Mark Gaiser (12022-12-21):
> While this works just fine, it's limited in use because the cryptography
> details have to be passed on the command line. Applications that might well
> support much of ffmpeg functionality can't easily hook into the crypto
> functionality. Take KODI for example, it allows playback of many of the
> formats ffmpeg supports but anything with crypto just isn't possible. In
> fact, anything that requires custom command line arguments isn't possible.
> [2]
> 
> My idea is to make a new file format that would be implemented and specced
> within [1]. My proposed format would be:
> 
> ---
> CRYPTO-VERSION:1
> CRYPTO-KEY:URI:.....
> CRYPTO-IV:URI:.....
> encrypted_file
> ---

The concat demuxer can already contain options, and despite is name it
can be used with a single file.

Regards,

-- 
  Nicolas George