[MPlayer-DOCS] CVS: main/DOCS/man/en mplayer.1,1.851,1.852

Diego Biurrun diego at biurrun.de
Fri Jan 14 01:33:08 CET 2005


D Richard Felker III writes:
> On Wed, Jan 12, 2005 at 02:54:02PM +0100, Sebastian Krämer wrote:
> > On Wednesday 12 January 2005 13:17, Diego Biurrun wrote:
> > >
> > >   Aspect ratio is autodetected for MPEG files, but it cannot be
> > >   autodetected for most AVI files.
> > 
> > I want to confirm. An aspect can be set for avi files on the command line (I 
> > just displayed one with aspect 1:1 which - of course - isn't the original 
> > aspect).
> > AFAIK the aspect for avi files is computed by width/height of the file and 
> > then "rescaled", quite a kind of "dummy autodetection".
> 
> no, mplayer uses frame aspect ratios (stupid) rather than pixel aspect
> ratios. so there's no "dummy autodetection" going on here, just using
> width/height as aspect. of course, if it were using pixel aspect, it
> would just use 1:1 as the aspect and that'd be even easier.

I've just committed

  Aspect ratio is autodetected for MPEG files, but cannot be
  autodetected for most AVI files.

If you feel that line should better be dropped completely, say so.

Diego




More information about the MPlayer-DOCS mailing list