The MediaRecorder.state
read-only property returns the mime type that was selected as the recording container when it was created.
Syntax
var mimeType = MediaRecorder.mimeType
Values
A DOMString
.
Example
...
navigator.getUserMedia = (navigator.getUserMedia ||
navigator.mozGetUserMedia ||
navigator.msGetUserMedia ||
navigator.webkitGetUserMedia);
if (navigator.getUserMedia) {
console.log('getUserMedia supported.');
var constraints = { audio: true, video: true };
var chunks = [];
var onSuccess = function(stream) {
var options = {
audioBitsPerSecond : 128000,
videoBitsPerSecond : 2500000,
mimeType : 'video/mp4'
}
var mediaRecorder = new MediaRecorder(stream,options);
m = mediaRecorder;
m.mimeType; // would return 'video/mp4'
...
Specifications
Specification | Status | Comment |
---|---|---|
MediaStream Recording The definition of 'MediaRecorder.mimeType' 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
Document Tags and Contributors
Tags:
Contributors to this page:
jpmedley,
chrisdavidmills
Last updated by:
jpmedley,