Use extension methods

MediaBrowser.Controller/Extensions/ConfigurationExtensions.cs

@@ -22,7 +22,7 @@ namespace MediaBrowser.Controller.Extensions
         /// </summary>
         /// <param name="configuration">This configuration.</param>
         /// <returns>The FFmpeg probe size option.</returns>
-        public static string GetProbeSize(this IConfiguration configuration)
+        public static string GetFFmpegProbeSize(this IConfiguration configuration)
             => configuration[FfmpegProbeSizeKey];
 
         /// <summary>
@@ -30,7 +30,7 @@ namespace MediaBrowser.Controller.Extensions
         /// </summary>
         /// <param name="configuration">This configuration.</param>
         /// <returns>The FFmpeg analyse duration option.</returns>
-        public static string GetAnalyzeDuration(this IConfiguration configuration)
+        public static string GetFFmpegAnalyzeDuration(this IConfiguration configuration)
             => configuration[FfmpegAnalyzeDurationKey];
     }
 }

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -6,6 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading;
 using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Extensions;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Dto;
@@ -2049,10 +2050,10 @@ namespace MediaBrowser.Controller.MediaEncoding
         }
 
         public string GetProbeSizeArgument(int numInputFiles)
-            => numInputFiles > 1 ? "-probesize " + _configuration["FFmpeg:probesize"] : string.Empty;
+            => numInputFiles > 1 ? "-probesize " + _configuration.GetFFmpegProbeSize() : string.Empty;
 
         public string GetAnalyzeDurationArgument(int numInputFiles)
-            => numInputFiles > 1 ? "-analyzeduration " + _configuration["FFmpeg:analyzeduration"] : string.Empty;
+            => numInputFiles > 1 ? "-analyzeduration " + _configuration.GetFFmpegAnalyzeDuration() : string.Empty;
 
         public string GetInputModifier(EncodingJobInfo state, EncodingOptions encodingOptions)
         {