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MPEG Common Encryption

FFmpeg Enc/Dec

Encryption example 

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

Running ffmpeg -h muxer=mp4 will produce all the available options for the MP4 muxer, among which are 

-encryption_scheme <string>     E....... Configures the encryption scheme, allowed values are none, cenc-aes-ctr
-encryption_key    <binary>     E....... The media encryption key (hex)
-encryption_kid    <binary>     E....... The media encryption key identifier (hex)

Playback / Decoding

ffplay 

ffplay SampleVideo_1280x720_1mb_encrypted.mp4 -decryption_key 76a6c65c5ea762046bd749a2e632ccbb

mpv 

mpv --demuxer-lavf-o=decryption_key=76a6c65c5ea762046bd749a2e632ccbb SampleVideo_1280x720_1mb_encrypted.mp4

Projects

  • Shaka Packager - DASH 및 HLS 패키징 및 암호화를 위한 도구이자 미디어 패키징 SDK입니다. 온라인 스트리밍을 위한 미디어 콘텐츠를 준비하고 패키징할 수 있습니다.

See also

Favorite site

w3c