The type of video element allowed is not specified. Use of propietary codecs will break portability of a document, and may present patent problems for implementation, since they are outside of the scope of this specification.

Specify a set of patent free, portable video codecs as base, and whenever other codecs are used, mark the document as "extended" (See comment for Part 1, Section 2.6)

2.3.3.17 te

259(266)

Proposed Disposition of DIS 29500 Comment CO-0084 (Modified: 2008-01-04) Agreed; the description of this element would be improved by referencing a set of suggested formats, as was suggested for other similar items (e.g. image formats) in other national body comments. However, we believe that rather than duplicate this information, we should just reference the list defined in Part 1. Also, we agree that this list should contain a set of portable codecs as the suggested base set. However, we do not believe that preventing the use of other codecs is appropriate, as it will prevent innovation. Accordingly, the following changes will be made: Part 4, §2.3.3.17, page 259, line 5: This element specifies a location within a document where the specified parent image shall be treated as a static placeholder for an embedded movie. [Note: A list of suggested video types is provided in Part 1, §15.2.16. end note] Part 1, §15.2.16, page 157, row Content Type: Content Type: Any supported video type. [Note: Some example content types are: video/x-ms-asf http://www.microsoft.com/windows/windowsmedia/forpros/format/asfspec.aspx video/avi http://www.the-labs.com/Video/odmlff2-avidef.pdf video/mpg ISO/IEC 13818 video/mpeg ISO/IEC 13818 video/ogg http://www.theora.org/doc/Theora.pdf video/x-ms-wm http://www.microsoft.com/windows/windowsmedia/forpros/format/asfspec.aspx video/quicktime http://developer.apple.com/softwarelicensing/agreements/quicktime.h tml video/vc1 http://tools.ietf.org/html/rfc4425 end note]