[Libav-user] Q regarding ffmpeg command to change bit rate of wmv file

[Matthew Einhorn]

On Wed, Aug 3, 2011 at 1:35 PM, disha mishra <disha.mishra at gmail.com> 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
>
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