On Thu, Aug 4, 2011 at 11:50 AM, disha mishra <[email protected]> wrote: > Hi Matt, > > Actually I tried to do the same thing with H264 files. I took an H264 file > as input file and specifed -b with some bit rate and tried to save it in > same container as input file but the output file that I get is an MPEG4-2 > file. > > Thanks, > Disha Can you post the exact command? And possibly the sample video file?
Matt > > On Thu, Aug 4, 2011 at 1:35 AM, Matthew Einhorn <[email protected]> > wrote: >> >> 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 > > > _______________________________________________ > 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
