shaka-player
Version:
DASH/EME video player library
465 lines (416 loc) • 18.3 kB
JavaScript
/**
* @license
* Copyright 2016 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
describe('DashParser SegmentTemplate', function() {
const Dash = shaka.test.Dash;
const ManifestParser = shaka.test.ManifestParser;
const baseUri = 'http://example.com/';
/** @type {!shaka.test.FakeNetworkingEngine} */
let fakeNetEngine;
/** @type {!shaka.dash.DashParser} */
let parser;
/** @type {shaka.extern.ManifestParser.PlayerInterface} */
let playerInterface;
beforeEach(function() {
fakeNetEngine = new shaka.test.FakeNetworkingEngine();
parser = shaka.test.Dash.makeDashParser();
playerInterface = {
networkingEngine: fakeNetEngine,
filterNewPeriod: function() {},
filterAllPeriods: function() {},
onTimelineRegionAdded: fail, // Should not have any EventStream elements.
onEvent: fail,
onError: fail,
};
});
shaka.test.Dash.makeTimelineTests(
'SegmentTemplate', 'media="s$Number$.mp4"', []);
describe('duration', function() {
it('basic support', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" media="s$Number$.mp4"',
' duration="10" />',
], 60 /* duration */);
let references = [
ManifestParser.makeReference('s1.mp4', 0, 0, 10, baseUri),
ManifestParser.makeReference('s2.mp4', 1, 10, 20, baseUri),
ManifestParser.makeReference('s3.mp4', 2, 20, 30, baseUri),
ManifestParser.makeReference('s4.mp4', 3, 30, 40, baseUri),
ManifestParser.makeReference('s5.mp4', 4, 40, 50, baseUri),
ManifestParser.makeReference('s6.mp4', 5, 50, 60, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startNumber > 1', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="10" media="s$Number$.mp4"',
' duration="10" />',
], 30 /* duration */);
let references = [
ManifestParser.makeReference('s10.mp4', 0, 0, 10, baseUri),
ManifestParser.makeReference('s11.mp4', 1, 10, 20, baseUri),
ManifestParser.makeReference('s12.mp4', 2, 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('honors presentationTimeOffset', function(done) {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="10"',
' presentationTimeOffset="50" />',
], 30 /* duration */);
fakeNetEngine.setResponseText('dummy://foo', source);
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest.periods.length).toBe(1);
expect(manifest.periods[0].variants.length).toBe(1);
let stream = manifest.periods[0].variants[0].video;
expect(stream).toBeTruthy();
expect(stream.presentationTimeOffset).toBe(50);
expect(stream.getSegmentReference(0)).toEqual(
ManifestParser.makeReference('s1.mp4', 0, 0, 10, baseUri));
expect(stream.getSegmentReference(1)).toEqual(
ManifestParser.makeReference('s2.mp4', 1, 10, 20, baseUri));
})
.catch(fail).then(done);
});
it('handles segments larger than the period', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="60" />',
], 30 /* duration */);
// 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.
let references = [
ManifestParser.makeReference('s1.mp4', 0, 0, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('presentation start is parsed correctly', function(done) {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate media="s$Number$.mp4" duration="60" />',
], 30 /* duration */, /* startTime */ 30);
fakeNetEngine.setResponseText('dummy://foo', source);
parser.start('dummy://foo', playerInterface)
.then(function(manifest) {
expect(manifest.presentationTimeline.getSeekRangeStart()).toBe(30);
})
.catch(fail).then(done);
});
});
describe('index', function() {
it('basic support', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
' initialization="init-$Bandwidth$.mp4" />',
]);
fakeNetEngine
.setResponseText('dummy://foo', source)
.setResponseText('http://example.com/index-500.mp4', '');
let manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest).toEqual(
Dash.makeManifestFromInit('init-500.mp4', 0, null));
await Dash.callCreateSegmentIndex(manifest);
expect(fakeNetEngine.request.calls.count()).toBe(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
it('defaults to index with multiple segment sources', async () => {
let 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)
.setResponseText('http://example.com/index-500.mp4', '');
let manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest).toEqual(
Dash.makeManifestFromInit('init-500.mp4', 0, null));
await Dash.callCreateSegmentIndex(manifest);
expect(fakeNetEngine.request.calls.count()).toBe(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
it('requests init data for WebM', async () => {
let 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)
.setResponseText('http://example.com/index-500.webm', '')
.setResponseText('http://example.com/init-500.webm', '');
let manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest).toEqual(
Dash.makeManifestFromInit('init-500.webm', 0, null));
await Dash.callCreateSegmentIndex(manifest);
expect(fakeNetEngine.request.calls.count()).toBe(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 () => {
let 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)
.setResponseText('http://example.com/index-500.mp4', '');
let manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest).toEqual(
Dash.makeManifestFromInit('init-500.mp4', 0, null));
await Dash.callCreateSegmentIndex(manifest);
expect(fakeNetEngine.request.calls.count()).toBe(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
it('inherits from AdaptationSet', async () => {
let 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)
.setResponseText('http://example.com/index-500.mp4', '');
let manifest = await parser.start('dummy://foo', playerInterface);
expect(manifest).toEqual(
Dash.makeManifestFromInit('init-500.mp4', 0, null));
await Dash.callCreateSegmentIndex(manifest);
expect(fakeNetEngine.request.calls.count()).toBe(2);
fakeNetEngine.expectRangeRequest(
'http://example.com/index-500.mp4', 0, null);
});
});
describe('media template', function() {
it('defaults to timeline when also has duration', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="0" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4">',
' <SegmentTimeline>',
' <S t="0" d="15" r="2" />',
' </SegmentTimeline>',
'</SegmentTemplate>',
], 45 /* duration */);
let references = [
ManifestParser.makeReference('0-0-500.mp4', 0, 0, 15, baseUri),
ManifestParser.makeReference('1-15-500.mp4', 1, 15, 30, baseUri),
ManifestParser.makeReference('2-30-500.mp4', 2, 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', 0, -10, 5, baseUri),
ManifestParser.makeReference('1-15-500.mp4', 1, 5, 20, baseUri),
ManifestParser.makeReference('2-30-500.mp4', 2, 20, 35, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startnumber = 0', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="0" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], 30 /* duration */);
let references = [
ManifestParser.makeReference('0-0-500.mp4', 0, 0, 10, baseUri),
ManifestParser.makeReference('1-10-500.mp4', 1, 10, 20, baseUri),
ManifestParser.makeReference('2-20-500.mp4', 2, 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startNumber = 1', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], 30 /* duration */);
let references = [
ManifestParser.makeReference('1-0-500.mp4', 0, 0, 10, baseUri),
ManifestParser.makeReference('2-10-500.mp4', 1, 10, 20, baseUri),
ManifestParser.makeReference('3-20-500.mp4', 2, 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @startNumber > 1', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="10" duration="10"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], 30 /* duration */);
let references = [
ManifestParser.makeReference('10-0-500.mp4', 0, 0, 10, baseUri),
ManifestParser.makeReference('11-10-500.mp4', 1, 10, 20, baseUri),
ManifestParser.makeReference('12-20-500.mp4', 2, 20, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('with @timescale > 1', async () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" timescale="9000" duration="9000"',
' media="$Number$-$Time$-$Bandwidth$.mp4" />',
], 3 /* duration */);
let references = [
ManifestParser.makeReference('1-0-500.mp4', 0, 0, 1, baseUri),
ManifestParser.makeReference('2-9000-500.mp4', 1, 1, 2, baseUri),
ManifestParser.makeReference('3-18000-500.mp4', 2, 2, 3, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('across representations', async () => {
let 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);
let actual = await parser.start('dummy://foo', playerInterface);
expect(actual).toBeTruthy();
let variants = actual.periods[0].variants;
expect(variants.length).toBe(3);
expect(variants[0].video.findSegmentPosition(0)).toBe(0);
expect(variants[0].video.getSegmentReference(0)).toEqual(
ManifestParser.makeReference('1-0-100.mp4', 0, 0, 10, baseUri));
expect(variants[0].video.findSegmentPosition(12)).toBe(1);
expect(variants[0].video.getSegmentReference(1)).toEqual(
ManifestParser.makeReference('2-10-100.mp4', 1, 10, 20, baseUri));
expect(variants[1].video.findSegmentPosition(0)).toBe(0);
expect(variants[1].video.getSegmentReference(0)).toEqual(
ManifestParser.makeReference('1-0-200.mp4', 0, 0, 10, baseUri));
expect(variants[1].video.findSegmentPosition(12)).toBe(1);
expect(variants[1].video.getSegmentReference(1)).toEqual(
ManifestParser.makeReference('2-10-200.mp4', 1, 10, 20, baseUri));
expect(variants[2].video.findSegmentPosition(0)).toBe(0);
expect(variants[2].video.getSegmentReference(0)).toEqual(
ManifestParser.makeReference('1-0-300.mp4', 0, 0, 10, baseUri));
expect(variants[2].video.findSegmentPosition(12)).toBe(1);
expect(variants[2].video.getSegmentReference(1)).toEqual(
ManifestParser.makeReference('2-10-300.mp4', 1, 10, 20, baseUri));
});
});
describe('rejects streams with', function() {
it('bad container type', async () => {
let 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');
let 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 () => {
let 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');
let 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 () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1" />',
]);
let 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 () => {
let source = Dash.makeSimpleManifestText([
'<SegmentTemplate startNumber="1">',
' <SegmentTimeline>',
' <S d="10" />',
' </SegmentTimeline>',
'</SegmentTemplate>',
]);
let 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);
});
});
});