Move FfmpegException to MediaBrowser.Common

MediaBrowser.Common/FfmpegException.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace MediaBrowser.MediaEncoding
+namespace MediaBrowser.Common
 {
     /// <summary>
     /// Represents errors that occur during interaction with FFmpeg.

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -12,6 +12,7 @@ using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Extensions.Json;
+using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Configuration;

MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs

@@ -11,6 +11,7 @@ using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;