[FFmpeg-trac] #2185(avfilter:closed): Select filter cannot seek to a point in the video

FFmpeg trac at avcodec.org
Sat Jan 26 16:05:30 CET 2013


#2185: Select filter cannot seek to a point in the video
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             Reporter:  evilsoup    |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:  wontfix
             Keywords:  select      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by Cigaes):

 What you are missing is that frames are not just images, they have
 additional information, and in particular a timestamp. The {{{select}}}
 filter selects frames, but it does not change them. If you use it to
 remove five minutes of video, the timestamps will still show the five
 minutes gap, and the muxer will take it into consideration while
 maintaining A-V sync, and a player should take it into account too. This
 is the expected behaviour.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2185#comment:7>
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