[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:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  everything   |               Blocked By:
  OGOP                               |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by markfilipak):

 Yes! '-ss' left a mess.
 {{{
      These two B-frames --------------------+
                                             ¦
 __packet analyzer__  _____framecrc______    ¦
  (physical order)        (DTS order)        ¦
 ___DTS___ ___PTS___  ___DTS___ ___PTS___    ¦
 504126135 504137396  504126135 504137396    ¦
           504129888  504129888 504129888 <--+
           504133642  504133642 504133642 <--+
 504137396 504148657  504137396 504148657
 }}}
 need to be removed and the I-frame at DTS 504126135 needs to be moved to
 504133642.


 That's easy. As soon as my current job is finished, I'll do that and
 examine the result and maybe exonerate showinfo and show_frames. Stay
 tuned to this channel.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11055#comment:124>
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