[FFmpeg-trac] #2074(avcodec:new): decoded frame picture type does not match packet flags

[FFmpeg]

#2074: decoded frame picture type does not match packet flags
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             Reporter:  mrhines      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  key frame,   |               Blocked By:
  decode, mpeg2                      |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by reimar):

 You do not explain sufficiently what "upon encountering a key frame"
 means, but I suspect your are missing the codec delay.
 The video frame you get out usually isn't based on the packet you just
 sent in at all. This is especially true with multithreaded decoding, but
 even without it's not generally possible due to how B-frames work.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2074#comment:3>
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