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);
95 // these are ports visible on the outside
96 ChanCount output_streams() const;
97 ChanCount input_streams() const;
99 // actual ports of all plugins.
100 // n * natural_i/o or result of reconfigurable i/o
101 ChanCount internal_output_streams() const;
102 ChanCount internal_input_streams() const;
104 // a single plugin's internal i/o
105 ChanCount natural_output_streams() const;
106 ChanCount natural_input_streams() const;
108 // allow to override output_streams(), implies "Custom Mode"
110 // only the owning route may call these (with process lock held)
111 // route is not a friend class, it owns us
112 bool set_count (uint32_t num);
113 void set_outputs (const ChanCount&);
114 void set_strict_io (bool b) { _strict_io = b; }
115 void set_custom_cfg (bool b) { _custom_cfg = b; }
116 // end C++ class slavery!
118 uint32_t get_count () const { return _plugins.size(); }
119 bool strict_io () const { return _strict_io; }
120 bool custom_cfg () const { return _custom_cfg; }
122 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
123 bool configure_io (ChanCount in, ChanCount out);
125 bool has_no_inputs() const;
126 bool has_no_audio_inputs() const;
127 bool is_midi_instrument() const;
129 void realtime_handle_transport_stopped ();
130 void realtime_locate ();
131 void monitoring_changed ();
133 /** A control that manipulates a plugin parameter (control port). */
134 struct PluginControl : public AutomationControl
136 PluginControl (PluginInsert* p,
137 const Evoral::Parameter& param,
138 const ParameterDescriptor& desc,
139 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
141 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
142 void set_value_unchecked (double);
143 double get_value (void) const;
144 void catch_up_with_external_value (double val);
145 XMLNode& get_state();
148 PluginInsert* _plugin;
149 void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
152 /** A control that manipulates a plugin property (message). */
153 struct PluginPropertyControl : public AutomationControl
155 PluginPropertyControl (PluginInsert* p,
156 const Evoral::Parameter& param,
157 const ParameterDescriptor& desc,
158 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
160 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
161 void set_value_unchecked (double);
162 double get_value (void) const;
163 XMLNode& get_state();
166 PluginInsert* _plugin;
170 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
171 if (num < _plugins.size()) {
172 return _plugins[num];
174 return _plugins[0]; // we always have one
180 std::string describe_parameter (Evoral::Parameter param);
182 framecnt_t signal_latency () const;
184 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
186 void collect_signal_for_analysis (framecnt_t nframes);
188 bool no_inplace () const {
189 return _pending_no_inplace;
192 void set_no_inplace (bool b) { // XXX tenative dev API
193 _pending_no_inplace = b; // TODO detect automatically
196 bool strict_io_configured () const {
197 return _match.strict_io;
200 bool splitting () const {
201 return _match.method == Split;
204 void configured_io (ChanCount &in, ChanCount &out) const {
206 out = _configured_out;
209 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
210 PBD::Signal0<void> PluginIoReConfigure;
211 PBD::Signal0<void> PluginMapChanged;
213 /** Enumeration of the ways in which we can match our insert's
214 * IO to that of the plugin(s).
216 enum MatchingMethod {
217 Impossible, ///< we can't
218 Delegate, ///< we are delegating to the plugin, and it can handle it
219 NoInputs, ///< plugin has no inputs, so anything goes
220 ExactMatch, ///< our insert's inputs are the same as the plugin's
221 Replicate, ///< we have multiple instances of the plugin
222 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
223 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
226 /** Description of how we can match our plugin's IO to our own insert IO */
228 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
229 Match (MatchingMethod m, int32_t p,
230 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
231 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
233 MatchingMethod method; ///< method to employ
234 int32_t plugins; ///< number of copies of the plugin that we need
235 ChanCount hide; ///< number of channels to hide
236 bool strict_io; ///< force in == out
237 bool custom_cfg; ///< custom config (if not strict)
241 /* disallow copy construction */
242 PluginInsert (const PluginInsert&);
244 void parameter_changed_externally (uint32_t, float);
246 void set_parameter (Evoral::Parameter param, float val);
248 float default_parameter_value (const Evoral::Parameter& param);
250 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
253 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
255 framecnt_t _signal_analysis_collected_nframes;
256 framecnt_t _signal_analysis_collect_nframes_max;
258 BufferSet _signal_analysis_inputs;
259 BufferSet _signal_analysis_outputs;
261 ChanCount _configured_in;
262 ChanCount _configured_out;
263 ChanCount _custom_out;
269 bool _pending_no_inplace;
271 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
272 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
274 /** details of the match currently being used */
277 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
279 PinMappings _out_map;
281 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
282 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
284 void create_automatable_parameters ();
285 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
286 void set_parameter_state_2X (const XMLNode& node, int version);
287 void set_control_ids (const XMLNode&, int version);
289 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
290 void add_plugin (boost::shared_ptr<Plugin>);
292 void start_touch (uint32_t param_id);
293 void end_touch (uint32_t param_id);
296 } // namespace ARDOUR
298 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
300 #endif /* __ardour_plugin_insert_h__ */