[FFmpeg-devel] CNG (consistent noise generation) patch for AC-3 decoder

Michael Niedermayer michael at niedermayer.cc
Fri Sep 2 23:01:48 EEST 2016


On Fri, Sep 02, 2016 at 10:19:23AM -0700, Jonathan Campbell wrote:
[...]
> CRC computation isn't fast enough? What should I use then? A sum of
> byte values?

av_lfg_init() calls av_md5_sum()
av_md5_sum() is too slow to be called per ac3 frame

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

it is not once nor twice but times without number that the same ideas make
their appearance in the world. -- Aristotle
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