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Merge "vp9: Reduce frame loopfilter-level for 1 pass cbr."

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Marco Paniconi 2016-09-26 22:05:43 +00:00 committed by Gerrit Code Review
commit 70240a77b8
1 changed files with 4 additions and 0 deletions
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4
vp9/encoder/vp9_picklpf.c
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@ -180,6 +180,10 @@ void vp9_pick_filter_level(const YV12_BUFFER_CONFIG *sd, VP9_COMP *cpi,
}
#else
int filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 1015158, 18);
if (cpi->oxcf.pass == 0 && cpi->oxcf.rc_mode == VPX_CBR &&
cpi->oxcf.content != VP9E_CONTENT_SCREEN && cm->frame_type != KEY_FRAME)
filt_guess = 5 * filt_guess >> 3;
#endif // CONFIG_VP9_HIGHBITDEPTH
if (cm->frame_type == KEY_FRAME) filt_guess -= 4;
lf->filter_level = clamp(filt_guess, min_filter_level, max_filter_level);