Re: [FFmpeg-devel] [RFC] QSV: Introduce min Compile-SDK Version and check for Runtime-Versions instead

["Xiang, Haihao" <haihao.xiang-at-intel.com@ffmpeg.org>]

> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of Soft
> > Works
> > Sent: Wednesday, January 12, 2022 4:37 AM
> > To: FFmpeg development discussions and patches <ffmpeg-
> > devel@ffmpeg.org>
> > Subject: Re: [FFmpeg-devel] [RFC] QSV: Introduce min Compile-SDK
> > Version and check for Runtime-Versions instead
> 
> [..]
> 
> > > > Question
> > > > 
> > > > Having both - run-time and compile-time checks all over the code
> > 
> > is adding
> > > > a lot of complexity and makes it difficult to maintain and work
> > 
> > with.
> > > > 
> > > > Hence, I'm wondering whether we couldn't/shouldn't introduce a
> > 
> > minimum
> > > > MSDK compile-time version, for example 1.22, or even later?
> > > > 
> > > > This would allow simplification of the QSV code in many places
> > 
> > where run-
> > > time
> > > > version checks are actually needed instead.
> > > > 
> > > > Over time, there have been better and worse MSDK versions, and
> > 
> > there
> > > > should still be enough room for choosing, but I don't think
> > 
> > there's any
> > > > reason why somebody would still want to compile against some
> > 
> > really old
> > > > (e.g. < 1.22) MSDK version.
> > > > 
> > > > Please share your thoughts on this subject..
> > > 
> > > I agree we may add a requirement for the minimal compiling version
> > 
> > in
> > > configure,
> > > version 1.28 was released 3 years ago, how about using this version
> > 
> > as the
> > > minimal compiling version ?
> > 
> > I'm fine with 1.28!
> 
> 
> Are there any objections towards setting 1.28 as a minimum requirement 
> for the MSDK (QSV) compile-time version?
> 

I submitted https://ffmpeg.org/pipermail/ffmpeg-devel/2022-May/296699.html,could you take a look when you have time ? 

Thanks
Haihao

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