Created
August 15, 2021 21:18
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Detect if video has audio, using javascript
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function hasAudio(video) { | |
return ( | |
video.mozHasAudio || | |
Boolean(video.webkitAudioDecodedByteCount) || | |
Boolean(video.audioTracks?.length) | |
); | |
} | |
function hasVideoGotAudio(src) { | |
const video = document.createElement('video'); | |
video.muted = true; | |
video.crossOrigin = 'anonymous'; | |
video.preload = 'auto'; | |
return new Promise((resolve, reject) => { | |
video.addEventListener('error', reject); | |
video.addEventListener( | |
'canplay', | |
() => { | |
video.currentTime = 0.99; | |
}, | |
{ once: true } // Important because 'canplay' can be fired hundreds of times. | |
); | |
video.addEventListener('seeked', () => resolve(hasAudio(video)), { | |
once: true, | |
}); | |
video.src = src; | |
}); | |
} | |
export default hasVideoGotAudio; |
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