From ebdc756547ece276b9051226903d2d6794fe6e2b Mon Sep 17 00:00:00 2001
From: Nyanmisaka <nst799610810@gmail.com>
Date: Fri, 27 Jun 2025 07:48:43 +0800
Subject: [PATCH] Fix -fps_mode option being applied on input (#14379)

---
 MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index c9122ab469..cd805f3dc5 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -7151,7 +7151,8 @@ namespace MediaBrowser.Controller.MediaEncoding
                 inputModifier += " -async " + state.InputAudioSync;
             }
 
-            if (!string.IsNullOrEmpty(state.InputVideoSync))
+            // The -fps_mode option cannot be applied to input
+            if (!string.IsNullOrEmpty(state.InputVideoSync) && _mediaEncoder.EncoderVersion < new Version(5, 1))
             {
                 inputModifier += GetVideoSyncOption(state.InputVideoSync, _mediaEncoder.EncoderVersion);
             }