[x264-devel] regression test of x264

[Chang Chen]

Not sure it is randomness.

It sounds like Thread B(encoding B) depends on the output of Thread A( encoding A frame).

Can thread B work on any output of Thread A? is there any point where thread B can start to its work?

Chang

-----Original Message-----
From: x264-devel-bounces at videolan.org [mailto:x264-devel-bounces at videolan.org] On Behalf Of Gabriel Bouvigne
Sent: Tuesday, November 04, 2008 7:17 PM
To: Mailing list for x264 developers
Subject: Re: [x264-devel] regression test of x264

Chang Chen a écrit :
> Ok, would you like to help me to point out which algorithm of x264 is
> randomness?

Threading: x264 threading is by encoding multiple frames in parallel. If 
you are encoding frames A and B with B being predicted from A, B 
encoding results at a given macroblock line can change according to how 
much of frame A is already encoded.

That would be the case with motion estimation and VBV handling.

--
Gabriel
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