WorkerNavigator: mediaCapabilities property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

Note: This feature is only available in Web Workers.

The read-only mediaCapabilities property of the WorkerNavigator interface references 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).

Value

Examples

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

Specifications

Specification
Media Capabilities
# dom-workernavigator-mediacapabilities

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
mediaCapabilities

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also