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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/media/webaudio/test/test_bug966247.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
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 000000000..9224ac2d4 --- /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 type="text/javascript" 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; b++) { + 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> |