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Disable some features for first pass.

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The following features don't make sense for the first
pass in its current form and have a significant impact on its
speed (up to 50%).

Slow quantizer, slow dct and trellis optimization.

Change-Id: Id9943f6765ffbd71fc0084ec7dfbc9d376fd6fcd
This commit is contained in:
Paul Wilkins 2011-01-06 17:10:07 +00:00
parent b095d9df3c
commit 431dac08d1
1 changed files with 10 additions and 1 deletions
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11
vp8/encoder/onyx_if.c
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@ -576,7 +576,7 @@ void vp8_set_speed_features(VP8_COMP *cpi)
cpi->mbs_tested_so_far = 0;
// best quality
// best quality defaults
sf->RD = 1;
sf->search_method = NSTEP;
sf->improved_quant = 1;
@ -1268,6 +1268,15 @@ void vp8_set_speed_features(VP8_COMP *cpi)
};
// Slow quant, dct and trellis not worthwhile for first pass
// so make sure they are always turned off.
if ( cpi->pass == 1 )
{
sf->improved_quant = 0;
sf->optimize_coefficients = 0;
sf->improved_dct = 0;
}
if (cpi->sf.search_method == NSTEP)
{
vp8_init3smotion_compensation(&cpi->mb, cm->yv12_fb[cm->lst_fb_idx].y_stride);