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

FFmpeg trac at avcodec.org
Mon Jun 24 02:27:49 EEST 2024


#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            |
-------------------------------------+-------------------------------------
Comment (by markfilipak):

 Comment: I don't understand why MasterQuestionable is trying to debug
 Ticket_11055.m2ts. That is not the issue.

 The issue is that timestamps reported by 'showinfo' and 'show_frames'
 disagree with reality and with each other. The issue is that I suspect
 that whatever code is supplying bogus timestamps to them is also supplying
 bogus timestamps to '-to' and is also responsible for many of the 'non-
 monotonic DTS' notices that appear sometimes (but not this time).
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11055#comment:155>
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