shaka-player
Version:
DASH/EME video player library
1,133 lines (1,031 loc) • 43.8 kB
JavaScript
/**
* @license
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
describe('DashParser Live', function() {
/** @const */
var Util = shaka.test.Util;
/** @const */
var ManifestParser = shaka.test.ManifestParser;
/** @const */
var realTimeout = window.setTimeout;
/** @const */
var oldNow = Date.now;
/** @const */
var updateTime = 5;
/** @const */
var originalUri = 'http://example.com/';
/** @type {!shaka.test.FakeNetworkingEngine} */
var fakeNetEngine;
/** @type {!shaka.dash.DashParser} */
var parser;
/** @type {shakaExtern.ManifestParser.PlayerInterface} */
var playerInterface;
beforeAll(function() {
jasmine.clock().install();
// This polyfill is required for fakeEventLoop.
shaka.polyfill.Promise.install(/* force */ true);
});
beforeEach(function() {
var retry = shaka.net.NetworkingEngine.defaultRetryParameters();
fakeNetEngine = new shaka.test.FakeNetworkingEngine();
parser = new shaka.dash.DashParser();
parser.configure({
retryParameters: retry,
dash: {
clockSyncUri: '',
customScheme: function(node) { return null; },
ignoreDrmInfo: false,
xlinkFailGracefully: false
},
hls: { defaultTimeOffset: 0 }
});
playerInterface = {
networkingEngine: fakeNetEngine,
filterNewPeriod: function() {},
filterAllPeriods: function() {},
onTimelineRegionAdded: fail, // Should not have any EventStream elements.
onEvent: fail,
onError: fail
};
});
afterEach(function() {
// Dash parser stop is synchronous.
parser.stop();
});
afterAll(function() {
Date.now = oldNow;
jasmine.clock().uninstall();
shaka.polyfill.Promise.uninstall();
});
/**
* Simulate time to trigger a manifest update.
*/
function delayForUpdatePeriod() {
// Tick the virtual clock to trigger an update and resolve all Promises.
Util.fakeEventLoop(updateTime);
}
/**
* Makes a simple live manifest with the given representation contents.
*
* @param {!Array.<string>} lines
* @param {number?} updateTime
* @param {number=} opt_duration
* @return {string}
*/
function makeSimpleLiveManifestText(lines, updateTime, opt_duration) {
var updateAttr = updateTime != null ?
'minimumUpdatePeriod="PT' + updateTime + 'S"' : '';
var durationAttr = opt_duration != undefined ?
'duration="PT' + opt_duration + 'S"' : '';
var template = [
'<MPD type="dynamic" %(updateAttr)s',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1" %(durationAttr)s>',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var text = sprintf(template, {
updateAttr: updateAttr,
durationAttr: durationAttr,
contents: lines.join('\n'),
updateTime: updateTime
});
return text;
}
/**
* Creates tests that test the behavior common between SegmentList and
* SegmentTemplate.
*
* @param {!Array.<string>} basicLines
* @param {!Array.<!shaka.media.SegmentReference>} basicRefs
* @param {!Array.<string>} updateLines
* @param {!Array.<!shaka.media.SegmentReference>} updateRefs
* @param {!Array.<string>} partialUpdateLines
*/
function testCommonBehaviors(
basicLines, basicRefs, updateLines, updateRefs, partialUpdateLines) {
/**
* Tests that an update will show the given references.
*
* @param {function()} done
* @param {!Array.<string>} firstLines The Representation contents for the
* first manifest.
* @param {!Array.<!shaka.media.SegmentReference>} firstReferences The media
* references for the first parse.
* @param {!Array.<string>} secondLines The Representation contents for the
* updated manifest.
* @param {!Array.<!shaka.media.SegmentReference>} secondReferences The
* media references for the updated manifest.
*/
function testBasicUpdate(
done, firstLines, firstReferences, secondLines, secondReferences) {
var firstManifest = makeSimpleLiveManifestText(firstLines, updateTime);
var secondManifest = makeSimpleLiveManifestText(secondLines, updateTime);
fakeNetEngine.setResponseMapAsText({'dummy://foo': firstManifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
var stream = manifest.periods[0].variants[0].video;
ManifestParser.verifySegmentIndex(stream, firstReferences);
expect(manifest.periods.length).toBe(1);
fakeNetEngine.setResponseMapAsText({'dummy://foo': secondManifest});
delayForUpdatePeriod();
ManifestParser.verifySegmentIndex(stream, secondReferences);
// In https://github.com/google/shaka-player/issues/963, we
// duplicated periods during the first update. This check covers
// this case.
expect(manifest.periods.length).toBe(1);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
}
it('basic support', function(done) {
testBasicUpdate(done, basicLines, basicRefs, updateLines, updateRefs);
});
it('new manifests don\'t need to include old references', function(done) {
testBasicUpdate(
done, basicLines, basicRefs, partialUpdateLines, updateRefs);
});
it('evicts old references for single-period live stream', function(done) {
var template = [
'<MPD type="dynamic" minimumUpdatePeriod="PT%(updateTime)dS"',
' timeShiftBufferDepth="PT1S"',
' suggestedPresentationDelay="PT5S"',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var text = sprintf(
template, {updateTime: updateTime, contents: basicLines.join('\n')});
fakeNetEngine.setResponseMapAsText({'dummy://foo': text});
Date.now = function() { return 0; };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
var stream = manifest.periods[0].variants[0].video;
expect(stream).toBeTruthy();
expect(stream.findSegmentPosition).toBeTruthy();
expect(stream.findSegmentPosition(0)).toBe(1);
ManifestParser.verifySegmentIndex(stream, basicRefs);
// 15 seconds for @timeShiftBufferDepth and the first segment
// duration.
Date.now = function() { return 2 * 15 * 1000; };
delayForUpdatePeriod();
// The first reference should have been evicted.
expect(stream.findSegmentPosition(0)).toBe(2);
ManifestParser.verifySegmentIndex(stream, basicRefs.slice(1));
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('evicts old references for multi-period live stream', function(done) {
var template = [
'<MPD type="dynamic" minimumUpdatePeriod="PT%(updateTime)dS"',
' timeShiftBufferDepth="PT1S"',
' suggestedPresentationDelay="PT5S"',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
' <Period id="2" start="PT%(pStart)dS">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="4" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
// Set the period start to the sum of the durations of the references
// in the previous period.
var durs = basicRefs.map(function(r) { return r.endTime - r.startTime; });
var pStart = durs.reduce(function(p, d) { return p + d; }, 0);
var args = {
updateTime: updateTime,
pStart: pStart,
contents: basicLines.join('\n')
};
var text = sprintf(template, args);
fakeNetEngine.setResponseMapAsText({'dummy://foo': text});
Date.now = function() { return 0; };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
var stream1 = manifest.periods[0].variants[0].video;
var stream2 = manifest.periods[1].variants[0].video;
ManifestParser.verifySegmentIndex(stream1, basicRefs);
ManifestParser.verifySegmentIndex(stream2, basicRefs);
// 15 seconds for @timeShiftBufferDepth and the first segment
// duration.
Date.now = function() { return 2 * 15 * 1000; };
delayForUpdatePeriod();
// The first reference should have been evicted.
ManifestParser.verifySegmentIndex(stream1, basicRefs.slice(1));
ManifestParser.verifySegmentIndex(stream2, basicRefs);
// Same as above, but 1 period length later
Date.now = function() { return (2 * 15 + pStart) * 1000; };
delayForUpdatePeriod();
ManifestParser.verifySegmentIndex(stream1, []);
ManifestParser.verifySegmentIndex(stream2, basicRefs.slice(1));
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('sets infinite duration for single-period live streams', function(done) {
var template = [
'<MPD type="dynamic" minimumUpdatePeriod="PT%(updateTime)dS"',
' timeShiftBufferDepth="PT1S"',
' suggestedPresentationDelay="PT5S"',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var text = sprintf(
template, {updateTime: updateTime, contents: basicLines.join('\n')});
fakeNetEngine.setResponseMapAsText({'dummy://foo': text});
Date.now = function() { return 0; };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest.periods.length).toBe(1);
var timeline = manifest.presentationTimeline;
expect(timeline.getDuration()).toBe(Infinity);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('sets infinite duration for multi-period live streams', function(done) {
var template = [
'<MPD type="dynamic" minimumUpdatePeriod="PT%(updateTime)dS"',
' timeShiftBufferDepth="PT1S"',
' suggestedPresentationDelay="PT5S"',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
' <Period id="2" start="PT60S">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="4" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var text = sprintf(
template, {updateTime: updateTime, contents: basicLines.join('\n')});
fakeNetEngine.setResponseMapAsText({'dummy://foo': text});
Date.now = function() { return 0; };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest.periods.length).toBe(2);
expect(manifest.periods[1].startTime).toBe(60);
var timeline = manifest.presentationTimeline;
expect(timeline.getDuration()).toBe(Infinity);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
}
it('can add Periods', function(done) {
var lines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />'
];
var template = [
'<MPD type="dynamic" availabilityStartTime="1970-01-01T00:00:00Z"',
' suggestedPresentationDelay="PT5S"',
' minimumUpdatePeriod="PT%(updateTime)dS">',
' <Period id="4">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="6" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var secondManifest =
sprintf(template, {updateTime: updateTime, contents: lines.join('\n')});
var firstManifest = makeSimpleLiveManifestText(lines, updateTime);
var filterNewPeriod = jasmine.createSpy('filterNewPeriod');
playerInterface.filterNewPeriod = Util.spyFunc(filterNewPeriod);
var filterAllPeriods = jasmine.createSpy('filterAllPeriods');
playerInterface.filterAllPeriods = Util.spyFunc(filterAllPeriods);
fakeNetEngine.setResponseMapAsText({'dummy://foo': firstManifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest.periods.length).toBe(1);
// Should call filterAllPeriods for parsing the first manifest
expect(filterNewPeriod.calls.count()).toBe(0);
expect(filterAllPeriods.calls.count()).toBe(1);
fakeNetEngine.setResponseMapAsText({'dummy://foo': secondManifest});
delayForUpdatePeriod();
// Should update the same manifest object.
expect(manifest.periods.length).toBe(2);
// Should call filterNewPeriod for parsing the new manifest
expect(filterAllPeriods.calls.count()).toBe(1);
expect(filterNewPeriod.calls.count()).toBe(1);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('uses redirect URL for manifest BaseURL', function(done) {
var template = [
'<MPD type="dynamic" availabilityStartTime="1970-01-01T00:00:00Z"',
' suggestedPresentationDelay="PT5S"',
' minimumUpdatePeriod="PT%(updateTime)dS">',
' <Period id="1" duration="PT30S">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <SegmentTemplate startNumber="1" media="s$Number$.mp4">',
' <SegmentTimeline>',
' <S d="10" t="0" />',
' <S d="5" />',
' <S d="15" />',
' </SegmentTimeline>',
' </SegmentTemplate>',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var manifestText = sprintf(template, {updateTime: updateTime});
var manifestData = shaka.util.StringUtils.toUTF8(manifestText);
var redirectedUri = 'http://redirected.com/';
// The initial manifest request will be redirected.
fakeNetEngine.request.and.returnValue(
Promise.resolve({uri: redirectedUri, data: manifestData}));
parser.start(originalUri, playerInterface)
.then(function(manifest) {
// The manifest request was made to the original URL.
expect(fakeNetEngine.request.calls.count()).toBe(1);
var netRequest = fakeNetEngine.request.calls.argsFor(0)[1];
expect(netRequest.uris).toEqual([originalUri]);
// Since the manifest request was redirected, the segment refers to
// the redirected base.
var stream = manifest.periods[0].variants[0].video;
var segmentUri = stream.getSegmentReference(1).getUris()[0];
expect(segmentUri).toBe(redirectedUri + 's1.mp4');
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('failures in update call error callback', function(done) {
var lines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />'
];
var manifest = makeSimpleLiveManifestText(lines, updateTime);
var onError = jasmine.createSpy('onError');
playerInterface.onError = Util.spyFunc(onError);
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(fakeNetEngine.request.calls.count()).toBe(1);
var error = new shaka.util.Error(
shaka.util.Error.Severity.CRITICAL,
shaka.util.Error.Category.NETWORK,
shaka.util.Error.Code.BAD_HTTP_STATUS);
var promise = Promise.reject(error);
fakeNetEngine.request.and.returnValue(promise);
delayForUpdatePeriod();
expect(onError.calls.count()).toBe(1);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('uses @minimumUpdatePeriod', function(done) {
var lines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />'
];
// updateTime parameter sets @minimumUpdatePeriod in the manifest.
var manifest = makeSimpleLiveManifestText(lines, updateTime);
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(fakeNetEngine.request.calls.count()).toBe(1);
expect(manifest).toBeTruthy();
var partialTime = updateTime * 1000 * 3 / 4;
var remainingTime = updateTime * 1000 - partialTime;
jasmine.clock().tick(partialTime);
shaka.polyfill.Promise.flush();
// Update period has not passed yet.
expect(fakeNetEngine.request.calls.count()).toBe(1);
jasmine.clock().tick(remainingTime);
shaka.polyfill.Promise.flush();
// Update period has passed.
expect(fakeNetEngine.request.calls.count()).toBe(2);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('still updates when @minimumUpdatePeriod is zero', function(done) {
var lines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />'
];
// updateTime parameter sets @minimumUpdatePeriod in the manifest.
var manifest = makeSimpleLiveManifestText(lines, /* updateTime */ 0);
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
fakeNetEngine.request.calls.reset();
var waitTimeMs = shaka.dash.DashParser['MIN_UPDATE_PERIOD_'] * 1000;
jasmine.clock().tick(waitTimeMs);
shaka.polyfill.Promise.flush();
// Update period has passed.
expect(fakeNetEngine.request).toHaveBeenCalled();
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('does not update when @minimumUpdatePeriod is missing', function(done) {
var lines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />'
];
// updateTime parameter sets @minimumUpdatePeriod in the manifest.
var manifest = makeSimpleLiveManifestText(lines, /* updateTime */ null);
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
fakeNetEngine.request.calls.reset();
var waitTimeMs = shaka.dash.DashParser['MIN_UPDATE_PERIOD_'] * 1000;
jasmine.clock().tick(waitTimeMs * 2);
shaka.polyfill.Promise.flush();
// Even though we have waited longer than the minimum update period,
// the missing attribute means "do not update". So no update should
// have happened.
expect(fakeNetEngine.request).not.toHaveBeenCalled();
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('uses Mpd.Location', function(done) {
var manifestText = [
'<MPD type="dynamic" availabilityStartTime="1970-01-01T00:00:00Z"',
' suggestedPresentationDelay="PT5S"',
' minimumUpdatePeriod="PT' + updateTime + 'S">',
' <Location>http://foobar</Location>',
' <Location>http://foobar2</Location>',
' <Period id="1" duration="PT10S">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifestText});
var manifestRequest = shaka.net.NetworkingEngine.RequestType.MANIFEST;
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(fakeNetEngine.request.calls.count()).toBe(1);
fakeNetEngine.expectCancelableRequest('dummy://foo', manifestRequest);
fakeNetEngine.request.calls.reset();
// Create a mock so we can verify it gives two URIs.
fakeNetEngine.request.and.callFake(function(type, request) {
expect(type).toBe(manifestRequest);
expect(request.uris).toEqual(['http://foobar', 'http://foobar2']);
var data = shaka.util.StringUtils.toUTF8(manifestText);
return Promise.resolve(
{uri: request.uris[0], data: data, headers: {}});
});
delayForUpdatePeriod();
expect(fakeNetEngine.request.calls.count()).toBe(1);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('uses @suggestedPresentationDelay', function(done) {
var manifest = [
'<MPD type="dynamic" suggestedPresentationDelay="PT60S"',
' minimumUpdatePeriod="PT5S"',
' timeShiftBufferDepth="PT2M"',
' maxSegmentDuration="PT10S"',
' availabilityStartTime="1970-01-01T00:05:00Z">',
' <Period id="1">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'<SegmentTemplate startNumber="1" media="s$Number$.mp4" duration="2" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
Date.now = function() { return 600000; /* 10 minutes */ };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
var timeline = manifest.presentationTimeline;
expect(timeline).toBeTruthy();
// We are 5 minutes into the presentation, with a
// @timeShiftBufferDepth of 120 seconds and a @maxSegmentDuration of
// 10 seconds, the start will be 2:50.
expect(timeline.getSegmentAvailabilityStart()).toBe(170);
// Normally the end should be 4:50; but with a 60 second
// @suggestedPresentationDelay it will be 3:50 minutes.
expect(timeline.getSegmentAvailabilityEnd()).toBe(290);
expect(timeline.getSeekRangeEnd()).toBe(230);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
describe('maxSegmentDuration', function() {
it('uses @maxSegmentDuration', function(done) {
var manifest = [
'<MPD type="dynamic" suggestedPresentationDelay="PT0S"',
' minimumUpdatePeriod="PT5S"',
' timeShiftBufferDepth="PT2M"',
' maxSegmentDuration="PT15S"',
' availabilityStartTime="1970-01-01T00:05:00Z">',
' <Period id="1">',
' <AdaptationSet id="2" mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'<SegmentTemplate media="s$Number$.mp4" duration="2" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
Date.now = function() { return 600000; /* 10 minutes */ };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
var timeline = manifest.presentationTimeline;
expect(timeline).toBeTruthy();
expect(timeline.getSegmentAvailabilityStart()).toBe(165);
expect(timeline.getSegmentAvailabilityEnd()).toBe(285);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('derived from SegmentTemplate w/ SegmentTimeline', function(done) {
var lines = [
'<SegmentTemplate media="s$Number$.mp4">',
' <SegmentTimeline>',
' <S t="0" d="7" />',
' <S d="8" />',
' <S d="6" />',
' </SegmentTimeline>',
'</SegmentTemplate>'
];
testDerived(lines, done);
});
it('derived from SegmentTemplate w/ @duration', function(done) {
var lines = [
'<SegmentTemplate media="s$Number$.mp4" duration="8" />'
];
testDerived(lines, done);
});
it('derived from SegmentList', function(done) {
var lines = [
'<SegmentList duration="8">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
'</SegmentList>'
];
testDerived(lines, done);
});
it('derived from SegmentList w/ SegmentTimeline', function(done) {
var lines = [
'<SegmentList duration="8">',
' <SegmentTimeline>',
' <S t="0" d="5" />',
' <S d="4" />',
' <S d="8" />',
' </SegmentTimeline>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
'</SegmentList>'
];
testDerived(lines, done);
});
function testDerived(lines, done) {
var template = [
'<MPD type="dynamic" suggestedPresentationDelay="PT0S"',
' minimumUpdatePeriod="PT5S"',
' timeShiftBufferDepth="PT2M"',
' availabilityStartTime="1970-01-01T00:05:00Z">',
' <Period id="1">',
' <AdaptationSet id="2" mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
'%(contents)s',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
var manifest = sprintf(template, { contents: lines.join('\n') });
fakeNetEngine.setResponseMapAsText({'dummy://foo': manifest});
Date.now = function() { return 600000; /* 10 minutes */ };
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
var timeline = manifest.presentationTimeline;
expect(timeline).toBeTruthy();
// NOTE: the largest segment is 8 seconds long in each test.
expect(timeline.getSegmentAvailabilityStart()).toBe(172);
expect(timeline.getSegmentAvailabilityEnd()).toBe(292);
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
}
});
describe('stop', function() {
/** @const */
var manifestRequestType = shaka.net.NetworkingEngine.RequestType.MANIFEST;
/** @const */
var dateRequestType = shaka.net.NetworkingEngine.RequestType.MANIFEST;
/** @const */
var manifestUri = 'dummy://foo';
/** @const */
var dateUri = 'http://foo.bar/date';
beforeEach(function() {
var manifest = [
'<MPD type="dynamic" availabilityStartTime="1970-01-01T00:00:00Z"',
' minimumUpdatePeriod="PT' + updateTime + 'S">',
' <UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-xsdate:2014"',
' value="http://foo.bar/date" />',
' <UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-xsdate:2014"',
' value="http://foo.bar/date" />',
' <Period id="1">',
' <AdaptationSet mimeType="video/mp4">',
' <Representation id="3" bandwidth="500">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentTemplate startNumber="1" media="s$Number$.mp4"',
' duration="2" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
fakeNetEngine.setResponseMapAsText({
'http://foo.bar/date': '1970-01-01T00:00:30Z',
'dummy://foo': manifest
});
});
it('stops updates', function(done) {
parser.start(manifestUri, playerInterface)
.then(function(manifest) {
fakeNetEngine.expectCancelableRequest(
manifestUri, manifestRequestType);
fakeNetEngine.request.calls.reset();
parser.stop();
delayForUpdatePeriod();
expect(fakeNetEngine.request).not.toHaveBeenCalled();
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('stops initial parsing', function(done) {
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBe(null);
fakeNetEngine.expectCancelableRequest(
manifestUri, manifestRequestType);
fakeNetEngine.request.calls.reset();
delayForUpdatePeriod();
// An update should not occur.
expect(fakeNetEngine.request).not.toHaveBeenCalled();
}).catch(fail).then(done);
// start will only begin the network request, calling stop here will be
// after the request has started but before any parsing has been done.
expect(fakeNetEngine.request.calls.count()).toBe(1);
parser.stop();
shaka.polyfill.Promise.flush();
});
it('interrupts manifest updates', function(done) {
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest).toBeTruthy();
fakeNetEngine.expectCancelableRequest(
manifestUri, manifestRequestType);
fakeNetEngine.request.calls.reset();
var delay = fakeNetEngine.delayNextRequest();
delayForUpdatePeriod();
// The request was made but should not be resolved yet.
expect(fakeNetEngine.request.calls.count()).toBe(1);
fakeNetEngine.expectCancelableRequest(
manifestUri, manifestRequestType);
fakeNetEngine.request.calls.reset();
parser.stop();
delay.resolve();
shaka.polyfill.Promise.flush();
// Wait for another update period.
delayForUpdatePeriod();
// A second update should not occur.
expect(fakeNetEngine.request).not.toHaveBeenCalled();
}).catch(fail).then(done);
shaka.polyfill.Promise.flush();
});
it('interrupts UTCTiming requests', function(done) {
/** @type {!shaka.util.PublicPromise} */
var delay = fakeNetEngine.delayNextRequest();
Util.delay(0.2, realTimeout).then(function() {
// This is the initial manifest request.
expect(fakeNetEngine.request.calls.count()).toBe(1);
fakeNetEngine.expectCancelableRequest(manifestUri, manifestRequestType);
fakeNetEngine.request.calls.reset();
// Resolve the manifest request and wait on the UTCTiming request.
delay.resolve();
delay = fakeNetEngine.delayNextRequest();
return Util.delay(0.2, realTimeout);
}).then(function() {
// This is the first UTCTiming request.
expect(fakeNetEngine.request.calls.count()).toBe(1);
fakeNetEngine.expectRequest(dateUri, dateRequestType);
fakeNetEngine.request.calls.reset();
// Interrupt the parser, then fail the request.
parser.stop();
delay.reject();
return Util.delay(0.1, realTimeout);
}).then(function() {
// Wait for another update period.
delayForUpdatePeriod();
// No more updates should occur.
expect(fakeNetEngine.request).not.toHaveBeenCalled();
}).catch(fail).then(done);
parser.start('dummy://foo', playerInterface).catch(fail);
shaka.polyfill.Promise.flush();
});
});
describe('SegmentTemplate w/ SegmentTimeline', function() {
var basicLines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4">',
' <SegmentTimeline>',
' <S d="10" t="0" />',
' <S d="5" />',
' <S d="15" />',
' </SegmentTimeline>',
'</SegmentTemplate>'
];
var basicRefs = [
shaka.test.ManifestParser.makeReference('s1.mp4', 1, 0, 10, originalUri),
shaka.test.ManifestParser.makeReference('s2.mp4', 2, 10, 15, originalUri),
shaka.test.ManifestParser.makeReference('s3.mp4', 3, 15, 30, originalUri)
];
var updateLines = [
'<SegmentTemplate startNumber="1" media="s$Number$.mp4">',
' <SegmentTimeline>',
' <S d="10" t="0" />',
' <S d="5" />',
' <S d="15" />',
' <S d="10" />',
' </SegmentTimeline>',
'</SegmentTemplate>'
];
var updateRefs = [
shaka.test.ManifestParser.makeReference('s1.mp4', 1, 0, 10, originalUri),
shaka.test.ManifestParser.makeReference('s2.mp4', 2, 10, 15, originalUri),
shaka.test.ManifestParser.makeReference('s3.mp4', 3, 15, 30, originalUri),
shaka.test.ManifestParser.makeReference('s4.mp4', 4, 30, 40, originalUri)
];
var partialUpdateLines = [
'<SegmentTemplate startNumber="3" media="s$Number$.mp4">',
' <SegmentTimeline>',
' <S d="15" t="15" />',
' <S d="10" />',
' </SegmentTimeline>',
'</SegmentTemplate>'
];
testCommonBehaviors(
basicLines, basicRefs, updateLines, updateRefs, partialUpdateLines);
});
describe('SegmentList w/ SegmentTimeline', function() {
var basicLines = [
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentTimeline>',
' <S d="10" t="0" />',
' <S d="5" />',
' <S d="15" />',
' </SegmentTimeline>',
'</SegmentList>'
];
var basicRefs = [
shaka.test.ManifestParser.makeReference('s1.mp4', 1, 0, 10, originalUri),
shaka.test.ManifestParser.makeReference('s2.mp4', 2, 10, 15, originalUri),
shaka.test.ManifestParser.makeReference('s3.mp4', 3, 15, 30, originalUri)
];
var updateLines = [
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
' <SegmentTimeline>',
' <S d="10" t="0" />',
' <S d="5" />',
' <S d="15" />',
' <S d="10" />',
' </SegmentTimeline>',
'</SegmentList>'
];
var updateRefs = [
shaka.test.ManifestParser.makeReference('s1.mp4', 1, 0, 10, originalUri),
shaka.test.ManifestParser.makeReference('s2.mp4', 2, 10, 15, originalUri),
shaka.test.ManifestParser.makeReference('s3.mp4', 3, 15, 30, originalUri),
shaka.test.ManifestParser.makeReference('s4.mp4', 4, 30, 40, originalUri)
];
var partialUpdateLines = [
'<SegmentList startNumber="3">',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
' <SegmentTimeline>',
' <S d="15" t="15" />',
' <S d="10" />',
' </SegmentTimeline>',
'</SegmentList>'
];
testCommonBehaviors(
basicLines, basicRefs, updateLines, updateRefs, partialUpdateLines);
});
describe('SegmentList w/ @duration', function() {
var basicLines = [
'<SegmentList duration="10">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
'</SegmentList>'
];
var basicRefs = [
shaka.test.ManifestParser.makeReference('s1.mp4', 1, 0, 10, originalUri),
shaka.test.ManifestParser.makeReference('s2.mp4', 2, 10, 20, originalUri),
shaka.test.ManifestParser.makeReference('s3.mp4', 3, 20, 30, originalUri)
];
var updateLines = [
'<SegmentList duration="10">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
'</SegmentList>'
];
var updateRefs = [
shaka.test.ManifestParser.makeReference('s1.mp4', 1, 0, 10, originalUri),
shaka.test.ManifestParser.makeReference('s2.mp4', 2, 10, 20, originalUri),
shaka.test.ManifestParser.makeReference('s3.mp4', 3, 20, 30, originalUri),
shaka.test.ManifestParser.makeReference('s4.mp4', 4, 30, 40, originalUri)
];
var partialUpdateLines = [
'<SegmentList startNumber="3" duration="10">',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
'</SegmentList>'
];
testCommonBehaviors(
basicLines, basicRefs, updateLines, updateRefs, partialUpdateLines);
});
describe('EventStream', function() {
/** @const */
var originalManifest = [
'<MPD type="dynamic" minimumUpdatePeriod="PT' + updateTime + 'S"',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1" duration="PT60S" start="PT10S">',
' <EventStream schemeIdUri="http://example.com" value="foobar"',
' timescale="100">',
' <Event duration="5000" />',
' <Event id="abc" presentationTime="300" duration="1000" />',
' </EventStream>',
' <AdaptationSet mimeType="video/mp4">',
' <Representation bandwidth="1">',
' <SegmentBase indexRange="100-200" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
/** @type {!jasmine.Spy} */
var onTimelineRegionAddedSpy;
beforeEach(function() {
onTimelineRegionAddedSpy = jasmine.createSpy('onTimelineRegionAdded');
playerInterface.onTimelineRegionAdded =
shaka.test.Util.spyFunc(onTimelineRegionAddedSpy);
});
it('will parse EventStream nodes', function(done) {
fakeNetEngine.setResponseMapAsText({'dummy://foo': originalManifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(onTimelineRegionAddedSpy).toHaveBeenCalledTimes(2);
expect(onTimelineRegionAddedSpy).toHaveBeenCalledWith({
schemeIdUri: 'http://example.com',
value: 'foobar',
startTime: 10,
endTime: 60,
id: '',
eventElement: jasmine.any(Element)
});
expect(onTimelineRegionAddedSpy).toHaveBeenCalledWith({
schemeIdUri: 'http://example.com',
value: 'foobar',
startTime: 13,
endTime: 23,
id: 'abc',
eventElement: jasmine.any(Element)
});
})
.catch(fail)
.then(done);
shaka.polyfill.Promise.flush();
});
it('will add timeline regions on manifest update', function(done) {
var newManifest = [
'<MPD type="dynamic" minimumUpdatePeriod="PT' + updateTime + 'S"',
' availabilityStartTime="1970-01-01T00:00:00Z">',
' <Period id="1" duration="PT30S">',
' <EventStream schemeIdUri="http://example.com" timescale="100">',
' <Event id="100" />',
' </EventStream>',
' <AdaptationSet mimeType="video/mp4">',
' <Representation bandwidth="1">',
' <SegmentBase indexRange="100-200" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
fakeNetEngine.setResponseMapAsText({'dummy://foo': originalManifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(onTimelineRegionAddedSpy).toHaveBeenCalledTimes(2);
onTimelineRegionAddedSpy.calls.reset();
fakeNetEngine.setResponseMapAsText({'dummy://foo': newManifest});
delayForUpdatePeriod();
expect(onTimelineRegionAddedSpy).toHaveBeenCalledTimes(1);
})
.catch(fail)
.then(done);
shaka.polyfill.Promise.flush();
});
it('will not let an event exceed the Period duration', function(done) {
var newManifest = [
'<MPD>',
' <Period id="1" duration="PT30S">',
' <EventStream schemeIdUri="http://example.com" timescale="1">',
' <Event presentationTime="10" duration="15"/>',
' <Event presentationTime="25" duration="50"/>',
' <Event presentationTime="50" duration="10"/>',
' </EventStream>',
' <AdaptationSet mimeType="video/mp4">',
' <Representation bandwidth="1">',
' <SegmentBase indexRange="100-200" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>'
].join('\n');
fakeNetEngine.setResponseMapAsText({'dummy://foo': newManifest});
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(onTimelineRegionAddedSpy).toHaveBeenCalledTimes(3);
expect(onTimelineRegionAddedSpy)
.toHaveBeenCalledWith(
jasmine.objectContaining({startTime: 10, endTime: 25}));
expect(onTimelineRegionAddedSpy)
.toHaveBeenCalledWith(
jasmine.objectContaining({startTime: 25, endTime: 30}));
expect(onTimelineRegionAddedSpy)
.toHaveBeenCalledWith(
jasmine.objectContaining({startTime: 30, endTime: 30}));
})
.catch(fail)
.then(done);
shaka.polyfill.Promise.flush();
});
});
});