2021-06-02 09:35:01 +02:00
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import { maxBy, minBy } from 'lodash'
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2021-08-27 14:32:44 +02:00
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import magnetUtil from 'magnet-uri'
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2021-06-02 09:35:01 +02:00
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import { basename } from 'path'
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import { isAPVideoFileUrlMetadataObject } from '@server/helpers/custom-validators/activitypub/videos'
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import { isVideoFileInfoHashValid } from '@server/helpers/custom-validators/videos'
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import { logger } from '@server/helpers/logger'
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import { getExtFromMimetype } from '@server/helpers/video'
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import { ACTIVITY_PUB, MIMETYPES, P2P_MEDIA_LOADER_PEER_VERSION, PREVIEWS_SIZE, THUMBNAILS_SIZE } from '@server/initializers/constants'
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2021-08-17 08:26:20 +02:00
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import { generateTorrentFileName } from '@server/lib/paths'
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2021-07-23 11:20:00 +02:00
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import { VideoCaptionModel } from '@server/models/video/video-caption'
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2021-06-02 09:35:01 +02:00
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import { VideoFileModel } from '@server/models/video/video-file'
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import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
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import { FilteredModelAttributes } from '@server/types'
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2021-10-15 11:37:30 +02:00
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import { isStreamingPlaylist, MChannelId, MStreamingPlaylistVideo, MVideo, MVideoId } from '@server/types/models'
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2021-06-02 09:35:01 +02:00
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import {
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ActivityHashTagObject,
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ActivityMagnetUrlObject,
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ActivityPlaylistSegmentHashesObject,
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ActivityPlaylistUrlObject,
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ActivityTagObject,
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ActivityUrlObject,
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ActivityVideoUrlObject,
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VideoObject,
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VideoPrivacy,
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VideoStreamingPlaylistType
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} from '@shared/models'
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function getThumbnailFromIcons (videoObject: VideoObject) {
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let validIcons = videoObject.icon.filter(i => i.width > THUMBNAILS_SIZE.minWidth)
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// Fallback if there are not valid icons
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if (validIcons.length === 0) validIcons = videoObject.icon
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return minBy(validIcons, 'width')
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}
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function getPreviewFromIcons (videoObject: VideoObject) {
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const validIcons = videoObject.icon.filter(i => i.width > PREVIEWS_SIZE.minWidth)
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return maxBy(validIcons, 'width')
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}
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function getTagsFromObject (videoObject: VideoObject) {
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return videoObject.tag
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.filter(isAPHashTagObject)
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.map(t => t.name)
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}
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2021-06-02 10:41:46 +02:00
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function getFileAttributesFromUrl (
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2021-06-02 09:35:01 +02:00
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videoOrPlaylist: MVideo | MStreamingPlaylistVideo,
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urls: (ActivityTagObject | ActivityUrlObject)[]
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) {
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const fileUrls = urls.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
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if (fileUrls.length === 0) return []
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const attributes: FilteredModelAttributes<VideoFileModel>[] = []
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for (const fileUrl of fileUrls) {
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// Fetch associated magnet uri
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const magnet = urls.filter(isAPMagnetUrlObject)
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.find(u => u.height === fileUrl.height)
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if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href)
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const parsed = magnetUtil.decode(magnet.href)
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if (!parsed || isVideoFileInfoHashValid(parsed.infoHash) === false) {
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throw new Error('Cannot parse magnet URI ' + magnet.href)
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}
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const torrentUrl = Array.isArray(parsed.xs)
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? parsed.xs[0]
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: parsed.xs
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// Fetch associated metadata url, if any
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const metadata = urls.filter(isAPVideoFileUrlMetadataObject)
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.find(u => {
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return u.height === fileUrl.height &&
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u.fps === fileUrl.fps &&
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u.rel.includes(fileUrl.mediaType)
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})
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const extname = getExtFromMimetype(MIMETYPES.VIDEO.MIMETYPE_EXT, fileUrl.mediaType)
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const resolution = fileUrl.height
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2021-07-23 11:20:00 +02:00
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const videoId = isStreamingPlaylist(videoOrPlaylist) ? null : videoOrPlaylist.id
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const videoStreamingPlaylistId = isStreamingPlaylist(videoOrPlaylist) ? videoOrPlaylist.id : null
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2021-06-02 09:35:01 +02:00
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const attribute = {
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extname,
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infoHash: parsed.infoHash,
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resolution,
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size: fileUrl.size,
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fps: fileUrl.fps || -1,
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metadataUrl: metadata?.href,
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// Use the name of the remote file because we don't proxify video file requests
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filename: basename(fileUrl.href),
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fileUrl: fileUrl.href,
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torrentUrl,
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// Use our own torrent name since we proxify torrent requests
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torrentFilename: generateTorrentFileName(videoOrPlaylist, resolution),
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// This is a video file owned by a video or by a streaming playlist
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videoId,
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videoStreamingPlaylistId
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}
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attributes.push(attribute)
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}
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return attributes
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}
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2021-10-15 11:37:30 +02:00
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function getStreamingPlaylistAttributesFromObject (video: MVideoId, videoObject: VideoObject) {
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2021-06-02 09:35:01 +02:00
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const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[]
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if (playlistUrls.length === 0) return []
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const attributes: (FilteredModelAttributes<VideoStreamingPlaylistModel> & { tagAPObject?: ActivityTagObject[] })[] = []
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for (const playlistUrlObject of playlistUrls) {
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const segmentsSha256UrlObject = playlistUrlObject.tag.find(isAPPlaylistSegmentHashesUrlObject)
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2021-10-15 11:37:30 +02:00
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const files: unknown[] = playlistUrlObject.tag.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
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2021-06-02 09:35:01 +02:00
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if (!segmentsSha256UrlObject) {
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logger.warn('No segment sha256 URL found in AP playlist object.', { playlistUrl: playlistUrlObject })
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continue
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}
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const attribute = {
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type: VideoStreamingPlaylistType.HLS,
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playlistFilename: basename(playlistUrlObject.href),
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2021-06-02 09:35:01 +02:00
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playlistUrl: playlistUrlObject.href,
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2021-07-23 11:20:00 +02:00
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segmentsSha256Filename: basename(segmentsSha256UrlObject.href),
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2021-06-02 09:35:01 +02:00
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segmentsSha256Url: segmentsSha256UrlObject.href,
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2021-07-23 11:20:00 +02:00
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2021-06-02 09:35:01 +02:00
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p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrlObject.href, files),
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p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
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videoId: video.id,
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2021-06-02 10:41:46 +02:00
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2021-06-02 09:35:01 +02:00
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tagAPObject: playlistUrlObject.tag
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}
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attributes.push(attribute)
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}
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return attributes
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}
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2021-06-02 10:41:46 +02:00
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function getLiveAttributesFromObject (video: MVideoId, videoObject: VideoObject) {
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return {
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saveReplay: videoObject.liveSaveReplay,
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permanentLive: videoObject.permanentLive,
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2022-03-04 13:40:02 +01:00
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latencyMode: videoObject.latencyMode,
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2021-06-02 10:41:46 +02:00
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videoId: video.id
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}
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}
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function getCaptionAttributesFromObject (video: MVideoId, videoObject: VideoObject) {
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return videoObject.subtitleLanguage.map(c => ({
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videoId: video.id,
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filename: VideoCaptionModel.generateCaptionName(c.identifier),
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language: c.identifier,
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fileUrl: c.url
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}))
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}
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function getVideoAttributesFromObject (videoChannel: MChannelId, videoObject: VideoObject, to: string[] = []) {
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2021-06-02 09:35:01 +02:00
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const privacy = to.includes(ACTIVITY_PUB.PUBLIC)
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? VideoPrivacy.PUBLIC
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: VideoPrivacy.UNLISTED
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const duration = videoObject.duration.replace(/[^\d]+/, '')
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const language = videoObject.language?.identifier
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const category = videoObject.category
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? parseInt(videoObject.category.identifier, 10)
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: undefined
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const licence = videoObject.licence
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? parseInt(videoObject.licence.identifier, 10)
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: undefined
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const description = videoObject.content || null
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const support = videoObject.support || null
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return {
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name: videoObject.name,
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uuid: videoObject.uuid,
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url: videoObject.id,
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category,
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licence,
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language,
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description,
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support,
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nsfw: videoObject.sensitive,
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commentsEnabled: videoObject.commentsEnabled,
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downloadEnabled: videoObject.downloadEnabled,
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waitTranscoding: videoObject.waitTranscoding,
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isLive: videoObject.isLiveBroadcast,
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state: videoObject.state,
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channelId: videoChannel.id,
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duration: parseInt(duration, 10),
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createdAt: new Date(videoObject.published),
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publishedAt: new Date(videoObject.published),
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originallyPublishedAt: videoObject.originallyPublishedAt
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? new Date(videoObject.originallyPublishedAt)
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: null,
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updatedAt: new Date(videoObject.updated),
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views: videoObject.views,
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likes: 0,
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dislikes: 0,
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remote: true,
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privacy
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}
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}
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// ---------------------------------------------------------------------------
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export {
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getThumbnailFromIcons,
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getPreviewFromIcons,
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getTagsFromObject,
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2021-06-02 10:41:46 +02:00
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getFileAttributesFromUrl,
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getStreamingPlaylistAttributesFromObject,
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getLiveAttributesFromObject,
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getCaptionAttributesFromObject,
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2021-06-02 09:35:01 +02:00
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2021-06-02 10:41:46 +02:00
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getVideoAttributesFromObject
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2021-06-02 09:35:01 +02:00
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}
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// ---------------------------------------------------------------------------
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function isAPVideoUrlObject (url: any): url is ActivityVideoUrlObject {
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const urlMediaType = url.mediaType
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return MIMETYPES.VIDEO.MIMETYPE_EXT[urlMediaType] && urlMediaType.startsWith('video/')
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}
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function isAPStreamingPlaylistUrlObject (url: any): url is ActivityPlaylistUrlObject {
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return url && url.mediaType === 'application/x-mpegURL'
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}
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function isAPPlaylistSegmentHashesUrlObject (tag: any): tag is ActivityPlaylistSegmentHashesObject {
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return tag && tag.name === 'sha256' && tag.type === 'Link' && tag.mediaType === 'application/json'
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}
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function isAPMagnetUrlObject (url: any): url is ActivityMagnetUrlObject {
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return url && url.mediaType === 'application/x-bittorrent;x-scheme-handler/magnet'
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}
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function isAPHashTagObject (url: any): url is ActivityHashTagObject {
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return url && url.type === 'Hashtag'
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}
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