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     const options = {
  56       arguments: [ video ],
  57       errorMessage: 'Cannot execute onVideoFileTranscoderOrImportSuccess with many retries.'
  58     }
  59     await retryTransactionWrapper(onVideoFileTranscoderOrImportSuccess, options)
  60   } else {
  61     await video.optimizeOriginalVideofile()
  62
  63     const options = {
  64       arguments: [ video, payload.isNewVideo ],
  65       errorMessage: 'Cannot execute onVideoFileOptimizerSuccess with many retries.'
  66     }
  67     await retryTransactionWrapper(onVideoFileOptimizerSuccess, options)
  68   }
  69
  70   return video
  71 }
  72
  73 async function onVideoFileTranscoderOrImportSuccess (video: VideoModel) {
  74   if (video === undefined) return undefined
  75
  76   return sequelizeTypescript.transaction(async t => {
  77     // Maybe the video changed in database, refresh it
  78     let videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid, t)
  79     // Video does not exist anymore
  80     if (!videoDatabase) return undefined
  81
  82     // We transcoded the video file in another format, now we can publish it
  83     const oldState = videoDatabase.state
  84     videoDatabase.state = VideoState.PUBLISHED
  85     videoDatabase = await videoDatabase.save({ transaction: t })
  86
  87     // If the video was not published, we consider it is a new one for other instances
  88     const isNewVideo = oldState !== VideoState.PUBLISHED
  89     await federateVideoIfNeeded(videoDatabase, isNewVideo, t)
  90
  91     return undefined
  92   })
  93 }
  94
  95 async function onVideoFileOptimizerSuccess (video: VideoModel, isNewVideo: boolean) {
  96   if (video === undefined) return undefined
  97
  98   // Outside the transaction (IO on disk)
  99   const { videoFileResolution } = await video.getOriginalFileResolution()
 100
 101   return sequelizeTypescript.transaction(async t => {
 102     // Maybe the video changed in database, refresh it
 103     const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid, t)
 104     // Video does not exist anymore
 105     if (!videoDatabase) return undefined
 106
 107     // Create transcoding jobs if there are enabled resolutions
 108     const resolutionsEnabled = computeResolutionsToTranscode(videoFileResolution)
 109     logger.info(
 110       'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, videoFileResolution,
 111       { resolutions: resolutionsEnabled }
 112     )
 113
 114     if (resolutionsEnabled.length !== 0) {
 115       const tasks: Promise<any>[] = []
 116
 117       for (const resolution of resolutionsEnabled) {
 118         const dataInput = {
 119           videoUUID: videoDatabase.uuid,
 120           resolution
 121         }
 122
 123         const p = JobQueue.Instance.createJob({ type: 'video-file', payload: dataInput })
 124         tasks.push(p)
 125       }
 126
 127       await Promise.all(tasks)
 128
 129       logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
 130     } else {
 131       // No transcoding to do, it's now published
 132       video.state = VideoState.PUBLISHED
 133       video = await video.save({ transaction: t })
 134
 135       logger.info('No transcoding jobs created for video %s (no resolutions).', video.uuid)
 136     }
 137
 138     return federateVideoIfNeeded(video, isNewVideo, t)
 139   })
 140 }
 141
 142 // ---------------------------------------------------------------------------
 143
 144 export {
 145   processVideoFile,
 146   processVideoFileImport
 147 }