[FFmpeg-user] Image extraction broken with ffmpeg, but not with mencoder. How can I fix this?

[Gerardo Juárez]

On 09/04/2013 08:45 AM, James Board wrote:
>> Did you tried -vsync 0 with above command?
> I tried -vsync 0 and it worked.  ffmpeg doesn't generate additional
> image files.  That's good.  I still have to redo my edits, but I guess that'okay.
>   
> My question is: what does -vsync do?  And, why does it work (so
> I can avoid this problem in the future)?
>   
> Thank you for your help and I'm sorry if I was rude.
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See http://ffmpeg.org/ffmpeg.html and search for vsync. All the answers 
to your present and past problems are there.

Gerardo