The MediaRecorder.stream read-only property returns the stream that was passed into the MediaRecorder() constructor when the MediaRecorder was created.
Syntax
var stream = MediaRecorder.stream
Values
The MediaStream passed into the MediaRecorder() constructor when the MediaRecorder was originally created.
Example
if (navigator.getUserMedia) {
   console.log('getUserMedia supported.');
   navigator.getUserMedia (
      // constraints - only audio needed for this app
      {
         audio: true
      },
      // Success callback
      function(stream) {
           var mediaRecorder = new MediaRecorder(stream);
           var myStream = mediaRecorder.stream;
           console.log(myStream);
...
Specifications
| Specification | Status | Comment | 
|---|---|---|
| MediaStream Recording The definition of 'MediaRecorder.stream' in that specification. | Working Draft | Initial definition | 
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) | 
|---|---|---|---|---|---|
| Basic support | 47[2] | 25.0 (25.0) | Not supported | Not supported | Not supported | 
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile | Chrome for Android | 
|---|---|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | 25.0 (25.0) | 1.3[1] | Not supported | Not supported | Not supported | Not supported | 
[1] The intial Firefox OS implementation only supported audio recording.
[2] To try this feature on Chrome, enable Experimental Web Platform features from chrome://flags . Currently only video is supported, not audio.
See also
- Using the MediaRecorder API
- Web Dictaphone: MediaRecorder + getUserMedia + Web Audio API visualization demo, by Chris Mills (source on Github.)
- simpl.info MediaStream Recording demo, by Sam Dutton.
- Navigator.getUserMedia