Hi Im wondering how to add graphics to an app like - fbtv using overlay. As I understand overlay the videocard writes directly to the videomemory ?! I would like to add graphics on top of the tv-image - but dont know how to do this. I have tried grabbing using Gerd's suggestion from the documentation in libng - that suggest grabbing frame 0, then frame 1 - then sync frame 0 - and process it (for me meaning adding graphics to it) then sync frame 1 ...etc. This works but is too slow. (I have old hardware) So now I want to write directly to the framebuffer and let the videocard do the same.... (How) can I do this ? and what about syncing ?? And is this the way to do it at all ??
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