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https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
Bug 834513 - Part 4: Add tests for ScriptProcessorNode, and also test AudioBufferSourceNode using it; r=roc
This commit is contained in:
Ehsan Akhgari
parent
e6ef206ecb
commit
5dc9f3b37e
@ -22,6 +22,7 @@ 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_audioBufferSourceNode.html \
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test_badConnect.html \
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test_biquadFilterNode.html \
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test_currentTime.html \
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@ -30,6 +31,7 @@ MOCHITEST_FILES := \
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test_dynamicsCompressorNode.html \
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test_gainNode.html \
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test_pannerNode.html \
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test_scriptProcessorNode.html \
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test_singleSourceDest.html \
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ting.ogg \
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ting-expected.wav \
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52
content/media/webaudio/test/test_audioBufferSourceNode.html
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52
content/media/webaudio/test/test_audioBufferSourceNode.html
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@ -0,0 +1,52 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test AudioBufferSourceNode</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 buffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
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}
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var source = context.createBufferSource();
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source.buffer = buffer;
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var sp = context.createScriptProcessor(2048);
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source.start(0);
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source.connect(sp);
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sp.connect(context.destination);
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sp.onaudioprocess = function(e) {
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compareBuffers(e.inputBuffer.getChannelData(0), buffer.getChannelData(0));
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compareBuffers(e.inputBuffer.getChannelData(1), buffer.getChannelData(0));
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// On the next iteration, we'll get a silence buffer
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sp.onaudioprocess = function(e) {
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var emptyBuffer = context.createBuffer(1, 2048, context.sampleRate);
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compareBuffers(e.inputBuffer.getChannelData(0), emptyBuffer.getChannelData(0));
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compareBuffers(e.inputBuffer.getChannelData(1), emptyBuffer.getChannelData(0));
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sp.onaudioprocess = null;
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sp.disconnect(context.destination);
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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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});
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</script>
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</pre>
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</body>
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</html>
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139
content/media/webaudio/test/test_scriptProcessorNode.html
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139
content/media/webaudio/test/test_scriptProcessorNode.html
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@ -0,0 +1,139 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test ScriptProcessorNode</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 buffer = null;
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var sourceSP = context.createJavaScriptNode(2048);
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sourceSP.addEventListener("audioprocess", function(e) {
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// generate the audio
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for (var i = 0; i < 2048; ++i) {
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// Make sure our first sample won't be zero
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e.outputBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * (i + 1) / context.sampleRate);
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e.outputBuffer.getChannelData(0)[i] = Math.sin(880 * 2 * Math.PI * (i + 1) / context.sampleRate);
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}
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// Remember our generated audio
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buffer = e.outputBuffer;
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sourceSP.removeEventListener("audioprocess", arguments.callee);
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}, false);
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expectException(function() {
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context.createScriptProcessor(1);
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}, DOMException.INDEX_SIZE_ERR);
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expectException(function() {
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context.createScriptProcessor(2);
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}, DOMException.INDEX_SIZE_ERR);
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expectException(function() {
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context.createScriptProcessor(128);
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}, DOMException.INDEX_SIZE_ERR);
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expectException(function() {
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context.createScriptProcessor(255);
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}, DOMException.INDEX_SIZE_ERR);
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function findFirstNonZeroSample(buffer) {
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for (var i = 0; i < buffer.length; ++i) {
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if (buffer.getChannelData(0)[i] != 0) {
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return i;
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}
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}
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return buffer.length;
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}
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var sp = context.createScriptProcessor(2048);
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sourceSP.connect(sp);
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sp.connect(context.destination);
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var lastPlaybackTime = 0;
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sp.onaudioprocess = function(e) {
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isnot(buffer, null, "The audioprocess handler for sourceSP must be run at this point");
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is(e.target, sp, "Correct event target");
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ok(e.playbackTime > lastPlaybackTime, "playbackTime correctly set");
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lastPlaybackTime = e.playbackTime;
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is(e.inputBuffer.numberOfChannels, 2, "Correct number of channels for the input buffer");
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is(e.inputBuffer.length, 2048, "Correct length for the input buffer");
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is(e.inputBuffer.sampleRate, context.sampleRate, "Correct sample rate for the input buffer");
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is(e.outputBuffer.numberOfChannels, 2, "Correct number of channels for the output buffer");
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is(e.outputBuffer.length, 2048, "Correct length for the output buffer");
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is(e.outputBuffer.sampleRate, context.sampleRate, "Correct sample rate for the output buffer");
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// Because of the initial latency added by the second script processor node,
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// we will never see any generated audio frames in the first callback.
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var emptyBuffer = context.createBuffer(1, 2048, context.sampleRate);
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compareBuffers(e.inputBuffer.getChannelData(0), emptyBuffer.getChannelData(0));
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compareBuffers(e.inputBuffer.getChannelData(1), emptyBuffer.getChannelData(0));
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compareBuffers(e.outputBuffer.getChannelData(0), emptyBuffer.getChannelData(0));
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compareBuffers(e.outputBuffer.getChannelData(1), emptyBuffer.getChannelData(0));
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sp.onaudioprocess = function(e) {
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is(e.target, sp, "Correct event target");
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ok(e.playbackTime > lastPlaybackTime, "playbackTime correctly set");
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lastPlaybackTime = e.playbackTime;
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is(e.inputBuffer.numberOfChannels, 2, "Correct number of channels for the input buffer");
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is(e.inputBuffer.length, 2048, "Correct length for the input buffer");
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is(e.inputBuffer.sampleRate, context.sampleRate, "Correct sample rate for the input buffer");
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is(e.outputBuffer.numberOfChannels, 2, "Correct number of channels for the output buffer");
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is(e.outputBuffer.length, 2048, "Correct length for the output buffer");
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is(e.outputBuffer.sampleRate, context.sampleRate, "Correct sample rate for the output buffer");
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var firstNonZero = findFirstNonZeroSample(e.inputBuffer);
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compareBuffers(e.inputBuffer.getChannelData(0), emptyBuffer.getChannelData(0), 0, Math.min(firstNonZero, 2048));
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compareBuffers(e.inputBuffer.getChannelData(1), emptyBuffer.getChannelData(0), 0, Math.min(firstNonZero, 2048));
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compareBuffers(e.inputBuffer.getChannelData(0), buffer.getChannelData(0), Math.min(firstNonZero, 2048), 2048 - firstNonZero, 0, -firstNonZero);
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compareBuffers(e.inputBuffer.getChannelData(1), buffer.getChannelData(1), Math.min(firstNonZero, 2048), 2048 - firstNonZero, 0, -firstNonZero);
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compareBuffers(e.outputBuffer.getChannelData(0), emptyBuffer.getChannelData(0));
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compareBuffers(e.outputBuffer.getChannelData(1), emptyBuffer.getChannelData(0));
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if (firstNonZero == 0) {
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// If we did not experience any delays, the test is done!
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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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} else if (firstNonZero != 2048) {
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// In case we just saw a zero buffer this time, wait one more round
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sp.onaudioprocess = function(e) {
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is(e.target, sp, "Correct event target");
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ok(e.playbackTime > lastPlaybackTime, "playbackTime correctly set");
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lastPlaybackTime = e.playbackTime;
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is(e.inputBuffer.numberOfChannels, 2, "Correct number of channels for the input buffer");
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is(e.inputBuffer.length, 2048, "Correct length for the input buffer");
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is(e.inputBuffer.sampleRate, context.sampleRate, "Correct sample rate for the input buffer");
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is(e.outputBuffer.numberOfChannels, 2, "Correct number of channels for the output buffer");
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is(e.outputBuffer.length, 2048, "Correct length for the output buffer");
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is(e.outputBuffer.sampleRate, context.sampleRate, "Correct sample rate for the output buffer");
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compareBuffers(e.inputBuffer.getChannelData(0), buffer.getChannelData(0), 0, firstNonZero, 0, 2048 - firstNonZero);
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compareBuffers(e.inputBuffer.getChannelData(1), buffer.getChannelData(1), 0, firstNonZero, 0, 2048 - firstNonZero);
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compareBuffers(e.inputBuffer.getChannelData(0), emptyBuffer.getChannelData(0), firstNonZero);
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compareBuffers(e.inputBuffer.getChannelData(1), emptyBuffer.getChannelData(0), firstNonZero);
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compareBuffers(e.outputBuffer.getChannelData(0), emptyBuffer.getChannelData(0));
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compareBuffers(e.outputBuffer.getChannelData(1), emptyBuffer.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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};
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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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@ -22,3 +22,38 @@ function expectTypeError(func) {
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}
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ok(threw, "The exception was thrown");
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}
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function fuzzyCompare(a, b) {
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return Math.abs(a - b) < 1e-5;
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}
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function compareBuffers(buf1, buf2,
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/*optional*/ offset,
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/*optional*/ length,
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/*optional*/ sourceOffset,
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/*optional*/ destOffset) {
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is(buf1.length, buf2.length, "Buffers must have the same length");
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if (length == undefined) {
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length = buf1.length - (offset || 0);
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}
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sourceOffset = sourceOffset || 0;
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destOffset = destOffset || 0;
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var difference = 0;
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var maxDifference = 0;
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var firstBadIndex = -1;
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for (var i = offset || 0; i < Math.min(buf1.length, (offset || 0) + length); ++i) {
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if (!fuzzyCompare(buf1[i + sourceOffset], buf2[i + destOffset])) {
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console.log(buf1[i+sourceOffset] + " " + buf2[i+destOffset]);
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difference++;
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maxDifference = Math.max(maxDifference, Math.abs(buf1[i + sourceOffset] - buf2[i + destOffset]));
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if (firstBadIndex == -1) {
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firstBadIndex = i;
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}
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}
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};
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is(difference, 0, "Found " + difference + " different samples, maxDifference: " +
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maxDifference + ", first bad index: " + firstBadIndex +
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" with source offset " + sourceOffset + " and desitnation offset " +
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destOffset);
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}
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