[FFmpeg-devel] Fwd: Re: patch for x32 for libpostproc

Reinhard Tartler siretart at gmail.com
Tue Sep 9 16:37:51 CEST 2014

There seems to be at least some activity here.  Maybe we can update the
Debian libpostproc package to Michael's new branch.

Derek, just to clarify since you worked on the branch the package is
currently based on: What are your thoughts on this? Are you interested in
continuing this effort? What would you recommend to use for the Debian
package? Is it useful to have libpostproc in Debian? (see also the backlog
of this bug).

Please advise.

 On Fri, Sep 05, 2014 at 08:18:57AM +0200, Reimar Döffinger wrote:
> On 05.09.2014, at 03:46, Reinhard Tartler <siretart at gmail.com> wrote:
> > On Thu, Sep 4, 2014 at 9:32 PM, Michael Niedermayer <michaelni at gmx.at>
> >>> At the end of the day, I need a source tarball that contains
> >>> maintained sources of a stand-alone libpostproc. I don't care too much
> >>> how it is created, as long as it doesn't result in code-duplication
> >>> with existing sources in Debian.
> >>
> >> would it work if libpostproc could be build and installed
> >> standalone from ffmpeg git / ffmpeg release tarballs?
> >
> > That would be exactly the code-duplication I referred to in the text
> > you've quoted.
> Combined with a release script doing rm of libav*?
> I think the problem is that libpostproc just isn't a viable stand-alone
program, mostly due to complete lack of stand-alone testability not to
mention test infrastructure.
> Keeping the separate git up-to-date certainly is an option but involves
extra effort (though a lot less than making libpostproc testable
> I don't see a good way to split the libraries into separate repositories
that does not involve either at least maintaining configure in each or
seriously harming bisecting/regression testing.
> Release scripts that generate multiple tarballs seems more realistic than
splitting the repository, in case that sounds like helpful to anyone...

Heres a proof of concept updated libpostproc


this is simply a clone of ffmpeg with everything unneeded
droped and the build system from the libpostproc repository
it builds successfully but is completely untested beyond that

It seems the old buildsystem lacks HAVE_MMX*_INLINE support, this
would need to be added, as well as updating README and all that as
well as testing

also the differences in aboves repo could possibly be used to
construct a script to create a split out libpostproc for debian
if thats whats wanted.


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you think the mosad wants you dead since a long time then you are either
wrong or dead since a long time.

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