class Properties;
class Filter;
class Frame;
+ class Profile;
class MLTPP_DECLSPEC Service : public Properties
{
int connect_producer( Service &producer, int index = 0 );
Service *consumer( );
Service *producer( );
+ Profile *profile( );
Frame *get_frame( int index = 0 );
mlt_service_type type( );
int attach( Filter &filter );