[FFmpeg-trac] #11190(avcodec:new): H.264 video stops playing without errors

FFmpeg trac at avcodec.org
Fri Sep 13 01:12:55 EEST 2024


#11190: H.264 video stops playing without errors
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             Reporter:  kevmo314     |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by kevmo314):

 Digging into this, it looks like the POC is out of sequence. Specifically,
 ffmpeg receives a picture with order 65658 and the next picture has order
 65538 which triggers ffmpeg to believe the frame is out of sequence. There
 is a frame number gap going from 13 -> 1 (instead of 13, 14, 15, 0, 1)
 however the h264 decoder doesn't seem to correctly detect this and instead
 ends up in a stuck state.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11190#comment:1>
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