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

Rework motion vector precision limit

Browse Source 
This commit enables 1/8 luma component motion vector precision
for all motion vector cases. It improves the compression performance
of lowres by 0.13% and hdres by 0.49%.

Change-Id: Iccfc85e8ee1c0154dfbd18f060344f1e3db5dc18
This commit is contained in:
Jingning Han
2016-04-25 14:26:53 -07:00
parent b4cbe54ed6
commit 8678ab4c55
3 changed files with 12 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
vp10/encoder/mcomp.c
View File

@@ -98,22 +98,12 @@ static int mv_err_cost(const MV *mv, const MV *ref, const int *mvjcost,
static int mvsad_err_cost(const MACROBLOCK *x, const MV *mv, const MV *ref,
int sad_per_bit) {
#if CONFIG_REF_MV
const MV diff = { (mv->row - ref->row) * 8,
(mv->col - ref->col) * 8 };
return ROUND_POWER_OF_TWO(
(unsigned)mv_cost(&diff, x->nmvjointsadcost, x->mvsadcost) *
sad_per_bit,
VP9_PROB_COST_SHIFT);
#else
const MV diff = { mv->row - ref->row,
mv->col - ref->col };
return ROUND_POWER_OF_TWO(
(unsigned)mv_cost(&diff, x->nmvjointsadcost, x->nmvsadcost) *
sad_per_bit,
VP9_PROB_COST_SHIFT);
#endif
}
void vp10_init_dsmotion_compensation(search_site_config *cfg, int stride) {