[MPlayer-DOCS] Re: [MPlayer-advusers] -ffourcc and -of lavf

[Guillaume POIRIER]

Hi,

On 8/12/05, Rich Felker <dalias at aerifal.cx> wrote:
> On Fri, Aug 12, 2005 at 02:58:51AM -0400, compn wrote:
> > On Thu, 11 Aug 2005 22:54:51 +0200
> > Michael Niedermayer <michaelni at gmx.at> wrote:
> >
> > > Hi
> > >
> > > On Thu, Aug 11, 2005 at 11:06:26AM -0400, compn wrote:
> > > > a user came to #mplayer wanting to combine some wmvs, so i tested it...
> > > >
> > > > mencoder 1.wmv 2.wmv -oac copy -ovc copy -of lavf -o done.wmv
> > > >
> > > > which worked, but changed the fourcc from MP43 to DIV3
> > >
> > > fixed
> > >
> > > [...]
> > > --
> > > Michael
> >
> > hot dang, verified it works, thanks. you work so fast!
> >
> > is lavcopts vcodec=svq1 working? or still beta codec?
> > all i get is [svq1 @ 00A268B8]unsupported pixel format
> 
> svq1 uses some crappy format, 4:1:0 maybe..? check which one it needs
> and insert scale,format filters to convert.

Is there any way to tell the filter chain what format it should output
given a certain codec? Or rather: can's the encoder tell what
colorspace it needs so the filter chain is build accordingly? That
would be splendid as it'll avoid to use workaround such as the one you
suggest.

Guillaume
-- 
A legend is an old man with a cane known for
what he used to do. I'm still doing it.
  -- Miles Davis