[FFmpeg-trac] #1180(undetermined:new): video cutting/extraction leads to various a/v sync (when possible)

FFmpeg trac at avcodec.org
Mon Apr 9 19:18:52 CEST 2012


#1180: video cutting/extraction leads to various a/v sync (when possible)
-------------------------------------+-------------------------------------
             Reporter:  ubitux       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by ubitux):

 [...]
 > Playback results with different players:
 >
 > - ffplay: invalid frame rate, playback mostly broken
 > - MPlayer: no video is displayed for a few seconds, and then video
 starts (with -correct-pts the video is freezed for a while)
 > - VLC: samples rate seems insanely high, no video at first, then the
 video starts, and sounds is still way too fast
 > - mplayer2: seems to actually deal with it pretty well
 >
 > Even though mplayer2 seems to handle it, I believe the file is broken
 and something should be fixed.
 >

 Actually I was wrong about mplayer2; the sound is shifted. So no player
 seems to deal well with the output file.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1180#comment:1>
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