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authortrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
committertrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
commit68569dee1416593955c1570d638b3d9250b33012 (patch)
treed960f017cd7eba3f125b7e8a813789ee2e076310 /third_party/aom/av1/common/av1_loopfilter.c
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
Diffstat (limited to 'third_party/aom/av1/common/av1_loopfilter.c')
-rw-r--r--third_party/aom/av1/common/av1_loopfilter.c2336
1 files changed, 2336 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/av1_loopfilter.c b/third_party/aom/av1/common/av1_loopfilter.c
new file mode 100644
index 000000000..530871795
--- /dev/null
+++ b/third_party/aom/av1/common/av1_loopfilter.c
@@ -0,0 +1,2336 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <math.h>
+
+#include "./aom_config.h"
+#include "./aom_dsp_rtcd.h"
+#include "av1/common/av1_loopfilter.h"
+#include "av1/common/onyxc_int.h"
+#include "av1/common/reconinter.h"
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/mem.h"
+
+#include "av1/common/seg_common.h"
+
+#define CONFIG_PARALLEL_DEBLOCKING_15TAPLUMAONLY 0
+
+// 64 bit masks for left transform size. Each 1 represents a position where
+// we should apply a loop filter across the left border of an 8x8 block
+// boundary.
+//
+// In the case of TX_16X16-> ( in low order byte first we end up with
+// a mask that looks like this
+//
+// 10101010
+// 10101010
+// 10101010
+// 10101010
+// 10101010
+// 10101010
+// 10101010
+// 10101010
+//
+// A loopfilter should be applied to every other 8x8 horizontally.
+static const uint64_t left_64x64_txform_mask[TX_SIZES] = {
+#if CONFIG_CB4X4
+ 0xffffffffffffffffULL, // TX_2X2
+#endif
+ 0xffffffffffffffffULL, // TX_4X4
+ 0xffffffffffffffffULL, // TX_8x8
+ 0x5555555555555555ULL, // TX_16x16
+ 0x1111111111111111ULL, // TX_32x32
+#if CONFIG_TX64X64
+ 0x0101010101010101ULL, // TX_64x64
+#endif // CONFIG_TX64X64
+};
+
+// 64 bit masks for above transform size. Each 1 represents a position where
+// we should apply a loop filter across the top border of an 8x8 block
+// boundary.
+//
+// In the case of TX_32x32 -> ( in low order byte first we end up with
+// a mask that looks like this
+//
+// 11111111
+// 00000000
+// 00000000
+// 00000000
+// 11111111
+// 00000000
+// 00000000
+// 00000000
+//
+// A loopfilter should be applied to every other 4 the row vertically.
+static const uint64_t above_64x64_txform_mask[TX_SIZES] = {
+#if CONFIG_CB4X4
+ 0xffffffffffffffffULL, // TX_4X4
+#endif
+ 0xffffffffffffffffULL, // TX_4X4
+ 0xffffffffffffffffULL, // TX_8x8
+ 0x00ff00ff00ff00ffULL, // TX_16x16
+ 0x000000ff000000ffULL, // TX_32x32
+#if CONFIG_TX64X64
+ 0x00000000000000ffULL, // TX_64x64
+#endif // CONFIG_TX64X64
+};
+
+// 64 bit masks for prediction sizes (left). Each 1 represents a position
+// where left border of an 8x8 block. These are aligned to the right most
+// appropriate bit, and then shifted into place.
+//
+// In the case of TX_16x32 -> ( low order byte first ) we end up with
+// a mask that looks like this :
+//
+// 10000000
+// 10000000
+// 10000000
+// 10000000
+// 00000000
+// 00000000
+// 00000000
+// 00000000
+static const uint64_t left_prediction_mask[BLOCK_SIZES] = {
+#if CONFIG_CB4X4
+ 0x0000000000000001ULL, // BLOCK_2X2,
+ 0x0000000000000001ULL, // BLOCK_2X4,
+ 0x0000000000000001ULL, // BLOCK_4X2,
+#endif
+ 0x0000000000000001ULL, // BLOCK_4X4,
+ 0x0000000000000001ULL, // BLOCK_4X8,
+ 0x0000000000000001ULL, // BLOCK_8X4,
+ 0x0000000000000001ULL, // BLOCK_8X8,
+ 0x0000000000000101ULL, // BLOCK_8X16,
+ 0x0000000000000001ULL, // BLOCK_16X8,
+ 0x0000000000000101ULL, // BLOCK_16X16,
+ 0x0000000001010101ULL, // BLOCK_16X32,
+ 0x0000000000000101ULL, // BLOCK_32X16,
+ 0x0000000001010101ULL, // BLOCK_32X32,
+ 0x0101010101010101ULL, // BLOCK_32X64,
+ 0x0000000001010101ULL, // BLOCK_64X32,
+ 0x0101010101010101ULL, // BLOCK_64X64
+};
+
+// 64 bit mask to shift and set for each prediction size.
+static const uint64_t above_prediction_mask[BLOCK_SIZES] = {
+#if CONFIG_CB4X4
+ 0x0000000000000001ULL, // BLOCK_2X2
+ 0x0000000000000001ULL, // BLOCK_2X4
+ 0x0000000000000001ULL, // BLOCK_4X2
+#endif
+ 0x0000000000000001ULL, // BLOCK_4X4
+ 0x0000000000000001ULL, // BLOCK_4X8
+ 0x0000000000000001ULL, // BLOCK_8X4
+ 0x0000000000000001ULL, // BLOCK_8X8
+ 0x0000000000000001ULL, // BLOCK_8X16,
+ 0x0000000000000003ULL, // BLOCK_16X8
+ 0x0000000000000003ULL, // BLOCK_16X16
+ 0x0000000000000003ULL, // BLOCK_16X32,
+ 0x000000000000000fULL, // BLOCK_32X16,
+ 0x000000000000000fULL, // BLOCK_32X32,
+ 0x000000000000000fULL, // BLOCK_32X64,
+ 0x00000000000000ffULL, // BLOCK_64X32,
+ 0x00000000000000ffULL, // BLOCK_64X64
+};
+// 64 bit mask to shift and set for each prediction size. A bit is set for
+// each 8x8 block that would be in the left most block of the given block
+// size in the 64x64 block.
+static const uint64_t size_mask[BLOCK_SIZES] = {
+#if CONFIG_CB4X4
+ 0x0000000000000001ULL, // BLOCK_2X2
+ 0x0000000000000001ULL, // BLOCK_2X4
+ 0x0000000000000001ULL, // BLOCK_4X2
+#endif
+ 0x0000000000000001ULL, // BLOCK_4X4
+ 0x0000000000000001ULL, // BLOCK_4X8
+ 0x0000000000000001ULL, // BLOCK_8X4
+ 0x0000000000000001ULL, // BLOCK_8X8
+ 0x0000000000000101ULL, // BLOCK_8X16,
+ 0x0000000000000003ULL, // BLOCK_16X8
+ 0x0000000000000303ULL, // BLOCK_16X16
+ 0x0000000003030303ULL, // BLOCK_16X32,
+ 0x0000000000000f0fULL, // BLOCK_32X16,
+ 0x000000000f0f0f0fULL, // BLOCK_32X32,
+ 0x0f0f0f0f0f0f0f0fULL, // BLOCK_32X64,
+ 0x00000000ffffffffULL, // BLOCK_64X32,
+ 0xffffffffffffffffULL, // BLOCK_64X64
+};
+
+// These are used for masking the left and above 32x32 borders.
+static const uint64_t left_border = 0x1111111111111111ULL;
+static const uint64_t above_border = 0x000000ff000000ffULL;
+
+// 16 bit masks for uv transform sizes.
+static const uint16_t left_64x64_txform_mask_uv[TX_SIZES] = {
+#if CONFIG_CB4X4
+ 0xffff, // TX_2X2
+#endif
+ 0xffff, // TX_4X4
+ 0xffff, // TX_8x8
+ 0x5555, // TX_16x16
+ 0x1111, // TX_32x32
+#if CONFIG_TX64X64
+ 0x0101, // TX_64x64, never used
+#endif // CONFIG_TX64X64
+};
+
+static const uint16_t above_64x64_txform_mask_uv[TX_SIZES] = {
+#if CONFIG_CB4X4
+ 0xffff, // TX_2X2
+#endif
+ 0xffff, // TX_4X4
+ 0xffff, // TX_8x8
+ 0x0f0f, // TX_16x16
+ 0x000f, // TX_32x32
+#if CONFIG_TX64X64
+ 0x0003, // TX_64x64, never used
+#endif // CONFIG_TX64X64
+};
+
+// 16 bit left mask to shift and set for each uv prediction size.
+static const uint16_t left_prediction_mask_uv[BLOCK_SIZES] = {
+#if CONFIG_CB4X4
+ 0x0001, // BLOCK_2X2,
+ 0x0001, // BLOCK_2X4,
+ 0x0001, // BLOCK_4X2,
+#endif
+ 0x0001, // BLOCK_4X4,
+ 0x0001, // BLOCK_4X8,
+ 0x0001, // BLOCK_8X4,
+ 0x0001, // BLOCK_8X8,
+ 0x0001, // BLOCK_8X16,
+ 0x0001, // BLOCK_16X8,
+ 0x0001, // BLOCK_16X16,
+ 0x0011, // BLOCK_16X32,
+ 0x0001, // BLOCK_32X16,
+ 0x0011, // BLOCK_32X32,
+ 0x1111, // BLOCK_32X64
+ 0x0011, // BLOCK_64X32,
+ 0x1111, // BLOCK_64X64
+};
+// 16 bit above mask to shift and set for uv each prediction size.
+static const uint16_t above_prediction_mask_uv[BLOCK_SIZES] = {
+#if CONFIG_CB4X4
+ 0x0001, // BLOCK_2X2
+ 0x0001, // BLOCK_2X4
+ 0x0001, // BLOCK_4X2
+#endif
+ 0x0001, // BLOCK_4X4
+ 0x0001, // BLOCK_4X8
+ 0x0001, // BLOCK_8X4
+ 0x0001, // BLOCK_8X8
+ 0x0001, // BLOCK_8X16,
+ 0x0001, // BLOCK_16X8
+ 0x0001, // BLOCK_16X16
+ 0x0001, // BLOCK_16X32,
+ 0x0003, // BLOCK_32X16,
+ 0x0003, // BLOCK_32X32,
+ 0x0003, // BLOCK_32X64,
+ 0x000f, // BLOCK_64X32,
+ 0x000f, // BLOCK_64X64
+};
+
+// 64 bit mask to shift and set for each uv prediction size
+static const uint16_t size_mask_uv[BLOCK_SIZES] = {
+#if CONFIG_CB4X4
+ 0x0001, // BLOCK_2X2
+ 0x0001, // BLOCK_2X4
+ 0x0001, // BLOCK_4X2
+#endif
+ 0x0001, // BLOCK_4X4
+ 0x0001, // BLOCK_4X8
+ 0x0001, // BLOCK_8X4
+ 0x0001, // BLOCK_8X8
+ 0x0001, // BLOCK_8X16,
+ 0x0001, // BLOCK_16X8
+ 0x0001, // BLOCK_16X16
+ 0x0011, // BLOCK_16X32,
+ 0x0003, // BLOCK_32X16,
+ 0x0033, // BLOCK_32X32,
+ 0x3333, // BLOCK_32X64,
+ 0x00ff, // BLOCK_64X32,
+ 0xffff, // BLOCK_64X64
+};
+static const uint16_t left_border_uv = 0x1111;
+static const uint16_t above_border_uv = 0x000f;
+
+static const int mode_lf_lut[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // INTRA_MODES
+#if CONFIG_ALT_INTRA
+ 0,
+#endif
+ 1, 1, 0, 1, // INTER_MODES (ZEROMV == 0)
+#if CONFIG_EXT_INTER
+ 1, 1, 1, 1, 1, 1, 1, 1, 0, 1 // INTER_COMPOUND_MODES (ZERO_ZEROMV == 0)
+#endif // CONFIG_EXT_INTER
+};
+
+static void update_sharpness(loop_filter_info_n *lfi, int sharpness_lvl) {
+ int lvl;
+
+ // For each possible value for the loop filter fill out limits
+ for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++) {
+ // Set loop filter parameters that control sharpness.
+ int block_inside_limit = lvl >> ((sharpness_lvl > 0) + (sharpness_lvl > 4));
+
+ if (sharpness_lvl > 0) {
+ if (block_inside_limit > (9 - sharpness_lvl))
+ block_inside_limit = (9 - sharpness_lvl);
+ }
+
+ if (block_inside_limit < 1) block_inside_limit = 1;
+
+ memset(lfi->lfthr[lvl].lim, block_inside_limit, SIMD_WIDTH);
+ memset(lfi->lfthr[lvl].mblim, (2 * (lvl + 2) + block_inside_limit),
+ SIMD_WIDTH);
+ }
+}
+#if CONFIG_EXT_DELTA_Q
+static uint8_t get_filter_level(const AV1_COMMON *cm,
+ const loop_filter_info_n *lfi_n,
+ const MB_MODE_INFO *mbmi) {
+#if CONFIG_SUPERTX
+ const int segment_id = AOMMIN(mbmi->segment_id, mbmi->segment_id_supertx);
+ assert(
+ IMPLIES(supertx_enabled(mbmi), mbmi->segment_id_supertx != MAX_SEGMENTS));
+ assert(IMPLIES(supertx_enabled(mbmi),
+ mbmi->segment_id_supertx <= mbmi->segment_id));
+#else
+ const int segment_id = mbmi->segment_id;
+#endif // CONFIG_SUPERTX
+ if (cm->delta_lf_present_flag) {
+ int lvl_seg = clamp(mbmi->current_delta_lf_from_base + cm->lf.filter_level,
+ 0, MAX_LOOP_FILTER);
+ const int scale = 1 << (lvl_seg >> 5);
+ if (segfeature_active(&cm->seg, segment_id, SEG_LVL_ALT_LF)) {
+ const int data = get_segdata(&cm->seg, segment_id, SEG_LVL_ALT_LF);
+ lvl_seg =
+ clamp(cm->seg.abs_delta == SEGMENT_ABSDATA ? data : lvl_seg + data, 0,
+ MAX_LOOP_FILTER);
+ }
+
+ if (cm->lf.mode_ref_delta_enabled) {
+ lvl_seg += cm->lf.ref_deltas[mbmi->ref_frame[0]] * scale;
+ if (mbmi->ref_frame[0] > INTRA_FRAME)
+ lvl_seg += cm->lf.mode_deltas[mode_lf_lut[mbmi->mode]] * scale;
+ lvl_seg = clamp(lvl_seg, 0, MAX_LOOP_FILTER);
+ }
+ return lvl_seg;
+ } else {
+ return lfi_n->lvl[segment_id][mbmi->ref_frame[0]][mode_lf_lut[mbmi->mode]];
+ }
+}
+#else
+static uint8_t get_filter_level(const loop_filter_info_n *lfi_n,
+ const MB_MODE_INFO *mbmi) {
+#if CONFIG_SUPERTX
+ const int segment_id = AOMMIN(mbmi->segment_id, mbmi->segment_id_supertx);
+ assert(
+ IMPLIES(supertx_enabled(mbmi), mbmi->segment_id_supertx != MAX_SEGMENTS));
+ assert(IMPLIES(supertx_enabled(mbmi),
+ mbmi->segment_id_supertx <= mbmi->segment_id));
+#else
+ const int segment_id = mbmi->segment_id;
+#endif // CONFIG_SUPERTX
+ return lfi_n->lvl[segment_id][mbmi->ref_frame[0]][mode_lf_lut[mbmi->mode]];
+}
+#endif
+
+#define NELEMENTS(x) (sizeof((x)) / sizeof((x)[0]))
+
+void av1_loop_filter_init(AV1_COMMON *cm) {
+ assert(MB_MODE_COUNT == NELEMENTS(mode_lf_lut));
+ loop_filter_info_n *lfi = &cm->lf_info;
+ struct loopfilter *lf = &cm->lf;
+ int lvl;
+
+ // init limits for given sharpness
+ update_sharpness(lfi, lf->sharpness_level);
+ lf->last_sharpness_level = lf->sharpness_level;
+
+ // init hev threshold const vectors
+ for (lvl = 0; lvl <= MAX_LOOP_FILTER; lvl++)
+ memset(lfi->lfthr[lvl].hev_thr, (lvl >> 4), SIMD_WIDTH);
+}
+
+void av1_loop_filter_frame_init(AV1_COMMON *cm, int default_filt_lvl) {
+ int seg_id;
+ // n_shift is the multiplier for lf_deltas
+ // the multiplier is 1 for when filter_lvl is between 0 and 31;
+ // 2 when filter_lvl is between 32 and 63
+ const int scale = 1 << (default_filt_lvl >> 5);
+ loop_filter_info_n *const lfi = &cm->lf_info;
+ struct loopfilter *const lf = &cm->lf;
+ const struct segmentation *const seg = &cm->seg;
+
+ // update limits if sharpness has changed
+ if (lf->last_sharpness_level != lf->sharpness_level) {
+ update_sharpness(lfi, lf->sharpness_level);
+ lf->last_sharpness_level = lf->sharpness_level;
+ }
+
+ for (seg_id = 0; seg_id < MAX_SEGMENTS; seg_id++) {
+ int lvl_seg = default_filt_lvl;
+ if (segfeature_active(seg, seg_id, SEG_LVL_ALT_LF)) {
+ const int data = get_segdata(seg, seg_id, SEG_LVL_ALT_LF);
+ lvl_seg = clamp(
+ seg->abs_delta == SEGMENT_ABSDATA ? data : default_filt_lvl + data, 0,
+ MAX_LOOP_FILTER);
+ }
+
+ if (!lf->mode_ref_delta_enabled) {
+ // we could get rid of this if we assume that deltas are set to
+ // zero when not in use; encoder always uses deltas
+ memset(lfi->lvl[seg_id], lvl_seg, sizeof(lfi->lvl[seg_id]));
+ } else {
+ int ref, mode;
+ const int intra_lvl = lvl_seg + lf->ref_deltas[INTRA_FRAME] * scale;
+ lfi->lvl[seg_id][INTRA_FRAME][0] = clamp(intra_lvl, 0, MAX_LOOP_FILTER);
+
+ for (ref = LAST_FRAME; ref < TOTAL_REFS_PER_FRAME; ++ref) {
+ for (mode = 0; mode < MAX_MODE_LF_DELTAS; ++mode) {
+ const int inter_lvl = lvl_seg + lf->ref_deltas[ref] * scale +
+ lf->mode_deltas[mode] * scale;
+ lfi->lvl[seg_id][ref][mode] = clamp(inter_lvl, 0, MAX_LOOP_FILTER);
+ }
+ }
+ }
+ }
+}
+
+static void filter_selectively_vert_row2(int subsampling_factor, uint8_t *s,
+ int pitch, unsigned int mask_16x16_l,
+ unsigned int mask_8x8_l,
+ unsigned int mask_4x4_l,
+ unsigned int mask_4x4_int_l,
+ const loop_filter_info_n *lfi_n,
+ const uint8_t *lfl) {
+ const int mask_shift = subsampling_factor ? 4 : 8;
+ const int mask_cutoff = subsampling_factor ? 0xf : 0xff;
+ const int lfl_forward = subsampling_factor ? 4 : 8;
+
+ unsigned int mask_16x16_0 = mask_16x16_l & mask_cutoff;
+ unsigned int mask_8x8_0 = mask_8x8_l & mask_cutoff;
+ unsigned int mask_4x4_0 = mask_4x4_l & mask_cutoff;
+ unsigned int mask_4x4_int_0 = mask_4x4_int_l & mask_cutoff;
+ unsigned int mask_16x16_1 = (mask_16x16_l >> mask_shift) & mask_cutoff;
+ unsigned int mask_8x8_1 = (mask_8x8_l >> mask_shift) & mask_cutoff;
+ unsigned int mask_4x4_1 = (mask_4x4_l >> mask_shift) & mask_cutoff;
+ unsigned int mask_4x4_int_1 = (mask_4x4_int_l >> mask_shift) & mask_cutoff;
+ unsigned int mask;
+
+ for (mask = mask_16x16_0 | mask_8x8_0 | mask_4x4_0 | mask_4x4_int_0 |
+ mask_16x16_1 | mask_8x8_1 | mask_4x4_1 | mask_4x4_int_1;
+ mask; mask >>= 1) {
+ const loop_filter_thresh *lfi0 = lfi_n->lfthr + *lfl;
+ const loop_filter_thresh *lfi1 = lfi_n->lfthr + *(lfl + lfl_forward);
+
+ if (mask & 1) {
+ if ((mask_16x16_0 | mask_16x16_1) & 1) {
+ if ((mask_16x16_0 & mask_16x16_1) & 1) {
+ aom_lpf_vertical_16_dual(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr);
+ } else if (mask_16x16_0 & 1) {
+ aom_lpf_vertical_16(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr);
+ } else {
+ aom_lpf_vertical_16(s + 8 * pitch, pitch, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ }
+ }
+
+ if ((mask_8x8_0 | mask_8x8_1) & 1) {
+ if ((mask_8x8_0 & mask_8x8_1) & 1) {
+ aom_lpf_vertical_8_dual(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ } else if (mask_8x8_0 & 1) {
+ aom_lpf_vertical_8(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr);
+ } else {
+ aom_lpf_vertical_8(s + 8 * pitch, pitch, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ }
+ }
+
+ if ((mask_4x4_0 | mask_4x4_1) & 1) {
+ if ((mask_4x4_0 & mask_4x4_1) & 1) {
+ aom_lpf_vertical_4_dual(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ } else if (mask_4x4_0 & 1) {
+ aom_lpf_vertical_4(s, pitch, lfi0->mblim, lfi0->lim, lfi0->hev_thr);
+ } else {
+ aom_lpf_vertical_4(s + 8 * pitch, pitch, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ }
+ }
+
+ if ((mask_4x4_int_0 | mask_4x4_int_1) & 1) {
+ if ((mask_4x4_int_0 & mask_4x4_int_1) & 1) {
+ aom_lpf_vertical_4_dual(s + 4, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ } else if (mask_4x4_int_0 & 1) {
+ aom_lpf_vertical_4(s + 4, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr);
+ } else {
+ aom_lpf_vertical_4(s + 8 * pitch + 4, pitch, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr);
+ }
+ }
+ }
+
+ s += 8;
+ lfl += 1;
+ mask_16x16_0 >>= 1;
+ mask_8x8_0 >>= 1;
+ mask_4x4_0 >>= 1;
+ mask_4x4_int_0 >>= 1;
+ mask_16x16_1 >>= 1;
+ mask_8x8_1 >>= 1;
+ mask_4x4_1 >>= 1;
+ mask_4x4_int_1 >>= 1;
+ }
+}
+
+#if CONFIG_HIGHBITDEPTH
+static void highbd_filter_selectively_vert_row2(
+ int subsampling_factor, uint16_t *s, int pitch, unsigned int mask_16x16_l,
+ unsigned int mask_8x8_l, unsigned int mask_4x4_l,
+ unsigned int mask_4x4_int_l, const loop_filter_info_n *lfi_n,
+ const uint8_t *lfl, int bd) {
+ const int mask_shift = subsampling_factor ? 4 : 8;
+ const int mask_cutoff = subsampling_factor ? 0xf : 0xff;
+ const int lfl_forward = subsampling_factor ? 4 : 8;
+
+ unsigned int mask_16x16_0 = mask_16x16_l & mask_cutoff;
+ unsigned int mask_8x8_0 = mask_8x8_l & mask_cutoff;
+ unsigned int mask_4x4_0 = mask_4x4_l & mask_cutoff;
+ unsigned int mask_4x4_int_0 = mask_4x4_int_l & mask_cutoff;
+ unsigned int mask_16x16_1 = (mask_16x16_l >> mask_shift) & mask_cutoff;
+ unsigned int mask_8x8_1 = (mask_8x8_l >> mask_shift) & mask_cutoff;
+ unsigned int mask_4x4_1 = (mask_4x4_l >> mask_shift) & mask_cutoff;
+ unsigned int mask_4x4_int_1 = (mask_4x4_int_l >> mask_shift) & mask_cutoff;
+ unsigned int mask;
+
+ for (mask = mask_16x16_0 | mask_8x8_0 | mask_4x4_0 | mask_4x4_int_0 |
+ mask_16x16_1 | mask_8x8_1 | mask_4x4_1 | mask_4x4_int_1;
+ mask; mask >>= 1) {
+ const loop_filter_thresh *lfi0 = lfi_n->lfthr + *lfl;
+ const loop_filter_thresh *lfi1 = lfi_n->lfthr + *(lfl + lfl_forward);
+
+ if (mask & 1) {
+ if ((mask_16x16_0 | mask_16x16_1) & 1) {
+ if ((mask_16x16_0 & mask_16x16_1) & 1) {
+ aom_highbd_lpf_vertical_16_dual(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, bd);
+ } else if (mask_16x16_0 & 1) {
+ aom_highbd_lpf_vertical_16(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, bd);
+ } else {
+ aom_highbd_lpf_vertical_16(s + 8 * pitch, pitch, lfi1->mblim,
+ lfi1->lim, lfi1->hev_thr, bd);
+ }
+ }
+
+ if ((mask_8x8_0 | mask_8x8_1) & 1) {
+ if ((mask_8x8_0 & mask_8x8_1) & 1) {
+ aom_highbd_lpf_vertical_8_dual(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr, bd);
+ } else if (mask_8x8_0 & 1) {
+ aom_highbd_lpf_vertical_8(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, bd);
+ } else {
+ aom_highbd_lpf_vertical_8(s + 8 * pitch, pitch, lfi1->mblim,
+ lfi1->lim, lfi1->hev_thr, bd);
+ }
+ }
+
+ if ((mask_4x4_0 | mask_4x4_1) & 1) {
+ if ((mask_4x4_0 & mask_4x4_1) & 1) {
+ aom_highbd_lpf_vertical_4_dual(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr, bd);
+ } else if (mask_4x4_0 & 1) {
+ aom_highbd_lpf_vertical_4(s, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, bd);
+ } else {
+ aom_highbd_lpf_vertical_4(s + 8 * pitch, pitch, lfi1->mblim,
+ lfi1->lim, lfi1->hev_thr, bd);
+ }
+ }
+
+ if ((mask_4x4_int_0 | mask_4x4_int_1) & 1) {
+ if ((mask_4x4_int_0 & mask_4x4_int_1) & 1) {
+ aom_highbd_lpf_vertical_4_dual(s + 4, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, lfi1->mblim, lfi1->lim,
+ lfi1->hev_thr, bd);
+ } else if (mask_4x4_int_0 & 1) {
+ aom_highbd_lpf_vertical_4(s + 4, pitch, lfi0->mblim, lfi0->lim,
+ lfi0->hev_thr, bd);
+ } else {
+ aom_highbd_lpf_vertical_4(s + 8 * pitch + 4, pitch, lfi1->mblim,
+ lfi1->lim, lfi1->hev_thr, bd);
+ }
+ }
+ }
+
+ s += 8;
+ lfl += 1;
+ mask_16x16_0 >>= 1;
+ mask_8x8_0 >>= 1;
+ mask_4x4_0 >>= 1;
+ mask_4x4_int_0 >>= 1;
+ mask_16x16_1 >>= 1;
+ mask_8x8_1 >>= 1;
+ mask_4x4_1 >>= 1;
+ mask_4x4_int_1 >>= 1;
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+
+static void filter_selectively_horiz(
+ uint8_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
+ unsigned int mask_4x4, unsigned int mask_4x4_int,
+ const loop_filter_info_n *lfi_n, const uint8_t *lfl) {
+ unsigned int mask;
+ int count;
+
+ for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
+ mask >>= count) {
+ const loop_filter_thresh *lfi = lfi_n->lfthr + *lfl;
+
+ count = 1;
+ if (mask & 1) {
+ if (mask_16x16 & 1) {
+ if ((mask_16x16 & 3) == 3) {
+ aom_lpf_horizontal_edge_16(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ count = 2;
+ } else {
+ aom_lpf_horizontal_edge_8(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ }
+ } else if (mask_8x8 & 1) {
+ if ((mask_8x8 & 3) == 3) {
+ // Next block's thresholds.
+ const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + 1);
+
+ aom_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, lfin->mblim, lfin->lim,
+ lfin->hev_thr);
+
+ if ((mask_4x4_int & 3) == 3) {
+ aom_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim,
+ lfi->lim, lfi->hev_thr, lfin->mblim,
+ lfin->lim, lfin->hev_thr);
+ } else {
+ if (mask_4x4_int & 1)
+ aom_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ else if (mask_4x4_int & 2)
+ aom_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
+ lfin->lim, lfin->hev_thr);
+ }
+ count = 2;
+ } else {
+ aom_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
+
+ if (mask_4x4_int & 1)
+ aom_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ }
+ } else if (mask_4x4 & 1) {
+ if ((mask_4x4 & 3) == 3) {
+ // Next block's thresholds.
+ const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + 1);
+
+ aom_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, lfin->mblim, lfin->lim,
+ lfin->hev_thr);
+ if ((mask_4x4_int & 3) == 3) {
+ aom_lpf_horizontal_4_dual(s + 4 * pitch, pitch, lfi->mblim,
+ lfi->lim, lfi->hev_thr, lfin->mblim,
+ lfin->lim, lfin->hev_thr);
+ } else {
+ if (mask_4x4_int & 1)
+ aom_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ else if (mask_4x4_int & 2)
+ aom_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
+ lfin->lim, lfin->hev_thr);
+ }
+ count = 2;
+ } else {
+ aom_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
+
+ if (mask_4x4_int & 1)
+ aom_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ }
+ } else if (mask_4x4_int & 1) {
+ aom_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr);
+ }
+ }
+ s += 8 * count;
+ lfl += count;
+ mask_16x16 >>= count;
+ mask_8x8 >>= count;
+ mask_4x4 >>= count;
+ mask_4x4_int >>= count;
+ }
+}
+
+#if CONFIG_HIGHBITDEPTH
+static void highbd_filter_selectively_horiz(
+ uint16_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
+ unsigned int mask_4x4, unsigned int mask_4x4_int,
+ const loop_filter_info_n *lfi_n, const uint8_t *lfl, int bd) {
+ unsigned int mask;
+ int count;
+
+ for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
+ mask >>= count) {
+ const loop_filter_thresh *lfi = lfi_n->lfthr + *lfl;
+
+ count = 1;
+ if (mask & 1) {
+ if (mask_16x16 & 1) {
+ if ((mask_16x16 & 3) == 3) {
+ aom_highbd_lpf_horizontal_edge_16(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, bd);
+ count = 2;
+ } else {
+ aom_highbd_lpf_horizontal_edge_8(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, bd);
+ }
+ } else if (mask_8x8 & 1) {
+ if ((mask_8x8 & 3) == 3) {
+ // Next block's thresholds.
+ const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + 1);
+
+ aom_highbd_lpf_horizontal_8_dual(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, lfin->mblim, lfin->lim,
+ lfin->hev_thr, bd);
+
+ if ((mask_4x4_int & 3) == 3) {
+ aom_highbd_lpf_horizontal_4_dual(
+ s + 4 * pitch, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
+ lfin->mblim, lfin->lim, lfin->hev_thr, bd);
+ } else {
+ if (mask_4x4_int & 1) {
+ aom_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
+ lfi->lim, lfi->hev_thr, bd);
+ } else if (mask_4x4_int & 2) {
+ aom_highbd_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
+ lfin->lim, lfin->hev_thr, bd);
+ }
+ }
+ count = 2;
+ } else {
+ aom_highbd_lpf_horizontal_8(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, bd);
+
+ if (mask_4x4_int & 1) {
+ aom_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
+ lfi->lim, lfi->hev_thr, bd);
+ }
+ }
+ } else if (mask_4x4 & 1) {
+ if ((mask_4x4 & 3) == 3) {
+ // Next block's thresholds.
+ const loop_filter_thresh *lfin = lfi_n->lfthr + *(lfl + 1);
+
+ aom_highbd_lpf_horizontal_4_dual(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, lfin->mblim, lfin->lim,
+ lfin->hev_thr, bd);
+ if ((mask_4x4_int & 3) == 3) {
+ aom_highbd_lpf_horizontal_4_dual(
+ s + 4 * pitch, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
+ lfin->mblim, lfin->lim, lfin->hev_thr, bd);
+ } else {
+ if (mask_4x4_int & 1) {
+ aom_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
+ lfi->lim, lfi->hev_thr, bd);
+ } else if (mask_4x4_int & 2) {
+ aom_highbd_lpf_horizontal_4(s + 8 + 4 * pitch, pitch, lfin->mblim,
+ lfin->lim, lfin->hev_thr, bd);
+ }
+ }
+ count = 2;
+ } else {
+ aom_highbd_lpf_horizontal_4(s, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, bd);
+
+ if (mask_4x4_int & 1) {
+ aom_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim,
+ lfi->lim, lfi->hev_thr, bd);
+ }
+ }
+ } else if (mask_4x4_int & 1) {
+ aom_highbd_lpf_horizontal_4(s + 4 * pitch, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, bd);
+ }
+ }
+ s += 8 * count;
+ lfl += count;
+ mask_16x16 >>= count;
+ mask_8x8 >>= count;
+ mask_4x4 >>= count;
+ mask_4x4_int >>= count;
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+
+// This function ors into the current lfm structure, where to do loop
+// filters for the specific mi we are looking at. It uses information
+// including the block_size_type (32x16, 32x32, etc.), the transform size,
+// whether there were any coefficients encoded, and the loop filter strength
+// block we are currently looking at. Shift is used to position the
+// 1's we produce.
+// TODO(JBB) Need another function for different resolution color..
+static void build_masks(AV1_COMMON *const cm,
+ const loop_filter_info_n *const lfi_n,
+ const MODE_INFO *mi, const int shift_y,
+ const int shift_uv, LOOP_FILTER_MASK *lfm) {
+ const MB_MODE_INFO *mbmi = &mi->mbmi;
+ const BLOCK_SIZE block_size = mbmi->sb_type;
+ // TODO(debargha): Check if masks can be setup correctly when
+ // rectangular transfroms are used with the EXT_TX expt.
+ const TX_SIZE tx_size_y = txsize_sqr_map[mbmi->tx_size];
+ const TX_SIZE tx_size_y_left = txsize_horz_map[mbmi->tx_size];
+ const TX_SIZE tx_size_y_above = txsize_vert_map[mbmi->tx_size];
+ const TX_SIZE tx_size_uv =
+ txsize_sqr_map[uv_txsize_lookup[block_size][mbmi->tx_size][1][1]];
+ const TX_SIZE tx_size_uv_left =
+ txsize_horz_map[uv_txsize_lookup[block_size][mbmi->tx_size][1][1]];
+ const TX_SIZE tx_size_uv_above =
+ txsize_vert_map[uv_txsize_lookup[block_size][mbmi->tx_size][1][1]];
+#if CONFIG_EXT_DELTA_Q
+ const int filter_level = get_filter_level(cm, lfi_n, mbmi);
+#else
+ const int filter_level = get_filter_level(lfi_n, mbmi);
+ (void)cm;
+#endif
+ uint64_t *const left_y = &lfm->left_y[tx_size_y_left];
+ uint64_t *const above_y = &lfm->above_y[tx_size_y_above];
+ uint64_t *const int_4x4_y = &lfm->int_4x4_y;
+ uint16_t *const left_uv = &lfm->left_uv[tx_size_uv_left];
+ uint16_t *const above_uv = &lfm->above_uv[tx_size_uv_above];
+ uint16_t *const int_4x4_uv = &lfm->left_int_4x4_uv;
+ int i;
+
+ // If filter level is 0 we don't loop filter.
+ if (!filter_level) {
+ return;
+ } else {
+ const int w = num_8x8_blocks_wide_lookup[block_size];
+ const int h = num_8x8_blocks_high_lookup[block_size];
+ const int row = (shift_y >> MAX_MIB_SIZE_LOG2);
+ const int col = shift_y - (row << MAX_MIB_SIZE_LOG2);
+
+ for (i = 0; i < h; i++) memset(&lfm->lfl_y[row + i][col], filter_level, w);
+ }
+
+ // These set 1 in the current block size for the block size edges.
+ // For instance if the block size is 32x16, we'll set:
+ // above = 1111
+ // 0000
+ // and
+ // left = 1000
+ // = 1000
+ // NOTE : In this example the low bit is left most ( 1000 ) is stored as
+ // 1, not 8...
+ //
+ // U and V set things on a 16 bit scale.
+ //
+ *above_y |= above_prediction_mask[block_size] << shift_y;
+ *above_uv |= above_prediction_mask_uv[block_size] << shift_uv;
+ *left_y |= left_prediction_mask[block_size] << shift_y;
+ *left_uv |= left_prediction_mask_uv[block_size] << shift_uv;
+
+ // If the block has no coefficients and is not intra we skip applying
+ // the loop filter on block edges.
+ if (mbmi->skip && is_inter_block(mbmi)) return;
+
+ // Here we are adding a mask for the transform size. The transform
+ // size mask is set to be correct for a 64x64 prediction block size. We
+ // mask to match the size of the block we are working on and then shift it
+ // into place..
+ *above_y |= (size_mask[block_size] & above_64x64_txform_mask[tx_size_y_above])
+ << shift_y;
+ *above_uv |=
+ (size_mask_uv[block_size] & above_64x64_txform_mask_uv[tx_size_uv_above])
+ << shift_uv;
+
+ *left_y |= (size_mask[block_size] & left_64x64_txform_mask[tx_size_y_left])
+ << shift_y;
+ *left_uv |=
+ (size_mask_uv[block_size] & left_64x64_txform_mask_uv[tx_size_uv_left])
+ << shift_uv;
+
+ // Here we are trying to determine what to do with the internal 4x4 block
+ // boundaries. These differ from the 4x4 boundaries on the outside edge of
+ // an 8x8 in that the internal ones can be skipped and don't depend on
+ // the prediction block size.
+ if (tx_size_y == TX_4X4)
+ *int_4x4_y |= (size_mask[block_size] & 0xffffffffffffffffULL) << shift_y;
+
+ if (tx_size_uv == TX_4X4)
+ *int_4x4_uv |= (size_mask_uv[block_size] & 0xffff) << shift_uv;
+}
+
+// This function does the same thing as the one above with the exception that
+// it only affects the y masks. It exists because for blocks < 16x16 in size,
+// we only update u and v masks on the first block.
+static void build_y_mask(AV1_COMMON *const cm,
+ const loop_filter_info_n *const lfi_n,
+ const MODE_INFO *mi, const int shift_y,
+#if CONFIG_SUPERTX
+ int supertx_enabled,
+#endif // CONFIG_SUPERTX
+ LOOP_FILTER_MASK *lfm) {
+ const MB_MODE_INFO *mbmi = &mi->mbmi;
+ const TX_SIZE tx_size_y = txsize_sqr_map[mbmi->tx_size];
+ const TX_SIZE tx_size_y_left = txsize_horz_map[mbmi->tx_size];
+ const TX_SIZE tx_size_y_above = txsize_vert_map[mbmi->tx_size];
+#if CONFIG_SUPERTX
+ const BLOCK_SIZE block_size =
+ supertx_enabled ? (BLOCK_SIZE)(3 * tx_size_y) : mbmi->sb_type;
+#else
+ const BLOCK_SIZE block_size = mbmi->sb_type;
+#endif
+#if CONFIG_EXT_DELTA_Q
+ const int filter_level = get_filter_level(cm, lfi_n, mbmi);
+#else
+ const int filter_level = get_filter_level(lfi_n, mbmi);
+ (void)cm;
+#endif
+ uint64_t *const left_y = &lfm->left_y[tx_size_y_left];
+ uint64_t *const above_y = &lfm->above_y[tx_size_y_above];
+ uint64_t *const int_4x4_y = &lfm->int_4x4_y;
+ int i;
+
+ if (!filter_level) {
+ return;
+ } else {
+ const int w = num_8x8_blocks_wide_lookup[block_size];
+ const int h = num_8x8_blocks_high_lookup[block_size];
+ const int row = (shift_y >> MAX_MIB_SIZE_LOG2);
+ const int col = shift_y - (row << MAX_MIB_SIZE_LOG2);
+
+ for (i = 0; i < h; i++) memset(&lfm->lfl_y[row + i][col], filter_level, w);
+ }
+
+ *above_y |= above_prediction_mask[block_size] << shift_y;
+ *left_y |= left_prediction_mask[block_size] << shift_y;
+
+ if (mbmi->skip && is_inter_block(mbmi)) return;
+
+ *above_y |= (size_mask[block_size] & above_64x64_txform_mask[tx_size_y_above])
+ << shift_y;
+
+ *left_y |= (size_mask[block_size] & left_64x64_txform_mask[tx_size_y_left])
+ << shift_y;
+
+ if (tx_size_y == TX_4X4)
+ *int_4x4_y |= (size_mask[block_size] & 0xffffffffffffffffULL) << shift_y;
+}
+
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+// This function update the bit masks for the entire 64x64 region represented
+// by mi_row, mi_col. In case one of the edge is a tile boundary, loop filtering
+// for that edge is disabled. This function only check the tile boundary info
+// for the top left corner mi to determine the boundary information for the
+// top and left edge of the whole super block
+static void update_tile_boundary_filter_mask(AV1_COMMON *const cm,
+ const int mi_row, const int mi_col,
+ LOOP_FILTER_MASK *lfm) {
+ int i;
+ MODE_INFO *const mi = cm->mi + mi_row * cm->mi_stride + mi_col;
+
+ if (mi->mbmi.boundary_info & TILE_LEFT_BOUNDARY) {
+ for (i = 0; i <= TX_32X32; i++) {
+ lfm->left_y[i] &= 0xfefefefefefefefeULL;
+ lfm->left_uv[i] &= 0xeeee;
+ }
+ }
+
+ if (mi->mbmi.boundary_info & TILE_ABOVE_BOUNDARY) {
+ for (i = 0; i <= TX_32X32; i++) {
+ lfm->above_y[i] &= 0xffffffffffffff00ULL;
+ lfm->above_uv[i] &= 0xfff0;
+ }
+ }
+}
+#endif // CONFIG_LOOPFILTERING_ACROSS_TILES
+
+// This function sets up the bit masks for the entire 64x64 region represented
+// by mi_row, mi_col.
+// TODO(JBB): This function only works for yv12.
+void av1_setup_mask(AV1_COMMON *const cm, const int mi_row, const int mi_col,
+ MODE_INFO **mi, const int mode_info_stride,
+ LOOP_FILTER_MASK *lfm) {
+ int idx_32, idx_16, idx_8;
+ const loop_filter_info_n *const lfi_n = &cm->lf_info;
+ MODE_INFO **mip = mi;
+ MODE_INFO **mip2 = mi;
+
+ // These are offsets to the next mi in the 64x64 block. It is what gets
+ // added to the mi ptr as we go through each loop. It helps us to avoid
+ // setting up special row and column counters for each index. The last step
+ // brings us out back to the starting position.
+ const int offset_32[] = { 4, (mode_info_stride << 2) - 4, 4,
+ -(mode_info_stride << 2) - 4 };
+ const int offset_16[] = { 2, (mode_info_stride << 1) - 2, 2,
+ -(mode_info_stride << 1) - 2 };
+ const int offset[] = { 1, mode_info_stride - 1, 1, -mode_info_stride - 1 };
+
+ // Following variables represent shifts to position the current block
+ // mask over the appropriate block. A shift of 36 to the left will move
+ // the bits for the final 32 by 32 block in the 64x64 up 4 rows and left
+ // 4 rows to the appropriate spot.
+ const int shift_32_y[] = { 0, 4, 32, 36 };
+ const int shift_16_y[] = { 0, 2, 16, 18 };
+ const int shift_8_y[] = { 0, 1, 8, 9 };
+ const int shift_32_uv[] = { 0, 2, 8, 10 };
+ const int shift_16_uv[] = { 0, 1, 4, 5 };
+ int i;
+ const int max_rows = AOMMIN(cm->mi_rows - mi_row, MAX_MIB_SIZE);
+ const int max_cols = AOMMIN(cm->mi_cols - mi_col, MAX_MIB_SIZE);
+#if CONFIG_EXT_PARTITION
+ assert(0 && "Not yet updated");
+#endif // CONFIG_EXT_PARTITION
+
+ av1_zero(*lfm);
+ assert(mip[0] != NULL);
+
+ // TODO(jimbankoski): Try moving most of the following code into decode
+ // loop and storing lfm in the mbmi structure so that we don't have to go
+ // through the recursive loop structure multiple times.
+ switch (mip[0]->mbmi.sb_type) {
+ case BLOCK_64X64: build_masks(cm, lfi_n, mip[0], 0, 0, lfm); break;
+ case BLOCK_64X32: build_masks(cm, lfi_n, mip[0], 0, 0, lfm);
+#if CONFIG_SUPERTX && CONFIG_TX64X64
+ if (supertx_enabled(&mip[0]->mbmi)) break;
+#endif // CONFIG_SUPERTX && CONFIG_TX64X64
+ mip2 = mip + mode_info_stride * 4;
+ if (4 >= max_rows) break;
+ build_masks(cm, lfi_n, mip2[0], 32, 8, lfm);
+ break;
+ case BLOCK_32X64: build_masks(cm, lfi_n, mip[0], 0, 0, lfm);
+#if CONFIG_SUPERTX && CONFIG_TX64X64
+ if (supertx_enabled(&mip[0]->mbmi)) break;
+#endif // CONFIG_SUPERTX && CONFIG_TX64X64
+ mip2 = mip + 4;
+ if (4 >= max_cols) break;
+ build_masks(cm, lfi_n, mip2[0], 4, 2, lfm);
+ break;
+ default:
+#if CONFIG_SUPERTX && CONFIG_TX64X64
+ if (mip[0]->mbmi.tx_size == TX_64X64) {
+ build_masks(cm, lfi_n, mip[0], 0, 0, lfm);
+ } else {
+#endif // CONFIG_SUPERTX && CONFIG_TX64X64
+ for (idx_32 = 0; idx_32 < 4; mip += offset_32[idx_32], ++idx_32) {
+ const int shift_y_32 = shift_32_y[idx_32];
+ const int shift_uv_32 = shift_32_uv[idx_32];
+ const int mi_32_col_offset = ((idx_32 & 1) << 2);
+ const int mi_32_row_offset = ((idx_32 >> 1) << 2);
+ if (mi_32_col_offset >= max_cols || mi_32_row_offset >= max_rows)
+ continue;
+ switch (mip[0]->mbmi.sb_type) {
+ case BLOCK_32X32:
+ build_masks(cm, lfi_n, mip[0], shift_y_32, shift_uv_32, lfm);
+ break;
+ case BLOCK_32X16:
+ build_masks(cm, lfi_n, mip[0], shift_y_32, shift_uv_32, lfm);
+#if CONFIG_SUPERTX
+ if (supertx_enabled(&mip[0]->mbmi)) break;
+#endif
+ if (mi_32_row_offset + 2 >= max_rows) continue;
+ mip2 = mip + mode_info_stride * 2;
+ build_masks(cm, lfi_n, mip2[0], shift_y_32 + 16, shift_uv_32 + 4,
+ lfm);
+ break;
+ case BLOCK_16X32:
+ build_masks(cm, lfi_n, mip[0], shift_y_32, shift_uv_32, lfm);
+#if CONFIG_SUPERTX
+ if (supertx_enabled(&mip[0]->mbmi)) break;
+#endif
+ if (mi_32_col_offset + 2 >= max_cols) continue;
+ mip2 = mip + 2;
+ build_masks(cm, lfi_n, mip2[0], shift_y_32 + 2, shift_uv_32 + 1,
+ lfm);
+ break;
+ default:
+#if CONFIG_SUPERTX
+ if (mip[0]->mbmi.tx_size == TX_32X32) {
+ build_masks(cm, lfi_n, mip[0], shift_y_32, shift_uv_32, lfm);
+ break;
+ }
+#endif
+ for (idx_16 = 0; idx_16 < 4; mip += offset_16[idx_16], ++idx_16) {
+ const int shift_y_32_16 = shift_y_32 + shift_16_y[idx_16];
+ const int shift_uv_32_16 = shift_uv_32 + shift_16_uv[idx_16];
+ const int mi_16_col_offset =
+ mi_32_col_offset + ((idx_16 & 1) << 1);
+ const int mi_16_row_offset =
+ mi_32_row_offset + ((idx_16 >> 1) << 1);
+
+ if (mi_16_col_offset >= max_cols ||
+ mi_16_row_offset >= max_rows)
+ continue;
+
+ switch (mip[0]->mbmi.sb_type) {
+ case BLOCK_16X16:
+ build_masks(cm, lfi_n, mip[0], shift_y_32_16,
+ shift_uv_32_16, lfm);
+ break;
+ case BLOCK_16X8:
+#if CONFIG_SUPERTX
+ if (supertx_enabled(&mip[0]->mbmi)) break;
+#endif
+ build_masks(cm, lfi_n, mip[0], shift_y_32_16,
+ shift_uv_32_16, lfm);
+ if (mi_16_row_offset + 1 >= max_rows) continue;
+ mip2 = mip + mode_info_stride;
+ build_y_mask(cm, lfi_n, mip2[0], shift_y_32_16 + 8,
+#if CONFIG_SUPERTX
+ 0,
+#endif
+ lfm);
+ break;
+ case BLOCK_8X16:
+#if CONFIG_SUPERTX
+ if (supertx_enabled(&mip[0]->mbmi)) break;
+#endif
+ build_masks(cm, lfi_n, mip[0], shift_y_32_16,
+ shift_uv_32_16, lfm);
+ if (mi_16_col_offset + 1 >= max_cols) continue;
+ mip2 = mip + 1;
+ build_y_mask(cm, lfi_n, mip2[0], shift_y_32_16 + 1,
+#if CONFIG_SUPERTX
+ 0,
+#endif
+ lfm);
+ break;
+ default: {
+ const int shift_y_32_16_8_zero =
+ shift_y_32_16 + shift_8_y[0];
+#if CONFIG_SUPERTX
+ if (mip[0]->mbmi.tx_size == TX_16X16) {
+ build_masks(cm, lfi_n, mip[0], shift_y_32_16_8_zero,
+ shift_uv_32_16, lfm);
+ break;
+ }
+#endif
+ build_masks(cm, lfi_n, mip[0], shift_y_32_16_8_zero,
+ shift_uv_32_16, lfm);
+ mip += offset[0];
+ for (idx_8 = 1; idx_8 < 4; mip += offset[idx_8], ++idx_8) {
+ const int shift_y_32_16_8 =
+ shift_y_32_16 + shift_8_y[idx_8];
+ const int mi_8_col_offset =
+ mi_16_col_offset + ((idx_8 & 1));
+ const int mi_8_row_offset =
+ mi_16_row_offset + ((idx_8 >> 1));
+
+ if (mi_8_col_offset >= max_cols ||
+ mi_8_row_offset >= max_rows)
+ continue;
+ build_y_mask(cm, lfi_n, mip[0], shift_y_32_16_8,
+#if CONFIG_SUPERTX
+ supertx_enabled(&mip[0]->mbmi),
+#endif
+ lfm);
+ }
+ break;
+ }
+ }
+ }
+ break;
+ }
+ }
+#if CONFIG_SUPERTX && CONFIG_TX64X64
+ }
+#endif // CONFIG_SUPERTX && CONFIG_TX64X64
+ break;
+ }
+ // The largest loopfilter we have is 16x16 so we use the 16x16 mask
+ // for 32x32 transforms also.
+ lfm->left_y[TX_16X16] |= lfm->left_y[TX_32X32];
+ lfm->above_y[TX_16X16] |= lfm->above_y[TX_32X32];
+ lfm->left_uv[TX_16X16] |= lfm->left_uv[TX_32X32];
+ lfm->above_uv[TX_16X16] |= lfm->above_uv[TX_32X32];
+
+ // We do at least 8 tap filter on every 32x32 even if the transform size
+ // is 4x4. So if the 4x4 is set on a border pixel add it to the 8x8 and
+ // remove it from the 4x4.
+ lfm->left_y[TX_8X8] |= lfm->left_y[TX_4X4] & left_border;
+ lfm->left_y[TX_4X4] &= ~left_border;
+ lfm->above_y[TX_8X8] |= lfm->above_y[TX_4X4] & above_border;
+ lfm->above_y[TX_4X4] &= ~above_border;
+ lfm->left_uv[TX_8X8] |= lfm->left_uv[TX_4X4] & left_border_uv;
+ lfm->left_uv[TX_4X4] &= ~left_border_uv;
+ lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_4X4] & above_border_uv;
+ lfm->above_uv[TX_4X4] &= ~above_border_uv;
+
+ // We do some special edge handling.
+ if (mi_row + MAX_MIB_SIZE > cm->mi_rows) {
+ const uint64_t rows = cm->mi_rows - mi_row;
+
+ // Each pixel inside the border gets a 1,
+ const uint64_t mask_y = (((uint64_t)1 << (rows << MAX_MIB_SIZE_LOG2)) - 1);
+ const uint16_t mask_uv =
+ (((uint16_t)1 << (((rows + 1) >> 1) << (MAX_MIB_SIZE_LOG2 - 1))) - 1);
+
+ // Remove values completely outside our border.
+ for (i = 0; i < TX_32X32; i++) {
+ lfm->left_y[i] &= mask_y;
+ lfm->above_y[i] &= mask_y;
+ lfm->left_uv[i] &= mask_uv;
+ lfm->above_uv[i] &= mask_uv;
+ }
+ lfm->int_4x4_y &= mask_y;
+ lfm->above_int_4x4_uv = lfm->left_int_4x4_uv & mask_uv;
+
+ // We don't apply a wide loop filter on the last uv block row. If set
+ // apply the shorter one instead.
+ if (rows == 1) {
+ lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16];
+ lfm->above_uv[TX_16X16] = 0;
+ }
+ if (rows == 5) {
+ lfm->above_uv[TX_8X8] |= lfm->above_uv[TX_16X16] & 0xff00;
+ lfm->above_uv[TX_16X16] &= ~(lfm->above_uv[TX_16X16] & 0xff00);
+ }
+ } else {
+ lfm->above_int_4x4_uv = lfm->left_int_4x4_uv;
+ }
+
+ if (mi_col + MAX_MIB_SIZE > cm->mi_cols) {
+ const uint64_t columns = cm->mi_cols - mi_col;
+
+ // Each pixel inside the border gets a 1, the multiply copies the border
+ // to where we need it.
+ const uint64_t mask_y = (((1 << columns) - 1)) * 0x0101010101010101ULL;
+ const uint16_t mask_uv = ((1 << ((columns + 1) >> 1)) - 1) * 0x1111;
+
+ // Internal edges are not applied on the last column of the image so
+ // we mask 1 more for the internal edges
+ const uint16_t mask_uv_int = ((1 << (columns >> 1)) - 1) * 0x1111;
+
+ // Remove the bits outside the image edge.
+ for (i = 0; i < TX_32X32; i++) {
+ lfm->left_y[i] &= mask_y;
+ lfm->above_y[i] &= mask_y;
+ lfm->left_uv[i] &= mask_uv;
+ lfm->above_uv[i] &= mask_uv;
+ }
+ lfm->int_4x4_y &= mask_y;
+ lfm->left_int_4x4_uv &= mask_uv_int;
+
+ // We don't apply a wide loop filter on the last uv column. If set
+ // apply the shorter one instead.
+ if (columns == 1) {
+ lfm->left_uv[TX_8X8] |= lfm->left_uv[TX_16X16];
+ lfm->left_uv[TX_16X16] = 0;
+ }
+ if (columns == 5) {
+ lfm->left_uv[TX_8X8] |= (lfm->left_uv[TX_16X16] & 0xcccc);
+ lfm->left_uv[TX_16X16] &= ~(lfm->left_uv[TX_16X16] & 0xcccc);
+ }
+ }
+ // We don't apply a loop filter on the first column in the image, mask that
+ // out.
+ if (mi_col == 0) {
+ for (i = 0; i < TX_32X32; i++) {
+ lfm->left_y[i] &= 0xfefefefefefefefeULL;
+ lfm->left_uv[i] &= 0xeeee;
+ }
+ }
+
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+ if (av1_disable_loopfilter_on_tile_boundary(cm)) {
+ update_tile_boundary_filter_mask(cm, mi_row, mi_col, lfm);
+ }
+#endif // CONFIG_LOOPFILTERING_ACROSS_TILES
+
+ // Assert if we try to apply 2 different loop filters at the same position.
+ assert(!(lfm->left_y[TX_16X16] & lfm->left_y[TX_8X8]));
+ assert(!(lfm->left_y[TX_16X16] & lfm->left_y[TX_4X4]));
+ assert(!(lfm->left_y[TX_8X8] & lfm->left_y[TX_4X4]));
+ assert(!(lfm->int_4x4_y & lfm->left_y[TX_16X16]));
+ assert(!(lfm->left_uv[TX_16X16] & lfm->left_uv[TX_8X8]));
+ assert(!(lfm->left_uv[TX_16X16] & lfm->left_uv[TX_4X4]));
+ assert(!(lfm->left_uv[TX_8X8] & lfm->left_uv[TX_4X4]));
+ assert(!(lfm->left_int_4x4_uv & lfm->left_uv[TX_16X16]));
+ assert(!(lfm->above_y[TX_16X16] & lfm->above_y[TX_8X8]));
+ assert(!(lfm->above_y[TX_16X16] & lfm->above_y[TX_4X4]));
+ assert(!(lfm->above_y[TX_8X8] & lfm->above_y[TX_4X4]));
+ assert(!(lfm->int_4x4_y & lfm->above_y[TX_16X16]));
+ assert(!(lfm->above_uv[TX_16X16] & lfm->above_uv[TX_8X8]));
+ assert(!(lfm->above_uv[TX_16X16] & lfm->above_uv[TX_4X4]));
+ assert(!(lfm->above_uv[TX_8X8] & lfm->above_uv[TX_4X4]));
+ assert(!(lfm->above_int_4x4_uv & lfm->above_uv[TX_16X16]));
+}
+
+static void filter_selectively_vert(
+ uint8_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
+ unsigned int mask_4x4, unsigned int mask_4x4_int,
+ const loop_filter_info_n *lfi_n, const uint8_t *lfl) {
+ unsigned int mask;
+
+ for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
+ mask >>= 1) {
+ const loop_filter_thresh *lfi = lfi_n->lfthr + *lfl;
+
+ if (mask & 1) {
+ if (mask_16x16 & 1) {
+ aom_lpf_vertical_16(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
+ } else if (mask_8x8 & 1) {
+ aom_lpf_vertical_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
+ } else if (mask_4x4 & 1) {
+ aom_lpf_vertical_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
+ }
+ }
+ if (mask_4x4_int & 1)
+ aom_lpf_vertical_4(s + 4, pitch, lfi->mblim, lfi->lim, lfi->hev_thr);
+ s += 8;
+ lfl += 1;
+ mask_16x16 >>= 1;
+ mask_8x8 >>= 1;
+ mask_4x4 >>= 1;
+ mask_4x4_int >>= 1;
+ }
+}
+
+#if CONFIG_HIGHBITDEPTH
+static void highbd_filter_selectively_vert(
+ uint16_t *s, int pitch, unsigned int mask_16x16, unsigned int mask_8x8,
+ unsigned int mask_4x4, unsigned int mask_4x4_int,
+ const loop_filter_info_n *lfi_n, const uint8_t *lfl, int bd) {
+ unsigned int mask;
+
+ for (mask = mask_16x16 | mask_8x8 | mask_4x4 | mask_4x4_int; mask;
+ mask >>= 1) {
+ const loop_filter_thresh *lfi = lfi_n->lfthr + *lfl;
+
+ if (mask & 1) {
+ if (mask_16x16 & 1) {
+ aom_highbd_lpf_vertical_16(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
+ bd);
+ } else if (mask_8x8 & 1) {
+ aom_highbd_lpf_vertical_8(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
+ bd);
+ } else if (mask_4x4 & 1) {
+ aom_highbd_lpf_vertical_4(s, pitch, lfi->mblim, lfi->lim, lfi->hev_thr,
+ bd);
+ }
+ }
+ if (mask_4x4_int & 1)
+ aom_highbd_lpf_vertical_4(s + 4, pitch, lfi->mblim, lfi->lim,
+ lfi->hev_thr, bd);
+ s += 8;
+ lfl += 1;
+ mask_16x16 >>= 1;
+ mask_8x8 >>= 1;
+ mask_4x4 >>= 1;
+ mask_4x4_int >>= 1;
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+
+typedef struct {
+ unsigned int m16x16;
+ unsigned int m8x8;
+ unsigned int m4x4;
+} FilterMasks;
+
+// Get filter level and masks for the given row index 'idx_r'. (Only used for
+// the non420 case).
+// Note: 'row_masks_ptr' and/or 'col_masks_ptr' can be passed NULL.
+static void get_filter_level_and_masks_non420(
+ AV1_COMMON *const cm, const struct macroblockd_plane *const plane,
+ MODE_INFO **mib, int mi_row, int mi_col, int idx_r, uint8_t *const lfl_r,
+ unsigned int *const mask_4x4_int_r, FilterMasks *const row_masks_ptr,
+ FilterMasks *const col_masks_ptr) {
+ const int ss_x = plane->subsampling_x;
+ const int ss_y = plane->subsampling_y;
+ const int col_step = mi_size_wide[BLOCK_8X8] << ss_x;
+ FilterMasks row_masks, col_masks;
+ memset(&row_masks, 0, sizeof(row_masks));
+ memset(&col_masks, 0, sizeof(col_masks));
+ *mask_4x4_int_r = 0;
+ const int r = idx_r >> mi_height_log2_lookup[BLOCK_8X8];
+
+ // Determine the vertical edges that need filtering
+ int idx_c;
+ for (idx_c = 0; idx_c < cm->mib_size && mi_col + idx_c < cm->mi_cols;
+ idx_c += col_step) {
+ const MODE_INFO *mi = mib[idx_r * cm->mi_stride + idx_c];
+ const MB_MODE_INFO *mbmi = &mi[0].mbmi;
+ const BLOCK_SIZE sb_type = mbmi->sb_type;
+ const int skip_this = mbmi->skip && is_inter_block(mbmi);
+ // Map index to 8x8 unit
+ const int c = idx_c >> mi_width_log2_lookup[BLOCK_8X8];
+
+ const int blk_row = r & (num_8x8_blocks_high_lookup[sb_type] - 1);
+ const int blk_col = c & (num_8x8_blocks_wide_lookup[sb_type] - 1);
+
+ // left edge of current unit is block/partition edge -> no skip
+ const int block_edge_left =
+ (num_4x4_blocks_wide_lookup[sb_type] > 1) ? !blk_col : 1;
+ const int skip_this_c = skip_this && !block_edge_left;
+ // top edge of current unit is block/partition edge -> no skip
+ const int block_edge_above =
+ (num_4x4_blocks_high_lookup[sb_type] > 1) ? !blk_row : 1;
+ const int skip_this_r = skip_this && !block_edge_above;
+
+#if CONFIG_VAR_TX
+ const TX_SIZE mb_tx_size = mbmi->inter_tx_size[blk_row][blk_col];
+#endif
+
+ TX_SIZE tx_size = (plane->plane_type == PLANE_TYPE_UV)
+ ? get_uv_tx_size(mbmi, plane)
+ : mbmi->tx_size;
+
+ const int skip_border_4x4_c =
+ ss_x && mi_col + idx_c >= cm->mi_cols - mi_size_wide[BLOCK_8X8];
+ const int skip_border_4x4_r =
+ ss_y && mi_row + idx_r >= cm->mi_rows - mi_size_high[BLOCK_8X8];
+
+ TX_SIZE tx_size_c = txsize_horz_map[tx_size];
+ TX_SIZE tx_size_r = txsize_vert_map[tx_size];
+
+ int tx_size_mask = 0;
+ const int c_step = (c >> ss_x);
+ const int r_step = (r >> ss_y);
+ const int col_mask = 1 << c_step;
+
+#if CONFIG_VAR_TX
+ if (is_inter_block(mbmi) && !mbmi->skip) {
+ tx_size = (plane->plane_type == PLANE_TYPE_UV)
+ ? uv_txsize_lookup[sb_type][mb_tx_size][ss_x][ss_y]
+ : mb_tx_size;
+ }
+#endif
+
+// Filter level can vary per MI
+#if CONFIG_EXT_DELTA_Q
+ if (!(lfl_r[c_step] = get_filter_level(cm, &cm->lf_info, mbmi))) continue;
+#else
+ if (!(lfl_r[c_step] = get_filter_level(&cm->lf_info, mbmi))) continue;
+#endif
+
+#if CONFIG_VAR_TX
+ tx_size_r = AOMMIN(tx_size, cm->above_txfm_context[mi_col + c]);
+ tx_size_c =
+ AOMMIN(tx_size, cm->left_txfm_context[(mi_row + r) & MAX_MIB_MASK]);
+
+ cm->above_txfm_context[mi_col + c] = tx_size;
+ cm->left_txfm_context[(mi_row + r) & MAX_MIB_MASK] = tx_size;
+#endif // CONFIG_VAR_TX
+
+ if (tx_size_c == TX_32X32)
+ tx_size_mask = 3;
+ else if (tx_size_c == TX_16X16)
+ tx_size_mask = 1;
+ else
+ tx_size_mask = 0;
+
+ // Build masks based on the transform size of each block
+ // handle vertical mask
+ if (tx_size_c == TX_32X32) {
+ if (!skip_this_c && (c_step & tx_size_mask) == 0) {
+ if (!skip_border_4x4_c)
+ col_masks.m16x16 |= col_mask;
+ else
+ col_masks.m8x8 |= col_mask;
+ }
+ } else if (tx_size_c == TX_16X16) {
+ if (!skip_this_c && (c_step & tx_size_mask) == 0) {
+ if (!skip_border_4x4_c)
+ col_masks.m16x16 |= col_mask;
+ else
+ col_masks.m8x8 |= col_mask;
+ }
+ } else {
+ // force 8x8 filtering on 32x32 boundaries
+ if (!skip_this_c && (c_step & tx_size_mask) == 0) {
+ if (tx_size_c == TX_8X8 || ((c >> ss_x) & 3) == 0)
+ col_masks.m8x8 |= col_mask;
+ else
+ col_masks.m4x4 |= col_mask;
+ }
+
+ if (!skip_this && tx_size_c < TX_8X8 && !skip_border_4x4_c &&
+ (c_step & tx_size_mask) == 0)
+ *mask_4x4_int_r |= col_mask;
+ }
+
+ if (tx_size_r == TX_32X32)
+ tx_size_mask = 3;
+ else if (tx_size_r == TX_16X16)
+ tx_size_mask = 1;
+ else
+ tx_size_mask = 0;
+
+ // set horizontal mask
+ if (tx_size_r == TX_32X32) {
+ if (!skip_this_r && (r_step & tx_size_mask) == 0) {
+ if (!skip_border_4x4_r)
+ row_masks.m16x16 |= col_mask;
+ else
+ row_masks.m8x8 |= col_mask;
+ }
+ } else if (tx_size_r == TX_16X16) {
+ if (!skip_this_r && (r_step & tx_size_mask) == 0) {
+ if (!skip_border_4x4_r)
+ row_masks.m16x16 |= col_mask;
+ else
+ row_masks.m8x8 |= col_mask;
+ }
+ } else {
+ // force 8x8 filtering on 32x32 boundaries
+ if (!skip_this_r && (r_step & tx_size_mask) == 0) {
+ if (tx_size_r == TX_8X8 || (r_step & 3) == 0)
+ row_masks.m8x8 |= col_mask;
+ else
+ row_masks.m4x4 |= col_mask;
+ }
+
+ if (!skip_this && tx_size_r < TX_8X8 && !skip_border_4x4_c &&
+ ((r >> ss_y) & tx_size_mask) == 0)
+ *mask_4x4_int_r |= col_mask;
+ }
+ }
+
+ if (row_masks_ptr) *row_masks_ptr = row_masks;
+ if (col_masks_ptr) *col_masks_ptr = col_masks;
+}
+
+void av1_filter_block_plane_non420_ver(AV1_COMMON *const cm,
+ struct macroblockd_plane *plane,
+ MODE_INFO **mib, int mi_row,
+ int mi_col) {
+ const int ss_y = plane->subsampling_y;
+ const int row_step = mi_size_high[BLOCK_8X8] << ss_y;
+ struct buf_2d *const dst = &plane->dst;
+ uint8_t *const dst0 = dst->buf;
+ uint8_t lfl[MAX_MIB_SIZE][MAX_MIB_SIZE] = { { 0 } };
+
+ int idx_r;
+ for (idx_r = 0; idx_r < cm->mib_size && mi_row + idx_r < cm->mi_rows;
+ idx_r += row_step) {
+ unsigned int mask_4x4_int;
+ FilterMasks col_masks;
+ const int r = idx_r >> mi_height_log2_lookup[BLOCK_8X8];
+ get_filter_level_and_masks_non420(cm, plane, mib, mi_row, mi_col, idx_r,
+ &lfl[r][0], &mask_4x4_int, NULL,
+ &col_masks);
+
+ // Disable filtering on the leftmost column or tile boundary
+ unsigned int border_mask = ~(mi_col == 0);
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+ if (av1_disable_loopfilter_on_tile_boundary(cm) &&
+ ((mib[0]->mbmi.boundary_info & TILE_LEFT_BOUNDARY) != 0)) {
+ border_mask = 0xfffffffe;
+ }
+#endif // CONFIG_LOOPFILTERING_ACROSS_TILES
+
+#if CONFIG_HIGHBITDEPTH
+ if (cm->use_highbitdepth)
+ highbd_filter_selectively_vert(
+ CONVERT_TO_SHORTPTR(dst->buf), dst->stride,
+ col_masks.m16x16 & border_mask, col_masks.m8x8 & border_mask,
+ col_masks.m4x4 & border_mask, mask_4x4_int, &cm->lf_info, &lfl[r][0],
+ (int)cm->bit_depth);
+ else
+#endif // CONFIG_HIGHBITDEPTH
+ filter_selectively_vert(
+ dst->buf, dst->stride, col_masks.m16x16 & border_mask,
+ col_masks.m8x8 & border_mask, col_masks.m4x4 & border_mask,
+ mask_4x4_int, &cm->lf_info, &lfl[r][0]);
+ dst->buf += 8 * dst->stride;
+ }
+
+ // Now do horizontal pass
+ dst->buf = dst0;
+}
+
+void av1_filter_block_plane_non420_hor(AV1_COMMON *const cm,
+ struct macroblockd_plane *plane,
+ MODE_INFO **mib, int mi_row,
+ int mi_col) {
+ const int ss_y = plane->subsampling_y;
+ const int row_step = mi_size_high[BLOCK_8X8] << ss_y;
+ struct buf_2d *const dst = &plane->dst;
+ uint8_t *const dst0 = dst->buf;
+ FilterMasks row_masks_array[MAX_MIB_SIZE];
+ unsigned int mask_4x4_int[MAX_MIB_SIZE] = { 0 };
+ uint8_t lfl[MAX_MIB_SIZE][MAX_MIB_SIZE] = { { 0 } };
+ int idx_r;
+ for (idx_r = 0; idx_r < cm->mib_size && mi_row + idx_r < cm->mi_rows;
+ idx_r += row_step) {
+ const int r = idx_r >> mi_height_log2_lookup[BLOCK_8X8];
+ get_filter_level_and_masks_non420(cm, plane, mib, mi_row, mi_col, idx_r,
+ &lfl[r][0], mask_4x4_int + r,
+ row_masks_array + r, NULL);
+ }
+ for (idx_r = 0; idx_r < cm->mib_size && mi_row + idx_r < cm->mi_rows;
+ idx_r += row_step) {
+ const int skip_border_4x4_r =
+ ss_y && mi_row + idx_r >= cm->mi_rows - mi_size_wide[BLOCK_8X8];
+ const int r = idx_r >> mi_width_log2_lookup[BLOCK_8X8];
+ const unsigned int mask_4x4_int_r = skip_border_4x4_r ? 0 : mask_4x4_int[r];
+ FilterMasks row_masks;
+
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+ // Disable filtering on the abovemost row or tile boundary
+ const MODE_INFO *mi = cm->mi + (mi_row + r) * cm->mi_stride;
+ if ((av1_disable_loopfilter_on_tile_boundary(cm) &&
+ (mi->mbmi.boundary_info & TILE_ABOVE_BOUNDARY)) ||
+ (mi_row + idx_r == 0)) {
+ memset(&row_masks, 0, sizeof(row_masks));
+#else
+ if (mi_row + idx_r == 0) {
+ memset(&row_masks, 0, sizeof(row_masks));
+#endif // CONFIG_LOOPFILTERING_ACROSS_TILES
+ } else {
+ memcpy(&row_masks, row_masks_array + r, sizeof(row_masks));
+ }
+#if CONFIG_HIGHBITDEPTH
+ if (cm->use_highbitdepth)
+ highbd_filter_selectively_horiz(
+ CONVERT_TO_SHORTPTR(dst->buf), dst->stride, row_masks.m16x16,
+ row_masks.m8x8, row_masks.m4x4, mask_4x4_int_r, &cm->lf_info,
+ &lfl[r][0], (int)cm->bit_depth);
+ else
+#endif // CONFIG_HIGHBITDEPTH
+ filter_selectively_horiz(dst->buf, dst->stride, row_masks.m16x16,
+ row_masks.m8x8, row_masks.m4x4, mask_4x4_int_r,
+ &cm->lf_info, &lfl[r][0]);
+ dst->buf += 8 * dst->stride;
+ }
+ dst->buf = dst0;
+}
+
+void av1_filter_block_plane_ss00_ver(AV1_COMMON *const cm,
+ struct macroblockd_plane *const plane,
+ int mi_row, LOOP_FILTER_MASK *lfm) {
+ struct buf_2d *const dst = &plane->dst;
+ uint8_t *const dst0 = dst->buf;
+ int r;
+ uint64_t mask_16x16 = lfm->left_y[TX_16X16];
+ uint64_t mask_8x8 = lfm->left_y[TX_8X8];
+ uint64_t mask_4x4 = lfm->left_y[TX_4X4];
+ uint64_t mask_4x4_int = lfm->int_4x4_y;
+
+ assert(plane->subsampling_x == 0 && plane->subsampling_y == 0);
+
+ // Vertical pass: do 2 rows at one time
+ for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += 2) {
+ unsigned int mask_16x16_l = mask_16x16 & 0xffff;
+ unsigned int mask_8x8_l = mask_8x8 & 0xffff;
+ unsigned int mask_4x4_l = mask_4x4 & 0xffff;
+ unsigned int mask_4x4_int_l = mask_4x4_int & 0xffff;
+
+// Disable filtering on the leftmost column.
+#if CONFIG_HIGHBITDEPTH
+ if (cm->use_highbitdepth)
+ highbd_filter_selectively_vert_row2(
+ plane->subsampling_x, CONVERT_TO_SHORTPTR(dst->buf), dst->stride,
+ mask_16x16_l, mask_8x8_l, mask_4x4_l, mask_4x4_int_l, &cm->lf_info,
+ &lfm->lfl_y[r][0], (int)cm->bit_depth);
+ else
+#endif // CONFIG_HIGHBITDEPTH
+ filter_selectively_vert_row2(
+ plane->subsampling_x, dst->buf, dst->stride, mask_16x16_l, mask_8x8_l,
+ mask_4x4_l, mask_4x4_int_l, &cm->lf_info, &lfm->lfl_y[r][0]);
+
+ dst->buf += 2 * MI_SIZE * dst->stride;
+ mask_16x16 >>= 2 * MI_SIZE;
+ mask_8x8 >>= 2 * MI_SIZE;
+ mask_4x4 >>= 2 * MI_SIZE;
+ mask_4x4_int >>= 2 * MI_SIZE;
+ }
+
+ // Horizontal pass
+ dst->buf = dst0;
+}
+
+void av1_filter_block_plane_ss00_hor(AV1_COMMON *const cm,
+ struct macroblockd_plane *const plane,
+ int mi_row, LOOP_FILTER_MASK *lfm) {
+ struct buf_2d *const dst = &plane->dst;
+ uint8_t *const dst0 = dst->buf;
+ int r;
+ uint64_t mask_16x16 = lfm->above_y[TX_16X16];
+ uint64_t mask_8x8 = lfm->above_y[TX_8X8];
+ uint64_t mask_4x4 = lfm->above_y[TX_4X4];
+ uint64_t mask_4x4_int = lfm->int_4x4_y;
+
+ assert(plane->subsampling_x == 0 && plane->subsampling_y == 0);
+
+ for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r++) {
+ unsigned int mask_16x16_r;
+ unsigned int mask_8x8_r;
+ unsigned int mask_4x4_r;
+
+ if (mi_row + r == 0) {
+ mask_16x16_r = 0;
+ mask_8x8_r = 0;
+ mask_4x4_r = 0;
+ } else {
+ mask_16x16_r = mask_16x16 & 0xff;
+ mask_8x8_r = mask_8x8 & 0xff;
+ mask_4x4_r = mask_4x4 & 0xff;
+ }
+
+#if CONFIG_HIGHBITDEPTH
+ if (cm->use_highbitdepth)
+ highbd_filter_selectively_horiz(
+ CONVERT_TO_SHORTPTR(dst->buf), dst->stride, mask_16x16_r, mask_8x8_r,
+ mask_4x4_r, mask_4x4_int & 0xff, &cm->lf_info, &lfm->lfl_y[r][0],
+ (int)cm->bit_depth);
+ else
+#endif // CONFIG_HIGHBITDEPTH
+ filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r,
+ mask_4x4_r, mask_4x4_int & 0xff, &cm->lf_info,
+ &lfm->lfl_y[r][0]);
+
+ dst->buf += MI_SIZE * dst->stride;
+ mask_16x16 >>= MI_SIZE;
+ mask_8x8 >>= MI_SIZE;
+ mask_4x4 >>= MI_SIZE;
+ mask_4x4_int >>= MI_SIZE;
+ }
+ // restore the buf pointer in case there is additional filter pass.
+ dst->buf = dst0;
+}
+
+void av1_filter_block_plane_ss11_ver(AV1_COMMON *const cm,
+ struct macroblockd_plane *const plane,
+ int mi_row, LOOP_FILTER_MASK *lfm) {
+ struct buf_2d *const dst = &plane->dst;
+ uint8_t *const dst0 = dst->buf;
+ int r, c;
+
+ uint16_t mask_16x16 = lfm->left_uv[TX_16X16];
+ uint16_t mask_8x8 = lfm->left_uv[TX_8X8];
+ uint16_t mask_4x4 = lfm->left_uv[TX_4X4];
+ uint16_t mask_4x4_int = lfm->left_int_4x4_uv;
+
+ assert(plane->subsampling_x == 1 && plane->subsampling_y == 1);
+ assert(plane->plane_type == PLANE_TYPE_UV);
+ memset(lfm->lfl_uv, 0, sizeof(lfm->lfl_uv));
+
+ // Vertical pass: do 2 rows at one time
+ for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += 4) {
+ for (c = 0; c < (cm->mib_size >> 1); c++) {
+ lfm->lfl_uv[r >> 1][c] = lfm->lfl_y[r][c << 1];
+ lfm->lfl_uv[(r + 2) >> 1][c] = lfm->lfl_y[r + 2][c << 1];
+ }
+
+ {
+ unsigned int mask_16x16_l = mask_16x16 & 0xff;
+ unsigned int mask_8x8_l = mask_8x8 & 0xff;
+ unsigned int mask_4x4_l = mask_4x4 & 0xff;
+ unsigned int mask_4x4_int_l = mask_4x4_int & 0xff;
+
+// Disable filtering on the leftmost column.
+#if CONFIG_HIGHBITDEPTH
+ if (cm->use_highbitdepth)
+ highbd_filter_selectively_vert_row2(
+ plane->subsampling_x, CONVERT_TO_SHORTPTR(dst->buf), dst->stride,
+ mask_16x16_l, mask_8x8_l, mask_4x4_l, mask_4x4_int_l, &cm->lf_info,
+ &lfm->lfl_uv[r >> 1][0], (int)cm->bit_depth);
+ else
+#endif // CONFIG_HIGHBITDEPTH
+ filter_selectively_vert_row2(plane->subsampling_x, dst->buf,
+ dst->stride, mask_16x16_l, mask_8x8_l,
+ mask_4x4_l, mask_4x4_int_l, &cm->lf_info,
+ &lfm->lfl_uv[r >> 1][0]);
+
+ dst->buf += 2 * MI_SIZE * dst->stride;
+ mask_16x16 >>= MI_SIZE;
+ mask_8x8 >>= MI_SIZE;
+ mask_4x4 >>= MI_SIZE;
+ mask_4x4_int >>= MI_SIZE;
+ }
+ }
+
+ // Horizontal pass
+ dst->buf = dst0;
+}
+
+void av1_filter_block_plane_ss11_hor(AV1_COMMON *const cm,
+ struct macroblockd_plane *const plane,
+ int mi_row, LOOP_FILTER_MASK *lfm) {
+ struct buf_2d *const dst = &plane->dst;
+ uint8_t *const dst0 = dst->buf;
+ int r, c;
+ uint64_t mask_16x16 = lfm->above_uv[TX_16X16];
+ uint64_t mask_8x8 = lfm->above_uv[TX_8X8];
+ uint64_t mask_4x4 = lfm->above_uv[TX_4X4];
+ uint64_t mask_4x4_int = lfm->above_int_4x4_uv;
+
+ assert(plane->subsampling_x == 1 && plane->subsampling_y == 1);
+ memset(lfm->lfl_uv, 0, sizeof(lfm->lfl_uv));
+
+ // re-porpulate the filter level for uv, same as the code for vertical
+ // filter in av1_filter_block_plane_ss11_ver
+ for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += 4) {
+ for (c = 0; c < (cm->mib_size >> 1); c++) {
+ lfm->lfl_uv[r >> 1][c] = lfm->lfl_y[r][c << 1];
+ lfm->lfl_uv[(r + 2) >> 1][c] = lfm->lfl_y[r + 2][c << 1];
+ }
+ }
+
+ for (r = 0; r < cm->mib_size && mi_row + r < cm->mi_rows; r += 2) {
+ const int skip_border_4x4_r = mi_row + r == cm->mi_rows - 1;
+ const unsigned int mask_4x4_int_r =
+ skip_border_4x4_r ? 0 : (mask_4x4_int & 0xf);
+ unsigned int mask_16x16_r;
+ unsigned int mask_8x8_r;
+ unsigned int mask_4x4_r;
+
+ if (mi_row + r == 0) {
+ mask_16x16_r = 0;
+ mask_8x8_r = 0;
+ mask_4x4_r = 0;
+ } else {
+ mask_16x16_r = mask_16x16 & 0xf;
+ mask_8x8_r = mask_8x8 & 0xf;
+ mask_4x4_r = mask_4x4 & 0xf;
+ }
+
+#if CONFIG_HIGHBITDEPTH
+ if (cm->use_highbitdepth)
+ highbd_filter_selectively_horiz(
+ CONVERT_TO_SHORTPTR(dst->buf), dst->stride, mask_16x16_r, mask_8x8_r,
+ mask_4x4_r, mask_4x4_int_r, &cm->lf_info, &lfm->lfl_uv[r >> 1][0],
+ (int)cm->bit_depth);
+ else
+#endif // CONFIG_HIGHBITDEPTH
+ filter_selectively_horiz(dst->buf, dst->stride, mask_16x16_r, mask_8x8_r,
+ mask_4x4_r, mask_4x4_int_r, &cm->lf_info,
+ &lfm->lfl_uv[r >> 1][0]);
+
+ dst->buf += MI_SIZE * dst->stride;
+ mask_16x16 >>= MI_SIZE / 2;
+ mask_8x8 >>= MI_SIZE / 2;
+ mask_4x4 >>= MI_SIZE / 2;
+ mask_4x4_int >>= MI_SIZE / 2;
+ }
+ // restore the buf pointer in case there is additional filter pass.
+ dst->buf = dst0;
+}
+
+#if !(CONFIG_VAR_TX || CONFIG_EXT_PARTITION || CONFIG_EXT_PARTITION_TYPES || \
+ CONFIG_CB4X4)
+#if CONFIG_PARALLEL_DEBLOCKING
+typedef enum EDGE_DIR { VERT_EDGE = 0, HORZ_EDGE = 1, NUM_EDGE_DIRS } EDGE_DIR;
+static const uint32_t av1_prediction_masks[NUM_EDGE_DIRS][BLOCK_SIZES] = {
+ // mask for vertical edges filtering
+ {
+#if CONFIG_CB4X4
+ 2 - 1, // BLOCK_2X2
+ 2 - 1, // BLOCK_2X4
+ 4 - 1, // BLOCK_4X2
+#endif // CONFIG_CB4X4
+ 4 - 1, // BLOCK_4X4
+ 4 - 1, // BLOCK_4X8
+ 8 - 1, // BLOCK_8X4
+ 8 - 1, // BLOCK_8X8
+ 8 - 1, // BLOCK_8X16
+ 16 - 1, // BLOCK_16X8
+ 16 - 1, // BLOCK_16X16
+ 16 - 1, // BLOCK_16X32
+ 32 - 1, // BLOCK_32X16
+ 32 - 1, // BLOCK_32X32
+ 32 - 1, // BLOCK_32X64
+ 64 - 1, // BLOCK_64X32
+ 64 - 1, // BLOCK_64X64
+#if CONFIG_EXT_PARTITION
+ 64 - 1, // BLOCK_64X128
+ 128 - 1, // BLOCK_128X64
+ 128 - 1 // BLOCK_128X128
+#endif // CONFIG_EXT_PARTITION
+ },
+ // mask for horizontal edges filtering
+ {
+#if CONFIG_CB4X4
+ 2 - 1, // BLOCK_2X2
+ 4 - 1, // BLOCK_2X4
+ 2 - 1, // BLOCK_4X2
+#endif // CONFIG_CB4X4
+ 4 - 1, // BLOCK_4X4
+ 8 - 1, // BLOCK_4X8
+ 4 - 1, // BLOCK_8X4
+ 8 - 1, // BLOCK_8X8
+ 16 - 1, // BLOCK_8X16
+ 8 - 1, // BLOCK_16X8
+ 16 - 1, // BLOCK_16X16
+ 32 - 1, // BLOCK_16X32
+ 16 - 1, // BLOCK_32X16
+ 32 - 1, // BLOCK_32X32
+ 64 - 1, // BLOCK_32X64
+ 32 - 1, // BLOCK_64X32
+ 64 - 1, // BLOCK_64X64
+#if CONFIG_EXT_PARTITION
+ 128 - 1, // BLOCK_64X128
+ 64 - 1, // BLOCK_128X64
+ 128 - 1 // BLOCK_128X128
+#endif // CONFIG_EXT_PARTITION
+ },
+};
+
+static const uint32_t av1_transform_masks[NUM_EDGE_DIRS][TX_SIZES_ALL] = {
+ {
+#if CONFIG_CB4X4
+ 2 - 1, // TX_2X2
+#endif
+ 4 - 1, // TX_4X4
+ 8 - 1, // TX_8X8
+ 16 - 1, // TX_16X16
+ 32 - 1, // TX_32X32
+#if CONFIG_TX64X64
+ 64 - 1, // TX_64X64
+#endif // CONFIG_TX64X64
+ 4 - 1, // TX_4X8
+ 8 - 1, // TX_8X4
+ 8 - 1, // TX_8X16
+ 16 - 1, // TX_16X8
+ 16 - 1, // TX_16X32
+ 32 - 1, // TX_32X16
+ 4 - 1, // TX_4X16
+ 16 - 1, // TX_16X4
+ 8 - 1, // TX_8X32
+ 32 - 1 // TX_32X8
+ },
+ {
+#if CONFIG_CB4X4
+ 2 - 1, // TX_2X2
+#endif
+ 4 - 1, // TX_4X4
+ 8 - 1, // TX_8X8
+ 16 - 1, // TX_16X16
+ 32 - 1, // TX_32X32
+#if CONFIG_TX64X64
+ 64 - 1, // TX_64X64
+#endif // CONFIG_TX64X64
+ 8 - 1, // TX_4X8
+ 4 - 1, // TX_8X4
+ 16 - 1, // TX_8X16
+ 8 - 1, // TX_16X8
+ 32 - 1, // TX_16X32
+ 16 - 1, // TX_32X16
+ 16 - 1, // TX_4X16
+ 4 - 1, // TX_16X4
+ 32 - 1, // TX_8X32
+ 8 - 1 // TX_32X8
+ }
+};
+
+static TX_SIZE av1_get_transform_size(const MODE_INFO *const pCurr,
+ const EDGE_DIR edgeDir,
+ const uint32_t scaleHorz,
+ const uint32_t scaleVert) {
+ const BLOCK_SIZE bs = pCurr->mbmi.sb_type;
+ TX_SIZE txSize;
+ // since in case of chrominance or non-square transorm need to convert
+ // transform size into transform size in particular direction.
+ txSize = uv_txsize_lookup[bs][pCurr->mbmi.tx_size][scaleHorz][scaleVert];
+ if (VERT_EDGE == edgeDir) {
+ txSize = txsize_horz_map[txSize];
+ } else {
+ txSize = txsize_vert_map[txSize];
+ }
+ return txSize;
+}
+
+typedef struct AV1_DEBLOCKING_PARAMETERS {
+ // length of the filter applied to the outer edge
+ uint32_t filterLength;
+ // length of the filter applied to the inner edge
+ uint32_t filterLengthInternal;
+ // deblocking limits
+ const uint8_t *lim;
+ const uint8_t *mblim;
+ const uint8_t *hev_thr;
+} AV1_DEBLOCKING_PARAMETERS;
+
+static void set_lpf_parameters(AV1_DEBLOCKING_PARAMETERS *const pParams,
+ const MODE_INFO **const ppCurr,
+ const ptrdiff_t modeStep,
+ const AV1_COMMON *const cm,
+ const EDGE_DIR edgeDir, const uint32_t x,
+ const uint32_t y, const uint32_t width,
+ const uint32_t height, const uint32_t scaleHorz,
+ const uint32_t scaleVert) {
+ // reset to initial values
+ pParams->filterLength = 0;
+ pParams->filterLengthInternal = 0;
+ // no deblocking is required
+ if ((width <= x) || (height <= y)) {
+ return;
+ }
+#if CONFIG_EXT_PARTITION
+ // not sure if changes are required.
+ assert(0 && "Not yet updated");
+#endif // CONFIG_EXT_PARTITION
+ {
+ const TX_SIZE ts =
+ av1_get_transform_size(ppCurr[0], edgeDir, scaleHorz, scaleVert);
+ const uint32_t currLevel = get_filter_level(&cm->lf_info, &ppCurr[0]->mbmi);
+ const int currSkipped =
+ ppCurr[0]->mbmi.skip && is_inter_block(&ppCurr[0]->mbmi);
+ const uint32_t coord = (VERT_EDGE == edgeDir) ? (x) : (y);
+ uint32_t level = currLevel;
+ // prepare outer edge parameters. deblock the edge if it's an edge of a TU
+ if (coord) {
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+ if (!av1_disable_loopfilter_on_tile_boundary(cm) ||
+ ((VERT_EDGE == edgeDir) &&
+ (0 == (ppCurr[0]->mbmi.boundary_info & TILE_LEFT_BOUNDARY))) ||
+ ((HORZ_EDGE == edgeDir) &&
+ (0 == (ppCurr[0]->mbmi.boundary_info & TILE_ABOVE_BOUNDARY))))
+#endif // CONFIG_LOOPFILTERING_ACROSS_TILES
+ {
+ const int32_t tuEdge =
+ (coord & av1_transform_masks[edgeDir][ts]) ? (0) : (1);
+ if (tuEdge) {
+ const MODE_INFO *const pPrev = *(ppCurr - modeStep);
+ const TX_SIZE pvTs =
+ av1_get_transform_size(pPrev, edgeDir, scaleHorz, scaleVert);
+ const uint32_t pvLvl = get_filter_level(&cm->lf_info, &pPrev->mbmi);
+ const int pvSkip = pPrev->mbmi.skip && is_inter_block(&pPrev->mbmi);
+ const int32_t puEdge =
+ (coord &
+ av1_prediction_masks[edgeDir]
+ [ss_size_lookup[ppCurr[0]->mbmi.sb_type]
+ [scaleHorz][scaleVert]])
+ ? (0)
+ : (1);
+ // if the current and the previous blocks are skipped,
+ // deblock the edge if the edge belongs to a PU's edge only.
+ if ((currLevel || pvLvl) && (!pvSkip || !currSkipped || puEdge)) {
+#if CONFIG_PARALLEL_DEBLOCKING_15TAP || CONFIG_PARALLEL_DEBLOCKING_15TAPLUMAONLY
+ const TX_SIZE minTs = AOMMIN(ts, pvTs);
+ if (TX_4X4 >= minTs) {
+ pParams->filterLength = 4;
+ } else if (TX_8X8 == minTs) {
+ pParams->filterLength = 8;
+ } else {
+ pParams->filterLength = 16;
+#if CONFIG_PARALLEL_DEBLOCKING_15TAPLUMAONLY
+ // No wide filtering for chroma plane
+ if (scaleHorz || scaleVert) {
+ pParams->filterLength = 8;
+ }
+#endif
+ }
+#else
+ pParams->filterLength = (TX_4X4 >= AOMMIN(ts, pvTs)) ? (4) : (8);
+
+#endif // CONFIG_PARALLEL_DEBLOCKING_15TAP
+
+ // update the level if the current block is skipped,
+ // but the previous one is not
+ level = (currLevel) ? (currLevel) : (pvLvl);
+ }
+ }
+ }
+ // prepare internal edge parameters
+ if (currLevel && !currSkipped) {
+ pParams->filterLengthInternal = (TX_4X4 >= ts) ? (4) : (0);
+ }
+ // prepare common parameters
+ if (pParams->filterLength || pParams->filterLengthInternal) {
+ const loop_filter_thresh *const limits = cm->lf_info.lfthr + level;
+ pParams->lim = limits->lim;
+ pParams->mblim = limits->mblim;
+ pParams->hev_thr = limits->hev_thr;
+ }
+ }
+ }
+}
+
+static void av1_filter_block_plane_vert(const AV1_COMMON *const cm,
+ const MACROBLOCKD_PLANE *const pPlane,
+ const MODE_INFO **ppModeInfo,
+ const ptrdiff_t modeStride,
+ const uint32_t cuX,
+ const uint32_t cuY) {
+ const uint32_t scaleHorz = pPlane->subsampling_x;
+ const uint32_t scaleVert = pPlane->subsampling_y;
+ const uint32_t width = pPlane->dst.width;
+ const uint32_t height = pPlane->dst.height;
+ uint8_t *const pDst = pPlane->dst.buf;
+ const int dstStride = pPlane->dst.stride;
+ for (int y = 0; y < (MAX_MIB_SIZE >> scaleVert); y += 1) {
+ uint8_t *p = pDst + y * MI_SIZE * dstStride;
+ for (int x = 0; x < (MAX_MIB_SIZE >> scaleHorz); x += 1) {
+ const MODE_INFO **const pCurr =
+ ppModeInfo + (y << scaleVert) * modeStride + (x << scaleHorz);
+ AV1_DEBLOCKING_PARAMETERS params;
+ memset(&params, 0, sizeof(params));
+ set_lpf_parameters(&params, pCurr, ((ptrdiff_t)1 << scaleHorz), cm,
+ VERT_EDGE, cuX + x * MI_SIZE, cuY + y * MI_SIZE, width,
+ height, scaleHorz, scaleVert);
+ switch (params.filterLength) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_vertical_4(p, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_lpf_vertical_8(p, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ break;
+#if CONFIG_PARALLEL_DEBLOCKING_15TAP || CONFIG_PARALLEL_DEBLOCKING_15TAPLUMAONLY
+ // apply 16-tap filtering
+ case 16:
+ aom_lpf_vertical_16(p, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ break;
+#endif // CONFIG_PARALLEL_DEBLOCKING_15TAP
+ // no filtering
+ default: break;
+ }
+ // process the internal edge
+ if (params.filterLengthInternal) {
+ aom_lpf_vertical_4(p + 4, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ }
+ // advance the destination pointer
+ p += 8;
+ }
+ }
+}
+
+static void av1_filter_block_plane_horz(const AV1_COMMON *const cm,
+ const MACROBLOCKD_PLANE *const pPlane,
+ const MODE_INFO **ppModeInfo,
+ const ptrdiff_t modeStride,
+ const uint32_t cuX,
+ const uint32_t cuY) {
+ const uint32_t scaleHorz = pPlane->subsampling_x;
+ const uint32_t scaleVert = pPlane->subsampling_y;
+ const uint32_t width = pPlane->dst.width;
+ const uint32_t height = pPlane->dst.height;
+ uint8_t *const pDst = pPlane->dst.buf;
+ const int dstStride = pPlane->dst.stride;
+ for (int y = 0; y < (MAX_MIB_SIZE >> scaleVert); y += 1) {
+ uint8_t *p = pDst + y * MI_SIZE * dstStride;
+ for (int x = 0; x < (MAX_MIB_SIZE >> scaleHorz); x += 1) {
+ const MODE_INFO **const pCurr =
+ ppModeInfo + (y << scaleVert) * modeStride + (x << scaleHorz);
+ AV1_DEBLOCKING_PARAMETERS params;
+ memset(&params, 0, sizeof(params));
+ set_lpf_parameters(&params, pCurr, (modeStride << scaleVert), cm,
+ HORZ_EDGE, cuX + x * MI_SIZE, cuY + y * MI_SIZE, width,
+ height, scaleHorz, scaleVert);
+ switch (params.filterLength) {
+ // apply 4-tap filtering
+ case 4:
+ aom_lpf_horizontal_4(p, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ break;
+ // apply 8-tap filtering
+ case 8:
+ aom_lpf_horizontal_8(p, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ break;
+#if CONFIG_PARALLEL_DEBLOCKING_15TAP || CONFIG_PARALLEL_DEBLOCKING_15TAPLUMAONLY
+ // apply 16-tap filtering
+ case 16:
+ aom_lpf_horizontal_edge_16(p, dstStride, params.mblim, params.lim,
+ params.hev_thr);
+ break;
+#endif // CONFIG_PARALLEL_DEBLOCKING_15TAP
+ // no filtering
+ default: break;
+ }
+ // process the internal edge
+ if (params.filterLengthInternal) {
+ aom_lpf_horizontal_4(p + 4 * dstStride, dstStride, params.mblim,
+ params.lim, params.hev_thr);
+ }
+ // advance the destination pointer
+ p += 8;
+ }
+ }
+}
+#endif // CONFIG_PARALLEL_DEBLOCKING
+#endif
+
+void av1_loop_filter_rows(YV12_BUFFER_CONFIG *frame_buffer, AV1_COMMON *cm,
+ struct macroblockd_plane planes[MAX_MB_PLANE],
+ int start, int stop, int y_only) {
+#if CONFIG_VAR_TX || CONFIG_EXT_PARTITION || CONFIG_EXT_PARTITION_TYPES || \
+ CONFIG_CB4X4
+ const int num_planes = y_only ? 1 : MAX_MB_PLANE;
+ int mi_row, mi_col;
+
+#if CONFIG_VAR_TX
+ memset(cm->above_txfm_context, TX_SIZES, cm->mi_cols);
+#endif // CONFIG_VAR_TX
+ for (mi_row = start; mi_row < stop; mi_row += cm->mib_size) {
+ MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride;
+#if CONFIG_VAR_TX
+ memset(cm->left_txfm_context, TX_SIZES, MAX_MIB_SIZE);
+#endif // CONFIG_VAR_TX
+ for (mi_col = 0; mi_col < cm->mi_cols; mi_col += cm->mib_size) {
+ int plane;
+
+ av1_setup_dst_planes(planes, cm->sb_size, frame_buffer, mi_row, mi_col);
+
+ for (plane = 0; plane < num_planes; ++plane) {
+ av1_filter_block_plane_non420_ver(cm, &planes[plane], mi + mi_col,
+ mi_row, mi_col);
+ av1_filter_block_plane_non420_hor(cm, &planes[plane], mi + mi_col,
+ mi_row, mi_col);
+ }
+ }
+ }
+#else // CONFIG_VAR_TX || CONFIG_EXT_PARTITION || CONFIG_EXT_PARTITION_TYPES
+ const int num_planes = y_only ? 1 : MAX_MB_PLANE;
+ int mi_row, mi_col;
+#if !CONFIG_PARALLEL_DEBLOCKING
+ enum lf_path path;
+ LOOP_FILTER_MASK lfm;
+
+ if (y_only)
+ path = LF_PATH_444;
+ else if (planes[1].subsampling_y == 1 && planes[1].subsampling_x == 1)
+ path = LF_PATH_420;
+ else if (planes[1].subsampling_y == 0 && planes[1].subsampling_x == 0)
+ path = LF_PATH_444;
+ else
+ path = LF_PATH_SLOW;
+#endif
+#if CONFIG_PARALLEL_DEBLOCKING
+ for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) {
+ MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride;
+ for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MAX_MIB_SIZE) {
+ av1_setup_dst_planes(planes, cm->sb_size, frame_buffer, mi_row, mi_col);
+ for (int planeIdx = 0; planeIdx < num_planes; planeIdx += 1) {
+ const int32_t scaleHorz = planes[planeIdx].subsampling_x;
+ const int32_t scaleVert = planes[planeIdx].subsampling_y;
+ av1_filter_block_plane_vert(
+ cm, planes + planeIdx, (const MODE_INFO **)(mi + mi_col),
+ cm->mi_stride, (mi_col * MI_SIZE) >> scaleHorz,
+ (mi_row * MI_SIZE) >> scaleVert);
+ }
+ }
+ }
+ for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) {
+ MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride;
+ for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MAX_MIB_SIZE) {
+ av1_setup_dst_planes(planes, cm->sb_size, frame_buffer, mi_row, mi_col);
+ for (int planeIdx = 0; planeIdx < num_planes; planeIdx += 1) {
+ const int32_t scaleHorz = planes[planeIdx].subsampling_x;
+ const int32_t scaleVert = planes[planeIdx].subsampling_y;
+ av1_filter_block_plane_horz(
+ cm, planes + planeIdx, (const MODE_INFO **)(mi + mi_col),
+ cm->mi_stride, (mi_col * MI_SIZE) >> scaleHorz,
+ (mi_row * MI_SIZE) >> scaleVert);
+ }
+ }
+ }
+#else // CONFIG_PARALLEL_DEBLOCKING
+ for (mi_row = start; mi_row < stop; mi_row += MAX_MIB_SIZE) {
+ MODE_INFO **mi = cm->mi_grid_visible + mi_row * cm->mi_stride;
+ for (mi_col = 0; mi_col < cm->mi_cols; mi_col += MAX_MIB_SIZE) {
+ int plane;
+
+ av1_setup_dst_planes(planes, cm->sb_size, frame_buffer, mi_row, mi_col);
+
+ // TODO(JBB): Make setup_mask work for non 420.
+ av1_setup_mask(cm, mi_row, mi_col, mi + mi_col, cm->mi_stride, &lfm);
+
+ av1_filter_block_plane_ss00_ver(cm, &planes[0], mi_row, &lfm);
+ av1_filter_block_plane_ss00_hor(cm, &planes[0], mi_row, &lfm);
+ for (plane = 1; plane < num_planes; ++plane) {
+ switch (path) {
+ case LF_PATH_420:
+ av1_filter_block_plane_ss11_ver(cm, &planes[plane], mi_row, &lfm);
+ av1_filter_block_plane_ss11_hor(cm, &planes[plane], mi_row, &lfm);
+ break;
+ case LF_PATH_444:
+ av1_filter_block_plane_ss00_ver(cm, &planes[plane], mi_row, &lfm);
+ av1_filter_block_plane_ss00_hor(cm, &planes[plane], mi_row, &lfm);
+ break;
+ case LF_PATH_SLOW:
+ av1_filter_block_plane_non420_ver(cm, &planes[plane], mi + mi_col,
+ mi_row, mi_col);
+ av1_filter_block_plane_non420_hor(cm, &planes[plane], mi + mi_col,
+ mi_row, mi_col);
+
+ break;
+ }
+ }
+ }
+ }
+#endif // CONFIG_PARALLEL_DEBLOCKING
+#endif // CONFIG_VAR_TX || CONFIG_EXT_PARTITION || CONFIG_EXT_PARTITION_TYPES
+}
+
+void av1_loop_filter_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm,
+ MACROBLOCKD *xd, int frame_filter_level, int y_only,
+ int partial_frame) {
+ int start_mi_row, end_mi_row, mi_rows_to_filter;
+#if CONFIG_EXT_DELTA_Q
+ int orig_filter_level = cm->lf.filter_level;
+#endif
+ if (!frame_filter_level) return;
+ start_mi_row = 0;
+ mi_rows_to_filter = cm->mi_rows;
+ if (partial_frame && cm->mi_rows > 8) {
+ start_mi_row = cm->mi_rows >> 1;
+ start_mi_row &= 0xfffffff8;
+ mi_rows_to_filter = AOMMAX(cm->mi_rows / 8, 8);
+ }
+ end_mi_row = start_mi_row + mi_rows_to_filter;
+ av1_loop_filter_frame_init(cm, frame_filter_level);
+#if CONFIG_EXT_DELTA_Q
+ cm->lf.filter_level = frame_filter_level;
+#endif
+ av1_loop_filter_rows(frame, cm, xd->plane, start_mi_row, end_mi_row, y_only);
+#if CONFIG_EXT_DELTA_Q
+ cm->lf.filter_level = orig_filter_level;
+#endif
+}
+
+void av1_loop_filter_data_reset(
+ LFWorkerData *lf_data, YV12_BUFFER_CONFIG *frame_buffer,
+ struct AV1Common *cm, const struct macroblockd_plane planes[MAX_MB_PLANE]) {
+ lf_data->frame_buffer = frame_buffer;
+ lf_data->cm = cm;
+ lf_data->start = 0;
+ lf_data->stop = 0;
+ lf_data->y_only = 0;
+ memcpy(lf_data->planes, planes, sizeof(lf_data->planes));
+}
+
+int av1_loop_filter_worker(LFWorkerData *const lf_data, void *unused) {
+ (void)unused;
+ av1_loop_filter_rows(lf_data->frame_buffer, lf_data->cm, lf_data->planes,
+ lf_data->start, lf_data->stop, lf_data->y_only);
+ return 1;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 12:55:33 +0000