generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Adjust the vbp early termination threshold slightly

Browse Source 
Calculated cpi->vbp_threshold_sad from this frame's dequant value.
The encoding quality and speed didn't change much. Borg test
result: PSNR: -0.002%, SSIM: -0.003%.

Change-Id: I97c9826986f39582f29910d637d08a69c90afdee
This commit is contained in:
Yunqing Wang 2015-04-27 12:40:00 -07:00
parent 3a7bc16156
commit a257e469e1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
vp9/encoder/vp9_encodeframe.c
View File

@ -499,7 +499,8 @@ void vp9_set_vbp_thresholds(VP9_COMP *cpi, int q) {
cpi->vbp_thresholds[0] = threshold_base;
cpi->vbp_thresholds[1] = (5 * threshold_base) >> 2;
cpi->vbp_thresholds[2] = threshold_base << cpi->oxcf.speed;
cpi->vbp_threshold_sad = 1000;
cpi->vbp_threshold_sad = (cpi->y_dequant[q][1] << 1) > 1000 ?
(cpi->y_dequant[q][1] << 1) : 1000;
}
cpi->vbp_bsize_min = BLOCK_16X16;
}