The MediaStream()
constructor returns a newly-created MediaStream
, which serves as a collection of media tracks, each represented by a MediaStreamTrack
object. If any parameters are given, the specified tracks are added to the new stream. Otherwise, the stream has no tracks.
Syntax
newStream = new MediaStream(); newStream = new MediaStream(stream); newStream = new MediaStream(tracks[]);
Parameters
stream
- A different
MediaStream
object whose tracks are added to the newly-created stream automatically. The tracks are not removed from the original stream, so they're shared by the two streams. tracks
- An
Array
ofMediaStreamTrack
objects, one for each track to add to the stream.
Return value
A newly-created MediaStream
object, either empty, or containing the tracks provided, if any.
Specifications
Specification | Status | Comment |
---|---|---|
Media Capture and Streams The definition of 'MediaStream' in that specification. |
Candidate Recommendation |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MediaStream() constructor | Chrome Full support 21 | Edge Full support ≤18 | Firefox Full support 44 | IE No support No | Opera Full support 42 | Safari No support No | WebView Android Full support 37 | Chrome Android Full support 25 | Firefox Android Full support 42 | Opera Android No support No | Safari iOS No support No | Samsung Internet Android Full support 6.0 |
Legend
- Full support
- Full support
- No support
- No support