[Ffmpeg-devel] seek with duration for cutting: broken or changed?

Michael Niedermayer michaelni
Mon Oct 30 20:13:10 CET 2006


On Mon, Oct 30, 2006 at 12:55:16PM -0500, Cyrus A wrote:
> The following command used to work to cut a specific segment out of a 
> video file on some FC3 machines I'm using with an old version of ffmpeg 
> (still does work):
> ffmpeg -acodec copy -vcodec copy -i fullvideo.avi -ss 60 -t 120 
> choppedvideo.avi
> But it doesn't work anymore with Fedora Core 5 on a 64-bit machine 
> running today's SVN copy of ffmpeg. (Also doesn't work with freshrpms 
> latest ffmpeg rpm, either.) I believe what it's doing is seeking, but 
> the duration is completely ignored. It just returns the rest of the file 
> from where the seek took it. The resulting file is also a little 
> "chirpy"  -- the audio video sync is messed up somehow.

could you find out when this problem was introduced into svn (see 
binary search and svn up -r)


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is

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