1 import { join } from 'path'
2 import { extractVideo } from '@server/helpers/video'
3 import { CONFIG } from '@server/initializers/config'
4 import { HLS_REDUNDANCY_DIRECTORY, HLS_STREAMING_PLAYLIST_DIRECTORY, STATIC_PATHS, WEBSERVER } from '@server/initializers/constants'
5 import { isStreamingPlaylist, MStreamingPlaylist, MStreamingPlaylistVideo, MVideo, MVideoFile, MVideoUUID } from '@server/types/models'
6 import { buildUUID } from '@server/helpers/uuid'
7 import { removeFragmentedMP4Ext } from '@shared/core-utils'
9 // ################## Video file name ##################
11 function generateWebTorrentVideoFilename (resolution: number, extname: string) {
12 return buildUUID() + '-' + resolution + extname
15 function generateHLSVideoFilename (resolution: number) {
16 return `${buildUUID()}-${resolution}-fragmented.mp4`
19 function getVideoFilePath (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile, isRedundancy = false) {
20 if (videoFile.isHLS()) {
21 const video = extractVideo(videoOrPlaylist)
23 return join(getHLSDirectory(video), videoFile.filename)
26 const baseDir = isRedundancy
27 ? CONFIG.STORAGE.REDUNDANCY_DIR
28 : CONFIG.STORAGE.VIDEOS_DIR
30 return join(baseDir, videoFile.filename)
33 // ################## Redundancy ##################
35 function generateHLSRedundancyUrl (video: MVideo, playlist: MStreamingPlaylist) {
36 // Base URL used by our HLS player
37 return WEBSERVER.URL + STATIC_PATHS.REDUNDANCY + playlist.getStringType() + '/' + video.uuid
40 function generateWebTorrentRedundancyUrl (file: MVideoFile) {
41 return WEBSERVER.URL + STATIC_PATHS.REDUNDANCY + file.filename
44 // ################## Streaming playlist ##################
46 function getHLSDirectory (video: MVideoUUID, isRedundancy = false) {
47 const baseDir = isRedundancy
48 ? HLS_REDUNDANCY_DIRECTORY
49 : HLS_STREAMING_PLAYLIST_DIRECTORY
51 return join(baseDir, video.uuid)
54 function getHlsResolutionPlaylistFilename (videoFilename: string) {
55 // Video file name already contain resolution
56 return removeFragmentedMP4Ext(videoFilename) + '.m3u8'
59 function generateHLSMasterPlaylistFilename (isLive = false) {
60 if (isLive) return 'master.m3u8'
62 return buildUUID() + '-master.m3u8'
65 function generateHlsSha256SegmentsFilename (isLive = false) {
66 if (isLive) return 'segments-sha256.json'
68 return buildUUID() + '-segments-sha256.json'
71 // ################## Torrents ##################
73 function generateTorrentFileName (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, resolution: number) {
74 const extension = '.torrent'
75 const uuid = buildUUID()
77 if (isStreamingPlaylist(videoOrPlaylist)) {
78 return `${uuid}-${resolution}-${videoOrPlaylist.getStringType()}${extension}`
81 return uuid + '-' + resolution + extension
84 function getTorrentFilePath (videoFile: MVideoFile) {
85 return join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)
88 // ################## Meta data ##################
90 function getLocalVideoFileMetadataUrl (video: MVideoUUID, videoFile: MVideoFile) {
91 const path = '/api/v1/videos/'
93 return WEBSERVER.URL + path + video.uuid + '/metadata/' + videoFile.id
96 // ---------------------------------------------------------------------------
99 generateHLSVideoFilename,
100 generateWebTorrentVideoFilename,
104 generateTorrentFileName,
108 generateHLSMasterPlaylistFilename,
109 generateHlsSha256SegmentsFilename,
110 getHlsResolutionPlaylistFilename,
112 getLocalVideoFileMetadataUrl,
114 generateWebTorrentRedundancyUrl,
115 generateHLSRedundancyUrl