[FFmpeg-trac] #977(undetermined:new): F4v Cutted output video duration incaccurate, Why?

FFmpeg trac at avcodec.org
Sun Feb 12 10:29:33 CET 2012

#977: F4v Cutted output video duration incaccurate,Why?
             Reporter:               |                    Owner:
  overclokkato                       |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by overclokkato):

 Yes,i tried but Result don't change,in fact I see that if i use -f flv,
 the duration is inaccurate so
 i searched another solution and i found ffmbc command line that use the
 same ffmpg syntax.
 In the codecs archive i found f4v (ffmbc -codecs |grep f4v , while in
 ffmpeg this format doesn't exist) and cropped f4v works perfectly with
 correct duration.
 the question is :'why ffmpeg doesn't work?'i think that perheaps depend by
 libav library.
 If you find a solution please tell me.
 Thanks a lot for your support.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/977#comment:5>
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