TrackDefault.TrackDefault()

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  1. Syntax
  2. Example
  3. Specifications
  4. Browser compatibility
  5. See also

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.

Syntax

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.		 Recommendation Initial definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? No support ? ? ?
Feature Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ?

No support

 No support ? ? No support

See also

Document Tags and Contributors

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