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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webaudio/test/test_audioBufferSourceNodeLoopStartEnd.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/test/test_audioBufferSourceNodeLoopStartEnd.html')
| -rw-r--r-- | dom/media/webaudio/test/test_audioBufferSourceNodeLoopStartEnd.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_audioBufferSourceNodeLoopStartEnd.html b/dom/media/webaudio/test/test_audioBufferSourceNodeLoopStartEnd.html new file mode 100644 index 0000000000..1ef08e0b83 --- /dev/null +++ b/dom/media/webaudio/test/test_audioBufferSourceNodeLoopStartEnd.html @@ -0,0 +1,48 @@ +<!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 = new AudioBufferSourceNode(context, {buffer, loop: true, loopStart: buffer.duration * 0.25, loopEnd: buffer.duration * 0.75 }); + source.start(0); + return source; + }, + createExpectedBuffers(context) { + var expectedBuffer = context.createBuffer(1, 2048 * 4, context.sampleRate); + for (var i = 0; i < 1536; ++i) { + expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); + } + for (var i = 0; i < 6; ++i) { + for (var j = 512; j < 1536; ++j) { + expectedBuffer.getChannelData(0)[1536 + i * 1024 + j - 512] = Math.sin(440 * 2 * Math.PI * j / context.sampleRate); + } + } + for (var j = 7680; j < 2048 * 4; ++j) { + expectedBuffer.getChannelData(0)[j] = Math.sin(440 * 2 * Math.PI * (j - 7168) / context.sampleRate); + } + return expectedBuffer; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |