Draft
This page is not complete.
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The TrackDefault()
constructor of the TrackDefault
interface constructs and returns a new TrackDefault
object.
var trackDefault = new TrackDefault(type, language, label, kinds, byteStreamTrackID);
DOMString
specifying a media segment data type for the SourceBuffer
to contain. Can be audio
, video
, or text
.DOMString
specifying a default language for the SourceBuffer
to use when an initialization segment does not contain language information for a new track.DOMString
specifying a default label for the SourceBuffer
to use when an initialization segment does not contain label information for a new track.DOMString
s specifying default kinds for the SourceBuffer
to use when an initialization segment does not contain kind information for a new track.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
.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 . |
TBD
Specification | Status | Comment |
---|---|---|
Media Source Extensions The definition of 'TrackDefault' in that specification. | Recommendation | Initial definition. |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | ? | Yes | No | ? | ? | ? |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | ? | ? | Yes | No | ? | No | ? |
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/TrackDefault/TrackDefault