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/types.h"
32 #include "ardour/parameter_descriptor.h"
33 #include "ardour/processor.h"
34 #include "ardour/automation_control.h"
44 /** Plugin inserts: send data through a plugin
46 class LIBARDOUR_API PluginInsert : public Processor
49 PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
52 static const std::string port_automation_node_name;
55 XMLNode& get_state(void);
56 int set_state(const XMLNode&, int version);
57 void update_id (PBD::ID);
58 void set_state_dir (const std::string& d = "");
60 void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
61 void silence (framecnt_t nframes);
67 bool reset_parameters_to_default ();
68 bool can_reset_all_parameters ();
70 int set_block_size (pframes_t nframes);
72 ChanMapping input_map (uint32_t num) const {
73 if (num < _in_map.size()) {
74 return _in_map.find (num)->second;
76 return ChanMapping ();
80 ChanMapping output_map (uint32_t num) const {
81 if (num < _out_map.size()) {
82 return _out_map.find (num)->second;
84 return ChanMapping ();
88 ChanMapping input_map () const;
89 ChanMapping output_map () const;
90 bool has_midi_bypass () const;
92 void set_input_map (uint32_t, ChanMapping);
93 void set_output_map (uint32_t, ChanMapping);
94 bool reset_map (bool emit = true);
96 // these are ports visible on the outside
97 ChanCount output_streams() const;
98 ChanCount input_streams() const;
100 // actual ports of all plugins.
101 // n * natural_i/o or result of reconfigurable i/o
102 ChanCount internal_output_streams() const;
103 ChanCount internal_input_streams() const;
105 // a single plugin's internal i/o
106 ChanCount natural_output_streams() const;
107 ChanCount natural_input_streams() const;
109 // allow to override output_streams(), implies "Custom Mode"
111 // only the owning route may call these (with process lock held)
112 // route is not a friend class, it owns us
113 bool set_count (uint32_t num);
114 void set_outputs (const ChanCount&);
115 void set_strict_io (bool b);
116 void set_custom_cfg (bool b);
117 // end C++ class slavery!
119 uint32_t get_count () const { return _plugins.size(); }
120 bool strict_io () const { return _strict_io; }
121 bool custom_cfg () const { return _custom_cfg; }
123 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
124 bool configure_io (ChanCount in, ChanCount out);
126 bool has_no_inputs() const;
127 bool has_no_audio_inputs() const;
128 bool is_midi_instrument() const;
130 void realtime_handle_transport_stopped ();
131 void realtime_locate ();
132 void monitoring_changed ();
134 /** A control that manipulates a plugin parameter (control port). */
135 struct PluginControl : public AutomationControl
137 PluginControl (PluginInsert* p,
138 const Evoral::Parameter& param,
139 const ParameterDescriptor& desc,
140 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
142 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
143 void set_value_unchecked (double);
144 double get_value (void) const;
145 void catch_up_with_external_value (double val);
146 XMLNode& get_state();
149 PluginInsert* _plugin;
150 void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
153 /** A control that manipulates a plugin property (message). */
154 struct PluginPropertyControl : public AutomationControl
156 PluginPropertyControl (PluginInsert* p,
157 const Evoral::Parameter& param,
158 const ParameterDescriptor& desc,
159 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
161 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
162 void set_value_unchecked (double);
163 double get_value (void) const;
164 XMLNode& get_state();
167 PluginInsert* _plugin;
171 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
172 if (num < _plugins.size()) {
173 return _plugins[num];
175 return _plugins[0]; // we always have one
181 std::string describe_parameter (Evoral::Parameter param);
183 framecnt_t signal_latency () const;
185 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
187 void collect_signal_for_analysis (framecnt_t nframes);
189 bool strict_io_configured () const {
190 return _match.strict_io;
193 bool splitting () const {
194 return _match.method == Split;
197 void configured_io (ChanCount &in, ChanCount &out) const {
199 out = _configured_out;
202 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
203 PBD::Signal0<void> PluginIoReConfigure;
204 PBD::Signal0<void> PluginMapChanged;
205 PBD::Signal0<void> PluginConfigChanged;
207 /** Enumeration of the ways in which we can match our insert's
208 * IO to that of the plugin(s).
210 enum MatchingMethod {
211 Impossible, ///< we can't
212 Delegate, ///< we are delegating to the plugin, and it can handle it
213 NoInputs, ///< plugin has no inputs, so anything goes
214 ExactMatch, ///< our insert's inputs are the same as the plugin's
215 Replicate, ///< we have multiple instances of the plugin
216 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
217 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
220 /** Description of how we can match our plugin's IO to our own insert IO */
222 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
223 Match (MatchingMethod m, int32_t p,
224 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
225 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
227 MatchingMethod method; ///< method to employ
228 int32_t plugins; ///< number of copies of the plugin that we need
229 ChanCount hide; ///< number of channels to hide
230 bool strict_io; ///< force in == out
231 bool custom_cfg; ///< custom config (if not strict)
235 /* disallow copy construction */
236 PluginInsert (const PluginInsert&);
238 void parameter_changed_externally (uint32_t, float);
240 void set_parameter (Evoral::Parameter param, float val);
242 float default_parameter_value (const Evoral::Parameter& param);
244 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
247 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
249 framecnt_t _signal_analysis_collected_nframes;
250 framecnt_t _signal_analysis_collect_nframes_max;
252 BufferSet _signal_analysis_inputs;
253 BufferSet _signal_analysis_outputs;
255 ChanCount _configured_in;
256 ChanCount _configured_out;
257 ChanCount _custom_out;
263 bool _maps_from_state;
265 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
266 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
268 /** details of the match currently being used */
271 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
273 PinMappings _out_map;
275 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
276 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
278 void create_automatable_parameters ();
279 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
280 void set_parameter_state_2X (const XMLNode& node, int version);
281 void set_control_ids (const XMLNode&, int version);
283 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
284 void add_plugin (boost::shared_ptr<Plugin>);
286 void start_touch (uint32_t param_id);
287 void end_touch (uint32_t param_id);
290 } // namespace ARDOUR
292 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
294 #endif /* __ardour_plugin_insert_h__ */