[FFmpeg-devel] VP8 sliced threading

Reimar Döffinger Reimar.Doeffinger at gmx.de
Tue Jul 17 17:27:53 CEST 2012


On Tue, Jul 17, 2012 at 04:42:11PM +0200, Michael Niedermayer wrote:
> On Mon, Jul 16, 2012 at 09:47:16AM +0200, Reimar Döffinger wrote:
> > On 16 Jul 2012, at 02:01, Michael Niedermayer <michaelni at gmx.at> wrote:
> > > On Wed, Jul 11, 2012 at 11:26:14PM -0400, Daniel Kang wrote:
> > >> My implementation no longer uses sched_yield().
> > > 
> > > patches applied by luca and merged by me
> > 
> > And thus we accumulate more buggy threading code that will randomly fail and make helgrind cry.
> > Please someone at least mark the synchronization variables used outside a locked area as volatile.
> 
> i posted 2 patches that i hope should address this issue

Thank you, I think they are good. Did you try to benchmark a bit to
ensure it has no unexpected bad effects? Even if it's a bug fix IMHO
I think it's a good idea to know if it changes anything.


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