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[directfb-users] Re: [MPlayer-dev-eng] matrox 550 tv out andmplayer prob
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[directfb-users] Re: [MPlayer-dev-eng] matrox 550 tv out andmplayer problem



Ok, if I use -noaspect, I get the interlace artifacts again.
Shouldn't -noaspect
be leaving the video alone and not scaling it?

It's really starting to smell like something is broken with mplayers aspect
handling.

Neil

----- Original Message ----- 
From: "Neil Radisch" <nradisch@optonline.net>
To: "Neil Radisch" <nradisch@optonline.net>; "Ville Syrjälä"
<syrjala@sci.fi>; <directfb-users@directfb.org>
Sent: Tuesday, November 11, 2003 7:09 AM
Subject: Re: [directfb-users] Re: [MPlayer-dev-eng] matrox 550 tv out and
mplayer problem


> could it be that the aspect calculations are all assuming square monitor
> pixels? That
> could explain why things look too tall on the television using aspect 4:3.
>
> ----- Original Message ----- 
> From: "Neil Radisch" <nradisch@optonline.net>
> To: "Ville Syrjälä" <syrjala@sci.fi>; <directfb-users@directfb.org>
> Sent: Tuesday, November 11, 2003 6:46 AM
> Subject: [directfb-users] Re: [MPlayer-dev-eng] matrox 550 tv out and
> mplayer problem
>
>
> I get the same output if I eliminate the -aspect option.
>
> But what I don't understand it why it's trying to scale at all. This
> is the information that the demuxer generates (I think):
>
> ==> Found video stream: 0
> MPEG-PS file format detected.
> ==> Found subtitle: 0
> ==> Found audio stream: 128
> Searching for sequence header... OK!
> VIDEO:  MPEG2  720x480  (aspect 2)  29.97 fps  9800.0 kbps (1225.0
kbyte/s)
>
> If the video on disk is 720x480 and my screen is 720x480, why is it
> up-scaling
> to 720x540?
>
> Neil
>
>
> ----- Original Message ----- 
> From: "Ville Syrjälä" <syrjala@sci.fi>
> To: <directfb-users@directfb.org>
> Sent: Monday, November 10, 2003 11:38 PM
> Subject: [directfb-users] Re: [MPlayer-dev-eng] matrox 550 tv out and
> mplayer problem
>
>
> On Mon, Nov 10, 2003 at 11:17:46PM -0500, Neil Radisch wrote:
> > If I specify no ratio, or use monitoraspect I get no picture for many
> disks.
> > The real wierd thing is when I specify -aspect 4:3, I see this in the
> > verbose logs
>
> What do you see without any options?
>
> > Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> > VO Config (720x480->720x540,flags=0,'MPlayer',0x32315659)
> > VO: [dfbmga] 720x480 => 720x540 Planar YV12
> > ----
> > what's with the 720x480=>720x540 line????
> > If I specify -aspect 1.5 I get 720x480=>720x480 instead.
>
> This is mplayer's prescaling code. It always wants to upscale instead of
> downscale and it doesn't know that our screen size is limited to 720x480.
> Something in the rest of the aspect code doesn't like this and you end up
> with a black screen. -xy 720 should fix this if the prescaling code makes
> the width too big but I'm not sure there's any way to fix it if the height
> is too big.
>
> -- 
> Ville Syrjälä
> syrjala@sci.fi
> http://www.sci.fi/~syrjala/
>
>
> -- 
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>
>
>
>
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