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127 lines
3.7 KiB
HTML
127 lines
3.7 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test MediaRecorder Record AudioContext Node</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript" src="manifest.js"></script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=968109">Mozilla Bug 968109</a>
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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function setUpSource(contextType, nodeType) {
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// Use contextType to choose offline or real-time context.
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var context = contextType === 'offline'?
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new OfflineAudioContext(2 , 80920, 44100) : new AudioContext();
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var buffer = context.createBuffer(2, 80920, context.sampleRate);
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for (var i = 0; i < 80920; ++i) {
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buffer.getChannelData(0)[i] = Math.sin(1000 * 2 * Math.PI * i / context.sampleRate);
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buffer.getChannelData(1)[i] = Math.sin(1000 * 2 * Math.PI * i / context.sampleRate);
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}
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var source = context.createBufferSource();
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source.buffer = buffer;
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source.loop = true;
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source.start(0);
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// nodeType decides which node in graph should be the source of recording.
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var node;
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if (nodeType === 'source') {
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node = source;
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} else if (nodeType === 'splitter') {
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var splitter = context.createChannelSplitter();
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source.connect(splitter);
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node = splitter;
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} else if (nodeType == 'destination') {
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source.connect(context.destination);
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node = context.destination;
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}
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// Explicitly start offline context.
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if (contextType === 'offline') {
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context.startRendering();
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}
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return node;
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}
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function testRecord(source, done) {
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ok(source, 'source node should be ok');
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var recorder;
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var didThrow = false;
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try {
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recorder = new MediaRecorder(source);
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} catch (e) {
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didThrow = true;
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}
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ok(!didThrow, 'MediaRecorder(AudioNode) should be visible after pref turned on');
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recorder.onwarning = function() {
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ok(false, 'should not fire onwarning');
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};
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recorder.onerror = function() {
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ok(false, 'should not fire onerror');
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};
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recorder.onstop = function() {
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is(recorder.state, 'inactive', 'state should become "inactive" after calling stop()');
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done();
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};
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recorder.ondataavailable = function (e) {
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if (recorder.state == 'recording') {
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is('audio/ogg', recorder.mimeType, 'mimetype should be audio/ogg, not ' + recorder.mimeType);
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ok(e.data && e.data.size > 0, 'should get data and its length should be > 0');
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recorder.stop();
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}
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};
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try {
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recorder.start(1000);
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is('recording', recorder.state, 'state should become "recording" after calling start()');
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} catch (e) {
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didThrow = true;
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}
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ok(!didThrow, 'start() should succeed');
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}
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addLoadEvent(function() {
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var src = setUpSource();
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var recorder;
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var didThrow = false;
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try {
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recorder = new MediaRecorder(src);
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} catch (e) {
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didThrow = true;
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}
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ok(didThrow, 'MediaRecorder(AudioNode) should be hidden behind a pref');
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SpecialPowers.pushPrefEnv({"set": [[ 'media.recorder.audio_node.enabled', true ]]},
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function () {
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// Test with various context and source node types.
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var done1 = new Promise(function (resolve, reject) {
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testRecord(setUpSource('', 'source'), resolve);
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});
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var done2 = new Promise(function (resolve, reject) {
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testRecord(setUpSource('', 'splitter'), resolve);
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});
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var done3 = new Promise(function (resolve, reject) {
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testRecord(setUpSource('offline', 'destination'), resolve);
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});
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// Finish test after all is done.
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Promise.all([done1, done2, done3]).then(
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function () { SimpleTest.finish(); }
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);
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});
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});
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</script>
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</pre>
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</body>
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</html>
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