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Backed out changeset b221626331b4 (bug 881959)

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This commit is contained in:
Ed Morley 2013-09-17 17:14:45 +01:00
parent 8c4903c766
commit f4ceaf273d
2 changed files with 0 additions and 171 deletions
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1
content/media/webaudio/test/Makefile.in
View File

@ -57,7 +57,6 @@ MOCHITEST_FILES := \
test_delayNodeAtMax.html \
test_delayNodeSmallMaxDelay.html \
test_delayNodeWithGain.html \
test_delayNodeCycles.html \
test_dynamicsCompressorNode.html \
test_gainNode.html \
test_gainNodeInLoop.html \

170
content/media/webaudio/test/test_delayNodeCycles.html
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@ -1,170 +0,0 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Test the support of cycles.</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script src="webaudio.js" type="text/javascript"></script>
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
function getSineBuffer(ctx) {
var buffer = ctx.createBuffer(1, 2048, ctx.sampleRate);
var b = buffer.getChannelData(0);
for (var i = 0; i < 2048; i++) {
b[i] = Math.sin(440 * 2 * Math.PI * i / ctx.sampleRate);
}
return buffer;
}
function createAndPlayWithCycleAndDelayNode(ctx) {
var source = ctx.createBufferSource();
source.loop = true;
source.buffer = getSineBuffer(ctx);
var gain = ctx.createGain();
var delay = ctx.createDelay();
delay.delayTime = 0.5;
source.connect(gain);
gain.connect(delay);
delay.connect(ctx.destination);
// cycle
delay.connect(gain);
source.start(0);
}
function createAndPlayWithCycleAndDelayNodeButNullDelayTime(ctx) {
var source = ctx.createBufferSource();
source.loop = true;
source.buffer = getSineBuffer(ctx);
var gain = ctx.createGain();
var delay = ctx.createDelay();
delay.delayTime = 0.0;
source.connect(gain);
gain.connect(delay);
delay.connect(ctx.destination);
// cycle
delay.connect(gain);
source.start(0);
}
function createAndPlayWithCycleAndNoDelayNode(ctx) {
var source = ctx.createBufferSource();
source.loop = true;
source.buffer = getSineBuffer(ctx);
var gain = ctx.createGain();
var gain2 = ctx.createGain();
source.connect(gain);
gain.connect(gain2);
// cycle
gain2.connect(gain);
gain2.connect(ctx.destination);
source.start(0);
}
function createAndPlayWithCycleAndNoDelayNodeInCycle(ctx) {
var source = ctx.createBufferSource();
source.loop = true;
source.buffer = getSineBuffer(ctx);
var delay = ctx.createDelay();
var gain = ctx.createGain();
var gain2 = ctx.createGain();
// Their is a cycle, a delay, but the delay is not in the cycle.
source.connect(delay);
delay.connect(gain);
gain.connect(gain2);
// cycle
gain2.connect(gain);
gain2.connect(ctx.destination);
source.start(0);
}
var remainingTests = 0;
function finish() {
if (--remainingTests == 0) {
SimpleTest.finish();
}
}
function getOfflineContext(oncomplete) {
var ctx = new OfflineAudioContext(1, 48000, 48000);
ctx.oncomplete = oncomplete;
return ctx;
}
function checkSilentBuffer(e) {
var buffer = e.renderedBuffer.getChannelData(0);
for (var i = 0; i < buffer.length; i++) {
if (buffer[i] != 0.0) {
ok(false, "buffer should be silent.");
finish();
return;
}
}
ok(true, "buffer should be silent.");
finish();
}
function checkNoisyBuffer(e) {
var buffer = e.renderedBuffer.getChannelData(0);
for (var i = 0; i < buffer.length; i++) {
if (buffer[i] != 0.0) {
ok(true, "buffer should be noisy.");
finish();
return true;
}
}
ok(false, "buffer should be noisy.");
finish();
return false;
}
function expectSilentOutput(f) {
remainingTests++;
var ctx = getOfflineContext(checkSilentBuffer);
f(ctx);
ctx.startRendering();
}
function expectNoisyOutput(f) {
remainingTests++;
var ctx = getOfflineContext(checkNoisyBuffer);
f(ctx);
ctx.startRendering();
}
// This is trying to make a graph with a cycle and no DelayNode in the graph.
// The cycle subgraph should be muted, in this graph the output should be silent.
expectSilentOutput(createAndPlayWithCycleAndNoDelayNode);
// This is trying to make a graph with a cycle and a DelayNode in the graph, but
// not part of the cycle.
// The cycle subgraph should be muted, in this graph the output should be silent.
expectSilentOutput(createAndPlayWithCycleAndNoDelayNodeInCycle);
// Those are making legal graphs, with at least one DelayNode in the cycle.
// There should be some non-silent output.
expectNoisyOutput(createAndPlayWithCycleAndDelayNode);
// DelayNode.delayTime will be clamped to 128/ctx.sampleRate.
// There should be some non-silent output.
expectNoisyOutput(createAndPlayWithCycleAndDelayNodeButNullDelayTime);
});
</script>
</pre>
</body>
</html>