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011749e95f3c40cd24465fac3412a0a04046f8d3
shaka-player/test/dash/dash_parser_segment_list_unit.js
T
Jacob Trimble 011749e95f Standardize argument comments. 
This changes the eslint rule to enforce a strict pattern for the
argument comments.  The comment must appear before the argument and
must be /* foo= */.  This still ignores line comments.

Change-Id: I3afb01c65e1088eda13facb3aeeaa7595a2f5aee
2020-01-06 19:40:52 +00:00

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JavaScript
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/** @license
* 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', 1, 50, 60, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 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', 1,
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', 1, 0, 10, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 10, 20, baseUri),
ManifestParser.makeReference('s3.mp4', 3, 20, 30, baseUri),
ManifestParser.makeReference('s4.mp4', 4, 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', 5, 40, 50, baseUri),
ManifestParser.makeReference('s2.mp4', 6, 50, 60, baseUri),
ManifestParser.makeReference('s3.mp4', 7, 60, 70, baseUri),
ManifestParser.makeReference('s4.mp4', 8, 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', 1, 0, 10, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 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', 1, 0, 2, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 2, 4, baseUri),
ManifestParser.makeReference('s3.mp4', 3, 4, 6, baseUri),
ManifestParser.makeReference('s4.mp4', 4, 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', 1, 0, 50, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 50, 100, baseUri),
ManifestParser.makeReference('s3.mp4', 3, 100, 150, baseUri),
ManifestParser.makeReference('s4.mp4', 4, 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', 1, 50, 60, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 60, 65, baseUri),
ManifestParser.makeReference('s3.mp4', 3, 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', 1, 50, 60, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 60, 65, baseUri),
ManifestParser.makeReference('s3.mp4', 3, 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', 1, 40, 50, baseUri),
ManifestParser.makeReference('s2.mp4', 2, 50, 55, baseUri),
ManifestParser.makeReference('s3.mp4', 3, 55, 63, baseUri),
ManifestParser.makeReference('s4.mp4', 4, 63, 70, baseUri),
];
for (const ref of references) {
ref.timestampOffset = -10;
}
await Dash.testSegmentIndex(source, references);
});
});
});
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