osc.h

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/*
 * Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2009 David Robillard <d@drobilla.net>
 * Copyright (C) 2013-2016 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2015 Johannes Mueller <github@johannes-mueller.org>
 * Copyright (C) 2016-2018 Len Ovens <len@ovenwerks.net>
 * Copyright (C) 2016 Ben Loftis <ben@harrisonconsoles.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef ardour_osc_h
#define ardour_osc_h
 
#include <bitset>
#include <memory>
#include <string>
#include <vector>
 
#include <pthread.h>
 
#include <lo/lo.h>
 
#include <glibmm/main.h>
 
#define ABSTRACT_UI_EXPORTS
#include "pbd/abstract_ui.h"
 
#include "ardour/types.h"
#include "ardour/send.h"
#include "ardour/plugin.h"
#include "control_protocol/control_protocol.h"
 
#include "pbd/i18n.h"
 
 
class OSCControllable;
class OSCRouteObserver;
class OSCSelectObserver;
class OSCCueObserver;
 
namespace ARDOUR {
class Session;
class Route;
class ZeroConf;
}
 
/* this is mostly a placeholder because I suspect that at some
   point we will want to add more members to accommodate
   certain types of requests to the OSC UI
*/
 
namespace ArdourSurface {
 
class OSCGlobalObserver;
 
struct OSCUIRequest : public BaseUI::BaseRequestObject {
  public:
        OSCUIRequest () {}
        ~OSCUIRequest() {}
};
 
class OSC : public ARDOUR::ControlProtocol, public AbstractUI<OSCUIRequest>
{
  public:
        OSC (ARDOUR::Session&, uint32_t port);
        virtual ~OSC();
 
        XMLNode& get_state () const;
        int set_state (const XMLNode&, int version);
 
        void stripable_selection_changed () {}
 
        bool has_editor () const { return true; }
        void* get_gui () const;
        void  tear_down_gui ();
 
        int set_active (bool yn);
        bool get_active () const;
 
        // generic osc send
        PBD::Mutex _lo_lock;
        int float_message (std::string, float value, lo_address addr);
        int int_message (std::string, int value, lo_address addr);
        int text_message (std::string path, std::string val, lo_address addr);
        int float_message_with_id (std::string, uint32_t ssid, float value, bool in_line, lo_address addr);
        int int_message_with_id (std::string, uint32_t ssid, int value, bool in_line, lo_address addr);
        int text_message_with_id (std::string path, uint32_t ssid, std::string val, bool in_line, lo_address addr);
 
        int send_group_list (lo_address addr);
 
        int start ();
        int stop ();
 
        enum OSCDebugMode {
                Off,
                Unhandled,
                All
        };
 
        enum OSCTempMode {
                TempOff = 0,
                GroupOnly = 1,
                VCAOnly = 2,
                BusOnly = 3
        };
 
        typedef std::vector<std::shared_ptr<ARDOUR::Stripable> > Sorted;
        Sorted get_sorted_stripables(std::bitset<32> types, bool cue, uint32_t custom, Sorted my_list);
        typedef std::map<std::shared_ptr<ARDOUR::AutomationControl>, uint32_t> FakeTouchMap;
        FakeTouchMap _touch_timeout;
 
// keep a surface's global setup by remote server url
        struct OSCSurface {
        public:
                //global
                std::string remote_url;         // the url these setting belong to
                bool no_clear;                          // don't send osc clear messages on strip change
                uint32_t jogmode;                       // current jogmode
                OSCGlobalObserver* global_obs;  // pointer to this surface's global observer
                uint32_t nstrips;                       // how many strips are there for strip_types
                std::bitset<32> feedback;       // What is fed back? strips/meters/timecode/bar_beat/global
                int gainmode;                           // what kind of faders do we have Gain db or position 0 to 1?
                PBD::Controllable::GroupControlDisposition usegroup;    // current group disposition
                Sorted custom_strips;           // a sorted list of user selected strips
                uint32_t custom_mode;           // use custom strip list
                OSCTempMode temp_mode;          // use temp strip list
                Sorted temp_strips;                     // temp strip list for grouponly, vcaonly, auxonly
                std::shared_ptr<ARDOUR::Stripable> temp_master; // stripable this surface uses as temp master
                Sorted strips;                          // list of stripables for this surface
                // strips
                uint32_t bank;                          // current bank
                uint32_t bank_size;                     // size of banks for this surface
                std::vector<OSCRouteObserver*> observers;       // route observers for this surface
                std::bitset<32> strip_types;// what strip types are a part of this bank
                //select
                OSCSelectObserver* sel_obs;     // So we can sync select feedback with selected channel
                uint32_t expand;                        // Used by /select/select
                bool expand_enable;                     // use expand instead of select
                std::shared_ptr<ARDOUR::Stripable> expand_strip; // stripable this surface uses for expand
                std::shared_ptr<ARDOUR::Stripable> select; // stripable this surface uses as selected
                int plug_page;                          // current plugin page
                uint32_t plug_page_size;        // plugin page size (number of controls)
                int plugin_id;                  // id of current plugin
                std::vector<int> plug_params; // vector to store ports that are controls
                std::vector<int> plugins;       // stores allowable plugins with index (work around MB strip PIs)
                int send_page;                          // current send page
                uint32_t send_page_size;        // send page size in channels
                uint32_t nsends;                        // number of sends select has
                PBD::ScopedConnection proc_connection; // for processor signal monitoring
                // cue
                bool cue;                                       // is this a cue surface
                uint32_t aux;                           // aux index for this cue surface
                Sorted sends;                           // list of sends for cue aux
                OSCCueObserver* cue_obs;        // pointer to this surface's cue observer
                uint32_t linkset;                       // ID of a set of surfaces used as one
                uint32_t linkid;                        // ID of this surface within a linkset
        };
                /*
                 * feedback bits:
                 * [0] - Strips - buttons
                 * [1] - Strips - variables (pots/faders)
                 * [2] - Strips - Send SSID as path extension
                 * [3] - Send heart beat to surface
                 * [4] - Send feedback for master/global buttons/variables
                 * [5] - Send Bar and Beat
                 * [6] - Send Time code
                 * [7] - Send metering as dB or positional depending on gainmode
                 * [8] - Send metering as 16 bits (led strip)
                 * [9] - Send signal present (signal greater than -20dB)
                 * [10] - Send Playhead position as samples
                 * [11] - Send Playhead position as minutes seconds
                 * [12] - Send Playhead position like primary/secondary GUI clocks
                 * [13] - Send well known feedback (for /select/command
                 * [14] - use OSC 1.0 only (#reply -> /reply)
                 * [15] - report 8x8 trigger grid status
                 * [16] - report mixer scene status
                 *
                 * Strip_type bits:
                 * [0] - Audio Tracks
                 * [1] - Midi Tracks
                 * [2] - Audio Bus
                 * [3] - Midi Bus
                 * [4] - VCAs
                 * [5] - master
                 * [6] - Monitor
                 * [7] - Listen Bus
                 * [8] - Selected
                 * [9] - Hidden
                 * [10] - Use Groups
                 * [11] - Global Expand
                 */
 
// storage for  each surface's settings
        mutable PBD::Mutex surfaces_lock;
        typedef std::vector<OSCSurface> Surface;
        Surface _surface;
 
// linked surfaces
        struct LinkSet {
        public:
                std::vector<std::string> urls;  //urls of linked surfaces
                uint32_t banksize;                              // linkset banksize
                uint32_t bank;                                  // linkset current bank
                bool autobank;                                  // banksize is derived from total
                uint32_t not_ready;                             // number of 1st device, 0 = ready
                Sorted custom_strips;                   // a sorted list of user selected strips
                uint32_t custom_mode;                   // use custom strip list
                OSCTempMode temp_mode;                  // use custom strip list
                Sorted temp_strips;                             // temp strip list for grouponly, vcaonly, auxonly
                std::shared_ptr<ARDOUR::Stripable> temp_master; // temp master stripable
                std::bitset<32> strip_types;    // strip_types for this linkset
                Sorted strips;                                  // list of valid strips in order for this set
        };
 
        std::map<uint32_t, LinkSet> link_sets;
         // list of linksets
 
        struct PortAdd {
        public:
                std::string host;
                std::string port;
        };
 
        std::vector<PortAdd> _ports;
 
// GUI calls
        std::string get_server_url ();
        void set_debug_mode (OSCDebugMode m) { _debugmode = m; }
        OSCDebugMode get_debug_mode () { return _debugmode; }
        int get_portmode() { return address_only; }
        void set_portmode (int pm) { address_only = pm; }
        int get_banksize () { return default_banksize; }
        void set_banksize (int bs) {default_banksize = bs; }
        int get_gainmode() { return default_gainmode; }
        void set_gainmode (int gm) { default_gainmode = gm; }
        int get_defaultstrip() { return default_strip; }
        void set_defaultstrip (int st) { default_strip = st; }
        int get_defaultfeedback() { return default_feedback; }
        void set_defaultfeedback (int fb) { default_feedback = fb; }
        int get_send_size() { return default_send_size; }
        void set_send_size (int ss) { default_send_size = ss; }
        int get_plugin_size() { return default_plugin_size; }
        void set_plugin_size (int ps) { default_plugin_size = ps; }
        void clear_devices ();
        void gui_changed ();
        void get_surfaces ();
        std::string get_remote_port () { return remote_port; }
        void set_remote_port (std::string pt) { remote_port = pt; }
 
        CONTROL_PROTOCOL_THREADS_NEED_TEMPO_MAP_DECL();
 
        int trigger_bank_state (lo_address addr);
        int trigger_grid_state (lo_address addr, bool zero_it = false);
 
        int mixer_scene_state (lo_address addr, bool zero_it = false);
 
  protected:
        void thread_init ();
        void do_request (OSCUIRequest*);
 
        GSource* local_server;
        GSource* remote_server;
 
        bool osc_input_handler (Glib::IOCondition, lo_server);
 
  private:
        uint32_t _port;
        volatile bool _ok;
        volatile bool _shutdown;
        lo_server _osc_server;
        lo_server _osc_unix_server;
        std::string _osc_unix_socket_path;
        std::string _osc_url_file;
        OSCDebugMode _debugmode;
        bool address_only;
        std::string remote_port;
        uint32_t default_banksize;
        uint32_t default_strip;
        uint32_t default_feedback;
        uint32_t default_gainmode;
        uint32_t default_send_size;
        uint32_t default_plugin_size;
        bool tick;
        bool bank_dirty;
        bool observer_busy;
        float scrub_speed;              // Current scrub speed
        double scrub_place;             // place of play head at latest jog/scrub wheel tick
        int64_t scrub_time;             // when did the wheel move last?
        bool global_init;
        std::shared_ptr<ARDOUR::Stripable> _select;     // which stripable out of /surface/stripables is gui selected
 
        ARDOUR::ZeroConf* _zeroconf;
 
        void register_callbacks ();
 
        void route_added (ARDOUR::RouteList&);
 
        // Handlers for "Application Hook" signals
        void session_loaded (ARDOUR::Session&);
        void session_exported (std::string, std::string);
 
        // end "Application Hook" handles
 
        std::string get_unix_server_url ();
        lo_address get_address (lo_message msg);
        std::string get_port (std::string host);
        OSCSurface * get_surface (lo_address addr, bool quiet = false);
        int check_surface (lo_message msg);
        uint32_t get_sid (std::shared_ptr<ARDOUR::Stripable> strip, lo_address addr);
        std::shared_ptr<ARDOUR::Stripable> get_strip (uint32_t ssid, lo_address addr);
        void global_feedback (OSCSurface* sur);
        void strip_feedback (OSCSurface* sur, bool new_bank_size);
        void surface_destroy (OSCSurface* sur);
        uint32_t bank_limits_check (uint32_t bank, uint32_t size, uint32_t total);
        void bank_leds (OSCSurface* sur);
 
        void send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg);
        void current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg);
 
        int current_value (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
 
        int catchall (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg);
        static int _catchall (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data);
 
        int set_automation (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int touch_detect (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int fake_touch (std::shared_ptr<ARDOUR::AutomationControl> ctrl);
 
        int spill (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
 
        int route_get_sends (lo_message msg);
        int route_get_receives(lo_message msg);
        void routes_list (lo_message msg);
        int group_list (lo_message msg);
        void surface_list (lo_message msg);
        void transport_sample (lo_message msg);
        void transport_speed (lo_message msg);
        void record_enabled (lo_message msg);
 
        void add_marker_name(const std::string &markername) {
                add_marker(markername);
        }
 
        int goto_marker(const char* types, lo_arg **argv, int argc, lo_message msg);
        int rename_marker_at_playhead(char *n, lo_message msg);
        int rename_marker(char *on, char *nn, lo_message msg);
 
        // cue
        Sorted cue_get_sorted_stripables(std::shared_ptr<ARDOUR::Stripable> aux, uint32_t id, lo_address);
        int cue_parse (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int cue_set (uint32_t aux, lo_message msg);
        int _cue_set (uint32_t aux, lo_address addr);
        int cue_new_aux (std::string name, std::string dest_1, std::string dest_2, uint32_t count, lo_message msg);
        int cue_new_send (std::string rt_name, lo_message msg);
        int cue_connect_aux (std::string dest, lo_message msg);
        int cue_next (lo_message msg);
        int cue_previous (lo_message msg);
        int cue_send_fader (uint32_t id, float position, lo_message msg);
        int cue_send_enable (uint32_t id, float state, lo_message msg);
        int cue_aux_fader (float position, lo_message msg);
        int cue_aux_mute (float state, lo_message msg);
        void cue_set_aux (uint32_t aux, lo_message msg);
        std::shared_ptr<ARDOUR::Send> cue_get_send (uint32_t id, lo_address addr);
        // end cue
 
        // link
        LinkSet * get_linkset (uint32_t set, lo_address addr);
        int parse_link (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int link_check (uint32_t linkset);
        int set_link (uint32_t set, uint32_t id, lo_address addr);
        void surface_link_state (LinkSet * set);
        void link_strip_types (uint32_t linkset, uint32_t striptypes);
 
#define OSC_DEBUG \
        if (_debugmode == All) { \
                debugmsg (dgettext(PACKAGE, "OSC"), path, types, argv, argc); \
        }
 
#define PATH_CALLBACK_MSG(name) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 0 && !strcmp (types, "f") && argv[0]->f != 1.0) { return 0; } \
                name (msg); \
                return 0; \
        }
 
        PATH_CALLBACK_MSG(route_get_sends);
        PATH_CALLBACK_MSG(route_get_receives);
        PATH_CALLBACK_MSG(routes_list);
        PATH_CALLBACK_MSG(group_list);
        PATH_CALLBACK_MSG(sel_previous);
        PATH_CALLBACK_MSG(sel_next);
        PATH_CALLBACK_MSG(surface_list);
        PATH_CALLBACK_MSG(transport_sample);
        PATH_CALLBACK_MSG(transport_speed);
        PATH_CALLBACK_MSG(record_enabled);
        PATH_CALLBACK_MSG(refresh_surface);
        PATH_CALLBACK_MSG(bank_up);
        PATH_CALLBACK_MSG(bank_down);
        PATH_CALLBACK_MSG(custom_clear);
 
#define PATH_CALLBACK(name) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg ** argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                check_surface (msg); \
                if (argc > 0 && !strcmp (types, "f") && argv[0]->f != 1.0) { return 0; } \
                name (); \
                return 0; \
        }
 
        PATH_CALLBACK(add_marker);
        PATH_CALLBACK(loop_toggle);
        PATH_CALLBACK(goto_start);
        PATH_CALLBACK(goto_end);
        PATH_CALLBACK(rewind);
        PATH_CALLBACK(ffwd);
        PATH_CALLBACK(transport_stop);
        PATH_CALLBACK(transport_play);
        PATH_CALLBACK(save_state);
        PATH_CALLBACK(prev_marker);
        PATH_CALLBACK(next_marker);
        PATH_CALLBACK(undo);
        PATH_CALLBACK(redo);
        PATH_CALLBACK(toggle_punch_in);
        PATH_CALLBACK(toggle_punch_out);
        PATH_CALLBACK(rec_enable_toggle);
        PATH_CALLBACK(toggle_all_rec_enables);
        PATH_CALLBACK(all_tracks_rec_in);
        PATH_CALLBACK(all_tracks_rec_out);
        PATH_CALLBACK(cancel_all_solos);
        PATH_CALLBACK(remove_marker_at_playhead);
        PATH_CALLBACK(mark_in);
        PATH_CALLBACK(mark_out);
        PATH_CALLBACK(toggle_click);
        PATH_CALLBACK(midi_panic);
        PATH_CALLBACK(stop_forget);
        PATH_CALLBACK(set_punch_range);
        PATH_CALLBACK(set_loop_range);
        PATH_CALLBACK(set_session_range);
        PATH_CALLBACK(toggle_monitor_mute);
        PATH_CALLBACK(toggle_monitor_dim);
        PATH_CALLBACK(toggle_monitor_mono);
        PATH_CALLBACK(quick_snapshot_stay);
        PATH_CALLBACK(quick_snapshot_switch);
        PATH_CALLBACK(fit_1_track);
        PATH_CALLBACK(fit_2_tracks);
        PATH_CALLBACK(fit_4_tracks);
        PATH_CALLBACK(fit_8_tracks);
        PATH_CALLBACK(fit_16_tracks);
        PATH_CALLBACK(fit_32_tracks);
        PATH_CALLBACK(fit_all_tracks);
        PATH_CALLBACK(zoom_100_ms);
        PATH_CALLBACK(zoom_1_sec);
        PATH_CALLBACK(zoom_10_sec);
        PATH_CALLBACK(zoom_1_min);
        PATH_CALLBACK(zoom_5_min);
        PATH_CALLBACK(zoom_10_min);
        PATH_CALLBACK(zoom_to_session);
        PATH_CALLBACK(temporal_zoom_in);
        PATH_CALLBACK(temporal_zoom_out);
        PATH_CALLBACK(scroll_up_1_track);
        PATH_CALLBACK(scroll_dn_1_track);
        PATH_CALLBACK(scroll_up_1_page);
        PATH_CALLBACK(scroll_dn_1_page);
 
#define PATH_CALLBACK1(name,type,optional) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                check_surface (msg); \
                if (argc > 0) { \
                        name (optional argv[0]->type); \
                } \
                return 0; \
        }
 
        PATH_CALLBACK1(trigger_cue_row,i,);
        PATH_CALLBACK1(trigger_stop_all,i,);  //0 = "stop at end of bar"  1 = "stop now"
 
        PATH_CALLBACK1(store_mixer_scene,i,);
        PATH_CALLBACK1(apply_mixer_scene,i,);
 
        PATH_CALLBACK1(set_transport_speed,f,);
        PATH_CALLBACK1(add_marker_name,s,&);
        PATH_CALLBACK1(access_action,s,&);
 
        PATH_CALLBACK1(jump_by_bars,f,);
        PATH_CALLBACK1(jump_by_seconds,f,);
        PATH_CALLBACK1(click_level,f,);
 
#define PATH_CALLBACK1_MSG(name,arg1type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 0) { \
                        name (argv[0]->arg1type, msg); \
                } \
                return 0; \
        }
 
#define PATH_CALLBACK1_MSG_s(name,arg1type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 0) { \
                        name (&argv[0]->arg1type, msg); \
                } \
                return 0; \
        }
 
        PATH_CALLBACK1_MSG(osc_tbank_step_routes,i);
        PATH_CALLBACK1_MSG(osc_tbank_step_rows,i);
 
        PATH_CALLBACK1_MSG(scrub,f);
        PATH_CALLBACK1_MSG(jog,f);
        PATH_CALLBACK1_MSG(jog_mode,f);
        PATH_CALLBACK1_MSG(bank_delta,f);
        PATH_CALLBACK1_MSG(use_group,f);
        PATH_CALLBACK1_MSG_s(name_session,s);
        PATH_CALLBACK1_MSG_s(rename_marker_at_playhead,s);
        PATH_CALLBACK1_MSG_s(sel_new_personal_send,s);
        PATH_CALLBACK1_MSG(sel_master_send_enable,i);
        PATH_CALLBACK1_MSG(sel_pan_elevation,f);
        PATH_CALLBACK1_MSG(sel_pan_frontback,f);
        PATH_CALLBACK1_MSG(sel_pan_lfe,f);
        PATH_CALLBACK1_MSG(sel_send_page,f);
        PATH_CALLBACK1_MSG(sel_plug_page,f);
        PATH_CALLBACK1_MSG(sel_plugin,f);
        PATH_CALLBACK1_MSG(sel_plugin_activate,f);
        PATH_CALLBACK1_MSG(sel_comp_enable,f);
        PATH_CALLBACK1_MSG(sel_comp_threshold,f);
        PATH_CALLBACK1_MSG(sel_comp_mode,f);
        PATH_CALLBACK1_MSG(sel_comp_makeup,f);
        PATH_CALLBACK1_MSG(sel_eq_enable,f);
        PATH_CALLBACK1_MSG(sel_eq_hpf_freq,f);
        PATH_CALLBACK1_MSG(sel_eq_hpf_enable,f);
        PATH_CALLBACK1_MSG(sel_eq_hpf_slope,f);
        PATH_CALLBACK1_MSG(sel_eq_lpf_freq,f);
        PATH_CALLBACK1_MSG(sel_eq_lpf_enable,f);
        PATH_CALLBACK1_MSG(sel_eq_lpf_slope,f);
        PATH_CALLBACK1_MSG(sel_expand,i);
        PATH_CALLBACK1_MSG(custom_mode,f);
 
#define PATH_CALLBACK2(name,arg1type,arg2type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                check_surface (msg); \
                if (argc > 1) { \
                        name (argv[0]->arg1type, argv[1]->arg2type); \
                } \
                return 0; \
        }
 
#define PATH_CALLBACK2_MSG(name,arg1type,arg2type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 1) { \
                        name (argv[0]->arg1type, argv[1]->arg2type, msg); \
                } \
                return 0; \
        }
 
#define PATH_CALLBACK2_MSG_s(name,arg1type,arg2type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 1) { \
                        name (argv[0]->arg1type, &argv[1]->arg2type, msg); \
                } \
                return 0; \
        }
 
#define PATH_CALLBACK2_MSG_s_s(name,arg1type,arg2type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 1) { \
                        name (&argv[0]->arg1type, &argv[1]->arg2type, msg); \
                } \
                return 0; \
        }
 
#define PATH_CALLBACK3(name,arg1type,arg2type,arg3type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 1) { \
                        name (argv[0]->arg1type, argv[1]->arg2type,argv[2]->arg3type, msg); \
                } \
                return 0; \
        }
 
#define PATH_CALLBACK4(name,arg1type,arg2type,arg3type,arg4type) \
        static int _ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data) { \
                return static_cast<OSC*>(user_data)->cb_ ## name (path, types, argv, argc, msg); \
        } \
        int cb_ ## name (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg) { \
                OSC_DEBUG; \
                if (argc > 1) { \
                        name (argv[0]->arg1type, argv[1]->arg2type,argv[2]->arg3type,argv[3]->arg4type, msg); \
                } \
                return 0; \
        }
 
        PATH_CALLBACK2_MSG(sel_sendgain,i,f);
        PATH_CALLBACK2_MSG(sel_sendfader,i,f);
        PATH_CALLBACK2_MSG(sel_sendenable,i,f);
        PATH_CALLBACK2_MSG(sel_eq_gain,i,f);
        PATH_CALLBACK2_MSG(sel_eq_freq,i,f);
        PATH_CALLBACK2_MSG(sel_eq_q,i,f);
        PATH_CALLBACK2_MSG(sel_eq_shape,i,f);
 
        PATH_CALLBACK2(locate,i,i);
        PATH_CALLBACK2(loop_location,i,i);
        PATH_CALLBACK3(route_set_send_gain_dB,i,i,f);
        PATH_CALLBACK3(route_set_send_fader,i,i,f);
        PATH_CALLBACK3(route_set_send_enable,i,i,f);
        PATH_CALLBACK4(route_plugin_parameter,i,i,i,f);
        PATH_CALLBACK3(route_plugin_parameter_print,i,i,i);
        PATH_CALLBACK2_MSG(route_plugin_activate,i,i);
        PATH_CALLBACK2_MSG(route_plugin_deactivate,i,i);
        PATH_CALLBACK1_MSG(route_plugin_list,i);
        PATH_CALLBACK2_MSG(route_plugin_descriptor,i,i);
        PATH_CALLBACK2_MSG(route_plugin_reset,i,i);
 
        PATH_CALLBACK2(tbank_set_size,i,i);
 
        PATH_CALLBACK2_MSG(trigger_bang,i,i);
        PATH_CALLBACK2_MSG(trigger_unbang,i,i);
        PATH_CALLBACK2_MSG(trigger_stop,i,i);  /* second arg is 'stop now' */
 
        PATH_CALLBACK2_MSG_s_s(rename_marker,s,s);
 
        int strip_parse (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int master_parse (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int monitor_parse (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int _strip_parse (const char *path, const char *sub_path, const char* types, lo_arg **argv, int argc, std::shared_ptr<ARDOUR::Stripable> s, int param_1, bool strp, lo_message msg);
        int strip_state (const char *path, std::shared_ptr<ARDOUR::Stripable> s, int ssid, lo_message msg);
        int strip_list (lo_message msg);
        int _strip_select (std::shared_ptr<ARDOUR::Stripable> s, lo_address addr);
        int _strip_select2 (std::shared_ptr<ARDOUR::Stripable> s, OSCSurface *sur, lo_address addr);
 
        void loop_location (int start, int end);
 
        int route_set_send_gain_dB (int rid, int sid, float val, lo_message msg);
        int route_set_send_fader (int rid, int sid, float val, lo_message msg);
        int route_set_send_enable (int rid, int sid, float val, lo_message msg);
        int route_plugin_parameter (int rid, int piid,int par, float val, lo_message msg);
        int route_plugin_parameter_print (int rid, int piid,int par, lo_message msg);
        int route_plugin_activate (int rid, int piid, lo_message msg);
        int route_plugin_deactivate (int rid, int piid, lo_message msg);
        int route_plugin_list(int ssid, lo_message msg);
        int route_plugin_descriptor(int ssid, int piid, lo_message msg);
        int route_plugin_reset(int ssid, int piid, lo_message msg);
 
        int trigger_bang(int rid, int stop_now, lo_message msg);
        int trigger_unbang(int rid, int stop_now, lo_message msg);
        int trigger_stop(int rid, int row_id, lo_message msg);
 
        //banking functions
        int set_bank (uint32_t bank_start, lo_message msg);
        int _set_bank (uint32_t bank_start, lo_address addr);
        int bank_up (lo_message msg);
        int bank_delta (float delta, lo_message msg);
        int use_group (float value, lo_message msg);
        int bank_down (lo_message msg);
        // surface set up
        int surface_parse (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int set_surface (uint32_t b_size, uint32_t strips, uint32_t fb, uint32_t gmode, uint32_t se_size, uint32_t pi_size, lo_message msg);
        int set_surface_bank_size (uint32_t bs, lo_message msg);
        int set_surface_strip_types (uint32_t st, lo_message msg);
        int set_surface_feedback (uint32_t fb, lo_message msg);
        int set_surface_gainmode (uint32_t gm, lo_message msg);
        int set_surface_port (uint32_t po, lo_message msg);
        int refresh_surface (lo_message msg);
        int custom_clear (lo_message msg);
        int custom_mode (float state, lo_message msg);
        int _custom_mode (uint32_t state, lo_address addr);
        int name_session (char *n, lo_message msg);
        // select
        int select_parse (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        int sel_send_pagesize (uint32_t size, lo_message msg);
        int sel_send_page (int page, lo_message msg);
        int sel_plug_pagesize (uint32_t size, lo_message msg);
        int sel_plug_page (int page, lo_message msg);
        int sel_plugin (int delta, lo_message msg);
        int _sel_plugin (int id, lo_address addr);
        int sel_plugin_activate (float state, lo_message msg);
        int select_plugin_parameter (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        void processor_changed (std::string remote_url);
 
        int scrub (float delta, lo_message msg);
        int jog (float delta, lo_message msg);
        int jog_mode (float mode, lo_message msg);
        int click_level (float position);
        int sel_previous (lo_message msg);
        int sel_next (lo_message msg);
        int sel_delta (int delta, lo_message msg);
        std::shared_ptr<ARDOUR::Send> get_send (std::shared_ptr<ARDOUR::Stripable> st, lo_address addr);
        int sel_sendgain (int id, float dB, lo_message msg);
        int sel_sendfader (int id, float pos, lo_message msg);
        int sel_sendenable (int id, float pos, lo_message msg);
        int sel_master_send_enable (int state, lo_message msg);
        int sel_expand (uint32_t state, lo_message msg);
        int sel_pan_elevation (float val, lo_message msg);
        int sel_pan_frontback (float val, lo_message msg);
        int sel_pan_lfe (float val, lo_message msg);
        int sel_comp_enable (float val, lo_message msg);
        int sel_comp_threshold (float val, lo_message msg);
        int sel_comp_mode (float val, lo_message msg);
        int sel_comp_makeup (float val, lo_message msg);
        int sel_eq_enable (float val, lo_message msg);
        int sel_eq_hpf_freq (float val, lo_message msg);
        int sel_eq_hpf_enable (float val, lo_message msg);
        int sel_eq_hpf_slope (float val, lo_message msg);
        int sel_eq_lpf_freq (float val, lo_message msg);
        int sel_eq_lpf_enable (float val, lo_message msg);
        int sel_eq_lpf_slope (float val, lo_message msg);
        int sel_eq_gain (int id, float val, lo_message msg);
        int sel_eq_freq (int id, float val, lo_message msg);
        int sel_eq_q (int id, float val, lo_message msg);
        int sel_eq_shape (int id, float val, lo_message msg);
        int sel_new_personal_send (char *n, lo_message msg);
        int set_temp_mode (lo_address addr);
        int parse_sel_group (const char *path, const char* types, lo_arg **argv, int argc, lo_message msg);
        std::shared_ptr<ARDOUR::VCA> get_vca_by_name (std::string vname);
 
        void listen_to_route (std::shared_ptr<ARDOUR::Stripable>, lo_address);
 
        void route_name_changed (const PBD::PropertyChange&, std::weak_ptr<ARDOUR::Route> r, lo_address addr);
        void recalcbanks ();
        void _recalcbanks ();
        void notify_routes_added (ARDOUR::RouteList &);
        void notify_vca_added (ARDOUR::VCAList &);
 
        int osc_tbank_step_routes (int step, lo_message msg);
        int osc_tbank_step_rows (int step, lo_message msg);
 
        int cancel_all_solos ();
        int osc_toggle_roll (bool ret2strt);
        bool periodic (void);
        sigc::connection periodic_connection;
        PBD::ScopedConnectionList session_connections;
 
        void debugmsg (const char *prefix, const char *path, const char* types, lo_arg **argv, int argc);
 
        mutable void *gui;
        void build_gui ();
};
 
} // namespace
 
#endif // ardour_osc_h