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avcodec/vc1: re-implement and expand VC-1 loop filtering

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The existing implementation did loop filtering for progressive
frames only. This rewritten version implements loop filtering for
all applicable frame types for both progessive and
frame/field-interlace.

Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
This commit is contained in:
Jerome Borsboom
2018-04-23 20:58:52 +02:00
committed by Paul B Mahol
parent 20de893b3b
commit ded52f6e36
2 changed files with 1046 additions and 0 deletions
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4
libavcodec/vc1.h
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@@ -428,6 +428,10 @@ void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v);
void ff_vc1_i_overlap_filter(VC1Context *v); void ff_vc1_i_overlap_filter(VC1Context *v);
void ff_vc1_p_overlap_filter(VC1Context *v); void ff_vc1_p_overlap_filter(VC1Context *v);
void ff_vc1_apply_p_loop_filter(VC1Context *v); void ff_vc1_apply_p_loop_filter(VC1Context *v);
void ff_vc1_i_loop_filter(VC1Context *v);
void ff_vc1_p_loop_filter(VC1Context *v);
void ff_vc1_p_intfr_loop_filter(VC1Context *v);
void ff_vc1_b_intfi_loop_filter(VC1Context *v);
void ff_vc1_mc_1mv(VC1Context *v, int dir); void ff_vc1_mc_1mv(VC1Context *v, int dir);
void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg); void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg);

1042
libavcodec/vc1_loopfilter.c
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