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 <boost/shared_ptr.hpp>
29 #include <sigc++/signal.h>
31 #include <glibmm/thread.h>
35 #include <ardour/ardour.h>
36 #include <ardour/io.h>
37 #include <ardour/automation_event.h>
50 struct RedirectState : public StateManager::State {
51 RedirectState (string why)
52 : StateManager::State (why) {}
58 class Redirect : public IO
61 static const string state_node_name;
63 Redirect (Session&, const string& name, Placement,
64 int input_min = -1, int input_max = -1, int output_min = -1, int output_max = -1);
65 Redirect (const Redirect&);
68 static boost::shared_ptr<Redirect> clone (boost::shared_ptr<const Redirect>);
70 bool active () const { return _active; }
71 void set_active (bool yn, void *src);
73 virtual ChanCount output_streams() const { return n_outputs(); }
74 virtual ChanCount input_streams () const { return n_inputs(); }
75 virtual ChanCount natural_output_streams() const { return n_outputs(); }
76 virtual ChanCount natural_input_streams () const { return n_inputs(); }
78 uint32_t sort_key() const { return _sort_key; }
79 void set_sort_key (uint32_t key);
81 Placement placement() const { return _placement; }
82 void set_placement (Placement, void *src);
84 virtual void run (BufferSet& bufs, jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t nframes, jack_nframes_t offset) = 0;
85 virtual void activate () = 0;
86 virtual void deactivate () = 0;
87 virtual jack_nframes_t latency() { return 0; }
89 virtual void set_block_size (jack_nframes_t nframes) {}
91 sigc::signal<void,Redirect*,void*> active_changed;
92 sigc::signal<void,Redirect*,void*> placement_changed;
93 sigc::signal<void,Redirect*,bool> AutomationPlaybackChanged;
94 sigc::signal<void,Redirect*,uint32_t> AutomationChanged;
96 static sigc::signal<void,Redirect*> RedirectCreated;
98 XMLNode& state (bool full);
99 XMLNode& get_state (void);
100 int set_state (const XMLNode&);
102 StateManager::State* state_factory (string why) const;
103 Change restore_state (StateManager::State&);
105 void *get_gui () const { return _gui; }
106 void set_gui (void *p) { _gui = p; }
108 virtual string describe_parameter (uint32_t which);
109 virtual float default_parameter_value (uint32_t which) {
113 int load_automation (string path);
114 int save_automation (string path);
116 void what_has_automation (set<uint32_t>&) const;
117 void what_has_visible_automation (set<uint32_t>&) const;
118 const set<uint32_t>& what_can_be_automated () const { return can_automate_list; }
120 void mark_automation_visible (uint32_t, bool);
122 AutomationList& automation_list (uint32_t);
123 bool find_next_event (jack_nframes_t, jack_nframes_t, ControlEvent&) const;
125 virtual void transport_stopped (jack_nframes_t frame) {};
128 void set_placement (const string&, void *src);
130 /* children may use this stuff as they see fit */
132 map<uint32_t,AutomationList*> parameter_automation;
133 set<uint32_t> visible_parameter_automation;
135 mutable Glib::Mutex _automation_lock;
137 void can_automate (uint32_t);
138 set<uint32_t> can_automate_list;
140 void store_state (RedirectState&) const;
142 virtual void automation_list_creation_callback (uint32_t, AutomationList&) {}
146 Placement _placement;
148 void* _gui; /* generic, we don't know or care what this is */
151 } // namespace ARDOUR
153 #endif /* __ardour_redirect_h__ */