Intel, h264 and XvMC

Colin Guthrie gmane at
Mon Apr 5 01:20:51 PDT 2010

'Twas brillig, and Yan Seiner at 04/04/10 21:07 did gyre and gimble:
> Terry Barnaby wrote:
>> 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.)
>> 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 ?
> I've heard unsubstantiated rumours of possible VDPAU support..  That
> would be sweet!  It would make intel chipsets competitive with nvidia
> ion for video playback.
> Any truth to those rumours?

The intel-gfx list is probably the more appropriate place to ask.

This is probably the relevant thread:



Colin Guthrie

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