10 files changed, 692 insertions, 125 deletions

diff --git a/server/controllers/api/config.ts b/server/controllers/api/config.ts
index 60d168d12..0b9aaffda 100644
--- a/server/controllers/api/config.ts
+++ b/server/controllers/api/config.ts
@@ -217,6 +217,9 @@ function customConfig (): CustomConfig {
     },
     transcoding: {
       enabled: CONFIG.TRANSCODING.ENABLED,
+      remoteRunners: {
+        enabled: CONFIG.TRANSCODING.REMOTE_RUNNERS.ENABLED
+      },
       allowAdditionalExtensions: CONFIG.TRANSCODING.ALLOW_ADDITIONAL_EXTENSIONS,
       allowAudioFiles: CONFIG.TRANSCODING.ALLOW_AUDIO_FILES,
       threads: CONFIG.TRANSCODING.THREADS,
@@ -252,6 +255,9 @@ function customConfig (): CustomConfig {
       maxUserLives: CONFIG.LIVE.MAX_USER_LIVES,
       transcoding: {
         enabled: CONFIG.LIVE.TRANSCODING.ENABLED,
+        remoteRunners: {
+          enabled: CONFIG.LIVE.TRANSCODING.REMOTE_RUNNERS.ENABLED
+        },
         threads: CONFIG.LIVE.TRANSCODING.THREADS,
         profile: CONFIG.LIVE.TRANSCODING.PROFILE,
         resolutions: {
diff --git a/server/controllers/api/index.ts b/server/controllers/api/index.ts
index e1d197c8a..646f9597e 100644
--- a/server/controllers/api/index.ts
+++ b/server/controllers/api/index.ts
@@ -15,6 +15,7 @@ import { metricsRouter } from './metrics'
 import { oauthClientsRouter } from './oauth-clients'
 import { overviewsRouter } from './overviews'
 import { pluginRouter } from './plugins'
+import { runnersRouter } from './runners'
 import { searchRouter } from './search'
 import { serverRouter } from './server'
 import { usersRouter } from './users'
@@ -55,6 +56,7 @@ apiRouter.use('/overviews', overviewsRouter)
 apiRouter.use('/plugins', pluginRouter)
 apiRouter.use('/custom-pages', customPageRouter)
 apiRouter.use('/blocklist', blocklistRouter)
+apiRouter.use('/runners', runnersRouter)
 apiRouter.use('/ping', pong)
 apiRouter.use('/*', badRequest)
 
diff --git a/server/controllers/api/jobs.ts b/server/controllers/api/jobs.ts
index 6a53e3083..b63e2f962 100644
--- a/server/controllers/api/jobs.ts
+++ b/server/controllers/api/jobs.ts
@@ -93,6 +93,9 @@ async function formatJob (job: BullJob, state?: JobState): Promise<Job> {
     state: state || await job.getState(),
     type: job.queueName as JobType,
     data: job.data,
+    parent: job.parent
+      ? { id: job.parent.id }
+      : undefined,
     progress: job.progress as number,
     priority: job.opts.priority,
     error,
diff --git a/server/controllers/api/runners/index.ts b/server/controllers/api/runners/index.ts
new file mode 100644
index 000000000..c98ded354
--- /dev/null
+++ b/server/controllers/api/runners/index.ts
@@ -0,0 +1,18 @@
+import express from 'express'
+import { runnerJobsRouter } from './jobs'
+import { runnerJobFilesRouter } from './jobs-files'
+import { manageRunnersRouter } from './manage-runners'
+import { runnerRegistrationTokensRouter } from './registration-tokens'
+
+const runnersRouter = express.Router()
+
+runnersRouter.use('/', manageRunnersRouter)
+runnersRouter.use('/', runnerJobsRouter)
+runnersRouter.use('/', runnerJobFilesRouter)
+runnersRouter.use('/', runnerRegistrationTokensRouter)
+
+// ---------------------------------------------------------------------------
+
+export {
+  runnersRouter
+}
diff --git a/server/controllers/api/runners/jobs-files.ts b/server/controllers/api/runners/jobs-files.ts
new file mode 100644
index 000000000..e43ce35f5
--- /dev/null
+++ b/server/controllers/api/runners/jobs-files.ts
@@ -0,0 +1,84 @@
+import express from 'express'
+import { logger, loggerTagsFactory } from '@server/helpers/logger'
+import { proxifyHLS, proxifyWebTorrentFile } from '@server/lib/object-storage'
+import { VideoPathManager } from '@server/lib/video-path-manager'
+import { asyncMiddleware } from '@server/middlewares'
+import { jobOfRunnerGetValidator } from '@server/middlewares/validators/runners'
+import { runnerJobGetVideoTranscodingFileValidator } from '@server/middlewares/validators/runners/job-files'
+import { VideoStorage } from '@shared/models'
+
+const lTags = loggerTagsFactory('api', 'runner')
+
+const runnerJobFilesRouter = express.Router()
+
+runnerJobFilesRouter.post('/jobs/:jobUUID/files/videos/:videoId/max-quality',
+  asyncMiddleware(jobOfRunnerGetValidator),
+  asyncMiddleware(runnerJobGetVideoTranscodingFileValidator),
+  asyncMiddleware(getMaxQualityVideoFile)
+)
+
+runnerJobFilesRouter.post('/jobs/:jobUUID/files/videos/:videoId/previews/max-quality',
+  asyncMiddleware(jobOfRunnerGetValidator),
+  asyncMiddleware(runnerJobGetVideoTranscodingFileValidator),
+  getMaxQualityVideoPreview
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  runnerJobFilesRouter
+}
+
+// ---------------------------------------------------------------------------
+
+async function getMaxQualityVideoFile (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+  const runner = runnerJob.Runner
+  const video = res.locals.videoAll
+
+  logger.info(
+    'Get max quality file of video %s of job %s for runner %s', video.uuid, runnerJob.uuid, runner.name,
+    lTags(runner.name, runnerJob.id, runnerJob.type)
+  )
+
+  const file = video.getMaxQualityFile()
+
+  if (file.storage === VideoStorage.OBJECT_STORAGE) {
+    if (file.isHLS()) {
+      return proxifyHLS({
+        req,
+        res,
+        filename: file.filename,
+        playlist: video.getHLSPlaylist(),
+        reinjectVideoFileToken: false,
+        video
+      })
+    }
+
+    // Web video
+    return proxifyWebTorrentFile({
+      req,
+      res,
+      filename: file.filename
+    })
+  }
+
+  return VideoPathManager.Instance.makeAvailableVideoFile(file, videoPath => {
+    return res.sendFile(videoPath)
+  })
+}
+
+function getMaxQualityVideoPreview (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+  const runner = runnerJob.Runner
+  const video = res.locals.videoAll
+
+  logger.info(
+    'Get max quality preview file of video %s of job %s for runner %s', video.uuid, runnerJob.uuid, runner.name,
+    lTags(runner.name, runnerJob.id, runnerJob.type)
+  )
+
+  const file = video.getPreview()
+
+  return res.sendFile(file.getPath())
+}
diff --git a/server/controllers/api/runners/jobs.ts b/server/controllers/api/runners/jobs.ts
new file mode 100644
index 000000000..7d488ec11
--- /dev/null
+++ b/server/controllers/api/runners/jobs.ts
@@ -0,0 +1,352 @@
+import express, { UploadFiles } from 'express'
+import { createReqFiles } from '@server/helpers/express-utils'
+import { logger, loggerTagsFactory } from '@server/helpers/logger'
+import { generateRunnerJobToken } from '@server/helpers/token-generator'
+import { MIMETYPES } from '@server/initializers/constants'
+import { sequelizeTypescript } from '@server/initializers/database'
+import { getRunnerJobHandlerClass, updateLastRunnerContact } from '@server/lib/runners'
+import {
+  asyncMiddleware,
+  authenticate,
+  ensureUserHasRight,
+  paginationValidator,
+  runnerJobsSortValidator,
+  setDefaultPagination,
+  setDefaultSort
+} from '@server/middlewares'
+import {
+  abortRunnerJobValidator,
+  acceptRunnerJobValidator,
+  errorRunnerJobValidator,
+  getRunnerFromTokenValidator,
+  jobOfRunnerGetValidator,
+  runnerJobGetValidator,
+  successRunnerJobValidator,
+  updateRunnerJobValidator
+} from '@server/middlewares/validators/runners'
+import { RunnerModel } from '@server/models/runner/runner'
+import { RunnerJobModel } from '@server/models/runner/runner-job'
+import {
+  AbortRunnerJobBody,
+  AcceptRunnerJobResult,
+  ErrorRunnerJobBody,
+  HttpStatusCode,
+  ListRunnerJobsQuery,
+  LiveRTMPHLSTranscodingUpdatePayload,
+  RequestRunnerJobResult,
+  RunnerJobState,
+  RunnerJobSuccessBody,
+  RunnerJobSuccessPayload,
+  RunnerJobType,
+  RunnerJobUpdateBody,
+  RunnerJobUpdatePayload,
+  UserRight,
+  VODAudioMergeTranscodingSuccess,
+  VODHLSTranscodingSuccess,
+  VODWebVideoTranscodingSuccess
+} from '@shared/models'
+
+const postRunnerJobSuccessVideoFiles = createReqFiles(
+  [ 'payload[videoFile]', 'payload[resolutionPlaylistFile]' ],
+  { ...MIMETYPES.VIDEO.MIMETYPE_EXT, ...MIMETYPES.M3U8.MIMETYPE_EXT }
+)
+
+const runnerJobUpdateVideoFiles = createReqFiles(
+  [ 'payload[videoChunkFile]', 'payload[resolutionPlaylistFile]', 'payload[masterPlaylistFile]' ],
+  { ...MIMETYPES.VIDEO.MIMETYPE_EXT, ...MIMETYPES.M3U8.MIMETYPE_EXT }
+)
+
+const lTags = loggerTagsFactory('api', 'runner')
+
+const runnerJobsRouter = express.Router()
+
+// ---------------------------------------------------------------------------
+// Controllers for runners
+// ---------------------------------------------------------------------------
+
+runnerJobsRouter.post('/jobs/request',
+  asyncMiddleware(getRunnerFromTokenValidator),
+  asyncMiddleware(requestRunnerJob)
+)
+
+runnerJobsRouter.post('/jobs/:jobUUID/accept',
+  asyncMiddleware(runnerJobGetValidator),
+  acceptRunnerJobValidator,
+  asyncMiddleware(getRunnerFromTokenValidator),
+  asyncMiddleware(acceptRunnerJob)
+)
+
+runnerJobsRouter.post('/jobs/:jobUUID/abort',
+  asyncMiddleware(jobOfRunnerGetValidator),
+  abortRunnerJobValidator,
+  asyncMiddleware(abortRunnerJob)
+)
+
+runnerJobsRouter.post('/jobs/:jobUUID/update',
+  runnerJobUpdateVideoFiles,
+  asyncMiddleware(jobOfRunnerGetValidator),
+  updateRunnerJobValidator,
+  asyncMiddleware(updateRunnerJobController)
+)
+
+runnerJobsRouter.post('/jobs/:jobUUID/error',
+  asyncMiddleware(jobOfRunnerGetValidator),
+  errorRunnerJobValidator,
+  asyncMiddleware(errorRunnerJob)
+)
+
+runnerJobsRouter.post('/jobs/:jobUUID/success',
+  postRunnerJobSuccessVideoFiles,
+  asyncMiddleware(jobOfRunnerGetValidator),
+  successRunnerJobValidator,
+  asyncMiddleware(postRunnerJobSuccess)
+)
+
+// ---------------------------------------------------------------------------
+// Controllers for admins
+// ---------------------------------------------------------------------------
+
+runnerJobsRouter.post('/jobs/:jobUUID/cancel',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  asyncMiddleware(runnerJobGetValidator),
+  asyncMiddleware(cancelRunnerJob)
+)
+
+runnerJobsRouter.get('/jobs',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  paginationValidator,
+  runnerJobsSortValidator,
+  setDefaultSort,
+  setDefaultPagination,
+  asyncMiddleware(listRunnerJobs)
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  runnerJobsRouter
+}
+
+// ---------------------------------------------------------------------------
+
+// ---------------------------------------------------------------------------
+// Controllers for runners
+// ---------------------------------------------------------------------------
+
+async function requestRunnerJob (req: express.Request, res: express.Response) {
+  const runner = res.locals.runner
+  const availableJobs = await RunnerJobModel.listAvailableJobs()
+
+  logger.debug('Runner %s requests for a job.', runner.name, { availableJobs, ...lTags(runner.name) })
+
+  const result: RequestRunnerJobResult = {
+    availableJobs: availableJobs.map(j => ({
+      uuid: j.uuid,
+      type: j.type,
+      payload: j.payload
+    }))
+  }
+
+  updateLastRunnerContact(req, runner)
+
+  return res.json(result)
+}
+
+async function acceptRunnerJob (req: express.Request, res: express.Response) {
+  const runner = res.locals.runner
+  const runnerJob = res.locals.runnerJob
+
+  runnerJob.state = RunnerJobState.PROCESSING
+  runnerJob.processingJobToken = generateRunnerJobToken()
+  runnerJob.startedAt = new Date()
+  runnerJob.runnerId = runner.id
+
+  const newRunnerJob = await sequelizeTypescript.transaction(transaction => {
+    return runnerJob.save({ transaction })
+  })
+  newRunnerJob.Runner = runner as RunnerModel
+
+  const result: AcceptRunnerJobResult = {
+    job: {
+      ...newRunnerJob.toFormattedJSON(),
+
+      jobToken: newRunnerJob.processingJobToken
+    }
+  }
+
+  updateLastRunnerContact(req, runner)
+
+  logger.info(
+    'Remote runner %s has accepted job %s (%s)', runner.name, runnerJob.uuid, runnerJob.type,
+    lTags(runner.name, runnerJob.uuid, runnerJob.type)
+  )
+
+  return res.json(result)
+}
+
+async function abortRunnerJob (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+  const runner = runnerJob.Runner
+  const body: AbortRunnerJobBody = req.body
+
+  logger.info(
+    'Remote runner %s is aborting job %s (%s)', runner.name, runnerJob.uuid, runnerJob.type,
+    { reason: body.reason, ...lTags(runner.name, runnerJob.uuid, runnerJob.type) }
+  )
+
+  const RunnerJobHandler = getRunnerJobHandlerClass(runnerJob)
+  await new RunnerJobHandler().abort({ runnerJob })
+
+  updateLastRunnerContact(req, runnerJob.Runner)
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+async function errorRunnerJob (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+  const runner = runnerJob.Runner
+  const body: ErrorRunnerJobBody = req.body
+
+  runnerJob.failures += 1
+
+  logger.error(
+    'Remote runner %s had an error with job %s (%s)', runner.name, runnerJob.uuid, runnerJob.type,
+    { errorMessage: body.message, totalFailures: runnerJob.failures, ...lTags(runner.name, runnerJob.uuid, runnerJob.type) }
+  )
+
+  const RunnerJobHandler = getRunnerJobHandlerClass(runnerJob)
+  await new RunnerJobHandler().error({ runnerJob, message: body.message })
+
+  updateLastRunnerContact(req, runnerJob.Runner)
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+// ---------------------------------------------------------------------------
+
+const jobUpdateBuilders: {
+  [id in RunnerJobType]?: (payload: RunnerJobUpdatePayload, files?: UploadFiles) => RunnerJobUpdatePayload
+} = {
+  'live-rtmp-hls-transcoding': (payload: LiveRTMPHLSTranscodingUpdatePayload, files) => {
+    return {
+      ...payload,
+
+      masterPlaylistFile: files['payload[masterPlaylistFile]']?.[0].path,
+      resolutionPlaylistFile: files['payload[resolutionPlaylistFile]']?.[0].path,
+      videoChunkFile: files['payload[videoChunkFile]']?.[0].path
+    }
+  }
+}
+
+async function updateRunnerJobController (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+  const runner = runnerJob.Runner
+  const body: RunnerJobUpdateBody = req.body
+
+  const payloadBuilder = jobUpdateBuilders[runnerJob.type]
+  const updatePayload = payloadBuilder
+    ? payloadBuilder(body.payload, req.files as UploadFiles)
+    : undefined
+
+  logger.debug(
+    'Remote runner %s is updating job %s (%s)', runnerJob.Runner.name, runnerJob.uuid, runnerJob.type,
+    { body, updatePayload, ...lTags(runner.name, runnerJob.uuid, runnerJob.type) }
+  )
+
+  const RunnerJobHandler = getRunnerJobHandlerClass(runnerJob)
+  await new RunnerJobHandler().update({
+    runnerJob,
+    progress: req.body.progress,
+    updatePayload
+  })
+
+  updateLastRunnerContact(req, runnerJob.Runner)
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+// ---------------------------------------------------------------------------
+
+const jobSuccessPayloadBuilders: {
+  [id in RunnerJobType]: (payload: RunnerJobSuccessPayload, files?: UploadFiles) => RunnerJobSuccessPayload
+} = {
+  'vod-web-video-transcoding': (payload: VODWebVideoTranscodingSuccess, files) => {
+    return {
+      ...payload,
+
+      videoFile: files['payload[videoFile]'][0].path
+    }
+  },
+
+  'vod-hls-transcoding': (payload: VODHLSTranscodingSuccess, files) => {
+    return {
+      ...payload,
+
+      videoFile: files['payload[videoFile]'][0].path,
+      resolutionPlaylistFile: files['payload[resolutionPlaylistFile]'][0].path
+    }
+  },
+
+  'vod-audio-merge-transcoding': (payload: VODAudioMergeTranscodingSuccess, files) => {
+    return {
+      ...payload,
+
+      videoFile: files['payload[videoFile]'][0].path
+    }
+  },
+
+  'live-rtmp-hls-transcoding': () => ({})
+}
+
+async function postRunnerJobSuccess (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+  const runner = runnerJob.Runner
+  const body: RunnerJobSuccessBody = req.body
+
+  const resultPayload = jobSuccessPayloadBuilders[runnerJob.type](body.payload, req.files as UploadFiles)
+
+  logger.info(
+    'Remote runner %s is sending success result for job %s (%s)', runnerJob.Runner.name, runnerJob.uuid, runnerJob.type,
+    { resultPayload, ...lTags(runner.name, runnerJob.uuid, runnerJob.type) }
+  )
+
+  const RunnerJobHandler = getRunnerJobHandlerClass(runnerJob)
+  await new RunnerJobHandler().complete({ runnerJob, resultPayload })
+
+  updateLastRunnerContact(req, runnerJob.Runner)
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+// ---------------------------------------------------------------------------
+// Controllers for admins
+// ---------------------------------------------------------------------------
+
+async function cancelRunnerJob (req: express.Request, res: express.Response) {
+  const runnerJob = res.locals.runnerJob
+
+  logger.info('Cancelling job %s (%s)', runnerJob.type, lTags(runnerJob.uuid, runnerJob.type))
+
+  const RunnerJobHandler = getRunnerJobHandlerClass(runnerJob)
+  await new RunnerJobHandler().cancel({ runnerJob })
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+async function listRunnerJobs (req: express.Request, res: express.Response) {
+  const query: ListRunnerJobsQuery = req.query
+
+  const resultList = await RunnerJobModel.listForApi({
+    start: query.start,
+    count: query.count,
+    sort: query.sort,
+    search: query.search
+  })
+
+  return res.json({
+    total: resultList.total,
+    data: resultList.data.map(d => d.toFormattedAdminJSON())
+  })
+}
diff --git a/server/controllers/api/runners/manage-runners.ts b/server/controllers/api/runners/manage-runners.ts
new file mode 100644
index 000000000..eb08c4b1d
--- /dev/null
+++ b/server/controllers/api/runners/manage-runners.ts
@@ -0,0 +1,107 @@
+import express from 'express'
+import { logger, loggerTagsFactory } from '@server/helpers/logger'
+import { generateRunnerToken } from '@server/helpers/token-generator'
+import {
+  asyncMiddleware,
+  authenticate,
+  ensureUserHasRight,
+  paginationValidator,
+  runnersSortValidator,
+  setDefaultPagination,
+  setDefaultSort
+} from '@server/middlewares'
+import { deleteRunnerValidator, getRunnerFromTokenValidator, registerRunnerValidator } from '@server/middlewares/validators/runners'
+import { RunnerModel } from '@server/models/runner/runner'
+import { HttpStatusCode, ListRunnersQuery, RegisterRunnerBody, UserRight } from '@shared/models'
+
+const lTags = loggerTagsFactory('api', 'runner')
+
+const manageRunnersRouter = express.Router()
+
+manageRunnersRouter.post('/register',
+  asyncMiddleware(registerRunnerValidator),
+  asyncMiddleware(registerRunner)
+)
+manageRunnersRouter.post('/unregister',
+  asyncMiddleware(getRunnerFromTokenValidator),
+  asyncMiddleware(unregisterRunner)
+)
+
+manageRunnersRouter.delete('/:runnerId',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  asyncMiddleware(deleteRunnerValidator),
+  asyncMiddleware(deleteRunner)
+)
+
+manageRunnersRouter.get('/',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  paginationValidator,
+  runnersSortValidator,
+  setDefaultSort,
+  setDefaultPagination,
+  asyncMiddleware(listRunners)
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  manageRunnersRouter
+}
+
+// ---------------------------------------------------------------------------
+
+async function registerRunner (req: express.Request, res: express.Response) {
+  const body: RegisterRunnerBody = req.body
+
+  const runnerToken = generateRunnerToken()
+
+  const runner = new RunnerModel({
+    runnerToken,
+    name: body.name,
+    description: body.description,
+    lastContact: new Date(),
+    ip: req.ip,
+    runnerRegistrationTokenId: res.locals.runnerRegistrationToken.id
+  })
+
+  await runner.save()
+
+  logger.info('Registered new runner %s', runner.name, { ...lTags(runner.name) })
+
+  return res.json({ id: runner.id, runnerToken })
+}
+async function unregisterRunner (req: express.Request, res: express.Response) {
+  const runner = res.locals.runner
+  await runner.destroy()
+
+  logger.info('Unregistered runner %s', runner.name, { ...lTags(runner.name) })
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+async function deleteRunner (req: express.Request, res: express.Response) {
+  const runner = res.locals.runner
+
+  await runner.destroy()
+
+  logger.info('Deleted runner %s', runner.name, { ...lTags(runner.name) })
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+async function listRunners (req: express.Request, res: express.Response) {
+  const query: ListRunnersQuery = req.query
+
+  const resultList = await RunnerModel.listForApi({
+    start: query.start,
+    count: query.count,
+    sort: query.sort
+  })
+
+  return res.json({
+    total: resultList.total,
+    data: resultList.data.map(d => d.toFormattedJSON())
+  })
+}
diff --git a/server/controllers/api/runners/registration-tokens.ts b/server/controllers/api/runners/registration-tokens.ts
new file mode 100644
index 000000000..5ac3773fe
--- /dev/null
+++ b/server/controllers/api/runners/registration-tokens.ts
@@ -0,0 +1,87 @@
+import express from 'express'
+import { generateRunnerRegistrationToken } from '@server/helpers/token-generator'
+import {
+  asyncMiddleware,
+  authenticate,
+  ensureUserHasRight,
+  paginationValidator,
+  runnerRegistrationTokensSortValidator,
+  setDefaultPagination,
+  setDefaultSort
+} from '@server/middlewares'
+import { deleteRegistrationTokenValidator } from '@server/middlewares/validators/runners'
+import { RunnerRegistrationTokenModel } from '@server/models/runner/runner-registration-token'
+import { HttpStatusCode, ListRunnerRegistrationTokensQuery, UserRight } from '@shared/models'
+import { logger, loggerTagsFactory } from '@server/helpers/logger'
+
+const lTags = loggerTagsFactory('api', 'runner')
+
+const runnerRegistrationTokensRouter = express.Router()
+
+runnerRegistrationTokensRouter.post('/registration-tokens/generate',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  asyncMiddleware(generateRegistrationToken)
+)
+
+runnerRegistrationTokensRouter.delete('/registration-tokens/:id',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  asyncMiddleware(deleteRegistrationTokenValidator),
+  asyncMiddleware(deleteRegistrationToken)
+)
+
+runnerRegistrationTokensRouter.get('/registration-tokens',
+  authenticate,
+  ensureUserHasRight(UserRight.MANAGE_RUNNERS),
+  paginationValidator,
+  runnerRegistrationTokensSortValidator,
+  setDefaultSort,
+  setDefaultPagination,
+  asyncMiddleware(listRegistrationTokens)
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  runnerRegistrationTokensRouter
+}
+
+// ---------------------------------------------------------------------------
+
+async function generateRegistrationToken (req: express.Request, res: express.Response) {
+  logger.info('Generating new runner registration token.', lTags())
+
+  const registrationToken = new RunnerRegistrationTokenModel({
+    registrationToken: generateRunnerRegistrationToken()
+  })
+
+  await registrationToken.save()
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+async function deleteRegistrationToken (req: express.Request, res: express.Response) {
+  logger.info('Removing runner registration token.', lTags())
+
+  const runnerRegistrationToken = res.locals.runnerRegistrationToken
+
+  await runnerRegistrationToken.destroy()
+
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
+}
+
+async function listRegistrationTokens (req: express.Request, res: express.Response) {
+  const query: ListRunnerRegistrationTokensQuery = req.query
+
+  const resultList = await RunnerRegistrationTokenModel.listForApi({
+    start: query.start,
+    count: query.count,
+    sort: query.sort
+  })
+
+  return res.json({
+    total: resultList.total,
+    data: resultList.data.map(d => d.toFormattedJSON())
+  })
+}
diff --git a/server/controllers/api/videos/transcoding.ts b/server/controllers/api/videos/transcoding.ts
index 8c9a5322b..54f484b2b 100644
--- a/server/controllers/api/videos/transcoding.ts
+++ b/server/controllers/api/videos/transcoding.ts
@@ -1,10 +1,8 @@
-import Bluebird from 'bluebird'
 import express from 'express'
-import { computeResolutionsToTranscode } from '@server/helpers/ffmpeg'
 import { logger, loggerTagsFactory } from '@server/helpers/logger'
-import { JobQueue } from '@server/lib/job-queue'
 import { Hooks } from '@server/lib/plugins/hooks'
-import { buildTranscodingJob } from '@server/lib/video'
+import { createTranscodingJobs } from '@server/lib/transcoding/create-transcoding-job'
+import { computeResolutionsToTranscode } from '@server/lib/transcoding/transcoding-resolutions'
 import { HttpStatusCode, UserRight, VideoState, VideoTranscodingCreate } from '@shared/models'
 import { asyncMiddleware, authenticate, createTranscodingValidator, ensureUserHasRight } from '../../../middlewares'
 
@@ -47,82 +45,13 @@ async function createTranscoding (req: express.Request, res: express.Response) {
   video.state = VideoState.TO_TRANSCODE
   await video.save()
 
-  const childrenResolutions = resolutions.filter(r => r !== maxResolution)
-
-  logger.info('Manually creating transcoding jobs for %s.', body.transcodingType, { childrenResolutions, maxResolution })
-
-  const children = await Bluebird.mapSeries(childrenResolutions, resolution => {
-    if (body.transcodingType === 'hls') {
-      return buildHLSJobOption({
-        videoUUID: video.uuid,
-        hasAudio,
-        resolution,
-        isMaxQuality: false
-      })
-    }
-
-    if (body.transcodingType === 'webtorrent') {
-      return buildWebTorrentJobOption({
-        videoUUID: video.uuid,
-        hasAudio,
-        resolution
-      })
-    }
-  })
-
-  const parent = body.transcodingType === 'hls'
-    ? await buildHLSJobOption({
-      videoUUID: video.uuid,
-      hasAudio,
-      resolution: maxResolution,
-      isMaxQuality: false
-    })
-    : await buildWebTorrentJobOption({
-      videoUUID: video.uuid,
-      hasAudio,
-      resolution: maxResolution
-    })
-
-  // Porcess the last resolution after the other ones to prevent concurrency issue
-  // Because low resolutions use the biggest one as ffmpeg input
-  await JobQueue.Instance.createJobWithChildren(parent, children)
-
-  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
-}
-
-function buildHLSJobOption (options: {
-  videoUUID: string
-  hasAudio: boolean
-  resolution: number
-  isMaxQuality: boolean
-}) {
-  const { videoUUID, hasAudio, resolution, isMaxQuality } = options
-
-  return buildTranscodingJob({
-    type: 'new-resolution-to-hls',
-    videoUUID,
-    resolution,
-    hasAudio,
-    copyCodecs: false,
+  await createTranscodingJobs({
+    video,
+    resolutions,
+    transcodingType: body.transcodingType,
     isNewVideo: false,
-    autoDeleteWebTorrentIfNeeded: false,
-    isMaxQuality
+    user: null // Don't specify priority since these transcoding jobs are fired by the admin
   })
-}
 
-function buildWebTorrentJobOption (options: {
-  videoUUID: string
-  hasAudio: boolean
-  resolution: number
-}) {
-  const { videoUUID, hasAudio, resolution } = options
-
-  return buildTranscodingJob({
-    type: 'new-resolution-to-webtorrent',
-    videoUUID,
-    isNewVideo: false,
-    resolution,
-    hasAudio,
-    createHLSIfNeeded: false
-  })
+  return res.sendStatus(HttpStatusCode.NO_CONTENT_204)
 }
diff --git a/server/controllers/api/videos/upload.ts b/server/controllers/api/videos/upload.ts
index 43313a143..885ac8b81 100644
--- a/server/controllers/api/videos/upload.ts
+++ b/server/controllers/api/videos/upload.ts
@@ -3,28 +3,20 @@ import { move } from 'fs-extra'
 import { basename } from 'path'
 import { getResumableUploadPath } from '@server/helpers/upload'
 import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url'
-import { JobQueue } from '@server/lib/job-queue'
-import { generateWebTorrentVideoFilename } from '@server/lib/paths'
+import { CreateJobArgument, CreateJobOptions, JobQueue } from '@server/lib/job-queue'
 import { Redis } from '@server/lib/redis'
 import { uploadx } from '@server/lib/uploadx'
-import {
-  buildLocalVideoFromReq,
-  buildMoveToObjectStorageJob,
-  buildOptimizeOrMergeAudioJob,
-  buildVideoThumbnailsFromReq,
-  setVideoTags
-} from '@server/lib/video'
+import { buildLocalVideoFromReq, buildMoveToObjectStorageJob, buildVideoThumbnailsFromReq, setVideoTags } from '@server/lib/video'
+import { buildNewFile } from '@server/lib/video-file'
 import { VideoPathManager } from '@server/lib/video-path-manager'
 import { buildNextVideoState } from '@server/lib/video-state'
 import { openapiOperationDoc } from '@server/middlewares/doc'
 import { VideoSourceModel } from '@server/models/video/video-source'
 import { MUserId, MVideoFile, MVideoFullLight } from '@server/types/models'
-import { getLowercaseExtension } from '@shared/core-utils'
-import { isAudioFile, uuidToShort } from '@shared/extra-utils'
-import { HttpStatusCode, VideoCreate, VideoResolution, VideoState } from '@shared/models'
+import { uuidToShort } from '@shared/extra-utils'
+import { HttpStatusCode, VideoCreate, VideoState } from '@shared/models'
 import { auditLoggerFactory, getAuditIdFromRes, VideoAuditView } from '../../../helpers/audit-logger'
 import { createReqFiles } from '../../../helpers/express-utils'
-import { buildFileMetadata, ffprobePromise, getVideoStreamDimensionsInfo, getVideoStreamFPS } from '../../../helpers/ffmpeg'
 import { logger, loggerTagsFactory } from '../../../helpers/logger'
 import { MIMETYPES } from '../../../initializers/constants'
 import { sequelizeTypescript } from '../../../initializers/database'
@@ -41,7 +33,6 @@ import {
 } from '../../../middlewares'
 import { ScheduleVideoUpdateModel } from '../../../models/video/schedule-video-update'
 import { VideoModel } from '../../../models/video/video'
-import { VideoFileModel } from '../../../models/video/video-file'
 
 const lTags = loggerTagsFactory('api', 'video')
 const auditLogger = auditLoggerFactory('videos')
@@ -148,7 +139,7 @@ async function addVideo (options: {
   video.VideoChannel = videoChannel
   video.url = getLocalVideoActivityPubUrl(video) // We use the UUID, so set the URL after building the object
 
-  const videoFile = await buildNewFile(videoPhysicalFile)
+  const videoFile = await buildNewFile({ path: videoPhysicalFile.path, mode: 'web-video' })
   const originalFilename = videoPhysicalFile.originalname
 
   // Move physical file
@@ -227,30 +218,8 @@ async function addVideo (options: {
   }
 }
 
-async function buildNewFile (videoPhysicalFile: express.VideoUploadFile) {
-  const videoFile = new VideoFileModel({
-    extname: getLowercaseExtension(videoPhysicalFile.filename),
-    size: videoPhysicalFile.size,
-    videoStreamingPlaylistId: null,
-    metadata: await buildFileMetadata(videoPhysicalFile.path)
-  })
-
-  const probe = await ffprobePromise(videoPhysicalFile.path)
-
-  if (await isAudioFile(videoPhysicalFile.path, probe)) {
-    videoFile.resolution = VideoResolution.H_NOVIDEO
-  } else {
-    videoFile.fps = await getVideoStreamFPS(videoPhysicalFile.path, probe)
-    videoFile.resolution = (await getVideoStreamDimensionsInfo(videoPhysicalFile.path, probe)).resolution
-  }
-
-  videoFile.filename = generateWebTorrentVideoFilename(videoFile.resolution, videoFile.extname)
-
-  return videoFile
-}
-
 async function addVideoJobsAfterUpload (video: MVideoFullLight, videoFile: MVideoFile, user: MUserId) {
-  return JobQueue.Instance.createSequentialJobFlow(
+  const jobs: (CreateJobArgument & CreateJobOptions)[] = [
     {
       type: 'manage-video-torrent' as 'manage-video-torrent',
       payload: {
@@ -274,16 +243,26 @@ async function addVideoJobsAfterUpload (video: MVideoFullLight, videoFile: MVide
         videoUUID: video.uuid,
         isNewVideo: true
       }
-    },
+    }
+  ]
 
-    video.state === VideoState.TO_MOVE_TO_EXTERNAL_STORAGE
-      ? await buildMoveToObjectStorageJob({ video, previousVideoState: undefined })
-      : undefined,
+  if (video.state === VideoState.TO_MOVE_TO_EXTERNAL_STORAGE) {
+    jobs.push(await buildMoveToObjectStorageJob({ video, previousVideoState: undefined }))
+  }
+
+  if (video.state === VideoState.TO_TRANSCODE) {
+    jobs.push({
+      type: 'transcoding-job-builder' as 'transcoding-job-builder',
+      payload: {
+        videoUUID: video.uuid,
+        optimizeJob: {
+          isNewVideo: true
+        }
+      }
+    })
+  }
 
-    video.state === VideoState.TO_TRANSCODE
-      ? await buildOptimizeOrMergeAudioJob({ video, videoFile, user })
-      : undefined
-  )
+  return JobQueue.Instance.createSequentialJobFlow(...jobs)
 }
 
 async function deleteUploadResumableCache (req: express.Request, res: express.Response, next: express.NextFunction) {