mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-21 17:07:09 +03:00
Joey Parrish
99de217c23
This removes periods from the internal manifest structure and cleans up code and tests accordingly. This leaves us unable to play multi-period DASH & offline streams until the main period-flattening algorithm is completed in shaka.util.Periods. Three test cases have been disabled for the moment. Multi-period playback will be restored in a smaller, more focused follow-up commit, with disabled tests re-enabled. Issue #1339 (flatten periods) Issue #1698 (rapid period transitions issue) Issue #856 (audio change causes bitrate change) Closes #892 (refactor StreamingEngine) Change-Id: I0cbf3b56bfdb51add15229df323b902f0b2e643a
519 lines
20 KiB
JavaScript
519 lines
20 KiB
JavaScript
/** @license
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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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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filter: (manifest) => {},
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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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], /* duration= */ 60);
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const references = [
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ManifestParser.makeReference('s1.mp4', 0, 10, baseUri),
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ManifestParser.makeReference('s2.mp4', 10, 20, baseUri),
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ManifestParser.makeReference('s3.mp4', 20, 30, baseUri),
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ManifestParser.makeReference('s4.mp4', 30, 40, baseUri),
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ManifestParser.makeReference('s5.mp4', 40, 50, baseUri),
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ManifestParser.makeReference('s6.mp4', 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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], /* duration= */ 30);
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const references = [
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ManifestParser.makeReference('s10.mp4', 0, 10, baseUri),
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ManifestParser.makeReference('s11.mp4', 10, 20, baseUri),
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ManifestParser.makeReference('s12.mp4', 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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], /* duration= */ 30, /* startTime= */ 40);
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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.variants.length).toBe(1);
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const stream = manifest.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', 40, 50, baseUri);
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expectedRef1.timestampOffset = -10;
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const expectedRef2 = ManifestParser.makeReference(
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's2.mp4', 50, 60, baseUri);
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expectedRef2.timestampOffset = -10;
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const pos1 = stream.segmentIndex.find(45);
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const pos2 = stream.segmentIndex.find(55);
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expect(stream.segmentIndex.get(pos1)).toEqual(expectedRef1);
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expect(stream.segmentIndex.get(pos2)).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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], /* duration= */ 30);
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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, 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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], /* duration= */ 30, /* 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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], /* duration= */ 45);
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const references = [
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ManifestParser.makeReference('0-0-500.mp4', 0, 15, baseUri),
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ManifestParser.makeReference('1-15-500.mp4', 15, 30, baseUri),
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ManifestParser.makeReference('2-30-500.mp4', 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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], /* duration= */ 30);
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const references = [
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ManifestParser.makeReference('0-0-500.mp4', 0, 10, baseUri),
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ManifestParser.makeReference('1-10-500.mp4', 10, 20, baseUri),
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ManifestParser.makeReference('2-20-500.mp4', 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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], /* duration= */ 30);
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const references = [
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ManifestParser.makeReference('1-0-500.mp4', 0, 10, baseUri),
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ManifestParser.makeReference('2-10-500.mp4', 10, 20, baseUri),
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ManifestParser.makeReference('3-20-500.mp4', 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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], /* duration= */ 30);
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const references = [
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ManifestParser.makeReference('10-0-500.mp4', 0, 10, baseUri),
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ManifestParser.makeReference('11-10-500.mp4', 10, 20, baseUri),
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ManifestParser.makeReference('12-20-500.mp4', 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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], /* duration= */ 3);
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const references = [
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ManifestParser.makeReference('1-0-500.mp4', 0, 1, baseUri),
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ManifestParser.makeReference('2-9000-500.mp4', 1, 2, baseUri),
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ManifestParser.makeReference('3-18000-500.mp4', 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.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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const getRefAt = (stream, time) => {
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return stream.segmentIndex[Symbol.iterator]().seek(time);
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};
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expect(getRefAt(variants[0].video, 0)).toEqual(
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ManifestParser.makeReference('1-0-100.mp4', 0, 10, baseUri));
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expect(getRefAt(variants[0].video, 12)).toEqual(
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ManifestParser.makeReference('2-10-100.mp4', 10, 20, baseUri));
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expect(getRefAt(variants[1].video, 0)).toEqual(
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ManifestParser.makeReference('1-0-200.mp4', 0, 10, baseUri));
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expect(getRefAt(variants[1].video, 12)).toEqual(
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ManifestParser.makeReference('2-10-200.mp4', 10, 20, baseUri));
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expect(getRefAt(variants[2].video, 0)).toEqual(
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ManifestParser.makeReference('1-0-300.mp4', 0, 10, baseUri));
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expect(getRefAt(variants[2].video, 12)).toEqual(
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ManifestParser.makeReference('2-10-300.mp4', 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.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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const firstSegment = (variant) => {
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return Array.from(variant.video.segmentIndex)[0];
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};
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expect(firstSegment(variants[0]).getUris()).toEqual(
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['http://example.com/segment-test1-0.dash']);
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expect(firstSegment(variants[1]).getUris()).toEqual(
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['http://example.com/segment-test2-0.dash']);
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expect(firstSegment(variants[2]).getUris()).toEqual(
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['http://example.com/segment-test3-0.dash']);
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});
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});
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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);
|
|
});
|
|
});
|
|
});
|
|
|