Intel, h264 and XvMC

Terry Barnaby terry1 at beam.ltd.uk
Sat Apr 3 23:55:43 PDT 2010


On 04/04/10 05:23, Nikos Chantziaras wrote:
> On 04/04/2010 06:30 AM, Yan Seiner wrote:
>> I'm trying to understand if Intel XvMC can be used with h264 material.
>> If not, is there any way to use Intel hardware acceleration with h264
>> source?
>
> VA-API does h264 bitstream decoding on the GPU, not XvMC. XvMC is only
> for motion compensation (which is what "MC" stands for.)
>
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There are extensions to XvMC however, for Via and other chipsets that
allow at least MPEG2 streams to be sent to the GPU for higher level hardware 
decode. XvMC isn't really suited to this though, hence the newer schemes.

Actually Intel developers, is there any news of providing hardware H264/MPEG2
decoding via an API for Linux on the G45 graphics chipset ?

Terry



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