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/fixed_delay.h"
32 #include "ardour/io.h"
33 #include "ardour/types.h"
34 #include "ardour/parameter_descriptor.h"
35 #include "ardour/processor.h"
36 #include "ardour/sidechain.h"
37 #include "ardour/automation_control.h"
47 /** Plugin inserts: send data through a plugin
49 class LIBARDOUR_API PluginInsert : public Processor
52 PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
55 static const std::string port_automation_node_name;
58 XMLNode& get_state(void);
59 int set_state(const XMLNode&, int version);
60 void update_id (PBD::ID);
61 void set_state_dir (const std::string& d = "");
63 void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
64 void silence (framecnt_t nframes);
70 bool reset_parameters_to_default ();
71 bool can_reset_all_parameters ();
73 int set_block_size (pframes_t nframes);
75 ChanMapping input_map (uint32_t num) const {
76 if (num < _in_map.size()) {
77 return _in_map.find (num)->second;
79 return ChanMapping ();
83 ChanMapping output_map (uint32_t num) const {
84 if (num < _out_map.size()) {
85 return _out_map.find (num)->second;
87 return ChanMapping ();
91 ChanMapping thru_map () const {
95 ChanMapping input_map () const; ///< combined (all instances) input map
96 ChanMapping output_map () const; ///< combined (all instances) output map
97 bool has_midi_bypass () const;
98 bool has_midi_thru () const;
101 bool is_channelstrip () const;
104 void set_input_map (uint32_t, ChanMapping);
105 void set_output_map (uint32_t, ChanMapping);
106 void set_thru_map (ChanMapping);
107 bool reset_map (bool emit = true);
108 bool sanitize_maps ();
109 bool check_inplace ();
111 // these are ports visible on the outside
112 ChanCount output_streams() const;
113 ChanCount input_streams() const;
114 ChanCount internal_streams() const; // with side-chain
116 // actual ports of all plugins.
117 // n * natural_i/o or result of reconfigurable i/o
118 ChanCount internal_output_streams() const;
119 ChanCount internal_input_streams() const;
121 // a single plugin's internal i/o
122 ChanCount natural_output_streams() const;
123 ChanCount natural_input_streams() const;
125 /** plugin ports marked as sidechain */
126 ChanCount sidechain_input_pins() const;
128 /** Plugin-Insert IO sidechain ports */
129 ChanCount sidechain_input_ports() const {
131 return _sidechain->input ()->n_ports ();
137 ChanCount required_buffers () const { return _required_buffers; }
139 // allow to override output_streams(), implies "Custom Mode"
141 // only the owning route may call these (with process lock held)
142 // route is not a friend class, it owns us
143 bool set_count (uint32_t num);
144 void set_outputs (const ChanCount&);
145 void set_strict_io (bool b);
146 void set_custom_cfg (bool b);
147 bool add_sidechain (uint32_t n_audio = 1);
148 bool del_sidechain ();
149 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
150 // end C++ class slavery!
152 uint32_t get_count () const { return _plugins.size(); }
153 bool strict_io () const { return _strict_io; }
154 bool custom_cfg () const { return _custom_cfg; }
156 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
157 bool configure_io (ChanCount in, ChanCount out);
159 bool has_no_inputs() const;
160 bool has_no_audio_inputs() const;
161 bool needs_midi_input() const;
163 void realtime_handle_transport_stopped ();
164 void realtime_locate ();
165 void monitoring_changed ();
167 /** A control that manipulates a plugin parameter (control port). */
168 struct PluginControl : public AutomationControl
170 PluginControl (PluginInsert* p,
171 const Evoral::Parameter& param,
172 const ParameterDescriptor& desc,
173 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
175 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
176 void set_value_unchecked (double);
177 double get_value (void) const;
178 void catch_up_with_external_value (double val);
179 XMLNode& get_state();
182 PluginInsert* _plugin;
183 void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
186 /** A control that manipulates a plugin property (message). */
187 struct PluginPropertyControl : public AutomationControl
189 PluginPropertyControl (PluginInsert* p,
190 const Evoral::Parameter& param,
191 const ParameterDescriptor& desc,
192 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
194 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
195 void set_value_unchecked (double);
196 double get_value (void) const;
197 XMLNode& get_state();
200 PluginInsert* _plugin;
204 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
205 if (num < _plugins.size()) {
206 return _plugins[num];
208 return _plugins[0]; // we always have one
212 framecnt_t plugin_latency () const;
214 bool has_sidechain () const {
215 return _sidechain ? true : false;
218 boost::shared_ptr<IO> sidechain_input () const {
220 return _sidechain->input ();
222 return boost::shared_ptr<IO> ();
227 std::string describe_parameter (Evoral::Parameter param);
229 framecnt_t signal_latency () const;
231 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
233 void collect_signal_for_analysis (framecnt_t nframes);
235 bool strict_io_configured () const {
236 return _match.strict_io;
239 bool splitting () const {
240 return _match.method == Split;
243 void configured_io (ChanCount &in, ChanCount &out) const {
245 out = _configured_out;
248 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
249 PBD::Signal0<void> PluginIoReConfigure;
250 PBD::Signal0<void> PluginMapChanged;
251 PBD::Signal0<void> PluginConfigChanged;
253 /** Enumeration of the ways in which we can match our insert's
254 * IO to that of the plugin(s).
256 enum MatchingMethod {
257 Impossible, ///< we can't
258 Delegate, ///< we are delegating to the plugin, and it can handle it
259 NoInputs, ///< plugin has no inputs, so anything goes
260 ExactMatch, ///< our insert's inputs are the same as the plugin's
261 Replicate, ///< we have multiple instances of the plugin
262 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
263 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
266 /** Description of how we can match our plugin's IO to our own insert IO */
268 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
269 Match (MatchingMethod m, int32_t p,
270 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
271 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
273 MatchingMethod method; ///< method to employ
274 int32_t plugins; ///< number of copies of the plugin that we need
275 ChanCount hide; ///< number of channels to hide
276 bool strict_io; ///< force in == out
277 bool custom_cfg; ///< custom config (if not strict)
281 /* disallow copy construction */
282 PluginInsert (const PluginInsert&);
284 void parameter_changed_externally (uint32_t, float);
286 void set_parameter (Evoral::Parameter param, float val);
288 float default_parameter_value (const Evoral::Parameter& param);
290 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
293 boost::shared_ptr<SideChain> _sidechain;
295 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
297 framecnt_t _signal_analysis_collected_nframes;
298 framecnt_t _signal_analysis_collect_nframes_max;
300 BufferSet _signal_analysis_inputs;
301 BufferSet _signal_analysis_outputs;
303 FixedDelay _delaybuffers;
305 ChanCount _configured_in;
306 ChanCount _configured_internal; // with side-chain
307 ChanCount _configured_out;
308 ChanCount _custom_out;
309 ChanCount _cached_sidechain_pins;
310 ChanCount _required_buffers;
316 bool _maps_from_state;
317 bool _mapping_changed;
319 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
320 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
322 /** details of the match currently being used */
325 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
327 PinMappings _out_map;
328 ChanMapping _thru_map; // out-idx <= in-idx
330 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
331 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
333 void create_automatable_parameters ();
334 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
335 void set_parameter_state_2X (const XMLNode& node, int version);
336 void set_control_ids (const XMLNode&, int version);
338 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
339 void add_plugin (boost::shared_ptr<Plugin>);
341 void start_touch (uint32_t param_id);
342 void end_touch (uint32_t param_id);
344 void latency_changed (framecnt_t, framecnt_t);
345 bool _latency_changed;
348 } // namespace ARDOUR
350 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
352 #endif /* __ardour_plugin_insert_h__ */