.MediaPlayer.Subtitles (gb.media)
This virtual class allows to manage the subtitles provided by a 
MediaPlayer.
This class is virtual.
This class is not creatable.
| Charset | Return or set the encoding to assume if input subtitles are not in UTF-8 encoding. | 
| Count | Return the total number of available subtitle streams. | 
| Current | Return or set the currently playing subtitle stream. | 
| Enabled | Return or set if subtitles rendering is enabled. | 
| Output | Return or set the text output MediaControl to use. | 
| URL | Return or set the currently playing subtitle uri. |