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.

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);
    },
  );
}