2 Copyright (C) 2000,2007 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_plugin_insert_h__
21 #define __ardour_plugin_insert_h__
26 #include <boost/weak_ptr.hpp>
28 #include "ardour/ardour.h"
29 #include "ardour/libardour_visibility.h"
30 #include "ardour/chan_mapping.h"
31 #include "ardour/io.h"
32 #include "ardour/types.h"
33 #include "ardour/parameter_descriptor.h"
34 #include "ardour/processor.h"
35 #include "ardour/sidechain.h"
36 #include "ardour/automation_control.h"
46 /** Plugin inserts: send data through a plugin
48 class LIBARDOUR_API PluginInsert : public Processor
51 PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
54 static const std::string port_automation_node_name;
57 XMLNode& get_state(void);
58 int set_state(const XMLNode&, int version);
59 void update_id (PBD::ID);
60 void set_state_dir (const std::string& d = "");
62 void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
63 void silence (framecnt_t nframes);
69 bool reset_parameters_to_default ();
70 bool can_reset_all_parameters ();
72 int set_block_size (pframes_t nframes);
74 ChanMapping input_map (uint32_t num) const {
75 if (num < _in_map.size()) {
76 return _in_map.find (num)->second;
78 return ChanMapping ();
82 ChanMapping output_map (uint32_t num) const {
83 if (num < _out_map.size()) {
84 return _out_map.find (num)->second;
86 return ChanMapping ();
90 ChanMapping thru_map () const {
94 ChanMapping input_map () const; ///< combined (all instances) input map
95 ChanMapping output_map () const; ///< combined (all instances) output map
96 bool has_midi_bypass () const;
97 bool has_midi_thru () const;
100 bool is_channelstrip () const;
103 void set_input_map (uint32_t, ChanMapping);
104 void set_output_map (uint32_t, ChanMapping);
105 void set_thru_map (ChanMapping);
106 bool reset_map (bool emit = true);
107 bool sanitize_maps ();
108 bool check_inplace ();
110 // these are ports visible on the outside
111 ChanCount output_streams() const;
112 ChanCount input_streams() const;
113 ChanCount internal_streams() const; // with side-chain
115 // actual ports of all plugins.
116 // n * natural_i/o or result of reconfigurable i/o
117 ChanCount internal_output_streams() const;
118 ChanCount internal_input_streams() const;
120 // a single plugin's internal i/o
121 ChanCount natural_output_streams() const;
122 ChanCount natural_input_streams() const;
124 /** plugin ports marked as sidechain */
125 ChanCount sidechain_input_pins() const;
127 /** Plugin-Insert IO sidechain ports */
128 ChanCount sidechain_input_ports() const {
130 return _sidechain->input ()->n_ports ();
136 // allow to override output_streams(), implies "Custom Mode"
138 // only the owning route may call these (with process lock held)
139 // route is not a friend class, it owns us
140 bool set_count (uint32_t num);
141 void set_outputs (const ChanCount&);
142 void set_strict_io (bool b);
143 void set_custom_cfg (bool b);
144 bool add_sidechain (uint32_t n_audio = 1);
145 bool del_sidechain ();
146 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
147 // end C++ class slavery!
149 uint32_t get_count () const { return _plugins.size(); }
150 bool strict_io () const { return _strict_io; }
151 bool custom_cfg () const { return _custom_cfg; }
153 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
154 bool configure_io (ChanCount in, ChanCount out);
156 bool has_no_inputs() const;
157 bool has_no_audio_inputs() const;
158 bool is_midi_instrument() const;
160 void realtime_handle_transport_stopped ();
161 void realtime_locate ();
162 void monitoring_changed ();
164 /** A control that manipulates a plugin parameter (control port). */
165 struct PluginControl : public AutomationControl
167 PluginControl (PluginInsert* p,
168 const Evoral::Parameter& param,
169 const ParameterDescriptor& desc,
170 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
172 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
173 void set_value_unchecked (double);
174 double get_value (void) const;
175 void catch_up_with_external_value (double val);
176 XMLNode& get_state();
179 PluginInsert* _plugin;
180 void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
183 /** A control that manipulates a plugin property (message). */
184 struct PluginPropertyControl : public AutomationControl
186 PluginPropertyControl (PluginInsert* p,
187 const Evoral::Parameter& param,
188 const ParameterDescriptor& desc,
189 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
191 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
192 void set_value_unchecked (double);
193 double get_value (void) const;
194 XMLNode& get_state();
197 PluginInsert* _plugin;
201 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
202 if (num < _plugins.size()) {
203 return _plugins[num];
205 return _plugins[0]; // we always have one
209 bool has_sidechain () const {
210 return _sidechain ? true : false;
213 boost::shared_ptr<IO> sidechain_input () const {
215 return _sidechain->input ();
217 return boost::shared_ptr<IO> ();
222 std::string describe_parameter (Evoral::Parameter param);
224 framecnt_t signal_latency () const;
226 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
228 void collect_signal_for_analysis (framecnt_t nframes);
230 bool strict_io_configured () const {
231 return _match.strict_io;
234 bool splitting () const {
235 return _match.method == Split;
238 void configured_io (ChanCount &in, ChanCount &out) const {
240 out = _configured_out;
243 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
244 PBD::Signal0<void> PluginIoReConfigure;
245 PBD::Signal0<void> PluginMapChanged;
246 PBD::Signal0<void> PluginConfigChanged;
248 /** Enumeration of the ways in which we can match our insert's
249 * IO to that of the plugin(s).
251 enum MatchingMethod {
252 Impossible, ///< we can't
253 Delegate, ///< we are delegating to the plugin, and it can handle it
254 NoInputs, ///< plugin has no inputs, so anything goes
255 ExactMatch, ///< our insert's inputs are the same as the plugin's
256 Replicate, ///< we have multiple instances of the plugin
257 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
258 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
261 /** Description of how we can match our plugin's IO to our own insert IO */
263 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
264 Match (MatchingMethod m, int32_t p,
265 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
266 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
268 MatchingMethod method; ///< method to employ
269 int32_t plugins; ///< number of copies of the plugin that we need
270 ChanCount hide; ///< number of channels to hide
271 bool strict_io; ///< force in == out
272 bool custom_cfg; ///< custom config (if not strict)
276 /* disallow copy construction */
277 PluginInsert (const PluginInsert&);
279 void parameter_changed_externally (uint32_t, float);
281 void set_parameter (Evoral::Parameter param, float val);
283 float default_parameter_value (const Evoral::Parameter& param);
285 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
288 boost::shared_ptr<SideChain> _sidechain;
290 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
292 framecnt_t _signal_analysis_collected_nframes;
293 framecnt_t _signal_analysis_collect_nframes_max;
295 BufferSet _signal_analysis_inputs;
296 BufferSet _signal_analysis_outputs;
298 ChanCount _configured_in;
299 ChanCount _configured_internal; // with side-chain
300 ChanCount _configured_out;
301 ChanCount _custom_out;
302 ChanCount _cached_sidechain_pins;
308 bool _maps_from_state;
309 bool _mapping_changed;
311 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
312 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
314 /** details of the match currently being used */
317 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
319 PinMappings _out_map;
320 ChanMapping _thru_map; // out-idx <= in-idx
322 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
323 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
325 void create_automatable_parameters ();
326 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
327 void set_parameter_state_2X (const XMLNode& node, int version);
328 void set_control_ids (const XMLNode&, int version);
330 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
331 void add_plugin (boost::shared_ptr<Plugin>);
333 void start_touch (uint32_t param_id);
334 void end_touch (uint32_t param_id);
337 } // namespace ARDOUR
339 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
341 #endif /* __ardour_plugin_insert_h__ */