Re: [webkit-dev] Adding Encrypted Media Extensions

2012-04-04 Thread David Dorwin
The content should be encrypted as defined by the container format and independent of the key system or the proposed extensions. For MP4, this is defined by ISO BMFF (Common Encryption). The WebM definition is being developed. Those individual specs should ensure that implementations of each contai

Re: [webkit-dev] Adding Encrypted Media Extensions

2012-04-04 Thread Oliver Hunt
Last I saw, there hadn't been any attempt to actually define how the content is encrypted. Has that changed? If it hasn't how do we get interoperable implementations? The only way for this spec to not break the openness of and is for the encryption algorithm to be completely defined in the

[webkit-dev] Adding Encrypted Media Extensions

2012-04-04 Thread David Dorwin
Hi WebKit! I plan to add the Encrypted Media Extensions to the media elements. The extensions allow web applications using and to control key exchange. The extensions will be behind the ENCRYPTED_MEDIA feature define. The feature is tracked as https://bugs.webkit.org/show_bug.cgi?id=82968. Impl