Fwd: [mythtv] blurry osd colour text for Xv output

Tue, 22 Feb 2005 19:13:46 -0800

I have a fair amount of experience with openGl, but mostly with 3d virtual environments. I have no idea how one might go about writing an openGL-based video output class. Do you mean to use openGl instead of xv? ie would you draw each frame as a texture on a quad? Then what about video cards without hardware openGL support like most of the sis chips?


Geoff

On Feb 22, 2005, at 5:01 PM, Isaac Richards wrote:


On Tuesday 22 February 2005 07:58 pm, Jeremiah Morris wrote:
On Feb 22, 2005, at 5:22 PM, Martin Barnasconi wrote: 
Has probably to do with the YUV420 algorithms, but
are there some better overlay routines in development?

The long-term solution is to use a true hardware overlay, instead of
merging the osd/subtitles into the video frames. This would take care
of a host of problems with the current functionality. It's been
discussed several times but nobody's contributed code as far as I know.

Someone should write an OpenGL-based videooutput class, and then we don't have
to treat the OSD as 'special' at all..

Isaac
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