[FFmpeg-devel] [PATCH v6 00/10] make QSV works with the Intel's oneVPL

[Xiang, Haihao]

On Wed, 2021-10-20 at 06:53 +0000, Soft Works wrote:
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> > Jean-Baptiste Kempf
> > Sent: Wednesday, October 20, 2021 8:01 AM
> > To: ffmpeg-devel at ffmpeg.org
> > Subject: Re: [FFmpeg-devel] [PATCH v6 00/10] make QSV works with the
> > Intel's oneVPL
> > 
> > 
> > 
> > On Wed, 20 Oct 2021, at 01:00, Soft Works wrote:
> > > > -----Original Message-----
> > > > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> > > > Jean-Baptiste Kempf
> > > > Sent: Tuesday, October 19, 2021 11:19 PM
> > > > To: ffmpeg-devel at ffmpeg.org
> > > > Subject: Re: [FFmpeg-devel] [PATCH v6 00/10] make QSV works with
> > 
> > the
> > > > Intel's oneVPL
> > > > 
> > > > Hello,
> > > > 
> > > > On Fri, 15 Oct 2021, at 22:23, Soft Works wrote:
> > > > > I really appreciate all the effort that Intel is taking to
> > 
> > improve
> > > > > ffmppeg for QSV hw acceleration, but in this case I'm not
> > 
> > convinced
> > > > > that this should be merged into ffmpeg at this time.
> > > > > 
> > > > > [...]
> > > > > In its current state, oneVPL is all about removal of features
> > 
> > that
> > > > > have existed for a long time.
> > > > > 
> > > > > In its current state, it does not provide a single benefit over
> > > > > libmfx 1.x
> > > > 
> > > > Indeed.
> > > > But libmfx is not supported anymore by upstream, who's moving to
> > > > oneVPL, aka mfx 2.0.
> 
> Intel documents say otherwise:
> 
> "Intel® Media SDK API is nearing its final update. Implementation updates,
> such as security patches and critical bug fixes, will continue as needed."
> 
> 
https://www.intel.com/content/www/us/en/develop/documentation/upgrading-from-msdk-to-onevpl/top/faq/how-long-will-intel-media-sdk-be-available.html
> 
> "For currently available hardware, Intel® Media SDK and oneVPL provide the
> same access. Existing applications may continue to use Intel® Media SDK."
> 
> 
https://www.intel.com/content/www/us/en/develop/documentation/upgrading-from-msdk-to-onevpl/top.html
> 

According to this doc, new features are supported in oneVPL only. We will
provide av1_qsv encoder which is available for --enable-libvpl only, Please see 

https://github.com/intel-media-ci/ffmpeg/pull/515/commits/f4b500cb977f9506092831fda8f34b207feae618
 if you are interested. 

Thanks
Haihao