[FFmpeg-trac] #5999(undetermined:new): Ffmpeg H264 decoder delays I-frames for some streams

FFmpeg trac at avcodec.org
Tue Dec 6 21:12:07 EET 2016


#5999: Ffmpeg H264 decoder delays I-frames for some streams
-------------------------------------+-------------------------------------
             Reporter:  mont3z       |                     Type:
               Status:  new          |  enhancement
            Component:               |                 Priority:  normal
  undetermined                       |                  Version:
             Keywords:  h264         |  unspecified
  decoder                            |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 Some third party streams don't set num_reorder_frames in SPS. This is
 causing ffmpeg H264 decoder to delay frames, even I-frames. Those streams
 don't have B-frames and there is no need for delaying. It would be nice if
 we could configure Ffmpeg H264 decoder context to signal the streams have
 no B frames (sps->num_reorder_frames = 0).

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Ticket URL: <https://trac.ffmpeg.org/ticket/5999>
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