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WorkerNavigator: mediaCapabilities プロパティ - Web API | MDN
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WorkerNavigator: 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 2022年3月.
読み取り専用プロパティ WorkerNavigator.mediaCapabilities は、Media Capabilities API における定義に沿って、指定の形式のデコードやエンコードの能力、および出力の能力に関する情報へのアクセスを可能にする MediaCapabilities オブジェクトを返します。
値
MediaCapabilities オブジェクトです。
例
js
navigator.mediaCapabilities
.decodingInfo({
type: "file",
audio: {
contentType: "audio/mp3",
channels: 2,
bitrate: 132700,
samplerate: 5200,
},
})
.then((result) => {
console.log(`この構成に対応していま${result.supported ? "す" : "せん"}。`);
console.log(`スムーズ${result.smooth ? "" : "じゃない"}です。`);
console.log(`電力効率がよ${result.powerEfficient ? "" : "くな"}いです。`);
});
仕様書
| Specification |
|---|
| Media Capabilities # dom-workernavigator-mediacapabilities |
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