- From: Mark Watson <watsonm@netflix.com>
- Date: Mon, 5 Mar 2012 00:57:21 +0000
- To: Tab Atkins Jr. <jackalmage@gmail.com>
- CC: Christian Kaiser <kaiserc@google.com>, "<public-html@w3.org>" <public-html@w3.org>
Sent from my iPhone On Mar 4, 2012, at 8:53 AM, "Tab Atkins Jr." <jackalmage@gmail.com> wrote: > CDMs are not interchangeable in the sense required for this paragraph > to make sense. If a distributor encrypts their videos with a > particular encryption scheme implemented only by a particular CDM > which is strictly licensed to only certain browsers/OSes they like, > they anyone not on their list is unable to play the video. 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. ...Mark
Received on Monday, 5 March 2012 00:57:51 UTC