[FFmpeg-user] encrypt & decrypt Video

[DARA]

Hi Guys .
 I want encrypt & decrypt Video file With FFMPEG oflfine mode in hard disk.

I encrypt a Video File (mp4 Extention) by ffmpeg.exe Tools by this Command:

ffmpeg -i SampleVideo_1280x720_1mb.mp4 -vcodec copy -acodec copy
-encryption_scheme cenc-aes-ctr -encryption_key
76a6c65c5ea762046bd749a2e632ccbb -encryption_kid
a7e61c373e219033c21091fa607bf3b8 SampleVideo_1280x720_1mb_encrypted.mp4

for decryption :
i want decrypt and play video file (encrypted.mp4) in my player source c++
(ffmpeg base) and *now i dont wnat use decrypt file with command line with
ffplay.exe *like this :
ffplay SampleVideo_1280x720_1mb_encrypted.mp4 -decryption_key
76a6c65c5ea762046bd749a2e632ccbb

how i can do decrypt with Write programing code that use FFMPEG api?

thanks in advance.



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