2 Copyright (C) 2001 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_redirect_h__
22 #define __ardour_redirect_h__
28 #include <sigc++/signal.h>
30 #include <pbd/lockmonitor.h>
33 #include <ardour/ardour.h>
34 #include <ardour/io.h>
35 #include <ardour/automation_event.h>
48 struct RedirectState : public StateManager::State {
49 RedirectState (string why)
50 : StateManager::State (why) {}
56 class Redirect : public IO
59 static const string state_node_name;
61 Redirect (Session&, const string& name, Placement,
62 int input_min = -1, int input_max = -1, int output_min = -1, int output_max = -1);
63 Redirect (const Redirect&);
66 static Redirect *clone (const Redirect&);
68 bool active () const { return _active; }
69 void set_active (bool yn, void *src);
71 virtual uint32_t output_streams() const { return n_outputs(); }
72 virtual uint32_t input_streams () const { return n_inputs(); }
73 virtual uint32_t natural_output_streams() const { return n_outputs(); }
74 virtual uint32_t natural_input_streams () const { return n_inputs(); }
76 uint32_t sort_key() const { return _sort_key; }
77 void set_sort_key (uint32_t key);
79 Placement placement() const { return _placement; }
80 void set_placement (Placement, void *src);
82 virtual void run (vector<Sample *>& ibufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset) = 0;
83 virtual void activate () = 0;
84 virtual void deactivate () = 0;
85 virtual jack_nframes_t latency() { return 0; }
87 virtual void set_block_size (jack_nframes_t nframes) {}
89 sigc::signal<void,Redirect*,void*> active_changed;
90 sigc::signal<void,Redirect*,void*> placement_changed;
91 sigc::signal<void,Redirect*,bool> AutomationPlaybackChanged;
92 sigc::signal<void,Redirect*,uint32_t> AutomationChanged;
93 sigc::signal<void,Redirect*> GoingAway;
95 static sigc::signal<void,Redirect*> RedirectCreated;
97 XMLNode& state (bool full);
98 XMLNode& get_state (void);
99 int set_state (const XMLNode&);
101 StateManager::State* state_factory (string why) const;
102 Change restore_state (StateManager::State&);
104 void *get_gui () const { return _gui; }
105 void set_gui (void *p) { _gui = p; }
107 virtual string describe_parameter (uint32_t which);
108 virtual float default_parameter_value (uint32_t which) {
112 int load_automation (string path);
113 int save_automation (string path);
115 void what_has_automation (set<uint32_t>&) const;
116 void what_has_visible_automation (set<uint32_t>&) const;
117 const set<uint32_t>& what_can_be_automated () const { return can_automate_list; }
119 void mark_automation_visible (uint32_t, bool);
121 AutomationList& automation_list (uint32_t);
122 bool find_next_event (jack_nframes_t, jack_nframes_t, ControlEvent&) const;
124 virtual void transport_stopped (jack_nframes_t frame) {};
127 void set_placement (const string&, void *src);
129 /* children may use this stuff as they see fit */
131 map<uint32_t,AutomationList*> parameter_automation;
132 set<uint32_t> visible_parameter_automation;
134 mutable PBD::NonBlockingLock _automation_lock;
136 void can_automate (uint32_t);
137 set<uint32_t> can_automate_list;
139 void store_state (RedirectState&) const;
141 virtual void automation_list_creation_callback (uint32_t, AutomationList&) {}
145 Placement _placement;
147 void* _gui; /* generic, we don't know or care what this is */
150 }; /* namespace ARDOUR */
152 #endif /* __ardour_redirect_h__ */