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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export default async function hasAudio(media: HTMLMediaElement) {
const cloned = media.cloneNode() as HTMLMediaElement;
cloned.muted = (cloned as typeof cloned & Partial<HTMLVideoElement>).playsInline = true;
cloned.play();
await new Promise((resolve) => cloned.addEventListener('playing', resolve));
const result = !!(cloned as any).audioTracks?.length || (cloned as any).mozHasAudio || !!(cloned as any).webkitAudioDecodedByteCount;
cloned.remove();
return result;
}
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