[FFmpeg-trac] #5456(undetermined:new): Videos produced with -shortest are longer than the audio

FFmpeg trac at avcodec.org
Sun Jun 25 15:47:20 EEST 2017

#5456: Videos produced with -shortest are longer than the audio
             Reporter:  hmemcpy      |                    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 AyrA):

 I am affected by the same issue. It looks like somewhere the calculation
 is off. If you don't use the input argument `-framerate` you get
 approximately the same video and audio stream length (2 seconds off for a
 3m50s audio track). It looks like ffmpeg defaults to 25 FPS in that case.
 If you manually specify higher framerates (for example 60) you get closer
 to the audio duration.

Ticket URL: <https://trac.ffmpeg.org/ticket/5456#comment:2>
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