[FFmpeg-trac] #1349(FFmpeg:new): itsoffset doesn't work for second input file (audio)

FFmpeg trac at avcodec.org
Fri May 25 18:34:17 CEST 2012


#1349: itsoffset doesn't work for second input file (audio)
-------------------------------------+-------------------------------------
             Reporter:  bombo        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  FFmpeg
              Version:  git-master   |               Resolution:
             Keywords:  itsoffset    |               Blocked By:
  audio mux                          |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by mjs973):

 The -itsoffset option does not work the way you think it does.

 Unless something has changed in the code, it's behavior is to add (or
 subtract) a constant value to each *video* timestamp. It never modifies
 audio timestamps.

 So your command could never work: You must shift the video stream, not try
 to shift the audio stream.

 I think this ticket should be closed with resolution of "invalid".

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1349#comment:2>
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