blob: ce8abefd2783dbfb360c689c57e8dc368776ec4f [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Testing local audio capture playback causes "playing" event to fire</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
</head>
<body>
<script>
if (window.testRunner)
testRunner.setUserMediaPermission(true);
var heardHum = false;
var heardBop = false;
var heardBip = false;
var test = async_test(() => {
navigator.mediaDevices.getUserMedia({audio: true}).then((stream) => {
var context = new webkitAudioContext();
var sourceNode = context.createMediaStreamSource(stream);
var analyser = context.createAnalyser();
var gain = context.createGain();
analyser.fftSize = 2048;
analyser.smoothingTimeConstant = 0;
analyser.minDecibels = -100;
analyser.maxDecibels = 0;
gain.gain.value = 0;
sourceNode.connect(analyser);
analyser.connect(gain);
gain.connect(context.destination);
function analyse() {
var freqDomain = new Uint8Array(analyser.frequencyBinCount);
analyser.getByteFrequencyData(freqDomain);
var hasFrequency = expectedFrequency => {
var bin = Math.floor(expectedFrequency * analyser.fftSize / context.sampleRate);
return bin < freqDomain.length && freqDomain[bin] >= 150;
};
if (!heardHum)
heardHum = hasFrequency(150);
if (!heardBip)
heardBip = hasFrequency(1500);
if (!heardBop)
heardBop = hasFrequency(500);
if (heardHum && heardBip && heardBop)
done();
};
var done = () => {
clearTimeout(timeout);
clearInterval(interval);
assert_true(heardHum);
assert_true(heardBip);
assert_true(heardBop);
test.done();
};
var timeout = setTimeout(() => { done(); }, 3000);
var interval = setInterval(() => { analyse(); }, 1000 / 30);
analyse();
});
}, "Basic getUserMedia to Web Audio test");
</script>
</body>
</html>