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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html | |
| parent | Initial commit. (diff) | |
| download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html')
| -rw-r--r-- | dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html b/dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html new file mode 100644 index 0000000000..ec695f952b --- /dev/null +++ b/dom/media/webaudio/test/test_scriptProcessorNode_playbackTime1.html @@ -0,0 +1,52 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test ScriptProcessorNode playbackTime for bug 970773</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 class="testbody" type="text/javascript"> + +SimpleTest.waitForExplicitFinish(); + +var context = new AudioContext(); +const delay = 0.1; + +function doTest() { + const processorBufferLength = 256; + // |currentTime| may include double precision floating point + // rounding errors, so round to nearest integer sample to ignore these. + var minimumPlaybackSample = + Math.round(context.currentTime * context.sampleRate) + + processorBufferLength; + var sp = context.createScriptProcessor(processorBufferLength); + sp.connect(context.destination); + sp.onaudioprocess = + function(e) { + is(e.inputBuffer.length, processorBufferLength, + "expected buffer length"); + var playbackSample = Math.round(e.playbackTime * context.sampleRate) + ok(playbackSample >= minimumPlaybackSample, + "playbackSample " + playbackSample + + " beyond expected minimum " + minimumPlaybackSample); + sp.onaudioprocess = null; + SimpleTest.finish(); + }; +} + +// Wait until AudioDestinationNode has accumulated enough 'extra' time so that +// a failure would be easily detected. +(function waitForExtraTime() { + if (context.currentTime < delay) { + SimpleTest.executeSoon(waitForExtraTime); + } else { + doTest(); + } +})(); + +</script> +</pre> +</body> +</html> |