[MPlayer-users] video filters override movie aspect (was: Re: -vo quartz overrides movie aspect)

[Dominik 'Rathann' Mierzejewski]

On Friday, 23 April 2004 at 21:15, Steven M. Schultz wrote:
> 
> On Fri, 23 Apr 2004, Dominik 'Rathann' Mierzejewski wrote:
> 
> > It's probably something unrelated to quartz directly, because I'm
> > experiencing similar behaviour with xv, but only with video filters
> > enabled. When no filters are active, everything is fine. I haven't been
> > able to trace the origin of this bug yet, so I'm afraid it's all I've got
> > now. Please see if it behaves similarly with vo quartz.
> 
> 	Hmmm, I'm not using any filters that I know of (at least not
> 	explicitly).  A simple:
> 
> 	mplayer -vo quartz 19150.mpg
> 
> Starting playback...
> VDec: vo config request - 480 x 480 (preferred csp: Planar YV12)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> No accelerated colorspace conversion found
> SwScaler: using unscaled Planar YV12 -> RGB 32-bit special converter

You're using swscaler because your VO doesn't support YV12, that's enough.
Without -vf scale it works the way it should for me, either.

> VO: [quartz] 480x480 => 640x480 RGB 32-bit 
> 
> 	distorts the image but
> 
> 	mplayer -vo sdl 19150.mpg
> 
> Starting playback...
> VDec: vo config request - 480 x 480 (preferred csp: Planar YV12)
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> VO: [sdl] 480x480 => 640x480 Planar YV12 

And here SDL supports YV12, so no swscaler conversion is necessary.

> 	works fine.
> 
> 	No filters are being requested yet in the first case there is the
> 	"opening video filter: [scale]: being added.   But rather than
> 	scaling to 640x480 it's actually scaling to 778x480.

So it appears it's the same as in my case with XVideo and swscaler.

Thanks.

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