[x264-devel] threads based encoding not deterministic

[Gabriel Bouvigne]

If you enable both threads and specify a vbv buffer size, then encoding 
is not deterministic:

* --threads 2 --progress --bitrate 1000 --vbv-bufsize 1500
=> not deterministic

* --threads 2 --progress --bitrate 1000
=> deterministic

* --threads 1 --progress --bitrate 1000 --vbv-bufsize 1500
=> deterministic


I will try to have a deeper look at it.

--
Gabriel

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