Navigator.mediaCapabilities

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Navigator.mediaCapabilities read-only property returns a MediaCapabilities object that can expose information about the decoding and encoding capabilities for a given format and output capabilities as defined by the Media Capabilities API.

Syntax

mediaCapabilitiesObj = globalObj.navigator.mediaCapabilities

Value

A MediaCapabilities object.

Examples

navigator.mediaCapabilities.decodingInfo({
    type : 'file',
    audio : {
        contentType : "audio/mp3",
        channels : 2,
        bitrate : 132700,
        samplerate : 5200
    }
}).then(function(result) {
  console.log('This configuration is ' +
        (result.supported ? '' : 'not ') + 'supported, ' +
        (result.smooth ? '' : 'not ') + 'smooth, and ' +
        (result.powerEfficient ? '' : 'not ') + 'power efficient.')
});

Specifications

Specification Status Comment
Media Capabilities Draft Initial definition

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
mediaCapabilities
Experimental
Chrome Full support 66Edge Full support 79Firefox Full support 63IE No support NoOpera Full support 55Safari No support NoWebView Android Full support 66Chrome Android Full support 66Firefox Android Full support 63Opera Android Full support 48Safari iOS No support NoSamsung Internet Android Full support 9.0

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 also