| MuseDec | Decoder parent abstraction class |
| MuseDecMp3 | Mpeg-1 layer 1,2,3 and Mpeg-2 layer 3 |
| OutChannel | The Output Channel class |
| Pipe | Fast buffered threadsafe FIFO pipe |
| Playlist | Playlist queue |
| Stream_mixer | The Multiple Streaming Engine class |
| Url | Url class (Playlist entry) |
1.3