[FFmpeg-devel] [PATCH 1/2] lavu/aes: add x86 AESNI optimizations

Michael Niedermayer michael at niedermayer.cc
Mon Oct 12 13:13:34 CEST 2015


On Mon, Oct 12, 2015 at 02:54:28AM -0500, Rodger Combs wrote:
> ---
>  libavutil/aes.c          |  2 +
>  libavutil/aes_internal.h |  2 +
>  libavutil/x86/Makefile   |  4 +-
>  libavutil/x86/aes.asm    | 98 ++++++++++++++++++++++++++++++++++++++++++++++++
>  libavutil/x86/aes_init.c | 37 ++++++++++++++++++
>  5 files changed, 142 insertions(+), 1 deletion(-)
>  create mode 100644 libavutil/x86/aes.asm
>  create mode 100644 libavutil/x86/aes_init.c

segfaults with:
./ffmpeg -i matrixbench_mpeg2.mpg -encryption_key 0123456789abcdef0011223344556677  -encryption_iv aabbccddeeff11335577999876542222  crypto:file.nut

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

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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