Navigator: mediaCapabilities プロパティ

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.

Navigator.mediaCapabilities プロパティは読み取り専用で、メディア能力 API で定義されています。 指定された形式のエンコードとデコードおよび出力能力についての情報が取得できる MediaCapabilities オブジェクトを返します。

MediaCapabilities オブジェクト。

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.`);
  });

仕様書

Specification
Media Capabilities
# dom-navigator-mediacapabilities

ブラウザーの互換性

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
mediaCapabilities

Legend

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

Full support
Full support
No support
No support

関連情報