On Sat, May 9, 2020 at 7:41 PM Soft Works <softwo...@hotmail.com> wrote: > > > -----Original Message----- > > From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of > > Hendrik Leppkes > > Sent: Saturday, May 9, 2020 9:08 AM > > To: FFmpeg development discussions and patches <ffmpeg- > > de...@ffmpeg.org> > > Subject: Re: [FFmpeg-devel] [PATCH v4 03/11] libavutil/hwcontext_d3d11va: > > adding more texture information to the D3D11 hwcontext API > > > > > > > > > > > I'm not really a fan of this. Only supporting array textures was an > > > > intentional design decision back when D3D11VA was defined, because > > > > it greatly simplified the entire design - and as far as I know the > > > > d3d11va decoder, for example, doesnt even support decoding into > > anything else. > > > > > > > > - Hendrik > > > > > > It's not like there would be a choice. The Intel MSDK uses an > > > allocator mechanism and when it asks for a non-array DX11 texture it has > > > to > > be given one. > > > > > > > Of course there is a choice. Only support the new stuff. Afterall we havent > > supported it at all for years now, so only supporting it on newer drivers > > isn't > > the end of the world. > > It _IS_ the end of the world when at the same time, the default will be > switched to DX11 because this will automatically create many cases > where things will fail which have been working previously. > > An automatic fallback is not a good alternative either because that would > break specific adapter selection by adapter number because the numbering > is different between D3D9 and DX11. > > Assuming that everybody would have the latest driver is not matching the > situation in the real world. See here for an example: > https://github.com/softworkz/ffmpeg_dx11/issues/1 >
According to your own documentation, even the proposed DX11 version will still fail on various systems (only bullet point 3 is solved from the list in issue 2, leaving 1 and 2) So either you have a fallback, or DX11 should probably just not be the default at all then. - Hendrik _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
