[FFmpeg-trac] #5093(undetermined:closed): Accurate seek not possible with MPEG program stream and transport sream

FFmpeg trac at avcodec.org
Fri Dec 18 10:27:03 CET 2015


#5093: Accurate seek not possible with MPEG program stream and transport sream
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             Reporter:  pkerling     |                    Owner:
                 Type:  enhancement  |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:  invalid
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by pkerling):

 Hey, thanks for your reply. Sorry that I did not write it, but I have
 tested the git head version and it shows the same behaviour.
 If -ss is not supposed to be accurate on input, the documentation should
 be changed. It currently reads:
 "When used as an input option (before -i), seeks in this input file to
 position. Note that in most formats it is not possible to seek exactly, so
 ffmpeg will seek to the closest seek point before position. When
 transcoding and -accurate_seek is enabled (the default), this extra
 segment between the seek point and position will be decoded and
 discarded."
 This clearly sounds like it should be accurate as the option is even
 called "-accurate_seek".

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Ticket URL: <https://trac.ffmpeg.org/ticket/5093#comment:2>
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