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29f6ba6310
* chore: add workflow which checks if SPDX ID exists * chore: add missing SPDX ID in some files * chore: change trigger condition * chore: trigger on push * lint
14 lines
580 B
TypeScript
14 lines
580 B
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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export default async function hasAudio(media: HTMLMediaElement) {
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const cloned = media.cloneNode() as HTMLMediaElement;
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cloned.muted = (cloned as typeof cloned & Partial<HTMLVideoElement>).playsInline = true;
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cloned.play();
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await new Promise((resolve) => cloned.addEventListener('playing', resolve));
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const result = !!(cloned as any).audioTracks?.length || (cloned as any).mozHasAudio || !!(cloned as any).webkitAudioDecodedByteCount;
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cloned.remove();
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return result;
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}
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