Add basic video editor support

18 files changed, 357 insertions, 61 deletions

diff --git a/server/lib/hls.ts b/server/lib/hls.ts
index 985f50587..43043315b 100644
--- a/server/lib/hls.ts
+++ b/server/lib/hls.ts
@@ -4,7 +4,7 @@ import { basename, dirname, join } from 'path'
 import { MStreamingPlaylistFilesVideo, MVideo, MVideoUUID } from '@server/types/models'
 import { sha256 } from '@shared/extra-utils'
 import { VideoStorage } from '@shared/models'
-import { getAudioStreamCodec, getVideoStreamCodec, getVideoStreamSize } from '../helpers/ffprobe-utils'
+import { getAudioStreamCodec, getVideoStreamCodec, getVideoStreamDimensionsInfo } from '../helpers/ffmpeg'
 import { logger } from '../helpers/logger'
 import { doRequest, doRequestAndSaveToFile } from '../helpers/requests'
 import { generateRandomString } from '../helpers/utils'
@@ -40,10 +40,10 @@ async function updateMasterHLSPlaylist (video: MVideo, playlist: MStreamingPlayl
     const playlistFilename = getHlsResolutionPlaylistFilename(file.filename)
 
     await VideoPathManager.Instance.makeAvailableVideoFile(file.withVideoOrPlaylist(playlist), async videoFilePath => {
-      const size = await getVideoStreamSize(videoFilePath)
+      const size = await getVideoStreamDimensionsInfo(videoFilePath)
 
       const bandwidth = 'BANDWIDTH=' + video.getBandwidthBits(file)
-      const resolution = `RESOLUTION=${size.width}x${size.height}`
+      const resolution = `RESOLUTION=${size?.width || 0}x${size?.height || 0}`
 
       let line = `#EXT-X-STREAM-INF:${bandwidth},${resolution}`
       if (file.fps) line += ',FRAME-RATE=' + file.fps
diff --git a/server/lib/job-queue/handlers/video-edition.ts b/server/lib/job-queue/handlers/video-edition.ts
new file mode 100644
index 000000000..c5ba0452f
--- /dev/null
+++ b/server/lib/job-queue/handlers/video-edition.ts
@@ -0,0 +1,229 @@
+import { Job } from 'bull'
+import { move, remove } from 'fs-extra'
+import { join } from 'path'
+import { addIntroOutro, addWatermark, cutVideo } from '@server/helpers/ffmpeg'
+import { createTorrentAndSetInfoHashFromPath } from '@server/helpers/webtorrent'
+import { CONFIG } from '@server/initializers/config'
+import { federateVideoIfNeeded } from '@server/lib/activitypub/videos'
+import { generateWebTorrentVideoFilename } from '@server/lib/paths'
+import { VideoTranscodingProfilesManager } from '@server/lib/transcoding/default-transcoding-profiles'
+import { isAbleToUploadVideo } from '@server/lib/user'
+import { addMoveToObjectStorageJob, addOptimizeOrMergeAudioJob } from '@server/lib/video'
+import { approximateIntroOutroAdditionalSize } from '@server/lib/video-editor'
+import { VideoPathManager } from '@server/lib/video-path-manager'
+import { buildNextVideoState } from '@server/lib/video-state'
+import { UserModel } from '@server/models/user/user'
+import { VideoModel } from '@server/models/video/video'
+import { VideoFileModel } from '@server/models/video/video-file'
+import { MVideo, MVideoFile, MVideoFullLight, MVideoId, MVideoWithAllFiles } from '@server/types/models'
+import { getLowercaseExtension, pick } from '@shared/core-utils'
+import {
+  buildFileMetadata,
+  buildUUID,
+  ffprobePromise,
+  getFileSize,
+  getVideoStreamDimensionsInfo,
+  getVideoStreamDuration,
+  getVideoStreamFPS
+} from '@shared/extra-utils'
+import {
+  VideoEditionPayload,
+  VideoEditionTaskPayload,
+  VideoEditorTask,
+  VideoEditorTaskCutPayload,
+  VideoEditorTaskIntroPayload,
+  VideoEditorTaskOutroPayload,
+  VideoEditorTaskWatermarkPayload,
+  VideoState
+} from '@shared/models'
+import { logger, loggerTagsFactory } from '../../../helpers/logger'
+
+const lTagsBase = loggerTagsFactory('video-edition')
+
+async function processVideoEdition (job: Job) {
+  const payload = job.data as VideoEditionPayload
+
+  logger.info('Process video edition of %s in job %d.', payload.videoUUID, job.id)
+
+  const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(payload.videoUUID)
+
+  // No video, maybe deleted?
+  if (!video) {
+    logger.info('Can\'t process job %d, video does not exist.', job.id, lTagsBase(payload.videoUUID))
+    return undefined
+  }
+
+  await checkUserQuotaOrThrow(video, payload)
+
+  const inputFile = video.getMaxQualityFile()
+
+  const editionResultPath = await VideoPathManager.Instance.makeAvailableVideoFile(inputFile, async originalFilePath => {
+    let tmpInputFilePath: string
+    let outputPath: string
+
+    for (const task of payload.tasks) {
+      const outputFilename = buildUUID() + inputFile.extname
+      outputPath = join(CONFIG.STORAGE.TMP_DIR, outputFilename)
+
+      await processTask({
+        inputPath: tmpInputFilePath ?? originalFilePath,
+        video,
+        outputPath,
+        task
+      })
+
+      if (tmpInputFilePath) await remove(tmpInputFilePath)
+
+      // For the next iteration
+      tmpInputFilePath = outputPath
+    }
+
+    return outputPath
+  })
+
+  logger.info('Video edition ended for video %s.', video.uuid)
+
+  const newFile = await buildNewFile(video, editionResultPath)
+
+  const outputPath = VideoPathManager.Instance.getFSVideoFileOutputPath(video, newFile)
+  await move(editionResultPath, outputPath)
+
+  await createTorrentAndSetInfoHashFromPath(video, newFile, outputPath)
+
+  await removeAllFiles(video, newFile)
+
+  await newFile.save()
+
+  video.state = buildNextVideoState()
+  video.duration = await getVideoStreamDuration(outputPath)
+  await video.save()
+
+  await federateVideoIfNeeded(video, false, undefined)
+
+  if (video.state === VideoState.TO_TRANSCODE) {
+    const user = await UserModel.loadByVideoId(video.id)
+
+    await addOptimizeOrMergeAudioJob(video, newFile, user, false)
+  } else if (video.state === VideoState.TO_MOVE_TO_EXTERNAL_STORAGE) {
+    await addMoveToObjectStorageJob(video, false)
+  }
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processVideoEdition
+}
+
+// ---------------------------------------------------------------------------
+
+type TaskProcessorOptions <T extends VideoEditionTaskPayload = VideoEditionTaskPayload> = {
+  inputPath: string
+  outputPath: string
+  video: MVideo
+  task: T
+}
+
+const taskProcessors: { [id in VideoEditorTask['name']]: (options: TaskProcessorOptions) => Promise<any> } = {
+  'add-intro': processAddIntroOutro,
+  'add-outro': processAddIntroOutro,
+  'cut': processCut,
+  'add-watermark': processAddWatermark
+}
+
+async function processTask (options: TaskProcessorOptions) {
+  const { video, task } = options
+
+  logger.info('Processing %s task for video %s.', task.name, video.uuid, { task })
+
+  const processor = taskProcessors[options.task.name]
+  if (!process) throw new Error('Unknown task ' + task.name)
+
+  return processor(options)
+}
+
+function processAddIntroOutro (options: TaskProcessorOptions<VideoEditorTaskIntroPayload | VideoEditorTaskOutroPayload>) {
+  const { task } = options
+
+  return addIntroOutro({
+    ...pick(options, [ 'inputPath', 'outputPath' ]),
+
+    introOutroPath: task.options.file,
+    type: task.name === 'add-intro'
+      ? 'intro'
+      : 'outro',
+
+    availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+    profile: CONFIG.TRANSCODING.PROFILE
+  })
+}
+
+function processCut (options: TaskProcessorOptions<VideoEditorTaskCutPayload>) {
+  const { task } = options
+
+  return cutVideo({
+    ...pick(options, [ 'inputPath', 'outputPath' ]),
+
+    start: task.options.start,
+    end: task.options.end
+  })
+}
+
+function processAddWatermark (options: TaskProcessorOptions<VideoEditorTaskWatermarkPayload>) {
+  const { task } = options
+
+  return addWatermark({
+    ...pick(options, [ 'inputPath', 'outputPath' ]),
+
+    watermarkPath: task.options.file,
+
+    availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
+    profile: CONFIG.TRANSCODING.PROFILE
+  })
+}
+
+async function buildNewFile (video: MVideoId, path: string) {
+  const videoFile = new VideoFileModel({
+    extname: getLowercaseExtension(path),
+    size: await getFileSize(path),
+    metadata: await buildFileMetadata(path),
+    videoStreamingPlaylistId: null,
+    videoId: video.id
+  })
+
+  const probe = await ffprobePromise(path)
+
+  videoFile.fps = await getVideoStreamFPS(path, probe)
+  videoFile.resolution = (await getVideoStreamDimensionsInfo(path, probe)).resolution
+
+  videoFile.filename = generateWebTorrentVideoFilename(videoFile.resolution, videoFile.extname)
+
+  return videoFile
+}
+
+async function removeAllFiles (video: MVideoWithAllFiles, webTorrentFileException: MVideoFile) {
+  const hls = video.getHLSPlaylist()
+
+  if (hls) {
+    await video.removeStreamingPlaylistFiles(hls)
+    await hls.destroy()
+  }
+
+  for (const file of video.VideoFiles) {
+    if (file.id === webTorrentFileException.id) continue
+
+    await video.removeWebTorrentFileAndTorrent(file)
+    await file.destroy()
+  }
+}
+
+async function checkUserQuotaOrThrow (video: MVideoFullLight, payload: VideoEditionPayload) {
+  const user = await UserModel.loadByVideoId(video.id)
+
+  const filePathFinder = (i: number) => (payload.tasks[i] as VideoEditorTaskIntroPayload | VideoEditorTaskOutroPayload).options.file
+
+  const additionalBytes = await approximateIntroOutroAdditionalSize(video, payload.tasks, filePathFinder)
+  if (await isAbleToUploadVideo(user.id, additionalBytes) === false) {
+    throw new Error('Quota exceeded for this user to edit the video')
+  }
+}
diff --git a/server/lib/job-queue/handlers/video-file-import.ts b/server/lib/job-queue/handlers/video-file-import.ts
index 0d9e80cb8..6b2d60317 100644
--- a/server/lib/job-queue/handlers/video-file-import.ts
+++ b/server/lib/job-queue/handlers/video-file-import.ts
@@ -1,18 +1,18 @@
 import { Job } from 'bull'
 import { copy, stat } from 'fs-extra'
-import { getLowercaseExtension } from '@shared/core-utils'
 import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
 import { CONFIG } from '@server/initializers/config'
 import { federateVideoIfNeeded } from '@server/lib/activitypub/videos'
 import { generateWebTorrentVideoFilename } from '@server/lib/paths'
 import { addMoveToObjectStorageJob } from '@server/lib/video'
 import { VideoPathManager } from '@server/lib/video-path-manager'
+import { VideoModel } from '@server/models/video/video'
+import { VideoFileModel } from '@server/models/video/video-file'
 import { MVideoFullLight } from '@server/types/models'
+import { getLowercaseExtension } from '@shared/core-utils'
 import { VideoFileImportPayload, VideoStorage } from '@shared/models'
-import { getVideoFileFPS, getVideoFileResolution } from '../../../helpers/ffprobe-utils'
+import { getVideoStreamFPS, getVideoStreamDimensionsInfo } from '../../../helpers/ffmpeg'
 import { logger } from '../../../helpers/logger'
-import { VideoModel } from '../../../models/video/video'
-import { VideoFileModel } from '../../../models/video/video-file'
 
 async function processVideoFileImport (job: Job) {
   const payload = job.data as VideoFileImportPayload
@@ -45,9 +45,9 @@ export {
 // ---------------------------------------------------------------------------
 
 async function updateVideoFile (video: MVideoFullLight, inputFilePath: string) {
-  const { resolution } = await getVideoFileResolution(inputFilePath)
+  const { resolution } = await getVideoStreamDimensionsInfo(inputFilePath)
   const { size } = await stat(inputFilePath)
-  const fps = await getVideoFileFPS(inputFilePath)
+  const fps = await getVideoStreamFPS(inputFilePath)
 
   const fileExt = getLowercaseExtension(inputFilePath)
 
diff --git a/server/lib/job-queue/handlers/video-import.ts b/server/lib/job-queue/handlers/video-import.ts
index b6e05d8f5..b3ca28c2f 100644
--- a/server/lib/job-queue/handlers/video-import.ts
+++ b/server/lib/job-queue/handlers/video-import.ts
@@ -25,7 +25,7 @@ import {
   VideoResolution,
   VideoState
 } from '@shared/models'
-import { ffprobePromise, getDurationFromVideoFile, getVideoFileFPS, getVideoFileResolution } from '../../../helpers/ffprobe-utils'
+import { ffprobePromise, getVideoStreamDuration, getVideoStreamFPS, getVideoStreamDimensionsInfo } from '../../../helpers/ffmpeg'
 import { logger } from '../../../helpers/logger'
 import { getSecureTorrentName } from '../../../helpers/utils'
 import { createTorrentAndSetInfoHash, downloadWebTorrentVideo } from '../../../helpers/webtorrent'
@@ -121,10 +121,10 @@ async function processFile (downloader: () => Promise<string>, videoImport: MVid
 
     const { resolution } = await isAudioFile(tempVideoPath, probe)
       ? { resolution: VideoResolution.H_NOVIDEO }
-      : await getVideoFileResolution(tempVideoPath)
+      : await getVideoStreamDimensionsInfo(tempVideoPath)
 
-    const fps = await getVideoFileFPS(tempVideoPath, probe)
-    const duration = await getDurationFromVideoFile(tempVideoPath, probe)
+    const fps = await getVideoStreamFPS(tempVideoPath, probe)
+    const duration = await getVideoStreamDuration(tempVideoPath, probe)
 
     // Prepare video file object for creation in database
     const fileExt = getLowercaseExtension(tempVideoPath)
diff --git a/server/lib/job-queue/handlers/video-live-ending.ts b/server/lib/job-queue/handlers/video-live-ending.ts
index a04cfa2c9..497f6612a 100644
--- a/server/lib/job-queue/handlers/video-live-ending.ts
+++ b/server/lib/job-queue/handlers/video-live-ending.ts
@@ -1,12 +1,12 @@
 import { Job } from 'bull'
 import { pathExists, readdir, remove } from 'fs-extra'
 import { join } from 'path'
-import { ffprobePromise, getAudioStream, getDurationFromVideoFile, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
+import { ffprobePromise, getAudioStream, getVideoStreamDuration, getVideoStreamDimensionsInfo } from '@server/helpers/ffmpeg'
 import { VIDEO_LIVE } from '@server/initializers/constants'
 import { buildConcatenatedName, cleanupLive, LiveSegmentShaStore } from '@server/lib/live'
 import { generateHLSMasterPlaylistFilename, generateHlsSha256SegmentsFilename, getLiveDirectory } from '@server/lib/paths'
 import { generateVideoMiniature } from '@server/lib/thumbnail'
-import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/video-transcoding'
+import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/transcoding'
 import { VideoPathManager } from '@server/lib/video-path-manager'
 import { moveToNextState } from '@server/lib/video-state'
 import { VideoModel } from '@server/models/video/video'
@@ -96,7 +96,7 @@ async function saveLive (video: MVideo, live: MVideoLive, streamingPlaylist: MSt
     const probe = await ffprobePromise(concatenatedTsFilePath)
     const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
 
-    const { resolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath, probe)
+    const { resolution, isPortraitMode } = await getVideoStreamDimensionsInfo(concatenatedTsFilePath, probe)
 
     const { resolutionPlaylistPath: outputPath } = await generateHlsPlaylistResolutionFromTS({
       video: videoWithFiles,
@@ -107,7 +107,7 @@ async function saveLive (video: MVideo, live: MVideoLive, streamingPlaylist: MSt
     })
 
     if (!durationDone) {
-      videoWithFiles.duration = await getDurationFromVideoFile(outputPath)
+      videoWithFiles.duration = await getVideoStreamDuration(outputPath)
       await videoWithFiles.save()
 
       durationDone = true
diff --git a/server/lib/job-queue/handlers/video-transcoding.ts b/server/lib/job-queue/handlers/video-transcoding.ts
index 5540b791d..512979734 100644
--- a/server/lib/job-queue/handlers/video-transcoding.ts
+++ b/server/lib/job-queue/handlers/video-transcoding.ts
@@ -1,5 +1,5 @@
 import { Job } from 'bull'
-import { TranscodeOptionsType } from '@server/helpers/ffmpeg-utils'
+import { TranscodeVODOptionsType } from '@server/helpers/ffmpeg'
 import { addTranscodingJob, getTranscodingJobPriority } from '@server/lib/video'
 import { VideoPathManager } from '@server/lib/video-path-manager'
 import { moveToFailedTranscodingState, moveToNextState } from '@server/lib/video-state'
@@ -16,7 +16,7 @@ import {
   VideoTranscodingPayload
 } from '@shared/models'
 import { retryTransactionWrapper } from '../../../helpers/database-utils'
-import { computeLowerResolutionsToTranscode } from '../../../helpers/ffprobe-utils'
+import { computeLowerResolutionsToTranscode } from '../../../helpers/ffmpeg'
 import { logger, loggerTagsFactory } from '../../../helpers/logger'
 import { CONFIG } from '../../../initializers/config'
 import { VideoModel } from '../../../models/video/video'
@@ -25,7 +25,7 @@ import {
   mergeAudioVideofile,
   optimizeOriginalVideofile,
   transcodeNewWebTorrentResolution
-} from '../../transcoding/video-transcoding'
+} from '../../transcoding/transcoding'
 
 type HandlerFunction = (job: Job, payload: VideoTranscodingPayload, video: MVideoFullLight, user: MUser) => Promise<void>
 
@@ -174,10 +174,10 @@ async function onHlsPlaylistGeneration (video: MVideoFullLight, user: MUser, pay
 async function onVideoFirstWebTorrentTranscoding (
   videoArg: MVideoWithFile,
   payload: OptimizeTranscodingPayload | MergeAudioTranscodingPayload,
-  transcodeType: TranscodeOptionsType,
+  transcodeType: TranscodeVODOptionsType,
   user: MUserId
 ) {
-  const { resolution, isPortraitMode, audioStream } = await videoArg.getMaxQualityFileInfo()
+  const { resolution, isPortraitMode, audioStream } = await videoArg.probeMaxQualityFile()
 
   // Maybe the video changed in database, refresh it
   const videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoArg.uuid)
diff --git a/server/lib/job-queue/job-queue.ts b/server/lib/job-queue/job-queue.ts
index 22bd1f5d2..e10a3bab5 100644
--- a/server/lib/job-queue/job-queue.ts
+++ b/server/lib/job-queue/job-queue.ts
@@ -14,6 +14,7 @@ import {
   JobType,
   MoveObjectStoragePayload,
   RefreshPayload,
+  VideoEditionPayload,
   VideoFileImportPayload,
   VideoImportPayload,
   VideoLiveEndingPayload,
@@ -31,6 +32,7 @@ import { refreshAPObject } from './handlers/activitypub-refresher'
 import { processActorKeys } from './handlers/actor-keys'
 import { processEmail } from './handlers/email'
 import { processMoveToObjectStorage } from './handlers/move-to-object-storage'
+import { processVideoEdition } from './handlers/video-edition'
 import { processVideoFileImport } from './handlers/video-file-import'
 import { processVideoImport } from './handlers/video-import'
 import { processVideoLiveEnding } from './handlers/video-live-ending'
@@ -53,6 +55,7 @@ type CreateJobArgument =
   { type: 'actor-keys', payload: ActorKeysPayload } |
   { type: 'video-redundancy', payload: VideoRedundancyPayload } |
   { type: 'delete-resumable-upload-meta-file', payload: DeleteResumableUploadMetaFilePayload } |
+  { type: 'video-edition', payload: VideoEditionPayload } |
   { type: 'move-to-object-storage', payload: MoveObjectStoragePayload }
 
 export type CreateJobOptions = {
@@ -75,7 +78,8 @@ const handlers: { [id in JobType]: (job: Job) => Promise<any> } = {
   'video-live-ending': processVideoLiveEnding,
   'actor-keys': processActorKeys,
   'video-redundancy': processVideoRedundancy,
-  'move-to-object-storage': processMoveToObjectStorage
+  'move-to-object-storage': processMoveToObjectStorage,
+  'video-edition': processVideoEdition
 }
 
 const jobTypes: JobType[] = [
@@ -93,7 +97,8 @@ const jobTypes: JobType[] = [
   'video-redundancy',
   'actor-keys',
   'video-live-ending',
-  'move-to-object-storage'
+  'move-to-object-storage',
+  'video-edition'
 ]
 
 class JobQueue {
diff --git a/server/lib/live/live-manager.ts b/server/lib/live/live-manager.ts
index 33e49acc1..21c34a9a4 100644
--- a/server/lib/live/live-manager.ts
+++ b/server/lib/live/live-manager.ts
@@ -5,10 +5,10 @@ import { createServer as createServerTLS, Server as ServerTLS } from 'tls'
 import {
   computeLowerResolutionsToTranscode,
   ffprobePromise,
-  getVideoFileBitrate,
-  getVideoFileFPS,
-  getVideoFileResolution
-} from '@server/helpers/ffprobe-utils'
+  getVideoStreamBitrate,
+  getVideoStreamFPS,
+  getVideoStreamDimensionsInfo
+} from '@server/helpers/ffmpeg'
 import { logger, loggerTagsFactory } from '@server/helpers/logger'
 import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config'
 import { P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE } from '@server/initializers/constants'
@@ -226,9 +226,9 @@ class LiveManager {
     const probe = await ffprobePromise(inputUrl)
 
     const [ { resolution, ratio }, fps, bitrate ] = await Promise.all([
-      getVideoFileResolution(inputUrl, probe),
-      getVideoFileFPS(inputUrl, probe),
-      getVideoFileBitrate(inputUrl, probe)
+      getVideoStreamDimensionsInfo(inputUrl, probe),
+      getVideoStreamFPS(inputUrl, probe),
+      getVideoStreamBitrate(inputUrl, probe)
     ])
 
     logger.info(
diff --git a/server/lib/live/shared/muxing-session.ts b/server/lib/live/shared/muxing-session.ts
index 22a47942a..f5f473039 100644
--- a/server/lib/live/shared/muxing-session.ts
+++ b/server/lib/live/shared/muxing-session.ts
@@ -5,14 +5,14 @@ import { FfmpegCommand } from 'fluent-ffmpeg'
 import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
 import { basename, join } from 'path'
 import { EventEmitter } from 'stream'
-import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils'
+import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg'
 import { logger, loggerTagsFactory, LoggerTagsFn } from '@server/helpers/logger'
 import { CONFIG } from '@server/initializers/config'
 import { MEMOIZE_TTL, VIDEO_LIVE } from '@server/initializers/constants'
 import { VideoFileModel } from '@server/models/video/video-file'
 import { MStreamingPlaylistVideo, MUserId, MVideoLiveVideo } from '@server/types/models'
 import { getLiveDirectory } from '../../paths'
-import { VideoTranscodingProfilesManager } from '../../transcoding/video-transcoding-profiles'
+import { VideoTranscodingProfilesManager } from '../../transcoding/default-transcoding-profiles'
 import { isAbleToUploadVideo } from '../../user'
 import { LiveQuotaStore } from '../live-quota-store'
 import { LiveSegmentShaStore } from '../live-segment-sha-store'
diff --git a/server/lib/plugins/plugin-helpers-builder.ts b/server/lib/plugins/plugin-helpers-builder.ts
index 78e4a28ad..897271c0b 100644
--- a/server/lib/plugins/plugin-helpers-builder.ts
+++ b/server/lib/plugins/plugin-helpers-builder.ts
@@ -1,6 +1,6 @@
 import express from 'express'
 import { join } from 'path'
-import { ffprobePromise } from '@server/helpers/ffprobe-utils'
+import { ffprobePromise } from '@server/helpers/ffmpeg/ffprobe-utils'
 import { buildLogger } from '@server/helpers/logger'
 import { CONFIG } from '@server/initializers/config'
 import { WEBSERVER } from '@server/initializers/constants'
diff --git a/server/lib/plugins/register-helpers.ts b/server/lib/plugins/register-helpers.ts
index d1756040a..f4d405676 100644
--- a/server/lib/plugins/register-helpers.ts
+++ b/server/lib/plugins/register-helpers.ts
@@ -21,7 +21,7 @@ import {
   VideoPlaylistPrivacy,
   VideoPrivacy
 } from '@shared/models'
-import { VideoTranscodingProfilesManager } from '../transcoding/video-transcoding-profiles'
+import { VideoTranscodingProfilesManager } from '../transcoding/default-transcoding-profiles'
 import { buildPluginHelpers } from './plugin-helpers-builder'
 
 export class RegisterHelpers {
diff --git a/server/lib/server-config-manager.ts b/server/lib/server-config-manager.ts
index d97f21eb7..38512f384 100644
--- a/server/lib/server-config-manager.ts
+++ b/server/lib/server-config-manager.ts
@@ -8,7 +8,7 @@ import { HTMLServerConfig, RegisteredExternalAuthConfig, RegisteredIdAndPassAuth
 import { Hooks } from './plugins/hooks'
 import { PluginManager } from './plugins/plugin-manager'
 import { getThemeOrDefault } from './plugins/theme-utils'
-import { VideoTranscodingProfilesManager } from './transcoding/video-transcoding-profiles'
+import { VideoTranscodingProfilesManager } from './transcoding/default-transcoding-profiles'
 
 /**
  *
@@ -151,6 +151,9 @@ class ServerConfigManager {
           port: CONFIG.LIVE.RTMP.PORT
         }
       },
+      videoEditor: {
+        enabled: CONFIG.VIDEO_EDITOR.ENABLED
+      },
       import: {
         videos: {
           http: {
diff --git a/server/lib/thumbnail.ts b/server/lib/thumbnail.ts
index 36270e5c1..aa2d7a813 100644
--- a/server/lib/thumbnail.ts
+++ b/server/lib/thumbnail.ts
@@ -1,7 +1,6 @@
 import { join } from 'path'
-import { ThumbnailType } from '../../shared/models/videos/thumbnail.type'
-import { generateImageFromVideoFile } from '../helpers/ffmpeg-utils'
-import { generateImageFilename, processImage } from '../helpers/image-utils'
+import { ThumbnailType } from '@shared/models'
+import { generateImageFilename, generateImageFromVideoFile, processImage } from '../helpers/image-utils'
 import { downloadImage } from '../helpers/requests'
 import { CONFIG } from '../initializers/config'
 import { ASSETS_PATH, PREVIEWS_SIZE, THUMBNAILS_SIZE } from '../initializers/constants'
diff --git a/server/lib/transcoding/video-transcoding-profiles.ts b/server/lib/transcoding/default-transcoding-profiles.ts
index dcc8d4c5c..ba98a11ca 100644
--- a/server/lib/transcoding/video-transcoding-profiles.ts
+++ b/server/lib/transcoding/default-transcoding-profiles.ts
@@ -2,8 +2,14 @@
 import { logger } from '@server/helpers/logger'
 import { getAverageBitrate, getMinLimitBitrate } from '@shared/core-utils'
 import { AvailableEncoders, EncoderOptionsBuilder, EncoderOptionsBuilderParams, VideoResolution } from '../../../shared/models/videos'
-import { buildStreamSuffix, resetSupportedEncoders } from '../../helpers/ffmpeg-utils'
-import { canDoQuickAudioTranscode, ffprobePromise, getAudioStream, getMaxAudioBitrate } from '../../helpers/ffprobe-utils'
+import {
+  buildStreamSuffix,
+  canDoQuickAudioTranscode,
+  ffprobePromise,
+  getAudioStream,
+  getMaxAudioBitrate,
+  resetSupportedEncoders
+} from '../../helpers/ffmpeg'
 
 /**
  *
@@ -15,8 +21,14 @@ import { canDoQuickAudioTranscode, ffprobePromise, getAudioStream, getMaxAudioBi
  *  * https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
  */
 
+// ---------------------------------------------------------------------------
+// Default builders
+// ---------------------------------------------------------------------------
+
 const defaultX264VODOptionsBuilder: EncoderOptionsBuilder = (options: EncoderOptionsBuilderParams) => {
   const { fps, inputRatio, inputBitrate, resolution } = options
+
+  // TODO: remove in 4.2, fps is not optional anymore
   if (!fps) return { outputOptions: [ ] }
 
   const targetBitrate = getTargetBitrate({ inputBitrate, ratio: inputRatio, fps, resolution })
@@ -45,10 +57,10 @@ const defaultX264LiveOptionsBuilder: EncoderOptionsBuilder = (options: EncoderOp
   }
 }
 
-const defaultAACOptionsBuilder: EncoderOptionsBuilder = async ({ input, streamNum }) => {
+const defaultAACOptionsBuilder: EncoderOptionsBuilder = async ({ input, streamNum, canCopyAudio }) => {
   const probe = await ffprobePromise(input)
 
-  if (await canDoQuickAudioTranscode(input, probe)) {
+  if (canCopyAudio && await canDoQuickAudioTranscode(input, probe)) {
     logger.debug('Copy audio stream %s by AAC encoder.', input)
     return { copy: true, outputOptions: [ ] }
   }
@@ -75,7 +87,10 @@ const defaultLibFDKAACVODOptionsBuilder: EncoderOptionsBuilder = ({ streamNum })
   return { outputOptions: [ buildStreamSuffix('-q:a', streamNum), '5' ] }
 }
 
-// Used to get and update available encoders
+// ---------------------------------------------------------------------------
+// Profile manager to get and change default profiles
+// ---------------------------------------------------------------------------
+
 class VideoTranscodingProfilesManager {
   private static instance: VideoTranscodingProfilesManager
 
diff --git a/server/lib/transcoding/video-transcoding.ts b/server/lib/transcoding/transcoding.ts
index 9942a067b..d55364e25 100644
--- a/server/lib/transcoding/video-transcoding.ts
+++ b/server/lib/transcoding/transcoding.ts
@@ -6,8 +6,15 @@ import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
 import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoFullLight } from '@server/types/models'
 import { VideoResolution, VideoStorage } from '../../../shared/models/videos'
 import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
-import { transcode, TranscodeOptions, TranscodeOptionsType } from '../../helpers/ffmpeg-utils'
-import { canDoQuickTranscode, getDurationFromVideoFile, getMetadataFromFile, getVideoFileFPS } from '../../helpers/ffprobe-utils'
+import {
+  canDoQuickTranscode,
+  getVideoStreamDuration,
+  buildFileMetadata,
+  getVideoStreamFPS,
+  transcodeVOD,
+  TranscodeVODOptions,
+  TranscodeVODOptionsType
+} from '../../helpers/ffmpeg'
 import { CONFIG } from '../../initializers/config'
 import { P2P_MEDIA_LOADER_PEER_VERSION } from '../../initializers/constants'
 import { VideoFileModel } from '../../models/video/video-file'
@@ -21,7 +28,7 @@ import {
   getHlsResolutionPlaylistFilename
 } from '../paths'
 import { VideoPathManager } from '../video-path-manager'
-import { VideoTranscodingProfilesManager } from './video-transcoding-profiles'
+import { VideoTranscodingProfilesManager } from './default-transcoding-profiles'
 
 /**
  *
@@ -38,13 +45,13 @@ function optimizeOriginalVideofile (video: MVideoFullLight, inputVideoFile: MVid
   return VideoPathManager.Instance.makeAvailableVideoFile(inputVideoFile.withVideoOrPlaylist(video), async videoInputPath => {
     const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
 
-    const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath)
+    const transcodeType: TranscodeVODOptionsType = await canDoQuickTranscode(videoInputPath)
       ? 'quick-transcode'
       : 'video'
 
     const resolution = toEven(inputVideoFile.resolution)
 
-    const transcodeOptions: TranscodeOptions = {
+    const transcodeOptions: TranscodeVODOptions = {
       type: transcodeType,
 
       inputPath: videoInputPath,
@@ -59,7 +66,7 @@ function optimizeOriginalVideofile (video: MVideoFullLight, inputVideoFile: MVid
     }
 
     // Could be very long!
-    await transcode(transcodeOptions)
+    await transcodeVOD(transcodeOptions)
 
     // Important to do this before getVideoFilename() to take in account the new filename
     inputVideoFile.extname = newExtname
@@ -121,7 +128,7 @@ function transcodeNewWebTorrentResolution (video: MVideoFullLight, resolution: V
         job
       }
 
-    await transcode(transcodeOptions)
+    await transcodeVOD(transcodeOptions)
 
     return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath)
   })
@@ -158,7 +165,7 @@ function mergeAudioVideofile (video: MVideoFullLight, resolution: VideoResolutio
     }
 
     try {
-      await transcode(transcodeOptions)
+      await transcodeVOD(transcodeOptions)
 
       await remove(audioInputPath)
       await remove(tmpPreviewPath)
@@ -175,7 +182,7 @@ function mergeAudioVideofile (video: MVideoFullLight, resolution: VideoResolutio
     const videoOutputPath = VideoPathManager.Instance.getFSVideoFileOutputPath(video, inputVideoFile)
     // ffmpeg generated a new video file, so update the video duration
     // See https://trac.ffmpeg.org/ticket/5456
-    video.duration = await getDurationFromVideoFile(videoTranscodedPath)
+    video.duration = await getVideoStreamDuration(videoTranscodedPath)
     await video.save()
 
     return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
@@ -239,8 +246,8 @@ async function onWebTorrentVideoFileTranscoding (
   outputPath: string
 ) {
   const stats = await stat(transcodingPath)
-  const fps = await getVideoFileFPS(transcodingPath)
-  const metadata = await getMetadataFromFile(transcodingPath)
+  const fps = await getVideoStreamFPS(transcodingPath)
+  const metadata = await buildFileMetadata(transcodingPath)
 
   await move(transcodingPath, outputPath, { overwrite: true })
 
@@ -299,7 +306,7 @@ async function generateHlsPlaylistCommon (options: {
     job
   }
 
-  await transcode(transcodeOptions)
+  await transcodeVOD(transcodeOptions)
 
   // Create or update the playlist
   const playlist = await VideoStreamingPlaylistModel.loadOrGenerate(video)
@@ -344,8 +351,8 @@ async function generateHlsPlaylistCommon (options: {
   const stats = await stat(videoFilePath)
 
   newVideoFile.size = stats.size
-  newVideoFile.fps = await getVideoFileFPS(videoFilePath)
-  newVideoFile.metadata = await getMetadataFromFile(videoFilePath)
+  newVideoFile.fps = await getVideoStreamFPS(videoFilePath)
+  newVideoFile.metadata = await buildFileMetadata(videoFilePath)
 
   await createTorrentAndSetInfoHash(playlist, newVideoFile)
 
diff --git a/server/lib/user.ts b/server/lib/user.ts
index 0d292ac90..3f7499296 100644
--- a/server/lib/user.ts
+++ b/server/lib/user.ts
@@ -19,6 +19,7 @@ import { buildActorInstance } from './local-actor'
 import { Redis } from './redis'
 import { createLocalVideoChannel } from './video-channel'
 import { createWatchLaterPlaylist } from './video-playlist'
+import { logger } from '@server/helpers/logger'
 
 type ChannelNames = { name: string, displayName: string }
 
@@ -159,6 +160,11 @@ async function isAbleToUploadVideo (userId: number, newVideoSize: number) {
   const uploadedTotal = newVideoSize + totalBytes
   const uploadedDaily = newVideoSize + totalBytesDaily
 
+  logger.debug(
+    'Check user %d quota to upload another video.', userId,
+    { totalBytes, totalBytesDaily, videoQuota: user.videoQuota, videoQuotaDaily: user.videoQuotaDaily, newVideoSize }
+  )
+
   if (user.videoQuotaDaily === -1) return uploadedTotal < user.videoQuota
   if (user.videoQuota === -1) return uploadedDaily < user.videoQuotaDaily
 
diff --git a/server/lib/video-editor.ts b/server/lib/video-editor.ts
new file mode 100644
index 000000000..99b0bd949
--- /dev/null
+++ b/server/lib/video-editor.ts
@@ -0,0 +1,32 @@
+import { MVideoFullLight } from "@server/types/models"
+import { getVideoStreamDuration } from "@shared/extra-utils"
+import { VideoEditorTask } from "@shared/models"
+
+function buildTaskFileFieldname (indice: number, fieldName = 'file') {
+  return `tasks[${indice}][options][${fieldName}]`
+}
+
+function getTaskFile (files: Express.Multer.File[], indice: number, fieldName = 'file') {
+  return files.find(f => f.fieldname === buildTaskFileFieldname(indice, fieldName))
+}
+
+async function approximateIntroOutroAdditionalSize (video: MVideoFullLight, tasks: VideoEditorTask[], fileFinder: (i: number) => string) {
+  let additionalDuration = 0
+
+  for (let i = 0; i < tasks.length; i++) {
+    const task = tasks[i]
+
+    if (task.name !== 'add-intro' && task.name !== 'add-outro') continue
+
+    const filePath = fileFinder(i)
+    additionalDuration += await getVideoStreamDuration(filePath)
+  }
+
+  return (video.getMaxQualityFile().size / video.duration) * additionalDuration
+}
+
+export {
+  approximateIntroOutroAdditionalSize,
+  buildTaskFileFieldname,
+  getTaskFile
+}
diff --git a/server/lib/video.ts b/server/lib/video.ts
index 2690f953d..ec4256c1a 100644
--- a/server/lib/video.ts
+++ b/server/lib/video.ts
@@ -81,7 +81,7 @@ async function setVideoTags (options: {
   video.Tags = tagInstances
 }
 
-async function addOptimizeOrMergeAudioJob (video: MVideoUUID, videoFile: MVideoFile, user: MUserId) {
+async function addOptimizeOrMergeAudioJob (video: MVideoUUID, videoFile: MVideoFile, user: MUserId, isNewVideo = true) {
   let dataInput: VideoTranscodingPayload
 
   if (videoFile.isAudio()) {
@@ -90,13 +90,13 @@ async function addOptimizeOrMergeAudioJob (video: MVideoUUID, videoFile: MVideoF
       resolution: DEFAULT_AUDIO_RESOLUTION,
       videoUUID: video.uuid,
       createHLSIfNeeded: true,
-      isNewVideo: true
+      isNewVideo
     }
   } else {
     dataInput = {
       type: 'optimize-to-webtorrent',
       videoUUID: video.uuid,
-      isNewVideo: true
+      isNewVideo
     }
   }