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

Imported a change from stable branch

Browse Source 
https://gerrit.chromium.org/gerrit/#change,17319 fixes cost estimating
to take skip_eob into account. No quality difference seen on derf set
tests, but about .4% gain on STD_HD set.

Change-Id: Ic5fe6d35ee021e664a6fcd28037b8432a0e470ca
This commit is contained in:
Jim Bankoski 2012-03-06 09:31:51 -08:00 committed by Yaowu Xu
parent 98bf413b4b
commit 157f15e1d3
2 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
vp8/encoder/rdopt.c
View File

@ -214,7 +214,14 @@ static void fill_token_costs(
for (i = 0; i < BLOCK_TYPES; i++)
for (j = 0; j < COEF_BANDS; j++)
for (k = 0; k < PREV_COEF_CONTEXTS; k++)
vp8_cost_tokens((int *)(c [i][j][k]), p [i][j][k], vp8_coef_tree);
{
if(k == 0 && ((j > 0 && i > 0) || (j > 1 && i == 0)))
vp8_cost_tokens_skip((int *)(c [i][j][k]), p [i][j][k], vp8_coef_tree);
else
vp8_cost_tokens((int *)(c [i][j][k]), p [i][j][k], vp8_coef_tree);
}
}
@ -250,7 +257,7 @@ int compute_rd_mult( int qindex )
int q;
q = vp8_dc_quant(qindex,0);
return (3 * q * q) >> 4;
return (11 * q * q) >> 6;
}
void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex)

6
vp8/encoder/treewriter.c
View File

@ -37,3 +37,9 @@ void vp8_cost_tokens(int *c, const vp8_prob *p, vp8_tree t)
{
cost(c, t, p, 0, 0);
}
void vp8_cost_tokens_skip(int *c, const vp8_prob *p, vp8_tree t)
{
cost(c, t, p, 2, 0);
}