, int num_levels,
} // extern "C"
#endif
-#endif /* WEBP_UTILS_QUANT_LEVELS_H_ */
+#endif /* WEBP_UTILS_QUANT_LEVELS_UTILS_H_ */
diff --git a/media/libwebp/utils/random_utils.c b/media/libwebp/utils/random_utils.c
index 9f1e4154a..f2dd45a03 100644
--- a/media/libwebp/utils/random_utils.c
+++ b/media/libwebp/utils/random_utils.c
@@ -12,7 +12,7 @@
// Author: Skal (pascal.massimino@gmail.com)
#include <string.h>
-#include "./random_utils.h"
+#include "../utils/random_utils.h"
//------------------------------------------------------------------------------
diff --git a/media/libwebp/utils/random_utils.h b/media/libwebp/utils/random_utils.h
index c392a615c..7b58de8c9 100644
--- a/media/libwebp/utils/random_utils.h
+++ b/media/libwebp/utils/random_utils.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_UTILS_RANDOM_H_
-#define WEBP_UTILS_RANDOM_H_
+#ifndef WEBP_UTILS_RANDOM_UTILS_H_
+#define WEBP_UTILS_RANDOM_UTILS_H_
#include <assert.h>
#include "../webp/types.h"
@@ -60,4 +60,4 @@ static WEBP_INLINE int VP8RandomBits(VP8Random* const rg, int num_bits) {
} // extern "C"
#endif
-#endif /* WEBP_UTILS_RANDOM_H_ */
+#endif /* WEBP_UTILS_RANDOM_UTILS_H_ */
diff --git a/media/libwebp/utils/rescaler_utils.c b/media/libwebp/utils/rescaler_utils.c
index 0d1f80da2..6e384f507 100644
--- a/media/libwebp/utils/rescaler_utils.c
+++ b/media/libwebp/utils/rescaler_utils.c
@@ -15,7 +15,7 @@
#include <stdlib.h>
#include <string.h>
#include "../dsp/dsp.h"
-#include "./rescaler_utils.h"
+#include "../utils/rescaler_utils.h"
//------------------------------------------------------------------------------
@@ -85,11 +85,13 @@ int WebPRescalerGetScaledDimensions(int src_width, int src_height,
// if width is unspecified, scale original proportionally to height ratio.
if (width == 0) {
- width = (src_width * height + src_height / 2) / src_height;
+ width =
+ (int)(((uint64_t)src_width * height + src_height / 2) / src_height);
}
// if height is unspecified, scale original proportionally to width ratio.
if (height == 0) {
- height = (src_height * width + src_width / 2) / src_width;
+ height =
+ (int)(((uint64_t)src_height * width + src_width / 2) / src_width);
}
// Check if the overall dimensions still make sense.
if (width <= 0 || height <= 0) {
diff --git a/media/libwebp/utils/rescaler_utils.h b/media/libwebp/utils/rescaler_utils.h
index 98b01a76d..1c7b31d7f 100644
--- a/media/libwebp/utils/rescaler_utils.h
+++ b/media/libwebp/utils/rescaler_utils.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_UTILS_RESCALER_H_
-#define WEBP_UTILS_RESCALER_H_
+#ifndef WEBP_UTILS_RESCALER_UTILS_H_
+#define WEBP_UTILS_RESCALER_UTILS_H_
#ifdef __cplusplus
extern "C" {
@@ -98,4 +98,4 @@ int WebPRescalerHasPendingOutput(const WebPRescaler* const rescaler) {
} // extern "C"
#endif
-#endif /* WEBP_UTILS_RESCALER_H_ */
+#endif /* WEBP_UTILS_RESCALER_UTILS_H_ */
diff --git a/media/libwebp/utils/thread_utils.c b/media/libwebp/utils/thread_utils.c
index 1729060c7..e87ffbeac 100644
--- a/media/libwebp/utils/thread_utils.c
+++ b/media/libwebp/utils/thread_utils.c
@@ -13,8 +13,8 @@
#include <assert.h>
#include <string.h> // for memset()
-#include "./thread_utils.h"
-#include "./utils.h"
+#include "../utils/thread_utils.h"
+#include "../utils/utils.h"
#ifdef WEBP_USE_THREAD
@@ -50,11 +50,11 @@ typedef struct {
#endif // _WIN32
-struct WebPWorkerImpl {
+typedef struct {
pthread_mutex_t mutex_;
pthread_cond_t condition_;
pthread_t thread_;
-};
+} WebPWorkerImpl;
#if defined(_WIN32)
@@ -201,25 +201,24 @@ static int pthread_cond_wait(pthread_cond_t* const condition,
//------------------------------------------------------------------------------
-static void Execute(WebPWorker* const worker); // Forward declaration.
-
static THREADFN ThreadLoop(void* ptr) {
WebPWorker* const worker = (WebPWorker*)ptr;
+ WebPWorkerImpl* const impl = (WebPWorkerImpl*)worker->impl_;
int done = 0;
while (!done) {
- pthread_mutex_lock(&worker->impl_->mutex_);
+ pthread_mutex_lock(&impl->mutex_);
while (worker->status_ == OK) { // wait in idling mode
- pthread_cond_wait(&worker->impl_->condition_, &worker->impl_->mutex_);
+ pthread_cond_wait(&impl->condition_, &impl->mutex_);
}
if (worker->status_ == WORK) {
- Execute(worker);
+ WebPGetWorkerInterface()->Execute(worker);
worker->status_ = OK;
} else if (worker->status_ == NOT_OK) { // finish the worker
done = 1;
}
// signal to the main thread that we're done (for Sync())
- pthread_cond_signal(&worker->impl_->condition_);
- pthread_mutex_unlock(&worker->impl_->mutex_);
+ pthread_cond_signal(&impl->condition_);
+ pthread_mutex_unlock(&impl->mutex_);
}
return THREAD_RETURN(NULL); // Thread is finished
}
@@ -229,21 +228,22 @@ static void ChangeState(WebPWorker* const worker, WebPWorkerStatus new_status) {
// No-op when attempting to change state on a thread that didn't come up.
// Checking status_ without acquiring the lock first would result in a data
// race.
- if (worker->impl_ == NULL) return;
+ WebPWorkerImpl* const impl = (WebPWorkerImpl*)worker->impl_;
+ if (impl == NULL) return;
- pthread_mutex_lock(&worker->impl_->mutex_);
+ pthread_mutex_lock(&impl->mutex_);
if (worker->status_ >= OK) {
// wait for the worker to finish
while (worker->status_ != OK) {
- pthread_cond_wait(&worker->impl_->condition_, &worker->impl_->mutex_);
+ pthread_cond_wait(&impl->condition_, &impl->mutex_);
}
// assign new status and release the working thread if needed
if (new_status != OK) {
worker->status_ = new_status;
- pthread_cond_signal(&worker->impl_->condition_);
+ pthread_cond_signal(&impl->condition_);
}
}
- pthread_mutex_unlock(&worker->impl_->mutex_);
+ pthread_mutex_unlock(&impl->mutex_);
}
#endif // WEBP_USE_THREAD
@@ -268,26 +268,28 @@ static int Reset(WebPWorker* const worker) {
worker->had_error = 0;
if (worker->status_ < OK) {
#ifdef WEBP_USE_THREAD
- worker->impl_ = (WebPWorkerImpl*)WebPSafeCalloc(1, sizeof(*worker->impl_));
+ WebPWorkerImpl* const impl =
+ (WebPWorkerImpl*)WebPSafeCalloc(1, sizeof(WebPWorkerImpl));
+ worker->impl_ = (void*)impl;
if (worker->impl_ == NULL) {
return 0;
}
- if (pthread_mutex_init(&worker->impl_->mutex_, NULL)) {
+ if (pthread_mutex_init(&impl->mutex_, NULL)) {
goto Error;
}
- if (pthread_cond_init(&worker->impl_->condition_, NULL)) {
- pthread_mutex_destroy(&worker->impl_->mutex_);
+ if (pthread_cond_init(&impl->condition_, NULL)) {
+ pthread_mutex_destroy(&impl->mutex_);
goto Error;
}
- pthread_mutex_lock(&worker->impl_->mutex_);
- ok = !pthread_create(&worker->impl_->thread_, NULL, ThreadLoop, worker);
+ pthread_mutex_lock(&impl->mutex_);
+ ok = !pthread_create(&impl->thread_, NULL, ThreadLoop, worker);
if (ok) worker->status_ = OK;
- pthread_mutex_unlock(&worker->impl_->mutex_);
+ pthread_mutex_unlock(&impl->mutex_);
if (!ok) {
- pthread_mutex_destroy(&worker->impl_->mutex_);
- pthread_cond_destroy(&worker->impl_->condition_);
+ pthread_mutex_destroy(&impl->mutex_);
+ pthread_cond_destroy(&impl->condition_);
Error:
- WebPSafeFree(worker->impl_);
+ WebPSafeFree(impl);
worker->impl_ = NULL;
return 0;
}
@@ -318,11 +320,12 @@ static void Launch(WebPWorker* const worker) {
static void End(WebPWorker* const worker) {
#ifdef WEBP_USE_THREAD
if (worker->impl_ != NULL) {
+ WebPWorkerImpl* const impl = (WebPWorkerImpl*)worker->impl_;
ChangeState(worker, NOT_OK);
- pthread_join(worker->impl_->thread_, NULL);
- pthread_mutex_destroy(&worker->impl_->mutex_);
- pthread_cond_destroy(&worker->impl_->condition_);
- WebPSafeFree(worker->impl_);
+ pthread_join(impl->thread_, NULL);
+ pthread_mutex_destroy(&impl->mutex_);
+ pthread_cond_destroy(&impl->condition_);
+ WebPSafeFree(impl);
worker->impl_ = NULL;
}
#else
diff --git a/media/libwebp/utils/thread_utils.h b/media/libwebp/utils/thread_utils.h
index 840831185..0e88c2470 100644
--- a/media/libwebp/utils/thread_utils.h
+++ b/media/libwebp/utils/thread_utils.h
@@ -11,8 +11,8 @@
//
// Author: Skal (pascal.massimino@gmail.com)
-#ifndef WEBP_UTILS_THREAD_H_
-#define WEBP_UTILS_THREAD_H_
+#ifndef WEBP_UTILS_THREAD_UTILS_H_
+#define WEBP_UTILS_THREAD_UTILS_H_
#ifdef HAVE_CONFIG_H
#include "../webp/config.h"
@@ -35,12 +35,9 @@ typedef enum {
// arguments (data1 and data2), and should return false in case of error.
typedef int (*WebPWorkerHook)(void*, void*);
-// Platform-dependent implementation details for the worker.
-typedef struct WebPWorkerImpl WebPWorkerImpl;
-
// Synchronization object used to launch job in the worker thread
typedef struct {
- WebPWorkerImpl* impl_;
+ void* impl_; // platform-dependent implementation worker details
WebPWorkerStatus status_;
WebPWorkerHook hook; // hook to call
void* data1; // first argument passed to 'hook'
@@ -78,11 +75,11 @@ typedef struct {
// decoding takes place. The contents of the interface struct are copied, it
// is safe to free the corresponding memory after this call. This function is
// not thread-safe. Return false in case of invalid pointer or methods.
-WEBP_EXTERN(int) WebPSetWorkerInterface(
+WEBP_EXTERN int WebPSetWorkerInterface(
const WebPWorkerInterface* const winterface);
// Retrieve the currently set thread worker interface.
-WEBP_EXTERN(const WebPWorkerInterface*) WebPGetWorkerInterface(void);
+WEBP_EXTERN const WebPWorkerInterface* WebPGetWorkerInterface(void);
//------------------------------------------------------------------------------
@@ -90,4 +87,4 @@ WEBP_EXTERN(const WebPWorkerInterface*) WebPGetWorkerInterface(void);
} // extern "C"
#endif
-#endif /* WEBP_UTILS_THREAD_H_ */
+#endif /* WEBP_UTILS_THREAD_UTILS_H_ */
diff --git a/media/libwebp/utils/utils.c b/media/libwebp/utils/utils.c
index 504d924b6..9bda6a716 100644
--- a/media/libwebp/utils/utils.c
+++ b/media/libwebp/utils/utils.c
@@ -16,7 +16,8 @@
#include "../webp/decode.h"
#include "../webp/encode.h"
#include "../webp/format_constants.h" // for MAX_PALETTE_SIZE
-#include "./utils.h"
+#include "../utils/color_cache_utils.h"
+#include "../utils/utils.h"
// If PRINT_MEM_INFO is defined, extra info (like total memory used, number of
// alloc/free etc) is printed. For debugging/tuning purpose only (it's slow,
@@ -252,7 +253,6 @@ int WebPGetColorPalette(const WebPPicture* const pic, uint32_t* const palette) {
int num_colors = 0;
uint8_t in_use[COLOR_HASH_SIZE] = { 0 };
uint32_t colors[COLOR_HASH_SIZE];
- static const uint64_t kHashMul = 0x1e35a7bdull;
const uint32_t* argb = pic->argb;
const int width = pic->width;
const int height = pic->height;
@@ -267,7 +267,7 @@ int WebPGetColorPalette(const WebPPicture* const pic, uint32_t* const palette) {
continue;
}
last_pix = argb[x];
- key = ((last_pix * kHashMul) & 0xffffffffu) >> COLOR_HASH_RIGHT_SHIFT;
+ key = VP8LHashPix(last_pix, COLOR_HASH_RIGHT_SHIFT);
while (1) {
if (!in_use[key]) {
colors[key] = last_pix;
diff --git a/media/libwebp/utils/utils.h b/media/libwebp/utils/utils.h
index 3ab459050..27dc7e090 100644
--- a/media/libwebp/utils/utils.h
+++ b/media/libwebp/utils/utils.h
@@ -48,13 +48,13 @@ extern "C" {
// somewhere (like: malloc(num_pixels * sizeof(*something))). That's why this
// safe malloc() borrows the signature from calloc(), pointing at the dangerous
// underlying multiply involved.
-WEBP_EXTERN(void*) WebPSafeMalloc(uint64_t nmemb, size_t size);
+WEBP_EXTERN void* WebPSafeMalloc(uint64_t nmemb, size_t size);
// Note that WebPSafeCalloc() expects the second argument type to be 'size_t'
// in order to favor the "calloc(num_foo, sizeof(foo))" pattern.
-WEBP_EXTERN(void*) WebPSafeCalloc(uint64_t nmemb, size_t size);
+WEBP_EXTERN void* WebPSafeCalloc(uint64_t nmemb, size_t size);
// Companion deallocation function to the above allocations.
-WEBP_EXTERN(void) WebPSafeFree(void* const ptr);
+WEBP_EXTERN void WebPSafeFree(void* const ptr);
//------------------------------------------------------------------------------
// Alignment
@@ -66,7 +66,7 @@ WEBP_EXTERN(void) WebPSafeFree(void* const ptr);
// memcpy() is the safe way of moving potentially unaligned 32b memory.
static WEBP_INLINE uint32_t WebPMemToUint32(const uint8_t* const ptr) {
uint32_t A;
- memcpy(&A, (const int*)ptr, sizeof(A));
+ memcpy(&A, ptr, sizeof(A));
return A;
}
static WEBP_INLINE void WebPUint32ToMem(uint8_t* const ptr, uint32_t val) {
@@ -112,12 +112,12 @@ static WEBP_INLINE void PutLE32(uint8_t* const data, uint32_t val) {
#define WEBP_NEED_LOG_TABLE_8BIT
extern const uint8_t WebPLogTable8bit[256];
static WEBP_INLINE int WebPLog2FloorC(uint32_t n) {
- int log = 0;
+ int log_value = 0;
while (n >= 256) {
- log += 8;
+ log_value += 8;
n >>= 8;
}
- return log + WebPLogTable8bit[n];
+ return log_value + WebPLogTable8bit[n];
}
// Returns (int)floor(log2(n)). n must be > 0.
@@ -147,14 +147,14 @@ static WEBP_INLINE int BitsLog2Floor(uint32_t n) { return WebPLog2FloorC(n); }
struct WebPPicture;
// Copy width x height pixels from 'src' to 'dst' honoring the strides.
-WEBP_EXTERN(void) WebPCopyPlane(const uint8_t* src, int src_stride,
- uint8_t* dst, int dst_stride,
- int width, int height);
+WEBP_EXTERN void WebPCopyPlane(const uint8_t* src, int src_stride,
+ uint8_t* dst, int dst_stride,
+ int width, int height);
// Copy ARGB pixels from 'src' to 'dst' honoring strides. 'src' and 'dst' are
// assumed to be already allocated and using ARGB data.
-WEBP_EXTERN(void) WebPCopyPixels(const struct WebPPicture* const src,
- struct WebPPicture* const dst);
+WEBP_EXTERN void WebPCopyPixels(const struct WebPPicture* const src,
+ struct WebPPicture* const dst);
//------------------------------------------------------------------------------
// Unique colors.
@@ -166,8 +166,8 @@ WEBP_EXTERN(void) WebPCopyPixels(const struct WebPPicture* const src,
// MAX_PALETTE_SIZE, also outputs the actual unique colors into 'palette'.
// Note: 'palette' is assumed to be an array already allocated with at least
// MAX_PALETTE_SIZE elements.
-WEBP_EXTERN(int) WebPGetColorPalette(const struct WebPPicture* const pic,
- uint32_t* const palette);
+WEBP_EXTERN int WebPGetColorPalette(const struct WebPPicture* const pic,
+ uint32_t* const palette);
//------------------------------------------------------------------------------
diff --git a/media/libwebp/webp/decode.h b/media/libwebp/webp/decode.h
index 4c5e74ac3..2165e96c9 100644
--- a/media/libwebp/webp/decode.h
+++ b/media/libwebp/webp/decode.h
@@ -36,39 +36,39 @@ typedef struct WebPDecoderConfig WebPDecoderConfig;
// Return the decoder's version number, packed in hexadecimal using 8bits for
// each of major/minor/revision. E.g: v2.5.7 is 0x020507.
-WEBP_EXTERN(int) WebPGetDecoderVersion(void);
+WEBP_EXTERN int WebPGetDecoderVersion(void);
// Retrieve basic header information: width, height.
// This function will also validate the header, returning true on success,
// false otherwise. '*width' and '*height' are only valid on successful return.
// Pointers 'width' and 'height' can be passed NULL if deemed irrelevant.
-WEBP_EXTERN(int) WebPGetInfo(const uint8_t* data, size_t data_size,
- int* width, int* height);
+WEBP_EXTERN int WebPGetInfo(const uint8_t* data, size_t data_size,
+ int* width, int* height);
// Decodes WebP images pointed to by 'data' and returns RGBA samples, along
// with the dimensions in *width and *height. The ordering of samples in
// memory is R, G, B, A, R, G, B, A... in scan order (endian-independent).
// The returned pointer should be deleted calling WebPFree().
// Returns NULL in case of error.
-WEBP_EXTERN(uint8_t*) WebPDecodeRGBA(const uint8_t* data, size_t data_size,
- int* width, int* height);
+WEBP_EXTERN uint8_t* WebPDecodeRGBA(const uint8_t* data, size_t data_size,
+ int* width, int* height);
// Same as WebPDecodeRGBA, but returning A, R, G, B, A, R, G, B... ordered data.
-WEBP_EXTERN(uint8_t*) WebPDecodeARGB(const uint8_t* data, size_t data_size,
- int* width, int* height);
+WEBP_EXTERN uint8_t* WebPDecodeARGB(const uint8_t* data, size_t data_size,
+ int* width, int* height);
// Same as WebPDecodeRGBA, but returning B, G, R, A, B, G, R, A... ordered data.
-WEBP_EXTERN(uint8_t*) WebPDecodeBGRA(const uint8_t* data, size_t data_size,
- int* width, int* height);
+WEBP_EXTERN uint8_t* WebPDecodeBGRA(const uint8_t* data, size_t data_size,
+ int* width, int* height);
// Same as WebPDecodeRGBA, but returning R, G, B, R, G, B... ordered data.
// If the bitstream contains transparency, it is ignored.
-WEBP_EXTERN(uint8_t*) WebPDecodeRGB(const uint8_t* data, size_t data_size,
- int* width, int* height);
+WEBP_EXTERN uint8_t* WebPDecodeRGB(const uint8_t* data, size_t data_size,
+ int* width, int* height);
// Same as WebPDecodeRGB, but returning B, G, R, B, G, R... ordered data.
-WEBP_EXTERN(uint8_t*) WebPDecodeBGR(const uint8_t* data, size_t data_size,
- int* width, int* height);
+WEBP_EXTERN uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size,
+ int* width, int* height);
// Decode WebP images pointed to by 'data' to Y'UV format(*). The pointer
@@ -80,13 +80,13 @@ WEBP_EXTERN(uint8_t*) WebPDecodeBGR(const uint8_t* data, size_t data_size,
// have a common stride returned as '*uv_stride'.
// Return NULL in case of error.
// (*) Also named Y'CbCr. See: http://en.wikipedia.org/wiki/YCbCr
-WEBP_EXTERN(uint8_t*) WebPDecodeYUV(const uint8_t* data, size_t data_size,
- int* width, int* height,
- uint8_t** u, uint8_t** v,
- int* stride, int* uv_stride);
+WEBP_EXTERN uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size,
+ int* width, int* height,
+ uint8_t** u, uint8_t** v,
+ int* stride, int* uv_stride);
// Releases memory returned by the WebPDecode*() functions above.
-WEBP_EXTERN(void) WebPFree(void* ptr);
+WEBP_EXTERN void WebPFree(void* ptr);
// These five functions are variants of the above ones, that decode the image
// directly into a pre-allocated buffer 'output_buffer'. The maximum storage
@@ -96,22 +96,22 @@ WEBP_EXTERN(void) WebPFree(void* ptr);
// The parameter 'output_stride' specifies the distance (in bytes)
// between scanlines. Hence, output_buffer_size is expected to be at least
// output_stride x picture-height.
-WEBP_EXTERN(uint8_t*) WebPDecodeRGBAInto(
+WEBP_EXTERN uint8_t* WebPDecodeRGBAInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
-WEBP_EXTERN(uint8_t*) WebPDecodeARGBInto(
+WEBP_EXTERN uint8_t* WebPDecodeARGBInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
-WEBP_EXTERN(uint8_t*) WebPDecodeBGRAInto(
+WEBP_EXTERN uint8_t* WebPDecodeBGRAInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
// RGB and BGR variants. Here too the transparency information, if present,
// will be dropped and ignored.
-WEBP_EXTERN(uint8_t*) WebPDecodeRGBInto(
+WEBP_EXTERN uint8_t* WebPDecodeRGBInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
-WEBP_EXTERN(uint8_t*) WebPDecodeBGRInto(
+WEBP_EXTERN uint8_t* WebPDecodeBGRInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
@@ -122,7 +122,7 @@ WEBP_EXTERN(uint8_t*) WebPDecodeBGRInto(
// 'u_size' and 'v_size' respectively.
// Pointer to the luma plane ('*luma') is returned or NULL if an error occurred
// during decoding (or because some buffers were found to be too small).
-WEBP_EXTERN(uint8_t*) WebPDecodeYUVInto(
+WEBP_EXTERN uint8_t* WebPDecodeYUVInto(
const uint8_t* data, size_t data_size,
uint8_t* luma, size_t luma_size, int luma_stride,
uint8_t* u, size_t u_size, int u_stride,
@@ -213,7 +213,7 @@ struct WebPDecBuffer {
};
// Internal, version-checked, entry point
-WEBP_EXTERN(int) WebPInitDecBufferInternal(WebPDecBuffer*, int);
+WEBP_EXTERN int WebPInitDecBufferInternal(WebPDecBuffer*, int);
// Initialize the structure as empty. Must be called before any other use.
// Returns false in case of version mismatch
@@ -223,7 +223,7 @@ static WEBP_INLINE int WebPInitDecBuffer(WebPDecBuffer* buffer) {
// Free any memory associated with the buffer. Must always be called last.
// Note: doesn't free the 'buffer' structure itself.
-WEBP_EXTERN(void) WebPFreeDecBuffer(WebPDecBuffer* buffer);
+WEBP_EXTERN void WebPFreeDecBuffer(WebPDecBuffer* buffer);
//------------------------------------------------------------------------------
// Enumeration of the status codes
@@ -277,7 +277,7 @@ typedef enum VP8StatusCode {
// within valid bounds.
// All other fields of WebPDecBuffer MUST remain constant between calls.
// Returns NULL if the allocation failed.
-WEBP_EXTERN(WebPIDecoder*) WebPINewDecoder(WebPDecBuffer* output_buffer);
+WEBP_EXTERN WebPIDecoder* WebPINewDecoder(WebPDecBuffer* output_buffer);
// This function allocates and initializes an incremental-decoder object, which
// will output the RGB/A samples specified by 'csp' into a preallocated
@@ -289,7 +289,7 @@ WEBP_EXTERN(WebPIDecoder*) WebPINewDecoder(WebPDecBuffer* output_buffer);
// colorspace 'csp' is taken into account for allocating this buffer. All other
// parameters are ignored.
// Returns NULL if the allocation failed, or if some parameters are invalid.
-WEBP_EXTERN(WebPIDecoder*) WebPINewRGB(
+WEBP_EXTERN WebPIDecoder* WebPINewRGB(
WEBP_CSP_MODE csp,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
@@ -304,7 +304,7 @@ WEBP_EXTERN(WebPIDecoder*) WebPINewRGB(
// In this case, the output buffer will be automatically allocated (using
// MODE_YUVA) when decoding starts. All parameters are then ignored.
// Returns NULL if the allocation failed or if a parameter is invalid.
-WEBP_EXTERN(WebPIDecoder*) WebPINewYUVA(
+WEBP_EXTERN WebPIDecoder* WebPINewYUVA(
uint8_t* luma, size_t luma_size, int luma_stride,
uint8_t* u, size_t u_size, int u_stride,
uint8_t* v, size_t v_size, int v_stride,
@@ -312,19 +312,19 @@ WEBP_EXTERN(WebPIDecoder*) WebPINewYUVA(
// Deprecated version of the above, without the alpha plane.
// Kept for backward compatibility.
-WEBP_EXTERN(WebPIDecoder*) WebPINewYUV(
+WEBP_EXTERN WebPIDecoder* WebPINewYUV(
uint8_t* luma, size_t luma_size, int luma_stride,
uint8_t* u, size_t u_size, int u_stride,
uint8_t* v, size_t v_size, int v_stride);
// Deletes the WebPIDecoder object and associated memory. Must always be called
// if WebPINewDecoder, WebPINewRGB or WebPINewYUV succeeded.
-WEBP_EXTERN(void) WebPIDelete(WebPIDecoder* idec);
+WEBP_EXTERN void WebPIDelete(WebPIDecoder* idec);
// Copies and decodes the next available data. Returns VP8_STATUS_OK when
// the image is successfully decoded. Returns VP8_STATUS_SUSPENDED when more
// data is expected. Returns error in other cases.
-WEBP_EXTERN(VP8StatusCode) WebPIAppend(
+WEBP_EXTERN VP8StatusCode WebPIAppend(
WebPIDecoder* idec, const uint8_t* data, size_t data_size);
// A variant of the above function to be used when data buffer contains
@@ -332,7 +332,7 @@ WEBP_EXTERN(VP8StatusCode) WebPIAppend(
// to the internal memory.
// Note that the value of the 'data' pointer can change between calls to
// WebPIUpdate, for instance when the data buffer is resized to fit larger data.
-WEBP_EXTERN(VP8StatusCode) WebPIUpdate(
+WEBP_EXTERN VP8StatusCode WebPIUpdate(
WebPIDecoder* idec, const uint8_t* data, size_t data_size);
// Returns the RGB/A image decoded so far. Returns NULL if output params
@@ -340,15 +340,16 @@ WEBP_EXTERN(VP8StatusCode) WebPIUpdate(
// specified during call to WebPINewDecoder() or WebPINewRGB().
// *last_y is the index of last decoded row in raster scan order. Some pointers
// (*last_y, *width etc.) can be NULL if corresponding information is not
-// needed.
-WEBP_EXTERN(uint8_t*) WebPIDecGetRGB(
+// needed. The values in these pointers are only valid on successful (non-NULL)
+// return.
+WEBP_EXTERN uint8_t* WebPIDecGetRGB(
const WebPIDecoder* idec, int* last_y,
int* width, int* height, int* stride);
// Same as above function to get a YUVA image. Returns pointer to the luma
// plane or NULL in case of error. If there is no alpha information
// the alpha pointer '*a' will be returned NULL.
-WEBP_EXTERN(uint8_t*) WebPIDecGetYUVA(
+WEBP_EXTERN uint8_t* WebPIDecGetYUVA(
const WebPIDecoder* idec, int* last_y,
uint8_t** u, uint8_t** v, uint8_t** a,
int* width, int* height, int* stride, int* uv_stride, int* a_stride);
@@ -368,7 +369,7 @@ static WEBP_INLINE uint8_t* WebPIDecGetYUV(
// Returns NULL in case the incremental decoder object is in an invalid state.
// Otherwise returns the pointer to the internal representation. This structure
// is read-only, tied to WebPIDecoder's lifespan and should not be modified.
-WEBP_EXTERN(const WebPDecBuffer*) WebPIDecodedArea(
+WEBP_EXTERN const WebPDecBuffer* WebPIDecodedArea(
const WebPIDecoder* idec, int* left, int* top, int* width, int* height);
//------------------------------------------------------------------------------
@@ -416,7 +417,7 @@ struct WebPBitstreamFeatures {
};
// Internal, version-checked, entry point
-WEBP_EXTERN(VP8StatusCode) WebPGetFeaturesInternal(
+WEBP_EXTERN VP8StatusCode WebPGetFeaturesInternal(
const uint8_t*, size_t, WebPBitstreamFeatures*, int);
// Retrieve features from the bitstream. The *features structure is filled
@@ -457,7 +458,7 @@ struct WebPDecoderConfig {
};
// Internal, version-checked, entry point
-WEBP_EXTERN(int) WebPInitDecoderConfigInternal(WebPDecoderConfig*, int);
+WEBP_EXTERN int WebPInitDecoderConfigInternal(WebPDecoderConfig*, int);
// Initialize the configuration as empty. This function must always be
// called first, unless WebPGetFeatures() is to be called.
@@ -477,14 +478,14 @@ static WEBP_INLINE int WebPInitDecoderConfig(WebPDecoderConfig* config) {
// The return WebPIDecoder object must always be deleted calling WebPIDelete().
// Returns NULL in case of error (and config->status will then reflect
// the error condition, if available).
-WEBP_EXTERN(WebPIDecoder*) WebPIDecode(const uint8_t* data, size_t data_size,
- WebPDecoderConfig* config);
+WEBP_EXTERN WebPIDecoder* WebPIDecode(const uint8_t* data, size_t data_size,
+ WebPDecoderConfig* config);
// Non-incremental version. This version decodes the full data at once, taking
// 'config' into account. Returns decoding status (which should be VP8_STATUS_OK
// if the decoding was successful). Note that 'config' cannot be NULL.
-WEBP_EXTERN(VP8StatusCode) WebPDecode(const uint8_t* data, size_t data_size,
- WebPDecoderConfig* config);
+WEBP_EXTERN VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size,
+ WebPDecoderConfig* config);
#ifdef __cplusplus
} // extern "C"
diff --git a/media/libwebp/webp/demux.h b/media/libwebp/webp/demux.h
index 454f6914b..555d64133 100644
--- a/media/libwebp/webp/demux.h
+++ b/media/libwebp/webp/demux.h
@@ -71,7 +71,7 @@ typedef struct WebPAnimDecoderOptions WebPAnimDecoderOptions;
// Returns the version number of the demux library, packed in hexadecimal using
// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507.
-WEBP_EXTERN(int) WebPGetDemuxVersion(void);
+WEBP_EXTERN int WebPGetDemuxVersion(void);
//------------------------------------------------------------------------------
// Life of a Demux object
@@ -85,7 +85,7 @@ typedef enum WebPDemuxState {
} WebPDemuxState;
// Internal, version-checked, entry point
-WEBP_EXTERN(WebPDemuxer*) WebPDemuxInternal(
+WEBP_EXTERN WebPDemuxer* WebPDemuxInternal(
const WebPData*, int, WebPDemuxState*, int);
// Parses the full WebP file given by 'data'. For single images the WebP file
@@ -109,27 +109,32 @@ static WEBP_INLINE WebPDemuxer* WebPDemuxPartial(
}
// Frees memory associated with 'dmux'.
-WEBP_EXTERN(void) WebPDemuxDelete(WebPDemuxer* dmux);
+WEBP_EXTERN void WebPDemuxDelete(WebPDemuxer* dmux);
//------------------------------------------------------------------------------
// Data/information extraction.
typedef enum WebPFormatFeature {
- WEBP_FF_FORMAT_FLAGS, // Extended format flags present in the 'VP8X' chunk.
+ WEBP_FF_FORMAT_FLAGS, // bit-wise combination of WebPFeatureFlags
+ // corresponding to the 'VP8X' chunk (if present).
WEBP_FF_CANVAS_WIDTH,
WEBP_FF_CANVAS_HEIGHT,
- WEBP_FF_LOOP_COUNT,
- WEBP_FF_BACKGROUND_COLOR,
- WEBP_FF_FRAME_COUNT // Number of frames present in the demux object.
- // In case of a partial demux, this is the number of
- // frames seen so far, with the last frame possibly
- // being partial.
+ WEBP_FF_LOOP_COUNT, // only relevant for animated file
+ WEBP_FF_BACKGROUND_COLOR, // idem.
+ WEBP_FF_FRAME_COUNT // Number of frames present in the demux object.
+ // In case of a partial demux, this is the number
+ // of frames seen so far, with the last frame
+ // possibly being partial.
} WebPFormatFeature;
// Get the 'feature' value from the 'dmux'.
// NOTE: values are only valid if WebPDemux() was used or WebPDemuxPartial()
// returned a state > WEBP_DEMUX_PARSING_HEADER.
-WEBP_EXTERN(uint32_t) WebPDemuxGetI(
+// If 'feature' is WEBP_FF_FORMAT_FLAGS, the returned value is a bit-wise
+// combination of WebPFeatureFlags values.
+// If 'feature' is WEBP_FF_LOOP_COUNT, WEBP_FF_BACKGROUND_COLOR, the returned
+// value is only meaningful if the bitstream is animated.
+WEBP_EXTERN uint32_t WebPDemuxGetI(
const WebPDemuxer* dmux, WebPFormatFeature feature);
//------------------------------------------------------------------------------
@@ -159,20 +164,20 @@ struct WebPIterator {
// Returns false if 'dmux' is NULL or frame 'frame_number' is not present.
// Call WebPDemuxReleaseIterator() when use of the iterator is complete.
// NOTE: 'dmux' must persist for the lifetime of 'iter'.
-WEBP_EXTERN(int) WebPDemuxGetFrame(
+WEBP_EXTERN int WebPDemuxGetFrame(
const WebPDemuxer* dmux, int frame_number, WebPIterator* iter);
// Sets 'iter->fragment' to point to the next ('iter->frame_num' + 1) or
// previous ('iter->frame_num' - 1) frame. These functions do not loop.
// Returns true on success, false otherwise.
-WEBP_EXTERN(int) WebPDemuxNextFrame(WebPIterator* iter);
-WEBP_EXTERN(int) WebPDemuxPrevFrame(WebPIterator* iter);
+WEBP_EXTERN int WebPDemuxNextFrame(WebPIterator* iter);
+WEBP_EXTERN int WebPDemuxPrevFrame(WebPIterator* iter);
// Releases any memory associated with 'iter'.
// Must be called before any subsequent calls to WebPDemuxGetChunk() on the same
// iter. Also, must be called before destroying the associated WebPDemuxer with
// WebPDemuxDelete().
-WEBP_EXTERN(void) WebPDemuxReleaseIterator(WebPIterator* iter);
+WEBP_EXTERN void WebPDemuxReleaseIterator(WebPIterator* iter);
//------------------------------------------------------------------------------
// Chunk iteration.
@@ -197,20 +202,20 @@ struct WebPChunkIterator {
// payloads are accessed through WebPDemuxGetFrame() and related functions.
// Call WebPDemuxReleaseChunkIterator() when use of the iterator is complete.
// NOTE: 'dmux' must persist for the lifetime of the iterator.
-WEBP_EXTERN(int) WebPDemuxGetChunk(const WebPDemuxer* dmux,
- const char fourcc[4], int chunk_number,
- WebPChunkIterator* iter);
+WEBP_EXTERN int WebPDemuxGetChunk(const WebPDemuxer* dmux,
+ const char fourcc[4], int chunk_number,
+ WebPChunkIterator* iter);
// Sets 'iter->chunk' to point to the next ('iter->chunk_num' + 1) or previous
// ('iter->chunk_num' - 1) chunk. These functions do not loop.
// Returns true on success, false otherwise.
-WEBP_EXTERN(int) WebPDemuxNextChunk(WebPChunkIterator* iter);
-WEBP_EXTERN(int) WebPDemuxPrevChunk(WebPChunkIterator* iter);
+WEBP_EXTERN int WebPDemuxNextChunk(WebPChunkIterator* iter);
+WEBP_EXTERN int WebPDemuxPrevChunk(WebPChunkIterator* iter);
// Releases any memory associated with 'iter'.
// Must be called before destroying the associated WebPDemuxer with
// WebPDemuxDelete().
-WEBP_EXTERN(void) WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter);
+WEBP_EXTERN void WebPDemuxReleaseChunkIterator(WebPChunkIterator* iter);
//------------------------------------------------------------------------------
// WebPAnimDecoder API
@@ -252,7 +257,7 @@ struct WebPAnimDecoderOptions {
};
// Internal, version-checked, entry point.
-WEBP_EXTERN(int) WebPAnimDecoderOptionsInitInternal(
+WEBP_EXTERN int WebPAnimDecoderOptionsInitInternal(
WebPAnimDecoderOptions*, int);
// Should always be called, to initialize a fresh WebPAnimDecoderOptions
@@ -266,7 +271,7 @@ static WEBP_INLINE int WebPAnimDecoderOptionsInit(
}
// Internal, version-checked, entry point.
-WEBP_EXTERN(WebPAnimDecoder*) WebPAnimDecoderNewInternal(
+WEBP_EXTERN WebPAnimDecoder* WebPAnimDecoderNewInternal(
const WebPData*, const WebPAnimDecoderOptions*, int);
// Creates and initializes a WebPAnimDecoder object.
@@ -301,8 +306,8 @@ struct WebPAnimInfo {
// info - (out) global information fetched from the animation.
// Returns:
// True on success.
-WEBP_EXTERN(int) WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec,
- WebPAnimInfo* info);
+WEBP_EXTERN int WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec,
+ WebPAnimInfo* info);
// Fetch the next frame from 'dec' based on options supplied to
// WebPAnimDecoderNew(). This will be a fully reconstructed canvas of size
@@ -316,8 +321,8 @@ WEBP_EXTERN(int) WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec,
// Returns:
// False if any of the arguments are NULL, or if there is a parsing or
// decoding error, or if there are no more frames. Otherwise, returns true.
-WEBP_EXTERN(int) WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
- uint8_t** buf, int* timestamp);
+WEBP_EXTERN int WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
+ uint8_t** buf, int* timestamp);
// Check if there are more frames left to decode.
// Parameters:
@@ -325,7 +330,7 @@ WEBP_EXTERN(int) WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
// Returns:
// True if 'dec' is not NULL and some frames are yet to be decoded.
// Otherwise, returns false.
-WEBP_EXTERN(int) WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec);
+WEBP_EXTERN int WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec);
// Resets the WebPAnimDecoder object, so that next call to
// WebPAnimDecoderGetNext() will restart decoding from 1st frame. This would be
@@ -333,7 +338,7 @@ WEBP_EXTERN(int) WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec);
// info.loop_count times) without destroying and recreating the 'dec' object.
// Parameters:
// dec - (in/out) decoder instance to be reset
-WEBP_EXTERN(void) WebPAnimDecoderReset(WebPAnimDecoder* dec);
+WEBP_EXTERN void WebPAnimDecoderReset(WebPAnimDecoder* dec);
// Grab the internal demuxer object.
// Getting the demuxer object can be useful if one wants to use operations only
@@ -343,13 +348,13 @@ WEBP_EXTERN(void) WebPAnimDecoderReset(WebPAnimDecoder* dec);
//
// Parameters:
// dec - (in) decoder instance from which the demuxer object is to be fetched.
-WEBP_EXTERN(const WebPDemuxer*) WebPAnimDecoderGetDemuxer(
+WEBP_EXTERN const WebPDemuxer* WebPAnimDecoderGetDemuxer(
const WebPAnimDecoder* dec);
// Deletes the WebPAnimDecoder object.
// Parameters:
// dec - (in/out) decoder instance to be deleted
-WEBP_EXTERN(void) WebPAnimDecoderDelete(WebPAnimDecoder* dec);
+WEBP_EXTERN void WebPAnimDecoderDelete(WebPAnimDecoder* dec);
#ifdef __cplusplus
} // extern "C"
diff --git a/media/libwebp/webp/encode.h b/media/libwebp/webp/encode.h
index 35fde1d05..7ec3543dc 100644
--- a/media/libwebp/webp/encode.h
+++ b/media/libwebp/webp/encode.h
@@ -35,7 +35,7 @@ typedef struct WebPMemoryWriter WebPMemoryWriter;
// Return the encoder's version number, packed in hexadecimal using 8bits for
// each of major/minor/revision. E.g: v2.5.7 is 0x020507.
-WEBP_EXTERN(int) WebPGetEncoderVersion(void);
+WEBP_EXTERN int WebPGetEncoderVersion(void);
//------------------------------------------------------------------------------
// One-stop-shop call! No questions asked:
@@ -46,37 +46,37 @@ WEBP_EXTERN(int) WebPGetEncoderVersion(void);
// These functions compress using the lossy format, and the quality_factor
// can go from 0 (smaller output, lower quality) to 100 (best quality,
// larger output).
-WEBP_EXTERN(size_t) WebPEncodeRGB(const uint8_t* rgb,
+WEBP_EXTERN size_t WebPEncodeRGB(const uint8_t* rgb,
+ int width, int height, int stride,
+ float quality_factor, uint8_t** output);
+WEBP_EXTERN size_t WebPEncodeBGR(const uint8_t* bgr,
+ int width, int height, int stride,
+ float quality_factor, uint8_t** output);
+WEBP_EXTERN size_t WebPEncodeRGBA(const uint8_t* rgba,
int width, int height, int stride,
float quality_factor, uint8_t** output);
-WEBP_EXTERN(size_t) WebPEncodeBGR(const uint8_t* bgr,
+WEBP_EXTERN size_t WebPEncodeBGRA(const uint8_t* bgra,
int width, int height, int stride,
float quality_factor, uint8_t** output);
-WEBP_EXTERN(size_t) WebPEncodeRGBA(const uint8_t* rgba,
- int width, int height, int stride,
- float quality_factor, uint8_t** output);
-WEBP_EXTERN(size_t) WebPEncodeBGRA(const uint8_t* bgra,
- int width, int height, int stride,
- float quality_factor, uint8_t** output);
// These functions are the equivalent of the above, but compressing in a
// lossless manner. Files are usually larger than lossy format, but will
// not suffer any compression loss.
-WEBP_EXTERN(size_t) WebPEncodeLosslessRGB(const uint8_t* rgb,
+WEBP_EXTERN size_t WebPEncodeLosslessRGB(const uint8_t* rgb,
+ int width, int height, int stride,
+ uint8_t** output);
+WEBP_EXTERN size_t WebPEncodeLosslessBGR(const uint8_t* bgr,
+ int width, int height, int stride,
+ uint8_t** output);
+WEBP_EXTERN size_t WebPEncodeLosslessRGBA(const uint8_t* rgba,
int width, int height, int stride,
uint8_t** output);
-WEBP_EXTERN(size_t) WebPEncodeLosslessBGR(const uint8_t* bgr,
+WEBP_EXTERN size_t WebPEncodeLosslessBGRA(const uint8_t* bgra,
int width, int height, int stride,
uint8_t** output);
-WEBP_EXTERN(size_t) WebPEncodeLosslessRGBA(const uint8_t* rgba,
- int width, int height, int stride,
- uint8_t** output);
-WEBP_EXTERN(size_t) WebPEncodeLosslessBGRA(const uint8_t* bgra,
- int width, int height, int stride,
- uint8_t** output);
// Releases memory returned by the WebPEncode*() functions above.
-WEBP_EXTERN(void) WebPFree(void* ptr);
+WEBP_EXTERN void WebPFree(void* ptr);
//------------------------------------------------------------------------------
// Coding parameters
@@ -93,12 +93,15 @@ typedef enum WebPImageHint {
// Compression parameters.
struct WebPConfig {
int lossless; // Lossless encoding (0=lossy(default), 1=lossless).
- float quality; // between 0 (smallest file) and 100 (biggest)
+ float quality; // between 0 and 100. For lossy, 0 gives the smallest
+ // size and 100 the largest. For lossless, this
+ // parameter is the amount of effort put into the
+ // compression: 0 is the fastest but gives larger
+ // files compared to the slowest, but best, 100.
int method; // quality/speed trade-off (0=fast, 6=slower-better)
WebPImageHint image_hint; // Hint for image type (lossless only for now).
- // Parameters related to lossy compression only:
int target_size; // if non-zero, set the desired target size in bytes.
// Takes precedence over the 'compression' parameter.
float target_PSNR; // if non-zero, specifies the minimal distortion to
@@ -159,7 +162,7 @@ typedef enum WebPPreset {
} WebPPreset;
// Internal, version-checked, entry point
-WEBP_EXTERN(int) WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int);
+WEBP_EXTERN int WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int);
// Should always be called, to initialize a fresh WebPConfig structure before
// modification. Returns false in case of version mismatch. WebPConfigInit()
@@ -186,15 +189,15 @@ static WEBP_INLINE int WebPConfigPreset(WebPConfig* config,
// speed and final compressed size.
// This function will overwrite several fields from config: 'method', 'quality'
// and 'lossless'. Returns false in case of parameter error.
-WEBP_EXTERN(int) WebPConfigLosslessPreset(WebPConfig* config, int level);
+WEBP_EXTERN int WebPConfigLosslessPreset(WebPConfig* config, int level);
// Returns true if 'config' is non-NULL and all configuration parameters are
// within their valid ranges.
-WEBP_EXTERN(int) WebPValidateConfig(const WebPConfig* config);
+WEBP_EXTERN int WebPValidateConfig(const WebPConfig* config);
//------------------------------------------------------------------------------
// Input / Output
-// Structure for storing auxiliary statistics (mostly for lossy encoding).
+// Structure for storing auxiliary statistics.
struct WebPAuxStats {
int coded_size; // final size
@@ -242,16 +245,16 @@ struct WebPMemoryWriter {
};
// The following must be called first before any use.
-WEBP_EXTERN(void) WebPMemoryWriterInit(WebPMemoryWriter* writer);
+WEBP_EXTERN void WebPMemoryWriterInit(WebPMemoryWriter* writer);
// The following must be called to deallocate writer->mem memory. The 'writer'
// object itself is not deallocated.
-WEBP_EXTERN(void) WebPMemoryWriterClear(WebPMemoryWriter* writer);
+WEBP_EXTERN void WebPMemoryWriterClear(WebPMemoryWriter* writer);
// The custom writer to be used with WebPMemoryWriter as custom_ptr. Upon
// completion, writer.mem and writer.size will hold the coded data.
// writer.mem must be freed by calling WebPMemoryWriterClear.
-WEBP_EXTERN(int) WebPMemoryWrite(const uint8_t* data, size_t data_size,
- const WebPPicture* picture);
+WEBP_EXTERN int WebPMemoryWrite(const uint8_t* data, size_t data_size,
+ const WebPPicture* picture);
// Progress hook, called from time to time to report progress. It can return
// false to request an abort of the encoding process, or true otherwise if
@@ -354,7 +357,7 @@ struct WebPPicture {
};
// Internal, version-checked, entry point
-WEBP_EXTERN(int) WebPPictureInitInternal(WebPPicture*, int);
+WEBP_EXTERN int WebPPictureInitInternal(WebPPicture*, int);
// Should always be called, to initialize the structure. Returns false in case
// of version mismatch. WebPPictureInit() must have succeeded before using the
@@ -371,20 +374,20 @@ static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) {
// Allocate y/u/v buffers as per colorspace/width/height specification.
// Note! This function will free the previous buffer if needed.
// Returns false in case of memory error.
-WEBP_EXTERN(int) WebPPictureAlloc(WebPPicture* picture);
+WEBP_EXTERN int WebPPictureAlloc(WebPPicture* picture);
// Release the memory allocated by WebPPictureAlloc() or WebPPictureImport*().
// Note that this function does _not_ free the memory used by the 'picture'
// object itself.
// Besides memory (which is reclaimed) all other fields of 'picture' are
// preserved.
-WEBP_EXTERN(void) WebPPictureFree(WebPPicture* picture);
+WEBP_EXTERN void WebPPictureFree(WebPPicture* picture);
// Copy the pixels of *src into *dst, using WebPPictureAlloc. Upon return, *dst
// will fully own the copied pixels (this is not a view). The 'dst' picture need
// not be initialized as its content is overwritten.
// Returns false in case of memory allocation error.
-WEBP_EXTERN(int) WebPPictureCopy(const WebPPicture* src, WebPPicture* dst);
+WEBP_EXTERN int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst);
// Compute the single distortion for packed planes of samples.
// 'src' will be compared to 'ref', and the raw distortion stored into
@@ -393,19 +396,19 @@ WEBP_EXTERN(int) WebPPictureCopy(const WebPPicture* src, WebPPicture* dst);
// 'x_step' is the horizontal stride (in bytes) between samples.
// 'src/ref_stride' is the byte distance between rows.
// Returns false in case of error (bad parameter, memory allocation error, ...).
-WEBP_EXTERN(int) WebPPlaneDistortion(const uint8_t* src, size_t src_stride,
- const uint8_t* ref, size_t ref_stride,
- int width, int height,
- size_t x_step,
- int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM
- float* distortion, float* result);
+WEBP_EXTERN int WebPPlaneDistortion(const uint8_t* src, size_t src_stride,
+ const uint8_t* ref, size_t ref_stride,
+ int width, int height,
+ size_t x_step,
+ int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM
+ float* distortion, float* result);
// Compute PSNR, SSIM or LSIM distortion metric between two pictures. Results
// are in dB, stored in result[] in the B/G/R/A/All order. The distortion is
// always performed using ARGB samples. Hence if the input is YUV(A), the
// picture will be internally converted to ARGB (just for the measurement).
// Warning: this function is rather CPU-intensive.
-WEBP_EXTERN(int) WebPPictureDistortion(
+WEBP_EXTERN int WebPPictureDistortion(
const WebPPicture* src, const WebPPicture* ref,
int metric_type, // 0 = PSNR, 1 = SSIM, 2 = LSIM
float result[5]);
@@ -418,8 +421,8 @@ WEBP_EXTERN(int) WebPPictureDistortion(
// must be fully be comprised inside the 'src' source picture. If the source
// picture uses the YUV420 colorspace, the top and left coordinates will be
// snapped to even values.
-WEBP_EXTERN(int) WebPPictureCrop(WebPPicture* picture,
- int left, int top, int width, int height);
+WEBP_EXTERN int WebPPictureCrop(WebPPicture* picture,
+ int left, int top, int width, int height);
// Extracts a view from 'src' picture into 'dst'. The rectangle for the view
// is defined by the top-left corner pixel coordinates (left, top) as well
@@ -432,42 +435,42 @@ WEBP_EXTERN(int) WebPPictureCrop(WebPPicture* picture,
// with WebPPictureInit() if it is different from 'src', since its content will
// be overwritten.
// Returns false in case of memory allocation error or invalid parameters.
-WEBP_EXTERN(int) WebPPictureView(const WebPPicture* src,
- int left, int top, int width, int height,
- WebPPicture* dst);
+WEBP_EXTERN int WebPPictureView(const WebPPicture* src,
+ int left, int top, int width, int height,
+ WebPPicture* dst);
// Returns true if the 'picture' is actually a view and therefore does
// not own the memory for pixels.
-WEBP_EXTERN(int) WebPPictureIsView(const WebPPicture* picture);
+WEBP_EXTERN int WebPPictureIsView(const WebPPicture* picture);
// Rescale a picture to new dimension width x height.
// If either 'width' or 'height' (but not both) is 0 the corresponding
// dimension will be calculated preserving the aspect ratio.
// No gamma correction is applied.
// Returns false in case of error (invalid parameter or insufficient memory).
-WEBP_EXTERN(int) WebPPictureRescale(WebPPicture* pic, int width, int height);
+WEBP_EXTERN int WebPPictureRescale(WebPPicture* pic, int width, int height);
// Colorspace conversion function to import RGB samples.
// Previous buffer will be free'd, if any.
// *rgb buffer should have a size of at least height * rgb_stride.
// Returns false in case of memory error.
-WEBP_EXTERN(int) WebPPictureImportRGB(
+WEBP_EXTERN int WebPPictureImportRGB(
WebPPicture* picture, const uint8_t* rgb, int rgb_stride);
// Same, but for RGBA buffer.
-WEBP_EXTERN(int) WebPPictureImportRGBA(
+WEBP_EXTERN int WebPPictureImportRGBA(
WebPPicture* picture, const uint8_t* rgba, int rgba_stride);
// Same, but for RGBA buffer. Imports the RGB direct from the 32-bit format
// input buffer ignoring the alpha channel. Avoids needing to copy the data
// to a temporary 24-bit RGB buffer to import the RGB only.
-WEBP_EXTERN(int) WebPPictureImportRGBX(
+WEBP_EXTERN int WebPPictureImportRGBX(
WebPPicture* picture, const uint8_t* rgbx, int rgbx_stride);
// Variants of the above, but taking BGR(A|X) input.
-WEBP_EXTERN(int) WebPPictureImportBGR(
+WEBP_EXTERN int WebPPictureImportBGR(
WebPPicture* picture, const uint8_t* bgr, int bgr_stride);
-WEBP_EXTERN(int) WebPPictureImportBGRA(
+WEBP_EXTERN int WebPPictureImportBGRA(
WebPPicture* picture, const uint8_t* bgra, int bgra_stride);
-WEBP_EXTERN(int) WebPPictureImportBGRX(
+WEBP_EXTERN int WebPPictureImportBGRX(
WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride);
// Converts picture->argb data to the YUV420A format. The 'colorspace'
@@ -476,14 +479,14 @@ WEBP_EXTERN(int) WebPPictureImportBGRX(
// non-opaque transparent values is detected, and 'colorspace' will be
// adjusted accordingly. Note that this method is lossy.
// Returns false in case of error.
-WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture,
- WebPEncCSP /*colorspace = WEBP_YUV420*/);
+WEBP_EXTERN int WebPPictureARGBToYUVA(WebPPicture* picture,
+ WebPEncCSP /*colorspace = WEBP_YUV420*/);
// Same as WebPPictureARGBToYUVA(), but the conversion is done using
// pseudo-random dithering with a strength 'dithering' between
// 0.0 (no dithering) and 1.0 (maximum dithering). This is useful
// for photographic picture.
-WEBP_EXTERN(int) WebPPictureARGBToYUVADithered(
+WEBP_EXTERN int WebPPictureARGBToYUVADithered(
WebPPicture* picture, WebPEncCSP colorspace, float dithering);
// Performs 'sharp' RGBA->YUVA420 downsampling and colorspace conversion.
@@ -491,9 +494,9 @@ WEBP_EXTERN(int) WebPPictureARGBToYUVADithered(
// method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better
// and sharper YUV representation.
// Returns false in case of error.
-WEBP_EXTERN(int) WebPPictureSharpARGBToYUVA(WebPPicture* picture);
+WEBP_EXTERN int WebPPictureSharpARGBToYUVA(WebPPicture* picture);
// kept for backward compatibility:
-WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture);
+WEBP_EXTERN int WebPPictureSmartARGBToYUVA(WebPPicture* picture);
// Converts picture->yuv to picture->argb and sets picture->use_argb to true.
// The input format must be YUV_420 or YUV_420A. The conversion from YUV420 to
@@ -501,22 +504,22 @@ WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture);
// Note that the use of this colorspace is discouraged if one has access to the
// raw ARGB samples, since using YUV420 is comparatively lossy.
// Returns false in case of error.
-WEBP_EXTERN(int) WebPPictureYUVAToARGB(WebPPicture* picture);
+WEBP_EXTERN int WebPPictureYUVAToARGB(WebPPicture* picture);
// Helper function: given a width x height plane of RGBA or YUV(A) samples
-// clean-up the YUV or RGB samples under fully transparent area, to help
-// compressibility (no guarantee, though).
-WEBP_EXTERN(void) WebPCleanupTransparentArea(WebPPicture* picture);
+// clean-up or smoothen the YUV or RGB samples under fully transparent area,
+// to help compressibility (no guarantee, though).
+WEBP_EXTERN void WebPCleanupTransparentArea(WebPPicture* picture);
// Scan the picture 'picture' for the presence of non fully opaque alpha values.
// Returns true in such case. Otherwise returns false (indicating that the
// alpha plane can be ignored altogether e.g.).
-WEBP_EXTERN(int) WebPPictureHasTransparency(const WebPPicture* picture);
+WEBP_EXTERN int WebPPictureHasTransparency(const WebPPicture* picture);
// Remove the transparency information (if present) by blending the color with
// the background color 'background_rgb' (specified as 24bit RGB triplet).
// After this call, all alpha values are reset to 0xff.
-WEBP_EXTERN(void) WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb);
+WEBP_EXTERN void WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb);
//------------------------------------------------------------------------------
// Main call
@@ -531,7 +534,7 @@ WEBP_EXTERN(void) WebPBlendAlpha(WebPPicture* pic, uint32_t background_rgb);
// the former for lossy encoding, and the latter for lossless encoding
// (when config.lossless is true). Automatic conversion from one format to
// another is provided but they both incur some loss.
-WEBP_EXTERN(int) WebPEncode(const WebPConfig* config, WebPPicture* picture);
+WEBP_EXTERN int WebPEncode(const WebPConfig* config, WebPPicture* picture);
//------------------------------------------------------------------------------
diff --git a/media/libwebp/webp/mux.h b/media/libwebp/webp/mux.h
index daccc65e8..28bb4a41c 100644
--- a/media/libwebp/webp/mux.h
+++ b/media/libwebp/webp/mux.h
@@ -98,13 +98,13 @@ typedef enum WebPChunkId {
// Returns the version number of the mux library, packed in hexadecimal using
// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507.
-WEBP_EXTERN(int) WebPGetMuxVersion(void);
+WEBP_EXTERN int WebPGetMuxVersion(void);
//------------------------------------------------------------------------------
// Life of a Mux object
// Internal, version-checked, entry point
-WEBP_EXTERN(WebPMux*) WebPNewInternal(int);
+WEBP_EXTERN WebPMux* WebPNewInternal(int);
// Creates an empty mux object.
// Returns:
@@ -117,13 +117,13 @@ static WEBP_INLINE WebPMux* WebPMuxNew(void) {
// Deletes the mux object.
// Parameters:
// mux - (in/out) object to be deleted
-WEBP_EXTERN(void) WebPMuxDelete(WebPMux* mux);
+WEBP_EXTERN void WebPMuxDelete(WebPMux* mux);
//------------------------------------------------------------------------------
// Mux creation.
// Internal, version-checked, entry point
-WEBP_EXTERN(WebPMux*) WebPMuxCreateInternal(const WebPData*, int, int);
+WEBP_EXTERN WebPMux* WebPMuxCreateInternal(const WebPData*, int, int);
// Creates a mux object from raw data given in WebP RIFF format.
// Parameters:
@@ -160,7 +160,7 @@ static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream,
// or if fourcc corresponds to an image chunk.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxSetChunk(
+WEBP_EXTERN WebPMuxError WebPMuxSetChunk(
WebPMux* mux, const char fourcc[4], const WebPData* chunk_data,
int copy_data);
@@ -176,7 +176,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetChunk(
// or if fourcc corresponds to an image chunk.
// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given id.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxGetChunk(
+WEBP_EXTERN WebPMuxError WebPMuxGetChunk(
const WebPMux* mux, const char fourcc[4], WebPData* chunk_data);
// Deletes the chunk with the given 'fourcc' from the mux object.
@@ -189,7 +189,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetChunk(
// or if fourcc corresponds to an image chunk.
// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given fourcc.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxDeleteChunk(
+WEBP_EXTERN WebPMuxError WebPMuxDeleteChunk(
WebPMux* mux, const char fourcc[4]);
//------------------------------------------------------------------------------
@@ -222,7 +222,7 @@ struct WebPMuxFrameInfo {
// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL or bitstream is NULL.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxSetImage(
+WEBP_EXTERN WebPMuxError WebPMuxSetImage(
WebPMux* mux, const WebPData* bitstream, int copy_data);
// Adds a frame at the end of the mux object.
@@ -241,7 +241,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetImage(
// or if content of 'frame' is invalid.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxPushFrame(
+WEBP_EXTERN WebPMuxError WebPMuxPushFrame(
WebPMux* mux, const WebPMuxFrameInfo* frame, int copy_data);
// Gets the nth frame from the mux object.
@@ -259,7 +259,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxPushFrame(
// WEBP_MUX_BAD_DATA - if nth frame chunk in mux is invalid.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxGetFrame(
+WEBP_EXTERN WebPMuxError WebPMuxGetFrame(
const WebPMux* mux, uint32_t nth, WebPMuxFrameInfo* frame);
// Deletes a frame from the mux object.
@@ -272,7 +272,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetFrame(
// WEBP_MUX_NOT_FOUND - If there are less than nth frames in the mux object
// before deletion.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth);
+WEBP_EXTERN WebPMuxError WebPMuxDeleteFrame(WebPMux* mux, uint32_t nth);
//------------------------------------------------------------------------------
// Animation.
@@ -296,7 +296,7 @@ struct WebPMuxAnimParams {
// WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxSetAnimationParams(
+WEBP_EXTERN WebPMuxError WebPMuxSetAnimationParams(
WebPMux* mux, const WebPMuxAnimParams* params);
// Gets the animation parameters from the mux object.
@@ -307,7 +307,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetAnimationParams(
// WEBP_MUX_INVALID_ARGUMENT - if mux or params is NULL.
// WEBP_MUX_NOT_FOUND - if ANIM chunk is not present in mux object.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxGetAnimationParams(
+WEBP_EXTERN WebPMuxError WebPMuxGetAnimationParams(
const WebPMux* mux, WebPMuxAnimParams* params);
//------------------------------------------------------------------------------
@@ -328,8 +328,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetAnimationParams(
// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL; or
// width or height are invalid or out of bounds
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxSetCanvasSize(WebPMux* mux,
- int width, int height);
+WEBP_EXTERN WebPMuxError WebPMuxSetCanvasSize(WebPMux* mux,
+ int width, int height);
// Gets the canvas size from the mux object.
// Note: This method assumes that the VP8X chunk, if present, is up-to-date.
@@ -343,8 +343,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetCanvasSize(WebPMux* mux,
// WEBP_MUX_INVALID_ARGUMENT - if mux, width or height is NULL.
// WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxGetCanvasSize(const WebPMux* mux,
- int* width, int* height);
+WEBP_EXTERN WebPMuxError WebPMuxGetCanvasSize(const WebPMux* mux,
+ int* width, int* height);
// Gets the feature flags from the mux object.
// Note: This method assumes that the VP8X chunk, if present, is up-to-date.
@@ -359,8 +359,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetCanvasSize(const WebPMux* mux,
// WEBP_MUX_INVALID_ARGUMENT - if mux or flags is NULL.
// WEBP_MUX_BAD_DATA - if VP8X/VP8/VP8L chunk or canvas size is invalid.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxGetFeatures(const WebPMux* mux,
- uint32_t* flags);
+WEBP_EXTERN WebPMuxError WebPMuxGetFeatures(const WebPMux* mux,
+ uint32_t* flags);
// Gets number of chunks with the given 'id' in the mux object.
// Parameters:
@@ -370,8 +370,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetFeatures(const WebPMux* mux,
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if mux, or num_elements is NULL.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxNumChunks(const WebPMux* mux,
- WebPChunkId id, int* num_elements);
+WEBP_EXTERN WebPMuxError WebPMuxNumChunks(const WebPMux* mux,
+ WebPChunkId id, int* num_elements);
// Assembles all chunks in WebP RIFF format and returns in 'assembled_data'.
// This function also validates the mux object.
@@ -388,8 +388,8 @@ WEBP_EXTERN(WebPMuxError) WebPMuxNumChunks(const WebPMux* mux,
// WEBP_MUX_INVALID_ARGUMENT - if mux or assembled_data is NULL.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
-WEBP_EXTERN(WebPMuxError) WebPMuxAssemble(WebPMux* mux,
- WebPData* assembled_data);
+WEBP_EXTERN WebPMuxError WebPMuxAssemble(WebPMux* mux,
+ WebPData* assembled_data);
//------------------------------------------------------------------------------
// WebPAnimEncoder API
@@ -442,7 +442,7 @@ struct WebPAnimEncoderOptions {
};
// Internal, version-checked, entry point.
-WEBP_EXTERN(int) WebPAnimEncoderOptionsInitInternal(
+WEBP_EXTERN int WebPAnimEncoderOptionsInitInternal(
WebPAnimEncoderOptions*, int);
// Should always be called, to initialize a fresh WebPAnimEncoderOptions
@@ -455,7 +455,7 @@ static WEBP_INLINE int WebPAnimEncoderOptionsInit(
}
// Internal, version-checked, entry point.
-WEBP_EXTERN(WebPAnimEncoder*) WebPAnimEncoderNewInternal(
+WEBP_EXTERN WebPAnimEncoder* WebPAnimEncoderNewInternal(
int, int, const WebPAnimEncoderOptions*, int);
// Creates and initializes a WebPAnimEncoder object.
@@ -490,7 +490,7 @@ static WEBP_INLINE WebPAnimEncoder* WebPAnimEncoderNew(
// Returns:
// On error, returns false and frame->error_code is set appropriately.
// Otherwise, returns true.
-WEBP_EXTERN(int) WebPAnimEncoderAdd(
+WEBP_EXTERN int WebPAnimEncoderAdd(
WebPAnimEncoder* enc, struct WebPPicture* frame, int timestamp_ms,
const struct WebPConfig* config);
@@ -503,8 +503,8 @@ WEBP_EXTERN(int) WebPAnimEncoderAdd(
// webp_data - (out) generated WebP bitstream.
// Returns:
// True on success.
-WEBP_EXTERN(int) WebPAnimEncoderAssemble(WebPAnimEncoder* enc,
- WebPData* webp_data);
+WEBP_EXTERN int WebPAnimEncoderAssemble(WebPAnimEncoder* enc,
+ WebPData* webp_data);
// Get error string corresponding to the most recent call using 'enc'. The
// returned string is owned by 'enc' and is valid only until the next call to
@@ -514,12 +514,12 @@ WEBP_EXTERN(int) WebPAnimEncoderAssemble(WebPAnimEncoder* enc,
// Returns:
// NULL if 'enc' is NULL. Otherwise, returns the error string if the last call
// to 'enc' had an error, or an empty string if the last call was a success.
-WEBP_EXTERN(const char*) WebPAnimEncoderGetError(WebPAnimEncoder* enc);
+WEBP_EXTERN const char* WebPAnimEncoderGetError(WebPAnimEncoder* enc);
// Deletes the WebPAnimEncoder object.
// Parameters:
// enc - (in/out) object to be deleted
-WEBP_EXTERN(void) WebPAnimEncoderDelete(WebPAnimEncoder* enc);
+WEBP_EXTERN void WebPAnimEncoderDelete(WebPAnimEncoder* enc);
//------------------------------------------------------------------------------
diff --git a/media/libwebp/webp/types.h b/media/libwebp/webp/types.h
index 98fff35a1..989a763f0 100644
--- a/media/libwebp/webp/types.h
+++ b/media/libwebp/webp/types.h
@@ -40,9 +40,9 @@ typedef long long int int64_t;
// This explicitly marks library functions and allows for changing the
// signature for e.g., Windows DLL builds.
# if defined(__GNUC__) && __GNUC__ >= 4
-# define WEBP_EXTERN(type) extern __attribute__ ((visibility ("default"))) type
+# define WEBP_EXTERN extern __attribute__ ((visibility ("default")))
# else
-# define WEBP_EXTERN(type) extern type
+# define WEBP_EXTERN extern
# endif /* __GNUC__ >= 4 */
#endif /* WEBP_EXTERN */