--- /dev/null
+Tests JavaScriptAudioNode.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+PASS Exception was thrown for illegal numberOfOutputChannels.
+PASS Exception was thrown for illegal bufferSize.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 256.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 512.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 1024.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 2048.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 4096.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 8192.
+PASS Successfully created JavaScriptAudioNode with bufferSize = 16384.
+PASS onaudioprocess was called with correct data.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
--- /dev/null
+<!DOCTYPE html>
+
+<html>
+<head>
+<script src="../fast/js/resources/js-test-pre.js"></script>
+<script type="text/javascript" src="resources/audio-testing.js"></script>
+</head>
+
+<body>
+
+<div id="description"></div>
+<div id="console"></div>
+
+<script>
+description("Tests JavaScriptAudioNode.");
+
+var sampleRate = 44100.0;
+var outputChannels = 6;
+
+// For the current implementation of JavaScriptAudioNode, when it works with OfflineAudioContext (which runs much faster
+// than real-time) the event.inputBuffer might be overwrite again before onaudioprocess ever get chance to be called.
+// We carefully arrange the renderLengthInFrames and bufferSize to have exactly the same value to avoid this issue.
+var renderLengthInFrames = 512;
+var bufferSize = 512;
+
+var context;
+
+function createBuffer(context, length) {
+ var audioBuffer = context.createBuffer(2, length, sampleRate);
+ var n = audioBuffer.length;
+ var dataL = audioBuffer.getChannelData(0);
+ var dataR = audioBuffer.getChannelData(1);
+
+ for (var i = 0; i < n; ++i) {
+ dataL[i] = -1;
+ dataR[i] = 1;
+ }
+
+ return audioBuffer;
+}
+
+function processAudioData(event) {
+ buffer = event.outputBuffer;
+ if (buffer.numberOfChannels != outputChannels)
+ testFailed("numberOfOutputChannels doesn't match!");
+
+ if (buffer.length != bufferSize)
+ testFailed("numberOfOutputChannels doesn't match!");
+
+ buffer = event.inputBuffer;
+ var bufferDataL = buffer.getChannelData(0);
+ var bufferDataR = buffer.getChannelData(1);
+
+ var success = true;
+ // Go through every sample and make sure it's all -1 for the left-channel, and all +1 for the right-channel.
+ for (var i = 0; i < buffer.length; ++i) {
+ if (bufferDataL[i] != -1 || bufferDataR[i] != 1) {
+ success = false;
+ break;
+ }
+ }
+
+ if (success) {
+ testPassed("onaudioprocess was called with correct data.");
+ } else {
+ testFailed("onaudioprocess was called with wrong data.");
+ }
+}
+
+function doBufferSizeTest(size) {
+ try {
+ var jsnode = context.createJavaScriptNode(size, 1, 1);
+ testPassed("Successfully created JavaScriptAudioNode with bufferSize = " + size + ".");
+ } catch(e) {
+ testFailed("Failed to create JavaScriptAudioNode with bufferSize = " + size + ".");
+ }
+}
+
+function runTest() {
+ if (window.layoutTestController) {
+ layoutTestController.dumpAsText();
+ layoutTestController.waitUntilDone();
+ }
+
+ window.jsTestIsAsync = true;
+
+ // Create offline audio context.
+ context = new webkitAudioContext(2, renderLengthInFrames, sampleRate);
+
+ try {
+ var jsnode = context.createJavaScriptNode(512, 1, 0);
+ testFailed("Exception should be thrown for illegal numberOfOutputChannels.");
+ } catch(e) {
+ testPassed("Exception was thrown for illegal numberOfOutputChannels.");
+ }
+
+ try {
+ var jsnode = context.createJavaScriptNode(511, 1, 1);
+ testFailed("Exception should be thrown for illegal bufferSize.");
+ } catch(e) {
+ testPassed("Exception was thrown for illegal bufferSize.");
+ }
+
+ doBufferSizeTest(256);
+ doBufferSizeTest(512);
+ doBufferSizeTest(1024);
+ doBufferSizeTest(2048);
+ doBufferSizeTest(4096);
+ doBufferSizeTest(8192);
+ doBufferSizeTest(16384);
+
+ var sourceBuffer = createBuffer(context, renderLengthInFrames);
+
+ var bufferSource = context.createBufferSource();
+ bufferSource.buffer = sourceBuffer;
+
+ var jsnode = context.createJavaScriptNode(bufferSize, 2, outputChannels);
+
+ bufferSource.connect(jsnode);
+ jsnode.connect(context.destination);
+ jsnode.onaudioprocess = processAudioData;
+
+ bufferSource.noteOn(0);
+ context.oncomplete = finishJSTest;
+ context.startRendering();
+}
+
+runTest();
+
+</script>
+
+<script src="../fast/js/resources/js-test-post.js"></script>
+</body>
+</html>
projects / profile / ivi / webkit-efl.git / commitdiff