scope:

The present document defines the delivery of TV content via HTTP adaptive streaming. This includes the following:

• A profile of the features defined in MPEG DASH specification [1] (referred to by MPEG as an "interoperability point") largely based on the "ISOBMFF live" profile defined by MPEG.
• Constraints on the sizes or complexity of various parameters defined in the MPEG DASH specification [1].
• A selection of the video and audio codecs from the DVB toolbox that are technically appropriate with MPEG DASH constraints and/or requirements for the use of these, without mandating any particular codec.
• Using MPEG Common Encryption for content delivered according to the present document.
• Use of TTML subtitles with MPEG DASH.
• Requirements on Player behaviour needed to give inter-operable presentation of services.
• Guidelines for content providers on how to use MPEG DASH.

Amongst others, the following subjects are not covered in the present document:

• Mandatory codecs.
• Specific Content Protection schemes.

The normative XML schemas referenced by the present document are attached as separate files contained in archive ts_103285v010101p0.zip which accompanies the present document. The XML schemas included in the present document are informative.