62 lines
1.6 KiB
HTML
62 lines
1.6 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>audio-playback-restriction</title>
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<script src=media-file.js></script>
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<script src=video-test.js></script>
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<script>
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let audioTrack = null;
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function runTest()
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{
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video = document.getElementsByTagName('audio')[0];
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if (window.internals)
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run(`internals.setMediaElementRestrictions(video, 'RequireUserGestureForAudioRateChange')`);
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waitForEventAndFail('error');
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waitForEvent('canplaythrough', canplaythrough);
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run(`video.src = findMediaFile('video', 'content/audio-tracks')`);
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}
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function canplaythrough()
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{
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waitForEvent('playing', playing);
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video.audioTracks.addEventListener('change', setMuted, true);
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run('video.play()');
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}
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function playing()
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{
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for (let i = 0; i < video.audioTracks.length; i++) {
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if (video.audioTracks[i].enabled)
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continue;
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audioTrack = video.audioTracks[i];
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break;
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}
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if (audioTrack === null)
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failTest('Failed to find disabled audio track!');
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runWithKeyDown('audioTrack.enabled = true');
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}
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function setMuted()
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{
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waitForEventAndFail('pause');
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video.audioTracks.removeEventListener('change', setMuted, true);
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run('video.muted = false');
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setTimeout(endTest, 250);
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}
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</script>
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</head>
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<body onload='runTest()'>
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<p>Test that when RequireUserGestureForAudioRateChange is set, enabling an audio track with a user gesture clears the restriction.</p>
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<audio muted controls></audio>
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</body>
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</html>
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