[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
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             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            |
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Comment (by markfilipak):

 Replying to [comment:109 MasterQuestionable]:
 > ͏    "I made a 4 second clip having 99 actual frames."
 > ͏    ("Ticket_11055.m2ts")
 > ͏    .
 > ͏    How is it generated?

 I can give you all the Windows scripts. There are 4.
 I started with 00305.m2ts and 00306.m2ts.
 I cut off the front and back from each of them making sure all four cut
 ends are IDR.
 (I used '-bsf noise' to do the cutting and '-bsf setts' to make the IDR
 ends.)
 I concatenated the two episodes.
 (Spliced together, they had 2:47:53 running time.)
 I cut out the 4 second section at the join (i.e., the join time +/- 2
 seconds).
 (I wasn't meticulous cutting that 4 second section. I used '-ss' and
 '-to'. As a result, the ends are not IDR.)
 I renamed the 4 second section to "Ticket_11055.m2ts" and uploaded it to
 trac.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11055#comment:112>
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