[FFmpeg-devel] [PATCH] avutil/crc: always use precalculated CRC tables for known polynomials

Michael Niedermayer michael at niedermayer.cc
Mon Oct 23 05:56:45 EEST 2017


On Sun, Oct 22, 2017 at 10:03:55AM -0300, James Almer wrote:
> This prevents data races in av_crc_get_table()

the modules which use a specific crc can init it during their
initialization.
the initialization should be thread safe as it never writes a different
value in the same spot
This would avoid the need to alwas hardcode the tables

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus
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