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Bug 495040 - Implement playbackRate and related bits (Tests) r=kinetik
This commit is contained in:
Paul Adenot
parent
ae1aed084f
commit
ba9e783773
@ -110,7 +110,7 @@ MOCHITEST_FILES = \
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test_seek_out_of_range.html \
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test_source.html \
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test_source_write.html \
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test_source_null.html \
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test_source_null.html \
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test_standalone.html \
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test_too_many_elements.html \
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test_volume.html \
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@ -130,6 +130,7 @@ MOCHITEST_FILES = \
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test_media_sniffer.html \
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contentType.sjs \
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test_streams_srcObject.html \
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test_playback_rate.html \
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$(filter disabled-for-intermittent-failures--bug-608634, test_error_in_video_document.html) \
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$(NULL)
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216
content/media/test/test_playback_rate.html
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216
content/media/test/test_playback_rate.html
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@ -0,0 +1,216 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for the playbackRate property </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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<pre id="test">
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<script class="testbody" type='application/javascript;version=1.8'>
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let manager = new MediaTestManager;
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function rangeCheck(lhs, rhs, threshold) {
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var diff = Math.abs(lhs - rhs);
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if (diff < threshold) {
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return true;
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}
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return false;
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}
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function checkPlaybackRate(wallclock, media, expected, threshold) {
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if (rangeCheck(media / wallclock, expected, threshold)) {
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return true;
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}
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return false;
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}
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// Those value are expected to match those at the top of nsHTMLMediaElement.cpp.
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let VERY_SLOW_RATE = 0.1,
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SLOW_RATE = 0.25,
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FAST_RATE = 5,
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VERY_FAST_RATE = 20,
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NULL_RATE = 0.0;
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function ontimeupdate(e) {
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var t = e.target;
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if (t.gotEnded) {
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return;
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}
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t.testedForSlowdown = true;
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if (t.currentTime > t.duration / 2) {
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t.oldCurrentTime = t.currentTime;
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t.timestamp = Date.now();
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var delta = t.oldCurrentTime,
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delta_wallclock = (t.timestamp - t.startTimestamp - t.bufferingTime) / 1000;
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t.mozPreservesPitch = false;
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is(t.mozPreservesPitch, false, "If we disable the pitch preservation, it should appear as such.");
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t.bufferingTime = 0;
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is(t.playbackRate, SLOW_RATE,
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"The playback rate shoud be "+SLOW_RATE+"." + t.token);
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ok(checkPlaybackRate(delta_wallclock, delta, SLOW_RATE, 0.25), "We are effectively slowing down playback. (" + delta_wallclock + ", " + delta + ") for " + t.token);
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t.removeEventListener("timeupdate", ontimeupdate);
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t.addEventListener("pause", onpaused);
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t.playbackRate = NULL_RATE;
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t.oldCurrentTime = t.currentTime;
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setTimeout(function() {
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afterNullPlaybackRate(e);
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}, 100);
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}
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}
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function onpaused(e) {
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var t = e.target;
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t.pausedReceived = true;
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}
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function afterNullPlaybackRate(e) {
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var t = e.target;
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t.testedForNull = true;
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if (t.gotEnded) {
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return;
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}
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// The currentTime won't be perfectly equal because of the latency
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// compensation. We expect no more that 300ms difference.
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let THRESHOLD = 0.3;
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ok(rangeCheck(t.currentTime, t.oldCurrentTime, THRESHOLD), "Current time should not change when playbackRate is null (" + t.currentTime + " " + t.oldCurrentTime + ").");
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ok(!t.paused, "The element should not be in paused state.");
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t.removeEventListener("paused", onpaused);
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is(t.pausedReceived, undefined, "Paused event should not have been received.");
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t.timestamp = Date.now();
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t.oldCurrentTime = t.currentTime;
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t.playbackRate = VERY_FAST_RATE;
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is(t.playbackRate, FAST_RATE, "Playback rate should be clamped to " + FAST_RATE + ".");
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}
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function onended(e) {
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var t = e.target,
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playtime = (Date.now() - t.timestamp - t.bufferingTime) / 1000,
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mediaTime = t.duration - t.oldCurrentTime;
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if (!(t.testedForSlowdown && t.testedForNull)) {
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t.gotEnded = true;
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t.skippedFastPart = true;
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}
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t.bufferingTime = 0;
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// We got "ended" too early, skip these tests.
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if (t.testedForSlowdown && t.testedForNull) {
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is(t.playbackRate, FAST_RATE, "The playback rate should still be "+FAST_RATE+".");
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ok(!t.muted, "The audio should be muted when playing at high speed, but should not appear as such.");
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is(t.currentTime, t.duration, "Current time should be equal to the duration (not change by playback rate).");
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}
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test_defaultPlaybackRate(e);
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}
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function test_defaultPlaybackRate(e) {
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var t = e.target;
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t.currentTime = 0.0;
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t.defaultPlaybackRate = SLOW_RATE;
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t.addEventListener("timeupdate", ontimeupdate_defaultPlaybackRate);
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t.startTimestamp = Date.now();
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t.play();
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}
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function ontimeupdate_defaultPlaybackRate(e) {
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var t = e.target;
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if (t.currentTime > t.duration / 10) {
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t.oldCurrentTime = t.currentTime;
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t.timestamp = Date.now();
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var delta = t.oldCurrentTime,
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delta_wallclock = (t.timestamp - t.startTimestamp - t.bufferingTime) / 1000;
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t.bufferingTime = 0;
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is(t.playbackRate, SLOW_RATE,
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"The playback rate shoud be "+SLOW_RATE+"." + t.token + '\n');
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is(t.defaultPlaybackRate, SLOW_RATE,
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"The default playback rate shoud be "+SLOW_RATE+"." + t.token);
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ok(delta_wallclock > delta , "We are effectively slowing down playback. (" + delta_wallclock + ", " + delta + ")");
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if (t.skippedFastPart) {
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is(t.ratechangecount, 7, "We should have received 7 \"ratechange\" events.");
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} else {
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is(t.ratechangecount, 8, "We should have received 8 \"ratechange\" events.");
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}
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finish_test(t);
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}
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}
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function onratechange(e) {
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if (!e.target.ratechangecount) {
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e.target.ratechangecount = 0;
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}
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e.target.ratechangecount++;
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}
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function finish_test(element) {
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if (element.parentNode)
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element.parentNode.removeChild(element);
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element.src="";
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manager.finished(element.token);
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}
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// These two functions handle the case when the playback pauses for buffering. It
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// adjusts the timestamps to be accurate. Despite the fact that the web servers
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// is supposed to be on the same machine, buffering pauses can occur (rarely,
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// but still).
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function onplaying(e) {
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var t = e.target;
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if (t.bufferingTimestamp != undefined) {
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t.bufferingTime += (Date.now() - t.bufferingTimestamp);
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t.bufferingTimestamp = undefined;
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}
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}
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function onwaiting(e) {
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var t = e.target;
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t.bufferingTimestamp = Date.now();
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}
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function onvolumechange(e) {
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ok(false, "We should not receive a volumechange event when changing the playback rate.");
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}
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function startTest(test, token) {
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let elemType = /^audio/.test(test.type) ? "audio" : "video";
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let element = document.createElement(elemType);
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element.src = test.name;
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element.token = token;
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element.controls = true;
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element.bufferingTime = 0;
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document.body.appendChild(element);
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element.addEventListener("ratechange", onratechange);
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element.addEventListener("timeupdate", ontimeupdate);
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element.addEventListener("ended", onended);
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element.addEventListener("waiting", onwaiting);
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element.addEventListener("playing", onplaying);
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element.addEventListener("volumechange", onvolumechange);
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manager.started(token);
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element.startTimestamp = Date.now();
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is(element.mozPreservesPitch, true, "Pitch preservation should be enabled by default.");
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element.addEventListener("loadedmetadata", function() {
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is(element.playbackRate, 1.0, "playbackRate should be initially 1.0");
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is(element.defaultPlaybackRate, 1.0, "defaultPlaybackRate should be initially 1.0");
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element.playbackRate = VERY_SLOW_RATE;
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is(element.playbackRate, SLOW_RATE, "PlaybackRate should be clamped to " + SLOW_RATE + ".");
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element.play();
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is(element.playbackRate, 1.0, "playbackRate should be reset to 1.0 on play() call");
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element.playbackRate = SLOW_RATE;
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});
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}
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manager.runTests(gPlayedTests, startTest);
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</script>
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</pre>
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<div id="elements">
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</div>
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</body>
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</html>
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