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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-12-02 02:36:58 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2013-12-02 03:04:04 +0100 |
| commit | c765b6464139b0178dea56f86dca48f94f1dc56c (patch) | |
| tree | 8f2b5904d9a12a78ebe798b83113acd89d2d7f3a /libavcodec | |
| parent | 1141a18e89d2e6ed4b0a9631ba9ffd57214071e1 (diff) | |
| download | ffmpeg-c765b6464139b0178dea56f86dca48f94f1dc56c.tar.gz | |
avcodec/h264_refs: improve key frame detection heuristic
Fixes Ticket3186
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e3d7a3978b857e32b32575ff78ecc7d67a18687e)
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h264_refs.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c index f6b0c93613..3f29dafad9 100644 --- a/libavcodec/h264_refs.c +++ b/libavcodec/h264_refs.c @@ -562,6 +562,7 @@ int ff_generate_sliding_window_mmcos(H264Context *h, int first_slice) int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count) { int i, av_uninit(j); + int pps_count; int current_ref_assigned = 0, err = 0; Picture *av_uninit(pic); @@ -732,9 +733,13 @@ int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count) print_short_term(h); print_long_term(h); + pps_count = 0; + for (i = 0; i < FF_ARRAY_ELEMS(h->pps_buffers); i++) + pps_count += !!h->pps_buffers[i]; + if ( err >= 0 && h->long_ref_count==0 - && h->short_ref_count<=2 + && (h->short_ref_count<=2 || h->pps.ref_count[0] <= 1 && h->pps.ref_count[1] <= 1 && pps_count == 1) && h->pps.ref_count[0]<=2 + (h->picture_structure != PICT_FRAME) && h->cur_pic_ptr->f.pict_type == AV_PICTURE_TYPE_I){ h->cur_pic_ptr->sync |= 1; |