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 { buildConcatenatedName, cleanupLive, LiveSegmentShaStore } from '@server/lib/live'
   7 import { generateVideoMiniature } from '@server/lib/thumbnail'
   8 import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/video-transcoding'
   9 import { publishAndFederateIfNeeded } from '@server/lib/video'
  10 import { generateHLSMasterPlaylistFilename, generateHlsSha256SegmentsFilename, getHLSDirectory } from '@server/lib/video-paths'
  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   LiveSegmentShaStore.Instance.cleanupShaSegments(video.uuid)
  41
  42   if (live.saveReplay !== true) {
  43     return cleanupLive(video, streamingPlaylist)
  44   }
  45
  46   return saveLive(video, live, streamingPlaylist)
  47 }
  48
  49 // ---------------------------------------------------------------------------
  50
  51 export {
  52   processVideoLiveEnding
  53 }
  54
  55 // ---------------------------------------------------------------------------
  56
  57 async function saveLive (video: MVideo, live: MVideoLive, streamingPlaylist: MStreamingPlaylist) {
  58   const hlsDirectory = getHLSDirectory(video, false)
  59   const replayDirectory = join(hlsDirectory, VIDEO_LIVE.REPLAY_DIRECTORY)
  60
  61   const rootFiles = await readdir(hlsDirectory)
  62
  63   const playlistFiles = rootFiles.filter(file => {
  64     return file.endsWith('.m3u8') && file !== streamingPlaylist.playlistFilename
  65   })
  66
  67   await cleanupLiveFiles(hlsDirectory)
  68
  69   await live.destroy()
  70
  71   video.isLive = false
  72   // Reinit views
  73   video.views = 0
  74   video.state = VideoState.TO_TRANSCODE
  75
  76   await video.save()
  77
  78   // Remove old HLS playlist video files
  79   const videoWithFiles = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.id)
  80
  81   const hlsPlaylist = videoWithFiles.getHLSPlaylist()
  82   await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
  83
  84   // Reset playlist
  85   hlsPlaylist.VideoFiles = []
  86   hlsPlaylist.playlistFilename = generateHLSMasterPlaylistFilename()
  87   hlsPlaylist.segmentsSha256Filename = generateHlsSha256SegmentsFilename()
  88   await hlsPlaylist.save()
  89
  90   let durationDone = false
  91
  92   for (const playlistFile of playlistFiles) {
  93     const concatenatedTsFile = buildConcatenatedName(playlistFile)
  94     const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
  95
  96     const probe = await ffprobePromise(concatenatedTsFilePath)
  97     const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
  98
  99     const { videoFileResolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath, probe)
 100
 101     const outputPath = await generateHlsPlaylistResolutionFromTS({
 102       video: videoWithFiles,
 103       concatenatedTsFilePath,
 104       resolution: videoFileResolution,
 105       isPortraitMode,
 106       isAAC: audioStream?.codec_name === 'aac'
 107     })
 108
 109     if (!durationDone) {
 110       videoWithFiles.duration = await getDurationFromVideoFile(outputPath)
 111       await videoWithFiles.save()
 112
 113       durationDone = true
 114     }
 115   }
 116
 117   await remove(replayDirectory)
 118
 119   // Regenerate the thumbnail & preview?
 120   if (videoWithFiles.getMiniature().automaticallyGenerated === true) {
 121     await generateVideoMiniature({
 122       video: videoWithFiles,
 123       videoFile: videoWithFiles.getMaxQualityFile(),
 124       type: ThumbnailType.MINIATURE
 125     })
 126   }
 127
 128   if (videoWithFiles.getPreview().automaticallyGenerated === true) {
 129     await generateVideoMiniature({
 130       video: videoWithFiles,
 131       videoFile: videoWithFiles.getMaxQualityFile(),
 132       type: ThumbnailType.PREVIEW
 133     })
 134   }
 135
 136   await publishAndFederateIfNeeded(videoWithFiles, true)
 137 }
 138
 139 async function cleanupLiveFiles (hlsDirectory: string) {
 140   if (!await pathExists(hlsDirectory)) return
 141
 142   const files = await readdir(hlsDirectory)
 143
 144   for (const filename of files) {
 145     if (
 146       filename.endsWith('.ts') ||
 147       filename.endsWith('.m3u8') ||
 148       filename.endsWith('.mpd') ||
 149       filename.endsWith('.m4s') ||
 150       filename.endsWith('.tmp')
 151     ) {
 152       const p = join(hlsDirectory, filename)
 153
 154       remove(p)
 155         .catch(err => logger.error('Cannot remove %s.', p, { err }))
 156     }
 157   }
 158 }