[FFmpeg-trac] #6335(undetermined:new): ffmpeg silently ignores first 50 frames when decoding h264

[FFmpeg]

#6335: ffmpeg silently ignores first 50 frames when decoding h264
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             Reporter:  zhukov       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by zhukov):

 Replying to [comment:5 cehoyos]:
 > Am I correct that for the Telestream file, no frames are missing?
 >
 > I don't know what you are trying to do but you cannot generally cut
 files with {{{-vcodec copy}}} and for the first file you uploaded, the
 reference decoder produces the same output as FFmpeg (meaning any software
 that outputs different frames has a bug).
 > Work-around is to use {{{-flags2 +showall}}} which makes decoding
 (possibly) non-compliant.

 So you are saying the fact that safari, firefox, vlc and quicktime play
 all frames of this file is a bug in all of them?

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Ticket URL: <https://trac.ffmpeg.org/ticket/6335#comment:6>
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