From 57155e15ed261515f1cc6225cd4a8285565a7a56 Mon Sep 17 00:00:00 2001
From: jeffvli <jeffvictorli@gmail.com>
Date: Thu, 9 Jul 2026 22:03:02 -0700
Subject: [PATCH] add missing album gain to Jellyfin (#2199)

---
 src/shared/api/jellyfin/jellyfin-normalize.ts | 18 +++++++++++-------
 src/shared/api/jellyfin/jellyfin-types.ts     |  1 +
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/shared/api/jellyfin/jellyfin-normalize.ts b/src/shared/api/jellyfin/jellyfin-normalize.ts
index b3658b1a3..0803ede2a 100644
--- a/src/shared/api/jellyfin/jellyfin-normalize.ts
+++ b/src/shared/api/jellyfin/jellyfin-normalize.ts
@@ -160,15 +160,19 @@ const normalizeSong = (
         duration: item.RunTimeTicks / TICKS_PER_MS,
         explicitStatus: null,
         gain:
-            item.NormalizationGain !== undefined
+            item.AlbumNormalizationGain !== undefined ||
+            item.NormalizationGain !== undefined ||
+            item.LUFS !== undefined
                 ? {
-                      track: item.NormalizationGain,
+                      album: item.AlbumNormalizationGain,
+                      track:
+                          item.NormalizationGain !== undefined
+                              ? item.NormalizationGain
+                              : item.LUFS !== undefined
+                                ? -18 - item.LUFS
+                                : undefined,
                   }
-                : item.LUFS
-                  ? {
-                        track: -18 - item.LUFS,
-                    }
-                  : null,
+                : null,
         genres: item.GenreItems?.map((entry) => ({
             _itemType: LibraryItem.GENRE,
             _serverId: server?.id || '',
diff --git a/src/shared/api/jellyfin/jellyfin-types.ts b/src/shared/api/jellyfin/jellyfin-types.ts
index 124d68bfe..e2e6ba2f3 100644
--- a/src/shared/api/jellyfin/jellyfin-types.ts
+++ b/src/shared/api/jellyfin/jellyfin-types.ts
@@ -471,6 +471,7 @@ const song = z.object({
     AlbumArtist: z.string(),
     AlbumArtists: z.array(genericItem),
     AlbumId: z.string().optional(),
+    AlbumNormalizationGain: z.number().optional(),
     AlbumPrimaryImageTag: z.string(),
     ArtistItems: z.array(genericItem),
     Artists: z.array(z.string()),