<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<html>
<head>
<title>Test MediaSource behavior when seeking beyond the duration of the clip.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="mediasource-util.js"></script>
</head>
<body>
<div id="log"></div>
<script>
function seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, seekToTime)
{
assert_less_than(mediaElement.currentTime, mediaElement.duration, 'Not at the end yet.');
test.expectEvent(mediaElement, 'seeking', 'mediaElement seeking');
// Seek to specified time.
mediaElement.currentTime = seekToTime;
if (seekToTime >= mediaSource.duration) {
assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');
} else {
assert_equals(mediaElement.currentTime, seekToTime, 'Current time equals specified seek time.');
}
test.waitForExpectedEvents(function()
{
test.expectEvent(mediaElement, 'timeupdate', 'mediaElement time updated.');
test.expectEvent(mediaElement, 'seeked', 'mediaElement seeked');
test.expectEvent(mediaElement, 'ended', 'mediaElement ended.');
test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended.');
mediaSource.endOfStream();
assert_true(mediaElement.seeking, 'mediaElement seeking.');
});
test.waitForExpectedEvents(function()
{
assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');
test.done();
});
};
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
mediaElement.play();
var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
// Append the initialization segment to trigger a transition to HAVE_METADATA.
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');
test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');
sourceBuffer.appendBuffer(initSegment);
test.waitForExpectedEvents(function()
{
// Add sufficient segments to have at least 2s of play-time.
var playbackData = MediaSourceUtil.getMediaDataForPlaybackTime(mediaData, segmentInfo, 2.0);
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
test.expectEvent(mediaElement, 'playing', 'Playing media.');
sourceBuffer.appendBuffer(playbackData);
});
test.waitForExpectedEvents(function()
{
assert_equals(mediaElement.duration, segmentInfo.duration);
assert_greater_than_equal(mediaElement.duration, 2.0, 'Duration is >2.0s.');
test.expectEvent(sourceBuffer, "updateend");
sourceBuffer.remove(1.5, Infinity);
assert_true(sourceBuffer.updating, "updating");
});
test.waitForExpectedEvents(function()
{
assert_false(sourceBuffer.updating, "updating");
test.waitForCurrentTimeChange(mediaElement, function()
{
// Update duration.
mediaSource.duration = 1.5;
seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, 1.8);
});
});
}, 'Test seeking beyond updated media duration.');
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
mediaElement.play();
// Append all media data for complete playback.
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');
test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');
test.expectEvent(mediaElement, 'playing', 'Playing media.');
sourceBuffer.appendBuffer(mediaData);
test.waitForExpectedEvents(function()
{
test.waitForCurrentTimeChange(mediaElement, function()
{
seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, mediaSource.duration, mediaSource.duration + 0.1);
});
});
}, 'Test seeking beyond media duration.');
</script>
</body>
</html>