server/lib/job-queue/handlers/video-file.ts

   1 import * as kue from 'kue'
   2 import { VideoResolution, VideoState } from '../../../../shared'
   3 import { logger } from '../../../helpers/logger'
   4 import { computeResolutionsToTranscode } from '../../../helpers/utils'
   5 import { VideoModel } from '../../../models/video/video'
   6 import { JobQueue } from '../job-queue'
   7 import { federateVideoIfNeeded } from '../../activitypub'
   8 import { retryTransactionWrapper } from '../../../helpers/database-utils'
   9 import { sequelizeTypescript } from '../../../initializers'
  10
  11 export type VideoFilePayload = {
  12   videoUUID: string
  13   isNewVideo?: boolean
  14   resolution?: VideoResolution
  15   isPortraitMode?: boolean
  16 }
  17
  18 export type VideoFileImportPayload = {
  19   videoUUID: string,
  20   filePath: string
  21 }
  22
  23 async function processVideoFileImport (job: kue.Job) {
  24   const payload = job.data as VideoFileImportPayload
  25   logger.info('Processing video file import in job %d.', job.id)
  26
  27   const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(payload.videoUUID)
  28   // No video, maybe deleted?
  29   if (!video) {
  30     logger.info('Do not process job %d, video does not exist.', job.id, { videoUUID: video.uuid })
  31     return undefined
  32   }
  33
  34   await video.importVideoFile(payload.filePath)
  35
  36   await onVideoFileTranscoderOrImportSuccess(video)
  37   return video
  38 }
  39
  40 async function processVideoFile (job: kue.Job) {
  41   const payload = job.data as VideoFilePayload
  42   logger.info('Processing video file in job %d.', job.id)
  43
  44   const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(payload.videoUUID)
  45   // No video, maybe deleted?
  46   if (!video) {
  47     logger.info('Do not process job %d, video does not exist.', job.id, { videoUUID: video.uuid })
  48     return undefined
  49   }
  50
  51   // Transcoding in other resolution
  52   if (payload.resolution) {
  53     await video.transcodeOriginalVideofile(payload.resolution, payload.isPortraitMode)
  54
  55     await retryTransactionWrapper(onVideoFileTranscoderOrImportSuccess, video)
  56   } else {
  57     await video.optimizeOriginalVideofile()
  58
  59     await retryTransactionWrapper(onVideoFileOptimizerSuccess, video, payload.isNewVideo)
  60   }
  61
  62   return video
  63 }
  64
  65 async function onVideoFileTranscoderOrImportSuccess (video: VideoModel) {
  66   if (video === undefined) return undefined
  67
  68   return sequelizeTypescript.transaction(async t => {
  69     // Maybe the video changed in database, refresh it
  70     let videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid, t)
  71     // Video does not exist anymore
  72     if (!videoDatabase) return undefined
  73
  74     // We transcoded the video file in another format, now we can publish it
  75     const oldState = videoDatabase.state
  76     videoDatabase.state = VideoState.PUBLISHED
  77     videoDatabase = await videoDatabase.save({ transaction: t })
  78
  79     // If the video was not published, we consider it is a new one for other instances
  80     const isNewVideo = oldState !== VideoState.PUBLISHED
  81     await federateVideoIfNeeded(videoDatabase, isNewVideo, t)
  82
  83     return undefined
  84   })
  85 }
  86
  87 async function onVideoFileOptimizerSuccess (video: VideoModel, isNewVideo: boolean) {
  88   if (video === undefined) return undefined
  89
  90   // Outside the transaction (IO on disk)
  91   const { videoFileResolution } = await video.getOriginalFileResolution()
  92
  93   return sequelizeTypescript.transaction(async t => {
  94     // Maybe the video changed in database, refresh it
  95     const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid, t)
  96     // Video does not exist anymore
  97     if (!videoDatabase) return undefined
  98
  99     // Create transcoding jobs if there are enabled resolutions
 100     const resolutionsEnabled = computeResolutionsToTranscode(videoFileResolution)
 101     logger.info(
 102       'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, videoFileResolution,
 103       { resolutions: resolutionsEnabled }
 104     )
 105
 106     if (resolutionsEnabled.length !== 0) {
 107       const tasks: Promise<any>[] = []
 108
 109       for (const resolution of resolutionsEnabled) {
 110         const dataInput = {
 111           videoUUID: videoDatabase.uuid,
 112           resolution
 113         }
 114
 115         const p = JobQueue.Instance.createJob({ type: 'video-file', payload: dataInput })
 116         tasks.push(p)
 117       }
 118
 119       await Promise.all(tasks)
 120
 121       logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
 122     } else {
 123       // No transcoding to do, it's now published
 124       video.state = VideoState.PUBLISHED
 125       video = await video.save({ transaction: t })
 126
 127       logger.info('No transcoding jobs created for video %s (no resolutions).', video.uuid)
 128     }
 129
 130     return federateVideoIfNeeded(video, isNewVideo, t)
 131   })
 132 }
 133
 134 // ---------------------------------------------------------------------------
 135
 136 export {
 137   processVideoFile,
 138   processVideoFileImport
 139 }