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Merge "Use precise rate cost estimate for skip block mode"

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Jingning Han 2016-02-03 20:40:10 +00:00 committed by Gerrit Code Review
commit 6f49e8a186
1 changed files with 7 additions and 3 deletions
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10
vp9/encoder/vp9_rdopt.c
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@ -3355,15 +3355,19 @@ void vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi,
}
if (!disable_skip) {
vpx_prob skip_prob = vp9_get_skip_prob(cm, xd);
if (skippable) {
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// Cost the skip mb case
rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
rate2 += vp9_cost_bit(skip_prob, 1);
} else if (ref_frame != INTRA_FRAME && !xd->lossless) {
if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv, distortion2) <
RDCOST(x->rdmult, x->rddiv, 0, total_sse)) {
if (RDCOST(x->rdmult, x->rddiv,
rate_y + rate_uv + vp9_cost_bit(skip_prob, 0),
distortion2) <
RDCOST(x->rdmult, x->rddiv,
vp9_cost_bit(skip_prob, 1), total_sse)) {
// Add in the cost of the no skip flag.
rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
} else {