From f1b16c495ceaaf60c82b28c2933906ed108432a1 Mon Sep 17 00:00:00 2001
From: VoidX <voidxb@gmail.com>
Date: Wed, 29 Jan 2025 17:22:59 +0100
Subject: [PATCH] Workaround for 127 character MKV track titles

---
 Cavern.Format/Container/Matroska/MatroskaTreeWriter.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Cavern.Format/Container/Matroska/MatroskaTreeWriter.cs b/Cavern.Format/Container/Matroska/MatroskaTreeWriter.cs
index 7aa17b0e..bac542dd 100644
--- a/Cavern.Format/Container/Matroska/MatroskaTreeWriter.cs
+++ b/Cavern.Format/Container/Matroska/MatroskaTreeWriter.cs
@@ -97,6 +97,9 @@ public void Write(int tag, float value) {
         /// </summary>
         public void Write(int tag, string value) {
             VarInt.WriteTag(writer, tag);
+            if (value.Length == 127) {
+                value += ' '; // This specific length breaks FFmpeg/libavcodec for some reason
+            }
             VarInt.Write(writer, value.Length);
             writer.Write(Encoding.ASCII.GetBytes(value));
         }