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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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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_convolverNodeChannelCount.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_convolverNodeChannelCount.html')
-rw-r--r-- | dom/media/webaudio/test/test_convolverNodeChannelCount.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_convolverNodeChannelCount.html b/dom/media/webaudio/test/test_convolverNodeChannelCount.html new file mode 100644 index 0000000000..03824578ea --- /dev/null +++ b/dom/media/webaudio/test/test_convolverNodeChannelCount.html @@ -0,0 +1,61 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test ConvolverNode channel count</title> + <script 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"> + +const signalLength = 2048; +const responseLength = 1000; +const outputLength = 2048; // < signalLength + responseLength to test bug 910171 + +var gTest = { + length: outputLength, + numberOfChannels: 2, + createGraph(context) { + var buffer = context.createBuffer(2, signalLength, context.sampleRate); + for (var i = 0; i < signalLength; ++i) { + var sample = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); + // When mixed into a single channel, this produces silence + buffer.getChannelData(0)[i] = sample; + buffer.getChannelData(1)[i] = -sample; + } + + var response = context.createBuffer(2, responseLength, context.sampleRate); + for (var i = 0; i < responseLength; ++i) { + response.getChannelData(0)[i] = i / responseLength; + response.getChannelData(1)[i] = 1 - (i / responseLength); + } + + var convolver = context.createConvolver(); + convolver.buffer = response; + convolver.channelCount = 1; + + expectException(function() { convolver.channelCount = 3; }, + DOMException.NOT_SUPPORTED_ERR); + convolver.channelCountMode = "explicit"; + expectException(function() { convolver.channelCountMode = "max"; }, + DOMException.NOT_SUPPORTED_ERR); + convolver.channelInterpretation = "discrete"; + convolver.channelInterpretation = "speakers"; + + var source = context.createBufferSource(); + source.buffer = buffer; + source.connect(convolver); + source.start(0); + + return convolver; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |