update default image extraction timeouts

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -931,8 +931,9 @@ namespace MediaBrowser.MediaEncoding.Encoder
                     var timeoutMs = ConfigurationManager.Configuration.ImageExtractionTimeoutMs;
                     if (timeoutMs <= 0)
                     {
-                        timeoutMs = 10000;
+                        timeoutMs = Environment.Is64BitOperatingSystem ? (Environment.ProcessorCount > 2 ? 14000 : 20000) : 40000;
                     }
+
                     ranToCompletion = process.WaitForExit(timeoutMs);
 
                     if (!ranToCompletion)

MediaBrowser.Model/Configuration/ServerConfiguration.cs

@@ -217,7 +217,7 @@ namespace MediaBrowser.Model.Configuration
             Migrations = new string[] { };
             CodecsUsed = new string[] { };
             SqliteCacheSize = 0;
-            ImageExtractionTimeoutMs = 14000;
+            ImageExtractionTimeoutMs = 0;
 
             EnableLocalizedGuids = true;
             DisplaySpecialsWithinSeasons = true;