This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The MediaSource()
constructor of the MediaSource
interface constructs and returns a new MediaSource
object with no associated source buffers.
Syntax
var mediaSource = new MediaSource();
Parameters
None.
Example
The following snippet is taken from a simple example written by Nick Desaulniers (view the full demo live, or download the source for further investigation.)
var video = document.querySelector('video'); var assetURL = 'frag_bunny.mp4'; // Need to be specific for Blink regarding codecs // ./mp4info frag_bunny.mp4 | grep Codec var mimeCodec = 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"'; if ('MediaSource' in window && MediaSource.isTypeSupported(mimeCodec)) { var mediaSource = new MediaSource; //console.log(mediaSource.readyState); // closed video.src = URL.createObjectURL(mediaSource); mediaSource.addEventListener('sourceopen', sourceOpen); } else { console.error('Unsupported MIME type or codec: ', mimeCodec); } ...
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MediaSource() constructor | Chrome
Full support
31
| Edge Full support 12 | Firefox
Full support
42
| IE
Full support
11
| Opera Full support 15 | Safari Full support 8 | WebView Android Full support 4.4.3 | Chrome Android Full support 33 | Firefox Android Full support 41 | Opera Android Full support 14 | Safari iOS No support No | Samsung Internet Android Full support 2.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.
- Requires a vendor prefix or different name for use.
- Requires a vendor prefix or different name for use.