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-rw-r--r-- | dom/media/webaudio/test/test_audioBufferSourceNodeLoop.html | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_audioBufferSourceNodeLoop.html b/dom/media/webaudio/test/test_audioBufferSourceNodeLoop.html new file mode 100644 index 0000000000..10d5d99108 --- /dev/null +++ b/dom/media/webaudio/test/test_audioBufferSourceNodeLoop.html @@ -0,0 +1,45 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test AudioBufferSourceNode looping</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/javascript" src="webaudio.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +var gTest = { + length: 2048 * 4, + numberOfChannels: 1, + createGraph(context) { + var buffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); + } + + var source = context.createBufferSource(); + source.buffer = buffer; + + source.start(0); + source.loop = true; + return source; + }, + createExpectedBuffers(context) { + var expectedBuffer = context.createBuffer(1, 2048 * 4, context.sampleRate); + for (var i = 0; i < 4; ++i) { + for (var j = 0; j < 2048; ++j) { + expectedBuffer.getChannelData(0)[i * 2048 + j] = Math.sin(440 * 2 * Math.PI * j / context.sampleRate); + } + } + return expectedBuffer; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |