3.1.1.1.2 Stream Description

The Stream Description data element encapsulates all metadata that is specific to a single stream.

Stream Metadata: A set of metadata that is common to all tracks for the stream. Stream Metadata comprises the following fields, specified in section 2.2.2.3:

  • StreamTimeScale

  • Type

  • Name

  • NumberOfFragments

  • NumberOfTracks

  • Subtype

  • Url

  • StreamMaxWidth

  • StreamMaxHeight

  • DisplayWidth

  • DisplayHeight

Track Collection: A collection of Track Description data elements, as specified in section 3.1.1.1.2.1.

Fragment Reference Collection: An ordered collection of Fragment Reference Description data elements, as specified in section 3.1.1.1.3.

Sparse Stream Flag: A Boolean flag that specifies whether the stream is a sparse stream.

Parent Stream: A reference to the Stream Description data element for this stream's Parent Stream. This data element SHOULD NOT be set unless the stream is a sparse stream.

Last Downloaded Fragment: A 64-bit, unsigned integer that holds a reference to the Last Known Fragment for a sparse stream. This data element SHOULD NOT be set unless the stream is a sparse stream.