1 files changed, 110 insertions, 0 deletions

diff --git a/server/lib/job-queue/handlers/video-file.ts b/server/lib/job-queue/handlers/video-file.ts
new file mode 100644
index 000000000..5294483bd
--- /dev/null
+++ b/server/lib/job-queue/handlers/video-file.ts
@@ -0,0 +1,110 @@
+import * as kue from 'kue'
+import { VideoResolution } from '../../../../shared'
+import { VideoPrivacy } from '../../../../shared/models/videos'
+import { logger } from '../../../helpers/logger'
+import { computeResolutionsToTranscode } from '../../../helpers/utils'
+import { sequelizeTypescript } from '../../../initializers'
+import { VideoModel } from '../../../models/video/video'
+import { shareVideoByServerAndChannel } from '../../activitypub'
+import { sendCreateVideo, sendUpdateVideo } from '../../activitypub/send'
+import { JobQueue } from '../job-queue'
+
+export type VideoFilePayload = {
+  videoUUID: string
+  resolution?: VideoResolution
+}
+
+async function processVideoFile (job: kue.Job) {
+  const payload = job.data as VideoFilePayload
+  logger.info('Processing video file in job %d.', job.id)
+
+  const video = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(payload.videoUUID)
+  // No video, maybe deleted?
+  if (!video) {
+    logger.info('Do not process job %d, video does not exist.', job.id, { videoUUID: video.uuid })
+    return undefined
+  }
+
+  // Transcoding in other resolution
+  if (payload.resolution) {
+    await video.transcodeOriginalVideofile(payload.resolution)
+    await onVideoFileTranscoderSuccess(video)
+  } else {
+    await video.optimizeOriginalVideofile()
+    await onVideoFileOptimizerSuccess(video)
+  }
+
+  return video
+}
+
+async function onVideoFileTranscoderSuccess (video: VideoModel) {
+  if (video === undefined) return undefined
+
+  // Maybe the video changed in database, refresh it
+  const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid)
+  // Video does not exist anymore
+  if (!videoDatabase) return undefined
+
+  if (video.privacy !== VideoPrivacy.PRIVATE) {
+    await sendUpdateVideo(video, undefined)
+  }
+
+  return undefined
+}
+
+async function onVideoFileOptimizerSuccess (video: VideoModel) {
+  if (video === undefined) return undefined
+
+  // Maybe the video changed in database, refresh it
+  const videoDatabase = await VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(video.uuid)
+  // Video does not exist anymore
+  if (!videoDatabase) return undefined
+
+  if (video.privacy !== VideoPrivacy.PRIVATE) {
+    // Now we'll add the video's meta data to our followers
+    await sendCreateVideo(video, undefined)
+    await shareVideoByServerAndChannel(video, undefined)
+  }
+
+  const originalFileHeight = await videoDatabase.getOriginalFileHeight()
+
+  // Create transcoding jobs if there are enabled resolutions
+  const resolutionsEnabled = computeResolutionsToTranscode(originalFileHeight)
+  logger.info(
+    'Resolutions computed for video %s and origin file height of %d.', videoDatabase.uuid, originalFileHeight,
+    { resolutions: resolutionsEnabled }
+  )
+
+  if (resolutionsEnabled.length !== 0) {
+    try {
+      await sequelizeTypescript.transaction(async t => {
+        const tasks: Promise<any>[] = []
+
+        for (const resolution of resolutionsEnabled) {
+          const dataInput = {
+            videoUUID: videoDatabase.uuid,
+            resolution
+          }
+
+          const p = JobQueue.Instance.createJob({ type: 'video-file', payload: dataInput })
+          tasks.push(p)
+        }
+
+        await Promise.all(tasks)
+      })
+
+      logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
+    } catch (err) {
+      logger.warn('Cannot transcode the video.', err)
+    }
+  } else {
+    logger.info('No transcoding jobs created for video %s (no resolutions enabled).')
+    return undefined
+  }
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processVideoFile
+}