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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/media/webaudio/test/test_convolverNode_mono_mono.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/webaudio/test/test_convolverNode_mono_mono.html')
| -rw-r--r-- | dom/media/webaudio/test/test_convolverNode_mono_mono.html | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_convolverNode_mono_mono.html b/dom/media/webaudio/test/test_convolverNode_mono_mono.html new file mode 100644 index 000000000..f7da2b020 --- /dev/null +++ b/dom/media/webaudio/test/test_convolverNode_mono_mono.html @@ -0,0 +1,73 @@ +<!DOCTYPE html> + +<html> +<head> +<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> +<script type="text/javascript" src="webaudio.js"></script> +<script type="text/javascript" src="layouttest-glue.js"></script> +<script type="text/javascript" src="blink/audio-testing.js"></script> +<script type="text/javascript" src="blink/convolution-testing.js"></script> +<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> + +<body> + +<div id="description"></div> +<div id="console"></div> + +<script> +description("Tests ConvolverNode processing a mono channel with mono impulse response."); +SimpleTest.waitForExplicitFinish(); + +// To test the convolver, we convolve two square pulses together to +// produce a triangular pulse. To verify the result is correct we +// check several parts of the result. First, we make sure the initial +// part of the result is zero (due to the latency in the convolver). +// Next, the triangular pulse should match the theoretical result to +// within some roundoff. After the triangular pulse, the result +// should be exactly zero, but round-off prevents that. We make sure +// the part after the pulse is sufficiently close to zero. Finally, +// the result should be exactly zero because the inputs are exactly +// zero. +function runTest() { + if (window.testRunner) { + testRunner.dumpAsText(); + testRunner.waitUntilDone(); + } + + window.jsTestIsAsync = true; + + // Create offline audio context. + var context = new OfflineAudioContext(2, sampleRate * renderLengthSeconds, sampleRate); + + var squarePulse = createSquarePulseBuffer(context, pulseLengthFrames); + var trianglePulse = createTrianglePulseBuffer(context, 2 * pulseLengthFrames); + + var bufferSource = context.createBufferSource(); + bufferSource.buffer = squarePulse; + + var convolver = context.createConvolver(); + convolver.normalize = false; + convolver.buffer = squarePulse; + + bufferSource.connect(convolver); + convolver.connect(context.destination); + + bufferSource.start(0); + + context.oncomplete = checkConvolvedResult(trianglePulse); + context.startRendering(); +} + +function finishJSTest() { + SimpleTest.finish(); +} + +runTest(); +successfullyParsed = true; + +</script> + +<script src="../fast/js/resources/js-test-post.js"></script> +</body> +</html> |