[FFmpeg-devel] Reply:Re: crypto

??? tshping at 163.com
Mon Jul 16 03:10:12 CEST 2012

sir,i am so fresh in FFMPEG and i dont know how to use crypto in
FFMPEG.where can i add the crypto interfaces to FFMPEG?there is crypto.c in
FFMPEG source,but i didnt find who calls these interfaces.how can i use
these interfaces?can you give me some illustrations?thx so much in advance.

At 2012-07-13 23:19:02,"Michael Niedermayer" <michaelni at gmx.at> wrote:
>On Fri, Jul 13, 2012 at 05:20:01PM +0800, Hawk-TAO wrote:
>> hi,ladies and gentlemen,i am a fresh in ffmpeg.and  i wanna use crypto in
>> ffmpeg to encrypt/decrypt the avstream and also,i wanna parallelize it
>> OpneCL,but i didnt know how to use crypto in ffmpeg,so i need your
>> anyone help me? I have asked many developers whether they use crypto in
>> ffmpeg, they answered no. and is it a good idea to use crypto in ffmpeg?
>> the ffmpeg.org accept the code if I parallized it with OpenCL?thx so
>If you want to optimize the crypto functions by using multiple threads
>or hand written asm this is surely welcome.
>A dependancy on OpelCL for optimizations seems non ideal
>Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>Everything should be made as simple as possible, but not simpler.
>-- Albert Einstein

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