Fix retranscoding of odd resolution

2 files changed, 9 insertions, 3 deletions

diff --git a/server/helpers/ffmpeg/ffprobe-utils.ts b/server/helpers/ffmpeg/ffprobe-utils.ts
index 8cfdba4f9..fb270b3cb 100644
--- a/server/helpers/ffmpeg/ffprobe-utils.ts
+++ b/server/helpers/ffmpeg/ffprobe-utils.ts
@@ -15,6 +15,7 @@ import {
 import { VideoResolution, VideoTranscodingFPS } from '@shared/models'
 import { CONFIG } from '../../initializers/config'
 import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
+import { toEven } from '../core-utils'
 import { logger } from '../logger'
 
 /**
@@ -133,7 +134,8 @@ function computeResolutionsToTranscode (options: {
   }
 
   if (includeInput) {
-    resolutionsEnabled.add(input)
+    // Always use an even resolution to avoid issues with ffmpeg
+    resolutionsEnabled.add(toEven(input))
   }
 
   return Array.from(resolutionsEnabled)
diff --git a/server/lib/transcoding/transcoding.ts b/server/lib/transcoding/transcoding.ts
index e6914db87..c7b61e9ba 100644
--- a/server/lib/transcoding/transcoding.ts
+++ b/server/lib/transcoding/transcoding.ts
@@ -444,7 +444,9 @@ async function generateHlsPlaylistCommon (options: {
 }
 
 function buildOriginalFileResolution (inputResolution: number) {
-  if (CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION === true) return toEven(inputResolution)
+  if (CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION === true) {
+    return toEven(inputResolution)
+  }
 
   const resolutions = computeResolutionsToTranscode({
     input: inputResolution,
@@ -455,7 +457,9 @@ function buildOriginalFileResolution (inputResolution: number) {
     hasAudio: true
   })
 
-  if (resolutions.length === 0) return toEven(inputResolution)
+  if (resolutions.length === 0) {
+    return toEven(inputResolution)
+  }
 
   return Math.max(...resolutions)
 }