mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-26 17:46:26 +03:00
Jacob Trimble
ea6829d5f4
Add a helper type to generate valid manifests. This can be used to selectively set parts of a manifest without requiring a lot of extra code to define the default field values. Change-Id: I6cb8f44c5700a5ff3cb56a21bf3fdd4fb25291f1
658 lines
22 KiB
JavaScript
658 lines
22 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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// Test basic manifest parsing functionality.
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describe('DashParser.Manifest', function() {
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var Dash;
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var fakeNetEngine;
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var parser;
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var filterPeriod = function() {};
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beforeEach(function() {
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fakeNetEngine = new shaka.test.FakeNetworkingEngine();
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parser = shaka.test.Dash.makeDashParser();
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});
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beforeAll(function() {
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Dash = shaka.test.Dash;
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});
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/**
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* Makes a series of tests for the given manifest type.
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*
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* @param {!Array.<string>} startLines
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* @param {!Array.<string>} endLines
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* @param {shakaExtern.Manifest} expected
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*/
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function makeTestsForEach(startLines, endLines, expected) {
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/**
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* Makes manifest text for testing.
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*
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* @param {!Array.<string>} lines
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* @return {string}
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*/
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function makeTestManifest(lines) {
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return startLines.concat(lines, endLines).join('\n');
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};
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/**
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* Tests that the parser produces the correct results.
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*
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* @param {function()} done
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* @param {string} manifestText
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*/
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function testDashParser(done, manifestText) {
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fakeNetEngine.setResponseMapAsText({'dummy://foo': manifestText});
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(actual) { expect(actual).toEqual(expected); })
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.catch(fail)
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.then(done);
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};
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it('with SegmentBase', function(done) {
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var source = makeTestManifest([
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' <SegmentBase indexRange="100-200" timescale="9000">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' </SegmentBase>'
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]);
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testDashParser(done, source);
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});
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it('with SegmentList', function(done) {
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var source = makeTestManifest([
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' <SegmentList startNumber="1" duration="10">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' <SegmentURL media="s1.mp4" />',
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' </SegmentList>'
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]);
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testDashParser(done, source);
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});
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it('with SegmentTemplate', function(done) {
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var source = makeTestManifest([
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' <SegmentTemplate startNumber="1" media="l-$Number$.mp4"',
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' initialization="init.mp4">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' <SegmentTimeline>',
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' <S t="0" d="30" />',
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' </SegmentTimeline>',
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' </SegmentTemplate>'
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]);
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testDashParser(done, source);
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});
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};
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describe('parses and inherits attributes', function() {
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makeTestsForEach(
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[
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'<MPD minBufferTime="PT75S">',
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' <Period id="1" duration="PT30S">',
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' <BaseURL>http://example.com</BaseURL>'
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],
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[
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' <AdaptationSet contentType="video" mimeType="video/mp4"',
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' codecs="avc1.4d401f" lang="en">',
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' <Representation bandwidth="100" width="768" height="576" />',
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' <Representation bandwidth="50" width="576" height="432" />',
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' </AdaptationSet>',
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' <AdaptationSet mimeType="text/vtt" codecs="mp4a.40.29"',
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' lang="es">',
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' <Role value="caption" />',
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' <Representation bandwidth="100" />',
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' </AdaptationSet>',
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' <AdaptationSet mimeType="audio/mp4">',
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' <Role value="main" />',
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' <Representation bandwidth="100" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>'
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],
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new shaka.test.ManifestGenerator()
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.anyTimeline()
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.minBufferTime(75)
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.addPeriod(0)
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.addStreamSet('video')
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.language('en')
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.addStream(jasmine.any(Number))
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.anySegmentFunctions()
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.anyInitSegment()
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.presentationTimeOffset(0)
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.mime('video/mp4', 'avc1.4d401f')
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.bandwidth(100)
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.size(768, 576)
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.addStream(jasmine.any(Number))
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.anySegmentFunctions()
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.anyInitSegment()
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.presentationTimeOffset(0)
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.mime('video/mp4', 'avc1.4d401f')
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.bandwidth(50)
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.size(576, 432)
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.addStreamSet('text')
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.language('es')
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.addStream(jasmine.any(Number))
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.anySegmentFunctions()
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.anyInitSegment()
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.presentationTimeOffset(0)
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.mime('text/vtt', 'mp4a.40.29')
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.bandwidth(100)
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.kind('caption')
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.addStreamSet('audio')
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.primary()
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.addStream(jasmine.any(Number))
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.anySegmentFunctions()
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.anyInitSegment()
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.bandwidth(100)
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.presentationTimeOffset(0)
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.mime('audio/mp4')
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.build());
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});
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describe('squashes stream sets by AdaptationSetSwitching', function() {
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makeTestsForEach(
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[
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'<MPD minBufferTime="PT75S">',
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' <Period id="1" duration="PT30S">',
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' <BaseURL>http://example.com</BaseURL>'
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],
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[
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' <AdaptationSet id="1" mimeType="video/mp4" lang="en">',
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' <SupplementalProperty value="2"',
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'schemeIdURI="http://dashif.org/descriptor/AdaptationSetSwitching"/>',
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' <Representation bandwidth="100" />',
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' </AdaptationSet>',
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' <AdaptationSet id="2" mimeType="video/mp4" lang="en">',
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' <Representation bandwidth="200" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>'
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],
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new shaka.test.ManifestGenerator()
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.anyTimeline()
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.minBufferTime(75)
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.addPeriod(0)
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.addStreamSet('video')
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.language('en')
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.addPartialStream().bandwidth(100)
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.addPartialStream().bandwidth(200)
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.build());
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});
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describe('ignores unrecognized IDs in AdaptationSetSwitching', function() {
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makeTestsForEach(
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[
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'<MPD minBufferTime="PT75S">',
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' <Period id="1" duration="PT30S">',
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' <BaseURL>http://example.com</BaseURL>'
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],
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[
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' <AdaptationSet mimeType="video/mp4" lang="en" id="1">',
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' <SupplementalProperty value="4"',
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'schemeIdURI="http://dashif.org/descriptor/AdaptationSetSwitching"/>',
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' <Representation bandwidth="100" />',
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' </AdaptationSet>',
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' <AdaptationSet mimeType="video/mp4" lang="en" id="2">',
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' <Representation bandwidth="200" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>'
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],
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new shaka.test.ManifestGenerator()
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.anyTimeline()
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.minBufferTime(75)
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.addPeriod(0)
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.addStreamSet('video')
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.language('en')
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.addPartialStream().bandwidth(100)
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.addStreamSet('video')
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.language('en')
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.addPartialStream().bandwidth(200)
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.build());
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});
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describe('does not squash different languages', function() {
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makeTestsForEach(
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[
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'<MPD minBufferTime="PT75S">',
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' <Period id="1" duration="PT30S">',
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' <BaseURL>http://example.com</BaseURL>'
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],
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[
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' <AdaptationSet mimeType="video/mp4" lang="en" id="1">',
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' <SupplementalProperty value="2"',
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'schemeIdURI="http://dashif.org/descriptor/AdaptationSetSwitching"/>',
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' <Representation bandwidth="100" />',
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' </AdaptationSet>',
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' <AdaptationSet mimeType="video/mp4" lang="es" id="2">',
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' <SupplementalProperty value="1"',
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'schemeIdURI="http://dashif.org/descriptor/AdaptationSetSwitching"/>',
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' <Representation bandwidth="200" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>'
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],
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new shaka.test.ManifestGenerator()
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.anyTimeline()
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.minBufferTime(75)
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.addPeriod(0)
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.addStreamSet('video')
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.language('en')
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.addPartialStream().bandwidth(100)
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.addStreamSet('video')
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.language('es')
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.addPartialStream().bandwidth(200)
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.build());
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});
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describe('does not squash different content types', function() {
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makeTestsForEach(
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[
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'<MPD minBufferTime="PT75S">',
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' <Period id="1" duration="PT30S">',
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' <BaseURL>http://example.com</BaseURL>'
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],
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[
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' <AdaptationSet mimeType="video/mp4" lang="en" id="1">',
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' <SupplementalProperty value="2"',
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'schemeIdURI="http://dashif.org/descriptor/AdaptationSetSwitching"/>',
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' <Representation bandwidth="100" />',
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' </AdaptationSet>',
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' <AdaptationSet mimeType="audio/mp4" lang="en" id="2">',
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' <SupplementalProperty value="1"',
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'schemeIdURI="http://dashif.org/descriptor/AdaptationSetSwitching"/>',
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' <Representation bandwidth="200" />',
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' </AdaptationSet>',
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' </Period>',
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'</MPD>'
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],
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new shaka.test.ManifestGenerator()
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.anyTimeline()
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.minBufferTime(75)
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.addPeriod(0)
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.addStreamSet('video')
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.language('en')
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.addPartialStream().bandwidth(100)
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.addStreamSet('audio')
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.language('en')
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.addPartialStream().bandwidth(200)
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.build());
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});
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it('skips any periods after one without duration', function(done) {
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var periodContents = [
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' <AdaptationSet mimeType="video/mp4" lang="en" group="1">',
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' <Representation bandwidth="100">',
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' <SegmentBase presentationTimeOffset="1" indexRange="100-200">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' </SegmentBase>',
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' </Representation>',
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' </AdaptationSet>'
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].join('\n');
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var template = [
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'<MPD minBufferTime="PT75S">',
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' <Period id="1">',
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'%(periodContents)s',
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' </Period>',
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' <Period id="2">',
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'%(periodContents)s',
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' </Period>',
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'</MPD>'
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].join('\n');
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var source = sprintf(template, {periodContents: periodContents});
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fakeNetEngine.setResponseMapAsText({'dummy://foo': source});
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(manifest) {
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expect(manifest.periods.length).toBe(1);
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})
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.catch(fail)
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.then(done);
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});
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it('calculates Period times when missing', function(done) {
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var periodContents = [
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' <AdaptationSet mimeType="video/mp4" lang="en" group="1">',
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' <Representation bandwidth="100">',
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' <SegmentBase presentationTimeOffset="1" indexRange="100-200">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' </SegmentBase>',
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' </Representation>',
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' </AdaptationSet>'
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].join('\n');
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var template = [
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'<MPD mediaPresentationDuration="PT75S">',
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' <Period id="1" start="PT10S">',
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'%(periodContents)s',
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' </Period>',
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' <Period id="2" start="PT20S" duration="PT10S">',
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'%(periodContents)s',
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' </Period>',
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' <Period id="3" duration="PT10S">',
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'%(periodContents)s',
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' </Period>',
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'</MPD>'
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].join('\n');
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var source = sprintf(template, {periodContents: periodContents});
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fakeNetEngine.setResponseMapAsText({'dummy://foo': source});
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(manifest) {
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expect(manifest.periods.length).toBe(3);
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expect(manifest.periods[0].startTime).toBe(10);
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expect(manifest.periods[1].startTime).toBe(20);
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expect(manifest.periods[2].startTime).toBe(30);
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})
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.catch(fail)
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.then(done);
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});
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it('defaults to SegmentBase with multiple Segment*', function(done) {
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var source = Dash.makeSimpleManifestText([
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'<SegmentBase presentationTimeOffset="1" indexRange="100-200">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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'</SegmentBase>',
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'<SegmentList presentationTimeOffset="2" duration="10">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' <SegmentURL media="s1.mp4" />',
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'</SegmentList>'
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]);
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fakeNetEngine.setResponseMapAsText({'dummy://foo': source});
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(manifest) {
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var stream = manifest.periods[0].streamSets[0].streams[0];
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expect(stream.presentationTimeOffset).toBe(1);
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})
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.catch(fail)
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.then(done);
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});
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it('defaults to SegmentList with SegmentTemplate', function(done) {
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var source = Dash.makeSimpleManifestText([
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'<SegmentList presentationTimeOffset="2" duration="10">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' <SegmentURL media="s1.mp4" />',
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'</SegmentList>',
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'<SegmentTemplate startNumber="1" media="l-$Number$.mp4"',
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' presentationTimeOffset="3" initialization="init.mp4">',
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' <Initialization sourceURL="init.mp4" range="201-300" />',
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' <SegmentTimeline>',
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' <S t="0" d="30" />',
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' </SegmentTimeline>',
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'</SegmentTemplate>'
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]);
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fakeNetEngine.setResponseMapAsText({'dummy://foo': source});
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(manifest) {
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var stream = manifest.periods[0].streamSets[0].streams[0];
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expect(stream.presentationTimeOffset).toBe(2);
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})
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.catch(fail)
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.then(done);
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});
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it('generates a correct index for non-segmented text', function(done) {
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var source = [
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'<MPD mediaPresentationDuration="PT30S">',
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' <Period>',
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' <AdaptationSet mimeType="text/vtt" lang="de">',
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' <Representation>',
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' <BaseURL>http://example.com/de.vtt</BaseURL>',
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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.setResponseMapAsText({'dummy://foo': source});
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var stream;
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(manifest) {
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stream = manifest.periods[0].streamSets[0].streams[0];
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return stream.createSegmentIndex();
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}).then(function() {
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expect(stream.initSegmentReference).toBe(null);
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expect(stream.findSegmentPosition(0)).toBe(1);
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expect(stream.getSegmentReference(1)).toEqual(
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jasmine.objectContaining({
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startTime: 0,
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endTime: 30,
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uris: ['http://example.com/de.vtt'],
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startByte: 0,
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endByte: null
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}));
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}).catch(fail).then(done);
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});
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it('correctly parses UTF-8', function(done) {
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var source = [
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'<MPD>',
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' <Period duration="PT30M">',
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' <AdaptationSet mimeType="video/mp4" lang="\u2603">',
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' <Representation bandwidth="500">',
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' <BaseURL>http://example.com</BaseURL>',
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' <SegmentTemplate media="2.mp4" duration="1"',
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' initialization="\u0227.mp4" />',
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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.setResponseMapAsText({'dummy://foo': source});
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parser.start('dummy://foo', fakeNetEngine, filterPeriod, fail)
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.then(function(manifest) {
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var streamSet = manifest.periods[0].streamSets[0];
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var stream = streamSet.streams[0];
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expect(stream.initSegmentReference.uris[0])
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.toBe('http://example.com/%C8%A7.mp4');
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expect(streamSet.language).toBe('\u2603');
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}).catch(fail).then(done);
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});
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describe('supports UTCTiming', function() {
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var originalNow;
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beforeAll(function() {
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originalNow = Date.now;
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Date.now = function() { return 10 * 1000; };
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});
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afterAll(function() {
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Date.now = originalNow;
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});
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/**
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* @param {!Array.<string>} lines
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* @return {string}
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*/
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function makeManifest(lines) {
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var template = [
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'<MPD type="dynamic"',
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' availabilityStartTime="1970-01-01T00:00:00Z"',
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' maxSegmentDuration="PT5S"',
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' suggestedPresentationDelay="PT0S">',
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' %s',
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' <Period duration="PT30M">',
|
|
' <AdaptationSet mimeType="video/mp4">',
|
|
' <Representation bandwidth="500">',
|
|
' <BaseURL>http://example.com</BaseURL>',
|
|
' <SegmentTemplate media="2.mp4" duration="1" />',
|
|
' </Representation>',
|
|
' </AdaptationSet>',
|
|
' </Period>',
|
|
'</MPD>'
|
|
].join('\n');
|
|
return sprintf(template, lines.join('\n'));
|
|
}
|
|
|
|
/**
|
|
* @param {function()} done
|
|
* @param {number} expectedTime
|
|
*/
|
|
function runTest(done, expectedTime) {
|
|
parser.start('http://foo.bar/manifest', fakeNetEngine, filterPeriod, fail)
|
|
.then(function(manifest) {
|
|
expect(manifest.presentationTimeline).toBeTruthy();
|
|
expect(manifest.presentationTimeline.getSegmentAvailabilityEnd())
|
|
.toBe(expectedTime);
|
|
})
|
|
.catch(fail)
|
|
.then(done);
|
|
}
|
|
|
|
it('with direct', function(done) {
|
|
var source = makeManifest([
|
|
'<UTCTiming schemeIdUri="urn:mpeg:dash:utc:direct:2014"',
|
|
' value="1970-01-01T00:00:30Z" />'
|
|
]);
|
|
|
|
fakeNetEngine.setResponseMapAsText({'http://foo.bar/manifest': source});
|
|
runTest(done, 25);
|
|
});
|
|
|
|
it('does not produce errors', function(done) {
|
|
var source = makeManifest([
|
|
'<UTCTiming schemeIdUri="unknown scheme" value="foobar" />'
|
|
]);
|
|
|
|
fakeNetEngine.setResponseMapAsText({'http://foo.bar/manifest': source});
|
|
runTest(done, 5);
|
|
});
|
|
|
|
it('tries multiple sources', function(done) {
|
|
var source = makeManifest([
|
|
'<UTCTiming schemeIdUri="unknown scheme" value="foobar" />',
|
|
'<UTCTiming schemeIdUri="urn:mpeg:dash:utc:direct:2014"',
|
|
' value="1970-01-01T00:00:55Z" />'
|
|
]);
|
|
|
|
fakeNetEngine.setResponseMapAsText({'http://foo.bar/manifest': source});
|
|
runTest(done, 50);
|
|
});
|
|
|
|
it('with HEAD', function(done) {
|
|
var source = makeManifest([
|
|
'<UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-head:2014"',
|
|
' value="http://foo.bar/date" />'
|
|
]);
|
|
|
|
fakeNetEngine.request.and.callFake(function(type, request) {
|
|
if (request.uris[0] == 'http://foo.bar/manifest') {
|
|
var data = shaka.util.StringUtils.toUTF8(source);
|
|
return Promise.resolve({data: data, headers: {}, uri: ''});
|
|
} else {
|
|
expect(request.uris[0]).toBe('http://foo.bar/date');
|
|
return Promise.resolve({
|
|
data: new ArrayBuffer(0),
|
|
headers: {'date': '1970-01-01T00:00:40Z'},
|
|
uri: ''
|
|
});
|
|
}
|
|
});
|
|
runTest(done, 35);
|
|
});
|
|
|
|
it('with xsdate', function(done) {
|
|
var source = makeManifest([
|
|
'<UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-xsdate:2014"',
|
|
' value="http://foo.bar/date" />'
|
|
]);
|
|
|
|
fakeNetEngine.setResponseMapAsText({
|
|
'http://foo.bar/manifest': source,
|
|
'http://foo.bar/date': '1970-01-01T00:00:50Z'
|
|
});
|
|
runTest(done, 45);
|
|
});
|
|
});
|
|
|
|
describe('fails for', function() {
|
|
it('invalid XML', function(done) {
|
|
var source = '<not XML';
|
|
var error = new shaka.util.Error(
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_INVALID_XML);
|
|
Dash.testFails(done, source, error);
|
|
});
|
|
|
|
it('failed network requests', function(done) {
|
|
var expectedError = new shaka.util.Error(
|
|
shaka.util.Error.Category.NETWORK,
|
|
shaka.util.Error.Code.BAD_HTTP_STATUS);
|
|
|
|
fakeNetEngine.request.and.returnValue(Promise.reject(expectedError));
|
|
parser.start('', fakeNetEngine, filterPeriod, fail)
|
|
.then(fail)
|
|
.catch(function(error) { expect(error).toEqual(expectedError); })
|
|
.then(done);
|
|
});
|
|
|
|
it('missing MPD element', function(done) {
|
|
var source = '<XML></XML>';
|
|
var error = new shaka.util.Error(
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_INVALID_XML);
|
|
Dash.testFails(done, source, error);
|
|
});
|
|
|
|
it('empty Representation', function(done) {
|
|
var source = [
|
|
'<MPD minBufferTime="PT75S">',
|
|
' <Period id="1" duration="PT30S">',
|
|
' <AdaptationSet mimeType="video/mp4" lang="en" group="1">',
|
|
' <Representation bandwidth="100" />',
|
|
' </AdaptationSet>',
|
|
' </Period>',
|
|
'</MPD>'
|
|
].join('\n');
|
|
var error = new shaka.util.Error(
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
|
|
Dash.testFails(done, source, error);
|
|
});
|
|
|
|
it('empty AdaptationSet', function(done) {
|
|
var source = [
|
|
'<MPD minBufferTime="PT75S">',
|
|
' <Period id="1" duration="PT30S">',
|
|
' <AdaptationSet mimeType="video/mp4" lang="en" group="1" />',
|
|
' </Period>',
|
|
'</MPD>'
|
|
].join('\n');
|
|
var error = new shaka.util.Error(
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_EMPTY_ADAPTATION_SET);
|
|
Dash.testFails(done, source, error);
|
|
});
|
|
|
|
it('empty Period', function(done) {
|
|
var source = [
|
|
'<MPD minBufferTime="PT75S">',
|
|
' <Period id="1" duration="PT30S" />',
|
|
'</MPD>'
|
|
].join('\n');
|
|
var error = new shaka.util.Error(
|
|
shaka.util.Error.Category.MANIFEST,
|
|
shaka.util.Error.Code.DASH_EMPTY_PERIOD);
|
|
Dash.testFails(done, source, error);
|
|
});
|
|
});
|
|
});
|