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vp9: Adjust the threshold to set avg_source_sad_sb flag.

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Affect only speed 8. Small/Negligible regression on rtc set.

Change-Id: I67a6b6b4008a22ed798bd980336d95bb799f64b4
This commit is contained in:
Jerome Jiang 2017-01-23 15:58:15 -08:00
parent b71ff28a1a
commit 40ffa2839f
1 changed files with 4 additions and 1 deletions
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5
vp9/encoder/vp9_ratectrl.c
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@ -2246,6 +2246,8 @@ void vp9_avg_source_sad(VP9_COMP *cpi) {
int num_samples = 0;
int sb_cols = (cm->mi_cols + MI_BLOCK_SIZE - 1) / MI_BLOCK_SIZE;
int sb_rows = (cm->mi_rows + MI_BLOCK_SIZE - 1) / MI_BLOCK_SIZE;
uint64_t avg_source_sad_threshold = 5000;
if (cpi->oxcf.speed >= 8) avg_source_sad_threshold = 10000;
if (cpi->oxcf.lag_in_frames > 0) {
src_y = frames[frame]->y_buffer;
src_ystride = frames[frame]->y_stride;
@ -2264,7 +2266,8 @@ void vp9_avg_source_sad(VP9_COMP *cpi) {
tmp_sad = cpi->fn_ptr[bsize].sdf(src_y, src_ystride, last_src_y,
last_src_ystride);
if (cpi->sf.use_source_sad)
cpi->avg_source_sad_sb[num_samples] = tmp_sad < 5000 ? 1 : 0;
cpi->avg_source_sad_sb[num_samples] =
tmp_sad < avg_source_sad_threshold ? 1 : 0;
avg_sad += tmp_sad;
num_samples++;
}