[MPlayer-users] Re: Changing aspect ratio while playing a file

[Rich Felker]

On Thu, Nov 17, 2005 at 10:23:23PM +0100, Sebastian Kaps wrote:
> Hi Rich!
> 
> > If you had included mplayer output in your email I could point out the
> > exact line for your example, but what you want to look at is a line
> > like:
> > VO: [mga] 640x352 => 640x360 Planar YV12
> 
> > You will see that it is upscaling, not downscaling.
> 
> Ah, I see what you mean. Now, you will notice that 640x352 is a
> widescreen format. If you try the same on a 4:3 format video, you get
> the following (use mplayer -v):
> [...]
> VIDEO:  MPEG1  352x240  (aspect 12)  29.970 fps  1150.0 kbps (143.8 kbyte/s)
> [...]
> [xvidix] window properties: pos: 625x492, size: 264x264
> [...]
> 
> So the video is scaled up a bit in vertical direction, but scaled down a
> lot in horizontal direction.

OK, this is a bug. It's supposed to (and last I checked it did) scale
to 625x625. Anyway you're not playing video in a window for TVout,
you're playing it fullscreen, and in that case there is no
downscaling!

Rich