<!DOCTYPE HTML> <html> <head> <title>Test AudioParam timeline events scheduled after the destination stream has started playback</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"> SimpleTest.requestFlakyTimeout("This test needs to wait until the AudioDestinationNode's stream's timer starts."); var gTest = { length: 16384, numberOfChannels: 1, createGraphAsync: function(context, callback) { var sourceBuffer = context.createBuffer(1, 2048, context.sampleRate); for (var i = 0; i < 2048; ++i) { sourceBuffer.getChannelData(0)[i] = 1; } setTimeout(function() { var source = context.createBufferSource(); source.buffer = sourceBuffer; source.start(context.currentTime); source.stop(context.currentTime + sourceBuffer.duration); var gain = context.createGain(); gain.gain.setValueAtTime(0, context.currentTime); gain.gain.setTargetAtTime(0, context.currentTime + sourceBuffer.duration, 1); source.connect(gain); callback(gain); }, 100); }, }; runTest(); </script> </pre> </body> </html>