On 7/15/2021 12:10 AM, Soft Works wrote:
-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of
Xiang, Haihao
Sent: Thursday, 15 July 2021 04:35
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH v7 1/8] libavcodec/qsv: enabling
d3d11va support, added mfxhdlpair
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.ga...@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.ga...@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.
There's no doubt that the new method will be better, but the point is not to
break existing command lines. From my experience, ffmpeg usually avoids to
break established command line patterns, which is a good thing imo.
Anything more official than my perception? Please feel free to chime in... ;-)
That patch appears to attempt to maintain support for existing command
lines for a deprecation period, something we've done before with other
hwaccels like cuvid, so if it's really better, it's fine and acceptable.
softworkz
I
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