Files
shaka-player/test/dash/dash_parser_segment_template_unit.js
T
Joey Parrish fbbd63d96b test: Late load tests, fix Chromecast test flake (#4115)
This change fixes tests on Chromecast by loading tests later in the process.  Test scripts are now dynamically inserted by boot.js, rather than loaded by Karma.  The bootstrapping code then awaits the completion of that before starting the Karma frameworks (Jasmine) to run the tests.

This also removes the use of goog.provide/goog.require in tests and test utils.  We don't need to load test utils or library sources dynamically in each test, and this gives us more explicit control over script loading and ordering.

Closes #4094
2022-04-11 15:47:48 -07:00

581 lines
23 KiB
JavaScript

/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
describe('DashParser SegmentTemplate', () => {
const Dash = shaka.test.Dash;
const ManifestParser = shaka.test.ManifestParser;
const baseUri = 'http://example.com/';
const mp4IndexSegmentUri = '/base/test/test/assets/index-segment.mp4';
const webmIndexSegmentUri = '/base/test/test/assets/index-segment.webm';
const webmInitSegmentUri = '/base/test/test/assets/init-segment.webm';
/** @type {!shaka.test.FakeNetworkingEngine} */
let fakeNetEngine;
/** @type {!shaka.dash.DashParser} */
let parser;
/** @type {shaka.extern.ManifestParser.PlayerInterface} */
let playerInterface;
/** @type {!ArrayBuffer} */
let mp4Index;
/** @type {!ArrayBuffer} */
let webmIndex;
/** @type {!ArrayBuffer} */
let webmInit;
beforeAll(async () => {
mp4Index = await shaka.test.Util.fetch(mp4IndexSegmentUri);
webmIndex = await shaka.test.Util.fetch(webmIndexSegmentUri);
webmInit = await shaka.test.Util.fetch(webmInitSegmentUri);
});
beforeEach(() => {
fakeNetEngine = new shaka.test.FakeNetworkingEngine();
parser = shaka.test.Dash.makeDashParser();
playerInterface = {
networkingEngine: fakeNetEngine,
modifyManifestRequest: (request, manifestInfo) => {},
modifySegmentRequest: (request, segmentInfo) => {},
filter: (manifest) => Promise.resolve(),
makeTextStreamsForClosedCaptions: (manifest) => {},
onTimelineRegionAdded: fail, // Should not have any EventStream elements.
onEvent: fail,
onError: fail,
isLowLatencyMode: () => false,
isAutoLowLatencyMode: () => false,
enableLowLatencyMode: () => {},
};
});
shaka.test.Dash.makeTimelineTests(
'SegmentTemplate', 'media="s$Number$.mp4"', []);
describe('duration', () => {
it('basic support', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" media="s$Number$.mp4"',
' duration="10" />',
], /* duration= */ 60);
const references = [
ManifestParser.makeReference('s1.mp4', 0, 10, baseUri),
ManifestParser.makeReference('s2.mp4', 10, 20, baseUri),
ManifestParser.makeReference('s3.mp4', 20, 30, baseUri),
ManifestParser.makeReference('s4.mp4', 30, 40, baseUri),
ManifestParser.makeReference('s5.mp4', 40, 50, baseUri),
ManifestParser.makeReference('s6.mp4', 50, 60, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startNumber > 1', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="10" media="s$Number$.mp4"',
' duration="10" />',
], /* duration= */ 30);
const references = [
ManifestParser.makeReference('s10.mp4', 0, 10, baseUri),
ManifestParser.makeReference('s11.mp4', 10, 20, baseUri),
ManifestParser.makeReference('s12.mp4', 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('honors presentationTimeOffset', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="10"',
' presentationTimeOffset="50" />',
], /* duration= */ 30, /* startTime= */ 40);
fakeNetEngine.setResponseText('dummy://foo', source);
const manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest.variants.length).toBe(1);
const stream = manifest.variants[0].video;
expect(stream).toBeTruthy();
await stream.createSegmentIndex();
const expectedRef1 = ManifestParser.makeReference(
's1.mp4', 40, 50, baseUri);
expectedRef1.timestampOffset = -10;
const expectedRef2 = ManifestParser.makeReference(
's2.mp4', 50, 60, baseUri);
expectedRef2.timestampOffset = -10;
const iterator = stream.segmentIndex[Symbol.iterator]();
const ref1 = iterator.seek(45);
const ref2 = iterator.seek(55);
expect(ref1).toEqual(expectedRef1);
expect(ref2).toEqual(expectedRef2);
});
it('handles segments larger than the period', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="60" />',
], /* duration= */ 30);
// The first segment is number 1 and position 0.
// Although the segment is 60 seconds long, it is clipped to the period
// duration of 30 seconds.
const ref = ManifestParser.makeReference('s1.mp4', 0, 30, baseUri);
ref.trueEndTime = 60;
const references = [ref];
await Dash.testSegmentIndex(source, references);
});
it('presentation start is parsed correctly', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="60" />',
], /* duration= */ 30, /* startTime= */ 30);
fakeNetEngine.setResponseText('dummy://foo', source);
const manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest.presentationTimeline.getSeekRangeStart()).toBe(30);
});
it('limits segment count for Live', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="1" />',
]);
const config = shaka.util.PlayerConfiguration.createDefault().manifest;
config.dash.initialSegmentLimit = 100;
parser.configure(config);
fakeNetEngine.setResponseText('dummy://foo', source);
const manifest = await parser.start('dummy://foo', playerInterface);
const stream = manifest.variants[0].video;
await stream.createSegmentIndex();
goog.asserts.assert(stream.segmentIndex, 'Should have created index');
const segments = Array.from(stream.segmentIndex);
expect(segments.length).toBe(config.dash.initialSegmentLimit);
});
it('doesn\'t limit segment count for VOD', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="1" />',
], /* duration= */ 200);
const config = shaka.util.PlayerConfiguration.createDefault().manifest;
config.dash.initialSegmentLimit = 100;
parser.configure(config);
fakeNetEngine.setResponseText('dummy://foo', source);
const manifest = await parser.start('dummy://foo', playerInterface);
const stream = manifest.variants[0].video;
await stream.createSegmentIndex();
goog.asserts.assert(stream.segmentIndex, 'Should have created index');
const segments = Array.from(stream.segmentIndex);
expect(segments.length).toBe(200);
});
});
describe('index', () => {
it('basic support', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
' initialization="init-$Bandwidth$.mp4" />',
]);
fakeNetEngine
.setResponseText('dummy://foo', source)
.setResponseValue('http://example.com/index-500.mp4', mp4Index);
const manifest = await parser.start('dummy://foo', playerInterface);
const segmentReference =
await Dash.getFirstVideoSegmentReference(manifest);
const initSegmentReference = segmentReference.initSegmentReference;
expect(initSegmentReference.getUris()).toEqual(
['http://example.com/init-500.mp4']);
expect(initSegmentReference.getStartByte()).toBe(0);
expect(initSegmentReference.getEndByte()).toBe(null);
expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
it('defaults to index with multiple segment sources', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
' initialization="init-$Bandwidth$.mp4">',
' <SegmentTimeline>',
' <S t="0" d="3" r="12" />',
' </SegmentTimeline>',
'</SegmentTemplate>',
]);
fakeNetEngine
.setResponseText('dummy://foo', source)
.setResponseValue('http://example.com/index-500.mp4', mp4Index);
const manifest = await parser.start('dummy://foo', playerInterface);
const segmentReference =
await Dash.getFirstVideoSegmentReference(manifest);
const initSegmentReference = segmentReference.initSegmentReference;
expect(initSegmentReference.getUris()).toEqual(
['http://example.com/init-500.mp4']);
expect(initSegmentReference.getStartByte()).toBe(0);
expect(initSegmentReference.getEndByte()).toBe(null);
expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
it('requests init data for WebM', async () => {
const source = [
'<MPD mediaPresentationDuration="PT75S">',
' <Period>',
' <BaseURL>http://example.com</BaseURL>',
' <AdaptationSet mimeType="video/webm">',
' <Representation bandwidth="500">',
' <SegmentTemplate startNumber="1"',
' index="index-$Bandwidth$.webm"',
' initialization="init-$Bandwidth$.webm" />',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
fakeNetEngine
.setResponseText('dummy://foo', source)
.setResponseValue('http://example.com/index-500.webm', webmIndex)
.setResponseValue('http://example.com/init-500.webm', webmInit);
const manifest = await parser.start('dummy://foo', playerInterface);
const segmentReference =
await Dash.getFirstVideoSegmentReference(manifest);
const initSegmentReference = segmentReference.initSegmentReference;
expect(initSegmentReference.getUris()).toEqual(
['http://example.com/init-500.webm']);
expect(initSegmentReference.getStartByte()).toBe(0);
expect(initSegmentReference.getEndByte()).toBe(null);
expect(fakeNetEngine.request).toHaveBeenCalledTimes(3);
fakeNetEngine.expectRangeRequest(
'http://example.com/init-500.webm', 0, null);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.webm', 0, null);
});
it('inherits from Period', async () => {
const source = [
'<MPD mediaPresentationDuration="PT75S">',
' <Period>',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
' initialization="init-$Bandwidth$.mp4" />',
' <AdaptationSet mimeType="video/mp4">',
' <Representation bandwidth="500" />',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
fakeNetEngine
.setResponseText('dummy://foo', source)
.setResponseValue('http://example.com/index-500.mp4', mp4Index);
const manifest = await parser.start('dummy://foo', playerInterface);
const segmentReference =
await Dash.getFirstVideoSegmentReference(manifest);
const initSegmentReference = segmentReference.initSegmentReference;
expect(initSegmentReference.getUris()).toEqual(
['http://example.com/init-500.mp4']);
expect(initSegmentReference.getStartByte()).toBe(0);
expect(initSegmentReference.getEndByte()).toBe(null);
expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
it('inherits from AdaptationSet', async () => {
const source = [
'<MPD mediaPresentationDuration="PT75S">',
' <Period>',
' <AdaptationSet mimeType="video/mp4">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
' initialization="init-$Bandwidth$.mp4" />',
' <Representation bandwidth="500" />',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
fakeNetEngine
.setResponseText('dummy://foo', source)
.setResponseValue('http://example.com/index-500.mp4', mp4Index);
const manifest = await parser.start('dummy://foo', playerInterface);
const segmentReference =
await Dash.getFirstVideoSegmentReference(manifest);
const initSegmentReference = segmentReference.initSegmentReference;
expect(initSegmentReference.getUris()).toEqual(
['http://example.com/init-500.mp4']);
expect(initSegmentReference.getStartByte()).toBe(0);
expect(initSegmentReference.getEndByte()).toBe(null);
expect(fakeNetEngine.request).toHaveBeenCalledTimes(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
});
describe('media template', () => {
it('defaults to timeline when also has duration', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="0" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4">',
' <SegmentTimeline>',
' <S t="0" d="15" r="2" />',
' </SegmentTimeline>',
'</SegmentTemplate>',
], /* duration= */ 45);
const references = [
ManifestParser.makeReference('0-0-500.mp4', 0, 15, baseUri),
ManifestParser.makeReference('1-15-500.mp4', 15, 30, baseUri),
ManifestParser.makeReference('2-30-500.mp4', 30, 45, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('uses PTO with t attribute missing', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="0" presentationTimeOffset="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4">',
' <SegmentTimeline>',
' <S d="15" r="2" />',
' </SegmentTimeline>',
'</SegmentTemplate>',
], /* duration= */ 35);
const references = [
ManifestParser.makeReference('0-0-500.mp4', -10, 5, baseUri),
ManifestParser.makeReference('1-15-500.mp4', 5, 20, baseUri),
ManifestParser.makeReference('2-30-500.mp4', 20, 35, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startnumber = 0', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="0" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], /* duration= */ 30);
const references = [
ManifestParser.makeReference('0-0-500.mp4', 0, 10, baseUri),
ManifestParser.makeReference('1-10-500.mp4', 10, 20, baseUri),
ManifestParser.makeReference('2-20-500.mp4', 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startNumber = 1', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], /* duration= */ 30);
const references = [
ManifestParser.makeReference('1-0-500.mp4', 0, 10, baseUri),
ManifestParser.makeReference('2-10-500.mp4', 10, 20, baseUri),
ManifestParser.makeReference('3-20-500.mp4', 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startNumber > 1', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="10" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], /* duration= */ 30);
const references = [
ManifestParser.makeReference('10-0-500.mp4', 0, 10, baseUri),
ManifestParser.makeReference('11-10-500.mp4', 10, 20, baseUri),
ManifestParser.makeReference('12-20-500.mp4', 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @timescale > 1', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" timescale="9000" duration="9000"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], /* duration= */ 3);
const references = [
ManifestParser.makeReference('1-0-500.mp4', 0, 1, baseUri),
ManifestParser.makeReference('2-9000-500.mp4', 1, 2, baseUri),
ManifestParser.makeReference('3-18000-500.mp4', 2, 3, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('across representations', async () => {
const source = [
'<MPD>',
' <Period duration="PT60S">',
' <AdaptationSet mimeType="video/webm">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentTemplate startNumber="1" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
' <Representation bandwidth="100" />',
' <Representation bandwidth="200" />',
' <Representation bandwidth="300" />',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
fakeNetEngine.setResponseText('dummy://foo', source);
const actual = await parser.start('dummy://foo', playerInterface);
expect(actual).toBeTruthy();
const variants = actual.variants;
expect(variants.length).toBe(3);
await variants[0].video.createSegmentIndex();
await variants[1].video.createSegmentIndex();
await variants[2].video.createSegmentIndex();
const getRefAt = (stream, time) => {
return stream.segmentIndex[Symbol.iterator]().seek(time);
};
expect(getRefAt(variants[0].video, 0)).toEqual(
ManifestParser.makeReference('1-0-100.mp4', 0, 10, baseUri));
expect(getRefAt(variants[0].video, 12)).toEqual(
ManifestParser.makeReference('2-10-100.mp4', 10, 20, baseUri));
expect(getRefAt(variants[1].video, 0)).toEqual(
ManifestParser.makeReference('1-0-200.mp4', 0, 10, baseUri));
expect(getRefAt(variants[1].video, 12)).toEqual(
ManifestParser.makeReference('2-10-200.mp4', 10, 20, baseUri));
expect(getRefAt(variants[2].video, 0)).toEqual(
ManifestParser.makeReference('1-0-300.mp4', 0, 10, baseUri));
expect(getRefAt(variants[2].video, 12)).toEqual(
ManifestParser.makeReference('2-10-300.mp4', 10, 20, baseUri));
});
it('create correct Uris when multiple representations', async () => {
const source = [
'<MPD>',
' <Period duration="PT60S">',
' <AdaptationSet mimeType="video/webm">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentTemplate timescale="1000"',
' initialization="segment-$RepresentationID$.dash"',
' media="segment-$RepresentationID$-$Time$.dash">',
' <SegmentTimeline>',
' <S t="0" d="6000" r="1176" />',
' <S d="4520" />',
' </SegmentTimeline>',
' </SegmentTemplate>',
' <Representation id="test1" bandwidth="100" />',
' <Representation id="test2" bandwidth="200" />',
' <Representation id="test3" bandwidth="300" />',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
fakeNetEngine.setResponseText('dummy://foo', source);
const actual = await parser.start('dummy://foo', playerInterface);
expect(actual).toBeTruthy();
const variants = actual.variants;
expect(variants.length).toBe(3);
await variants[0].video.createSegmentIndex();
await variants[1].video.createSegmentIndex();
await variants[2].video.createSegmentIndex();
const firstSegment = (variant) => {
return Array.from(variant.video.segmentIndex)[0];
};
expect(firstSegment(variants[0]).getUris()).toEqual(
['http://example.com/segment-test1-0.dash']);
expect(firstSegment(variants[1]).getUris()).toEqual(
['http://example.com/segment-test2-0.dash']);
expect(firstSegment(variants[2]).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);
});
});
});