server/lib/paths.ts

   1 import { join } from 'path'
   2 import { CONFIG } from '@server/initializers/config'
   3 import { HLS_REDUNDANCY_DIRECTORY, HLS_STREAMING_PLAYLIST_DIRECTORY } from '@server/initializers/constants'
   4 import { isStreamingPlaylist, MStreamingPlaylistVideo, MVideo, MVideoFile, MVideoUUID } from '@server/types/models'
   5 import { removeFragmentedMP4Ext } from '@shared/core-utils'
   6 import { buildUUID } from '@shared/extra-utils'
   7
   8 // ################## Video file name ##################
   9
  10 function generateWebTorrentVideoFilename (resolution: number, extname: string) {
  11   return buildUUID() + '-' + resolution + extname
  12 }
  13
  14 function generateHLSVideoFilename (resolution: number) {
  15   return `${buildUUID()}-${resolution}-fragmented.mp4`
  16 }
  17
  18 // ################## Streaming playlist ##################
  19
  20 function getLiveDirectory (video: MVideoUUID) {
  21   return getHLSDirectory(video)
  22 }
  23
  24 function getHLSDirectory (video: MVideoUUID) {
  25   return join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
  26 }
  27
  28 function getHLSRedundancyDirectory (video: MVideoUUID) {
  29   return join(HLS_REDUNDANCY_DIRECTORY, video.uuid)
  30 }
  31
  32 function getHlsResolutionPlaylistFilename (videoFilename: string) {
  33   // Video file name already contain resolution
  34   return removeFragmentedMP4Ext(videoFilename) + '.m3u8'
  35 }
  36
  37 function generateHLSMasterPlaylistFilename (isLive = false) {
  38   if (isLive) return 'master.m3u8'
  39
  40   return buildUUID() + '-master.m3u8'
  41 }
  42
  43 function generateHlsSha256SegmentsFilename (isLive = false) {
  44   if (isLive) return 'segments-sha256.json'
  45
  46   return buildUUID() + '-segments-sha256.json'
  47 }
  48
  49 // ################## Torrents ##################
  50
  51 function generateTorrentFileName (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, resolution: number) {
  52   const extension = '.torrent'
  53   const uuid = buildUUID()
  54
  55   if (isStreamingPlaylist(videoOrPlaylist)) {
  56     return `${uuid}-${resolution}-${videoOrPlaylist.getStringType()}${extension}`
  57   }
  58
  59   return uuid + '-' + resolution + extension
  60 }
  61
  62 function getFSTorrentFilePath (videoFile: MVideoFile) {
  63   return join(CONFIG.STORAGE.TORRENTS_DIR, videoFile.torrentFilename)
  64 }
  65
  66 // ---------------------------------------------------------------------------
  67
  68 export {
  69   generateHLSVideoFilename,
  70   generateWebTorrentVideoFilename,
  71
  72   generateTorrentFileName,
  73   getFSTorrentFilePath,
  74
  75   getHLSDirectory,
  76   getLiveDirectory,
  77   getHLSRedundancyDirectory,
  78
  79   generateHLSMasterPlaylistFilename,
  80   generateHlsSha256SegmentsFilename,
  81   getHlsResolutionPlaylistFilename
  82 }