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Watch.js
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Watch.js
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import { defineComponent } from 'vue'
import { mapActions } from 'vuex'
import fs from 'fs/promises'
import FtLoader from '../../components/ft-loader/ft-loader.vue'
import FtVideoPlayer from '../../components/ft-video-player/ft-video-player.vue'
import WatchVideoInfo from '../../components/watch-video-info/watch-video-info.vue'
import WatchVideoChapters from '../../components/watch-video-chapters/watch-video-chapters.vue'
import WatchVideoDescription from '../../components/watch-video-description/watch-video-description.vue'
import WatchVideoComments from '../../components/watch-video-comments/watch-video-comments.vue'
import WatchVideoLiveChat from '../../components/watch-video-live-chat/watch-video-live-chat.vue'
import WatchVideoPlaylist from '../../components/watch-video-playlist/watch-video-playlist.vue'
import WatchVideoRecommendations from '../../components/watch-video-recommendations/watch-video-recommendations.vue'
import FtAgeRestricted from '../../components/ft-age-restricted/ft-age-restricted.vue'
import { pathExists } from '../../helpers/filesystem'
import {
buildVTTFileLocally,
copyToClipboard,
formatDurationAsTimestamp,
formatNumber,
getFormatsFromHLSManifest,
getUserDataPath,
showToast
} from '../../helpers/utils'
import {
filterLocalFormats,
getLocalVideoInfo,
mapLocalFormat,
parseLocalSubscriberCount,
parseLocalTextRuns,
parseLocalWatchNextVideo
} from '../../helpers/api/local'
import {
convertInvidiousToLocalFormat,
filterInvidiousFormats,
generateInvidiousDashManifestLocally,
invidiousGetVideoInformation,
youtubeImageUrlToInvidious
} from '../../helpers/api/invidious'
/**
* @typedef {object} AudioSource
* @property {string} url
* @property {string} type
* @property {string} label
* @property {string} qualityLabel
*
* @typedef {object} AudioTrack
* @property {string} id
* @property {('main'|'translation'|'descriptions'|'alternative')} kind - https://videojs.com/guides/audio-tracks/#kind
* @property {string} label
* @property {string} language
* @property {boolean} isDefault
* @property {AudioSource[]} sourceList
*/
import MusicControls from 'music-controls'
export default defineComponent({
name: 'Watch',
components: {
'ft-loader': FtLoader,
'ft-video-player': FtVideoPlayer,
'watch-video-info': WatchVideoInfo,
'watch-video-chapters': WatchVideoChapters,
'watch-video-description': WatchVideoDescription,
'watch-video-comments': WatchVideoComments,
'watch-video-live-chat': WatchVideoLiveChat,
'watch-video-playlist': WatchVideoPlaylist,
'watch-video-recommendations': WatchVideoRecommendations,
'ft-age-restricted': FtAgeRestricted
},
beforeRouteLeave: function (to, from, next) {
this.handleRouteChange(this.videoId)
window.removeEventListener('beforeunload', this.handleWatchProgress)
next()
},
data: function () {
return {
isLoading: true,
firstLoad: true,
useTheatreMode: false,
videoPlayerReady: false,
showDashPlayer: true,
showLegacyPlayer: false,
hidePlayer: false,
isFamilyFriendly: false,
isLive: false,
liveChat: null,
isLiveContent: false,
isUpcoming: false,
isPostLiveDvr: false,
upcomingTimestamp: null,
upcomingTimeLeft: null,
activeFormat: 'legacy',
thumbnail: '',
videoId: '',
videoTitle: '',
videoDescription: '',
videoDescriptionHtml: '',
videoViewCount: 0,
videoLikeCount: 0,
videoDislikeCount: 0,
videoLengthSeconds: 0,
videoChapters: [],
videoCurrentChapterIndex: 0,
channelName: '',
channelThumbnail: '',
channelId: '',
channelSubscriptionCountText: '',
videoPublished: 0,
videoStoryboardSrc: '',
dashSrc: [],
activeSourceList: [],
videoSourceList: [],
audioSourceList: [],
/**
* @type {AudioTrack[]}
*/
audioTracks: [],
adaptiveFormats: [],
captionHybridList: [], // [] -> Promise[] -> string[] (URIs)
recommendedVideos: [],
downloadLinks: [],
watchingPlaylist: false,
playlistId: '',
timestamp: null,
playNextTimeout: null,
playNextCountDownIntervalId: null,
infoAreaSticky: true,
commentsEnabled: true,
}
},
computed: {
historyEntry: function () {
return this.$store.getters.getHistoryCacheById[this.videoId]
},
historyEntryExists: function () {
return typeof this.historyEntry !== 'undefined'
},
rememberHistory: function () {
return this.$store.getters.getRememberHistory
},
removeVideoMetaFiles: function () {
return this.$store.getters.getRemoveVideoMetaFiles
},
saveWatchedProgress: function () {
return this.$store.getters.getSaveWatchedProgress
},
saveVideoHistoryWithLastViewedPlaylist: function () {
return this.$store.getters.getSaveVideoHistoryWithLastViewedPlaylist
},
backendPreference: function () {
return this.$store.getters.getBackendPreference
},
backendFallback: function () {
return this.$store.getters.getBackendFallback
},
currentInvidiousInstance: function () {
return this.$store.getters.getCurrentInvidiousInstance
},
proxyVideos: function () {
return this.$store.getters.getProxyVideos
},
defaultInterval: function () {
return this.$store.getters.getDefaultInterval
},
defaultTheatreMode: function () {
return this.$store.getters.getDefaultTheatreMode
},
defaultVideoFormat: function () {
return this.$store.getters.getDefaultVideoFormat
},
forceLocalBackendForLegacy: function () {
return this.$store.getters.getForceLocalBackendForLegacy
},
thumbnailPreference: function () {
return this.$store.getters.getThumbnailPreference
},
playNextVideo: function () {
return this.$store.getters.getPlayNextVideo
},
autoplayPlaylists: function () {
return this.$store.getters.getAutoplayPlaylists
},
hideRecommendedVideos: function () {
return this.$store.getters.getHideRecommendedVideos
},
hideLiveChat: function () {
return this.$store.getters.getHideLiveChat
},
hideComments: function () {
return this.$store.getters.getHideComments
},
hideVideoDescription: function () {
return this.$store.getters.getHideVideoDescription
},
showFamilyFriendlyOnly: function () {
return this.$store.getters.getShowFamilyFriendlyOnly
},
hideChannelSubscriptions: function () {
return this.$store.getters.getHideChannelSubscriptions
},
hideVideoLikesAndDislikes: function () {
return this.$store.getters.getHideVideoLikesAndDislikes
},
theatrePossible: function () {
return !this.hideRecommendedVideos || (!this.hideLiveChat && this.isLive) || this.watchingPlaylist
},
currentLocale: function () {
return this.$i18n.locale.replace('_', '-')
},
hideChapters: function () {
return this.$store.getters.getHideChapters
},
allowDashAv1Formats: function () {
return this.$store.getters.getAllowDashAv1Formats
},
showThumbnailInMediaControls: function () {
return this.$store.getters.getShowThumbnailInMediaControls
}
},
watch: {
thumbnail() {
if (process.env.IS_CORDOVA) {
if (MusicControls === undefined) {
console.error('Music controls plugin failed to load.')
} else {
const data = {
track: this.videoTitle,
artist: this.channelName
}
if (this.showThumbnailInMediaControls) {
data.cover = this.thumbnail
}
MusicControls.create(data)
const playPauseListeners = []
MusicControls.subscribe((action) => {
try {
const { player } = this.$refs.videoPlayer
if (playPauseListeners.length === 0) {
playPauseListeners.push(player.el().querySelector('video').addEventListener('pause', () => {
MusicControls.updateIsPlaying(false)
}), player.el().querySelector('video').addEventListener('play', () => {
MusicControls.updateIsPlaying(true)
}))
}
if (JSON.parse(action).message === 'music-controls-play' || JSON.parse(action).message === 'music-controls-pause') {
if (!player.paused()) {
player.pause()
} else {
player.play()
}
} else {
switch (JSON.parse(action).message) {
case 'music-controls-next':
// TODO implement next control
if (this.watchingPlaylist) {
this.$refs.watchVideoPlaylist.playNextVideo()
} else {
const nextVideoId = this.recommendedVideos[0].videoId
this.$router.push({
path: `/watch/${nextVideoId}`
})
showToast(this.$t('Playing Next Video'))
}
break
case 'music-controls-previous':
// TODO implement previous control
history.back()
break
}
}
MusicControls.updateIsPlaying(!player.paused())
} catch (error) {
console.warn(error)
}
})
MusicControls.listen()
}
}
},
$route() {
this.handleRouteChange(this.videoId)
// react to route changes...
this.videoId = this.$route.params.id
this.firstLoad = true
this.videoPlayerReady = false
this.activeFormat = this.defaultVideoFormat
this.videoStoryboardSrc = ''
this.captionHybridList = []
this.downloadLinks = []
this.videoCurrentChapterIndex = 0
this.audioTracks = []
this.checkIfPlaylist()
this.checkIfTimestamp()
switch (this.backendPreference) {
case 'local':
this.getVideoInformationLocal(this.videoId)
break
case 'invidious':
this.getVideoInformationInvidious(this.videoId)
if (this.forceLocalBackendForLegacy) {
this.getVideoInformationLocal(this.videoId)
}
break
}
}
},
mounted: function () {
this.videoId = this.$route.params.id
this.activeFormat = this.defaultVideoFormat
this.useTheatreMode = this.defaultTheatreMode && this.theatrePossible
this.checkIfPlaylist()
this.checkIfTimestamp()
if (!(process.env.IS_ELECTRON || process.env.IS_CORDOVA) || this.backendPreference === 'invidious') {
this.getVideoInformationInvidious()
} else {
this.getVideoInformationLocal()
}
window.addEventListener('beforeunload', this.handleWatchProgress)
},
methods: {
setHlsUrl: async function (hlsUrl) {
try {
const formats = await getFormatsFromHLSManifest(hlsUrl)
this.videoSourceList = formats
.sort((formatA, formatB) => {
return formatB.height - formatA.height
})
.map((format) => {
return {
url: format.url,
fps: format.fps,
type: 'application/x-mpegURL',
label: 'Dash',
qualityLabel: `${format.height}p`
}
})
} catch (e) {
console.error('Failed to extract formats form HLS manifest, falling back to passing it directly to video.js', e)
this.videoSourceList = [
{
url: hlsUrl,
type: 'application/x-mpegURL',
label: 'Dash',
qualityLabel: 'Live'
}
]
}
},
changeTimestamp: function (timestamp) {
this.$refs.videoPlayer.player.currentTime(timestamp)
},
getVideoInformationLocal: async function () {
if (this.firstLoad) {
this.isLoading = true
}
try {
let result = await getLocalVideoInfo(this.videoId)
this.isFamilyFriendly = result.basic_info.is_family_safe
this.recommendedVideos = result.watch_next_feed
?.filter((item) => item.type === 'CompactVideo')
.map(parseLocalWatchNextVideo) ?? []
if (this.showFamilyFriendlyOnly && !this.isFamilyFriendly) {
this.isLoading = false
this.handleVideoEnded()
return
}
let playabilityStatus = result.playability_status
let bypassedResult = null
if (playabilityStatus.status === 'LOGIN_REQUIRED') {
// try to bypass the age restriction
bypassedResult = await getLocalVideoInfo(this.videoId, true)
playabilityStatus = result.playability_status
}
if (playabilityStatus.status === 'UNPLAYABLE') {
/**
* @type {import ('youtubei.js').YTNodes.PlayerErrorMessage}
*/
const errorScreen = playabilityStatus.error_screen
throw new Error(`[${playabilityStatus.status}] ${errorScreen.reason.text}: ${errorScreen.subreason.text}`)
}
// extract localised title first and fall back to the not localised one
this.videoTitle = result.primary_info?.title.text ?? result.basic_info.title
this.videoViewCount = result.basic_info.view_count
this.channelId = result.basic_info.channel_id
this.channelName = result.basic_info.author
if (result.secondary_info.owner?.author) {
this.channelThumbnail = result.secondary_info.owner.author.best_thumbnail?.url ?? ''
} else {
this.channelThumbnail = ''
}
this.updateSubscriptionDetails({
channelThumbnailUrl: this.channelThumbnail.length === 0 ? null : this.channelThumbnail,
channelName: this.channelName,
channelId: this.channelId
})
// `result.page[0].microformat.publish_date` example value: `2023-08-12T08:59:59-07:00`
this.videoPublished = new Date(result.page[0].microformat.publish_date).getTime()
if (result.secondary_info?.description.runs) {
try {
this.videoDescription = parseLocalTextRuns(result.secondary_info.description.runs)
} catch (error) {
console.error('Failed to extract the localised description, falling back to the standard one.', error, JSON.stringify(result.secondary_info.description.runs))
this.videoDescription = result.basic_info.short_description
}
} else {
this.videoDescription = result.basic_info.short_description
}
switch (this.thumbnailPreference) {
case 'start':
this.thumbnail = `https://i.ytimg.com/vi/${this.videoId}/maxres1.jpg`
break
case 'middle':
this.thumbnail = `https://i.ytimg.com/vi/${this.videoId}/maxres2.jpg`
break
case 'end':
this.thumbnail = `https://i.ytimg.com/vi/${this.videoId}/maxres3.jpg`
break
default:
this.thumbnail = result.basic_info.thumbnail[0].url
break
}
if (this.hideVideoLikesAndDislikes) {
this.videoLikeCount = null
this.videoDislikeCount = null
} else {
this.videoLikeCount = isNaN(result.basic_info.like_count) ? 0 : result.basic_info.like_count
// YouTube doesn't return dislikes anymore
this.videoDislikeCount = 0
}
this.isLive = !!result.basic_info.is_live
this.isUpcoming = !!result.basic_info.is_upcoming
this.isLiveContent = !!result.basic_info.is_live_content
this.isPostLiveDvr = !!result.basic_info.is_post_live_dvr
const subCount = !result.secondary_info.owner.subscriber_count.isEmpty() ? parseLocalSubscriberCount(result.secondary_info.owner.subscriber_count.text) : NaN
if (!isNaN(subCount)) {
this.channelSubscriptionCountText = formatNumber(subCount, subCount >= 10000 ? { notation: 'compact' } : undefined)
} else {
this.channelSubscriptionCountText = ''
}
let chapters = []
if (!this.hideChapters) {
const rawChapters = result.player_overlays?.decorated_player_bar?.player_bar?.markers_map?.get({ marker_key: 'DESCRIPTION_CHAPTERS' })?.value.chapters
if (rawChapters) {
for (const chapter of rawChapters) {
const start = chapter.time_range_start_millis / 1000
chapters.push({
title: chapter.title.text,
timestamp: formatDurationAsTimestamp(start),
startSeconds: start,
endSeconds: 0,
thumbnail: chapter.thumbnail[0].url
})
}
} else {
chapters = this.extractChaptersFromDescription(result.basic_info.short_description)
}
if (chapters.length > 0) {
this.addChaptersEndSeconds(chapters, result.basic_info.duration)
// prevent vue from adding reactivity which isn't needed
// as the chapter objects are read-only after this anyway
// the chapters are checked for every timeupdate event that the player emits
// this should lessen the performance and memory impact of the chapters
chapters.forEach(Object.freeze)
}
}
this.videoChapters = chapters
if (!this.hideLiveChat && this.isLive && result.livechat) {
this.liveChat = result.getLiveChat()
} else {
this.liveChat = null
}
// region No comment detection
// For videos without any comment (comment disabled?)
// e.g. https://youtu.be/8NBSwDEf8a8
//
// `comments_entry_point_header` is null probably when comment disabled
// e.g. https://youtu.be/8NBSwDEf8a8
// However videos with comments enabled but have no comment
// are different (which is not detected here)
this.commentsEnabled = result.comments_entry_point_header != null
// endregion No comment detection
// the bypassed result is missing some of the info that we extract in the code above
// so we only overwrite the result here
// we need the bypassed result for the streaming data and the subtitles
if (bypassedResult) {
result = bypassedResult
}
if ((this.isLive || this.isPostLiveDvr) && !this.isUpcoming) {
await this.setHlsUrl(result.streaming_data.hls_manifest_url)
this.showLegacyPlayer = true
this.showDashPlayer = false
this.activeFormat = 'legacy'
this.activeSourceList = this.videoSourceList
this.audioSourceList = null
this.dashSrc = null
} else if (this.isUpcoming) {
const upcomingTimestamp = result.basic_info.start_timestamp
if (upcomingTimestamp) {
const timestampOptions = {
month: 'long',
day: 'numeric',
hour: 'numeric',
minute: '2-digit'
}
const now = new Date()
if (now.getFullYear() < upcomingTimestamp.getFullYear()) {
Object.defineProperty(timestampOptions, 'year', {
value: 'numeric'
})
}
this.upcomingTimestamp = Intl.DateTimeFormat(this.currentLocale, timestampOptions).format(upcomingTimestamp)
let upcomingTimeLeft = upcomingTimestamp - now
// Convert from ms to second to minute
upcomingTimeLeft = (upcomingTimeLeft / 1000) / 60
let timeUnit = 'minute'
// Youtube switches to showing time left in minutes at 120 minutes remaining
if (upcomingTimeLeft > 120) {
upcomingTimeLeft /= 60
timeUnit = 'hour'
}
if (timeUnit === 'hour' && upcomingTimeLeft > 24) {
upcomingTimeLeft /= 24
timeUnit = 'day'
}
// Value after decimal not to be displayed
// e.g. > 2 days = display as `2 days`
upcomingTimeLeft = Math.floor(upcomingTimeLeft)
// Displays when less than a minute remains
// Looks better than `Premieres in x seconds`
if (upcomingTimeLeft < 1) {
this.upcomingTimeLeft = this.$t('Video.Published.In less than a minute').toLowerCase()
} else {
// TODO a I18n entry for time format might be needed here
this.upcomingTimeLeft = new Intl.RelativeTimeFormat(this.currentLocale).format(upcomingTimeLeft, timeUnit)
}
} else {
this.upcomingTimestamp = null
this.upcomingTimeLeft = null
}
} else {
this.videoLengthSeconds = result.basic_info.duration
if (result.streaming_data) {
if (result.streaming_data.formats.length > 0) {
this.videoSourceList = result.streaming_data.formats.map(mapLocalFormat).reverse()
} else {
this.videoSourceList = filterLocalFormats(result.streaming_data.adaptive_formats, this.allowDashAv1Formats).map(mapLocalFormat).reverse()
}
this.adaptiveFormats = this.videoSourceList
/** @type {import('../../helpers/api/local').LocalFormat[]} */
const formats = [...result.streaming_data.formats, ...result.streaming_data.adaptive_formats]
this.downloadLinks = formats.map((format) => {
const qualityLabel = format.quality_label ?? format.bitrate
const fps = format.fps ? `${format.fps}fps` : 'kbps'
const type = format.mime_type.match(/.*;/)[0].replace(';', '')
let label = `${qualityLabel} ${fps} - ${type}`
if (format.has_audio !== format.has_video) {
if (format.has_video) {
label += ` ${this.$t('Video.video only')}`
} else {
label += ` ${this.$t('Video.audio only')}`
}
}
return {
url: format.freeTubeUrl,
label: label
}
})
if (result.captions) {
const captionTracks = result.captions.caption_tracks.map((caption) => {
return {
url: caption.base_url,
label: caption.name.text,
language_code: caption.language_code,
kind: caption.kind
}
})
if (this.currentLocale) {
const noLocaleCaption = !captionTracks.some(track =>
track.language_code === this.currentLocale && track.kind !== 'asr'
)
if (!this.currentLocale.startsWith('en') && noLocaleCaption) {
captionTracks.forEach((caption) => {
this.tryAddingTranslatedLocaleCaption(captionTracks, this.currentLocale, caption.url)
})
}
}
this.captionHybridList = this.createCaptionPromiseList(captionTracks)
const captionLinks = captionTracks.map((caption) => {
const label = `${caption.label} (${caption.language_code}) - text/vtt`
return {
url: caption.url,
label: label
}
})
this.downloadLinks = this.downloadLinks.concat(captionLinks)
}
} else {
// video might be region locked or something else. This leads to no formats being available
showToast(
this.$t('This video is unavailable because of missing formats. This can happen due to country unavailability.'),
7000
)
this.handleVideoEnded()
return
}
if (result.streaming_data?.adaptive_formats.length > 0) {
const audioFormats = result.streaming_data.adaptive_formats.filter((format) => {
return format.has_audio
})
const hasMultipleAudioTracks = audioFormats.some(format => format.audio_track)
if (hasMultipleAudioTracks) {
const audioTracks = this.createAudioTracksFromLocalFormats(audioFormats)
this.audioTracks = audioTracks
this.audioSourceList = audioTracks.find(track => track.isDefault).sourceList
} else {
this.audioTracks = []
this.audioSourceList = this.createLocalAudioSourceList(audioFormats)
}
// we need to alter the result object so the toDash function uses the filtered formats too
result.streaming_data.adaptive_formats = filterLocalFormats(result.streaming_data.adaptive_formats, this.allowDashAv1Formats)
// When `this.proxyVideos` is true
// It's possible that the Invidious instance used, only supports a subset of the formats from Local API
// i.e. the value passed into `adaptiveFormats`
// e.g. Supports 720p60, but not 720p - https://[DOMAIN_NAME]/api/manifest/dash/id/v3wm83zoSSY?local=true
if (this.proxyVideos) {
this.adaptiveFormats = await this.getAdaptiveFormatsInvidious()
this.dashSrc = await this.createInvidiousDashManifest()
} else {
this.adaptiveFormats = result.streaming_data.adaptive_formats.map(mapLocalFormat)
this.dashSrc = await this.createLocalDashManifest(result)
}
if (this.activeFormat === 'audio') {
this.activeSourceList = this.audioSourceList
} else {
this.activeSourceList = this.videoSourceList
}
} else {
this.activeSourceList = this.videoSourceList
this.audioSourceList = null
this.dashSrc = null
this.enableLegacyFormat()
}
if (result.storyboards?.type === 'PlayerStoryboardSpec' && process.env.IS_ELECTRON) {
await this.createLocalStoryboardUrls(result.storyboards.boards.at(-1))
}
}
this.isLoading = false
this.updateTitle()
} catch (err) {
const errorMessage = this.$t('Local API Error (Click to copy)')
showToast(`${errorMessage}: ${err}`, 10000, () => {
copyToClipboard(err)
})
console.error(err)
if (this.backendPreference === 'local' && this.backendFallback && !err.toString().includes('private')) {
showToast(this.$t('Falling back to Invidious API'))
// Invidious doesn't support multiple audio tracks, so we need to clear this to prevent the player getting confused
this.audioTracks = []
this.getVideoInformationInvidious()
} else {
this.isLoading = false
}
}
},
getVideoInformationInvidious: function () {
if (this.firstLoad) {
this.isLoading = true
}
this.videoStoryboardSrc = `${this.currentInvidiousInstance}/api/v1/storyboards/${this.videoId}?height=90`
invidiousGetVideoInformation(this.videoId)
.then(async result => {
if (result.error) {
throw new Error(result.error)
}
this.videoTitle = result.title
this.videoViewCount = result.viewCount
this.channelSubscriptionCountText = isNaN(result.subCountText) ? '' : result.subCountText
if (this.hideVideoLikesAndDislikes) {
this.videoLikeCount = null
this.videoDislikeCount = null
} else {
this.videoLikeCount = result.likeCount
this.videoDislikeCount = result.dislikeCount
}
this.channelId = result.authorId
this.channelName = result.author
const channelThumb = result.authorThumbnails[1]
this.channelThumbnail = channelThumb ? youtubeImageUrlToInvidious(channelThumb.url, this.currentInvidiousInstance) : ''
this.updateSubscriptionDetails({
channelThumbnailUrl: channelThumb?.url,
channelName: result.author,
channelId: result.authorId
})
this.videoPublished = result.published * 1000
this.videoDescriptionHtml = result.descriptionHtml
this.recommendedVideos = result.recommendedVideos
this.adaptiveFormats = await this.getAdaptiveFormatsInvidious(result)
this.isLive = result.liveNow
this.isFamilyFriendly = result.isFamilyFriendly
this.captionHybridList = result.captions.map(caption => {
caption.url = this.currentInvidiousInstance + caption.url
caption.type = ''
caption.dataSource = 'invidious'
return caption
})
switch (this.thumbnailPreference) {
case 'start':
this.thumbnail = `${this.currentInvidiousInstance}/vi/${this.videoId}/maxres1.jpg`
break
case 'middle':
this.thumbnail = `${this.currentInvidiousInstance}/vi/${this.videoId}/maxres2.jpg`
break
case 'end':
this.thumbnail = `${this.currentInvidiousInstance}/vi/${this.videoId}/maxres3.jpg`
break
default:
this.thumbnail = result.videoThumbnails[0].url
break
}
let chapters = []
if (!this.hideChapters) {
chapters = this.extractChaptersFromDescription(result.description)
if (chapters.length > 0) {
this.addChaptersEndSeconds(chapters, result.lengthSeconds)
// prevent vue from adding reactivity which isn't needed
// as the chapter objects are read-only after this anyway
// the chapters are checked for every timeupdate event that the player emits
// this should lessen the performance and memory impact of the chapters
chapters.forEach(Object.freeze)
}
}
this.videoChapters = chapters
if (this.isLive) {
this.showLegacyPlayer = true
this.showDashPlayer = false
this.activeFormat = 'legacy'
await this.setHlsUrl(result.hlsUrl)
// Grabs the adaptive formats from Invidious. Might be worth making these work.
// The type likely needs to be changed in order for these to be played properly.
// this.videoSourceList = result.adaptiveFormats.filter((format) => {
// if (typeof (format.type) !== 'undefined') {
// return format.type.includes('video/mp4')
// }
// }).map((format) => {
// return {
// url: format.url,
// type: 'application/x-mpegURL',
// label: 'Dash',
// qualityLabel: format.qualityLabel
// }
// })
this.activeSourceList = this.videoSourceList
} else if (this.forceLocalBackendForLegacy) {
this.getLegacyFormats()
} else {
this.videoLengthSeconds = result.lengthSeconds
this.videoSourceList = result.formatStreams.reverse()
this.downloadLinks = result.adaptiveFormats.concat(this.videoSourceList).map((format) => {
const qualityLabel = format.qualityLabel || format.bitrate
const itag = parseInt(format.itag)
const fps = format.fps ? (format.fps + 'fps') : 'kbps'
const type = format.type.match(/.*;/)[0].replace(';', '')
let label = `${qualityLabel} ${fps} - ${type}`
if (itag !== 18 && itag !== 22) {
if (type.includes('video')) {
label += ` ${this.$t('Video.video only')}`
} else {
label += ` ${this.$t('Video.audio only')}`
}
}
const object = {
url: format.url,
label: label
}
return object
}).reverse().concat(result.captions.map((caption) => {
const label = `${caption.label} (${caption.languageCode}) - text/vtt`
const object = {
url: caption.url,
label: label
}
return object
}))
this.audioTracks = []
this.dashSrc = await this.createInvidiousDashManifest()
if (process.env.IS_ELECTRON && this.audioTracks.length > 0) {
// when we are in Electron and the video has multiple audio tracks,
// we populate the list inside createInvidiousDashManifest
// as we need to work out the different audio tracks for the DASH manifest anyway
this.audioSourceList = this.audioTracks.find(track => track.isDefault).sourceList
} else {
this.audioSourceList = result.adaptiveFormats.filter((format) => {
return format.type.includes('audio')
}).map((format) => {
return {
url: format.url,
type: format.type,
label: 'Audio',
qualityLabel: parseInt(format.bitrate)
}
}).sort((a, b) => {
return a.qualityLabel - b.qualityLabel
})
}
if (this.activeFormat === 'audio') {
this.activeSourceList = this.audioSourceList
} else {
this.activeSourceList = this.videoSourceList
}
}
this.updateTitle()
this.isLoading = false
})
.catch(err => {
console.error(err)
const errorMessage = this.$t('Invidious API Error (Click to copy)')
showToast(`${errorMessage}: ${err.responseText}`, 10000, () => {
copyToClipboard(err.responseText)
})
console.error(err)
if (process.env.IS_ELECTRON && this.backendPreference === 'invidious' && this.backendFallback) {
showToast(this.$t('Falling back to Local API'))
this.getVideoInformationLocal()
} else {
this.isLoading = false
}
})
},
/**
* @param {string} description
*/
extractChaptersFromDescription: function (description) {
const chapters = []
// HH:MM:SS Text
// MM:SS Text
// HH:MM:SS - Text // separator is one of '-', '–', '•', '—'
// MM:SS - Text
// HH:MM:SS - HH:MM:SS - Text // end timestamp is ignored, separator is one of '-', '–', '—'
// HH:MM - HH:MM - Text // end timestamp is ignored
const chapterMatches = description.matchAll(/^(?<timestamp>((?<hours>\d+):)?(?<minutes>\d+):(?<seconds>\d+))(\s*[–—-]\s*(?:\d+:){1,2}\d+)?\s+([–—•-]\s*)?(?<title>.+)$/gm)
for (const { groups } of chapterMatches) {
let start = 60 * Number(groups.minutes) + Number(groups.seconds)
if (groups.hours) {
start += 3600 * Number(groups.hours)
}
// replace previous chapter with current one if they have an identical start time
if (chapters.length > 0 && chapters[chapters.length - 1].startSeconds === start) {
chapters.pop()
}
chapters.push({
title: groups.title.trim(),
timestamp: groups.timestamp,
startSeconds: start,
endSeconds: 0
})
}
return chapters
},
addChaptersEndSeconds: function (chapters, videoLengthSeconds) {
for (let i = 0; i < chapters.length - 1; i++) {
chapters[i].endSeconds = chapters[i + 1].startSeconds
}
chapters.at(-1).endSeconds = videoLengthSeconds
},
updateCurrentChapter: function () {
const chapters = this.videoChapters
const currentSeconds = this.getTimestamp()
const currentChapterStart = chapters[this.videoCurrentChapterIndex].startSeconds
if (currentSeconds !== currentChapterStart) {
let i = currentSeconds < currentChapterStart ? 0 : this.videoCurrentChapterIndex
for (; i < chapters.length; i++) {
if (currentSeconds < chapters[i].endSeconds) {
this.videoCurrentChapterIndex = i
break
}
}
}
},
/**
* @param {import('../../helpers/api/local').LocalFormat[]} audioFormats
* @returns {AudioTrack[]}
*/
createAudioTracksFromLocalFormats: function (audioFormats) {
/** @type {string[]} */
const ids = []
/** @type {AudioTrack[]} */
const audioTracks = []
/** @type {import('youtubei.js').Misc.Format[][]} */
const sourceLists = []
for (const format of audioFormats) {
// Some videos with multiple audio tracks, have a broken one, that doesn't have any audio track information
// It seems to be the same as default audio track but broken
// At the time of writing, this video has a broken audio track: https://youtu.be/UJeSWbR6W04
if (!format.audio_track) {
continue
}
const index = ids.indexOf(format.audio_track.id)
if (index === -1) {