[FFmpeg-devel] [PATCH v2] lavc/qsv: adding DX11 support

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> Artem Galin
> Sent: Tuesday, March 10, 2020 5:10 PM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH v2] lavc/qsv: adding DX11 support
> 
> Any comments on updated patch by link below:
> https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200306130954.8938-
> 1-artem.galin at gmail.com/

I don't see any comments there.

[...]

> > >>
> > > Could you help me to reproduce this unusual behavior where texture
> > > need
> > not
> > > be the same for all frames in a frames context?
> >
> > It's the default behaviour of a D3D11 frames context; it only makes a
> > single array texture when you set a fixed size at the start
> > (specifically for the decode use-case which requires a single array
> > texture).  So for example d3d11 + hwupload filter will do this.

The D3D11 hardware context needs to be extended to support non-array 
texture-pools. Otherwise a significant range of graphics devices would fail
to work (practically all that don’t have drivers supporting the most recent SDK 
versions.

softworkz