Re: [FFmpeg-devel] Would a crypto file be acceptable?

From: Nicolas George <george@nsup.org>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] Would a crypto file be acceptable?
Date: Thu, 22 Dec 2022 11:40:16 +0100
Message-ID: <Y6Q0EE5CiLH7JwXr@phare.normalesup.org> (raw)
In-Reply-To: <CAPd6JnHEYqvDDy3b31ow4DCS8DiQ4U9ei7==3DL-9kEXum2sWw@mail.gmail.com>

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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

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