From cfbecdfa9c9a7a059ecf78c49d908e73fa369990 Mon Sep 17 00:00:00 2001
From: Malte Rosenbjerg <rosenbjerg@users.noreply.github.com>
Date: Thu, 24 Mar 2022 21:15:28 +0100
Subject: [PATCH] Handle null dictionaries

Former-commit-id: 1c851dc3ff7085d6c09f94f477ed5b05e1539835
---
 FFMpegCore/FFProbe/MediaAnalysis.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/FFMpegCore/FFProbe/MediaAnalysis.cs b/FFMpegCore/FFProbe/MediaAnalysis.cs
index 3ecdacd..b5f9c34 100644
--- a/FFMpegCore/FFProbe/MediaAnalysis.cs
+++ b/FFMpegCore/FFProbe/MediaAnalysis.cs
@@ -114,9 +114,9 @@ public static class MediaAnalysisUtils
     {
         private static readonly Regex DurationRegex = new Regex(@"^(\d+):(\d{1,2}):(\d{1,2})\.(\d{1,3})", RegexOptions.Compiled);
 
-        internal static Dictionary<string, string> ToCaseInsensitive(this Dictionary<string, string> dictionary)
+        internal static Dictionary<string, string>? ToCaseInsensitive(this Dictionary<string, string>? dictionary)
         {
-            return dictionary.ToDictionary(tag => tag.Key, tag => tag.Value, StringComparer.OrdinalIgnoreCase);
+            return dictionary?.ToDictionary(tag => tag.Key, tag => tag.Value, StringComparer.OrdinalIgnoreCase) ?? new Dictionary<string, string>();
         }
         public static double DivideRatio((double, double) ratio) => ratio.Item1 / ratio.Item2;