- From: <bugzilla@jessica.w3.org>
- Date: Wed, 03 Aug 2011 19:38:54 +0000
- To: public-html-bugzilla@w3.org
http://www.w3.org/Bugs/Public/show_bug.cgi?id=13625 Summary: There is no way to pass audio and video content metadata to the user agent that is required in some cases for playback. Product: HTML WG Version: unspecified Platform: All OS/Version: All Status: NEW Severity: normal Priority: P2 Component: HTML5 spec (editor: Ian Hickson) AssignedTo: ian@hixie.ch ReportedBy: b.lund@cablelabs.com QAContact: public-html-bugzilla@w3.org CC: mike@w3.org, public-html-wg-issue-tracking@w3.org, public-html@w3.org Problem description: Commercial video providers want to use an HTML5 user agent to provide user interface for media playback on devices that also support the UPnP home networking protocol [1]. In this use case, home network content is stored in a content directory where each item in the content directory contains the URL of the content item along with content metadata. This metadata is called resource encoding characteristics properties [2]. Some of this data may be needed by the user agent for content playback, specifically: o protocolInfo - third and fourth fields [3] contain content type information o size - provides a hint of the content item size in the case of file based content o protection – contains additional information for content protection There is currently no way to represent this type of metadata in the video and audio element so it is available to the user agent. These metadata items may be relevant to types of content other than UPnP. Proposed solution: To address the above problem, it is proposed that three new attributes be added to the HTMLMediaElement for this metadata, e.g. contentInfo, size and protectionInfo. [1] http://upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.0.pdf, also ISO/IEC 29341-1:2008 [2] http://upnp.org/specs/av/UPnP-av-ContentDirectory-v4-Service.pdf, also ISO/IEC 29341-3-12:2008 [3] http://upnp.org/specs/av/UPnP-av-ConnectionManager-v3-Service.pdf, also ISO/IEC 29341-3-11:2008 section 2.5.2 -- Configure bugmail: http://www.w3.org/Bugs/Public/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the QA contact for the bug.
Received on Wednesday, 3 August 2011 19:39:02 UTC