From d47811bdaf8bbfc74c8185ef0bff7490726828d9 Mon Sep 17 00:00:00 2001
From: Jonas Resch <jonas.resch@live.de>
Date: Wed, 8 Dec 2021 10:17:25 +0100
Subject: [PATCH] Fix wrong ffmpeg map argument due to wrong calculation

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

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 91f6654bb7..92b345f126 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -2007,7 +2007,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 if (state.AudioStream.IsExternal)
                 {
                     int externalAudioMapIndex = state.SubtitleStream != null && state.SubtitleStream.IsExternal ? 2 : 1;
-                    int externalAudioStream = state.MediaSource.MediaStreams.FindIndex(i => i.Path == state.AudioStream.Path);
+                    int externalAudioStream = state.MediaSource.MediaStreams.Where(i => i.Path == state.AudioStream.Path).ToList().IndexOf(state.AudioStream);
 
                     args += string.Format(
                         CultureInfo.InvariantCulture,