| Index: third_party/WebKit/LayoutTests/webaudio/gain.html
|
| diff --git a/third_party/WebKit/LayoutTests/webaudio/gain.html b/third_party/WebKit/LayoutTests/webaudio/gain.html
|
| deleted file mode 100644
|
| index f3c7549c166dfb4ab4e03460ce71de0ba4c79049..0000000000000000000000000000000000000000
|
| --- a/third_party/WebKit/LayoutTests/webaudio/gain.html
|
| +++ /dev/null
|
| @@ -1,85 +0,0 @@
|
| -<!DOCTYPE html>
|
| -
|
| -<!--
|
| -Tests that GainNode is properly scaling the gain.
|
| -We'll render 11 notes, starting at a gain of 1.0, decreasing in gain by 0.1.
|
| -The 11th note will be of gain 0.0, so it should be silent (at the end in the rendered output).
|
| --->
|
| -
|
| -<html>
|
| -<head>
|
| -<script src="resources/audit-util.js"></script>
|
| -<script src="resources/audio-testing.js"></script>
|
| -
|
| -</head>
|
| -<body>
|
| -
|
| -<script>
|
| -
|
| -window.onload = init;
|
| -
|
| -var sampleRate = 44100.0;
|
| -var bufferDurationSeconds = 0.125;
|
| -var numberOfNotes = 11;
|
| -var noteSpacing = bufferDurationSeconds + 0.020; // leave 20ms of silence between each "note"
|
| -var lengthInSeconds = numberOfNotes * noteSpacing;
|
| -
|
| -var context = 0;
|
| -var sinWaveBuffer = 0;
|
| -
|
| -function createSinWaveBuffer(lengthInSeconds, frequency) {
|
| - var audioBuffer = context.createBuffer(2, lengthInSeconds * sampleRate, sampleRate);
|
| -
|
| - var n = audioBuffer.length;
|
| - var channelL = audioBuffer.getChannelData(0);
|
| - var channelR = audioBuffer.getChannelData(1);
|
| -
|
| - for (var i = 0; i < n; ++i) {
|
| - channelL[i] = Math.sin(frequency * 2.0*Math.PI * i / sampleRate);
|
| - channelR[i] = channelL[i];
|
| - }
|
| -
|
| - return audioBuffer;
|
| -}
|
| -
|
| -function playNote(time, gain) {
|
| - var source = context.createBufferSource();
|
| - source.buffer = sinWaveBuffer;
|
| -
|
| - var gainNode = context.createGain();
|
| - gainNode.gain.value = gain;
|
| -
|
| - source.connect(gainNode);
|
| - gainNode.connect(context.destination);
|
| -
|
| - source.start(time);
|
| -}
|
| -
|
| -function init() {
|
| - if (!window.testRunner)
|
| - return;
|
| -
|
| - // Create offline audio context.
|
| - context = new OfflineAudioContext(2, sampleRate * lengthInSeconds, sampleRate);
|
| -
|
| - // Create a buffer for a short "note".
|
| - sinWaveBuffer = createSinWaveBuffer(bufferDurationSeconds, 880.0);
|
| -
|
| - // Render 11 notes, starting at a gain of 1.0, decreasing in gain by 0.1.
|
| - // The last note will be of gain 0.0, so shouldn't be perceptible in the rendered output.
|
| - for (var i = 0; i < numberOfNotes; ++i) {
|
| - var time = i * noteSpacing;
|
| - var gain = 1.0 - i / (numberOfNotes - 1);
|
| - playNote(time, gain);
|
| - }
|
| -
|
| - context.oncomplete = finishAudioTest;
|
| - context.startRendering();
|
| -
|
| - testRunner.waitUntilDone();
|
| -}
|
| -
|
| -</script>
|
| -
|
| -</body>
|
| -</html>
|
|
|
Chromium Code Reviews
Issue 2581463002:
Refactor WebAudio test directory (Closed)
