From 0981bdaceb28749577da94215ba83857d161ed84 Mon Sep 17 00:00:00 2001
From: NetNerd <justin.nn.dlr@gmail.com>
Date: Fri, 1 Feb 2019 03:56:17 +1100
Subject: [PATCH] recognise MP3 Xing headers with 'Info' magic

The header is the same, but used for CBR files by some encoders.
---
 NAudio/FileFormats/Mp3/XingHeader.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/NAudio/FileFormats/Mp3/XingHeader.cs b/NAudio/FileFormats/Mp3/XingHeader.cs
index e6cc67d3..1b87a2ae 100644
--- a/NAudio/FileFormats/Mp3/XingHeader.cs
+++ b/NAudio/FileFormats/Mp3/XingHeader.cs
@@ -91,6 +91,14 @@ public static XingHeader LoadXingHeader(Mp3Frame frame)
                 xingHeader.startOffset = offset;
                 offset += 4;
             }
+            else if ((frame.RawData[offset + 0] == 'I') &&
+                     (frame.RawData[offset + 1] == 'n') &&
+                     (frame.RawData[offset + 2] == 'f') &&
+                     (frame.RawData[offset + 3] == 'o'))
+            {
+                xingHeader.startOffset = offset;
+                offset += 4;
+            }
             else
             {
                 return null;