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Sat Apr 21 16:38:38 UTC 2012
Sending RGB is the worst.<br>
Sending XV or YUV is better.<br>
Sending XVMC is much better<br>
Sending VDPAU or VAAPI is the best, but only slightly better than XVMC.</p>
<p>Another consideration is how to do overlays with each of the above.<br>
OpenGL makes overlays easy, but does not perform well on some systems.<br>
OpenGL and vdpau/vaapi go well together.<br>
I don't understand why OpenGL with YUV blits turns out worse than XV, because the amount of data over the bus should be the same.</p>
<p>James <br>
</p>
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