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DanieL 2022-05-20 16:37:16 -03:00
parent 6fa46f4e34
commit 680eb33f0d
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237
node_modules/mpd-parser/src/playlist-merge.js generated vendored Normal file
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import { forEachMediaGroup } from '@videojs/vhs-utils/es/media-groups';
import { findIndex, union } from './utils/list';
const SUPPORTED_MEDIA_TYPES = ['AUDIO', 'SUBTITLES'];
// allow one 60fps frame as leniency (arbitrarily chosen)
const TIME_FUDGE = 1 / 60;
/**
* Given a list of timelineStarts, combines, dedupes, and sorts them.
*
* @param {TimelineStart[]} timelineStarts - list of timeline starts
*
* @return {TimelineStart[]} the combined and deduped timeline starts
*/
export const getUniqueTimelineStarts = (timelineStarts) => {
return union(timelineStarts, ({ timeline }) => timeline)
.sort((a, b) => (a.timeline > b.timeline) ? 1 : -1);
};
/**
* Finds the playlist with the matching NAME attribute.
*
* @param {Array} playlists - playlists to search through
* @param {string} name - the NAME attribute to search for
*
* @return {Object|null} the matching playlist object, or null
*/
export const findPlaylistWithName = (playlists, name) => {
for (let i = 0; i < playlists.length; i++) {
if (playlists[i].attributes.NAME === name) {
return playlists[i];
}
}
return null;
};
/**
* Gets a flattened array of media group playlists.
*
* @param {Object} manifest - the main manifest object
*
* @return {Array} the media group playlists
*/
export const getMediaGroupPlaylists = (manifest) => {
let mediaGroupPlaylists = [];
forEachMediaGroup(manifest, SUPPORTED_MEDIA_TYPES, (properties, type, group, label) => {
mediaGroupPlaylists = mediaGroupPlaylists.concat(properties.playlists || []);
});
return mediaGroupPlaylists;
};
/**
* Updates the playlist's media sequence numbers.
*
* @param {Object} config - options object
* @param {Object} config.playlist - the playlist to update
* @param {number} config.mediaSequence - the mediaSequence number to start with
*/
export const updateMediaSequenceForPlaylist = ({ playlist, mediaSequence }) => {
playlist.mediaSequence = mediaSequence;
playlist.segments.forEach((segment, index) => {
segment.number = playlist.mediaSequence + index;
});
};
/**
* Updates the media and discontinuity sequence numbers of newPlaylists given oldPlaylists
* and a complete list of timeline starts.
*
* If no matching playlist is found, only the discontinuity sequence number of the playlist
* will be updated.
*
* Since early available timelines are not supported, at least one segment must be present.
*
* @param {Object} config - options object
* @param {Object[]} oldPlaylists - the old playlists to use as a reference
* @param {Object[]} newPlaylists - the new playlists to update
* @param {Object} timelineStarts - all timelineStarts seen in the stream to this point
*/
export const updateSequenceNumbers = ({ oldPlaylists, newPlaylists, timelineStarts }) => {
newPlaylists.forEach((playlist) => {
playlist.discontinuitySequence = findIndex(
timelineStarts,
({ timeline }) => timeline === playlist.timeline
);
// Playlists NAMEs come from DASH Representation IDs, which are mandatory
// (see ISO_23009-1-2012 5.3.5.2).
//
// If the same Representation existed in a prior Period, it will retain the same NAME.
const oldPlaylist = findPlaylistWithName(oldPlaylists, playlist.attributes.NAME);
if (!oldPlaylist) {
// Since this is a new playlist, the media sequence values can start from 0 without
// consequence.
return;
}
// TODO better support for live SIDX
//
// As of this writing, mpd-parser does not support multiperiod SIDX (in live or VOD).
// This is evident by a playlist only having a single SIDX reference. In a multiperiod
// playlist there would need to be multiple SIDX references. In addition, live SIDX is
// not supported when the SIDX properties change on refreshes.
//
// In the future, if support needs to be added, the merging logic here can be called
// after SIDX references are resolved. For now, exit early to prevent exceptions being
// thrown due to undefined references.
if (playlist.sidx) {
return;
}
// Since we don't yet support early available timelines, we don't need to support
// playlists with no segments.
const firstNewSegment = playlist.segments[0];
const oldMatchingSegmentIndex = findIndex(oldPlaylist.segments, (oldSegment) =>
Math.abs(oldSegment.presentationTime - firstNewSegment.presentationTime) <
TIME_FUDGE);
// No matching segment from the old playlist means the entire playlist was refreshed.
// In this case the media sequence should account for this update, and the new segments
// should be marked as discontinuous from the prior content, since the last prior
// timeline was removed.
if (oldMatchingSegmentIndex === -1) {
updateMediaSequenceForPlaylist({
playlist,
mediaSequence: oldPlaylist.mediaSequence + oldPlaylist.segments.length
});
playlist.segments[0].discontinuity = true;
playlist.discontinuityStarts.unshift(0);
// No matching segment does not necessarily mean there's missing content.
//
// If the new playlist's timeline is the same as the last seen segment's timeline,
// then a discontinuity can be added to identify that there's potentially missing
// content. If there's no missing content, the discontinuity should still be rather
// harmless. It's possible that if segment durations are accurate enough, that the
// existence of a gap can be determined using the presentation times and durations,
// but if the segment timing info is off, it may introduce more problems than simply
// adding the discontinuity.
//
// If the new playlist's timeline is different from the last seen segment's timeline,
// then a discontinuity can be added to identify that this is the first seen segment
// of a new timeline. However, the logic at the start of this function that
// determined the disconinuity sequence by timeline index is now off by one (the
// discontinuity of the newest timeline hasn't yet fallen off the manifest...since
// we added it), so the disconinuity sequence must be decremented.
//
// A period may also have a duration of zero, so the case of no segments is handled
// here even though we don't yet support early available periods.
if ((!oldPlaylist.segments.length && playlist.timeline > oldPlaylist.timeline) ||
(oldPlaylist.segments.length && playlist.timeline >
oldPlaylist.segments[oldPlaylist.segments.length - 1].timeline)) {
playlist.discontinuitySequence--;
}
return;
}
// If the first segment matched with a prior segment on a discontinuity (it's matching
// on the first segment of a period), then the discontinuitySequence shouldn't be the
// timeline's matching one, but instead should be the one prior, and the first segment
// of the new manifest should be marked with a discontinuity.
//
// The reason for this special case is that discontinuity sequence shows how many
// discontinuities have fallen off of the playlist, and discontinuities are marked on
// the first segment of a new "timeline." Because of this, while DASH will retain that
// Period while the "timeline" exists, HLS keeps track of it via the discontinuity
// sequence, and that first segment is an indicator, but can be removed before that
// timeline is gone.
const oldMatchingSegment = oldPlaylist.segments[oldMatchingSegmentIndex];
if (oldMatchingSegment.discontinuity && !firstNewSegment.discontinuity) {
firstNewSegment.discontinuity = true;
playlist.discontinuityStarts.unshift(0);
playlist.discontinuitySequence--;
}
updateMediaSequenceForPlaylist({
playlist,
mediaSequence: oldPlaylist.segments[oldMatchingSegmentIndex].number
});
});
};
/**
* Given an old parsed manifest object and a new parsed manifest object, updates the
* sequence and timing values within the new manifest to ensure that it lines up with the
* old.
*
* @param {Array} oldManifest - the old main manifest object
* @param {Array} newManifest - the new main manifest object
*
* @return {Object} the updated new manifest object
*/
export const positionManifestOnTimeline = ({ oldManifest, newManifest }) => {
// Starting from v4.1.2 of the IOP, section 4.4.3.3 states:
//
// "MPD@availabilityStartTime and Period@start shall not be changed over MPD updates."
//
// This was added from https://github.com/Dash-Industry-Forum/DASH-IF-IOP/issues/160
//
// Because of this change, and the difficulty of supporting periods with changing start
// times, periods with changing start times are not supported. This makes the logic much
// simpler, since periods with the same start time can be considerred the same period
// across refreshes.
//
// To give an example as to the difficulty of handling periods where the start time may
// change, if a single period manifest is refreshed with another manifest with a single
// period, and both the start and end times are increased, then the only way to determine
// if it's a new period or an old one that has changed is to look through the segments of
// each playlist and determine the presentation time bounds to find a match. In addition,
// if the period start changed to exceed the old period end, then there would be no
// match, and it would not be possible to determine whether the refreshed period is a new
// one or the old one.
const oldPlaylists = oldManifest.playlists.concat(getMediaGroupPlaylists(oldManifest));
const newPlaylists = newManifest.playlists.concat(getMediaGroupPlaylists(newManifest));
// Save all seen timelineStarts to the new manifest. Although this potentially means that
// there's a "memory leak" in that it will never stop growing, in reality, only a couple
// of properties are saved for each seen Period. Even long running live streams won't
// generate too many Periods, unless the stream is watched for decades. In the future,
// this can be optimized by mapping to discontinuity sequence numbers for each timeline,
// but it may not become an issue, and the additional info can be useful for debugging.
newManifest.timelineStarts = getUniqueTimelineStarts([oldManifest.timelineStarts,
newManifest.timelineStarts]);
updateSequenceNumbers({
oldPlaylists,
newPlaylists,
timelineStarts: newManifest.timelineStarts
});
return newManifest;
};

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node_modules/mpd-parser/test/manifests/multiperiod-startnumber-removed-periods.js generated vendored Normal file
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export const parsedManifest = {
allowCache: true,
discontinuityStarts: [],
duration: 0,
endList: true,
timelineStarts: [
{ start: 100, timeline: 100},
{ start: 103, timeline: 103},
{ start: 107, timeline: 107},
{ start: 111, timeline: 111}
],
mediaGroups: {
'AUDIO': {
audio: {
'en (main)': {
autoselect: true,
default: true,
language: 'en',
playlists: [
{
attributes: {
'BANDWIDTH': 129262,
'CODECS': 'mp4a.40.5',
'NAME': 'v0',
'PROGRAM-ID': 1
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
discontinuityStarts: [0],
timelineStarts: [
{ start: 111, timeline: 111}
],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/audio/v0/init.mp4',
uri: 'init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/audio/v0/862.m4f',
timeline: 111,
uri: '862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/audio/v0/init.mp4',
uri: 'init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/audio/v0/863.m4f',
timeline: 111,
uri: '863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/audio/v0/init.mp4',
uri: 'init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/audio/v0/864.m4f',
timeline: 111,
uri: '864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
}
],
uri: ''
}
}
},
'CLOSED-CAPTIONS': {},
'SUBTITLES': {},
'VIDEO': {}
},
minimumUpdatePeriod: 2000,
playlists: [
{
attributes: {
'AUDIO': 'audio',
'BANDWIDTH': 2942295,
'CODECS': 'avc1.4d001f',
'NAME': 'D',
'PROGRAM-ID': 1,
'RESOLUTION': {
height: 720,
width: 1280
},
'SUBTITLES': 'subs'
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
discontinuityStarts: [0],
timelineStarts: [
{ start: 111, timeline: 111}
],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/video/D/D_init.mp4',
uri: 'D_init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/video/D/D862.m4f',
timeline: 111,
uri: 'D862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/D/D_init.mp4',
uri: 'D_init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/video/D/D863.m4f',
timeline: 111,
uri: 'D863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/D/D_init.mp4',
uri: 'D_init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/video/D/D864.m4f',
timeline: 111,
uri: 'D864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
},
{
attributes: {
'AUDIO': 'audio',
'BANDWIDTH': 4267536,
'CODECS': 'avc1.640020',
'NAME': 'E',
'PROGRAM-ID': 1,
'RESOLUTION': {
height: 720,
width: 1280
},
'SUBTITLES': 'subs'
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
timelineStarts: [
{ start: 111, timeline: 111}
],
discontinuityStarts: [0],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/video/E/E_init.mp4',
uri: 'E_init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/video/E/E862.m4f',
timeline: 111,
uri: 'E862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/E/E_init.mp4',
uri: 'E_init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/video/E/E863.m4f',
timeline: 111,
uri: 'E863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/E/E_init.mp4',
uri: 'E_init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/video/E/E864.m4f',
timeline: 111,
uri: 'E864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
},
{
attributes: {
'AUDIO': 'audio',
'BANDWIDTH': 5256859,
'CODECS': 'avc1.640020',
'NAME': 'F',
'PROGRAM-ID': 1,
'RESOLUTION': {
height: 720,
width: 1280
},
'SUBTITLES': 'subs'
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
timelineStarts: [
{ start: 111, timeline: 111}
],
discontinuityStarts: [0],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/video/F/F_init.mp4',
uri: 'F_init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/video/F/F862.m4f',
timeline: 111,
uri: 'F862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/F/F_init.mp4',
uri: 'F_init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/video/F/F863.m4f',
timeline: 111,
uri: 'F863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/F/F_init.mp4',
uri: 'F_init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/video/F/F864.m4f',
timeline: 111,
uri: 'F864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
},
{
attributes: {
'AUDIO': 'audio',
'BANDWIDTH': 240781,
'CODECS': 'avc1.4d000d',
'NAME': 'A',
'PROGRAM-ID': 1,
'RESOLUTION': {
height: 234,
width: 416
},
'SUBTITLES': 'subs'
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
timelineStarts: [
{ start: 111, timeline: 111}
],
discontinuityStarts: [0],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/video/A/A_init.mp4',
uri: 'A_init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/video/A/A862.m4f',
timeline: 111,
uri: 'A862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/A/A_init.mp4',
uri: 'A_init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/video/A/A863.m4f',
timeline: 111,
uri: 'A863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/A/A_init.mp4',
uri: 'A_init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/video/A/A864.m4f',
timeline: 111,
uri: 'A864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
},
{
attributes: {
'AUDIO': 'audio',
'BANDWIDTH': 494354,
'CODECS': 'avc1.4d001e',
'NAME': 'B',
'PROGRAM-ID': 1,
'RESOLUTION': {
height: 360,
width: 640
},
'SUBTITLES': 'subs'
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
timelineStarts: [
{ start: 111, timeline: 111}
],
discontinuityStarts: [0],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/video/B/B_init.mp4',
uri: 'B_init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/video/B/B862.m4f',
timeline: 111,
uri: 'B862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/B/B_init.mp4',
uri: 'B_init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/video/B/B863.m4f',
timeline: 111,
uri: 'B863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/B/B_init.mp4',
uri: 'B_init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/video/B/B864.m4f',
timeline: 111,
uri: 'B864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
},
{
attributes: {
'AUDIO': 'audio',
'BANDWIDTH': 1277155,
'CODECS': 'avc1.4d001f',
'NAME': 'C',
'PROGRAM-ID': 1,
'RESOLUTION': {
height: 540,
width: 960
},
'SUBTITLES': 'subs'
},
endList: false,
mediaSequence: 7,
discontinuitySequence: 2,
timelineStarts: [
{ start: 111, timeline: 111}
],
discontinuityStarts: [0],
resolvedUri: '',
segments: [
{
discontinuity: true,
duration: 1,
map: {
resolvedUri: 'http://example.com/video/C/C_init.mp4',
uri: 'C_init.mp4'
},
presentationTime: 111,
number: 7,
resolvedUri: 'http://example.com/video/C/C862.m4f',
timeline: 111,
uri: 'C862.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/C/C_init.mp4',
uri: 'C_init.mp4'
},
presentationTime: 112,
number: 8,
resolvedUri: 'http://example.com/video/C/C863.m4f',
timeline: 111,
uri: 'C863.m4f'
},
{
duration: 1,
map: {
resolvedUri: 'http://example.com/video/C/C_init.mp4',
uri: 'C_init.mp4'
},
presentationTime: 113,
number: 9,
resolvedUri: 'http://example.com/video/C/C864.m4f',
timeline: 111,
uri: 'C864.m4f'
}
],
targetDuration: 1,
timeline: 111,
uri: ''
}
],
segments: [],
suggestedPresentationDelay: 6,
uri: ''
};

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node_modules/mpd-parser/test/manifests/multiperiod-startnumber-removed-periods.mpd generated vendored Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<MPD
xmlns:cenc="urn:mpeg:cenc:2013"
availabilityStartTime="2021-03-18T20:00:36Z"
maxSegmentDuration="PT2S"
minBufferTime="PT2S"
minimumUpdatePeriod="PT2S"
profiles="urn:mpeg:dash:profile:isoff-live:2011"
publishTime="2021-03-18T20:32:55Z"
suggestedPresentationDelay="PT6S"
timeShiftBufferDepth="PT180.000S"
type="dynamic"
xmlns="urn:mpeg:dash:schema:mpd:2011">
<Period id="111" start="PT111S">
<AdaptationSet
audioSamplingRate="48000"
contentType="audio"
group="1"
lang="en"
mimeType="audio/mp4"
segmentAlignment="true"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<Representation
bandwidth="129262"
codecs="mp4a.40.5"
id="v0">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" />
<BaseURL>http://example.com/audio/v0/</BaseURL>
<SegmentTemplate
initialization="init.mp4"
media="$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
id="1"
maxFrameRate="60.0"
maxHeight="720"
maxWidth="1280"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<SupplementalProperty schemeIdUri="urn:mpeg:dash:adaptation-set-switching:2016" value="2" />
<Representation
bandwidth="2942295"
codecs="avc1.4d001f"
frameRate="30.0"
height="720"
id="D"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/D/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="4267536"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="E"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="5256859"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="F"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/F/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
id="2"
maxFrameRate="30.0"
maxHeight="540"
maxWidth="960"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<Representation
bandwidth="240781"
codecs="avc1.4d000d"
frameRate="30.0"
height="234"
id="A"
scanType="progressive"
width="416">
<BaseURL>http://example.com/video/A/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="494354"
codecs="avc1.4d001e"
frameRate="30.0"
height="360"
id="B"
scanType="progressive"
width="640">
<BaseURL>http://example.com/video/B/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="1277155"
codecs="avc1.4d001f"
frameRate="30.0"
height="540"
id="C"
scanType="progressive"
width="960">
<BaseURL>http://example.com/video/C/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
</Period>
<UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-iso:2014" value="http://example.com//utcservertime" />
</MPD>

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node_modules/mpd-parser/test/manifests/multiperiod-startnumber.js generated vendored Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<MPD
xmlns:cenc="urn:mpeg:cenc:2013"
availabilityStartTime="2021-03-18T20:00:36Z"
maxSegmentDuration="PT2S"
minBufferTime="PT2S"
minimumUpdatePeriod="PT2S"
profiles="urn:mpeg:dash:profile:isoff-live:2011"
publishTime="2021-03-18T20:32:55Z"
suggestedPresentationDelay="PT6S"
timeShiftBufferDepth="PT180.000S"
type="dynamic"
xmlns="urn:mpeg:dash:schema:mpd:2011">
<Period id="100" start="PT100S">
<AdaptationSet
audioSamplingRate="48000"
contentType="audio"
group="1"
lang="en"
mimeType="audio/mp4"
segmentAlignment="true"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<Representation bandwidth="129262" codecs="mp4a.40.5" id="v0">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" />
<BaseURL>http://example.com/audio/1</BaseURL>
<SegmentTemplate
initialization="init.mp4"
media="$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
id="1"
maxFrameRate="60.0"
maxHeight="720"
maxWidth="1280"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<Representation
bandwidth="2942295"
codecs="avc1.4d001f"
frameRate="30.0"
height="720"
id="D"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/D/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="4267536"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="E"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="5256859"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="F"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
id="2"
maxFrameRate="30.0"
maxHeight="540"
maxWidth="960"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<Representation
bandwidth="240781"
codecs="avc1.4d000d"
frameRate="30.0"
height="234"
id="A"
scanType="progressive"
width="416">
<BaseURL>http://example.com/video/A/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="494354"
codecs="avc1.4d001e"
frameRate="30.0"
height="360"
id="B"
scanType="progressive"
width="640">
<BaseURL>http://example.com/video/B/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="1277155"
codecs="avc1.4d001e"
frameRate="30.0"
height="540"
id="C"
scanType="progressive"
width="960">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9000000"
startNumber="500"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9000000" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
</Period>
<Period id="103" start="PT103S">
<AdaptationSet
audioSamplingRate="48000"
contentType="audio"
group="1"
lang="en"
mimeType="audio/mp4"
segmentAlignment="true"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<Representation
bandwidth="128352"
codecs="mp4a.40.5"
id="v0">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" />
<BaseURL>http://example.com/audio/v0/</BaseURL>
<SegmentTemplate
initialization="init.mp4"
media="$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<Representation
bandwidth="2723305"
codecs="avc1.4d001f"
frameRate="30.0"
height="720"
id="D"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/D/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="2062244"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="E"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="2215557"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="F"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/F/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="200480"
codecs="avc1.4d000d"
frameRate="30.0"
height="234"
id="A"
scanType="progressive"
width="416">
<BaseURL>http://example.com/video/A/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="411478"
codecs="avc1.4d001e"
frameRate="30.0"
height="360"
id="B"
scanType="progressive"
width="640">
<BaseURL>http://example.com/video/B/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="1048480"
codecs="avc1.4d001f"
frameRate="30.0"
height="540"
id="C"
scanType="progressive"
width="960">
<BaseURL>http://example.com/video/C/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
</Period>
<Period id="107" start="PT107S">
<AdaptationSet
audioSamplingRate="48000"
contentType="audio"
group="1"
lang="en"
mimeType="audio/mp4"
segmentAlignment="true"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<Representation
bandwidth="128352"
codecs="mp4a.40.5"
id="v0">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" />
<BaseURL>http://example.com/audio/v0/</BaseURL>
<SegmentTemplate
initialization="init.mp4"
media="$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<Representation
bandwidth="2723305"
codecs="avc1.4d001f"
frameRate="30.0"
height="720"
id="D"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/D/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="2062244"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="E"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="2215557"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="F"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/F/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="200480"
codecs="avc1.4d000d"
frameRate="30.0"
height="234"
id="A"
scanType="progressive"
width="416">
<BaseURL>http://example.com/video/A/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="411478"
codecs="avc1.4d001e"
frameRate="30.0"
height="360"
id="B"
scanType="progressive"
width="640">
<BaseURL>http://example.com/video/B/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="1048480"
codecs="avc1.4d001f"
frameRate="30.0"
height="540"
id="C"
scanType="progressive"
width="960">
<BaseURL>http://example.com/video/C/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
startNumber="0"
timescale="90000">
<SegmentTimeline>
<S d="180000" r="1" t="0" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
</Period>
<Period id="111" start="PT111S">
<AdaptationSet
audioSamplingRate="48000"
contentType="audio"
group="1"
lang="en"
mimeType="audio/mp4"
segmentAlignment="true"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<Representation
bandwidth="129262"
codecs="mp4a.40.5"
id="v0">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2" />
<BaseURL>http://example.com/audio/v0/</BaseURL>
<SegmentTemplate
initialization="init.mp4"
media="$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
id="1"
maxFrameRate="60.0"
maxHeight="720"
maxWidth="1280"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<SupplementalProperty schemeIdUri="urn:mpeg:dash:adaptation-set-switching:2016" value="2" />
<Representation
bandwidth="2942295"
codecs="avc1.4d001f"
frameRate="30.0"
height="720"
id="D"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/D/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="4267536"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="E"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/E/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="5256859"
codecs="avc1.640020"
frameRate="60.0"
height="720"
id="F"
scanType="progressive"
width="1280">
<BaseURL>http://example.com/video/F/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
<AdaptationSet
contentType="video"
id="2"
maxFrameRate="30.0"
maxHeight="540"
maxWidth="960"
mimeType="video/mp4"
segmentAlignment="true"
startWithSAP="1">
<Representation
bandwidth="240781"
codecs="avc1.4d000d"
frameRate="30.0"
height="234"
id="A"
scanType="progressive"
width="416">
<BaseURL>http://example.com/video/A/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="494354"
codecs="avc1.4d001e"
frameRate="30.0"
height="360"
id="B"
scanType="progressive"
width="640">
<BaseURL>http://example.com/video/B/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
<Representation
bandwidth="1277155"
codecs="avc1.4d001f"
frameRate="30.0"
height="540"
id="C"
scanType="progressive"
width="960">
<BaseURL>http://example.com/video/C/</BaseURL>
<SegmentTemplate
initialization="$RepresentationID$_init.mp4"
media="$RepresentationID$$Number%03d$.m4f"
presentationTimeOffset="9989999"
startNumber="862"
timescale="90000">
<SegmentTimeline>
<S d="90000" r="2" t="9989999" />
</SegmentTimeline>
</SegmentTemplate>
</Representation>
</AdaptationSet>
</Period>
<UTCTiming schemeIdUri="urn:mpeg:dash:utc:http-iso:2014" value="http://example.com//utcservertime" />
</MPD>

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node_modules/mpd-parser/test/playlist-merge.test.js generated vendored Normal file
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