TrackDefault

Draft
This page is not complete.

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The TrackDefault interface provides a SourceBuffer with kind, label, and language information for tracks that do not contain this information in the initialization segments of a media chunk.

A TrackDefault object is provided to a SourceBuffer object by setting its SourceBuffer.trackDefaults property.

Constructor

TrackDefault()
Constructs and returns a new TrackDefault object.

Properties

TrackDefault.type Read only
Returns the type of track that this SourceBuffer's media segment data relates to (i.e. audio, video, or text track.)
TrackDefault.byteStreamTrackID Read only
Returns the ID of the specific track that the SourceBuffer should apply to.
TrackDefault.language Read only
Returns the default language to use when an initialization segment does not contain language information for a new track.
TrackDefault.label Read only
Returns the default label to use when an initialization segment does not contain label information for a new track.
TrackDefault.kinds Read only
Returns the default kinds used when an initialization segment does not contain kind information for a new track.

Examples

TBD

Specifications

Specification Status Comment
Media Source Extensions
The definition of 'TrackDefault' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support ? Yes No ? ? ?
TrackDefault() constructor ? Yes No ? ? ?
byteStreamTrackID ? Yes No ? ? ?
kinds ? Yes No ? ? ?
label ? Yes No ? ? ?
language ? Yes No ? ? ?
type ? Yes No ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? ? Yes No ? No ?
TrackDefault() constructor ? ? Yes No ? No ?
byteStreamTrackID ? ? Yes No ? No ?
kinds ? ? Yes No ? No ?
label ? ? Yes No ? No ?
language ? ? Yes No ? No ?
type ? ? Yes No ? No ?

See also

Document Tags and Contributors

Contributors to this page: fscholz, chrisdavidmills
Last updated by: fscholz,