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-rw-r--r--third_party/aom/av1/common/resize.c769
1 files changed, 392 insertions, 377 deletions
diff --git a/third_party/aom/av1/common/resize.c b/third_party/aom/av1/common/resize.c
index b0f303e35..17e6823b1 100644
--- a/third_party/aom/av1/common/resize.c
+++ b/third_party/aom/av1/common/resize.c
@@ -16,30 +16,18 @@
#include <stdlib.h>
#include <string.h>
-#include "./aom_config.h"
-#if CONFIG_HIGHBITDEPTH
+#include "config/aom_config.h"
+
#include "aom_dsp/aom_dsp_common.h"
-#endif // CONFIG_HIGHBITDEPTH
#include "aom_ports/mem.h"
#include "aom_scale/aom_scale.h"
#include "av1/common/common.h"
#include "av1/common/resize.h"
-#include "./aom_scale_rtcd.h"
-
-#define FILTER_BITS 7
-
-#define INTERP_TAPS 8
-#define SUBPEL_BITS_RS 6
-#define SUBPEL_MASK_RS ((1 << SUBPEL_BITS_RS) - 1)
-#define INTERP_PRECISION_BITS 16
-#define SUBPEL_INTERP_EXTRA_BITS (INTERP_PRECISION_BITS - SUBPEL_BITS_RS)
-#define SUBPEL_INTERP_EXTRA_OFF (1 << (SUBPEL_INTERP_EXTRA_BITS - 1))
-
-typedef int16_t interp_kernel[INTERP_TAPS];
+#include "config/aom_scale_rtcd.h"
// Filters for interpolation (0.5-band) - note this also filters integer pels.
-static const interp_kernel filteredinterp_filters500[(1 << SUBPEL_BITS_RS)] = {
+static const InterpKernel filteredinterp_filters500[(1 << RS_SUBPEL_BITS)] = {
{ -3, 0, 35, 64, 35, 0, -3, 0 }, { -3, 0, 34, 64, 36, 0, -3, 0 },
{ -3, -1, 34, 64, 36, 1, -3, 0 }, { -3, -1, 33, 64, 37, 1, -3, 0 },
{ -3, -1, 32, 64, 38, 1, -3, 0 }, { -3, -1, 31, 64, 39, 1, -3, 0 },
@@ -75,7 +63,7 @@ static const interp_kernel filteredinterp_filters500[(1 << SUBPEL_BITS_RS)] = {
};
// Filters for interpolation (0.625-band) - note this also filters integer pels.
-static const interp_kernel filteredinterp_filters625[(1 << SUBPEL_BITS_RS)] = {
+static const InterpKernel filteredinterp_filters625[(1 << RS_SUBPEL_BITS)] = {
{ -1, -8, 33, 80, 33, -8, -1, 0 }, { -1, -8, 31, 80, 34, -8, -1, 1 },
{ -1, -8, 30, 80, 35, -8, -1, 1 }, { -1, -8, 29, 80, 36, -7, -2, 1 },
{ -1, -8, 28, 80, 37, -7, -2, 1 }, { -1, -8, 27, 80, 38, -7, -2, 1 },
@@ -111,7 +99,7 @@ static const interp_kernel filteredinterp_filters625[(1 << SUBPEL_BITS_RS)] = {
};
// Filters for interpolation (0.75-band) - note this also filters integer pels.
-static const interp_kernel filteredinterp_filters750[(1 << SUBPEL_BITS_RS)] = {
+static const InterpKernel filteredinterp_filters750[(1 << RS_SUBPEL_BITS)] = {
{ 2, -11, 25, 96, 25, -11, 2, 0 }, { 2, -11, 24, 96, 26, -11, 2, 0 },
{ 2, -11, 22, 96, 28, -11, 2, 0 }, { 2, -10, 21, 96, 29, -12, 2, 0 },
{ 2, -10, 19, 96, 31, -12, 2, 0 }, { 2, -10, 18, 95, 32, -11, 2, 0 },
@@ -147,7 +135,7 @@ static const interp_kernel filteredinterp_filters750[(1 << SUBPEL_BITS_RS)] = {
};
// Filters for interpolation (0.875-band) - note this also filters integer pels.
-static const interp_kernel filteredinterp_filters875[(1 << SUBPEL_BITS_RS)] = {
+static const InterpKernel filteredinterp_filters875[(1 << RS_SUBPEL_BITS)] = {
{ 3, -8, 13, 112, 13, -8, 3, 0 }, { 2, -7, 12, 112, 15, -8, 3, -1 },
{ 3, -7, 10, 112, 17, -9, 3, -1 }, { 2, -6, 8, 112, 19, -9, 3, -1 },
{ 2, -6, 7, 112, 21, -10, 3, -1 }, { 2, -5, 6, 111, 22, -10, 3, -1 },
@@ -183,7 +171,7 @@ static const interp_kernel filteredinterp_filters875[(1 << SUBPEL_BITS_RS)] = {
};
// Filters for interpolation (full-band) - no filtering for integer pixels
-static const interp_kernel filteredinterp_filters1000[(1 << SUBPEL_BITS_RS)] = {
+static const InterpKernel filteredinterp_filters1000[(1 << RS_SUBPEL_BITS)] = {
{ 0, 0, 0, 128, 0, 0, 0, 0 }, { 0, 0, -1, 128, 2, -1, 0, 0 },
{ 0, 1, -3, 127, 4, -2, 1, 0 }, { 0, 1, -4, 127, 6, -3, 1, 0 },
{ 0, 2, -6, 126, 8, -3, 1, 0 }, { 0, 2, -7, 125, 11, -4, 1, 0 },
@@ -218,153 +206,116 @@ static const interp_kernel filteredinterp_filters1000[(1 << SUBPEL_BITS_RS)] = {
{ 0, 1, -2, 4, 127, -3, 1, 0 }, { 0, 0, -1, 2, 128, -1, 0, 0 },
};
-#if CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION
-#define INTERP_SIMPLE_TAPS 4
-static const int16_t filter_simple[(1
- << SUBPEL_BITS_RS)][INTERP_SIMPLE_TAPS] = {
-#if INTERP_SIMPLE_TAPS == 2
- { 128, 0 }, { 126, 2 }, { 124, 4 }, { 122, 6 }, { 120, 8 }, { 118, 10 },
- { 116, 12 }, { 114, 14 }, { 112, 16 }, { 110, 18 }, { 108, 20 }, { 106, 22 },
- { 104, 24 }, { 102, 26 }, { 100, 28 }, { 98, 30 }, { 96, 32 }, { 94, 34 },
- { 92, 36 }, { 90, 38 }, { 88, 40 }, { 86, 42 }, { 84, 44 }, { 82, 46 },
- { 80, 48 }, { 78, 50 }, { 76, 52 }, { 74, 54 }, { 72, 56 }, { 70, 58 },
- { 68, 60 }, { 66, 62 }, { 64, 64 }, { 62, 66 }, { 60, 68 }, { 58, 70 },
- { 56, 72 }, { 54, 74 }, { 52, 76 }, { 50, 78 }, { 48, 80 }, { 46, 82 },
- { 44, 84 }, { 42, 86 }, { 40, 88 }, { 38, 90 }, { 36, 92 }, { 34, 94 },
- { 32, 96 }, { 30, 98 }, { 28, 100 }, { 26, 102 }, { 24, 104 }, { 22, 106 },
- { 20, 108 }, { 18, 110 }, { 16, 112 }, { 14, 114 }, { 12, 116 }, { 10, 118 },
- { 8, 120 }, { 6, 122 }, { 4, 124 }, { 2, 126 },
-#elif INTERP_SIMPLE_TAPS == 4
- { 0, 128, 0, 0 }, { -1, 128, 2, -1 }, { -2, 127, 4, -1 },
- { -3, 126, 7, -2 }, { -4, 125, 9, -2 }, { -5, 125, 11, -3 },
- { -6, 124, 13, -3 }, { -7, 123, 16, -4 }, { -7, 122, 18, -5 },
- { -8, 121, 20, -5 }, { -9, 120, 23, -6 }, { -9, 118, 25, -6 },
- { -10, 117, 28, -7 }, { -11, 116, 30, -7 }, { -11, 114, 33, -8 },
- { -12, 113, 35, -8 }, { -12, 111, 38, -9 }, { -13, 109, 41, -9 },
- { -13, 108, 43, -10 }, { -13, 106, 45, -10 }, { -13, 104, 48, -11 },
- { -14, 102, 51, -11 }, { -14, 100, 53, -11 }, { -14, 98, 56, -12 },
- { -14, 96, 58, -12 }, { -14, 94, 61, -13 }, { -15, 92, 64, -13 },
- { -15, 90, 66, -13 }, { -15, 87, 69, -13 }, { -14, 85, 71, -14 },
- { -14, 83, 73, -14 }, { -14, 80, 76, -14 }, { -14, 78, 78, -14 },
- { -14, 76, 80, -14 }, { -14, 73, 83, -14 }, { -14, 71, 85, -14 },
- { -13, 69, 87, -15 }, { -13, 66, 90, -15 }, { -13, 64, 92, -15 },
- { -13, 61, 94, -14 }, { -12, 58, 96, -14 }, { -12, 56, 98, -14 },
- { -11, 53, 100, -14 }, { -11, 51, 102, -14 }, { -11, 48, 104, -13 },
- { -10, 45, 106, -13 }, { -10, 43, 108, -13 }, { -9, 41, 109, -13 },
- { -9, 38, 111, -12 }, { -8, 35, 113, -12 }, { -8, 33, 114, -11 },
- { -7, 30, 116, -11 }, { -7, 28, 117, -10 }, { -6, 25, 118, -9 },
- { -6, 23, 120, -9 }, { -5, 20, 121, -8 }, { -5, 18, 122, -7 },
- { -4, 16, 123, -7 }, { -3, 13, 124, -6 }, { -3, 11, 125, -5 },
- { -2, 9, 125, -4 }, { -2, 7, 126, -3 }, { -1, 4, 127, -2 },
- { -1, 2, 128, -1 },
-#elif INTERP_SIMPLE_TAPS == 6
- { 0, 0, 128, 0, 0, 0 }, { 0, -1, 128, 2, -1, 0 },
- { 1, -3, 127, 4, -2, 1 }, { 1, -4, 127, 6, -3, 1 },
- { 2, -6, 126, 8, -3, 1 }, { 2, -7, 125, 11, -4, 1 },
- { 2, -9, 125, 13, -5, 2 }, { 3, -10, 124, 15, -6, 2 },
- { 3, -11, 123, 18, -7, 2 }, { 3, -12, 122, 20, -8, 3 },
- { 4, -13, 121, 22, -9, 3 }, { 4, -14, 119, 25, -9, 3 },
- { 4, -15, 118, 27, -10, 4 }, { 4, -16, 117, 30, -11, 4 },
- { 5, -17, 116, 32, -12, 4 }, { 5, -17, 114, 35, -13, 4 },
- { 5, -18, 112, 37, -13, 5 }, { 5, -19, 111, 40, -14, 5 },
- { 6, -19, 109, 42, -15, 5 }, { 6, -20, 107, 45, -15, 5 },
- { 6, -20, 105, 48, -16, 5 }, { 6, -21, 103, 51, -17, 6 },
- { 6, -21, 101, 53, -17, 6 }, { 6, -21, 99, 56, -18, 6 },
- { 7, -22, 97, 58, -18, 6 }, { 7, -22, 95, 61, -19, 6 },
- { 7, -22, 93, 63, -19, 6 }, { 7, -22, 91, 66, -20, 6 },
- { 7, -22, 88, 69, -20, 6 }, { 7, -22, 86, 71, -21, 7 },
- { 7, -22, 83, 74, -21, 7 }, { 7, -22, 81, 76, -21, 7 },
- { 7, -22, 79, 79, -22, 7 }, { 7, -21, 76, 81, -22, 7 },
- { 7, -21, 74, 83, -22, 7 }, { 7, -21, 71, 86, -22, 7 },
- { 6, -20, 69, 88, -22, 7 }, { 6, -20, 66, 91, -22, 7 },
- { 6, -19, 63, 93, -22, 7 }, { 6, -19, 61, 95, -22, 7 },
- { 6, -18, 58, 97, -22, 7 }, { 6, -18, 56, 99, -21, 6 },
- { 6, -17, 53, 101, -21, 6 }, { 6, -17, 51, 103, -21, 6 },
- { 5, -16, 48, 105, -20, 6 }, { 5, -15, 45, 107, -20, 6 },
- { 5, -15, 42, 109, -19, 6 }, { 5, -14, 40, 111, -19, 5 },
- { 5, -13, 37, 112, -18, 5 }, { 4, -13, 35, 114, -17, 5 },
- { 4, -12, 32, 116, -17, 5 }, { 4, -11, 30, 117, -16, 4 },
- { 4, -10, 27, 118, -15, 4 }, { 3, -9, 25, 119, -14, 4 },
- { 3, -9, 22, 121, -13, 4 }, { 3, -8, 20, 122, -12, 3 },
- { 2, -7, 18, 123, -11, 3 }, { 2, -6, 15, 124, -10, 3 },
- { 2, -5, 13, 125, -9, 2 }, { 1, -4, 11, 125, -7, 2 },
- { 1, -3, 8, 126, -6, 2 }, { 1, -3, 6, 127, -4, 1 },
- { 1, -2, 4, 127, -3, 1 }, { 0, -1, 2, 128, -1, 0 },
+const int16_t av1_resize_filter_normative[(
+ 1 << RS_SUBPEL_BITS)][UPSCALE_NORMATIVE_TAPS] = {
+#if UPSCALE_NORMATIVE_TAPS == 8
+ { 0, 0, 0, 128, 0, 0, 0, 0 }, { 0, 0, -1, 128, 2, -1, 0, 0 },
+ { 0, 1, -3, 127, 4, -2, 1, 0 }, { 0, 1, -4, 127, 6, -3, 1, 0 },
+ { 0, 2, -6, 126, 8, -3, 1, 0 }, { 0, 2, -7, 125, 11, -4, 1, 0 },
+ { -1, 2, -8, 125, 13, -5, 2, 0 }, { -1, 3, -9, 124, 15, -6, 2, 0 },
+ { -1, 3, -10, 123, 18, -6, 2, -1 }, { -1, 3, -11, 122, 20, -7, 3, -1 },
+ { -1, 4, -12, 121, 22, -8, 3, -1 }, { -1, 4, -13, 120, 25, -9, 3, -1 },
+ { -1, 4, -14, 118, 28, -9, 3, -1 }, { -1, 4, -15, 117, 30, -10, 4, -1 },
+ { -1, 5, -16, 116, 32, -11, 4, -1 }, { -1, 5, -16, 114, 35, -12, 4, -1 },
+ { -1, 5, -17, 112, 38, -12, 4, -1 }, { -1, 5, -18, 111, 40, -13, 5, -1 },
+ { -1, 5, -18, 109, 43, -14, 5, -1 }, { -1, 6, -19, 107, 45, -14, 5, -1 },
+ { -1, 6, -19, 105, 48, -15, 5, -1 }, { -1, 6, -19, 103, 51, -16, 5, -1 },
+ { -1, 6, -20, 101, 53, -16, 6, -1 }, { -1, 6, -20, 99, 56, -17, 6, -1 },
+ { -1, 6, -20, 97, 58, -17, 6, -1 }, { -1, 6, -20, 95, 61, -18, 6, -1 },
+ { -2, 7, -20, 93, 64, -18, 6, -2 }, { -2, 7, -20, 91, 66, -19, 6, -1 },
+ { -2, 7, -20, 88, 69, -19, 6, -1 }, { -2, 7, -20, 86, 71, -19, 6, -1 },
+ { -2, 7, -20, 84, 74, -20, 7, -2 }, { -2, 7, -20, 81, 76, -20, 7, -1 },
+ { -2, 7, -20, 79, 79, -20, 7, -2 }, { -1, 7, -20, 76, 81, -20, 7, -2 },
+ { -2, 7, -20, 74, 84, -20, 7, -2 }, { -1, 6, -19, 71, 86, -20, 7, -2 },
+ { -1, 6, -19, 69, 88, -20, 7, -2 }, { -1, 6, -19, 66, 91, -20, 7, -2 },
+ { -2, 6, -18, 64, 93, -20, 7, -2 }, { -1, 6, -18, 61, 95, -20, 6, -1 },
+ { -1, 6, -17, 58, 97, -20, 6, -1 }, { -1, 6, -17, 56, 99, -20, 6, -1 },
+ { -1, 6, -16, 53, 101, -20, 6, -1 }, { -1, 5, -16, 51, 103, -19, 6, -1 },
+ { -1, 5, -15, 48, 105, -19, 6, -1 }, { -1, 5, -14, 45, 107, -19, 6, -1 },
+ { -1, 5, -14, 43, 109, -18, 5, -1 }, { -1, 5, -13, 40, 111, -18, 5, -1 },
+ { -1, 4, -12, 38, 112, -17, 5, -1 }, { -1, 4, -12, 35, 114, -16, 5, -1 },
+ { -1, 4, -11, 32, 116, -16, 5, -1 }, { -1, 4, -10, 30, 117, -15, 4, -1 },
+ { -1, 3, -9, 28, 118, -14, 4, -1 }, { -1, 3, -9, 25, 120, -13, 4, -1 },
+ { -1, 3, -8, 22, 121, -12, 4, -1 }, { -1, 3, -7, 20, 122, -11, 3, -1 },
+ { -1, 2, -6, 18, 123, -10, 3, -1 }, { 0, 2, -6, 15, 124, -9, 3, -1 },
+ { 0, 2, -5, 13, 125, -8, 2, -1 }, { 0, 1, -4, 11, 125, -7, 2, 0 },
+ { 0, 1, -3, 8, 126, -6, 2, 0 }, { 0, 1, -3, 6, 127, -4, 1, 0 },
+ { 0, 1, -2, 4, 127, -3, 1, 0 }, { 0, 0, -1, 2, 128, -1, 0, 0 },
#else
-#error "Invalid value of INTERP_SIMPLE_TAPS"
-#endif // INTERP_SIMPLE_TAPS == 2
+#error "Invalid value of UPSCALE_NORMATIVE_TAPS"
+#endif // UPSCALE_NORMATIVE_TAPS == 8
};
-#endif // CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION
// Filters for factor of 2 downsampling.
static const int16_t av1_down2_symeven_half_filter[] = { 56, 12, -3, -1 };
static const int16_t av1_down2_symodd_half_filter[] = { 64, 35, 0, -3 };
-static const interp_kernel *choose_interp_filter(int inlength, int outlength) {
- int outlength16 = outlength * 16;
- if (outlength16 >= inlength * 16)
+static const InterpKernel *choose_interp_filter(int in_length, int out_length) {
+ int out_length16 = out_length * 16;
+ if (out_length16 >= in_length * 16)
return filteredinterp_filters1000;
- else if (outlength16 >= inlength * 13)
+ else if (out_length16 >= in_length * 13)
return filteredinterp_filters875;
- else if (outlength16 >= inlength * 11)
+ else if (out_length16 >= in_length * 11)
return filteredinterp_filters750;
- else if (outlength16 >= inlength * 9)
+ else if (out_length16 >= in_length * 9)
return filteredinterp_filters625;
else
return filteredinterp_filters500;
}
-static void interpolate_core(const uint8_t *const input, int inlength,
- uint8_t *output, int outlength,
+static void interpolate_core(const uint8_t *const input, int in_length,
+ uint8_t *output, int out_length,
const int16_t *interp_filters, int interp_taps) {
const int32_t delta =
- (((uint32_t)inlength << INTERP_PRECISION_BITS) + outlength / 2) /
- outlength;
+ (((uint32_t)in_length << RS_SCALE_SUBPEL_BITS) + out_length / 2) /
+ out_length;
const int32_t offset =
- inlength > outlength
- ? (((int32_t)(inlength - outlength) << (INTERP_PRECISION_BITS - 1)) +
- outlength / 2) /
- outlength
- : -(((int32_t)(outlength - inlength) << (INTERP_PRECISION_BITS - 1)) +
- outlength / 2) /
- outlength;
+ in_length > out_length
+ ? (((int32_t)(in_length - out_length) << (RS_SCALE_SUBPEL_BITS - 1)) +
+ out_length / 2) /
+ out_length
+ : -(((int32_t)(out_length - in_length)
+ << (RS_SCALE_SUBPEL_BITS - 1)) +
+ out_length / 2) /
+ out_length;
uint8_t *optr = output;
int x, x1, x2, sum, k, int_pel, sub_pel;
int32_t y;
x = 0;
- y = offset + SUBPEL_INTERP_EXTRA_OFF;
- while ((y >> INTERP_PRECISION_BITS) < (interp_taps / 2 - 1)) {
+ y = offset + RS_SCALE_EXTRA_OFF;
+ while ((y >> RS_SCALE_SUBPEL_BITS) < (interp_taps / 2 - 1)) {
x++;
y += delta;
}
x1 = x;
- x = outlength - 1;
- y = delta * x + offset + SUBPEL_INTERP_EXTRA_OFF;
- while ((y >> INTERP_PRECISION_BITS) + (int32_t)(interp_taps / 2) >=
- inlength) {
+ x = out_length - 1;
+ y = delta * x + offset + RS_SCALE_EXTRA_OFF;
+ while ((y >> RS_SCALE_SUBPEL_BITS) + (int32_t)(interp_taps / 2) >=
+ in_length) {
x--;
y -= delta;
}
x2 = x;
if (x1 > x2) {
- for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < outlength;
+ for (x = 0, y = offset + RS_SCALE_EXTRA_OFF; x < out_length;
++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k) {
const int pk = int_pel - interp_taps / 2 + 1 + k;
- sum += filter[k] * input[AOMMAX(AOMMIN(pk, inlength - 1), 0)];
+ sum += filter[k] * input[AOMMAX(AOMMIN(pk, in_length - 1), 0)];
}
*optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
}
} else {
// Initial part.
- for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < x1; ++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ for (x = 0, y = offset + RS_SCALE_EXTRA_OFF; x < x1; ++x, y += delta) {
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k)
@@ -373,8 +324,8 @@ static void interpolate_core(const uint8_t *const input, int inlength,
}
// Middle part.
for (; x <= x2; ++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k)
@@ -382,35 +333,42 @@ static void interpolate_core(const uint8_t *const input, int inlength,
*optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
}
// End part.
- for (; x < outlength; ++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ for (; x < out_length; ++x, y += delta) {
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k)
sum += filter[k] *
- input[AOMMIN(int_pel - interp_taps / 2 + 1 + k, inlength - 1)];
+ input[AOMMIN(int_pel - interp_taps / 2 + 1 + k, in_length - 1)];
*optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
}
}
}
-static void interpolate(const uint8_t *const input, int inlength,
- uint8_t *output, int outlength) {
- const interp_kernel *interp_filters =
- choose_interp_filter(inlength, outlength);
+static void interpolate(const uint8_t *const input, int in_length,
+ uint8_t *output, int out_length) {
+ const InterpKernel *interp_filters =
+ choose_interp_filter(in_length, out_length);
+
+ interpolate_core(input, in_length, output, out_length, &interp_filters[0][0],
+ SUBPEL_TAPS);
+}
- interpolate_core(input, inlength, output, outlength, &interp_filters[0][0],
- INTERP_TAPS);
+int32_t av1_get_upscale_convolve_step(int in_length, int out_length) {
+ return ((in_length << RS_SCALE_SUBPEL_BITS) + out_length / 2) / out_length;
}
-#if CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION
-static void interpolate_simple(const uint8_t *const input, int inlength,
- uint8_t *output, int outlength) {
- interpolate_core(input, inlength, output, outlength, &filter_simple[0][0],
- INTERP_SIMPLE_TAPS);
+static int32_t get_upscale_convolve_x0(int in_length, int out_length,
+ int32_t x_step_qn) {
+ const int err = out_length * x_step_qn - (in_length << RS_SCALE_SUBPEL_BITS);
+ const int32_t x0 =
+ (-((out_length - in_length) << (RS_SCALE_SUBPEL_BITS - 1)) +
+ out_length / 2) /
+ out_length +
+ RS_SCALE_EXTRA_OFF - err / 2;
+ return (int32_t)((uint32_t)x0 & RS_SCALE_SUBPEL_MASK);
}
-#endif // CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION
#ifndef __clang_analyzer__
static void down2_symeven(const uint8_t *const input, int length,
@@ -525,8 +483,7 @@ static void down2_symodd(const uint8_t *const input, int length,
}
static int get_down2_length(int length, int steps) {
- int s;
- for (s = 0; s < steps; ++s) length = (length + 1) >> 1;
+ for (int s = 0; s < steps; ++s) length = (length + 1) >> 1;
return length;
}
@@ -536,6 +493,12 @@ static int get_down2_steps(int in_length, int out_length) {
while ((proj_in_length = get_down2_length(in_length, 1)) >= out_length) {
++steps;
in_length = proj_in_length;
+ if (in_length == 1) {
+ // Special case: we break because any further calls to get_down2_length()
+ // with be with length == 1, which return 1, resulting in an infinite
+ // loop.
+ break;
+ }
}
return steps;
}
@@ -624,97 +587,118 @@ Error:
aom_free(arrbuf2);
}
-#if CONFIG_FRAME_SUPERRES
-static void upscale_normative(const uint8_t *const input, int length,
- uint8_t *output, int olength) {
-#if CONFIG_LOOP_RESTORATION
- interpolate_simple(input, length, output, olength);
-#else
- interpolate(input, length, output, olength);
-#endif // CONFIG_LOOP_RESTORATION
-}
-
-static void upscale_normative_plane(const uint8_t *const input, int height,
- int width, int in_stride, uint8_t *output,
- int height2, int width2, int out_stride) {
- int i;
- uint8_t *intbuf = (uint8_t *)aom_malloc(sizeof(uint8_t) * width2 * height);
- uint8_t *arrbuf = (uint8_t *)aom_malloc(sizeof(uint8_t) * height);
- uint8_t *arrbuf2 = (uint8_t *)aom_malloc(sizeof(uint8_t) * height2);
- if (intbuf == NULL || arrbuf == NULL || arrbuf2 == NULL) goto Error;
+static void upscale_normative_rect(const uint8_t *const input, int height,
+ int width, int in_stride, uint8_t *output,
+ int height2, int width2, int out_stride,
+ int x_step_qn, int x0_qn, int pad_left,
+ int pad_right) {
assert(width > 0);
assert(height > 0);
assert(width2 > 0);
assert(height2 > 0);
- for (i = 0; i < height; ++i)
- upscale_normative(input + in_stride * i, width, intbuf + width2 * i,
- width2);
- for (i = 0; i < width2; ++i) {
- fill_col_to_arr(intbuf + i, width2, height, arrbuf);
- upscale_normative(arrbuf, height, arrbuf2, height2);
- fill_arr_to_col(output + i, out_stride, height2, arrbuf2);
+ assert(height2 == height);
+
+ // Extend the left/right pixels of the tile column if needed
+ // (either because we can't sample from other tiles, or because we're at
+ // a frame edge).
+ // Save the overwritten pixels into tmp_left and tmp_right.
+ // Note: Because we pass input-1 to av1_convolve_horiz_rs, we need one extra
+ // column of border pixels compared to what we'd naively think.
+ const int border_cols = UPSCALE_NORMATIVE_TAPS / 2 + 1;
+ uint8_t *tmp_left =
+ NULL; // Silence spurious "may be used uninitialized" warnings
+ uint8_t *tmp_right = NULL;
+ uint8_t *const in_tl = (uint8_t *)(input - border_cols); // Cast off 'const'
+ uint8_t *const in_tr = (uint8_t *)(input + width);
+ if (pad_left) {
+ tmp_left = (uint8_t *)aom_malloc(sizeof(*tmp_left) * border_cols * height);
+ for (int i = 0; i < height; i++) {
+ memcpy(tmp_left + i * border_cols, in_tl + i * in_stride, border_cols);
+ memset(in_tl + i * in_stride, input[i * in_stride], border_cols);
+ }
+ }
+ if (pad_right) {
+ tmp_right =
+ (uint8_t *)aom_malloc(sizeof(*tmp_right) * border_cols * height);
+ for (int i = 0; i < height; i++) {
+ memcpy(tmp_right + i * border_cols, in_tr + i * in_stride, border_cols);
+ memset(in_tr + i * in_stride, input[i * in_stride + width - 1],
+ border_cols);
+ }
}
-Error:
- aom_free(intbuf);
- aom_free(arrbuf);
- aom_free(arrbuf2);
+ av1_convolve_horiz_rs(input - 1, in_stride, output, out_stride, width2,
+ height2, &av1_resize_filter_normative[0][0], x0_qn,
+ x_step_qn);
+
+ // Restore the left/right border pixels
+ if (pad_left) {
+ for (int i = 0; i < height; i++) {
+ memcpy(in_tl + i * in_stride, tmp_left + i * border_cols, border_cols);
+ }
+ aom_free(tmp_left);
+ }
+ if (pad_right) {
+ for (int i = 0; i < height; i++) {
+ memcpy(in_tr + i * in_stride, tmp_right + i * border_cols, border_cols);
+ }
+ aom_free(tmp_right);
+ }
}
-#endif // CONFIG_FRAME_SUPERRES
-#if CONFIG_HIGHBITDEPTH
-static void highbd_interpolate_core(const uint16_t *const input, int inlength,
- uint16_t *output, int outlength, int bd,
+static void highbd_interpolate_core(const uint16_t *const input, int in_length,
+ uint16_t *output, int out_length, int bd,
const int16_t *interp_filters,
int interp_taps) {
const int32_t delta =
- (((uint32_t)inlength << INTERP_PRECISION_BITS) + outlength / 2) /
- outlength;
+ (((uint32_t)in_length << RS_SCALE_SUBPEL_BITS) + out_length / 2) /
+ out_length;
const int32_t offset =
- inlength > outlength
- ? (((int32_t)(inlength - outlength) << (INTERP_PRECISION_BITS - 1)) +
- outlength / 2) /
- outlength
- : -(((int32_t)(outlength - inlength) << (INTERP_PRECISION_BITS - 1)) +
- outlength / 2) /
- outlength;
+ in_length > out_length
+ ? (((int32_t)(in_length - out_length) << (RS_SCALE_SUBPEL_BITS - 1)) +
+ out_length / 2) /
+ out_length
+ : -(((int32_t)(out_length - in_length)
+ << (RS_SCALE_SUBPEL_BITS - 1)) +
+ out_length / 2) /
+ out_length;
uint16_t *optr = output;
int x, x1, x2, sum, k, int_pel, sub_pel;
int32_t y;
x = 0;
- y = offset + SUBPEL_INTERP_EXTRA_OFF;
- while ((y >> INTERP_PRECISION_BITS) < (interp_taps / 2 - 1)) {
+ y = offset + RS_SCALE_EXTRA_OFF;
+ while ((y >> RS_SCALE_SUBPEL_BITS) < (interp_taps / 2 - 1)) {
x++;
y += delta;
}
x1 = x;
- x = outlength - 1;
- y = delta * x + offset + SUBPEL_INTERP_EXTRA_OFF;
- while ((y >> INTERP_PRECISION_BITS) + (int32_t)(interp_taps / 2) >=
- inlength) {
+ x = out_length - 1;
+ y = delta * x + offset + RS_SCALE_EXTRA_OFF;
+ while ((y >> RS_SCALE_SUBPEL_BITS) + (int32_t)(interp_taps / 2) >=
+ in_length) {
x--;
y -= delta;
}
x2 = x;
if (x1 > x2) {
- for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < outlength;
+ for (x = 0, y = offset + RS_SCALE_EXTRA_OFF; x < out_length;
++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k) {
const int pk = int_pel - interp_taps / 2 + 1 + k;
- sum += filter[k] * input[AOMMAX(AOMMIN(pk, inlength - 1), 0)];
+ sum += filter[k] * input[AOMMAX(AOMMIN(pk, in_length - 1), 0)];
}
*optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
}
} else {
// Initial part.
- for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < x1; ++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ for (x = 0, y = offset + RS_SCALE_EXTRA_OFF; x < x1; ++x, y += delta) {
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k)
@@ -723,8 +707,8 @@ static void highbd_interpolate_core(const uint16_t *const input, int inlength,
}
// Middle part.
for (; x <= x2; ++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k)
@@ -732,35 +716,27 @@ static void highbd_interpolate_core(const uint16_t *const input, int inlength,
*optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
}
// End part.
- for (; x < outlength; ++x, y += delta) {
- int_pel = y >> INTERP_PRECISION_BITS;
- sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS;
+ for (; x < out_length; ++x, y += delta) {
+ int_pel = y >> RS_SCALE_SUBPEL_BITS;
+ sub_pel = (y >> RS_SCALE_EXTRA_BITS) & RS_SUBPEL_MASK;
const int16_t *filter = &interp_filters[sub_pel * interp_taps];
sum = 0;
for (k = 0; k < interp_taps; ++k)
sum += filter[k] *
- input[AOMMIN(int_pel - interp_taps / 2 + 1 + k, inlength - 1)];
+ input[AOMMIN(int_pel - interp_taps / 2 + 1 + k, in_length - 1)];
*optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
}
}
}
-static void highbd_interpolate(const uint16_t *const input, int inlength,
- uint16_t *output, int outlength, int bd) {
- const interp_kernel *interp_filters =
- choose_interp_filter(inlength, outlength);
-
- highbd_interpolate_core(input, inlength, output, outlength, bd,
- &interp_filters[0][0], INTERP_TAPS);
-}
+static void highbd_interpolate(const uint16_t *const input, int in_length,
+ uint16_t *output, int out_length, int bd) {
+ const InterpKernel *interp_filters =
+ choose_interp_filter(in_length, out_length);
-#if CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION
-static void highbd_interpolate_simple(const uint16_t *const input, int inlength,
- uint16_t *output, int outlength, int bd) {
- highbd_interpolate_core(input, inlength, output, outlength, bd,
- &filter_simple[0][0], INTERP_SIMPLE_TAPS);
+ highbd_interpolate_core(input, in_length, output, out_length, bd,
+ &interp_filters[0][0], SUBPEL_TAPS);
}
-#endif // CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION
#ifndef __clang_analyzer__
static void highbd_down2_symeven(const uint16_t *const input, int length,
@@ -958,44 +934,68 @@ Error:
aom_free(arrbuf2);
}
-#if CONFIG_FRAME_SUPERRES
-static void highbd_upscale_normative(const uint16_t *const input, int length,
- uint16_t *output, int olength, int bd) {
-#if CONFIG_LOOP_RESTORATION
- highbd_interpolate_simple(input, length, output, olength, bd);
-#else
- highbd_interpolate(input, length, output, olength, bd);
-#endif // CONFIG_LOOP_RESTORATION
-}
-
-static void highbd_upscale_normative_plane(const uint8_t *const input,
- int height, int width, int in_stride,
- uint8_t *output, int height2,
- int width2, int out_stride, int bd) {
- int i;
- uint16_t *intbuf = (uint16_t *)aom_malloc(sizeof(uint16_t) * width2 * height);
- uint16_t *arrbuf = (uint16_t *)aom_malloc(sizeof(uint16_t) * height);
- uint16_t *arrbuf2 = (uint16_t *)aom_malloc(sizeof(uint16_t) * height2);
- if (intbuf == NULL || arrbuf == NULL || arrbuf2 == NULL) goto Error;
- for (i = 0; i < height; ++i) {
- highbd_upscale_normative(CONVERT_TO_SHORTPTR(input + in_stride * i), width,
- intbuf + width2 * i, width2, bd);
+static void highbd_upscale_normative_rect(const uint8_t *const input,
+ int height, int width, int in_stride,
+ uint8_t *output, int height2,
+ int width2, int out_stride,
+ int x_step_qn, int x0_qn,
+ int pad_left, int pad_right, int bd) {
+ assert(width > 0);
+ assert(height > 0);
+ assert(width2 > 0);
+ assert(height2 > 0);
+ assert(height2 == height);
+
+ // Extend the left/right pixels of the tile column if needed
+ // (either because we can't sample from other tiles, or because we're at
+ // a frame edge).
+ // Save the overwritten pixels into tmp_left and tmp_right.
+ // Note: Because we pass input-1 to av1_convolve_horiz_rs, we need one extra
+ // column of border pixels compared to what we'd naively think.
+ const int border_cols = UPSCALE_NORMATIVE_TAPS / 2 + 1;
+ const int border_size = border_cols * sizeof(uint16_t);
+ uint16_t *tmp_left =
+ NULL; // Silence spurious "may be used uninitialized" warnings
+ uint16_t *tmp_right = NULL;
+ uint16_t *const input16 = CONVERT_TO_SHORTPTR(input);
+ uint16_t *const in_tl = input16 - border_cols;
+ uint16_t *const in_tr = input16 + width;
+ if (pad_left) {
+ tmp_left = (uint16_t *)aom_malloc(sizeof(*tmp_left) * border_cols * height);
+ for (int i = 0; i < height; i++) {
+ memcpy(tmp_left + i * border_cols, in_tl + i * in_stride, border_size);
+ aom_memset16(in_tl + i * in_stride, input16[i * in_stride], border_cols);
+ }
}
- for (i = 0; i < width2; ++i) {
- highbd_fill_col_to_arr(intbuf + i, width2, height, arrbuf);
- highbd_upscale_normative(arrbuf, height, arrbuf2, height2, bd);
- highbd_fill_arr_to_col(CONVERT_TO_SHORTPTR(output + i), out_stride, height2,
- arrbuf2);
+ if (pad_right) {
+ tmp_right =
+ (uint16_t *)aom_malloc(sizeof(*tmp_right) * border_cols * height);
+ for (int i = 0; i < height; i++) {
+ memcpy(tmp_right + i * border_cols, in_tr + i * in_stride, border_size);
+ aom_memset16(in_tr + i * in_stride, input16[i * in_stride + width - 1],
+ border_cols);
+ }
}
-Error:
- aom_free(intbuf);
- aom_free(arrbuf);
- aom_free(arrbuf2);
-}
-#endif // CONFIG_FRAME_SUPERRES
+ av1_highbd_convolve_horiz_rs(CONVERT_TO_SHORTPTR(input - 1), in_stride,
+ CONVERT_TO_SHORTPTR(output), out_stride, width2,
+ height2, &av1_resize_filter_normative[0][0],
+ x0_qn, x_step_qn, bd);
-#endif // CONFIG_HIGHBITDEPTH
+ // Restore the left/right border pixels
+ if (pad_left) {
+ for (int i = 0; i < height; i++) {
+ memcpy(in_tl + i * in_stride, tmp_left + i * border_cols, border_size);
+ }
+ aom_free(tmp_left);
+ }
+ if (pad_right) {
+ for (int i = 0; i < height; i++) {
+ memcpy(in_tr + i * in_stride, tmp_right + i * border_cols, border_size);
+ }
+ aom_free(tmp_right);
+ }
+}
void av1_resize_frame420(const uint8_t *const y, int y_stride,
const uint8_t *const u, const uint8_t *const v,
@@ -1031,7 +1031,6 @@ void av1_resize_frame444(const uint8_t *const y, int y_stride,
resize_plane(v, height, width, uv_stride, ov, oheight, owidth, ouv_stride);
}
-#if CONFIG_HIGHBITDEPTH
void av1_highbd_resize_frame420(const uint8_t *const y, int y_stride,
const uint8_t *const u, const uint8_t *const v,
int uv_stride, int height, int width,
@@ -1073,125 +1072,137 @@ void av1_highbd_resize_frame444(const uint8_t *const y, int y_stride,
highbd_resize_plane(v, height, width, uv_stride, ov, oheight, owidth,
ouv_stride, bd);
}
-#endif // CONFIG_HIGHBITDEPTH
-#if CONFIG_HIGHBITDEPTH
-void av1_resize_and_extend_frame(const YV12_BUFFER_CONFIG *src,
- YV12_BUFFER_CONFIG *dst, int bd) {
-#else
void av1_resize_and_extend_frame(const YV12_BUFFER_CONFIG *src,
- YV12_BUFFER_CONFIG *dst) {
-#endif // CONFIG_HIGHBITDEPTH
+ YV12_BUFFER_CONFIG *dst, int bd,
+ const int num_planes) {
// TODO(dkovalev): replace YV12_BUFFER_CONFIG with aom_image_t
- int i;
- const uint8_t *const srcs[3] = { src->y_buffer, src->u_buffer,
- src->v_buffer };
- const int src_strides[3] = { src->y_stride, src->uv_stride, src->uv_stride };
- const int src_widths[3] = { src->y_crop_width, src->uv_crop_width,
- src->uv_crop_width };
- const int src_heights[3] = { src->y_crop_height, src->uv_crop_height,
- src->uv_crop_height };
- uint8_t *const dsts[3] = { dst->y_buffer, dst->u_buffer, dst->v_buffer };
- const int dst_strides[3] = { dst->y_stride, dst->uv_stride, dst->uv_stride };
- const int dst_widths[3] = { dst->y_crop_width, dst->uv_crop_width,
- dst->uv_crop_width };
- const int dst_heights[3] = { dst->y_crop_height, dst->uv_crop_height,
- dst->uv_crop_height };
-
- for (i = 0; i < MAX_MB_PLANE; ++i) {
-#if CONFIG_HIGHBITDEPTH
+
+ // We use AOMMIN(num_planes, MAX_MB_PLANE) instead of num_planes to quiet
+ // the static analysis warnings.
+ for (int i = 0; i < AOMMIN(num_planes, MAX_MB_PLANE); ++i) {
+ const int is_uv = i > 0;
if (src->flags & YV12_FLAG_HIGHBITDEPTH)
- highbd_resize_plane(srcs[i], src_heights[i], src_widths[i],
- src_strides[i], dsts[i], dst_heights[i],
- dst_widths[i], dst_strides[i], bd);
+ highbd_resize_plane(src->buffers[i], src->crop_heights[is_uv],
+ src->crop_widths[is_uv], src->strides[is_uv],
+ dst->buffers[i], dst->crop_heights[is_uv],
+ dst->crop_widths[is_uv], dst->strides[is_uv], bd);
else
-#endif // CONFIG_HIGHBITDEPTH
- resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i],
- dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]);
+ resize_plane(src->buffers[i], src->crop_heights[is_uv],
+ src->crop_widths[is_uv], src->strides[is_uv],
+ dst->buffers[i], dst->crop_heights[is_uv],
+ dst->crop_widths[is_uv], dst->strides[is_uv]);
}
- aom_extend_frame_borders(dst);
+ aom_extend_frame_borders(dst, num_planes);
}
-#if CONFIG_FRAME_SUPERRES
-#if CONFIG_HIGHBITDEPTH
-void av1_upscale_normative_and_extend_frame(const YV12_BUFFER_CONFIG *src,
- YV12_BUFFER_CONFIG *dst, int bd) {
-#else
-void av1_upscale_normative_and_extend_frame(const YV12_BUFFER_CONFIG *src,
- YV12_BUFFER_CONFIG *dst) {
-#endif // CONFIG_HIGHBITDEPTH
- // TODO(dkovalev): replace YV12_BUFFER_CONFIG with aom_image_t
- int i;
- const uint8_t *const srcs[3] = { src->y_buffer, src->u_buffer,
- src->v_buffer };
- const int src_strides[3] = { src->y_stride, src->uv_stride, src->uv_stride };
- const int src_widths[3] = { src->y_crop_width, src->uv_crop_width,
- src->uv_crop_width };
- const int src_heights[3] = { src->y_crop_height, src->uv_crop_height,
- src->uv_crop_height };
- uint8_t *const dsts[3] = { dst->y_buffer, dst->u_buffer, dst->v_buffer };
- const int dst_strides[3] = { dst->y_stride, dst->uv_stride, dst->uv_stride };
- const int dst_widths[3] = { dst->y_crop_width, dst->uv_crop_width,
- dst->uv_crop_width };
- const int dst_heights[3] = { dst->y_crop_height, dst->uv_crop_height,
- dst->uv_crop_height };
-
- for (i = 0; i < MAX_MB_PLANE; ++i) {
-#if CONFIG_HIGHBITDEPTH
- if (src->flags & YV12_FLAG_HIGHBITDEPTH)
- highbd_upscale_normative_plane(srcs[i], src_heights[i], src_widths[i],
- src_strides[i], dsts[i], dst_heights[i],
- dst_widths[i], dst_strides[i], bd);
+void av1_upscale_normative_rows(const AV1_COMMON *cm, const uint8_t *src,
+ int src_stride, uint8_t *dst, int dst_stride,
+ int plane, int rows) {
+ const int is_uv = (plane > 0);
+ const int ss_x = is_uv && cm->subsampling_x;
+ const int downscaled_plane_width = ROUND_POWER_OF_TWO(cm->width, ss_x);
+ const int upscaled_plane_width =
+ ROUND_POWER_OF_TWO(cm->superres_upscaled_width, ss_x);
+ const int superres_denom = cm->superres_scale_denominator;
+
+ TileInfo tile_col;
+ const int32_t x_step_qn = av1_get_upscale_convolve_step(
+ downscaled_plane_width, upscaled_plane_width);
+ int32_t x0_qn = get_upscale_convolve_x0(downscaled_plane_width,
+ upscaled_plane_width, x_step_qn);
+
+ for (int j = 0; j < cm->tile_cols; j++) {
+ av1_tile_set_col(&tile_col, cm, j);
+ // Determine the limits of this tile column in both the source
+ // and destination images.
+ // Note: The actual location which we start sampling from is
+ // (downscaled_x0 - 1 + (x0_qn/2^14)), and this quantity increases
+ // by exactly dst_width * (x_step_qn/2^14) pixels each iteration.
+ const int downscaled_x0 = tile_col.mi_col_start << (MI_SIZE_LOG2 - ss_x);
+ const int downscaled_x1 = tile_col.mi_col_end << (MI_SIZE_LOG2 - ss_x);
+ const int src_width = downscaled_x1 - downscaled_x0;
+
+ const int upscaled_x0 = (downscaled_x0 * superres_denom) / SCALE_NUMERATOR;
+ int upscaled_x1;
+ if (j == cm->tile_cols - 1) {
+ // Note that we can't just use AOMMIN here - due to rounding,
+ // (downscaled_x1 * superres_denom) / SCALE_NUMERATOR may be less than
+ // upscaled_plane_width.
+ upscaled_x1 = upscaled_plane_width;
+ } else {
+ upscaled_x1 = (downscaled_x1 * superres_denom) / SCALE_NUMERATOR;
+ }
+
+ const uint8_t *const src_ptr = src + downscaled_x0;
+ uint8_t *const dst_ptr = dst + upscaled_x0;
+ const int dst_width = upscaled_x1 - upscaled_x0;
+
+ const int pad_left = (j == 0);
+ const int pad_right = (j == cm->tile_cols - 1);
+
+ if (cm->use_highbitdepth)
+ highbd_upscale_normative_rect(
+ src_ptr, rows, src_width, src_stride, dst_ptr, rows, dst_width,
+ dst_stride, x_step_qn, x0_qn, pad_left, pad_right, cm->bit_depth);
else
-#endif // CONFIG_HIGHBITDEPTH
- upscale_normative_plane(srcs[i], src_heights[i], src_widths[i],
- src_strides[i], dsts[i], dst_heights[i],
- dst_widths[i], dst_strides[i]);
+ upscale_normative_rect(src_ptr, rows, src_width, src_stride, dst_ptr,
+ rows, dst_width, dst_stride, x_step_qn, x0_qn,
+ pad_left, pad_right);
+
+ // Update the fractional pixel offset to prepare for the next tile column.
+ x0_qn += (dst_width * x_step_qn) - (src_width << RS_SCALE_SUBPEL_BITS);
}
- aom_extend_frame_borders(dst);
}
-#endif // CONFIG_FRAME_SUPERRES
+
+void av1_upscale_normative_and_extend_frame(const AV1_COMMON *cm,
+ const YV12_BUFFER_CONFIG *src,
+ YV12_BUFFER_CONFIG *dst) {
+ const int num_planes = av1_num_planes(cm);
+ for (int i = 0; i < num_planes; ++i) {
+ const int is_uv = (i > 0);
+ av1_upscale_normative_rows(cm, src->buffers[i], src->strides[is_uv],
+ dst->buffers[i], dst->strides[is_uv], i,
+ src->crop_heights[is_uv]);
+ }
+
+ aom_extend_frame_borders(dst, num_planes);
+}
YV12_BUFFER_CONFIG *av1_scale_if_required(AV1_COMMON *cm,
YV12_BUFFER_CONFIG *unscaled,
YV12_BUFFER_CONFIG *scaled) {
+ const int num_planes = av1_num_planes(cm);
if (cm->width != unscaled->y_crop_width ||
cm->height != unscaled->y_crop_height) {
-#if CONFIG_HIGHBITDEPTH
- av1_resize_and_extend_frame(unscaled, scaled, (int)cm->bit_depth);
-#else
- av1_resize_and_extend_frame(unscaled, scaled);
-#endif // CONFIG_HIGHBITDEPTH
+ av1_resize_and_extend_frame(unscaled, scaled, (int)cm->bit_depth,
+ num_planes);
return scaled;
} else {
return unscaled;
}
}
-// Calculates scaled dimensions given original dimensions and the scale
-// denominator. If 'scale_height' is 1, both width and height are scaled;
-// otherwise, only the width is scaled.
-static void calculate_scaled_size_helper(int *width, int *height, int denom,
- int scale_height) {
+// Calculates the scaled dimension given the original dimension and the scale
+// denominator.
+static void calculate_scaled_size_helper(int *dim, int denom) {
if (denom != SCALE_NUMERATOR) {
- *width = *width * SCALE_NUMERATOR / denom;
- *width += *width & 1; // Make it even.
- if (scale_height) {
- *height = *height * SCALE_NUMERATOR / denom;
- *height += *height & 1; // Make it even.
- }
+ // Use this version if we need *dim to be even
+ // *width = (*width * SCALE_NUMERATOR + denom) / (2 * denom);
+ // *width <<= 1;
+ *dim = (*dim * SCALE_NUMERATOR + denom / 2) / (denom);
}
}
void av1_calculate_scaled_size(int *width, int *height, int resize_denom) {
- calculate_scaled_size_helper(width, height, resize_denom, 1);
+ calculate_scaled_size_helper(width, resize_denom);
+ calculate_scaled_size_helper(height, resize_denom);
}
-#if CONFIG_FRAME_SUPERRES
void av1_calculate_scaled_superres_size(int *width, int *height,
int superres_denom) {
- calculate_scaled_size_helper(width, height, superres_denom,
- !CONFIG_HORZONLY_FRAME_SUPERRES);
+ (void)height;
+ calculate_scaled_size_helper(width, superres_denom);
}
void av1_calculate_unscaled_superres_size(int *width, int *height, int denom) {
@@ -1199,38 +1210,47 @@ void av1_calculate_unscaled_superres_size(int *width, int *height, int denom) {
// Note: av1_calculate_scaled_superres_size() rounds *up* after division
// when the resulting dimensions are odd. So here, we round *down*.
*width = *width * denom / SCALE_NUMERATOR;
-#if CONFIG_HORZONLY_FRAME_SUPERRES
(void)height;
-#else
- *height = *height * denom / SCALE_NUMERATOR;
-#endif // CONFIG_HORZONLY_FRAME_SUPERRES
}
}
+// Copy only the config data from 'src' to 'dst'.
+static void copy_buffer_config(const YV12_BUFFER_CONFIG *const src,
+ YV12_BUFFER_CONFIG *const dst) {
+ dst->bit_depth = src->bit_depth;
+ dst->color_primaries = src->color_primaries;
+ dst->transfer_characteristics = src->transfer_characteristics;
+ dst->matrix_coefficients = src->matrix_coefficients;
+ dst->monochrome = src->monochrome;
+ dst->chroma_sample_position = src->chroma_sample_position;
+ dst->color_range = src->color_range;
+}
+
// TODO(afergs): Look for in-place upscaling
// TODO(afergs): aom_ vs av1_ functions? Which can I use?
// Upscale decoded image.
void av1_superres_upscale(AV1_COMMON *cm, BufferPool *const pool) {
- if (av1_superres_unscaled(cm)) return;
+ const int num_planes = av1_num_planes(cm);
+ if (!av1_superres_scaled(cm)) return;
YV12_BUFFER_CONFIG copy_buffer;
memset(&copy_buffer, 0, sizeof(copy_buffer));
YV12_BUFFER_CONFIG *const frame_to_show = get_frame_new_buffer(cm);
- if (aom_alloc_frame_buffer(&copy_buffer, cm->width, cm->height,
+ const int aligned_width = ALIGN_POWER_OF_TWO(cm->width, 3);
+ if (aom_alloc_frame_buffer(&copy_buffer, aligned_width, cm->height,
cm->subsampling_x, cm->subsampling_y,
-#if CONFIG_HIGHBITDEPTH
- cm->use_highbitdepth,
-#endif // CONFIG_HIGHBITDEPTH
- AOM_BORDER_IN_PIXELS, cm->byte_alignment))
+ cm->use_highbitdepth, AOM_BORDER_IN_PIXELS,
+ cm->byte_alignment))
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate copy buffer for superres upscaling");
- // Copy function assumes the frames are the same size, doesn't copy bit_depth.
- aom_yv12_copy_frame(frame_to_show, &copy_buffer);
- copy_buffer.bit_depth = frame_to_show->bit_depth;
- assert(copy_buffer.y_crop_width == cm->width);
+ // Copy function assumes the frames are the same size.
+ // Note that it does not copy YV12_BUFFER_CONFIG config data.
+ aom_yv12_copy_frame(frame_to_show, &copy_buffer, num_planes);
+
+ assert(copy_buffer.y_crop_width == aligned_width);
assert(copy_buffer.y_crop_height == cm->height);
// Realloc the current frame buffer at a higher resolution in place.
@@ -1248,48 +1268,43 @@ void av1_superres_upscale(AV1_COMMON *cm, BufferPool *const pool) {
&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to free current frame buffer before superres upscaling");
- if (aom_realloc_frame_buffer(
- frame_to_show, cm->superres_upscaled_width,
- cm->superres_upscaled_height, cm->subsampling_x, cm->subsampling_y,
-#if CONFIG_HIGHBITDEPTH
- cm->use_highbitdepth,
-#endif // CONFIG_HIGHBITDEPTH
- AOM_BORDER_IN_PIXELS, cm->byte_alignment, fb, cb, cb_priv))
+ // aom_realloc_frame_buffer() leaves config data for frame_to_show intact
+ if (aom_realloc_frame_buffer(frame_to_show, cm->superres_upscaled_width,
+ cm->superres_upscaled_height,
+ cm->subsampling_x, cm->subsampling_y,
+ cm->use_highbitdepth, AOM_BORDER_IN_PIXELS,
+ cm->byte_alignment, fb, cb, cb_priv))
aom_internal_error(
&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate current frame buffer for superres upscaling");
} else {
+ // Make a copy of the config data for frame_to_show in copy_buffer
+ copy_buffer_config(frame_to_show, &copy_buffer);
+
// Don't use callbacks on the encoder.
+ // aom_alloc_frame_buffer() clears the config data for frame_to_show
if (aom_alloc_frame_buffer(frame_to_show, cm->superres_upscaled_width,
cm->superres_upscaled_height, cm->subsampling_x,
- cm->subsampling_y,
-#if CONFIG_HIGHBITDEPTH
- cm->use_highbitdepth,
-#endif // CONFIG_HIGHBITDEPTH
+ cm->subsampling_y, cm->use_highbitdepth,
AOM_BORDER_IN_PIXELS, cm->byte_alignment))
aom_internal_error(
&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to reallocate current frame buffer for superres upscaling");
+
+ // Restore config data back to frame_to_show
+ copy_buffer_config(&copy_buffer, frame_to_show);
}
// TODO(afergs): verify frame_to_show is correct after realloc
// encoder:
// decoder:
- frame_to_show->bit_depth = copy_buffer.bit_depth;
+
assert(frame_to_show->y_crop_width == cm->superres_upscaled_width);
assert(frame_to_show->y_crop_height == cm->superres_upscaled_height);
// Scale up and back into frame_to_show.
assert(frame_to_show->y_crop_width != cm->width);
- assert(IMPLIES(!CONFIG_HORZONLY_FRAME_SUPERRES,
- frame_to_show->y_crop_height != cm->height));
-#if CONFIG_HIGHBITDEPTH
- av1_upscale_normative_and_extend_frame(&copy_buffer, frame_to_show,
- (int)cm->bit_depth);
-#else
- av1_upscale_normative_and_extend_frame(&copy_buffer, frame_to_show);
-#endif // CONFIG_HIGHBITDEPTH
+ av1_upscale_normative_and_extend_frame(cm, &copy_buffer, frame_to_show);
// Free the copy buffer
aom_free_frame_buffer(&copy_buffer);
}
-#endif // CONFIG_FRAME_SUPERRES