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

[Soft Works]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Soft
> Works
> Sent: Wednesday, January 12, 2022 4:37 AM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at 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?

sw