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

   1 import * as kue from 'kue'
   2 import { VideoResolution } from '../../../../shared'
   3 import { VideoPrivacy } from '../../../../shared/models/videos'
   4 import { logger } from '../../../helpers/logger'
   5 import { computeResolutionsToTranscode } from '../../../helpers/utils'
   6 import { sequelizeTypescript } from '../../../initializers'
   7 import { VideoModel } from '../../../models/video/video'
   8 import { shareVideoByServerAndChannel } from '../../activitypub'
   9 import { sendCreateVideo, sendUpdateVideo } from '../../activitypub/send'
  10 import { JobQueue } from '../job-queue'
  11
  12 export type VideoFilePayload = {
  13   videoUUID: string
  14   resolution?: VideoResolution
  15 }
  16
  17 async function processVideoFile (job: kue.Job) {
  18   const payload = job.data as VideoFilePayload
  19   logger.info('Processing video file in job %d.', job.id)
  20
  21   const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(payload.videoUUID)
  22   // No video, maybe deleted?
  23   if (!video) {
  24     logger.info('Do not process job %d, video does not exist.', job.id, { videoUUID: video.uuid })
  25     return undefined
  26   }
  27
  28   // Transcoding in other resolution
  29   if (payload.resolution) {
  30     await video.transcodeOriginalVideofile(payload.resolution)
  31     await onVideoFileTranscoderSuccess(video)
  32   } else {
  33     await video.optimizeOriginalVideofile()
  34     await onVideoFileOptimizerSuccess(video)
  35   }
  36
  37   return video
  38 }
  39
  40 async function onVideoFileTranscoderSuccess (video: VideoModel) {
  41   if (video === undefined) return undefined
  42
  43   // Maybe the video changed in database, refresh it
  44   const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid)
  45   // Video does not exist anymore
  46   if (!videoDatabase) return undefined
  47
  48   if (video.privacy !== VideoPrivacy.PRIVATE) {
  49     await sendUpdateVideo(video, undefined)
  50   }
  51
  52   return undefined
  53 }
  54
  55 async function onVideoFileOptimizerSuccess (video: VideoModel) {
  56   if (video === undefined) return undefined
  57
  58   // Maybe the video changed in database, refresh it
  59   const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid)
  60   // Video does not exist anymore
  61   if (!videoDatabase) return undefined
  62
  63   if (video.privacy !== VideoPrivacy.PRIVATE) {
  64     // Now we'll add the video's meta data to our followers
  65     await sendCreateVideo(video, undefined)
  66     await shareVideoByServerAndChannel(video, undefined)
  67   }
  68
  69   const originalFileHeight = await videoDatabase.getOriginalFileHeight()
  70
  71   // Create transcoding jobs if there are enabled resolutions
  72   const resolutionsEnabled = computeResolutionsToTranscode(originalFileHeight)
  73   logger.info(
  74     'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, originalFileHeight,
  75     { resolutions: resolutionsEnabled }
  76   )
  77
  78   if (resolutionsEnabled.length !== 0) {
  79     try {
  80       await sequelizeTypescript.transaction(async t => {
  81         const tasks: Promise<any>[] = []
  82
  83         for (const resolution of resolutionsEnabled) {
  84           const dataInput = {
  85             videoUUID: videoDatabase.uuid,
  86             resolution
  87           }
  88
  89           const p = JobQueue.Instance.createJob({ type: 'video-file', payload: dataInput })
  90           tasks.push(p)
  91         }
  92
  93         await Promise.all(tasks)
  94       })
  95
  96       logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
  97     } catch (err) {
  98       logger.warn('Cannot transcode the video.', err)
  99     }
 100   } else {
 101     logger.info('No transcoding jobs created for video %s (no resolutions enabled).')
 102     return undefined
 103   }
 104 }
 105
 106 // ---------------------------------------------------------------------------
 107
 108 export {
 109   processVideoFile
 110 }