TrackDefault.TrackDefault()

Draft
This page is not complete.

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.

The TrackDefault() constructor of the TrackDefault interface constructs and returns a new TrackDefault object.

Syntax

JavaScript
var trackDefault = new TrackDefault(type, language, label, kinds, byteStreamTrackID);

Parameters

type
A DOMString specifying a media segment data type for the SourceBuffer to contain. Can be audio, video, or text.
language
A DOMString specifying a default language for the SourceBuffer to use when an initialization segment does not contain language information for a new track.
label
A DOMString specifying a default label for the SourceBuffer to use when an initialization segment does not contain label information for a new track.
kinds
An array (sequence) of DOMStrings specifying default kinds for the SourceBuffer to use when an initialization segment does not contain kind information for a new track.
byteStreamTrackID Optional
A DOMString specifying the ID of the specific track that the SourceBuffer should apply to. If not specified, this value will be an empty string and the SourceBuffer can contain any tracks of the specified type.

Errors

when this constructor is invoked, the following errors can occur:

Error Explanation
InvalidAccessError The supplied language is not a valid language code, e.g. en-US.
TypeError there are values specified in the kinds array that do not apply to the specified type.

Example

TBD

Specifications

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? Not supported ? ? ?
Feature Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ?

Not supported

 Not supported ? ? Not supported

See also

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/trackdefault/trackdefault

API Audio Constructor Experimental Media Source Extensions MSE Reference TrackDefault Video