[FFmpeg-trac] #9523(avcodec:open): segment_times splits at I-frames that are not keyframes

FFmpeg trac at avcodec.org
Mon Feb 21 14:55:00 EET 2022


#9523: segment_times splits at I-frames that are not keyframes
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             Reporter:  TurboLed    |                    Owner:  (none)
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by Balling):

 >I believe

 Do you believe or is that really the case? Because that would be quite
 crazy design.

 >splitting occurs on the newly generated keyframes from the output

 Well, of course, no workaround is needed then.

 >But when splitting a video, you usually don't want to re-encode.

 Yeah, of course.
 >has been made for a specific stream coming from Panasonic Lumix cameras

 Well, obviously you still need to check that the samples in -f segment are
 valid bitstream.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9523#comment:15>
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