Transcript
Adaptive HTTP Streaming Standardization
The role of adaptive streaming standardization activities in defining broadband television standards
W3C Web and TV Workshop
8 February, 2011
John Simmons
Media Platform Architect
Microsoft
Broadband Television Standard Elements Broadband Television Channel Content Protection ▶ Common encryption ▶ Broad industry fora adoption Authentication & Authorization ▶ AuthN for broadcaster and non-broadcaster ▶ Not dependent on a custom application ▶ Addresses privacy issues Encoding ▶ Common encode: Download to own, progressive download, adaptive streaming ▶ Address combinatorial complexity problem Adaptive Streaming ▶ CDN optimization ▶ Alternate tracks synchronized at client Application Portability ▶ HTML5 ▶ Standardized
Encryption enforces authorization
DRM interoperable encoding
Combinatorial complexity addressed
Protected adaptive streaming support
8-Feb-2011
W3C Web and TV Workshop - Microsoft
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Supply side optimization
Online video providers
Network optimization
DRM interoperability
Cross platform support
Encoding & Adaptive Streaming Standardization
IIS Smooth Streaming
HTTP Live Streaming (HLS)
Smooth Streaming Transport Protocol
Protected Interoperable File Format
Sept 2009
First Informational Draft
May 2009
Adaptive HTTP Streaming (AHS)
March 2010
HTTP Adaptive Streaming (HAS)
Sept 2010
Dynamic Adaptive Streaming over HTTP (DASH)
Draft International Standard – February 2011
Publish
Publish Under Community Promise (royalty free)
Liaison relationship
Liaison relationship
Liaison relationship
Publish
Publish
Publish
MPEG - ISO/IEC JTC1/SC29 WG11
Liaison relationship
Publish
Common File Format
Estimated. Q1 2011
Contribute
8-Feb-2011
W3C Web and TV Workshop - Microsoft
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14496-12 ISO Base Media File Format Draft Amendment - February 2011
Digital Entertainment Content Ecosystem
Microsoft & MPEG DASH Licensing
For conformant implementations of the final MPEG DASH specification, Microsoft plans to make its necessary patent claims available under the MPEG patent policy’s royalty-free RAND licensing option.
Any patent licensing commitment to MPEG DASH implementations will not interfere with or change the terms of any other licensing programs.
8-Feb-2011
W3C Web and TV Workshop - Microsoft
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