I may have the wrong end of the stick but I'm looking for some advise please!
Short version: - 1024x768 screen mode on Matrox G400/G450 - Need a 352x288 YUV surface scaled to full screen (easy enough) - Alpha-blended 1024x768 RGB surface on top (hard) - How?
Long version:
Not sure if anyone is familiar with mplayer, but basically its directfb backend sets up a YUV layer which it scales to full screen size.
For example, in my case I have a 352x288 YUV surface (layer 1 on the Matrox G400) scaled to 1024x768 for display. The card seems to do that and all is well (and very fast).
But I would like to overlay an RGB 1024x768 image on top of the video, alpha blended. I have tried getting a surface for layer 0, but this fails, perhaps because layer 1 is set for exclusive access. I can't seem to blit to my YUV surface and everything operates at the lower resolution.
Any advise appreciated as I can't get my head around the limitations and best approach from reading the docs and source code.
Thanks, Simon
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