extern mlt_service mlt_service_producer( mlt_service self );
extern int mlt_service_attach( mlt_service self, mlt_filter filter );
extern int mlt_service_detach( mlt_service self, mlt_filter filter );
+extern void mlt_service_apply_filters( mlt_service self, mlt_frame frame, int index );
extern mlt_filter mlt_service_filter( mlt_service self, int index );
extern void mlt_service_close( mlt_service self );