int route_set_pan_stereo_position (int rid, float left_right_fraction);
int route_set_pan_stereo_width (int rid, float percent);
int route_set_send_gain_abs (int rid, int sid, float val);
int route_set_send_gain_dB (int rid, int sid, float val);
int route_plugin_parameter (int rid, int piid,int par, float val);
int route_plugin_parameter_print (int rid, int piid,int par);
int route_set_pan_stereo_position (int rid, float left_right_fraction);
int route_set_pan_stereo_width (int rid, float percent);
int route_set_send_gain_abs (int rid, int sid, float val);
int route_set_send_gain_dB (int rid, int sid, float val);
int route_plugin_parameter (int rid, int piid,int par, float val);
int route_plugin_parameter_print (int rid, int piid,int par);