From 65bb8ecd2bafa8a7a13997b83868717a38bed728 Mon Sep 17 00:00:00 2001
From: Jonas Kamsker <11245306+JKamsker@users.noreply.github.com>
Date: Tue, 4 Jan 2022 16:05:40 +0100
Subject: [PATCH] Added string escape for DemuxConcatArgument

Fixes issue when source files have a ``'`` in their path

Former-commit-id: 21d1df824f54d311d2ce9e3b9e60d208687f370b
---
 FFMpegCore/FFMpeg/Arguments/DemuxConcatArgument.cs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/FFMpegCore/FFMpeg/Arguments/DemuxConcatArgument.cs b/FFMpegCore/FFMpeg/Arguments/DemuxConcatArgument.cs
index c672c74..47564f9 100644
--- a/FFMpegCore/FFMpeg/Arguments/DemuxConcatArgument.cs
+++ b/FFMpegCore/FFMpeg/Arguments/DemuxConcatArgument.cs
@@ -16,8 +16,17 @@ public class DemuxConcatArgument : IInputArgument
         public readonly IEnumerable<string> Values;
         public DemuxConcatArgument(IEnumerable<string> values)
         {
-            Values = values.Select(value => $"file '{value}'");
+            Values = values.Select(value => $"file '{Escape(value)}'");
         }
+
+        /// <summary>
+        /// Thanks slhck
+        /// https://superuser.com/a/787651/1089628
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        private string Escape(string value) => value.Replace("'", @"'\''");
+        
         private readonly string _tempFileName = Path.Combine(GlobalFFOptions.Current.TemporaryFilesFolder, $"concat_{Guid.NewGuid()}.txt");
 
         public void Pre() => File.WriteAllLines(_tempFileName, Values);