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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/media/webaudio/test/test_bug966247.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream/115.8.0esr.tar.xz firefox-esr-upstream/115.8.0esr.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/test/test_bug966247.html')
| -rw-r--r-- | dom/media/webaudio/test/test_bug966247.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_bug966247.html b/dom/media/webaudio/test/test_bug966247.html new file mode 100644 index 0000000000..69831c33b6 --- /dev/null +++ b/dom/media/webaudio/test/test_bug966247.html @@ -0,0 +1,46 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test whether an audio file played with a volume set to 0 plays silence</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<audio preload=none src="ting-48k-1ch.ogg" controls> </audio> +<script> + SimpleTest.waitForExplicitFinish(); + + var count = 20; + + function isSilent(b) { + for (var i = 0; i < b.length; i++) { + if (b[i] != 0.0) { + return false; + } + } + return true; + } + + var a = document.getElementsByTagName("audio")[0]; + a.volume = 0.0; + var ac = new AudioContext(); + var measn = ac.createMediaElementSource(a); + var sp = ac.createScriptProcessor(); + + sp.onaudioprocess = function(e) { + var inputBuffer = e.inputBuffer.getChannelData(0); + ok(isSilent(inputBuffer), "The volume is set to 0, so all the elements of the buffer are supposed to be equal to 0.0"); + } + // Connect the MediaElementAudioSourceNode to the ScriptProcessorNode to check + // the audio volume. + measn.connect(sp); + a.play(); + + a.addEventListener("ended", function() { + sp.onaudioprocess = null; + SimpleTest.finish(); + }); + +</script> +</body> +</html> |