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58 lines
1.5 KiB
HTML
58 lines
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<meta charset="utf-8">
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<head>
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<title>Test MediaStreamAudioSourceNode doesn't get data from cross-origin media resources</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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var audio = new Audio("http://example.org:80/tests/dom/media/webaudio/test/small-shot.ogg");
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var context = new AudioContext();
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var node = context.createMediaStreamSource(audio.mozCaptureStreamUntilEnded());
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var sp = context.createScriptProcessor(2048, 1);
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node.connect(sp);
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var nonzeroSampleCount = 0;
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var complete = false;
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var iterationCount = 0;
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// This test ensures we receive at least expectedSampleCount nonzero samples
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function processSamples(e) {
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if (complete) {
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return;
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}
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if (iterationCount == 0) {
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// Don't start playing the audio until the AudioContext stuff is connected
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// and running.
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audio.play();
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}
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++iterationCount;
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var buf = e.inputBuffer.getChannelData(0);
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var nonzeroSamplesThisBuffer = 0;
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for (var i = 0; i < buf.length; ++i) {
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if (buf[i] != 0) {
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++nonzeroSamplesThisBuffer;
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}
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}
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is(nonzeroSamplesThisBuffer, 0,
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"Checking all samples are zero");
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if (iterationCount >= 20) {
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SimpleTest.finish();
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complete = true;
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}
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}
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audio.oncanplaythrough = function() {
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sp.onaudioprocess = processSamples;
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};
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</script>
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</pre>
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</body>
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</html>
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