MediaRecorder.onstop

The MediaRecorder.onstop event handler (part of the MediaRecorder API) handles the stop event, allowing you to run code in response to media recording via a MediaRecorder being stopped.

The stop event is thrown either as a result of the MediaRecorder.stop() method being invoked, or when the media stream being captured ends. In each case, the stop event is preceded by a dataavailable event, making the Blob captured up to that point available for you to use in your application.

Syntax

MediaRecorder.onstop = function(event) { ... }
MediaRecorder.addEventListener('stop', function(event) { ... })

Example

...

  mediaRecorder.onstop = function(e) {
    console.log("data available after MediaRecorder.stop() called.");

    var audio = document.createElement('audio');
    audio.controls = true;
    var blob = new Blob(chunks, { 'type' : 'audio/ogg; codecs=opus' });
    var audioURL = window.URL.createObjectURL(blob);
    audio.src = audioURL;
    console.log("recorder stopped");
  }

  mediaRecorder.ondataavailable = function(e) {
    chunks.push(e.data);
  }

...

Specifications

Specification Status Comment
MediaStream Recording
The definition of 'MediaRecorder.onstop' in that specification.
Working Draft Initial definition

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support 47
Disabled
Full support 47
Disabled
Disabled From version 47: this feature is behind the Experimental Web Platform features preference (needs to be set to Enabled). To change preferences in Chrome, visit chrome://flags.
Edge ? Firefox Full support 25IE ? Opera ? Safari ? WebView Android ? Chrome Android ? Edge Mobile ? Firefox Android Full support 25Opera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

Document Tags and Contributors

Contributors to this page: lucian95, jpmedley, Sebastianz, chrisdavidmills, teoli, kscarfone
Last updated by: lucian95,