From 92e0f42e8ce5f1ab5e4023900b8194627231a11b Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Wed, 11 Dec 2019 09:51:17 +0100
Subject: Don't use the max quality file when transcoding to a new resolution

---
 server/models/video/video.ts | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'server/models/video')

diff --git a/server/models/video/video.ts b/server/models/video/video.ts
index 73e0d2345..af6fae0b6 100644
--- a/server/models/video/video.ts
+++ b/server/models/video/video.ts
@@ -1,5 +1,5 @@
 import * as Bluebird from 'bluebird'
-import { maxBy } from 'lodash'
+import { maxBy, minBy } from 'lodash'
 import { join } from 'path'
 import {
   CountOptions,
@@ -1802,9 +1802,9 @@ export class VideoModel extends Model<VideoModel> {
       this.VideoChannel.Account.isBlocked()
   }
 
-  getMaxQualityFile <T extends MVideoWithFile> (this: T): MVideoFileVideo | MVideoFileStreamingPlaylistVideo {
+  getQualityFileBy <T extends MVideoWithFile> (this: T, fun: (files: MVideoFile[], it: (file: MVideoFile) => number) => MVideoFile) {
     if (Array.isArray(this.VideoFiles) && this.VideoFiles.length !== 0) {
-      const file = maxBy(this.VideoFiles, file => file.resolution)
+      const file = fun(this.VideoFiles, file => file.resolution)
 
       return Object.assign(file, { Video: this })
     }
@@ -1813,13 +1813,21 @@ export class VideoModel extends Model<VideoModel> {
     if (Array.isArray(this.VideoStreamingPlaylists) && this.VideoStreamingPlaylists.length !== 0) {
       const streamingPlaylistWithVideo = Object.assign(this.VideoStreamingPlaylists[0], { Video: this })
 
-      const file = maxBy(streamingPlaylistWithVideo.VideoFiles, file => file.resolution)
+      const file = fun(streamingPlaylistWithVideo.VideoFiles, file => file.resolution)
       return Object.assign(file, { VideoStreamingPlaylist: streamingPlaylistWithVideo })
     }
 
     return undefined
   }
 
+  getMaxQualityFile <T extends MVideoWithFile> (this: T): MVideoFileVideo | MVideoFileStreamingPlaylistVideo {
+    return this.getQualityFileBy(maxBy)
+  }
+
+  getMinQualityFile <T extends MVideoWithFile> (this: T): MVideoFileVideo | MVideoFileStreamingPlaylistVideo {
+    return this.getQualityFileBy(minBy)
+  }
+
   getWebTorrentFile <T extends MVideoWithFile> (this: T, resolution: number): MVideoFileVideo {
     if (Array.isArray(this.VideoFiles) === false) return undefined
 
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