packages/jellyfin: init with hls long segments patch

packages/patched-derivations.nix

@@ -51,6 +51,12 @@ super: rec {
 
   dvc-objects = super.python3Packages.dvc-objects.overrideAttrs dvcMd5ToSha256;
 
+  jellyfin = patch (super.jellyfin.override {
+    ffmpeg = super.ffmpeg.override {
+      withMfx = true;
+    };
+  }) "patches/base/jellyfin";
+
   jre17_standard = let
     jre = super.jre_minimal.override {
       jdk = super.jdk17_headless;

patches/base/jellyfin/hls-long-segments.patch

@@ -0,0 +1,17 @@
+diff --git a/Jellyfin.Api/Models/StreamingDtos/StreamState.cs b/Jellyfin.Api/Models/StreamingDtos/StreamState.cs
+index 192f33e..fd6672b 100644
+--- a/Jellyfin.Api/Models/StreamingDtos/StreamState.cs
++++ b/Jellyfin.Api/Models/StreamingDtos/StreamState.cs
+@@ -100,10 +100,10 @@ namespace Jellyfin.Api.Models.StreamingDtos
+                         return 3;
+                     }
+ 
+-                    return 6;
++                    return 9;
+                 }
+ 
+-                return 3;
++                return 6;
+             }
+         }
+