Re: xine's osd

On Tue, 2003-08-12 at 20:03, Reinhard Nissl wrote:
> my plugin for VDR is making good progress. The osd is almost functional,

hey, nice!

> http://home.vr-web.de/~rnissl/vdr-osd-xine-xv.jpg shows you the upper left 
> corner of the same menue, when xine uses the xv video output module. There 
> are 
> noticeable distortions (BTW: this is my first off screen shot).

it's hard to say from the image, but i guess you are probably
experiencing some sort of "color leaking"?

the cause is the current blending code for YV12, it doesn't account the
subsampling correctly. it is possible that U and V planes are
incorrectly blended on edges (the behaviour may depend on even/odd
pixels).

regards,

Miguel


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