[Spice-devel] Help with solving a thread safety issue

Jeremy White jwhite at codeweavers.com
Mon Sep 8 11:39:49 PDT 2014

Hi Nicolas,

On 09/08/2014 12:56 PM, nicolas prochazka wrote:
> Hello,
> I've done  differents tests, with the differents combinaisons between
> qemu X and spice-server,
> I can say  that is  since video adaptative streaming, the video
> streaming is bad compare to the  old version (spice 0.12.3 / qemu 1.7 ).
> When i set SPICE_DISABLE_ADAPTIVE_STREAMING=Y , my tests shows that's a
> lot of frames are dropping, because of sound synchronisation, The only
> way to get good streaming performance is to desactivate audio from
> client side. ( --spice-disable-audio).
> An other point, when you disable streaming detection from server side,
> video is good, but the sound is very bad.

I would be curious if my patch changes anything for you:



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