[FFmpeg-trac] #11055(avcodec:reopened): OGOP (Open GOP) in certain conditions may cause missing frames of decoding

[FFmpeg]

#11055: OGOP (Open GOP) in certain conditions may cause missing frames of decoding
-------------------------------------+-------------------------------------
             Reporter:  markfilipak  |                    Owner:  (none)
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  everything   |               Blocked By:
  OGOP                               |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by markfilipak):

 Replying to [comment:141 MasterQuestionable]:
 > ͏    Not specifically on your file: on OGOP (Open GOP) in general.
 > ͏    (rationale explained well before; comment:17 notably)
 >
 > ͏    "non-monotonous DTS" messages are warning, I believe: mere
 indicating the peculiarity of the input timestamps.
 >
 > ͏    comment:72 explained why and how. ("framecrc" "-vf" etc.)
 > \\
 > \\
 > ͏    Meanwhile, I wonder:
 > ͏    Could the origin inputs ("00305.m2ts", "00306.m2ts") be decoded
 without similar problem?
 > ͏    .
 > ͏    Verifiable with alike:
 > ͏    `ffmpeg -v debug -hide_banner -nostdin -nostats -i "00305.m2ts"
 -map v:0 -c copy -f null -`
 > ͏    (shall report the packet count for comparison)

 Did you want me to run that command?
 I ran this:
   ffmpeg -v debug -hide_banner -nostdin -nostats -i c:\00305.m2ts -map v:0
 -c copy -f null - 2>"c:\00305.m2ts nostats.txt"
 '00305.m2ts nostats.zip' is attached.
 A debug log file was not created (?).
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11055#comment:149>
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