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Re: Encrypted Media proposal: Summary of the discussion so far

From: Henri Sivonen <hsivonen@iki.fi>
Date: Mon, 5 Mar 2012 10:11:14 +0200
Message-ID: <CAJQvAuf14ZQe0JeD19jznXGUGsux5bN4AcmHOecwOrauO2vDRg@mail.gmail.com>
To: Mark Watson <watsonm@netflix.com>
Cc: "Tab Atkins Jr." <jackalmage@gmail.com>, Christian Kaiser <kaiserc@google.com>, "<public-html@w3.org>" <public-html@w3.org>
On Mon, Mar 5, 2012 at 2:57 AM, Mark Watson <watsonm@netflix.com> wrote:
> This is exactly why encryption should be defined by container formats, not CDMs, so that CDMs *are* interchangeable. This is how we at Netflix are able to work with multiple CDMs but one set of media files using the ISO Common Encryption standard for mp4 files. It's a principle we could require in association with this proposal.

This seem like an important constraint on CDM design. Why isn't this
stated in the proposal?

Henri Sivonen
Received on Monday, 5 March 2012 08:11:47 UTC

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