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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-08-19 15:07:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-08-19 15:07:12 +0200 |
| commit | ada49f936eaafe12365c7b962355d6dcfbfc4029 (patch) | |
| tree | 156ef379f06014ba97a73c7002b61b76c0a073a1 /libavcodec | |
| parent | ba57ef29723e11e94f2d5a07d4f384e636316c16 (diff) | |
| parent | 87cf70eb237e7586cc7399627dafa1b980ec0b7d (diff) | |
| download | ffmpeg-ada49f936eaafe12365c7b962355d6dcfbfc4029.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
h264: correct implicit weight table computation for long ref pics
h264: correct the check for invalid long term frame index in MMCO decode
Conflicts:
libavcodec/h264.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h264.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 29426f74b6..d644730784 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2204,17 +2204,17 @@ static void implicit_weight_table(H264Context *h, int field){ for(ref0=ref_start; ref0 < ref_count0; ref0++){ int poc0 = h->ref_list[0][ref0].poc; for(ref1=ref_start; ref1 < ref_count1; ref1++){ - int w= 32; - if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref){ - int poc1 = h->ref_list[1][ref1].poc; - int td = av_clip(poc1 - poc0, -128, 127); - if(td){ - int tb = av_clip(cur_poc - poc0, -128, 127); - int tx = (16384 + (FFABS(td) >> 1)) / td; - int dist_scale_factor = (tb*tx + 32) >> 8; - if(dist_scale_factor >= -64 && dist_scale_factor <= 128) - w = 64 - dist_scale_factor; - } + int w = 32; + if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) { + int poc1 = h->ref_list[1][ref1].poc; + int td = av_clip(poc1 - poc0, -128, 127); + if(td){ + int tb = av_clip(cur_poc - poc0, -128, 127); + int tx = (16384 + (FFABS(td) >> 1)) / td; + int dist_scale_factor = (tb*tx + 32) >> 8; + if(dist_scale_factor >= -64 && dist_scale_factor <= 128) + w = 64 - dist_scale_factor; + } } if(field<0){ h->implicit_weight[ref0][ref1][0]= |