Andreas Rheinhardt
a2a38b1606
avutil/cpu: Fix race condition in av_cpu_count() ...
av_cpu_count() intends to emit a debug message containing the number of
logical cores when called the first time. The check currently works with
a static volatile int; yet this does not help at all in case of
concurrent accesses by multiple threads. So replace this with an
atomic_int.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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a2a38b1606