mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-24 17:35:10 +03:00
Joey Parrish
7fe97b841b
To prepare for flattening out the manifest structure to remove periods, this change moves initSegmentReference and presentationTimeOffset fields into the SegmentReference object. This way, the segments on either side of a period transition or HLS discontinuity can have different offsets or init segments, eventually allowing us to create a single array of SegmentReferences for multi-period content. Issue #1339 Change-Id: Ic7eff0483789644881247ecf8044c5fb6a48f0e6
527 lines
21 KiB
JavaScript
527 lines
21 KiB
JavaScript
/**
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* @license
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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describe('DashParser SegmentTemplate', () => {
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const Dash = shaka.test.Dash;
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const ManifestParser = shaka.test.ManifestParser;
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const baseUri = 'http://example.com/';
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const mp4IndexSegmentUri = '/base/test/test/assets/index-segment.mp4';
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const webmIndexSegmentUri = '/base/test/test/assets/index-segment.webm';
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const webmInitSegmentUri = '/base/test/test/assets/init-segment.webm';
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/** @type {!shaka.test.FakeNetworkingEngine} */
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let fakeNetEngine;
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/** @type {!shaka.dash.DashParser} */
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let parser;
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/** @type {shaka.extern.ManifestParser.PlayerInterface} */
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let playerInterface;
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/** @type {!ArrayBuffer} */
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let mp4Index;
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/** @type {!ArrayBuffer} */
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let webmIndex;
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/** @type {!ArrayBuffer} */
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let webmInit;
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beforeAll(async () => {
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mp4Index = await shaka.test.Util.fetch(mp4IndexSegmentUri);
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webmIndex = await shaka.test.Util.fetch(webmIndexSegmentUri);
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webmInit = await shaka.test.Util.fetch(webmInitSegmentUri);
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});
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beforeEach(() => {
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fakeNetEngine = new shaka.test.FakeNetworkingEngine();
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parser = shaka.test.Dash.makeDashParser();
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playerInterface = {
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networkingEngine: fakeNetEngine,
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filterNewPeriod: () => {},
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filterAllPeriods: () => {},
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onTimelineRegionAdded: fail, // Should not have any EventStream elements.
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onEvent: fail,
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onError: fail,
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};
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});
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shaka.test.Dash.makeTimelineTests(
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'SegmentTemplate', 'media="s$Number$.mp4"', []);
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describe('duration', () => {
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it('basic support', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="1" media="s$Number$.mp4"',
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' duration="10" />',
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], 60 /* duration */);
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const references = [
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ManifestParser.makeReference('s1.mp4', 0, 0, 10, baseUri),
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ManifestParser.makeReference('s2.mp4', 1, 10, 20, baseUri),
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ManifestParser.makeReference('s3.mp4', 2, 20, 30, baseUri),
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ManifestParser.makeReference('s4.mp4', 3, 30, 40, baseUri),
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ManifestParser.makeReference('s5.mp4', 4, 40, 50, baseUri),
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ManifestParser.makeReference('s6.mp4', 5, 50, 60, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('with @startNumber > 1', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="10" media="s$Number$.mp4"',
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' duration="10" />',
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], 30 /* duration */);
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const references = [
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ManifestParser.makeReference('s10.mp4', 0, 0, 10, baseUri),
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ManifestParser.makeReference('s11.mp4', 1, 10, 20, baseUri),
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ManifestParser.makeReference('s12.mp4', 2, 20, 30, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('honors presentationTimeOffset', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate media="s$Number$.mp4" duration="10"',
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' presentationTimeOffset="50" />',
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], 30 /* duration */);
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fakeNetEngine.setResponseText('dummy://foo', source);
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const manifest = await parser.start('dummy://foo', playerInterface);
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expect(manifest.periods.length).toBe(1);
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expect(manifest.periods[0].variants.length).toBe(1);
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const stream = manifest.periods[0].variants[0].video;
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expect(stream).toBeTruthy();
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await stream.createSegmentIndex();
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const expectedRef1 = ManifestParser.makeReference(
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's1.mp4', 0, 0, 10, baseUri);
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expectedRef1.presentationTimeOffset = 50;
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const expectedRef2 = ManifestParser.makeReference(
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's2.mp4', 1, 10, 20, baseUri);
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expectedRef2.presentationTimeOffset = 50;
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expect(stream.segmentIndex.get(0)).toEqual(expectedRef1);
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expect(stream.segmentIndex.get(1)).toEqual(expectedRef2);
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});
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it('handles segments larger than the period', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate media="s$Number$.mp4" duration="60" />',
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], 30 /* duration */);
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// The first segment is number 1 and position 0.
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// Although the segment is 60 seconds long, it is clipped to the period
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// duration of 30 seconds.
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const references = [
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ManifestParser.makeReference('s1.mp4', 0, 0, 30, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('presentation start is parsed correctly', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate media="s$Number$.mp4" duration="60" />',
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], 30 /* duration */, /* startTime */ 30);
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fakeNetEngine.setResponseText('dummy://foo', source);
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const manifest = await parser.start('dummy://foo', playerInterface);
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expect(manifest.presentationTimeline.getSeekRangeStart()).toBe(30);
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});
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});
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describe('index', () => {
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it('basic support', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
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' initialization="init-$Bandwidth$.mp4" />',
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]);
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fakeNetEngine
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.setResponseText('dummy://foo', source)
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.setResponseValue('http://example.com/index-500.mp4', mp4Index);
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const manifest = await parser.start('dummy://foo', playerInterface);
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const segmentReference =
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await Dash.getFirstVideoSegmentReference(manifest);
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const initSegmentReference = segmentReference.initSegmentReference;
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expect(initSegmentReference.getUris()).toEqual(
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['http://example.com/init-500.mp4']);
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expect(initSegmentReference.getStartByte()).toBe(0);
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expect(initSegmentReference.getEndByte()).toBe(null);
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expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
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fakeNetEngine.expectRangeRequest(
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'http://example.com/index-500.mp4', 0, null);
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});
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it('defaults to index with multiple segment sources', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
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' initialization="init-$Bandwidth$.mp4">',
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' <SegmentTimeline>',
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' <S t="0" d="3" r="12" />',
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' </SegmentTimeline>',
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'</SegmentTemplate>',
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]);
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fakeNetEngine
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.setResponseText('dummy://foo', source)
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.setResponseValue('http://example.com/index-500.mp4', mp4Index);
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const manifest = await parser.start('dummy://foo', playerInterface);
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const segmentReference =
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await Dash.getFirstVideoSegmentReference(manifest);
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const initSegmentReference = segmentReference.initSegmentReference;
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expect(initSegmentReference.getUris()).toEqual(
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['http://example.com/init-500.mp4']);
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expect(initSegmentReference.getStartByte()).toBe(0);
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expect(initSegmentReference.getEndByte()).toBe(null);
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expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
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fakeNetEngine.expectRangeRequest(
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'http://example.com/index-500.mp4', 0, null);
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});
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it('requests init data for WebM', async () => {
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const source = [
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'<MPD mediaPresentationDuration="PT75S">',
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' <Period>',
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' <BaseURL>http://example.com</BaseURL>',
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' <AdaptationSet mimeType="video/webm">',
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' <Representation bandwidth="500">',
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' <SegmentTemplate startNumber="1"',
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' index="index-$Bandwidth$.webm"',
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' initialization="init-$Bandwidth$.webm" />',
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' </Representation>',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>',
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].join('\n');
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fakeNetEngine
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.setResponseText('dummy://foo', source)
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.setResponseValue('http://example.com/index-500.webm', webmIndex)
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.setResponseValue('http://example.com/init-500.webm', webmInit);
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const manifest = await parser.start('dummy://foo', playerInterface);
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const segmentReference =
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await Dash.getFirstVideoSegmentReference(manifest);
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const initSegmentReference = segmentReference.initSegmentReference;
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expect(initSegmentReference.getUris()).toEqual(
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['http://example.com/init-500.webm']);
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expect(initSegmentReference.getStartByte()).toBe(0);
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expect(initSegmentReference.getEndByte()).toBe(null);
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expect(fakeNetEngine.request).toHaveBeenCalledTimes(3);
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fakeNetEngine.expectRangeRequest(
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'http://example.com/init-500.webm', 0, null);
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fakeNetEngine.expectRangeRequest(
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'http://example.com/index-500.webm', 0, null);
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});
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it('inherits from Period', async () => {
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const source = [
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'<MPD mediaPresentationDuration="PT75S">',
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' <Period>',
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' <BaseURL>http://example.com</BaseURL>',
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' <SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
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' initialization="init-$Bandwidth$.mp4" />',
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' <AdaptationSet mimeType="video/mp4">',
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' <Representation bandwidth="500" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>',
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].join('\n');
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fakeNetEngine
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.setResponseText('dummy://foo', source)
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.setResponseValue('http://example.com/index-500.mp4', mp4Index);
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const manifest = await parser.start('dummy://foo', playerInterface);
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const segmentReference =
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await Dash.getFirstVideoSegmentReference(manifest);
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const initSegmentReference = segmentReference.initSegmentReference;
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expect(initSegmentReference.getUris()).toEqual(
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['http://example.com/init-500.mp4']);
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expect(initSegmentReference.getStartByte()).toBe(0);
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expect(initSegmentReference.getEndByte()).toBe(null);
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expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
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fakeNetEngine.expectRangeRequest(
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'http://example.com/index-500.mp4', 0, null);
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});
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it('inherits from AdaptationSet', async () => {
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const source = [
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'<MPD mediaPresentationDuration="PT75S">',
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' <Period>',
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' <AdaptationSet mimeType="video/mp4">',
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' <BaseURL>http://example.com</BaseURL>',
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' <SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
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' initialization="init-$Bandwidth$.mp4" />',
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' <Representation bandwidth="500" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>',
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].join('\n');
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fakeNetEngine
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.setResponseText('dummy://foo', source)
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.setResponseValue('http://example.com/index-500.mp4', mp4Index);
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const manifest = await parser.start('dummy://foo', playerInterface);
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const segmentReference =
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await Dash.getFirstVideoSegmentReference(manifest);
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const initSegmentReference = segmentReference.initSegmentReference;
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expect(initSegmentReference.getUris()).toEqual(
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['http://example.com/init-500.mp4']);
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expect(initSegmentReference.getStartByte()).toBe(0);
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expect(initSegmentReference.getEndByte()).toBe(null);
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expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
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fakeNetEngine.expectRangeRequest(
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'http://example.com/index-500.mp4', 0, null);
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});
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});
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describe('media template', () => {
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it('defaults to timeline when also has duration', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="0" duration="10"',
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' media="$Number$-$Time$-$Bandwidth$.mp4">',
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' <SegmentTimeline>',
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' <S t="0" d="15" r="2" />',
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' </SegmentTimeline>',
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'</SegmentTemplate>',
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], 45 /* duration */);
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const references = [
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ManifestParser.makeReference('0-0-500.mp4', 0, 0, 15, baseUri),
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ManifestParser.makeReference('1-15-500.mp4', 1, 15, 30, baseUri),
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ManifestParser.makeReference('2-30-500.mp4', 2, 30, 45, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('with @startnumber = 0', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="0" duration="10"',
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' media="$Number$-$Time$-$Bandwidth$.mp4" />',
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], 30 /* duration */);
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const references = [
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ManifestParser.makeReference('0-0-500.mp4', 0, 0, 10, baseUri),
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ManifestParser.makeReference('1-10-500.mp4', 1, 10, 20, baseUri),
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ManifestParser.makeReference('2-20-500.mp4', 2, 20, 30, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('with @startNumber = 1', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="1" duration="10"',
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' media="$Number$-$Time$-$Bandwidth$.mp4" />',
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], 30 /* duration */);
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const references = [
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ManifestParser.makeReference('1-0-500.mp4', 0, 0, 10, baseUri),
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ManifestParser.makeReference('2-10-500.mp4', 1, 10, 20, baseUri),
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ManifestParser.makeReference('3-20-500.mp4', 2, 20, 30, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('with @startNumber > 1', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="10" duration="10"',
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' media="$Number$-$Time$-$Bandwidth$.mp4" />',
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], 30 /* duration */);
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const references = [
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ManifestParser.makeReference('10-0-500.mp4', 0, 0, 10, baseUri),
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ManifestParser.makeReference('11-10-500.mp4', 1, 10, 20, baseUri),
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ManifestParser.makeReference('12-20-500.mp4', 2, 20, 30, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('with @timescale > 1', async () => {
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const source = Dash.makeSimpleManifestText([
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'<SegmentTemplate startNumber="1" timescale="9000" duration="9000"',
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' media="$Number$-$Time$-$Bandwidth$.mp4" />',
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], 3 /* duration */);
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const references = [
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ManifestParser.makeReference('1-0-500.mp4', 0, 0, 1, baseUri),
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ManifestParser.makeReference('2-9000-500.mp4', 1, 1, 2, baseUri),
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ManifestParser.makeReference('3-18000-500.mp4', 2, 2, 3, baseUri),
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];
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await Dash.testSegmentIndex(source, references);
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});
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it('across representations', async () => {
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const source = [
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'<MPD>',
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' <Period duration="PT60S">',
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' <AdaptationSet mimeType="video/webm">',
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' <BaseURL>http://example.com</BaseURL>',
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' <SegmentTemplate startNumber="1" duration="10"',
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' media="$Number$-$Time$-$Bandwidth$.mp4" />',
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' <Representation bandwidth="100" />',
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' <Representation bandwidth="200" />',
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' <Representation bandwidth="300" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>',
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].join('\n');
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fakeNetEngine.setResponseText('dummy://foo', source);
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const actual = await parser.start('dummy://foo', playerInterface);
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expect(actual).toBeTruthy();
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const variants = actual.periods[0].variants;
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expect(variants.length).toBe(3);
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await variants[0].video.createSegmentIndex();
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await variants[1].video.createSegmentIndex();
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await variants[2].video.createSegmentIndex();
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expect(variants[0].video.segmentIndex.find(0)).toBe(0);
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expect(variants[0].video.segmentIndex.get(0)).toEqual(
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ManifestParser.makeReference('1-0-100.mp4', 0, 0, 10, baseUri));
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expect(variants[0].video.segmentIndex.find(12)).toBe(1);
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expect(variants[0].video.segmentIndex.get(1)).toEqual(
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ManifestParser.makeReference('2-10-100.mp4', 1, 10, 20, baseUri));
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expect(variants[1].video.segmentIndex.find(0)).toBe(0);
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expect(variants[1].video.segmentIndex.get(0)).toEqual(
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ManifestParser.makeReference('1-0-200.mp4', 0, 0, 10, baseUri));
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expect(variants[1].video.segmentIndex.find(12)).toBe(1);
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expect(variants[1].video.segmentIndex.get(1)).toEqual(
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ManifestParser.makeReference('2-10-200.mp4', 1, 10, 20, baseUri));
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expect(variants[2].video.segmentIndex.find(0)).toBe(0);
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expect(variants[2].video.segmentIndex.get(0)).toEqual(
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ManifestParser.makeReference('1-0-300.mp4', 0, 0, 10, baseUri));
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expect(variants[2].video.segmentIndex.find(12)).toBe(1);
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expect(variants[2].video.segmentIndex.get(1)).toEqual(
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ManifestParser.makeReference('2-10-300.mp4', 1, 10, 20, baseUri));
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});
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it('create correct Uris when multiple representations', async () => {
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const source = [
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'<MPD>',
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' <Period duration="PT60S">',
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' <AdaptationSet mimeType="video/webm">',
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' <BaseURL>http://example.com</BaseURL>',
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' <SegmentTemplate timescale="1000"',
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' initialization="segment-$RepresentationID$.dash"',
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' media="segment-$RepresentationID$-$Time$.dash">',
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' <SegmentTimeline>',
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' <S t="0" d="6000" r="1176" />',
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' <S d="4520" />',
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' </SegmentTimeline>',
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' </SegmentTemplate>',
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' <Representation id="test1" bandwidth="100" />',
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' <Representation id="test2" bandwidth="200" />',
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' <Representation id="test3" bandwidth="300" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>',
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].join('\n');
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fakeNetEngine.setResponseText('dummy://foo', source);
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const actual = await parser.start('dummy://foo', playerInterface);
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expect(actual).toBeTruthy();
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|
const variants = actual.periods[0].variants;
|
|
expect(variants.length).toBe(3);
|
|
await variants[0].video.createSegmentIndex();
|
|
await variants[1].video.createSegmentIndex();
|
|
await variants[2].video.createSegmentIndex();
|
|
|
|
expect(variants[0].video.segmentIndex.find(2)).toBe(1);
|
|
expect(variants[0].video.segmentIndex.get(1).getUris()).toEqual(['http://example.com/segment-test1-0.dash']);
|
|
expect(variants[1].video.segmentIndex.get(1).getUris()).toEqual(['http://example.com/segment-test2-0.dash']);
|
|
expect(variants[2].video.segmentIndex.get(1).getUris()).toEqual(['http://example.com/segment-test3-0.dash']);
|
|
});
|
|
});
|
|
|
|
describe('rejects streams with', () => {
|
|
it('bad container type', async () => {
|
|
const source = [
|
|
'<MPD mediaPresentationDuration="PT75S">',
|
|
' <Period>',
|
|
' <BaseURL>http://example.com</BaseURL>',
|
|
' <AdaptationSet mimeType="video/cats">',
|
|
' <Representation bandwidth="500">',
|
|
' <SegmentTemplate startNumber="1"',
|
|
' index="index-$Bandwidth$.webm"',
|
|
' initialization="init-$Bandwidth$.webm" />',
|
|
' </Representation>',
|
|
' </AdaptationSet>',
|
|
' </Period>',
|
|
'</MPD>',
|
|
].join('\n');
|
|
const error = new shaka.util.Error(
|
|
shaka.util.Error.Severity.CRITICAL,
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_UNSUPPORTED_CONTAINER);
|
|
await Dash.testFails(source, error);
|
|
});
|
|
|
|
it('no init data with webm', async () => {
|
|
const source = [
|
|
'<MPD>',
|
|
' <Period duration="PT30S">',
|
|
' <BaseURL>http://example.com</BaseURL>',
|
|
' <AdaptationSet mimeType="video/webm">',
|
|
' <Representation bandwidth="500">',
|
|
' <SegmentTemplate startNumber="1"',
|
|
' index="index-$Bandwidth$.webm" />',
|
|
' </Representation>',
|
|
' </AdaptationSet>',
|
|
' </Period>',
|
|
'</MPD>',
|
|
].join('\n');
|
|
const error = new shaka.util.Error(
|
|
shaka.util.Error.Severity.CRITICAL,
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_WEBM_MISSING_INIT);
|
|
await Dash.testFails(source, error);
|
|
});
|
|
|
|
it('not enough segment info', async () => {
|
|
const source = Dash.makeSimpleManifestText([
|
|
'<SegmentTemplate startNumber="1" />',
|
|
]);
|
|
const error = new shaka.util.Error(
|
|
shaka.util.Error.Severity.CRITICAL,
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
|
|
await Dash.testFails(source, error);
|
|
});
|
|
|
|
it('no media template', async () => {
|
|
const source = Dash.makeSimpleManifestText([
|
|
'<SegmentTemplate startNumber="1">',
|
|
' <SegmentTimeline>',
|
|
' <S d="10" />',
|
|
' </SegmentTimeline>',
|
|
'</SegmentTemplate>',
|
|
]);
|
|
const error = new shaka.util.Error(
|
|
shaka.util.Error.Severity.CRITICAL,
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
|
|
await Dash.testFails(source, error);
|
|
});
|
|
});
|
|
});
|
|
|