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ft-shaka-video-player.js
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import fs from 'fs/promises'
import path from 'path'
import { computed, defineComponent, onBeforeUnmount, onMounted, reactive, ref, shallowRef, watch } from 'vue'
import shaka from 'shaka-player'
import { useI18n } from '../../composables/use-i18n-polyfill'
import store from '../../store/index'
import { IpcChannels } from '../../../constants'
import { AudioTrackSelection } from './player-components/AudioTrackSelection'
import { FullWindowButton } from './player-components/FullWindowButton'
import { LegacyQualitySelection } from './player-components/LegacyQualitySelection'
import { ScreenshotButton } from './player-components/ScreenshotButton'
import { StatsButton } from './player-components/StatsButton'
import { TheatreModeButton } from './player-components/TheatreModeButton'
import {
findMostSimilarAudioBandwidth,
getSponsorBlockSegments,
logShakaError,
repairInvidiousManifest,
sortCaptions,
translateSponsorBlockCategory
} from '../../helpers/player/utils'
import {
getPicturesPath,
showSaveDialog,
showToast
} from '../../helpers/utils'
import { pathExists } from '../../helpers/filesystem'
/** @typedef {import('../../helpers/sponsorblock').SponsorBlockCategory} SponsorBlockCategory */
// The UTF-8 characters "h", "t", "t", and "p".
const HTTP_IN_HEX = 0x68747470
const USE_OVERFLOW_MENU_WIDTH_THRESHOLD = 600
const RequestType = shaka.net.NetworkingEngine.RequestType
const AdvancedRequestType = shaka.net.NetworkingEngine.AdvancedRequestType
const TrackLabelFormat = shaka.ui.Overlay.TrackLabelFormat
/** @type {Map<string, string>} */
const LOCALE_MAPPINGS = new Map(process.env.SHAKA_LOCALE_MAPPINGS)
export default defineComponent({
name: 'FtShakaVideoPlayer',
props: {
format: {
type: String,
required: true
},
manifestSrc: {
type: String,
required: true
},
manifestMimeType: {
type: String,
required: true
},
legacyFormats: {
type: Array,
default: () => ([])
},
startTime: {
type: Number,
default: null
},
captions: {
type: Array,
default: () => ([])
},
chapters: {
type: Array,
default: () => ([])
},
currentChapterIndex: {
type: Number,
default: 0
},
storyboardSrc: {
type: String,
default: ''
},
videoId: {
type: String,
default: ''
},
title: {
type: String,
default: ''
},
thumbnail: {
type: String,
default: ''
},
theatrePossible: {
type: Boolean,
default: false
},
useTheatreMode: {
type: Boolean,
default: false
},
vrProjection: {
type: String,
default: null
}
},
emits: [
'error',
'loaded',
'ended',
'timeupdate',
'toggle-theatre-mode'
],
setup: function (props, { emit, expose }) {
const { locale, t } = useI18n()
/** @type {shaka.Player|null} */
let player = null
/** @type {shaka.ui.Overlay|null} */
let ui = null
const events = new EventTarget()
/** @type {import('vue').Ref<HTMLDivElement | null>} */
const container = ref(null)
/** @type {import('vue').Ref<HTMLVideoElement | null>} */
const video = ref(null)
/** @type {import('vue').Ref<HTMLCanvasElement | null>} */
const vrCanvas = ref(null)
const hasLoaded = ref(false)
const hasMultipleAudioTracks = ref(false)
const isLive = ref(false)
const useOverFlowMenu = ref(false)
const fullWindowEnabled = ref(false)
const forceAspectRatio = ref(false)
const activeLegacyFormat = shallowRef(null)
/**
* @type {{
* url: string,
* label: string,
* language: string,
* mimeType: string,
* isAutotranslated?: boolean
* }[]}
*/
let sortedCaptions
// we don't need to sort if we only have one caption or don't have any
if (props.captions.length > 1) {
// theoretically we would resort when the language changes, but we can't remove captions that we already added to the player
sortedCaptions = sortCaptions(props.captions)
} else if (props.captions.length === 1) {
sortedCaptions = props.captions
} else {
sortedCaptions = []
}
/** @type {number|null} */
let restoreCaptionIndex = null
if (store.getters.getEnableSubtitlesByDefault && sortedCaptions.length > 0) {
restoreCaptionIndex = 0
}
const showStats = ref(false)
const stats = reactive({
resolution: {
width: 0,
height: 0,
frameRate: 0
},
playerDimensions: {
width: 0,
height: 0
},
bitrate: '0',
volume: '100',
bandwidth: '0',
buffered: '0',
frames: {
totalFrames: 0,
droppedFrames: 0
},
codecs: {
audioItag: '',
audioCodec: '',
videoItag: '',
videoCodec: ''
}
})
// #region settings
/** @type {import('vue').ComputedRef<boolean>} */
const autoplayVideos = computed(() => {
return store.getters.getAutoplayVideos
})
/** @type {import('vue').ComputedRef<boolean>} */
const displayVideoPlayButton = computed(() => {
return store.getters.getDisplayVideoPlayButton
})
watch(displayVideoPlayButton, (newValue) => {
ui.configure({
addBigPlayButton: newValue
})
})
/** @type {import('vue').ComputedRef<number>} */
const defaultPlayback = computed(() => {
return store.getters.getDefaultPlayback
})
/** @type {import('vue').ComputedRef<number>} */
const defaultSkipInterval = computed(() => {
return store.getters.getDefaultSkipInterval
})
/** @type {import('vue').ComputedRef<number | 'auto'>} */
const defaultQuality = computed(() => {
const value = store.getters.getDefaultQuality
if (value === 'auto') { return value }
return parseInt(value)
})
/** @type {import('vue').ComputedRef<boolean>} */
const enterFullscreenOnDisplayRotate = computed(() => {
return store.getters.getEnterFullscreenOnDisplayRotate
})
watch(enterFullscreenOnDisplayRotate, (newValue) => {
ui.configure({
enableFullscreenOnRotation: newValue
})
})
const maxVideoPlaybackRate = computed(() => {
return parseInt(store.getters.getMaxVideoPlaybackRate)
})
const videoPlaybackRateInterval = computed(() => {
return parseFloat(store.getters.getVideoPlaybackRateInterval)
})
const playbackRates = computed(() => {
const interval = videoPlaybackRateInterval.value
const playbackRates = []
let i = interval
while (i <= maxVideoPlaybackRate.value) {
playbackRates.unshift(i)
i += interval
i = parseFloat(i.toFixed(2))
}
return playbackRates
})
watch(playbackRates, (newValue) => {
ui.configure({
playbackRates: newValue
})
})
/** @type {import('vue').ComputedRef<boolean>} */
const enableScreenshot = computed(() => {
return store.getters.getEnableScreenshot
})
/** @type {import('vue').ComputedRef<string>} */
const screenshotFormat = computed(() => {
return store.getters.getScreenshotFormat
})
/** @type {import('vue').ComputedRef<number>} */
const screenshotQuality = computed(() => {
return store.getters.getScreenshotQuality
})
/** @type {import('vue').ComputedRef<boolean>} */
const screenshotAskPath = computed(() => {
return store.getters.getScreenshotAskPath
})
/** @type {import('vue').ComputedRef<string>} */
const screenshotFolder = computed(() => {
return store.getters.getScreenshotFolderPath
})
/** @type {import('vue').ComputedRef<boolean>} */
const videoVolumeMouseScroll = computed(() => {
return store.getters.getVideoVolumeMouseScroll
})
/** @type {import('vue').ComputedRef<boolean>} */
const videoPlaybackRateMouseScroll = computed(() => {
return store.getters.getVideoPlaybackRateMouseScroll
})
/** @type {import('vue').ComputedRef<boolean>} */
const videoSkipMouseScroll = computed(() => {
return store.getters.getVideoSkipMouseScroll
})
/** @type {import('vue').ComputedRef<boolean>} */
const useSponsorBlock = computed(() => {
return store.getters.getUseSponsorBlock
})
/** @type {import('vue').ComputedRef<boolean>} */
const sponsorBlockShowSkippedToast = computed(() => {
return store.getters.getSponsorBlockShowSkippedToast
})
const sponsorSkips = computed(() => {
// save some work when sponsorblock is disabled
if (!useSponsorBlock.value) {
return {}
}
/** @type {SponsorBlockCategory[]} */
const sponsorCategories = ['sponsor',
'selfpromo',
'interaction',
'intro',
'outro',
'preview',
'music_offtopic',
'filler'
]
/** @type {Set<SponsorBlockCategory>} */
const autoSkip = new Set()
/** @type {SponsorBlockCategory[]} */
const seekBar = []
/** @type {Set<SponsorBlockCategory>} */
const promptSkip = new Set()
/**
* @type {{
* [key in SponsorBlockCategory]: {
* color: string,
* skip: 'autoSkip' | 'promptToSkip' | 'showInSeekBar' | 'doNothing'
* }
}} */
const categoryData = {}
sponsorCategories.forEach(x => {
let sponsorVal = {}
switch (x) {
case 'sponsor':
sponsorVal = store.getters.getSponsorBlockSponsor
break
case 'selfpromo':
sponsorVal = store.getters.getSponsorBlockSelfPromo
break
case 'interaction':
sponsorVal = store.getters.getSponsorBlockInteraction
break
case 'intro':
sponsorVal = store.getters.getSponsorBlockIntro
break
case 'outro':
sponsorVal = store.getters.getSponsorBlockOutro
break
case 'preview':
sponsorVal = store.getters.getSponsorBlockRecap
break
case 'music_offtopic':
sponsorVal = store.getters.getSponsorBlockMusicOffTopic
break
case 'filler':
sponsorVal = store.getters.getSponsorBlockFiller
break
}
if (sponsorVal.skip !== 'doNothing') {
seekBar.push(x)
}
if (sponsorVal.skip === 'autoSkip') {
autoSkip.add(x)
}
if (sponsorVal.skip === 'promptToSkip') {
promptSkip.add(x)
}
categoryData[x] = sponsorVal
})
return { autoSkip, seekBar, promptSkip, categoryData }
})
// #endregion settings
// #region SponsorBlock
/**
* @type {{
* uuid: string
* category: SponsorBlockCategory
* startTime: number,
* endTime: number
* }[]}
*/
let sponsorBlockSegments = []
let sponsorBlockAverageVideoDuration = 0
/**
* Yes a map would be much more suitable for this (unlike objects they retain the order that items were inserted),
* but Vue 2 doesn't support reactivity on Maps, so we have to use an array instead
* @type {import('vue').Ref<{uuid: string, translatedCategory: string, timeoutId: number}[]>}
*/
const skippedSponsorBlockSegments = ref([])
async function setupSponsorBlock() {
let segments, averageDuration
try {
({ segments, averageDuration } = await getSponsorBlockSegments(props.videoId, sponsorSkips.value.seekBar))
} catch (e) {
console.error(e)
segments = []
}
// check if the component is already getting destroyed
// which is possible because this function runs asynchronously
if (!ui || !player) {
return
}
if (segments.length > 0) {
sponsorBlockSegments = segments
sponsorBlockAverageVideoDuration = averageDuration
createSponsorBlockMarkers(averageDuration)
}
}
/**
* @param {number} currentTime
*/
function skipSponsorBlockSegments(currentTime) {
const { autoSkip } = sponsorSkips.value
if (autoSkip.size === 0) {
return
}
const video_ = video.value
let newTime = 0
const skippedSegments = []
sponsorBlockSegments.forEach(segment => {
if (autoSkip.has(segment.category) && currentTime < segment.endTime &&
(segment.startTime <= currentTime ||
// if we already have a segment to skip, check if there are any that are less than 150ms later,
// so that we can skip them all in one go (especially useful on slow connections)
(newTime > 0 && (segment.startTime < newTime || segment.startTime - newTime <= 0.150) && segment.endTime > newTime))) {
newTime = segment.endTime
skippedSegments.push(segment)
}
})
if (newTime === 0 || video_.ended) {
return
}
const videoEnd = player.seekRange().end
if (Math.abs(videoEnd - currentTime) < 1 || video_.ended) {
return
}
if (newTime > videoEnd || Math.abs(videoEnd - newTime) < 1) {
newTime = videoEnd
}
video_.currentTime = newTime
if (sponsorBlockShowSkippedToast.value) {
skippedSegments.forEach(({ uuid, category }) => {
// if the element already exists, just update the timeout, instead of creating a duplicate
// can happen at the end of the video sometimes
const existingSkip = skippedSponsorBlockSegments.value.find(skipped => skipped.uuid === uuid)
if (existingSkip) {
clearTimeout(existingSkip.timeoutId)
existingSkip.timeoutId = setTimeout(() => {
const index = skippedSponsorBlockSegments.value.findIndex(skipped => skipped.uuid === uuid)
skippedSponsorBlockSegments.value.splice(index, 1)
}, 2000)
} else {
skippedSponsorBlockSegments.value.push({
uuid,
translatedCategory: translateSponsorBlockCategory(category),
timeoutId: setTimeout(() => {
const index = skippedSponsorBlockSegments.value.findIndex(skipped => skipped.uuid === uuid)
skippedSponsorBlockSegments.value.splice(index, 1)
}, 2000)
})
}
})
}
}
// #endregion SponsorBlock
// #region player config
const seekingIsPossible = computed(() => {
if (props.manifestMimeType !== 'application/x-mpegurl') {
return true
}
const match = props.manifestSrc.match(/\/(?:manifest|playlist)_duration\/(\d+)\//)
// Check how many seconds we are allowed to seek, 30 is too short, 3600 is an hour which is great
return match != null && parseInt(match[1] || '0') > 30
})
/**
* @param {'dash'|'audio'|'legacy'} format
* @param {boolean} useAutoQuality
* @returns {shaka.extern.PlayerConfiguration}
*/
function getPlayerConfig(format, useAutoQuality = false) {
return {
// YouTube uses these values and they seem to work well in FreeTube too,
// so we might as well use them
streaming: {
bufferingGoal: 180,
rebufferingGoal: 0.02,
bufferBehind: 300
},
manifest: {
disableVideo: format === 'audio',
// makes captions work for live streams and doesn't seem to have any negative affect on VOD videos
segmentRelativeVttTiming: true,
dash: {
manifestPreprocessorTXml: manifestPreprocessorTXml
},
},
abr: {
enabled: useAutoQuality,
// This only affects the "auto" quality, users can still manually select whatever quality they want.
restrictToElementSize: true
},
autoShowText: shaka.config.AutoShowText.NEVER,
// Prioritise variants that are predicted to play:
// - `smooth`: without dropping frames
// - `powerEfficient` the spec is quite vague but in Chromium it should prioritise hardware decoding when available
// https://developer.mozilla.org/en-US/docs/Web/API/MediaCapabilities/decodingInfo
preferredDecodingAttributes: format === 'dash' ? ['smooth', 'powerEfficient'] : [],
// Electron doesn't like YouTube's vp9 VR video streams and throws:
// "CHUNK_DEMUXER_ERROR_APPEND_FAILED: Projection element is incomplete; ProjectionPoseYaw required."
// So use the AV1 and h264 codecs instead which it doesn't reject
preferredVideoCodecs: typeof props.vrProjection === 'string' ? ['av01', 'avc1'] : []
}
}
/**
* @param {shaka.extern.xml.Node} mpdNode
*/
function manifestPreprocessorTXml(mpdNode) {
/** @type {shaka.extern.xml.Node[]} */
const periods = mpdNode.children?.filter(child => typeof child !== 'string' && child.tagName === 'Period') ?? []
sortAdapationSetsByCodec(periods)
if (mpdNode.attributes.type === 'dynamic') {
// fix live stream loading issues
// YouTube uses a 12 second delay on the official website for normal streams
// and a shorter one for low latency streams
// If we don't add a little bit of a delay, we get presented with a loading symbol every 5 seconds,
// while shaka-player processes the new manifest and segments
const minimumUpdatePeriod = parseFloat(mpdNode.attributes.minimumUpdatePeriod.match(/^PT(\d+(?:\.\d+)?)S$/)[1])
mpdNode.attributes.suggestedPresentationDelay = `PT${(minimumUpdatePeriod * 2).toFixed(3)}S`
// fix live streams with subtitles having duplicate Representation ids
// shaka-player throws DASH_DUPLICATE_REPRESENTATION_ID if we don't fix it
for (const period of periods) {
/** @type {shaka.extern.xml.Node[]} */
const representations = []
for (const periodChild of period.children) {
if (typeof periodChild !== 'string' && periodChild.tagName === 'AdaptationSet') {
for (const adaptationSetChild of periodChild.children) {
if (typeof adaptationSetChild !== 'string' && adaptationSetChild.tagName === 'Representation') {
representations.push(adaptationSetChild)
}
}
}
}
const knownIds = new Set()
let counter = 0
for (const representation of representations) {
const id = representation.attributes.id
if (knownIds.has(id)) {
const newId = `${id}-ft-fix-${counter}`
representation.attributes.id = newId
knownIds.add(newId)
counter++
} else {
knownIds.add(id)
}
}
}
} else if (!process.env.SUPPORTS_LOCAL_API) {
repairInvidiousManifest(periods)
}
}
/**
* @param {shaka.extern.xml.Node[]} periods
*/
function sortAdapationSetsByCodec(periods) {
/** @param {shaka.extern.xml.Node} adaptationSet */
const getCodecsPrefix = (adaptationSet) => {
const codecs = adaptationSet.attributes.codecs ??
adaptationSet.children
.find(child => typeof child !== 'string' && child.tagName === 'Representation').attributes.codecs
return codecs.split('.')[0]
}
const codecPriorities = [
// audio
'opus',
'mp4a',
'ec-3',
'ac-3',
// video
'av01',
'vp09',
'vp9',
'avc1'
]
for (const period of periods) {
period.children
?.sort((
/** @type {shaka.extern.xml.Node | string} */ a,
/** @type {shaka.extern.xml.Node | string} */ b
) => {
if (typeof a === 'string' || a.tagName !== 'AdaptationSet' ||
typeof b === 'string' || b.tagName !== 'AdaptationSet') {
return 0
}
const typeA = a.attributes.contentType || a.attributes.mimeType.split('/')[0]
const typeB = b.attributes.contentType || b.attributes.mimeType.split('/')[0]
// always place image and text tracks AdaptionSets last in the manifest
if (typeA !== 'video' && typeA !== 'audio') {
return 1
}
if (typeB !== 'video' && typeB !== 'audio') {
return -1
}
const codecsPrefixA = getCodecsPrefix(a)
const codecsPrefixB = getCodecsPrefix(b)
return codecPriorities.indexOf(codecsPrefixA) - codecPriorities.indexOf(codecsPrefixB)
})
}
}
// #endregion player config
// #region UI config
const useVrMode = computed(() => {
return props.format === 'dash' && props.vrProjection === 'EQUIRECTANGULAR'
})
const uiConfig = computed(() => {
/** @type {shaka.extern.UIConfiguration} */
const uiConfig = {
controlPanelElements: [
'play_pause',
'mute',
'volume',
'time_and_duration',
'spacer'
],
overflowMenuButtons: [],
// only set this to label when we actually have labels, so that the warning doesn't show up
// about it being set to labels, but that the audio tracks don't have labels
trackLabelFormat: hasMultipleAudioTracks.value ? TrackLabelFormat.LABEL : TrackLabelFormat.LANGUAGE,
// Only set it to label if we added the captions ourselves,
// some live streams come with subtitles in the DASH manifest, but without labels
textTrackLabelFormat: sortedCaptions.length > 0 ? TrackLabelFormat.LABEL : TrackLabelFormat.LANGUAGE,
displayInVrMode: useVrMode.value
}
/** @type {string[]} */
let elementList = []
if (useOverFlowMenu.value) {
uiConfig.overflowMenuButtons = [
'ft_screenshot',
'playback_rate',
'loop',
'ft_audio_tracks',
'captions',
'picture_in_picture',
'ft_full_window',
props.format === 'legacy' ? 'ft_legacy_quality' : 'quality',
'recenter_vr',
'toggle_stereoscopic',
]
elementList = uiConfig.overflowMenuButtons
uiConfig.controlPanelElements.push('overflow_menu')
} else {
uiConfig.controlPanelElements.push(
'recenter_vr',
'toggle_stereoscopic',
'ft_screenshot',
'playback_rate',
'loop',
'ft_audio_tracks',
'captions',
'picture_in_picture',
'ft_theatre_mode',
'ft_full_window',
props.format === 'legacy' ? 'ft_legacy_quality' : 'quality'
)
elementList = uiConfig.controlPanelElements
}
uiConfig.controlPanelElements.push('fullscreen')
if (!process.env.IS_ELECTRON || !enableScreenshot.value || props.format === 'audio') {
const index = elementList.indexOf('ft_screenshot')
elementList.splice(index, 1)
}
if (!props.theatrePossible) {
const index = elementList.indexOf('ft_theatre_mode')
// doesn't exist in overflow menu, as theatre mode only works on wide screens
if (index !== -1) {
elementList.splice(index, 1)
}
}
if (props.format === 'audio') {
const index = elementList.indexOf('picture_in_picture')
elementList.splice(index, 1)
}
if (isLive.value) {
const index = elementList.indexOf('loop')
elementList.splice(index, 1)
}
if (!useVrMode.value) {
const indexRecenterVr = elementList.indexOf('recenter_vr')
elementList.splice(indexRecenterVr, 1)
const indexToggleStereoscopic = elementList.indexOf('toggle_stereoscopic')
elementList.splice(indexToggleStereoscopic, 1)
}
return uiConfig
})
/**
* For the first call we want to set initial values for options that may change later,
* as well as setting the options that we won't change again.
*
* For all subsequent calls we only want to reconfigure the options that have changed.
* e.g. due to the active format changing or the user changing settings
* @param {boolean} firstTime
*/
function configureUI(firstTime = false) {
if (firstTime) {
const firstTimeConfig = {
addSeekBar: seekingIsPossible.value,
customContextMenu: true,
contextMenuElements: ['ft_stats'],
enableTooltips: true,
seekBarColors: {
played: 'var(--primary-color)'
},
volumeBarColors: {
level: 'var(--primary-color)'
},
// these have their own watchers
addBigPlayButton: displayVideoPlayButton.value,
enableFullscreenOnRotation: enterFullscreenOnDisplayRotate.value,
playbackRates: playbackRates.value,
// we have our own ones (shaka-player's ones are quite limited)
enableKeyboardPlaybackControls: false,
// TODO: enable this when electron gets document PiP support
// https://github.com/electron/electron/issues/39633
preferDocumentPictureInPicture: false
}
// Combine the config objects so we only need to do one configure call
// as shaka-player recreates the UI when you call configure
Object.assign(firstTimeConfig, uiConfig.value)
ui.configure(firstTimeConfig)
} else {
ui.configure(uiConfig.value)
}
}
/**
* @param {WheelEvent} event
*/
function handleControlsContainerWheel(event) {
/** @type {DOMTokenList} */
const classList = event.target.classList
if (classList.contains('shaka-scrim-container') ||
classList.contains('shaka-fast-foward-container') ||
classList.contains('shaka-rewind-container') ||
classList.contains('shaka-play-button-container') ||
classList.contains('shaka-play-button')) {
//
if (event.ctrlKey || event.metaKey) {
if (videoPlaybackRateMouseScroll.value) {
mouseScrollPlaybackRate(event)
}
} else {
if (videoVolumeMouseScroll.value) {
mouseScrollVolume(event)
} else if (videoSkipMouseScroll.value) {
mouseScrollSkip(event)
}
}
}
}
/**
* @param {MouseEvent} event
*/
function handleControlsContainerClick(event) {
if (event.ctrlKey || event.metaKey) {
// stop shaka-player's click handler firing
event.stopPropagation()
video.value.playbackRate = defaultPlayback.value
video.value.defaultPlaybackRate = defaultPlayback.value
}
}
function addUICustomizations() {
/** @type {HTMLDivElement} */
const controlsContainer = ui.getControls().getControlsContainer()
controlsContainer.removeEventListener('wheel', handleControlsContainerWheel)
controlsContainer.removeEventListener('click', handleControlsContainerClick, true)
if (!useVrMode.value) {
if (videoVolumeMouseScroll.value || videoSkipMouseScroll.value || videoPlaybackRateMouseScroll.value) {
controlsContainer.addEventListener('wheel', handleControlsContainerWheel)
}
if (videoPlaybackRateMouseScroll.value) {
controlsContainer.addEventListener('click', handleControlsContainerClick, true)
}
}
// make scrolling over volume slider change the volume
container.value.querySelector('.shaka-volume-bar').addEventListener('wheel', mouseScrollVolume)
// title overlay when the video is fullscreened
// placing this inside the controls container so that we can fade it in and out at the same time as the controls
const fullscreenTitleOverlay = document.createElement('h1')
fullscreenTitleOverlay.textContent = props.title
fullscreenTitleOverlay.className = 'playerFullscreenTitleOverlay'
controlsContainer.appendChild(fullscreenTitleOverlay)
if (hasLoaded.value && props.chapters.length > 0) {
createChapterMarkers()
}
if (useSponsorBlock.value && sponsorBlockSegments.length > 0) {
let duration
if (hasLoaded.value) {
const seekRange = player.seekRange()
duration = seekRange.end - seekRange.start
} else {
duration = sponsorBlockAverageVideoDuration
}
createSponsorBlockMarkers(duration)
}
}
watch(uiConfig, (newValue, oldValue) => {
if (newValue !== oldValue && ui) {
configureUI()
}
})
watch(videoVolumeMouseScroll, (newValue, oldValue) => {
if (newValue !== oldValue && ui) {
configureUI()
}
})
watch(videoPlaybackRateMouseScroll, (newValue, oldValue) => {
if (newValue !== oldValue && ui) {
configureUI()
}
})
watch(videoSkipMouseScroll, (newValue, oldValue) => {
if (newValue !== oldValue && ui) {
configureUI()
}
})
/** @type {ResizeObserver|null} */
let resizeObserver = null
/** @type {ResizeObserverCallback} */
function resized(entries) {
useOverFlowMenu.value = entries[0].contentBoxSize[0].inlineSize <= USE_OVERFLOW_MENU_WIDTH_THRESHOLD
}
// #endregion UI config
// #region player locales
// shaka-player ships with some locales prebundled and already loaded
const loadedLocales = new Set(process.env.SHAKA_LOCALES_PREBUNDLED)
/**
* @param {string} locale
*/
async function setLocale(locale) {
// For most of FreeTube's locales their is an equivalent one in shaka-player,
// however if there isn't one we should fall back to US English.
// At the time of writing "et", "eu", "gl", "is" don't have any translations
const shakaLocale = LOCALE_MAPPINGS.get(locale) ?? 'en'
const localization = ui.getControls().getLocalization()
const cachedLocales = store.state.player.cachedPlayerLocales
if (!loadedLocales.has(shakaLocale)) {
if (!Object.hasOwn(cachedLocales, shakaLocale)) {
await store.dispatch('cachePlayerLocale', shakaLocale)
}
localization.insert(shakaLocale, new Map(Object.entries(cachedLocales[shakaLocale])))
loadedLocales.add(shakaLocale)
}
localization.changeLocale([shakaLocale])
events.dispatchEvent(new CustomEvent('localeChanged'))
}
watch(locale, setLocale)
// #endregion player locales
// #region power save blocker