[FFmpeg-devel] [PATCH] avutil: fix data race in av_get_cpu_flags().

Michael Niedermayer michael at niedermayer.cc
Wed Nov 23 23:48:18 EET 2016


On Wed, Nov 23, 2016 at 11:44:04AM -0800, Wan-Teh Chang wrote:
> On Tue, Nov 22, 2016 at 3:32 PM, wm4 <nfxjfg at googlemail.com> wrote:
> >
> > [libav/compat/atomics/] is emulation code for compilers which don't provide C11 atomics.
> > All relevant compilers provide them natively (and presumably implement
> > the weaker semantics).
> 
> Thank you for pointing this out.
> 

> Do you know when the atomics code in libav will be merged to ffmpeg?

You can just cherry pick what you need and submit it as patchset to
ffmpeg-devel
make sure though all author fields are 100% correct


> 
> I don't want add new code that will interfere with the merge. On the
> other hand, the new code I wanted to add will be easy to rewrite using
> C11 atomics. So this all depends on when the merge will be performed.
> 
> Thanks,
> Wan-Teh Chang
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-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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