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=0) const {
73 if (num < _in_map.size()) {
74 return _in_map.find (num)->second;
76 return ChanMapping ();
80 ChanMapping output_map (uint32_t num=0) const {
81 if (num < _out_map.size()) {
82 return _out_map.find (num)->second;
84 return ChanMapping ();
88 #ifndef NDEBUG // prototyping -- this should be done synchroneously in configure_io()
89 void set_input_map (uint32_t num, ChanMapping m) {
90 if (num < _in_map.size()) {
94 void set_output_map (uint32_t num, ChanMapping m) {
95 if (num < _in_map.size()) {
101 ChanCount output_streams() const;
102 ChanCount input_streams() const;
103 ChanCount natural_output_streams() const;
104 ChanCount natural_input_streams() const;
106 bool set_count (uint32_t num);
107 uint32_t get_count () const { return _plugins.size(); }
109 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
110 bool configure_io (ChanCount in, ChanCount out);
112 bool has_no_inputs() const;
113 bool has_no_audio_inputs() const;
114 bool is_midi_instrument() const;
116 void realtime_handle_transport_stopped ();
117 void realtime_locate ();
118 void monitoring_changed ();
120 /** A control that manipulates a plugin parameter (control port). */
121 struct PluginControl : public AutomationControl
123 PluginControl (PluginInsert* p,
124 const Evoral::Parameter& param,
125 const ParameterDescriptor& desc,
126 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
128 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
129 void set_value_unchecked (double);
130 double get_value (void) const;
131 void catch_up_with_external_value (double val);
132 XMLNode& get_state();
135 PluginInsert* _plugin;
136 void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
139 /** A control that manipulates a plugin property (message). */
140 struct PluginPropertyControl : public AutomationControl
142 PluginPropertyControl (PluginInsert* p,
143 const Evoral::Parameter& param,
144 const ParameterDescriptor& desc,
145 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
147 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
148 void set_value_unchecked (double);
149 double get_value (void) const;
150 XMLNode& get_state();
153 PluginInsert* _plugin;
157 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
158 if (num < _plugins.size()) {
159 return _plugins[num];
161 return _plugins[0]; // we always have one
167 std::string describe_parameter (Evoral::Parameter param);
169 framecnt_t signal_latency () const;
171 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
173 void collect_signal_for_analysis (framecnt_t nframes);
175 bool no_inplace () const {
176 return _pending_no_inplace;
179 void set_no_inplace (bool b) {
180 _pending_no_inplace = b;
183 void set_strict_io (bool b) {
187 bool strict_io_configured () const {
188 return _strict_io_configured;
191 bool splitting () const {
192 return _match.method == Split;
195 void configured_io (ChanCount &in, ChanCount &out) { in = _configured_in; out = _configured_out; }
197 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
198 PBD::Signal0<void> PluginIoReConfigure;
200 /** Enumeration of the ways in which we can match our insert's
201 * IO to that of the plugin(s).
203 enum MatchingMethod {
204 Impossible, ///< we can't
205 Delegate, ///< we are delegating to the plugin, and it can handle it
206 NoInputs, ///< plugin has no inputs, so anything goes
207 ExactMatch, ///< our insert's inputs are the same as the plugin's
208 Replicate, ///< we have multiple instances of the plugin
209 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
210 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
214 /* disallow copy construction */
215 PluginInsert (const PluginInsert&);
217 void parameter_changed_externally (uint32_t, float);
219 void set_parameter (Evoral::Parameter param, float val);
221 float default_parameter_value (const Evoral::Parameter& param);
223 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
226 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
228 framecnt_t _signal_analysis_collected_nframes;
229 framecnt_t _signal_analysis_collect_nframes_max;
231 BufferSet _signal_analysis_inputs;
232 BufferSet _signal_analysis_outputs;
234 ChanCount midi_bypass;
236 ChanCount _configured_in;
237 ChanCount _configured_out;
240 bool _pending_no_inplace;
242 bool _strict_io_configured;
244 /** Description of how we can match our plugin's IO to our own insert IO */
246 Match () : method (Impossible), plugins (0) {}
247 Match (MatchingMethod m, int32_t p, ChanCount h = ChanCount ()) : method (m), plugins (p), hide (h) {}
249 MatchingMethod method; ///< method to employ
250 int32_t plugins; ///< number of copies of the plugin that we need
251 ChanCount hide; ///< number of channels to hide
254 Match private_can_support_io_configuration (ChanCount const &, ChanCount &);
256 /** details of the match currently being used */
258 std::map <uint32_t, ARDOUR::ChanMapping> _in_map;
259 std::map <uint32_t, ARDOUR::ChanMapping> _out_map;
261 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
262 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
264 void create_automatable_parameters ();
265 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
266 void set_parameter_state_2X (const XMLNode& node, int version);
267 void set_control_ids (const XMLNode&, int version);
269 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
270 void add_plugin (boost::shared_ptr<Plugin>);
272 void start_touch (uint32_t param_id);
273 void end_touch (uint32_t param_id);
276 } // namespace ARDOUR
278 #endif /* __ardour_plugin_insert_h__ */