aom/aom_dsp/sad.c

513 строки
15 KiB
C

/*
* 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 <stdlib.h>
#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
/* Sum the difference between every corresponding element of the buffers. */
static INLINE unsigned int sad(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, int width, int height) {
int y, x;
unsigned int sad = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) sad += abs(a[x] - b[x]);
a += a_stride;
b += b_stride;
}
return sad;
}
#define sadMxN(m, n) \
unsigned int aom_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
const uint8_t *ref, int ref_stride) { \
return sad(src, src_stride, ref, ref_stride, m, n); \
} \
unsigned int aom_sad##m##x##n##_avg_c(const uint8_t *src, int src_stride, \
const uint8_t *ref, int ref_stride, \
const uint8_t *second_pred) { \
uint8_t comp_pred[m * n]; \
aom_comp_avg_pred_c(comp_pred, second_pred, m, n, ref, ref_stride); \
return sad(src, src_stride, comp_pred, m, m, n); \
}
// depending on call sites, pass **ref_array to avoid & in subsequent call and
// de-dup with 4D below.
#define sadMxNxK(m, n, k) \
void aom_sad##m##x##n##x##k##_c(const uint8_t *src, int src_stride, \
const uint8_t *ref_array, int ref_stride, \
uint32_t *sad_array) { \
int i; \
for (i = 0; i < k; ++i) \
sad_array[i] = \
aom_sad##m##x##n##_c(src, src_stride, &ref_array[i], ref_stride); \
}
// This appears to be equivalent to the above when k == 4 and refs is const
#define sadMxNx4D(m, n) \
void aom_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
const uint8_t *const ref_array[], \
int ref_stride, uint32_t *sad_array) { \
int i; \
for (i = 0; i < 4; ++i) \
sad_array[i] = \
aom_sad##m##x##n##_c(src, src_stride, ref_array[i], ref_stride); \
}
/* clang-format off */
#if CONFIG_AV1 && CONFIG_EXT_PARTITION
// 128x128
sadMxN(128, 128)
sadMxNxK(128, 128, 3)
sadMxNxK(128, 128, 8)
sadMxNx4D(128, 128)
// 128x64
sadMxN(128, 64)
sadMxNx4D(128, 64)
// 64x128
sadMxN(64, 128)
sadMxNx4D(64, 128)
#endif // CONFIG_AV1 && CONFIG_EXT_PARTITION
// 64x64
sadMxN(64, 64)
sadMxNxK(64, 64, 3)
sadMxNxK(64, 64, 8)
sadMxNx4D(64, 64)
// 64x32
sadMxN(64, 32)
sadMxNx4D(64, 32)
// 32x64
sadMxN(32, 64)
sadMxNx4D(32, 64)
// 32x32
sadMxN(32, 32)
sadMxNxK(32, 32, 3)
sadMxNxK(32, 32, 8)
sadMxNx4D(32, 32)
// 32x16
sadMxN(32, 16)
sadMxNx4D(32, 16)
// 16x32
sadMxN(16, 32)
sadMxNx4D(16, 32)
// 16x16
sadMxN(16, 16)
sadMxNxK(16, 16, 3)
sadMxNxK(16, 16, 8)
sadMxNx4D(16, 16)
// 16x8
sadMxN(16, 8)
sadMxNxK(16, 8, 3)
sadMxNxK(16, 8, 8)
sadMxNx4D(16, 8)
// 8x16
sadMxN(8, 16)
sadMxNxK(8, 16, 3)
sadMxNxK(8, 16, 8)
sadMxNx4D(8, 16)
// 8x8
sadMxN(8, 8)
sadMxNxK(8, 8, 3)
sadMxNxK(8, 8, 8)
sadMxNx4D(8, 8)
// 8x4
sadMxN(8, 4)
sadMxNxK(8, 4, 8)
sadMxNx4D(8, 4)
// 4x8
sadMxN(4, 8)
sadMxNxK(4, 8, 8)
sadMxNx4D(4, 8)
// 4x4
sadMxN(4, 4)
sadMxNxK(4, 4, 3)
sadMxNxK(4, 4, 8)
sadMxNx4D(4, 4)
/* clang-format on */
#if CONFIG_AOM_HIGHBITDEPTH
static INLINE
unsigned int highbd_sad(const uint8_t *a8, int a_stride, const uint8_t *b8,
int b_stride, int width, int height) {
int y, x;
unsigned int sad = 0;
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) sad += abs(a[x] - b[x]);
a += a_stride;
b += b_stride;
}
return sad;
}
static INLINE unsigned int highbd_sadb(const uint8_t *a8, int a_stride,
const uint16_t *b, int b_stride,
int width, int height) {
int y, x;
unsigned int sad = 0;
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) sad += abs(a[x] - b[x]);
a += a_stride;
b += b_stride;
}
return sad;
}
#define highbd_sadMxN(m, n) \
unsigned int aom_highbd_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
const uint8_t *ref, \
int ref_stride) { \
return highbd_sad(src, src_stride, ref, ref_stride, m, n); \
} \
unsigned int aom_highbd_sad##m##x##n##_avg_c( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *second_pred) { \
uint16_t comp_pred[m * n]; \
aom_highbd_comp_avg_pred_c(comp_pred, second_pred, m, n, ref, ref_stride); \
return highbd_sadb(src, src_stride, comp_pred, m, m, n); \
}
#define highbd_sadMxNxK(m, n, k) \
void aom_highbd_sad##m##x##n##x##k##_c( \
const uint8_t *src, int src_stride, const uint8_t *ref_array, \
int ref_stride, uint32_t *sad_array) { \
int i; \
for (i = 0; i < k; ++i) { \
sad_array[i] = aom_highbd_sad##m##x##n##_c(src, src_stride, \
&ref_array[i], ref_stride); \
} \
}
#define highbd_sadMxNx4D(m, n) \
void aom_highbd_sad##m##x##n##x4d_c(const uint8_t *src, int src_stride, \
const uint8_t *const ref_array[], \
int ref_stride, uint32_t *sad_array) { \
int i; \
for (i = 0; i < 4; ++i) { \
sad_array[i] = aom_highbd_sad##m##x##n##_c(src, src_stride, \
ref_array[i], ref_stride); \
} \
}
/* clang-format off */
#if CONFIG_AV1 && CONFIG_EXT_PARTITION
// 128x128
highbd_sadMxN(128, 128)
highbd_sadMxNxK(128, 128, 3)
highbd_sadMxNxK(128, 128, 8)
highbd_sadMxNx4D(128, 128)
// 128x64
highbd_sadMxN(128, 64)
highbd_sadMxNx4D(128, 64)
// 64x128
highbd_sadMxN(64, 128)
highbd_sadMxNx4D(64, 128)
#endif // CONFIG_AV1 && CONFIG_EXT_PARTITION
// 64x64
highbd_sadMxN(64, 64)
highbd_sadMxNxK(64, 64, 3)
highbd_sadMxNxK(64, 64, 8)
highbd_sadMxNx4D(64, 64)
// 64x32
highbd_sadMxN(64, 32)
highbd_sadMxNx4D(64, 32)
// 32x64
highbd_sadMxN(32, 64)
highbd_sadMxNx4D(32, 64)
// 32x32
highbd_sadMxN(32, 32)
highbd_sadMxNxK(32, 32, 3)
highbd_sadMxNxK(32, 32, 8)
highbd_sadMxNx4D(32, 32)
// 32x16
highbd_sadMxN(32, 16)
highbd_sadMxNx4D(32, 16)
// 16x32
highbd_sadMxN(16, 32)
highbd_sadMxNx4D(16, 32)
// 16x16
highbd_sadMxN(16, 16)
highbd_sadMxNxK(16, 16, 3)
highbd_sadMxNxK(16, 16, 8)
highbd_sadMxNx4D(16, 16)
// 16x8
highbd_sadMxN(16, 8)
highbd_sadMxNxK(16, 8, 3)
highbd_sadMxNxK(16, 8, 8)
highbd_sadMxNx4D(16, 8)
// 8x16
highbd_sadMxN(8, 16)
highbd_sadMxNxK(8, 16, 3)
highbd_sadMxNxK(8, 16, 8)
highbd_sadMxNx4D(8, 16)
// 8x8
highbd_sadMxN(8, 8)
highbd_sadMxNxK(8, 8, 3)
highbd_sadMxNxK(8, 8, 8)
highbd_sadMxNx4D(8, 8)
// 8x4
highbd_sadMxN(8, 4)
highbd_sadMxNxK(8, 4, 8)
highbd_sadMxNx4D(8, 4)
// 4x8
highbd_sadMxN(4, 8)
highbd_sadMxNxK(4, 8, 8)
highbd_sadMxNx4D(4, 8)
// 4x4
highbd_sadMxN(4, 4)
highbd_sadMxNxK(4, 4, 3)
highbd_sadMxNxK(4, 4, 8)
highbd_sadMxNx4D(4, 4)
/* clang-format on */
#endif // CONFIG_AOM_HIGHBITDEPTH
#if CONFIG_AV1 && CONFIG_EXT_INTER
static INLINE
unsigned int masked_sad(const uint8_t *a, int a_stride, const uint8_t *b,
int b_stride, const uint8_t *m, int m_stride,
int width, int height) {
int y, x;
unsigned int sad = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) sad += m[x] * abs(a[x] - b[x]);
a += a_stride;
b += b_stride;
m += m_stride;
}
sad = (sad + 31) >> 6;
return sad;
}
#define MASKSADMxN(m, n) \
unsigned int aom_masked_sad##m##x##n##_c( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return masked_sad(src, src_stride, ref, ref_stride, msk, msk_stride, m, \
n); \
}
/* clang-format off */
#if CONFIG_EXT_PARTITION
MASKSADMxN(128, 128)
MASKSADMxN(128, 64)
MASKSADMxN(64, 128)
#endif // CONFIG_EXT_PARTITION
MASKSADMxN(64, 64)
MASKSADMxN(64, 32)
MASKSADMxN(32, 64)
MASKSADMxN(32, 32)
MASKSADMxN(32, 16)
MASKSADMxN(16, 32)
MASKSADMxN(16, 16)
MASKSADMxN(16, 8)
MASKSADMxN(8, 16)
MASKSADMxN(8, 8)
MASKSADMxN(8, 4)
MASKSADMxN(4, 8)
MASKSADMxN(4, 4)
/* clang-format on */
#if CONFIG_AOM_HIGHBITDEPTH
static INLINE
unsigned int highbd_masked_sad(const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride,
const uint8_t *m, int m_stride, int width,
int height) {
int y, x;
unsigned int sad = 0;
const uint16_t *a = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b = CONVERT_TO_SHORTPTR(b8);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) sad += m[x] * abs(a[x] - b[x]);
a += a_stride;
b += b_stride;
m += m_stride;
}
sad = (sad + 31) >> 6;
return sad;
}
#define HIGHBD_MASKSADMXN(m, n) \
unsigned int aom_highbd_masked_sad##m##x##n##_c( \
const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
const uint8_t *msk, int msk_stride) { \
return highbd_masked_sad(src, src_stride, ref, ref_stride, msk, \
msk_stride, m, n); \
}
#if CONFIG_EXT_PARTITION
HIGHBD_MASKSADMXN(128, 128)
HIGHBD_MASKSADMXN(128, 64)
HIGHBD_MASKSADMXN(64, 128)
#endif // CONFIG_EXT_PARTITION
HIGHBD_MASKSADMXN(64, 64)
HIGHBD_MASKSADMXN(64, 32)
HIGHBD_MASKSADMXN(32, 64)
HIGHBD_MASKSADMXN(32, 32)
HIGHBD_MASKSADMXN(32, 16)
HIGHBD_MASKSADMXN(16, 32)
HIGHBD_MASKSADMXN(16, 16)
HIGHBD_MASKSADMXN(16, 8)
HIGHBD_MASKSADMXN(8, 16)
HIGHBD_MASKSADMXN(8, 8)
HIGHBD_MASKSADMXN(8, 4)
HIGHBD_MASKSADMXN(4, 8)
HIGHBD_MASKSADMXN(4, 4)
#endif // CONFIG_AOM_HIGHBITDEPTH
#endif // CONFIG_AV1 && CONFIG_EXT_INTER
#if CONFIG_AV1 && CONFIG_MOTION_VAR
// pre: predictor being evaluated
// wsrc: target weighted prediction (has been *4096 to keep precision)
// mask: 2d weights (scaled by 4096)
static INLINE unsigned int obmc_sad(const uint8_t *pre, int pre_stride,
const int32_t *wsrc, const int32_t *mask,
int width, int height) {
int y, x;
unsigned int sad = 0;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
sad += ROUND_POWER_OF_TWO(abs(wsrc[x] - pre[x] * mask[x]), 12);
pre += pre_stride;
wsrc += width;
mask += width;
}
return sad;
}
#define OBMCSADMxN(m, n) \
unsigned int aom_obmc_sad##m##x##n##_c(const uint8_t *ref, int ref_stride, \
const int32_t *wsrc, \
const int32_t *mask) { \
return obmc_sad(ref, ref_stride, wsrc, mask, m, n); \
}
/* clang-format off */
#if CONFIG_EXT_PARTITION
OBMCSADMxN(128, 128)
OBMCSADMxN(128, 64)
OBMCSADMxN(64, 128)
#endif // CONFIG_EXT_PARTITION
OBMCSADMxN(64, 64)
OBMCSADMxN(64, 32)
OBMCSADMxN(32, 64)
OBMCSADMxN(32, 32)
OBMCSADMxN(32, 16)
OBMCSADMxN(16, 32)
OBMCSADMxN(16, 16)
OBMCSADMxN(16, 8)
OBMCSADMxN(8, 16)
OBMCSADMxN(8, 8)
OBMCSADMxN(8, 4)
OBMCSADMxN(4, 8)
OBMCSADMxN(4, 4)
/* clang-format on */
#if CONFIG_AOM_HIGHBITDEPTH
static INLINE
unsigned int highbd_obmc_sad(const uint8_t *pre8, int pre_stride,
const int32_t *wsrc, const int32_t *mask,
int width, int height) {
int y, x;
unsigned int sad = 0;
const uint16_t *pre = CONVERT_TO_SHORTPTR(pre8);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
sad += ROUND_POWER_OF_TWO(abs(wsrc[x] - pre[x] * mask[x]), 12);
pre += pre_stride;
wsrc += width;
mask += width;
}
return sad;
}
#define HIGHBD_OBMCSADMXN(m, n) \
unsigned int aom_highbd_obmc_sad##m##x##n##_c( \
const uint8_t *ref, int ref_stride, const int32_t *wsrc, \
const int32_t *mask) { \
return highbd_obmc_sad(ref, ref_stride, wsrc, mask, m, n); \
}
/* clang-format off */
#if CONFIG_EXT_PARTITION
HIGHBD_OBMCSADMXN(128, 128)
HIGHBD_OBMCSADMXN(128, 64)
HIGHBD_OBMCSADMXN(64, 128)
#endif // CONFIG_EXT_PARTITION
HIGHBD_OBMCSADMXN(64, 64)
HIGHBD_OBMCSADMXN(64, 32)
HIGHBD_OBMCSADMXN(32, 64)
HIGHBD_OBMCSADMXN(32, 32)
HIGHBD_OBMCSADMXN(32, 16)
HIGHBD_OBMCSADMXN(16, 32)
HIGHBD_OBMCSADMXN(16, 16)
HIGHBD_OBMCSADMXN(16, 8)
HIGHBD_OBMCSADMXN(8, 16)
HIGHBD_OBMCSADMXN(8, 8)
HIGHBD_OBMCSADMXN(8, 4)
HIGHBD_OBMCSADMXN(4, 8)
HIGHBD_OBMCSADMXN(4, 4)
/* clang-format on */
#endif // CONFIG_AOM_HIGHBITDEPTH
#endif // CONFIG_AV1 && CONFIG_MOTION_VAR