[FFmpeg-user] Video seems to play back faster than the recorded sound

Roger Pack rogerdpack2 at gmail.com
Fri Dec 21 16:41:43 CET 2012

On 11/27/12, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Roger Pack <rogerdpack2 <at> gmail.com> writes:
>> also maybe another container type might help...for
>> instance if it's a "fixed constant frame rate" container
>> [is mov this way?] then it won't work and plays back in
>> fast forward, I've found...
> mov also supports vfr, but it is deactivated for FFmpeg's
> mov muxer.

As a note, when recording something "vfr" (for instance, dshow
capturing the desktop) to mov, if the frame rate varies at the source,
it causes ffmpeg to create "sped up" movies, which I assume is
unexpected? ...

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