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Commit 0f430084 authored by Yaowu Xu's avatar Yaowu Xu Committed by On2 (Google) Code Review
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Merge "Reduced bias in picking loop filter level" into experimental

parents 76709333 737179f2
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vp8/encoder/picklpf.c
View file @ 0f430084
...@@ -354,6 +354,12 @@ void vp8cx_pick_filter_level_sg(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi, int segme ...@@ -354,6 +354,12 @@ void vp8cx_pick_filter_level_sg(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi, int segme
if (cpi->twopass.section_intra_rating < 20) if (cpi->twopass.section_intra_rating < 20)
Bias = Bias * cpi->twopass.section_intra_rating / 20; Bias = Bias * cpi->twopass.section_intra_rating / 20;
#if CONFIG_T8X8
// yx, bias less for large block size
if(cpi->common.txfm_mode == ALLOW_8X8)
Bias >>= 1;
#endif
filt_high = ((filt_mid + filter_step) > max_filter_level) ? max_filter_level : (filt_mid + filter_step); filt_high = ((filt_mid + filter_step) > max_filter_level) ? max_filter_level : (filt_mid + filter_step);
filt_low = ((filt_mid - filter_step) < min_filter_level) ? min_filter_level : (filt_mid - filter_step); filt_low = ((filt_mid - filter_step) < min_filter_level) ? min_filter_level : (filt_mid - filter_step);
...@@ -572,6 +578,12 @@ void vp8cx_pick_filter_level(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi) ...@@ -572,6 +578,12 @@ void vp8cx_pick_filter_level(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi)
if (cpi->twopass.section_intra_rating < 20) if (cpi->twopass.section_intra_rating < 20)
Bias = Bias * cpi->twopass.section_intra_rating / 20; Bias = Bias * cpi->twopass.section_intra_rating / 20;
#if CONFIG_T8X8
// yx, bias less for large block size
if(cpi->common.txfm_mode == ALLOW_8X8)
Bias >>= 1;
#endif
filt_high = ((filt_mid + filter_step) > max_filter_level) ? max_filter_level : (filt_mid + filter_step); filt_high = ((filt_mid + filter_step) > max_filter_level) ? max_filter_level : (filt_mid + filter_step);
filt_low = ((filt_mid - filter_step) < min_filter_level) ? min_filter_level : (filt_mid - filter_step); filt_low = ((filt_mid - filter_step) < min_filter_level) ? min_filter_level : (filt_mid - filter_step);
......
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