From 9908dad045de4dcb96933475aa7713cc7549300d Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Fri, 24 Feb 2023 14:31:57 +0100
Subject: [PATCH] Take channels into account when calculating fallback audio
 bitrate

---
 MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 7f2273dd52..cb809117fa 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -2101,7 +2101,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             if (audioBitRate.HasValue && (string.Equals(audioCodec, "flac", StringComparison.OrdinalIgnoreCase)
                 || string.Equals(audioCodec, "alac", StringComparison.OrdinalIgnoreCase)))
             {
-                if ((audioStream.Channels ?? 0) >= 6)
+                if (inputChannels >= 6)
                 {
                     return Math.Min(3584000, audioBitRate.Value);
                 }
@@ -2110,9 +2110,9 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
 
             // Empty bitrate area is not allow on iOS
-            // Default audio bitrate to 128K if it is not being requested
+            // Default audio bitrate to 128K per channel if it is not being requested
             // https://ffmpeg.org/ffmpeg-codecs.html#toc-Codec-Options
-            return 128000;
+            return 128000 * (outputAudioChannels ?? audioStream.Channels ?? 1);
         }
 
         public string GetAudioFilterParam(EncodingJobInfo state, EncodingOptions encodingOptions)