From 39cd3dcbd11c8e0ef58a9ba4bbb3c9bfccd6950f Mon Sep 17 00:00:00 2001
From: gnattu <gnattu@users.noreply.github.com>
Date: Mon, 3 Feb 2025 16:54:36 -0500
Subject: [PATCH] Backport pull request #13127 from jellyfin/release-10.10.z

Fallback to lossy audio codec for bitrate limit

Original-merge: 65f722f23c781d6346741589a681b8b00579fc8a

Merged-by: crobibero <cody@robibe.ro>

Backported-by: Bond_009 <bond.009@outlook.com>
---
 Jellyfin.Api/Helpers/StreamingHelpers.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Jellyfin.Api/Helpers/StreamingHelpers.cs b/Jellyfin.Api/Helpers/StreamingHelpers.cs
index 1923393cbc..c4c3a992f8 100644
--- a/Jellyfin.Api/Helpers/StreamingHelpers.cs
+++ b/Jellyfin.Api/Helpers/StreamingHelpers.cs
@@ -235,6 +235,11 @@ public static class StreamingHelpers
                     state.VideoRequest.MaxHeight = resolution.MaxHeight;
                 }
             }
+
+            if (!EncodingHelper.IsCopyCodec(state.OutputAudioCodec) && string.Equals(state.AudioStream.Codec, state.OutputAudioCodec, StringComparison.OrdinalIgnoreCase) && state.OutputAudioBitrate.HasValue)
+            {
+                state.OutputAudioCodec = state.SupportedAudioCodecs.Where(c => !EncodingHelper.LosslessAudioCodecs.Contains(c)).FirstOrDefault(mediaEncoder.CanEncodeToAudioCodec);
+            }
         }
 
         var ext = string.IsNullOrWhiteSpace(state.OutputContainer)