[FFmpeg-devel] [PATCH v7 1/8] libavcodec/qsv: enabling d3d11va support, added mfxhdlpair

[Xiang, Haihao]

On Tue, 2021-07-13 at 11:53 -0300, James Almer wrote:
> On 11/14/2020 1:49 PM, Max Dmitrichenko wrote:
> > On Tue, Nov 3, 2020 at 7:47 PM Artem Galin <artem.galin at gmail.com> wrote:
> > 
> > > Adding DX11 relevant device type checks and adjusting callbacks with
> > > proper MediaSDK pair type support.
> > > 
> > > Extending structure for proper MediaSDK pair type support.
> > > 
> > > Signed-off-by: Artem Galin <artem.galin at intel.com>
> > > .....
> > 
> > 
> > Patchset obviously closes the gap of DirectX 11 support
> > and already checked with several apps that use FFMPEG.
> > 
> > Any particular review comments should be yet expected?
> > 
> > Changes seem to be straight forward
> > and incorporate prev. comments.
> > 
> > thank in advance
> > 
> > regards
> > Max
> 
> There are some issues pointed out by Soft Works related to switching the 
> default to DX11 breaking existing command lines with DX9, plus an 
> OpenCL<->QSV interop regression this would introduce that according to 
> him should be easy to fix.
> 
> If those are addressed, the set should be good.

If we may apply http://ffmpeg.org/pipermail/ffmpeg-devel/2021-June/281778.html
(qsvdec: add support for HW_DEVICE_CTX method) first, we should be able to use the common device stuff to initialize d3d11va device for QSV and needn't use child_device_type to specify child device.

-init_hw_device d3d11va=d3d11va:xxx -init_hw_device qsv at d3d11va 

Thanks
Haihao

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