[FFmpeg-user] -t option is ignored

Clément Bœsch ubitux at gmail.com
Wed Mar 28 15:07:29 CEST 2012

On Wed, Mar 28, 2012 at 09:50:17PM +0900, Martin G wrote:
> > You may check https://launchpad.net/~jon-severinsson/+archive/ffmpeg for
> > FFmpeg
> Okay, I installed that repository, and it worked much better.
> Not perfectly, though. The subclip being created is about 6 minutes
> long, but after two minutes it freezes, and the remaining 4 minutes
> there is no motion or sound.
> Is there a way I can make two minutes be actually two minutes without
> this extraneous time tacked onto the end?
> This is the output:
> $ ffmpeg -ss 01:05:16 -t 120 -i input.avi -vcodec copy -acodec copy output.avi

Could you try moving the -ss and -t after the -i now? :)

before -i: input option, faster, less accurate
after  -i: output option, slower, more accurate

Note: you can now use "-c copy" (or "-c:v copy -c:a copy") instead of the
long -Xcodec version.


Clément B.
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