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/types.h"
31 #include "ardour/parameter_descriptor.h"
32 #include "ardour/processor.h"
33 #include "ardour/automation_control.h"
43 /** Plugin inserts: send data through a plugin
45 class LIBARDOUR_API PluginInsert : public Processor
48 PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
51 static const std::string port_automation_node_name;
54 XMLNode& get_state(void);
55 int set_state(const XMLNode&, int version);
56 void update_id (PBD::ID);
58 void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
59 void silence (framecnt_t nframes);
65 bool reset_parameters_to_default ();
66 bool can_reset_all_parameters ();
68 int set_block_size (pframes_t nframes);
70 ChanCount output_streams() const;
71 ChanCount input_streams() const;
72 ChanCount natural_output_streams() const;
73 ChanCount natural_input_streams() const;
75 bool set_count (uint32_t num);
76 uint32_t get_count () const { return _plugins.size(); }
78 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
79 bool configure_io (ChanCount in, ChanCount out);
81 bool has_no_inputs() const;
82 bool has_no_audio_inputs() const;
83 bool is_midi_instrument() const;
85 void realtime_handle_transport_stopped ();
86 void realtime_locate ();
87 void monitoring_changed ();
89 /** A control that manipulates a plugin parameter (control port). */
90 struct PluginControl : public AutomationControl
92 PluginControl (PluginInsert* p,
93 const Evoral::Parameter& param,
94 const ParameterDescriptor& desc,
95 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
97 void set_value (double val);
98 void set_value_unchecked (double);
99 double get_value (void) const;
100 void catch_up_with_external_value (double val);
101 XMLNode& get_state();
104 PluginInsert* _plugin;
107 /** A control that manipulates a plugin property (message). */
108 struct PluginPropertyControl : public AutomationControl
110 PluginPropertyControl (PluginInsert* p,
111 const Evoral::Parameter& param,
112 const ParameterDescriptor& desc,
113 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
115 void set_value (const Variant& val);
116 void set_value (double val);
117 void set_value_unchecked (double);
118 double get_value (void) const;
119 XMLNode& get_state();
122 PluginInsert* _plugin;
126 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
127 if (num < _plugins.size()) {
128 return _plugins[num];
130 return _plugins[0]; // we always have one
136 std::string describe_parameter (Evoral::Parameter param);
138 framecnt_t signal_latency () const;
140 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
142 void collect_signal_for_analysis (framecnt_t nframes);
144 bool splitting () const {
145 return _match.method == Split;
148 void configured_io (ChanCount &in, ChanCount &out) { in = _configured_in; out = _configured_out; }
150 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
151 PBD::Signal0<void> PluginIoReConfigure;
153 /** Enumeration of the ways in which we can match our insert's
154 * IO to that of the plugin(s).
156 enum MatchingMethod {
157 Impossible, ///< we can't
158 Delegate, ///< we are delegating to the plugin, and it can handle it
159 NoInputs, ///< plugin has no inputs, so anything goes
160 ExactMatch, ///< our insert's inputs are the same as the plugin's
161 Replicate, ///< we have multiple instances of the plugin
162 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
163 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
167 /* disallow copy construction */
168 PluginInsert (const PluginInsert&);
170 void parameter_changed_externally (uint32_t, float);
172 void set_parameter (Evoral::Parameter param, float val);
174 float default_parameter_value (const Evoral::Parameter& param);
176 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
179 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
181 framecnt_t _signal_analysis_collected_nframes;
182 framecnt_t _signal_analysis_collect_nframes_max;
184 BufferSet _signal_analysis_inputs;
185 BufferSet _signal_analysis_outputs;
187 ChanCount midi_bypass;
189 ChanCount _configured_in;
190 ChanCount _configured_out;
192 /** Description of how we can match our plugin's IO to our own insert IO */
194 Match () : method (Impossible), plugins (0) {}
195 Match (MatchingMethod m, int32_t p, ChanCount h = ChanCount ()) : method (m), plugins (p), hide (h) {}
197 MatchingMethod method; ///< method to employ
198 int32_t plugins; ///< number of copies of the plugin that we need
199 ChanCount hide; ///< number of channels to hide
202 Match private_can_support_io_configuration (ChanCount const &, ChanCount &);
204 /** details of the match currently being used */
207 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
208 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
210 void create_automatable_parameters ();
211 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
212 void set_parameter_state_2X (const XMLNode& node, int version);
213 void set_control_ids (const XMLNode&, int version);
215 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
216 void add_plugin (boost::shared_ptr<Plugin>);
218 void start_touch (uint32_t param_id);
219 void end_touch (uint32_t param_id);
222 } // namespace ARDOUR
224 #endif /* __ardour_plugin_insert_h__ */