server/lib/job-queue/handlers/video-live-ending.ts

   1 import * as Bull from 'bull'
   2 import { pathExists, readdir, remove } from 'fs-extra'
   3 import { join } from 'path'
   4 import { ffprobePromise, getAudioStream, getDurationFromVideoFile, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
   5 import { VIDEO_LIVE } from '@server/initializers/constants'
   6 import { LiveManager } from '@server/lib/live-manager'
   7 import { generateVideoMiniature } from '@server/lib/thumbnail'
   8 import { publishAndFederateIfNeeded } from '@server/lib/video'
   9 import { getHLSDirectory } from '@server/lib/video-paths'
  10 import { generateHlsPlaylistResolutionFromTS } from '@server/lib/video-transcoding'
  11 import { VideoModel } from '@server/models/video/video'
  12 import { VideoFileModel } from '@server/models/video/video-file'
  13 import { VideoLiveModel } from '@server/models/video/video-live'
  14 import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
  15 import { MStreamingPlaylist, MVideo, MVideoLive } from '@server/types/models'
  16 import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
  17 import { logger } from '../../../helpers/logger'
  18
  19 async function processVideoLiveEnding (job: Bull.Job) {
  20   const payload = job.data as VideoLiveEndingPayload
  21
  22   function logError () {
  23     logger.warn('Video live %d does not exist anymore. Cannot process live ending.', payload.videoId)
  24   }
  25
  26   const video = await VideoModel.load(payload.videoId)
  27   const live = await VideoLiveModel.loadByVideoId(payload.videoId)
  28
  29   if (!video || !live) {
  30     logError()
  31     return
  32   }
  33
  34   const streamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
  35   if (!streamingPlaylist) {
  36     logError()
  37     return
  38   }
  39
  40   LiveManager.Instance.cleanupShaSegments(video.uuid)
  41
  42   if (live.saveReplay !== true) {
  43     return cleanupLive(video, streamingPlaylist)
  44   }
  45
  46   return saveLive(video, live)
  47 }
  48
  49 async function cleanupLive (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
  50   const hlsDirectory = getHLSDirectory(video)
  51
  52   await remove(hlsDirectory)
  53
  54   await streamingPlaylist.destroy()
  55 }
  56
  57 // ---------------------------------------------------------------------------
  58
  59 export {
  60   processVideoLiveEnding,
  61   cleanupLive
  62 }
  63
  64 // ---------------------------------------------------------------------------
  65
  66 async function saveLive (video: MVideo, live: MVideoLive) {
  67   const hlsDirectory = getHLSDirectory(video, false)
  68   const replayDirectory = join(hlsDirectory, VIDEO_LIVE.REPLAY_DIRECTORY)
  69
  70   const rootFiles = await readdir(hlsDirectory)
  71
  72   const playlistFiles = rootFiles.filter(file => {
  73     return file.endsWith('.m3u8') && file !== 'master.m3u8'
  74   })
  75
  76   await cleanupLiveFiles(hlsDirectory)
  77
  78   await live.destroy()
  79
  80   video.isLive = false
  81   // Reinit views
  82   video.views = 0
  83   video.state = VideoState.TO_TRANSCODE
  84
  85   await video.save()
  86
  87   // Remove old HLS playlist video files
  88   const videoWithFiles = await VideoModel.loadWithFiles(video.id)
  89
  90   const hlsPlaylist = videoWithFiles.getHLSPlaylist()
  91   await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
  92   hlsPlaylist.VideoFiles = []
  93
  94   let durationDone = false
  95
  96   for (const playlistFile of playlistFiles) {
  97     const concatenatedTsFile = LiveManager.Instance.buildConcatenatedName(playlistFile)
  98     const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
  99
 100     const probe = await ffprobePromise(concatenatedTsFilePath)
 101     const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
 102
 103     const { videoFileResolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath, probe)
 104
 105     const outputPath = await generateHlsPlaylistResolutionFromTS({
 106       video: videoWithFiles,
 107       concatenatedTsFilePath,
 108       resolution: videoFileResolution,
 109       isPortraitMode,
 110       isAAC: audioStream?.codec_name === 'aac'
 111     })
 112
 113     if (!durationDone) {
 114       videoWithFiles.duration = await getDurationFromVideoFile(outputPath)
 115       await videoWithFiles.save()
 116
 117       durationDone = true
 118     }
 119   }
 120
 121   await remove(replayDirectory)
 122
 123   // Regenerate the thumbnail & preview?
 124   if (videoWithFiles.getMiniature().automaticallyGenerated === true) {
 125     await generateVideoMiniature({
 126       video: videoWithFiles,
 127       videoFile: videoWithFiles.getMaxQualityFile(),
 128       type: ThumbnailType.MINIATURE
 129     })
 130   }
 131
 132   if (videoWithFiles.getPreview().automaticallyGenerated === true) {
 133     await generateVideoMiniature({
 134       video: videoWithFiles,
 135       videoFile: videoWithFiles.getMaxQualityFile(),
 136       type: ThumbnailType.PREVIEW
 137     })
 138   }
 139
 140   await publishAndFederateIfNeeded(videoWithFiles, true)
 141 }
 142
 143 async function cleanupLiveFiles (hlsDirectory: string) {
 144   if (!await pathExists(hlsDirectory)) return
 145
 146   const files = await readdir(hlsDirectory)
 147
 148   for (const filename of files) {
 149     if (
 150       filename.endsWith('.ts') ||
 151       filename.endsWith('.m3u8') ||
 152       filename.endsWith('.mpd') ||
 153       filename.endsWith('.m4s') ||
 154       filename.endsWith('.tmp')
 155     ) {
 156       const p = join(hlsDirectory, filename)
 157
 158       remove(p)
 159         .catch(err => logger.error('Cannot remove %s.', p, { err }))
 160     }
 161   }
 162 }