2 Copyright (C) 2000-2002 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_route_h__
22 #define __ardour_route_h__
30 #include <boost/shared_ptr.hpp>
32 #include <pbd/fastlog.h>
33 #include <glibmm/thread.h>
34 #include <pbd/xml++.h>
36 #include <pbd/stateful.h>
37 #include <pbd/controllable.h>
38 #include <pbd/destructible.h>
40 #include <ardour/ardour.h>
41 #include <ardour/io.h>
42 #include <ardour/session.h>
43 #include <ardour/redirect.h>
44 #include <ardour/types.h>
59 class Route : public IO
63 typedef list<boost::shared_ptr<Redirect> > RedirectList;
73 Route (Session&, std::string name, int input_min, int input_max, int output_min, int output_max,
74 Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
76 Route (Session&, const XMLNode&);
79 std::string comment() { return _comment; }
80 void set_comment (std::string str, void *src);
82 long order_key(std::string name) const;
83 void set_order_key (std::string name, long n);
85 bool hidden() const { return _flags & Hidden; }
86 bool master() const { return _flags & MasterOut; }
87 bool control() const { return _flags & ControlOut; }
89 /* these are the core of the API of a Route. see the protected sections as well */
92 virtual int roll (nframes_t nframes, nframes_t start_frame, nframes_t end_frame,
93 nframes_t offset, int declick, bool can_record, bool rec_monitors_input);
95 virtual int no_roll (nframes_t nframes, nframes_t start_frame, nframes_t end_frame,
96 nframes_t offset, bool state_changing, bool can_record, bool rec_monitors_input);
98 virtual int silent_roll (nframes_t nframes, nframes_t start_frame, nframes_t end_frame,
99 nframes_t offset, bool can_record, bool rec_monitors_input);
100 virtual void toggle_monitor_input ();
101 virtual bool can_record() { return false; }
102 virtual void set_record_enable (bool yn, void *src) {}
103 virtual bool record_enabled() const { return false; }
104 virtual void handle_transport_stopped (bool abort, bool did_locate, bool flush_redirects);
105 virtual void set_pending_declick (int);
107 /* end of vfunc-based API */
109 /* override IO::set_gain() to provide group control */
111 void set_gain (gain_t val, void *src);
112 void inc_gain (gain_t delta, void *src);
114 bool active() const { return _active; }
115 void set_active (bool yn);
117 void set_solo (bool yn, void *src);
118 bool soloed() const { return _soloed; }
120 void set_solo_safe (bool yn, void *src);
121 bool solo_safe() const { return _solo_safe; }
123 void set_mute (bool yn, void *src);
124 bool muted() const { return _muted; }
126 void set_mute_config (mute_type, bool, void *src);
127 bool get_mute_config (mute_type);
129 void set_edit_group (RouteGroup *, void *);
130 void drop_edit_group (void *);
131 RouteGroup *edit_group () { return _edit_group; }
133 void set_mix_group (RouteGroup *, void *);
134 void drop_mix_group (void *);
135 RouteGroup *mix_group () { return _mix_group; }
137 virtual void set_meter_point (MeterPoint, void *src);
138 MeterPoint meter_point() const { return _meter_point; }
142 void flush_redirects ();
144 template<class T> void foreach_redirect (T *obj, void (T::*func)(boost::shared_ptr<Redirect>)) {
145 Glib::RWLock::ReaderLock lm (redirect_lock);
146 for (RedirectList::iterator i = _redirects.begin(); i != _redirects.end(); ++i) {
151 boost::shared_ptr<Redirect> nth_redirect (uint32_t n) {
152 Glib::RWLock::ReaderLock lm (redirect_lock);
153 RedirectList::iterator i;
154 for (i = _redirects.begin(); i != _redirects.end() && n; ++i, --n);
155 if (i == _redirects.end()) {
156 return boost::shared_ptr<Redirect> ();
162 ChanCount max_redirect_outs () const { return redirect_max_outs; }
164 // FIXME: remove/replace err_streams parameters with something appropriate
165 // they are used by 'wierd_plugin_dialog'(sic) to display the number of input streams
166 // at the insertion point if the insert fails
167 int add_redirect (boost::shared_ptr<Redirect>, void *src, uint32_t* err_streams = 0);
168 int add_redirects (const RedirectList&, void *src, uint32_t* err_streams = 0);
169 int remove_redirect (boost::shared_ptr<Redirect>, void *src, uint32_t* err_streams = 0);
170 int copy_redirects (const Route&, Placement, uint32_t* err_streams = 0);
171 int sort_redirects (uint32_t* err_streams = 0);
173 void clear_redirects (void *src);
174 void all_redirects_flip();
175 void all_redirects_active (bool state);
177 virtual nframes_t update_total_latency();
178 nframes_t signal_latency() const { return _own_latency; }
179 virtual void set_latency_delay (nframes_t);
181 sigc::signal<void,void*> solo_changed;
182 sigc::signal<void,void*> solo_safe_changed;
183 sigc::signal<void,void*> comment_changed;
184 sigc::signal<void,void*> mute_changed;
185 sigc::signal<void,void*> pre_fader_changed;
186 sigc::signal<void,void*> post_fader_changed;
187 sigc::signal<void,void*> control_outs_changed;
188 sigc::signal<void,void*> main_outs_changed;
189 sigc::signal<void,void*> redirects_changed;
190 sigc::signal<void,void*> record_enable_changed;
191 sigc::signal<void,void*> edit_group_changed;
192 sigc::signal<void,void*> mix_group_changed;
193 sigc::signal<void> active_changed;
194 sigc::signal<void,void*> meter_change;
196 /* gui's call this for their own purposes. */
198 sigc::signal<void,std::string,void*> gui_changed;
202 XMLNode& get_state();
203 int set_state(const XMLNode& node);
204 virtual XMLNode& get_template();
206 sigc::signal<void,void*> SelectedChanged;
210 UndoAction get_memento() const;
211 void set_state (state_id_t);
213 int set_control_outs (const vector<std::string>& ports);
214 IO* control_outs() { return _control_outs; }
216 bool feeds (boost::shared_ptr<Route>);
217 set<boost::shared_ptr<Route> > fed_by;
219 struct ToggleControllable : public PBD::Controllable {
225 ToggleControllable (std::string name, Route&, ToggleType);
226 void set_value (float);
227 float get_value (void) const;
233 PBD::Controllable& solo_control() {
234 return _solo_control;
237 PBD::Controllable& mute_control() {
238 return _mute_control;
241 void protect_automation ();
243 void set_remote_control_id (uint32_t id);
244 uint32_t remote_control_id () const;
245 sigc::signal<void> RemoteControlIDChanged;
248 friend class Session;
250 void set_solo_mute (bool yn);
251 void set_block_size (nframes_t nframes);
252 bool has_external_redirects() const;
253 void curve_reallocate ();
256 unsigned char _flags;
258 /* tight cache-line access here is more important than sheer speed of
264 bool _solo_muted : 1;
266 bool _recordable : 1;
268 bool _mute_affects_pre_fader : 1;
269 bool _mute_affects_post_fader : 1;
270 bool _mute_affects_control_outs : 1;
271 bool _mute_affects_main_outs : 1;
273 bool _declickable : 1;
274 int _pending_declick;
276 MeterPoint _meter_point;
280 gain_t desired_solo_gain;
281 gain_t desired_mute_gain;
283 nframes_t check_initial_delay (nframes_t, nframes_t&, nframes_t&);
285 nframes_t _initial_delay;
286 nframes_t _roll_delay;
287 nframes_t _own_latency;
288 RedirectList _redirects;
289 Glib::RWLock redirect_lock;
291 Glib::Mutex control_outs_lock;
292 RouteGroup *_edit_group;
293 RouteGroup *_mix_group;
294 std::string _comment;
295 bool _have_internal_generator;
297 ToggleControllable _solo_control;
298 ToggleControllable _mute_control;
300 void passthru (nframes_t start_frame, nframes_t end_frame,
301 nframes_t nframes, nframes_t offset, int declick, bool meter_inputs);
303 virtual void process_output_buffers (BufferSet& bufs,
304 nframes_t start_frame, nframes_t end_frame,
305 nframes_t nframes, nframes_t offset, bool with_redirects, int declick,
310 virtual XMLNode& state(bool);
312 void passthru_silence (nframes_t start_frame, nframes_t end_frame,
313 nframes_t nframes, nframes_t offset, int declick,
316 void silence (nframes_t nframes, nframes_t offset);
318 sigc::connection input_signal_connection;
320 state_id_t _current_state_id;
321 ChanCount redirect_max_outs;
322 uint32_t _remote_control_id;
324 uint32_t pans_required() const;
325 ChanCount n_process_buffers ();
330 static uint32_t order_key_cnt;
331 typedef std::map<std::string,long> OrderKeys;
332 OrderKeys order_keys;
334 void input_change_handler (IOChange, void *src);
335 void output_change_handler (IOChange, void *src);
337 bool legal_redirect (Redirect&);
338 int reset_plugin_counts (uint32_t*); /* locked */
339 int _reset_plugin_counts (uint32_t*); /* unlocked */
341 /* plugin count handling */
344 boost::shared_ptr<ARDOUR::Insert> insert;
349 InsertCount (boost::shared_ptr<ARDOUR::Insert> ins) : insert (ins), cnt (-1) {}
352 int32_t apply_some_plugin_counts (std::list<InsertCount>& iclist);
353 int32_t check_some_plugin_counts (std::list<InsertCount>& iclist, int32_t required_inputs, uint32_t* err_streams);
355 void set_deferred_state ();
356 void add_redirect_from_xml (const XMLNode&);
357 void redirect_active_proxy (Redirect*, void*);
360 } // namespace ARDOUR
362 #endif /* __ardour_route_h__ */