Running "ffmpeg -formats" list all the codecs that ffmpeg can decode/encode. If you look at vc1 you'll see that ffmpeg can only decode it not encode it. So you cannot save a file in vc1 format (I think). You'll have to select a different output format.
Matt On Wed, Aug 3, 2011 at 2:33 PM, disha mishra <[email protected]> wrote: > Yes I tried -vcodec copy but that doesn't work. > > Thanks, > > On Wed, Aug 3, 2011 at 10:49 AM, Matthew Einhorn <[email protected]> > wrote: >> >> On Wed, Aug 3, 2011 at 1:35 PM, disha mishra <[email protected]> >> wrote: >> > Hi >> > I have a VC-1 file at Simple profile, medium level, bit rate = 236 kbps. >> > I >> > use the following command to change bit rate and frame rate of file >> > >> > ffmpeg -i input.wmv -b 128k -r 15 output.wmv >> > >> > When I check the information of output file, it shows a file with MPEG-4 >> > Visual format and codec MP43. Is there any way to produce an output file >> > with the same VC1 Simple profile, medium level information as input >> > file >> > using ffmpeg? >> > >> > I tried using -f vc1 switch in the command but thats only for having raw >> > vc1 >> > video output. >> > >> > Thanks, >> > >> >> Have you tried -vcodec copy? It's in the ffmpeg documentation. >> >> Matt >> > >> > _______________________________________________ >> > Libav-user mailing list >> > [email protected] >> > http://ffmpeg.org/mailman/listinfo/libav-user >> > >> > >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/libav-user > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > > _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
