From b0c8aa0a1462156ecee8c7cab4467206f3ee4f50 Mon Sep 17 00:00:00 2001
From: niksedk <nikse.dk@gmail.com>
Date: Wed, 3 Nov 2021 14:30:52 +0100
Subject: [PATCH] Ignore insane hours in TTML 1 - thx snakeLo :) Related to
 #5442

---
 src/libse/SubtitleFormats/TimedText10.cs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/libse/SubtitleFormats/TimedText10.cs b/src/libse/SubtitleFormats/TimedText10.cs
index 826b6d246..2e2b8de48 100644
--- a/src/libse/SubtitleFormats/TimedText10.cs
+++ b/src/libse/SubtitleFormats/TimedText10.cs
@@ -1033,6 +1033,7 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
             return string.Empty;
         }
 
+        private static Regex _endsWithTreeDigits = new Regex(@"\d\d\d$");
         private static bool IsFrames(string timeCode)
         {
             if (timeCode.Length == 12 && (timeCode[8] == '.' || timeCode[8] == ',')) // 00:00:08.292 or 00:00:08,292
@@ -1045,6 +1046,11 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
                 return false;
             }
 
+            if (_endsWithTreeDigits.IsMatch(timeCode))
+            {
+                return false;
+            }
+
             return true;
         }
 
@@ -1287,7 +1293,14 @@ namespace Nikse.SubtitleEdit.Core.SubtitleFormats
                 Configuration.Settings.SubtitleSettings.TimedText10TimeCodeFormatSource = "frames";
                 return new TimeCode(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]), FramesToMillisecondsMax999(int.Parse(parts[3])));
             }
-            return new TimeCode(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]), parts.Length > 3 ? int.Parse(parts[3]) : 0);
+
+            var hours = int.Parse(parts[0]);
+            if (hours > 99)
+            {
+                hours = 0;
+            }
+
+            return new TimeCode(hours, int.Parse(parts[1]), int.Parse(parts[2]), parts.Length > 3 ? int.Parse(parts[3]) : 0);
         }
 
         public override List<string> AlternateExtensions => new List<string> { ".itt", ".dfxp", ".ttml" };