11 files changed, 314 insertions, 161 deletions

diff --git a/server/lib/activitypub/videos.ts b/server/lib/activitypub/videos.ts
index c318978fd..d80173e03 100644
--- a/server/lib/activitypub/videos.ts
+++ b/server/lib/activitypub/videos.ts
@@ -3,8 +3,10 @@ import * as sequelize from 'sequelize'
 import * as magnetUtil from 'magnet-uri'
 import * as request from 'request'
 import {
+  ActivityHashTagObject,
+  ActivityMagnetUrlObject,
   ActivityPlaylistSegmentHashesObject,
-  ActivityPlaylistUrlObject,
+  ActivityPlaylistUrlObject, ActivityTagObject,
   ActivityUrlObject,
   ActivityVideoUrlObject,
   VideoState
@@ -13,7 +15,7 @@ import { VideoTorrentObject } from '../../../shared/models/activitypub/objects'
 import { VideoPrivacy } from '../../../shared/models/videos'
 import { sanitizeAndCheckVideoTorrentObject } from '../../helpers/custom-validators/activitypub/videos'
 import { isVideoFileInfoHashValid } from '../../helpers/custom-validators/videos'
-import { resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils'
+import { deleteNonExistingModels, resetSequelizeInstance, retryTransactionWrapper } from '../../helpers/database-utils'
 import { logger } from '../../helpers/logger'
 import { doRequest, doRequestAndSaveToFile } from '../../helpers/requests'
 import {
@@ -57,6 +59,7 @@ import {
   MChannelAccountLight,
   MChannelDefault,
   MChannelId,
+  MStreamingPlaylist,
   MVideo,
   MVideoAccountLight,
   MVideoAccountLightBlacklistAllFiles,
@@ -330,21 +333,15 @@ async function updateVideoFromAP (options: {
       await videoUpdated.addAndSaveThumbnail(previewModel, t)
 
       {
-        const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoUpdated, videoObject)
+        const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoUpdated, videoObject.url)
         const newVideoFiles = videoFileAttributes.map(a => new VideoFileModel(a))
 
         // Remove video files that do not exist anymore
-        const destroyTasks = videoUpdated.VideoFiles
-                                  .filter(f => !newVideoFiles.find(newFile => newFile.hasSameUniqueKeysThan(f)))
-                                  .map(f => f.destroy(sequelizeOptions))
+        const destroyTasks = deleteNonExistingModels(videoUpdated.VideoFiles, newVideoFiles, t)
         await Promise.all(destroyTasks)
 
         // Update or add other one
-        const upsertTasks = videoFileAttributes.map(a => {
-          return VideoFileModel.upsert<VideoFileModel>(a, { returning: true, transaction: t })
-            .then(([ file ]) => file)
-        })
-
+        const upsertTasks = newVideoFiles.map(f => VideoFileModel.customUpsert(f, 'video', t))
         videoUpdated.VideoFiles = await Promise.all(upsertTasks)
       }
 
@@ -352,24 +349,39 @@ async function updateVideoFromAP (options: {
         const streamingPlaylistAttributes = streamingPlaylistActivityUrlToDBAttributes(videoUpdated, videoObject, videoUpdated.VideoFiles)
         const newStreamingPlaylists = streamingPlaylistAttributes.map(a => new VideoStreamingPlaylistModel(a))
 
-        // Remove video files that do not exist anymore
-        const destroyTasks = videoUpdated.VideoStreamingPlaylists
-                                  .filter(f => !newStreamingPlaylists.find(newPlaylist => newPlaylist.hasSameUniqueKeysThan(f)))
-                                  .map(f => f.destroy(sequelizeOptions))
+        // Remove video playlists that do not exist anymore
+        const destroyTasks = deleteNonExistingModels(videoUpdated.VideoStreamingPlaylists, newStreamingPlaylists, t)
         await Promise.all(destroyTasks)
 
-        // Update or add other one
-        const upsertTasks = streamingPlaylistAttributes.map(a => {
-          return VideoStreamingPlaylistModel.upsert<VideoStreamingPlaylistModel>(a, { returning: true, transaction: t })
-                               .then(([ streamingPlaylist ]) => streamingPlaylist)
-        })
+        let oldStreamingPlaylistFiles: MVideoFile[] = []
+        for (const videoStreamingPlaylist of videoUpdated.VideoStreamingPlaylists) {
+          oldStreamingPlaylistFiles = oldStreamingPlaylistFiles.concat(videoStreamingPlaylist.VideoFiles)
+        }
+
+        videoUpdated.VideoStreamingPlaylists = []
+
+        for (const playlistAttributes of streamingPlaylistAttributes) {
+          const streamingPlaylistModel = await VideoStreamingPlaylistModel.upsert(playlistAttributes, { returning: true, transaction: t })
+                                     .then(([ streamingPlaylist ]) => streamingPlaylist)
 
-        videoUpdated.VideoStreamingPlaylists = await Promise.all(upsertTasks)
+          const newVideoFiles: MVideoFile[] = videoFileActivityUrlToDBAttributes(streamingPlaylistModel, playlistAttributes.tagAPObject)
+            .map(a => new VideoFileModel(a))
+          const destroyTasks = deleteNonExistingModels(oldStreamingPlaylistFiles, newVideoFiles, t)
+          await Promise.all(destroyTasks)
+
+          // Update or add other one
+          const upsertTasks = newVideoFiles.map(f => VideoFileModel.customUpsert(f, 'streaming-playlist', t))
+          streamingPlaylistModel.VideoFiles = await Promise.all(upsertTasks)
+
+          videoUpdated.VideoStreamingPlaylists.push(streamingPlaylistModel)
+        }
       }
 
       {
         // Update Tags
-        const tags = videoObject.tag.map(tag => tag.name)
+        const tags = videoObject.tag
+                                .filter(isAPHashTagObject)
+                                .map(tag => tag.name)
         const tagInstances = await TagModel.findOrCreateTags(tags, t)
         await videoUpdated.$set('Tags', tagInstances, sequelizeOptions)
       }
@@ -478,23 +490,27 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function isAPVideoUrlObject (url: ActivityUrlObject): url is ActivityVideoUrlObject {
+function isAPVideoUrlObject (url: any): url is ActivityVideoUrlObject {
   const mimeTypes = Object.keys(MIMETYPES.VIDEO.MIMETYPE_EXT)
 
-  const urlMediaType = url.mediaType || url.mimeType
+  const urlMediaType = url.mediaType
   return mimeTypes.indexOf(urlMediaType) !== -1 && urlMediaType.startsWith('video/')
 }
 
 function isAPStreamingPlaylistUrlObject (url: ActivityUrlObject): url is ActivityPlaylistUrlObject {
-  const urlMediaType = url.mediaType || url.mimeType
-
-  return urlMediaType === 'application/x-mpegURL'
+  return url && url.mediaType === 'application/x-mpegURL'
 }
 
 function isAPPlaylistSegmentHashesUrlObject (tag: any): tag is ActivityPlaylistSegmentHashesObject {
-  const urlMediaType = tag.mediaType || tag.mimeType
+  return tag && tag.name === 'sha256' && tag.type === 'Link' && tag.mediaType === 'application/json'
+}
+
+function isAPMagnetUrlObject (url: any): url is ActivityMagnetUrlObject {
+  return url && url.mediaType === 'application/x-bittorrent;x-scheme-handler/magnet'
+}
 
-  return tag.name === 'sha256' && tag.type === 'Link' && urlMediaType === 'application/json'
+function isAPHashTagObject (url: any): url is ActivityHashTagObject {
+  return url && url.type === 'Hashtag'
 }
 
 async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAccountLight, waitThumbnail = false) {
@@ -524,21 +540,27 @@ async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAc
     if (thumbnailModel) await videoCreated.addAndSaveThumbnail(previewModel, t)
 
     // Process files
-    const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject)
-    if (videoFileAttributes.length === 0) {
-      throw new Error('Cannot find valid files for video %s ' + videoObject.url)
-    }
+    const videoFileAttributes = videoFileActivityUrlToDBAttributes(videoCreated, videoObject.url)
 
     const videoFilePromises = videoFileAttributes.map(f => VideoFileModel.create(f, { transaction: t }))
     const videoFiles = await Promise.all(videoFilePromises)
 
-    const videoStreamingPlaylists = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
-    const playlistPromises = videoStreamingPlaylists.map(p => VideoStreamingPlaylistModel.create(p, { transaction: t }))
-    const streamingPlaylists = await Promise.all(playlistPromises)
+    const streamingPlaylistsAttributes = streamingPlaylistActivityUrlToDBAttributes(videoCreated, videoObject, videoFiles)
+    videoCreated.VideoStreamingPlaylists = []
+
+    for (const playlistAttributes of streamingPlaylistsAttributes) {
+      const playlistModel = await VideoStreamingPlaylistModel.create(playlistAttributes, { transaction: t })
+
+      const playlistFiles = videoFileActivityUrlToDBAttributes(playlistModel, playlistAttributes.tagAPObject)
+      const videoFilePromises = playlistFiles.map(f => VideoFileModel.create(f, { transaction: t }))
+      playlistModel.VideoFiles = await Promise.all(videoFilePromises)
+
+      videoCreated.VideoStreamingPlaylists.push(playlistModel)
+    }
 
     // Process tags
     const tags = videoObject.tag
-                            .filter(t => t.type === 'Hashtag')
+                            .filter(isAPHashTagObject)
                             .map(t => t.name)
     const tagInstances = await TagModel.findOrCreateTags(tags, t)
     await videoCreated.$set('Tags', tagInstances, sequelizeOptions)
@@ -550,7 +572,6 @@ async function createVideo (videoObject: VideoTorrentObject, channel: MChannelAc
     await Promise.all(videoCaptionsPromises)
 
     videoCreated.VideoFiles = videoFiles
-    videoCreated.VideoStreamingPlaylists = streamingPlaylists
     videoCreated.Tags = tagInstances
 
     const autoBlacklisted = await autoBlacklistVideoIfNeeded({
@@ -628,20 +649,19 @@ async function videoActivityObjectToDBAttributes (videoChannel: MChannelId, vide
   }
 }
 
-function videoFileActivityUrlToDBAttributes (video: MVideo, videoObject: VideoTorrentObject) {
-  const fileUrls = videoObject.url.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
+function videoFileActivityUrlToDBAttributes (
+  videoOrPlaylist: MVideo | MStreamingPlaylist,
+  urls: (ActivityTagObject | ActivityUrlObject)[]
+) {
+  const fileUrls = urls.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
 
-  if (fileUrls.length === 0) {
-    throw new Error('Cannot find video files for ' + video.url)
-  }
+  if (fileUrls.length === 0) return []
 
   const attributes: FilteredModelAttributes<VideoFileModel>[] = []
   for (const fileUrl of fileUrls) {
     // Fetch associated magnet uri
-    const magnet = videoObject.url.find(u => {
-      const mediaType = u.mediaType || u.mimeType
-      return mediaType === 'application/x-bittorrent;x-scheme-handler/magnet' && (u as any).height === fileUrl.height
-    })
+    const magnet = urls.filter(isAPMagnetUrlObject)
+                       .find(u => u.height === fileUrl.height)
 
     if (!magnet) throw new Error('Cannot find associated magnet uri for file ' + fileUrl.href)
 
@@ -650,14 +670,17 @@ function videoFileActivityUrlToDBAttributes (video: MVideo, videoObject: VideoTo
       throw new Error('Cannot parse magnet URI ' + magnet.href)
     }
 
-    const mediaType = fileUrl.mediaType || fileUrl.mimeType
+    const mediaType = fileUrl.mediaType
     const attribute = {
       extname: MIMETYPES.VIDEO.MIMETYPE_EXT[ mediaType ],
       infoHash: parsed.infoHash,
       resolution: fileUrl.height,
       size: fileUrl.size,
-      videoId: video.id,
-      fps: fileUrl.fps || -1
+      fps: fileUrl.fps || -1,
+
+      // This is a video file owned by a video or by a streaming playlist
+      videoId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? null : videoOrPlaylist.id,
+      videoStreamingPlaylistId: (videoOrPlaylist as MStreamingPlaylist).playlistUrl ? videoOrPlaylist.id : null
     }
 
     attributes.push(attribute)
@@ -670,12 +693,15 @@ function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObjec
   const playlistUrls = videoObject.url.filter(u => isAPStreamingPlaylistUrlObject(u)) as ActivityPlaylistUrlObject[]
   if (playlistUrls.length === 0) return []
 
-  const attributes: FilteredModelAttributes<VideoStreamingPlaylistModel>[] = []
+  const attributes: (FilteredModelAttributes<VideoStreamingPlaylistModel> & { tagAPObject?: ActivityTagObject[] })[] = []
   for (const playlistUrlObject of playlistUrls) {
-    const segmentsSha256UrlObject = playlistUrlObject.tag
-                                                     .find(t => {
-                                                       return isAPPlaylistSegmentHashesUrlObject(t)
-                                                     }) as ActivityPlaylistSegmentHashesObject
+    const segmentsSha256UrlObject = playlistUrlObject.tag.find(isAPPlaylistSegmentHashesUrlObject)
+
+    let files: unknown[] = playlistUrlObject.tag.filter(u => isAPVideoUrlObject(u)) as ActivityVideoUrlObject[]
+
+    // FIXME: backward compatibility introduced in v2.1.0
+    if (files.length === 0) files = videoFiles
+
     if (!segmentsSha256UrlObject) {
       logger.warn('No segment sha256 URL found in AP playlist object.', { playlistUrl: playlistUrlObject })
       continue
@@ -685,9 +711,10 @@ function streamingPlaylistActivityUrlToDBAttributes (video: MVideoId, videoObjec
       type: VideoStreamingPlaylistType.HLS,
       playlistUrl: playlistUrlObject.href,
       segmentsSha256Url: segmentsSha256UrlObject.href,
-      p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrlObject.href, videoFiles),
+      p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrlObject.href, files),
       p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
-      videoId: video.id
+      videoId: video.id,
+      tagAPObject: playlistUrlObject.tag
     }
 
     attributes.push(attribute)
diff --git a/server/lib/hls.ts b/server/lib/hls.ts
index 05136c21c..943721dd7 100644
--- a/server/lib/hls.ts
+++ b/server/lib/hls.ts
@@ -12,6 +12,7 @@ import { VideoFileModel } from '../models/video/video-file'
 import { CONFIG } from '../initializers/config'
 import { sequelizeTypescript } from '../initializers/database'
 import { MVideoWithFile } from '@server/typings/models'
+import { getVideoFilename, getVideoFilePath } from './video-paths'
 
 async function updateStreamingPlaylistsInfohashesIfNeeded () {
   const playlistsToUpdate = await VideoStreamingPlaylistModel.listByIncorrectPeerVersion()
@@ -32,13 +33,14 @@ async function updateMasterHLSPlaylist (video: MVideoWithFile) {
   const directory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
   const masterPlaylists: string[] = [ '#EXTM3U', '#EXT-X-VERSION:3' ]
   const masterPlaylistPath = join(directory, VideoStreamingPlaylistModel.getMasterHlsPlaylistFilename())
+  const streamingPlaylist = video.getHLSPlaylist()
 
-  for (const file of video.VideoFiles) {
+  for (const file of streamingPlaylist.VideoFiles) {
     // If we did not generated a playlist for this resolution, skip
     const filePlaylistPath = join(directory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(file.resolution))
     if (await pathExists(filePlaylistPath) === false) continue
 
-    const videoFilePath = video.getVideoFilePath(file)
+    const videoFilePath = getVideoFilePath(streamingPlaylist, file)
 
     const size = await getVideoFileSize(videoFilePath)
 
@@ -59,12 +61,13 @@ async function updateSha256Segments (video: MVideoWithFile) {
   const json: { [filename: string]: { [range: string]: string } } = {}
 
   const playlistDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
+  const hlsPlaylist = video.getHLSPlaylist()
 
   // For all the resolutions available for this video
-  for (const file of video.VideoFiles) {
+  for (const file of hlsPlaylist.VideoFiles) {
     const rangeHashes: { [range: string]: string } = {}
 
-    const videoPath = join(playlistDirectory, VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, file.resolution))
+    const videoPath = getVideoFilePath(hlsPlaylist, file)
     const playlistPath = join(playlistDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(file.resolution))
 
     // Maybe the playlist is not generated for this resolution yet
@@ -82,7 +85,7 @@ async function updateSha256Segments (video: MVideoWithFile) {
     }
     await close(fd)
 
-    const videoFilename = VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, file.resolution)
+    const videoFilename = getVideoFilename(hlsPlaylist, file)
     json[videoFilename] = rangeHashes
   }
 
diff --git a/server/lib/job-queue/handlers/video-file-import.ts b/server/lib/job-queue/handlers/video-file-import.ts
index 5c5b7dccb..99c991e72 100644
--- a/server/lib/job-queue/handlers/video-file-import.ts
+++ b/server/lib/job-queue/handlers/video-file-import.ts
@@ -7,6 +7,8 @@ import { copy, stat } from 'fs-extra'
 import { VideoFileModel } from '../../../models/video/video-file'
 import { extname } from 'path'
 import { MVideoFile, MVideoWithFile } from '@server/typings/models'
+import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
+import { getVideoFilePath } from '@server/lib/video-paths'
 
 export type VideoFileImportPayload = {
   videoUUID: string,
@@ -68,10 +70,10 @@ async function updateVideoFile (video: MVideoWithFile, inputFilePath: string) {
     updatedVideoFile = currentVideoFile
   }
 
-  const outputPath = video.getVideoFilePath(updatedVideoFile)
+  const outputPath = getVideoFilePath(video, updatedVideoFile)
   await copy(inputFilePath, outputPath)
 
-  await video.createTorrentAndSetInfoHash(updatedVideoFile)
+  await createTorrentAndSetInfoHash(video, updatedVideoFile)
 
   await updatedVideoFile.save()
 
diff --git a/server/lib/job-queue/handlers/video-import.ts b/server/lib/job-queue/handlers/video-import.ts
index 93a3e9d90..1fca17584 100644
--- a/server/lib/job-queue/handlers/video-import.ts
+++ b/server/lib/job-queue/handlers/video-import.ts
@@ -4,14 +4,14 @@ import { downloadYoutubeDLVideo } from '../../../helpers/youtube-dl'
 import { VideoImportModel } from '../../../models/video/video-import'
 import { VideoImportState } from '../../../../shared/models/videos'
 import { getDurationFromVideoFile, getVideoFileFPS, getVideoFileResolution } from '../../../helpers/ffmpeg-utils'
-import { extname, join } from 'path'
+import { extname } from 'path'
 import { VideoFileModel } from '../../../models/video/video-file'
 import { VIDEO_IMPORT_TIMEOUT } from '../../../initializers/constants'
 import { VideoState } from '../../../../shared'
 import { JobQueue } from '../index'
 import { federateVideoIfNeeded } from '../../activitypub'
 import { VideoModel } from '../../../models/video/video'
-import { downloadWebTorrentVideo } from '../../../helpers/webtorrent'
+import { createTorrentAndSetInfoHash, downloadWebTorrentVideo } from '../../../helpers/webtorrent'
 import { getSecureTorrentName } from '../../../helpers/utils'
 import { move, remove, stat } from 'fs-extra'
 import { Notifier } from '../../notifier'
@@ -21,7 +21,7 @@ import { createVideoMiniatureFromUrl, generateVideoMiniature } from '../../thumb
 import { ThumbnailType } from '../../../../shared/models/videos/thumbnail.type'
 import { MThumbnail } from '../../../typings/models/video/thumbnail'
 import { MVideoImportDefault, MVideoImportDefaultFiles, MVideoImportVideo } from '@server/typings/models/video/video-import'
-import { MVideoBlacklistVideo, MVideoBlacklist } from '@server/typings/models'
+import { getVideoFilePath } from '@server/lib/video-paths'
 
 type VideoImportYoutubeDLPayload = {
   type: 'youtube-dl'
@@ -142,12 +142,12 @@ async function processFile (downloader: () => Promise<string>, videoImport: MVid
     }
     videoFile = new VideoFileModel(videoFileData)
 
-    const videoWithFiles = Object.assign(videoImport.Video, { VideoFiles: [ videoFile ] })
+    const videoWithFiles = Object.assign(videoImport.Video, { VideoFiles: [ videoFile ], VideoStreamingPlaylists: [] })
     // To clean files if the import fails
     const videoImportWithFiles: MVideoImportDefaultFiles = Object.assign(videoImport, { Video: videoWithFiles })
 
     // Move file
-    videoDestFile = join(CONFIG.STORAGE.VIDEOS_DIR, videoImportWithFiles.Video.getVideoFilename(videoFile))
+    videoDestFile = getVideoFilePath(videoImportWithFiles.Video, videoFile)
     await move(tempVideoPath, videoDestFile)
     tempVideoPath = null // This path is not used anymore
 
@@ -168,7 +168,7 @@ async function processFile (downloader: () => Promise<string>, videoImport: MVid
     }
 
     // Create torrent
-    await videoImportWithFiles.Video.createTorrentAndSetInfoHash(videoFile)
+    await createTorrentAndSetInfoHash(videoImportWithFiles.Video, videoFile)
 
     const { videoImportUpdated, video } = await sequelizeTypescript.transaction(async t => {
       const videoImportToUpdate = videoImportWithFiles as MVideoImportVideo
diff --git a/server/lib/job-queue/handlers/video-transcoding.ts b/server/lib/job-queue/handlers/video-transcoding.ts
index 2ebe15bcb..39b9fac98 100644
--- a/server/lib/job-queue/handlers/video-transcoding.ts
+++ b/server/lib/job-queue/handlers/video-transcoding.ts
@@ -1,5 +1,5 @@
 import * as Bull from 'bull'
-import { VideoResolution, VideoState } from '../../../../shared'
+import { VideoResolution } from '../../../../shared'
 import { logger } from '../../../helpers/logger'
 import { VideoModel } from '../../../models/video/video'
 import { JobQueue } from '../job-queue'
@@ -8,10 +8,10 @@ import { retryTransactionWrapper } from '../../../helpers/database-utils'
 import { sequelizeTypescript } from '../../../initializers'
 import * as Bluebird from 'bluebird'
 import { computeResolutionsToTranscode } from '../../../helpers/ffmpeg-utils'
-import { generateHlsPlaylist, optimizeVideofile, transcodeOriginalVideofile, mergeAudioVideofile } from '../../video-transcoding'
+import { generateHlsPlaylist, mergeAudioVideofile, optimizeOriginalVideofile, transcodeNewResolution } from '../../video-transcoding'
 import { Notifier } from '../../notifier'
 import { CONFIG } from '../../../initializers/config'
-import { MVideoUUID, MVideoWithFile } from '@server/typings/models'
+import { MVideoFullLight, MVideoUUID, MVideoWithFile } from '@server/typings/models'
 
 interface BaseTranscodingPayload {
   videoUUID: string
@@ -22,6 +22,7 @@ interface HLSTranscodingPayload extends BaseTranscodingPayload {
   type: 'hls'
   isPortraitMode?: boolean
   resolution: VideoResolution
+  copyCodecs: boolean
 }
 
 interface NewResolutionTranscodingPayload extends BaseTranscodingPayload {
@@ -54,11 +55,11 @@ async function processVideoTranscoding (job: Bull.Job) {
   }
 
   if (payload.type === 'hls') {
-    await generateHlsPlaylist(video, payload.resolution, payload.isPortraitMode || false)
+    await generateHlsPlaylist(video, payload.resolution, payload.copyCodecs, payload.isPortraitMode || false)
 
     await retryTransactionWrapper(onHlsPlaylistGenerationSuccess, video)
   } else if (payload.type === 'new-resolution') {
-    await transcodeOriginalVideofile(video, payload.resolution, payload.isPortraitMode || false)
+    await transcodeNewResolution(video, payload.resolution, payload.isPortraitMode || false)
 
     await retryTransactionWrapper(publishNewResolutionIfNeeded, video, payload)
   } else if (payload.type === 'merge-audio') {
@@ -66,7 +67,7 @@ async function processVideoTranscoding (job: Bull.Job) {
 
     await retryTransactionWrapper(publishNewResolutionIfNeeded, video, payload)
   } else {
-    await optimizeVideofile(video)
+    await optimizeOriginalVideofile(video)
 
     await retryTransactionWrapper(onVideoFileOptimizerSuccess, video, payload)
   }
@@ -74,48 +75,24 @@ async function processVideoTranscoding (job: Bull.Job) {
   return video
 }
 
-async function onHlsPlaylistGenerationSuccess (video: MVideoUUID) {
+async function onHlsPlaylistGenerationSuccess (video: MVideoFullLight) {
   if (video === undefined) return undefined
 
-  await sequelizeTypescript.transaction(async t => {
-    // Maybe the video changed in database, refresh it
-    let videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.uuid, t)
-    // Video does not exist anymore
-    if (!videoDatabase) return undefined
-
-    // If the video was not published, we consider it is a new one for other instances
-    await federateVideoIfNeeded(videoDatabase, false, t)
-  })
-}
-
-async function publishNewResolutionIfNeeded (video: MVideoUUID, payload?: NewResolutionTranscodingPayload | MergeAudioTranscodingPayload) {
-  const { videoDatabase, videoPublished } = await sequelizeTypescript.transaction(async t => {
-    // Maybe the video changed in database, refresh it
-    let videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.uuid, t)
-    // Video does not exist anymore
-    if (!videoDatabase) return undefined
-
-    let videoPublished = false
-
-    // We transcoded the video file in another format, now we can publish it
-    if (videoDatabase.state !== VideoState.PUBLISHED) {
-      videoPublished = true
-
-      videoDatabase.state = VideoState.PUBLISHED
-      videoDatabase.publishedAt = new Date()
-      videoDatabase = await videoDatabase.save({ transaction: t })
+  // We generated the HLS playlist, we don't need the webtorrent files anymore if the admin disabled it
+  if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false) {
+    for (const file of video.VideoFiles) {
+      await video.removeFile(file)
+      await file.destroy()
     }
 
-    // If the video was not published, we consider it is a new one for other instances
-    await federateVideoIfNeeded(videoDatabase, videoPublished, t)
+    video.VideoFiles = []
+  }
 
-    return { videoDatabase, videoPublished }
-  })
+  return publishAndFederateIfNeeded(video)
+}
 
-  if (videoPublished) {
-    Notifier.Instance.notifyOnNewVideoIfNeeded(videoDatabase)
-    Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(videoDatabase)
-  }
+async function publishNewResolutionIfNeeded (video: MVideoUUID, payload?: NewResolutionTranscodingPayload | MergeAudioTranscodingPayload) {
+  await publishAndFederateIfNeeded(video)
 
   await createHlsJobIfEnabled(payload)
 }
@@ -124,7 +101,7 @@ async function onVideoFileOptimizerSuccess (videoArg: MVideoWithFile, payload: O
   if (videoArg === undefined) return undefined
 
   // Outside the transaction (IO on disk)
-  const { videoFileResolution } = await videoArg.getOriginalFileResolution()
+  const { videoFileResolution } = await videoArg.getMaxQualityResolution()
 
   const { videoDatabase, videoPublished } = await sequelizeTypescript.transaction(async t => {
     // Maybe the video changed in database, refresh it
@@ -141,14 +118,29 @@ async function onVideoFileOptimizerSuccess (videoArg: MVideoWithFile, payload: O
 
     let videoPublished = false
 
+    const hlsPayload = Object.assign({}, payload, { resolution: videoDatabase.getMaxQualityFile().resolution })
+    await createHlsJobIfEnabled(hlsPayload)
+
     if (resolutionsEnabled.length !== 0) {
       const tasks: (Bluebird<Bull.Job<any>> | Promise<Bull.Job<any>>)[] = []
 
       for (const resolution of resolutionsEnabled) {
-        const dataInput = {
-          type: 'new-resolution' as 'new-resolution',
-          videoUUID: videoDatabase.uuid,
-          resolution
+        let dataInput: VideoTranscodingPayload
+
+        if (CONFIG.TRANSCODING.WEBTORRENT.ENABLED) {
+          dataInput = {
+            type: 'new-resolution' as 'new-resolution',
+            videoUUID: videoDatabase.uuid,
+            resolution
+          }
+        } else if (CONFIG.TRANSCODING.HLS.ENABLED) {
+          dataInput = {
+            type: 'hls',
+            videoUUID: videoDatabase.uuid,
+            resolution,
+            isPortraitMode: false,
+            copyCodecs: false
+          }
         }
 
         const p = JobQueue.Instance.createJob({ type: 'video-transcoding', payload: dataInput })
@@ -159,11 +151,8 @@ async function onVideoFileOptimizerSuccess (videoArg: MVideoWithFile, payload: O
 
       logger.info('Transcoding jobs created for uuid %s.', videoDatabase.uuid, { resolutionsEnabled })
     } else {
-      videoPublished = true
-
       // No transcoding to do, it's now published
-      videoDatabase.state = VideoState.PUBLISHED
-      videoDatabase = await videoDatabase.save({ transaction: t })
+      videoPublished = await videoDatabase.publishIfNeededAndSave(t)
 
       logger.info('No transcoding jobs created for video %s (no resolutions).', videoDatabase.uuid, { privacy: videoDatabase.privacy })
     }
@@ -175,9 +164,6 @@ async function onVideoFileOptimizerSuccess (videoArg: MVideoWithFile, payload: O
 
   if (payload.isNewVideo) Notifier.Instance.notifyOnNewVideoIfNeeded(videoDatabase)
   if (videoPublished) Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(videoDatabase)
-
-  const hlsPayload = Object.assign({}, payload, { resolution: videoDatabase.getOriginalFile().resolution })
-  await createHlsJobIfEnabled(hlsPayload)
 }
 
 // ---------------------------------------------------------------------------
@@ -196,9 +182,32 @@ function createHlsJobIfEnabled (payload?: { videoUUID: string, resolution: numbe
       type: 'hls' as 'hls',
       videoUUID: payload.videoUUID,
       resolution: payload.resolution,
-      isPortraitMode: payload.isPortraitMode
+      isPortraitMode: payload.isPortraitMode,
+      copyCodecs: true
     }
 
     return JobQueue.Instance.createJob({ type: 'video-transcoding', payload: hlsTranscodingPayload })
   }
 }
+
+async function publishAndFederateIfNeeded (video: MVideoUUID) {
+  const { videoDatabase, videoPublished } = await sequelizeTypescript.transaction(async t => {
+    // Maybe the video changed in database, refresh it
+    const videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(video.uuid, t)
+    // Video does not exist anymore
+    if (!videoDatabase) return undefined
+
+    // We transcoded the video file in another format, now we can publish it
+    const videoPublished = await videoDatabase.publishIfNeededAndSave(t)
+
+    // If the video was not published, we consider it is a new one for other instances
+    await federateVideoIfNeeded(videoDatabase, videoPublished, t)
+
+    return { videoDatabase, videoPublished }
+  })
+
+  if (videoPublished) {
+    Notifier.Instance.notifyOnNewVideoIfNeeded(videoDatabase)
+    Notifier.Instance.notifyOnVideoPublishedAfterTranscoding(videoDatabase)
+  }
+}
diff --git a/server/lib/schedulers/update-videos-scheduler.ts b/server/lib/schedulers/update-videos-scheduler.ts
index 5b673b913..293bba91f 100644
--- a/server/lib/schedulers/update-videos-scheduler.ts
+++ b/server/lib/schedulers/update-videos-scheduler.ts
@@ -6,8 +6,8 @@ import { federateVideoIfNeeded } from '../activitypub'
 import { SCHEDULER_INTERVALS_MS } from '../../initializers/constants'
 import { VideoPrivacy } from '../../../shared/models/videos'
 import { Notifier } from '../notifier'
-import { VideoModel } from '../../models/video/video'
 import { sequelizeTypescript } from '../../initializers/database'
+import { MVideoFullLight } from '@server/typings/models'
 
 export class UpdateVideosScheduler extends AbstractScheduler {
 
@@ -28,7 +28,7 @@ export class UpdateVideosScheduler extends AbstractScheduler {
 
     const publishedVideos = await sequelizeTypescript.transaction(async t => {
       const schedules = await ScheduleVideoUpdateModel.listVideosToUpdate(t)
-      const publishedVideos: VideoModel[] = []
+      const publishedVideos: MVideoFullLight[] = []
 
       for (const schedule of schedules) {
         const video = schedule.Video
@@ -45,8 +45,8 @@ export class UpdateVideosScheduler extends AbstractScheduler {
           await federateVideoIfNeeded(video, isNewVideo, t)
 
           if (oldPrivacy === VideoPrivacy.UNLISTED || oldPrivacy === VideoPrivacy.PRIVATE) {
-            video.ScheduleVideoUpdate = schedule
-            publishedVideos.push(video)
+            const videoToPublish: MVideoFullLight = Object.assign(video, { ScheduleVideoUpdate: schedule, UserVideoHistories: [] })
+            publishedVideos.push(videoToPublish)
           }
         }
 
diff --git a/server/lib/schedulers/videos-redundancy-scheduler.ts b/server/lib/schedulers/videos-redundancy-scheduler.ts
index 1e30f6ebc..f2bd75cb4 100644
--- a/server/lib/schedulers/videos-redundancy-scheduler.ts
+++ b/server/lib/schedulers/videos-redundancy-scheduler.ts
@@ -3,7 +3,7 @@ import { HLS_REDUNDANCY_DIRECTORY, REDUNDANCY, VIDEO_IMPORT_TIMEOUT, WEBSERVER }
 import { logger } from '../../helpers/logger'
 import { VideosRedundancy } from '../../../shared/models/redundancy'
 import { VideoRedundancyModel } from '../../models/redundancy/video-redundancy'
-import { downloadWebTorrentVideo } from '../../helpers/webtorrent'
+import { downloadWebTorrentVideo, generateMagnetUri } from '../../helpers/webtorrent'
 import { join } from 'path'
 import { move } from 'fs-extra'
 import { getServerActor } from '../../helpers/utils'
@@ -24,6 +24,7 @@ import {
   MVideoRedundancyVideo,
   MVideoWithAllFiles
 } from '@server/typings/models'
+import { getVideoFilename } from '../video-paths'
 
 type CandidateToDuplicate = {
   redundancy: VideosRedundancy,
@@ -195,11 +196,11 @@ export class VideosRedundancyScheduler extends AbstractScheduler {
     logger.info('Duplicating %s - %d in videos redundancy with "%s" strategy.', video.url, file.resolution, redundancy.strategy)
 
     const { baseUrlHttp, baseUrlWs } = video.getBaseUrls()
-    const magnetUri = video.generateMagnetUri(file, baseUrlHttp, baseUrlWs)
+    const magnetUri = await generateMagnetUri(video, file, baseUrlHttp, baseUrlWs)
 
     const tmpPath = await downloadWebTorrentVideo({ magnetUri }, VIDEO_IMPORT_TIMEOUT)
 
-    const destPath = join(CONFIG.STORAGE.REDUNDANCY_DIR, video.getVideoFilename(file))
+    const destPath = join(CONFIG.STORAGE.REDUNDANCY_DIR, getVideoFilename(video, file))
     await move(tmpPath, destPath, { overwrite: true })
 
     const createdModel: MVideoRedundancyFileVideo = await VideoRedundancyModel.create({
diff --git a/server/lib/thumbnail.ts b/server/lib/thumbnail.ts
index 84791955e..a99f71629 100644
--- a/server/lib/thumbnail.ts
+++ b/server/lib/thumbnail.ts
@@ -9,6 +9,7 @@ import { downloadImage } from '../helpers/requests'
 import { MVideoPlaylistThumbnail } from '../typings/models/video/video-playlist'
 import { MVideoFile, MVideoThumbnail } from '../typings/models'
 import { MThumbnail } from '../typings/models/video/thumbnail'
+import { getVideoFilePath } from './video-paths'
 
 type ImageSize = { height: number, width: number }
 
@@ -55,7 +56,7 @@ function createVideoMiniatureFromExisting (
 }
 
 function generateVideoMiniature (video: MVideoThumbnail, videoFile: MVideoFile, type: ThumbnailType) {
-  const input = video.getVideoFilePath(videoFile)
+  const input = getVideoFilePath(video, videoFile)
 
   const { filename, basePath, height, width, existingThumbnail, outputPath } = buildMetadataFromVideo(video, type)
   const thumbnailCreator = videoFile.isAudio()
diff --git a/server/lib/video-paths.ts b/server/lib/video-paths.ts
new file mode 100644
index 000000000..63011cdb2
--- /dev/null
+++ b/server/lib/video-paths.ts
@@ -0,0 +1,64 @@
+import { isStreamingPlaylist, MStreamingPlaylistVideo, MVideo, MVideoFile } from '@server/typings/models'
+import { extractVideo } from './videos'
+import { join } from 'path'
+import { CONFIG } from '@server/initializers/config'
+import { HLS_STREAMING_PLAYLIST_DIRECTORY } from '@server/initializers/constants'
+
+// ################## Video file name ##################
+
+function getVideoFilename (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
+  const video = extractVideo(videoOrPlaylist)
+
+  if (isStreamingPlaylist(videoOrPlaylist)) {
+    return generateVideoStreamingPlaylistName(video.uuid, videoFile.resolution)
+  }
+
+  return generateWebTorrentVideoName(video.uuid, videoFile.resolution, videoFile.extname)
+}
+
+function generateVideoStreamingPlaylistName (uuid: string, resolution: number) {
+  return `${uuid}-${resolution}-fragmented.mp4`
+}
+
+function generateWebTorrentVideoName (uuid: string, resolution: number, extname: string) {
+  return uuid + '-' + resolution + extname
+}
+
+function getVideoFilePath (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile, isRedundancy = false) {
+  if (isStreamingPlaylist(videoOrPlaylist)) {
+    const video = extractVideo(videoOrPlaylist)
+    return join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid, getVideoFilename(videoOrPlaylist, videoFile))
+  }
+
+  const baseDir = isRedundancy ? CONFIG.STORAGE.REDUNDANCY_DIR : CONFIG.STORAGE.VIDEOS_DIR
+  return join(baseDir, getVideoFilename(videoOrPlaylist, videoFile))
+}
+
+// ################## Torrents ##################
+
+function getTorrentFileName (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
+  const video = extractVideo(videoOrPlaylist)
+  const extension = '.torrent'
+
+  if (isStreamingPlaylist(videoOrPlaylist)) {
+    return `${video.uuid}-${videoFile.resolution}-${videoOrPlaylist.getStringType()}${extension}`
+  }
+
+  return video.uuid + '-' + videoFile.resolution + extension
+}
+
+function getTorrentFilePath (videoOrPlaylist: MVideo | MStreamingPlaylistVideo, videoFile: MVideoFile) {
+  return join(CONFIG.STORAGE.TORRENTS_DIR, getTorrentFileName(videoOrPlaylist, videoFile))
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  generateVideoStreamingPlaylistName,
+  generateWebTorrentVideoName,
+  getVideoFilename,
+  getVideoFilePath,
+
+  getTorrentFileName,
+  getTorrentFilePath
+}
diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts
index 612d388ee..9243d1742 100644
--- a/server/lib/video-transcoding.ts
+++ b/server/lib/video-transcoding.ts
@@ -1,5 +1,5 @@
 import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants'
-import { basename, join } from 'path'
+import { basename, extname as extnameUtil, join } from 'path'
 import {
   canDoQuickTranscode,
   getDurationFromVideoFile,
@@ -16,18 +16,19 @@ import { updateMasterHLSPlaylist, updateSha256Segments } from './hls'
 import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
 import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type'
 import { CONFIG } from '../initializers/config'
-import { MVideoFile, MVideoWithFile, MVideoWithFileThumbnail } from '@server/typings/models'
+import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoWithAllFiles, MVideoWithFile } from '@server/typings/models'
+import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
+import { generateVideoStreamingPlaylistName, getVideoFilename, getVideoFilePath } from './video-paths'
 
 /**
  * Optimize the original video file and replace it. The resolution is not changed.
  */
-async function optimizeVideofile (video: MVideoWithFile, inputVideoFileArg?: MVideoFile) {
-  const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
+async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileArg?: MVideoFile) {
   const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
   const newExtname = '.mp4'
 
-  const inputVideoFile = inputVideoFileArg ? inputVideoFileArg : video.getOriginalFile()
-  const videoInputPath = join(videosDirectory, video.getVideoFilename(inputVideoFile))
+  const inputVideoFile = inputVideoFileArg || video.getMaxQualityFile()
+  const videoInputPath = getVideoFilePath(video, inputVideoFile)
   const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
 
   const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath)
@@ -35,7 +36,7 @@ async function optimizeVideofile (video: MVideoWithFile, inputVideoFileArg?: MVi
     : 'video'
 
   const transcodeOptions: TranscodeOptions = {
-    type: transcodeType as any, // FIXME: typing issue
+    type: transcodeType,
     inputPath: videoInputPath,
     outputPath: videoTranscodedPath,
     resolution: inputVideoFile.resolution
@@ -50,7 +51,7 @@ async function optimizeVideofile (video: MVideoWithFile, inputVideoFileArg?: MVi
     // Important to do this before getVideoFilename() to take in account the new file extension
     inputVideoFile.extname = newExtname
 
-    const videoOutputPath = video.getVideoFilePath(inputVideoFile)
+    const videoOutputPath = getVideoFilePath(video, inputVideoFile)
 
     await onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
   } catch (err) {
@@ -64,13 +65,12 @@ async function optimizeVideofile (video: MVideoWithFile, inputVideoFileArg?: MVi
 /**
  * Transcode the original video file to a lower resolution.
  */
-async function transcodeOriginalVideofile (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean) {
-  const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
+async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean) {
   const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
   const extname = '.mp4'
 
   // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed
-  const videoInputPath = join(videosDirectory, video.getVideoFilename(video.getOriginalFile()))
+  const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile())
 
   const newVideoFile = new VideoFileModel({
     resolution,
@@ -78,8 +78,8 @@ async function transcodeOriginalVideofile (video: MVideoWithFile, resolution: Vi
     size: 0,
     videoId: video.id
   })
-  const videoOutputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(newVideoFile))
-  const videoTranscodedPath = join(transcodeDirectory, video.getVideoFilename(newVideoFile))
+  const videoOutputPath = getVideoFilePath(video, newVideoFile)
+  const videoTranscodedPath = join(transcodeDirectory, getVideoFilename(video, newVideoFile))
 
   const transcodeOptions = {
     type: 'video' as 'video',
@@ -94,14 +94,13 @@ async function transcodeOriginalVideofile (video: MVideoWithFile, resolution: Vi
   return onVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath)
 }
 
-async function mergeAudioVideofile (video: MVideoWithFileThumbnail, resolution: VideoResolution) {
-  const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
+async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution) {
   const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
   const newExtname = '.mp4'
 
-  const inputVideoFile = video.getOriginalFile()
+  const inputVideoFile = video.getMaxQualityFile()
 
-  const audioInputPath = join(videosDirectory, video.getVideoFilename(video.getOriginalFile()))
+  const audioInputPath = getVideoFilePath(video, inputVideoFile)
   const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
 
   // If the user updates the video preview during transcoding
@@ -130,7 +129,7 @@ async function mergeAudioVideofile (video: MVideoWithFileThumbnail, resolution:
   // Important to do this before getVideoFilename() to take in account the new file extension
   inputVideoFile.extname = newExtname
 
-  const videoOutputPath = video.getVideoFilePath(inputVideoFile)
+  const videoOutputPath = getVideoFilePath(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)
@@ -139,33 +138,40 @@ async function mergeAudioVideofile (video: MVideoWithFileThumbnail, resolution:
   return onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
 }
 
-async function generateHlsPlaylist (video: MVideoWithFile, resolution: VideoResolution, isPortraitMode: boolean) {
+async function generateHlsPlaylist (video: MVideoWithFile, resolution: VideoResolution, copyCodecs: boolean, isPortraitMode: boolean) {
   const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
   await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid))
 
-  const videoInputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(video.getFile(resolution)))
+  const videoFileInput = copyCodecs
+    ? video.getWebTorrentFile(resolution)
+    : video.getMaxQualityFile()
+
+  const videoOrStreamingPlaylist = videoFileInput.getVideoOrStreamingPlaylist()
+  const videoInputPath = getVideoFilePath(videoOrStreamingPlaylist, videoFileInput)
+
   const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution))
+  const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution)
 
   const transcodeOptions = {
     type: 'hls' as 'hls',
     inputPath: videoInputPath,
     outputPath,
     resolution,
+    copyCodecs,
     isPortraitMode,
 
     hlsPlaylist: {
-      videoFilename: VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, resolution)
+      videoFilename
     }
   }
 
-  await transcode(transcodeOptions)
+  logger.debug('Will run transcode.', { transcodeOptions })
 
-  await updateMasterHLSPlaylist(video)
-  await updateSha256Segments(video)
+  await transcode(transcodeOptions)
 
   const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
 
-  await VideoStreamingPlaylistModel.upsert({
+  const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
     videoId: video.id,
     playlistUrl,
     segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid),
@@ -173,15 +179,44 @@ async function generateHlsPlaylist (video: MVideoWithFile, resolution: VideoReso
     p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
 
     type: VideoStreamingPlaylistType.HLS
+  }, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ]
+  videoStreamingPlaylist.Video = video
+
+  const newVideoFile = new VideoFileModel({
+    resolution,
+    extname: extnameUtil(videoFilename),
+    size: 0,
+    fps: -1,
+    videoStreamingPlaylistId: videoStreamingPlaylist.id
   })
+
+  const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile)
+  const stats = await stat(videoFilePath)
+
+  newVideoFile.size = stats.size
+  newVideoFile.fps = await getVideoFileFPS(videoFilePath)
+
+  await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile)
+
+  const updatedVideoFile = await newVideoFile.save()
+
+  videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles') as VideoFileModel[]
+  videoStreamingPlaylist.VideoFiles.push(updatedVideoFile)
+
+  video.setHLSPlaylist(videoStreamingPlaylist)
+
+  await updateMasterHLSPlaylist(video)
+  await updateSha256Segments(video)
+
+  return video
 }
 
 // ---------------------------------------------------------------------------
 
 export {
   generateHlsPlaylist,
-  optimizeVideofile,
-  transcodeOriginalVideofile,
+  optimizeOriginalVideofile,
+  transcodeNewResolution,
   mergeAudioVideofile
 }
 
@@ -196,7 +231,7 @@ async function onVideoFileTranscoding (video: MVideoWithFile, videoFile: MVideoF
   videoFile.size = stats.size
   videoFile.fps = fps
 
-  await video.createTorrentAndSetInfoHash(videoFile)
+  await createTorrentAndSetInfoHash(video, videoFile)
 
   const updatedVideoFile = await videoFile.save()
 
diff --git a/server/lib/videos.ts b/server/lib/videos.ts
new file mode 100644
index 000000000..22e9afbf9
--- /dev/null
+++ b/server/lib/videos.ts
@@ -0,0 +1,11 @@
+import { isStreamingPlaylist, MStreamingPlaylistVideo, MVideo } from '@server/typings/models'
+
+function extractVideo (videoOrPlaylist: MVideo | MStreamingPlaylistVideo) {
+  return isStreamingPlaylist(videoOrPlaylist)
+    ? videoOrPlaylist.Video
+    : videoOrPlaylist
+}
+
+export {
+  extractVideo
+}