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Merge "Use canonical avg_pred functions"

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Johann Koenig 2016-05-09 18:38:12 +00:00 committed by Gerrit Code Review
commit 66a3438602
1 changed files with 2 additions and 43 deletions
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45
vpx_dsp/sad.c
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@ -33,47 +33,6 @@ static INLINE unsigned int sad(const uint8_t *a, int a_stride,
return sad;
}
// TODO(johannkoenig): this moved to vpx_dsp, should be able to clean this up.
/* Remove dependency on vp9 variance function by duplicating vp9_comp_avg_pred.
* The function averages every corresponding element of the buffers and stores
* the value in a third buffer, comp_pred.
* pred and comp_pred are assumed to have stride = width
* In the usage below comp_pred is a local array.
*/
static INLINE void avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
int height, const uint8_t *ref, int ref_stride) {
int i, j;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
const int tmp = pred[j] + ref[j];
comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
}
comp_pred += width;
pred += width;
ref += ref_stride;
}
}
#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void highbd_avg_pred(uint16_t *comp_pred, const uint8_t *pred8,
int width, int height, const uint8_t *ref8,
int ref_stride) {
int i, j;
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
const int tmp = pred[j] + ref[j];
comp_pred[j] = ROUND_POWER_OF_TWO(tmp, 1);
}
comp_pred += width;
pred += width;
ref += ref_stride;
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
#define sadMxN(m, n) \
unsigned int vpx_sad##m##x##n##_c(const uint8_t *src, int src_stride, \
const uint8_t *ref, int ref_stride) { \
@ -83,7 +42,7 @@ unsigned int vpx_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]; \
avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
vpx_comp_avg_pred_c(comp_pred, second_pred, m, n, ref, ref_stride); \
return sad(src, src_stride, comp_pred, m, m, n); \
}
@ -221,7 +180,7 @@ unsigned int vpx_highbd_sad##m##x##n##_avg_c(const uint8_t *src, \
int ref_stride, \
const uint8_t *second_pred) { \
uint16_t comp_pred[m * n]; \
highbd_avg_pred(comp_pred, second_pred, m, n, ref, ref_stride); \
vpx_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); \
}