зеркало из https://github.com/mozilla/gecko-dev.git
Bug 867876 - Add some tests for the AudioParam automation events; r=roc
This commit is contained in:
Ehsan Akhgari
Родитель
0b04bc6414
Коммит
3f9bd50fa8
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@ -26,6 +26,8 @@ MOCHITEST_FILES := \
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test_AudioContext.html \
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test_AudioListener.html \
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test_AudioParam.html \
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test_audioParamExponentialRamp.html \
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test_audioParamLinearRamp.html \
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test_audioBufferSourceNode.html \
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test_audioBufferSourceNodeLazyLoopParam.html \
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test_audioBufferSourceNodeLoop.html \
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@ -0,0 +1,63 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test AudioParam.exponentialRampToValue</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="webaudio.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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addLoadEvent(function() {
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SpecialPowers.setBoolPref("media.webaudio.enabled", true);
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var context = new AudioContext();
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var V0 = 0.1;
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var V1 = 0.9;
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var T0 = 0;
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var T1 = 2048 / context.sampleRate;
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var sourceBuffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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sourceBuffer.getChannelData(0)[i] = 1;
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}
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var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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var t = i / context.sampleRate;
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expectedBuffer.getChannelData(0)[i] = V0 * Math.pow(V1 / V0, (t - T0) / (T1 - T0));
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}
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var destination = context.destination;
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var source = context.createBufferSource();
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source.buffer = sourceBuffer;
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var gain = context.createGain();
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gain.gain.setValueAtTime(V0, 0);
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gain.gain.exponentialRampToValueAtTime(V1, 2048/context.sampleRate);
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var sp = context.createScriptProcessor(2048, 1);
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source.connect(gain);
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gain.connect(sp);
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sp.connect(destination);
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source.start(0);
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sp.onaudioprocess = function(e) {
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is(e.inputBuffer.numberOfChannels, 1, "Correct input channel count");
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compareBuffers(e.inputBuffer.getChannelData(0), expectedBuffer.getChannelData(0));
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sp.onaudioprocess = null;
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SpecialPowers.clearUserPref("media.webaudio.enabled");
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SimpleTest.finish();
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};
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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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@ -0,0 +1,63 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test AudioParam.linearRampToValue</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="webaudio.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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addLoadEvent(function() {
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SpecialPowers.setBoolPref("media.webaudio.enabled", true);
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var context = new AudioContext();
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var V0 = 0.1;
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var V1 = 0.9;
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var T0 = 0;
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var T1 = 2048 / context.sampleRate;
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var sourceBuffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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sourceBuffer.getChannelData(0)[i] = 1;
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}
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var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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var t = i / context.sampleRate;
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expectedBuffer.getChannelData(0)[i] = V0 + (V1 - V0) * ((t - T0) / (T1 - T0));
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}
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var destination = context.destination;
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var source = context.createBufferSource();
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source.buffer = sourceBuffer;
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var gain = context.createGain();
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gain.gain.setValueAtTime(V0, 0);
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gain.gain.linearRampToValueAtTime(V1, 2048/context.sampleRate);
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var sp = context.createScriptProcessor(2048, 1);
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source.connect(gain);
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gain.connect(sp);
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sp.connect(destination);
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source.start(0);
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sp.onaudioprocess = function(e) {
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is(e.inputBuffer.numberOfChannels, 1, "Correct input channel count");
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compareBuffers(e.inputBuffer.getChannelData(0), expectedBuffer.getChannelData(0));
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sp.onaudioprocess = null;
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SpecialPowers.clearUserPref("media.webaudio.enabled");
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SimpleTest.finish();
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};
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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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@ -24,7 +24,7 @@ function expectTypeError(func) {
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}
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function fuzzyCompare(a, b) {
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return Math.abs(a - b) < 5e-5;
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return Math.abs(a - b) < 9e-3;
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}
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function compareBuffers(buf1, buf2,
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