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fast approximate model_rd_from_var_lapndz

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Change-Id: Ieceaa16312941992d4a57455e336d625dfe4e094
This commit is contained in:
Jim Bankoski 2014-02-12 14:16:55 -08:00
parent fffb3be765
commit 9e190dfbfe
1 changed files with 15 additions and 2 deletions
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17
vp9/encoder/vp9_rdopt.c
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@ -444,8 +444,21 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
if (i == 0)
x->pred_sse[ref] = sse;
if (cpi->sf.use_pick_mode) {
dist_sum += (int)sse;
// Fast approximate the modelling function.
if (cpi->oxcf.cpu_used < -4) {
int rate;
int64_t dist;
int64_t square_error = sse;
int quantizer = (pd->dequant[1] >> 3);
if ( quantizer < 120)
rate = (square_error * (280-quantizer) )>> 8;
else
rate = 0;
dist = (square_error * quantizer) >> 8;
rate_sum += rate;
dist_sum += dist;
} else {
int rate;
int64_t dist;