update wmv param

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -313,7 +313,7 @@ namespace MediaBrowser.Api.Playback
             // asf/wmv
             if (videoCodec.Equals("wmv2", StringComparison.OrdinalIgnoreCase))
             {
-                return "-g 100 -qmax 15";
+                return "-qmin 2";
             }
 
             if (videoCodec.Equals("libx264", StringComparison.OrdinalIgnoreCase))