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.
20 #ifndef __ardour_redirect_h__
21 #define __ardour_redirect_h__
27 #include <boost/shared_ptr.hpp>
28 #include <sigc++/signal.h>
30 #include <glibmm/thread.h>
34 #include <ardour/ardour.h>
35 #include <ardour/io.h>
36 #include <ardour/automation_event.h>
49 class Redirect : public IO
52 static const string state_node_name;
54 Redirect (Session&, const string& name, Placement,
55 int input_min = -1, int input_max = -1, int output_min = -1, int output_max = -1);
56 Redirect (const Redirect&);
59 static boost::shared_ptr<Redirect> clone (boost::shared_ptr<const Redirect>);
61 bool active () const { return _active; }
62 void set_active (bool yn, void *src);
64 virtual ChanCount output_streams() const { return n_outputs(); }
65 virtual ChanCount input_streams () const { return n_inputs(); }
66 virtual ChanCount natural_output_streams() const { return n_outputs(); }
67 virtual ChanCount natural_input_streams () const { return n_inputs(); }
69 uint32_t sort_key() const { return _sort_key; }
70 void set_sort_key (uint32_t key);
72 Placement placement() const { return _placement; }
73 void set_placement (Placement, void *src);
75 virtual void run (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) = 0;
76 virtual void activate () = 0;
77 virtual void deactivate () = 0;
78 virtual nframes_t latency() { return 0; }
80 virtual void set_block_size (nframes_t nframes) {}
82 sigc::signal<void,Redirect*,void*> active_changed;
83 sigc::signal<void,Redirect*,void*> placement_changed;
84 sigc::signal<void,Redirect*,bool> AutomationPlaybackChanged;
85 sigc::signal<void,Redirect*,uint32_t> AutomationChanged;
87 static sigc::signal<void,Redirect*> RedirectCreated;
89 XMLNode& state (bool full);
90 XMLNode& get_state (void);
91 int set_state (const XMLNode&);
93 void *get_gui () const { return _gui; }
94 void set_gui (void *p) { _gui = p; }
96 virtual string describe_parameter (uint32_t which);
97 virtual float default_parameter_value (uint32_t which) {
101 void what_has_automation (set<uint32_t>&) const;
102 void what_has_visible_automation (set<uint32_t>&) const;
103 const set<uint32_t>& what_can_be_automated () const { return can_automate_list; }
105 void mark_automation_visible (uint32_t, bool);
107 AutomationList& automation_list (uint32_t);
108 bool find_next_event (nframes_t, nframes_t, ControlEvent&) const;
110 virtual void transport_stopped (nframes_t frame) {};
113 /* children may use this stuff as they see fit */
115 map<uint32_t,AutomationList*> parameter_automation;
116 set<uint32_t> visible_parameter_automation;
118 mutable Glib::Mutex _automation_lock;
120 void can_automate (uint32_t);
121 set<uint32_t> can_automate_list;
123 virtual void automation_list_creation_callback (uint32_t, AutomationList&) {}
125 int set_automation_state (const XMLNode&);
126 XMLNode& get_automation_state ();
130 Placement _placement;
132 void* _gui; /* generic, we don't know or care what this is */
134 int old_set_automation_state (const XMLNode&);
135 int load_automation (std::string path);
138 } // namespace ARDOUR
140 #endif /* __ardour_redirect_h__ */