[FFmpeg-devel] Plans to support HLS-compatible AES-CBCS for MP4

Toby Steele toby at hoodibrass.com
Fri Dec 28 17:39:01 EET 2018

Hi There,


Looking at current MP4 encryption support, using the 'ffmpeg -h muxer=mp4'
command, I can see that only AES-CTR mode is supported. 


I was wondering whether there are plans to support AES-CBCS mode encryption
as well? This is needed to support CENC-compatible encrypted HLS content
using the fragmented MP4 container format, and so would be a very useful


Thanks in advance






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