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