1 files changed, 11 insertions, 2 deletions

diff --git a/server/lib/video-transcoding.ts b/server/lib/video-transcoding.ts
index 0fe0ff12a..8e906a1eb 100644
--- a/server/lib/video-transcoding.ts
+++ b/server/lib/video-transcoding.ts
@@ -1,6 +1,6 @@
 import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants'
 import { join } from 'path'
-import { getVideoFileFPS, transcode } from '../helpers/ffmpeg-utils'
+import { getVideoFileFPS, transcode, canDoQuickTranscode } from '../helpers/ffmpeg-utils'
 import { ensureDir, move, remove, stat } from 'fs-extra'
 import { logger } from '../helpers/logger'
 import { VideoResolution } from '../../shared/models/videos'
@@ -11,6 +11,9 @@ import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-pla
 import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type'
 import { CONFIG } from '../initializers/config'
 
+/**
+ * Optimize the original video file and replace it. The resolution is not changed.
+ */
 async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFileModel) {
   const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
   const newExtname = '.mp4'
@@ -19,10 +22,13 @@ async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFi
   const videoInputPath = join(videosDirectory, video.getVideoFilename(inputVideoFile))
   const videoTranscodedPath = join(videosDirectory, video.id + '-transcoded' + newExtname)
 
+  const doQuickTranscode = await(canDoQuickTranscode(videoInputPath))
+
   const transcodeOptions = {
     inputPath: videoInputPath,
     outputPath: videoTranscodedPath,
-    resolution: inputVideoFile.resolution
+    resolution: inputVideoFile.resolution,
+    doQuickTranscode
   }
 
   // Could be very long!
@@ -52,6 +58,9 @@ async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFi
   }
 }
 
+/**
+ * Transcode the original video file to a lower resolution.
+ */
 async function transcodeOriginalVideofile (video: VideoModel, resolution: VideoResolution, isPortrait: boolean) {
   const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR
   const extname = '.mp4'