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Viewing changes to Tools/TestWebKitAPI/Tests/WebKit/getUserMedia-webaudio.html

  • Committer: mmach
  • Date: 2023-06-16 17:21:37 UTC
  • Revision ID: netbit73@gmail.com-20230616172137-2rqx6yr96ga9g3kp
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Tools/TestWebKitAPI/Tests/WebKit/getUserMedia-webaudio.html
 
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<!DOCTYPE html>
 
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<html>
 
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    <head>
 
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        <script>
 
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async function capture()
 
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{
 
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    try {
 
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        const stream = await navigator.mediaDevices.getUserMedia({ audio: true, video: false });
 
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        internals.setMockAudioTrackChannelNumber(stream.getAudioTracks()[0], 2);
 
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        var audioContext = new webkitAudioContext();
 
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        var analyzer = audioContext.createAnalyser();
 
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        analyzer.fftSize = 256;
 
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        let source = audioContext.createMediaStreamSource(stream);
 
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        source.connect(analyzer);
 
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        analyzer.connect(audioContext.destination);
 
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        for (let cptr = 0; cptr < 1000; cptr++) {
 
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          internals.setMockAudioTrackChannelNumber(stream.getAudioTracks()[0], (cptr % 2) ? 1 : 2);
 
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          await new Promise(resolve => setTimeout(resolve, 20));
 
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        }
 
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        source.disconnect(analyzer);
 
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        analyzer.disconnect(audioContext.destination);
 
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        window.webkit.messageHandlers.gum.postMessage("PASS");
 
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    } catch (e) {
 
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        window.webkit.messageHandlers.gum.postMessage("FAIL: " + e);
 
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    }
 
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}
 
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        </script>
 
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    <head>
 
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    <body onload="capture()">
 
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    </body>
 
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</html>