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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_audioParamSetCurveAtTimeTwice.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_audioParamSetCurveAtTimeTwice.html')
| -rw-r--r-- | dom/media/webaudio/test/test_audioParamSetCurveAtTimeTwice.html | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_audioParamSetCurveAtTimeTwice.html b/dom/media/webaudio/test/test_audioParamSetCurveAtTimeTwice.html new file mode 100644 index 000000000..0f976380e --- /dev/null +++ b/dom/media/webaudio/test/test_audioParamSetCurveAtTimeTwice.html @@ -0,0 +1,68 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test AudioParam.setValueCurveAtTime twice</title> + <script type="text/javascript" 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"> + + +function linearInterpolate(t0, v0, t1, v1, t) +{ + return v0 + (v1 - v0) * ((t - t0) / (t1 - t0)); +} + +var T0 = 0; + +var gTest = { + length: 2048, + numberOfChannels: 1, + createGraph: function(context) { + var curve2 = new Float32Array(100); + for (var i = 0; i < 100; ++i) { + curve2[i] = Math.sin(220 * 6 * Math.PI * i / context.sampleRate); + } + + var source = context.createConstantSource(); + + var gain = context.createGain(); + gain.gain.setValueCurveAtTime(curve2, T0, this.duration/2); + //Set a different curve from the first one + gain.gain.setValueCurveAtTime(this.curve, T0, this.duration); + + source.connect(gain); + + source.start(0); + return gain; + }, + createExpectedBuffers: function(context) { + this.duration = 1024 / context.sampleRate; + this.curve = new Float32Array(100); + for (var i = 0; i < 100; ++i) { + this.curve[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); + } + var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + step = 1024.0/99.0; + var current = Math.floor(i / step); + var next = current + 1; + if (next < this.curve.length) { + expectedBuffer.getChannelData(0)[i] = linearInterpolate(current*step, this.curve[current], next*step, this.curve[next], i); + } else { + expectedBuffer.getChannelData(0)[i] = this.curve[99]; + } + } + return expectedBuffer; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |