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 class Redirect : public IO
53 static const string state_node_name;
55 Redirect (Session&, const string& name, Placement,
56 int input_min = -1, int input_max = -1, int output_min = -1, int output_max = -1);
57 Redirect (const Redirect&);
60 static boost::shared_ptr<Redirect> clone (boost::shared_ptr<const Redirect>);
62 bool active () const { return _active; }
63 void set_active (bool yn, void *src);
65 virtual uint32_t output_streams() const { return n_outputs(); }
66 virtual uint32_t input_streams () const { return n_inputs(); }
67 virtual uint32_t natural_output_streams() const { return n_outputs(); }
68 virtual uint32_t natural_input_streams () const { return n_inputs(); }
70 uint32_t sort_key() const { return _sort_key; }
71 void set_sort_key (uint32_t key);
73 Placement placement() const { return _placement; }
74 void set_placement (Placement, void *src);
76 virtual void run (vector<Sample *>& ibufs, uint32_t nbufs, nframes_t nframes, nframes_t offset) = 0;
77 virtual void activate () = 0;
78 virtual void deactivate () = 0;
79 virtual nframes_t latency() { return 0; }
81 virtual void set_block_size (nframes_t nframes) {}
83 sigc::signal<void,Redirect*,void*> active_changed;
84 sigc::signal<void,Redirect*,void*> placement_changed;
85 sigc::signal<void,Redirect*,bool> AutomationPlaybackChanged;
86 sigc::signal<void,Redirect*,uint32_t> AutomationChanged;
88 static sigc::signal<void,Redirect*> RedirectCreated;
90 XMLNode& state (bool full);
91 XMLNode& get_state (void);
92 int set_state (const XMLNode&);
94 void *get_gui () const { return _gui; }
95 void set_gui (void *p) { _gui = p; }
97 virtual string describe_parameter (uint32_t which);
98 virtual float default_parameter_value (uint32_t which) {
102 void what_has_automation (set<uint32_t>&) const;
103 void what_has_visible_automation (set<uint32_t>&) const;
104 const set<uint32_t>& what_can_be_automated () const { return can_automate_list; }
106 void mark_automation_visible (uint32_t, bool);
108 AutomationList& automation_list (uint32_t);
109 bool find_next_event (nframes_t, nframes_t, ControlEvent&) const;
111 virtual void transport_stopped (nframes_t frame) {};
114 void set_placement (const string&, void *src);
116 /* children may use this stuff as they see fit */
118 map<uint32_t,AutomationList*> parameter_automation;
119 set<uint32_t> visible_parameter_automation;
121 mutable Glib::Mutex _automation_lock;
123 void can_automate (uint32_t);
124 set<uint32_t> can_automate_list;
126 virtual void automation_list_creation_callback (uint32_t, AutomationList&) {}
128 int set_automation_state (const XMLNode&);
129 XMLNode& get_automation_state ();
133 Placement _placement;
135 void* _gui; /* generic, we don't know or care what this is */
137 int old_set_automation_state (const XMLNode&);
138 int load_automation (std::string path);
141 } // namespace ARDOUR
143 #endif /* __ardour_redirect_h__ */