[Libav-user] Anybody got DXVA2 running?

Lars Hammarstrand lars.hammarstrand at gmail.com
Mon Apr 22 16:03:11 CEST 2013


2013/4/22 Hendrik Leppkes <h.leppkes at gmail.com>

>
>
> On Mon, Apr 22, 2013 at 3:04 PM, Lars Hammarstrand <
> lars.hammarstrand at gmail.com> wrote:
>
>> Hi
>>
>> I'm facing hard problems to get DXVA2 to work based on current master
>> head or 1.2. The ffmpeg implementation seems to supports DXVA2 hw-accl
>> codec for H.264/MPEG-4 & MPEG-2 (i.e Hi10P) but I only get CPU decoded and
>> swscale converted working properly. Same problem goes with VideoLan's VLC
>> binary 2.0.6 but Apples Quicktime seems doing fine with full hw-acc with
>> only 2-4% CPU. Maybe this has anything to do with it:
>> http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2013-March/139852.html.
>>  Dxdiag says dx10 and all hw functions enabled.
>>
>> Anybody got DXVA2 running? If so, which ffmpeg version and config flags
>> were used?
>>
>>
>>
> The ffmpeg application does not support DXVA2.
> Other players like VLC should however be fine, if build with a proper
> toolchain which includes the DXVA2 headers required (say mingw-w64)
>
> If the toolchain provides dxva2 headers, no config flags should be
> required and support enabled automatically in avcodec.
>
> Note that Hi10p is not supported by hardware decoders.
>
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