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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/media/webaudio/test/test_audioParamSetTargetAtTime.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/test/test_audioParamSetTargetAtTime.html')
| -rw-r--r-- | dom/media/webaudio/test/test_audioParamSetTargetAtTime.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_audioParamSetTargetAtTime.html b/dom/media/webaudio/test/test_audioParamSetTargetAtTime.html new file mode 100644 index 0000000000..3328519f12 --- /dev/null +++ b/dom/media/webaudio/test/test_audioParamSetTargetAtTime.html @@ -0,0 +1,55 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test AudioParam.setTargetAtTime</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 V0 = 0.9; +var V1 = 0.1; +var T0 = 0; +var TimeConstant = 10; + +var gTest = { + length: 2048, + numberOfChannels: 1, + createGraph(context) { + var sourceBuffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + sourceBuffer.getChannelData(0)[i] = 1; + } + + var source = context.createBufferSource(); + source.buffer = sourceBuffer; + + var gain = context.createGain(); + gain.gain.value = V0; + gain.gain.setTargetAtTime(V1, T0, TimeConstant); + + source.connect(gain); + + source.start(0); + return gain; + }, + createExpectedBuffers(context) { + var T1 = 2048 / context.sampleRate; + var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + var t = i / context.sampleRate; + expectedBuffer.getChannelData(0)[i] = V1 + (V0 - V1) * Math.exp(-(t - T0) / TimeConstant); + } + return expectedBuffer; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |