shaka-player
Version:
DASH/EME video player library
381 lines (358 loc) • 13.9 kB
JavaScript
/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
describe('DashParser SegmentList', () => {
const Dash = shaka.test.Dash;
const ManifestParser = shaka.test.ManifestParser;
const baseUri = 'http://example.com/';
shaka.test.Dash.makeTimelineTests('SegmentList', '', [
'<SegmentURL media="s1.mp4" />',
'<SegmentURL media="s2.mp4" />',
'<SegmentURL media="s3.mp4" />',
'<SegmentURL media="s4.mp4" />',
'<SegmentURL media="s5.mp4" />',
]);
it('truncates segments when lengths don\'t match', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
' <SegmentURL media="s5.mp4" />',
' <SegmentTimeline>',
' <S d="10" t="50" />',
' <S d="5" />',
' </SegmentTimeline>',
'</SegmentList>',
], /* duration= */ 65);
const references = [
ManifestParser.makeReference('s1.mp4', 50, 60, baseUri),
ManifestParser.makeReference('s2.mp4', 60, 65, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('supports single segment', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
'</SegmentList>',
], /* duration= */ 30);
const references = [
ManifestParser.makeReference('s1.mp4', 0, 30, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
describe('duration', () => {
it('basic support', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList startNumber="1" duration="10">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
'</SegmentList>',
]);
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),
];
await Dash.testSegmentIndex(source, references);
});
it('uses @startNumber correctly', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList startNumber="5" duration="10">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
'</SegmentList>',
]);
const references = [
ManifestParser.makeReference('s1.mp4', 40, 50, baseUri),
ManifestParser.makeReference('s2.mp4', 50, 60, baseUri),
ManifestParser.makeReference('s3.mp4', 60, 70, baseUri),
ManifestParser.makeReference('s4.mp4', 70, 80, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('supports @startNumber=0', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList startNumber="0" duration="10">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
'</SegmentList>',
]);
const references = [
ManifestParser.makeReference('s1.mp4', 0, 10, baseUri),
ManifestParser.makeReference('s2.mp4', 10, 20, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('supports @timescale', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList startNumber="1" timescale="9000" duration="18000">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
'</SegmentList>',
]);
const references = [
ManifestParser.makeReference('s1.mp4', 0, 2, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 4, baseUri),
ManifestParser.makeReference('s3.mp4', 4, 6, baseUri),
ManifestParser.makeReference('s4.mp4', 6, 8, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
});
describe('rejects streams with', () => {
it('no @duration or SegmentTimeline', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
'</SegmentList>',
]);
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('one segment and no durations', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
'</SegmentList>',
]);
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('empty SegmentTimeline', async () => {
const source = Dash.makeSimpleManifestText([
'<SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentTimeline>',
' </SegmentTimeline>',
'</SegmentList>',
]);
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);
});
});
describe('inherits', () => {
it('attributes', async () => {
const source = [
'<MPD mediaPresentationDuration="PT200S">',
' <Period>',
' <SegmentList startNumber="40" />',
' <AdaptationSet mimeType="video/webm">',
' <SegmentList startNumber="1" duration="50" />',
' <Representation bandwidth="1">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
' </SegmentList>',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
const references = [
ManifestParser.makeReference('s1.mp4', 0, 50, baseUri),
ManifestParser.makeReference('s2.mp4', 50, 100, baseUri),
ManifestParser.makeReference('s3.mp4', 100, 150, baseUri),
ManifestParser.makeReference('s4.mp4', 150, 200, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('SegmentTimeline', async () => {
const source = [
'<MPD mediaPresentationDuration="PT73S">',
' <Period>',
' <SegmentList>',
' <SegmentTimeline>',
' <S d="10" t="50" />',
' <S d="5" />',
' <S d="8" />',
' </SegmentTimeline>',
' </SegmentList>',
' <AdaptationSet mimeType="video/webm">',
' <Representation bandwidth="1">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' </SegmentList>',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
const references = [
ManifestParser.makeReference('s1.mp4', 50, 60, baseUri),
ManifestParser.makeReference('s2.mp4', 60, 65, baseUri),
ManifestParser.makeReference('s3.mp4', 65, 73, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
it('SegmentURL', async () => {
const source = [
'<MPD mediaPresentationDuration="PT73S">',
' <Period>',
' <SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' </SegmentList>',
' <AdaptationSet mimeType="video/webm">',
' <Representation bandwidth="1">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentList>',
' <SegmentTimeline>',
' <S d="10" t="50" />',
' <S d="5" />',
' <S d="8" />',
' </SegmentTimeline>',
' </SegmentList>',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
const references = [
ManifestParser.makeReference('s1.mp4', 50, 60, baseUri),
ManifestParser.makeReference('s2.mp4', 60, 65, baseUri),
ManifestParser.makeReference('s3.mp4', 65, 73, baseUri),
];
await Dash.testSegmentIndex(source, references);
});
});
describe('Segment start', () => {
it('shoud be adjusted with presentationTimeOffset', async () => {
const source = [
'<MPD mediaPresentationDuration="PT70S">',
' <Period>',
' <SegmentList>',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
' </SegmentList>',
' <AdaptationSet mimeType="video/webm">',
' <Representation bandwidth="1">',
' <BaseURL>http://example.com</BaseURL>',
' <SegmentList presentationTimeOffset="10" startNumber="1">',
' <SegmentTimeline>',
' <S d="10" t="50" />',
' <S d="5" />',
' <S d="8" />',
' <S d="7" />',
' </SegmentTimeline>',
' </SegmentList>',
' </Representation>',
' </AdaptationSet>',
' </Period>',
'</MPD>',
].join('\n');
const references = [
ManifestParser.makeReference('s1.mp4', 40, 50, baseUri),
ManifestParser.makeReference('s2.mp4', 50, 55, baseUri),
ManifestParser.makeReference('s3.mp4', 55, 63, baseUri),
ManifestParser.makeReference('s4.mp4', 63, 70, baseUri),
];
for (const ref of references) {
ref.timestampOffset = -10;
}
await Dash.testSegmentIndex(source, references);
});
});
// https://github.com/shaka-project/shaka-player/issues/3230
it('works with multi-Period with eviction', async () => {
const setFormat = [
' <AdaptationSet mimeType="video/mp4">',
' <Representation>',
' <SegmentList presentationTimeOffset="%s">',
' <SegmentURL media="s1.mp4" />',
' <SegmentURL media="s2.mp4" />',
' <SegmentURL media="s3.mp4" />',
' <SegmentURL media="s4.mp4" />',
' <SegmentURL media="s5.mp4" />',
' <SegmentTimeline>',
' <S d="10" t="0" r="4" />',
' </SegmentTimeline>',
' </SegmentList>',
' </Representation>',
' </AdaptationSet>',
].join('\n');
const source = [
'<MPD mediaPresentationDuration="PT60S">',
` <BaseURL>${baseUri}</BaseURL>`,
' <Period duration="PT30S">',
`${sprintf(setFormat, [0])}`,
' </Period>',
' <Period duration="PT30S">',
`${sprintf(setFormat, [20])}`,
' </Period>',
'</MPD>',
].join('\n');
const networkingEngine = new shaka.test.FakeNetworkingEngine()
.setResponseText('dummy://foo', source);
const dashParser = shaka.test.Dash.makeDashParser();
const playerInterface = {
networkingEngine: networkingEngine,
modifyManifestRequest: (request, manifestInfo) => {},
modifySegmentRequest: (request, segmentInfo) => {},
filter: () => {},
makeTextStreamsForClosedCaptions: (manifest) => {},
onTimelineRegionAdded: fail, // Should not have any EventStream elements.
onEvent: fail,
onError: fail,
isLowLatencyMode: () => false,
isAutoLowLatencyMode: () => false,
enableLowLatencyMode: () => {},
updateDuration: () => {},
newDrmInfo: (stream) => {},
onManifestUpdated: () => {},
getBandwidthEstimate: () => 1e6,
};
try {
const manifest = await dashParser.start('dummy://foo', playerInterface);
const stream = manifest.variants[0].video;
await stream.createSegmentIndex();
goog.asserts.assert(stream.segmentIndex, 'Expected index to be created');
// Don't use Dash.testSegmentIndex since it uses SegmentIndex.find, which
// doesn't reproduce this issue. We want to use Array.from which uses
// the iterator.
const expected = [
ManifestParser.makeReference('s1.mp4', 0, 10, baseUri),
ManifestParser.makeReference('s2.mp4', 10, 20, baseUri),
ManifestParser.makeReference('s3.mp4', 20, 30, baseUri),
ManifestParser.makeReference('s3.mp4', 30, 40, baseUri),
ManifestParser.makeReference('s4.mp4', 40, 50, baseUri),
ManifestParser.makeReference('s5.mp4', 50, 60, baseUri),
];
const actual = Array.from(stream.segmentIndex);
expect(actual).toEqual(expected);
} finally {
dashParser.stop();
}
});
});