[FFmpeg-user] what are the ffmpeg default options for media conversion?

[Atish Kathpal]

Thanks for the reply.

Regards
Atish

On Sat, Feb 25, 2012 at 2:39 AM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Atish Kathpal <atish.kathpal <at> gmail.com> writes:
>
> > When I say "ffmpeg -r 25 -s 1920x1080 -i Source.yuv -sameq Dest.avi", I
> get
> > a bigger Dest.avi as compared to when I just say, ffmpeg -r 25 -s
> 1920x1080
> > -i Source.yuv Dest.avi". What was teh default quality taken as in the
> later
> > case?
>
> The -sameq has a meaning that you may find counter-intuitive, it does not
> mean
> "same quality" (but same quantizer) and probably does not make sense for
> rawvideo input.
>
> > I know that there is an option "-q" ranging from 1 to 31 (with 1 being
> best
> > quality). So what is the default quality taken as for the destination
> file,
> > when -q or -sameq not specified explicitly?
>
> The default is not to use constant quality (as implied by -q) but CBR
> (which btw
> does not mean fixed frame size) at 200kb/s iirc.
>
> Carl Eugen
>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>