[vdr] VDR-1.7.7 & Video aspect ratios

Nicolas Huillard nicolas at huillard.net
Mon May 4 19:30:36 CEST 2009


Matthias Becker a écrit :
> and what about  anamorphic material?
> A 16:9 SD broadcast in fact still is 4:3 but is streached by the TV to
> 16:9 to look ok (no egg-heads).
> Wouldn't it be correct also to draw the OSD anamorphic so that is not
> screached by the TV?
> 
> Did you get the point? It's somehow difficult to describe this topic for me.

With today's pixel-displays, we'd like to avoid all scaling, stretching, 
etc. done by the panel itself. ie. like Rolf said, always output from 
the computer at panel resolution, with 1:1 pixel mapping.
Video would be scaled, but not the OSD.

> Regards,
> Matthias
> 
> 2009/5/4 Rolf Ahrenberg <rahrenbe at cc.hut.fi>:
>> On Mon, 4 May 2009, Falk Spitzberg wrote:
>>
>>> The OSD should adopt to the size of the video material. If that is
>>> scaled to some non TV screen size, the OSD is scaled by the same factor.
>> I still disagree. If you scale down your OSD to video resolution (i.e.
>> 544x576) and afterwards scale up the both video and OSD to output
>> resolution (i.e. 1280x720), the OSD really looks crap due to scaling
>> artefacts.

-- 
NH



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