Navigator:mediaCapabilities 属性

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 接口的 Navigator.mediaCapabilities 只读属性返回一个 MediaCapabilities 对象,该对象可以暴露有关给定格式的解码和编码能力以及由媒体能力 API 定义的输出能力的信息。

一个 MediaCapabilities 对象。

示例

js
navigator.mediaCapabilities
  .decodingInfo({
    type: "file",
    audio: {
      contentType: "audio/mp3",
      channels: 2,
      bitrate: 132700,
      samplerate: 5200,
    },
  })
  .then((result) => {
    console.log(`${result.supported ? "" : "不"}支持此配置,`);
    console.log(`${result.smooth ? "" : "不"}流畅,`);
    console.log(`${result.powerEfficient ? "" : "不"}节能。`);
  });

规范

Specification
Media Capabilities
# dom-navigator-mediacapabilities

浏览器兼容性

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

参见