2 files changed, 5 insertions, 4 deletions
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncodingUtils.cs b/MediaBrowser.MediaEncoding/Encoder/EncodingUtils.cs
index 082ae2888..63310fdf6 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncodingUtils.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncodingUtils.cs
@@ -1,5 +1,6 @@
 #pragma warning disable CS1591
 
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
@@ -48,7 +49,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         /// <returns>System.String.</returns>
         private static string GetFileInputArgument(string path)
         {
-            if (path.IndexOf("://") != -1)
+            if (path.IndexOf("://", StringComparison.Ordinal) != -1)
             {
                 return string.Format(CultureInfo.InvariantCulture, "\"{0}\"", path);
             }
@@ -67,7 +68,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         private static string NormalizePath(string path)
         {
             // Quotes are valid path characters in linux and they need to be escaped here with a leading \
-            return path.Replace("\"", "\\\"");
+            return path.Replace("\"", "\\\"", StringComparison.Ordinal);
         }
     }
 }
diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
index b9a6432ad..7449e4a62 100644
--- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
@@ -377,7 +377,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             var args = extractChapters
                 ? "{0} -i {1} -threads 0 -v warning -print_format json -show_streams -show_chapters -show_format"
                 : "{0} -i {1} -threads 0 -v warning -print_format json -show_streams -show_format";
-            args = string.Format(args, probeSizeArgument, inputPath).Trim();
+            args = string.Format(CultureInfo.InvariantCulture, args, probeSizeArgument, inputPath).Trim();
 
             var process = new Process
             {
@@ -856,7 +856,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             // https://ffmpeg.org/ffmpeg-filters.html#Notes-on-filtergraph-escaping
             // We need to double escape
 
-            return path.Replace('\\', '/').Replace(":", "\\:").Replace("'", "'\\\\\\''");
+            return path.Replace('\\', '/').Replace(":", "\\:", StringComparison.Ordinal).Replace("'", "'\\\\\\''", StringComparison.Ordinal);
         }
 
         /// <inheritdoc />