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

   1 import { Job } from 'bullmq'
   2 import { readdir, remove } from 'fs-extra'
   3 import { join } from 'path'
   4 import { ffprobePromise, getAudioStream, getVideoStreamDimensionsInfo } from '@server/helpers/ffmpeg'
   5 import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url'
   6 import { federateVideoIfNeeded } from '@server/lib/activitypub/videos'
   7 import { cleanupAndDestroyPermanentLive, cleanupTMPLiveFiles, cleanupUnsavedNormalLive } from '@server/lib/live'
   8 import { generateHLSMasterPlaylistFilename, generateHlsSha256SegmentsFilename, getLiveReplayBaseDirectory } from '@server/lib/paths'
   9 import { generateVideoMiniature } from '@server/lib/thumbnail'
  10 import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/transcoding'
  11 import { moveToNextState } from '@server/lib/video-state'
  12 import { VideoModel } from '@server/models/video/video'
  13 import { VideoBlacklistModel } from '@server/models/video/video-blacklist'
  14 import { VideoFileModel } from '@server/models/video/video-file'
  15 import { VideoLiveModel } from '@server/models/video/video-live'
  16 import { VideoLiveSessionModel } from '@server/models/video/video-live-session'
  17 import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
  18 import { MVideo, MVideoLive, MVideoLiveSession, MVideoWithAllFiles } from '@server/types/models'
  19 import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
  20 import { logger, loggerTagsFactory } from '../../../helpers/logger'
  21
  22 const lTags = loggerTagsFactory('live', 'job')
  23
  24 async function processVideoLiveEnding (job: Job) {
  25   const payload = job.data as VideoLiveEndingPayload
  26
  27   logger.info('Processing video live ending for %s.', payload.videoId, { payload, ...lTags() })
  28
  29   function logError () {
  30     logger.warn('Video live %d does not exist anymore. Cannot process live ending.', payload.videoId, lTags())
  31   }
  32
  33   const video = await VideoModel.load(payload.videoId)
  34   const live = await VideoLiveModel.loadByVideoId(payload.videoId)
  35   const liveSession = await VideoLiveSessionModel.load(payload.liveSessionId)
  36
  37   const permanentLive = live.permanentLive
  38
  39   if (!video || !live || !liveSession) {
  40     logError()
  41     return
  42   }
  43
  44   liveSession.endingProcessed = true
  45   await liveSession.save()
  46
  47   if (liveSession.saveReplay !== true) {
  48     return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
  49   }
  50
  51   if (permanentLive) {
  52     await saveReplayToExternalVideo({
  53       liveVideo: video,
  54       liveSession,
  55       publishedAt: payload.publishedAt,
  56       replayDirectory: payload.replayDirectory
  57     })
  58
  59     return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
  60   }
  61
  62   return replaceLiveByReplay({ video, liveSession, live, permanentLive, replayDirectory: payload.replayDirectory })
  63 }
  64
  65 // ---------------------------------------------------------------------------
  66
  67 export {
  68   processVideoLiveEnding
  69 }
  70
  71 // ---------------------------------------------------------------------------
  72
  73 async function saveReplayToExternalVideo (options: {
  74   liveVideo: MVideo
  75   liveSession: MVideoLiveSession
  76   publishedAt: string
  77   replayDirectory: string
  78 }) {
  79   const { liveVideo, liveSession, publishedAt, replayDirectory } = options
  80
  81   const replayVideo = new VideoModel({
  82     name: `${liveVideo.name} - ${new Date(publishedAt).toLocaleString()}`,
  83     isLive: false,
  84     state: VideoState.TO_TRANSCODE,
  85     duration: 0,
  86
  87     remote: liveVideo.remote,
  88     category: liveVideo.category,
  89     licence: liveVideo.licence,
  90     language: liveVideo.language,
  91     commentsEnabled: liveVideo.commentsEnabled,
  92     downloadEnabled: liveVideo.downloadEnabled,
  93     waitTranscoding: true,
  94     nsfw: liveVideo.nsfw,
  95     description: liveVideo.description,
  96     support: liveVideo.support,
  97     privacy: liveVideo.privacy,
  98     channelId: liveVideo.channelId
  99   }) as MVideoWithAllFiles
 100
 101   replayVideo.Thumbnails = []
 102   replayVideo.VideoFiles = []
 103   replayVideo.VideoStreamingPlaylists = []
 104
 105   replayVideo.url = getLocalVideoActivityPubUrl(replayVideo)
 106
 107   await replayVideo.save()
 108
 109   liveSession.replayVideoId = replayVideo.id
 110   await liveSession.save()
 111
 112   // If live is blacklisted, also blacklist the replay
 113   const blacklist = await VideoBlacklistModel.loadByVideoId(liveVideo.id)
 114   if (blacklist) {
 115     await VideoBlacklistModel.create({
 116       videoId: replayVideo.id,
 117       unfederated: blacklist.unfederated,
 118       reason: blacklist.reason,
 119       type: blacklist.type
 120     })
 121   }
 122
 123   await assignReplayFilesToVideo({ video: replayVideo, replayDirectory })
 124
 125   await remove(replayDirectory)
 126
 127   for (const type of [ ThumbnailType.MINIATURE, ThumbnailType.PREVIEW ]) {
 128     const image = await generateVideoMiniature({ video: replayVideo, videoFile: replayVideo.getMaxQualityFile(), type })
 129     await replayVideo.addAndSaveThumbnail(image)
 130   }
 131
 132   await moveToNextState({ video: replayVideo, isNewVideo: true })
 133 }
 134
 135 async function replaceLiveByReplay (options: {
 136   video: MVideo
 137   liveSession: MVideoLiveSession
 138   live: MVideoLive
 139   permanentLive: boolean
 140   replayDirectory: string
 141 }) {
 142   const { video, liveSession, live, permanentLive, replayDirectory } = options
 143
 144   const videoWithFiles = await VideoModel.loadFull(video.id)
 145   const hlsPlaylist = videoWithFiles.getHLSPlaylist()
 146
 147   await cleanupTMPLiveFiles(videoWithFiles, hlsPlaylist)
 148
 149   await live.destroy()
 150
 151   videoWithFiles.isLive = false
 152   videoWithFiles.waitTranscoding = true
 153   videoWithFiles.state = VideoState.TO_TRANSCODE
 154
 155   await videoWithFiles.save()
 156
 157   liveSession.replayVideoId = videoWithFiles.id
 158   await liveSession.save()
 159
 160   await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
 161
 162   // Reset playlist
 163   hlsPlaylist.VideoFiles = []
 164   hlsPlaylist.playlistFilename = generateHLSMasterPlaylistFilename()
 165   hlsPlaylist.segmentsSha256Filename = generateHlsSha256SegmentsFilename()
 166   await hlsPlaylist.save()
 167
 168   await assignReplayFilesToVideo({ video: videoWithFiles, replayDirectory })
 169
 170   if (permanentLive) { // Remove session replay
 171     await remove(replayDirectory)
 172   } else { // We won't stream again in this live, we can delete the base replay directory
 173     await remove(getLiveReplayBaseDirectory(videoWithFiles))
 174   }
 175
 176   // Regenerate the thumbnail & preview?
 177   if (videoWithFiles.getMiniature().automaticallyGenerated === true) {
 178     const miniature = await generateVideoMiniature({
 179       video: videoWithFiles,
 180       videoFile: videoWithFiles.getMaxQualityFile(),
 181       type: ThumbnailType.MINIATURE
 182     })
 183     await videoWithFiles.addAndSaveThumbnail(miniature)
 184   }
 185
 186   if (videoWithFiles.getPreview().automaticallyGenerated === true) {
 187     const preview = await generateVideoMiniature({
 188       video: videoWithFiles,
 189       videoFile: videoWithFiles.getMaxQualityFile(),
 190       type: ThumbnailType.PREVIEW
 191     })
 192     await videoWithFiles.addAndSaveThumbnail(preview)
 193   }
 194
 195   // We consider this is a new video
 196   await moveToNextState({ video: videoWithFiles, isNewVideo: true })
 197 }
 198
 199 async function assignReplayFilesToVideo (options: {
 200   video: MVideo
 201   replayDirectory: string
 202 }) {
 203   const { video, replayDirectory } = options
 204
 205   const concatenatedTsFiles = await readdir(replayDirectory)
 206
 207   for (const concatenatedTsFile of concatenatedTsFiles) {
 208     const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
 209
 210     const probe = await ffprobePromise(concatenatedTsFilePath)
 211     const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
 212     const { resolution } = await getVideoStreamDimensionsInfo(concatenatedTsFilePath, probe)
 213
 214     await generateHlsPlaylistResolutionFromTS({
 215       video,
 216       concatenatedTsFilePath,
 217       resolution,
 218       isAAC: audioStream?.codec_name === 'aac'
 219     })
 220   }
 221
 222   return video
 223 }
 224
 225 async function cleanupLiveAndFederate (options: {
 226   video: MVideo
 227   permanentLive: boolean
 228   streamingPlaylistId: number
 229 }) {
 230   const { permanentLive, video, streamingPlaylistId } = options
 231
 232   const streamingPlaylist = await VideoStreamingPlaylistModel.loadWithVideo(streamingPlaylistId)
 233
 234   if (streamingPlaylist) {
 235     if (permanentLive) {
 236       await cleanupAndDestroyPermanentLive(video, streamingPlaylist)
 237     } else {
 238       await cleanupUnsavedNormalLive(video, streamingPlaylist)
 239     }
 240   }
 241
 242   try {
 243     const fullVideo = await VideoModel.loadFull(video.id)
 244     return federateVideoIfNeeded(fullVideo, false, undefined)
 245   } catch (err) {
 246     logger.warn('Cannot federate live after cleanup', { videoId: video.id, err })
 247   }
 248 }