MediaRecorder: stream property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.

See full compatibility

The stream read-only property of the MediaRecorder interface returns the stream that was passed into the MediaRecorder() constructor when the MediaRecorder was created.

Value

The MediaStream passed into the MediaRecorder() constructor when the MediaRecorder was originally created.

Examples

if (navigator.getUserMedia) {
  console.log("getUserMedia supported.");
  navigator.getUserMedia(
    // constraints - only audio needed for this app
    {
      audio: true,
    },

    // Success callback
    (stream) => {
      const mediaRecorder = new MediaRecorder(stream);

      const myStream = mediaRecorder.stream;
      console.log(myStream);
    },
  );
}

Specifications

Specification
MediaStream Recording # dom-mediarecorder-stream

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`stream`	Chrome – Partial support Chrome 47 – 48 (Release date: 2015-12-01) footnote Partial support footnote Before Chrome 49, only video is supported, not audio. Chrome – Full support Chrome 49 (Release date: 2016-03-02) footnote Full support	Edge – Full support Edge 79 (Release date: 2020-01-15) footnote Full support	Firefox – Full support Firefox 25 (Release date: 2013-10-29) footnote Full support	Opera – Full support Opera 36 (Release date: 2016-03-15) footnote Full support	Safari – Full support Safari 14.1 (Release date: 2021-04-26) footnote Full support	Chrome Android – Partial support Chrome Android 47 – 48 (Release date: 2015-12-02) footnote Partial support footnote Before Chrome Android 49, only video is supported, not audio. Chrome Android – Full support Chrome Android 49 (Release date: 2016-03-09) footnote Full support	Firefox for Android – Full support Firefox for Android 25 (Release date: 2013-10-29) footnote Full support	Opera Android – Full support Opera Android 36 (Release date: 2016-03-31) footnote Full support	Safari on iOS – Full support Safari on iOS 14 (Release date: 2020-09-16) footnote Full support	Samsung Internet – Full support Samsung Internet 5 (Release date: 2016-12-15) footnote Full support	WebView Android – Full support WebView Android 49 (Release date: 2016-03-09) footnote Full support	WebView on iOS – Full support WebView on iOS 14 (Release date: 2020-09-16) footnote Full support

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Full support: Full support
Partial support: Partial support
: Has more compatibility info.

MediaRecorder: stream property

Value

Examples

Specifications

Browser compatibility

Legend

See also