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/plugin.h"
36 #include "ardour/processor.h"
37 #include "ardour/sidechain.h"
38 #include "ardour/automation_control.h"
48 /** Plugin inserts: send data through a plugin
50 class LIBARDOUR_API PluginInsert : public Processor
53 PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
56 static const std::string port_automation_node_name;
59 XMLNode& get_state(void);
60 int set_state(const XMLNode&, int version);
61 void update_id (PBD::ID);
62 void set_state_dir (const std::string& d = "");
64 void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, double speed, pframes_t nframes, bool);
65 void silence (framecnt_t nframes, framepos_t start_frame);
71 bool reset_parameters_to_default ();
72 bool can_reset_all_parameters ();
74 int set_block_size (pframes_t nframes);
76 ChanMapping input_map (uint32_t num) const {
77 if (num < _in_map.size()) {
78 return _in_map.find (num)->second;
80 return ChanMapping ();
84 ChanMapping output_map (uint32_t num) const {
85 if (num < _out_map.size()) {
86 return _out_map.find (num)->second;
88 return ChanMapping ();
92 ChanMapping thru_map () const {
96 bool pre_seed (const ChanCount&, const ChanCount&, const ChanMapping&, const ChanMapping&, const ChanMapping&);
98 ChanMapping input_map () const; ///< combined (all instances) input map
99 ChanMapping no_sc_input_map () const; ///< combined (all instances) input map w/o sidechain sinks
100 ChanMapping output_map () const; ///< combined (all instances) output map
101 bool has_midi_bypass () const;
102 bool has_midi_thru () const;
103 bool inplace () const { return ! _no_inplace; }
106 bool is_channelstrip () const;
109 void set_input_map (uint32_t, ChanMapping);
110 void set_output_map (uint32_t, ChanMapping);
111 void set_thru_map (ChanMapping);
112 bool reset_map (bool emit = true);
113 bool sanitize_maps ();
114 bool check_inplace ();
116 // these are ports visible on the outside
117 ChanCount output_streams() const;
118 ChanCount input_streams() const;
119 ChanCount internal_streams() const; // with side-chain
121 // actual ports of all plugins.
122 // n * natural_i/o or result of reconfigurable i/o
123 ChanCount internal_output_streams() const;
124 ChanCount internal_input_streams() const;
126 // a single plugin's internal i/o
127 ChanCount natural_output_streams() const;
128 ChanCount natural_input_streams() const;
130 /** plugin ports marked as sidechain */
131 ChanCount sidechain_input_pins() const;
133 /** Plugin-Insert IO sidechain ports */
134 ChanCount sidechain_input_ports() const {
136 return _sidechain->input ()->n_ports ();
142 const ChanCount& required_buffers () const { return _required_buffers; }
143 const ChanCount& preset_out () const { return _preset_out; }
145 // allow to override output_streams(), implies "Custom Mode"
147 // only the owning route may call these (with process lock held)
148 // route is not a friend class, it owns us
149 bool set_count (uint32_t num);
150 void set_sinks (const ChanCount&); // reconfigurable I/O ONLY
151 void set_outputs (const ChanCount&);
152 void set_strict_io (bool b);
153 void set_custom_cfg (bool b);
154 bool set_preset_out (const ChanCount&);
155 bool add_sidechain (uint32_t n_audio = 1);
156 bool del_sidechain ();
157 void set_sidechain_latency (uint32_t, uint32_t);
158 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
159 // end C++ class slavery!
161 uint32_t get_count () const { return _plugins.size(); }
162 bool strict_io () const { return _strict_io; }
163 bool custom_cfg () const { return _custom_cfg; }
165 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
166 bool configure_io (ChanCount in, ChanCount out);
168 bool has_no_inputs() const;
169 bool has_no_audio_inputs() const;
170 bool needs_midi_input() const;
171 bool has_output_presets (
172 ChanCount in = ChanCount (DataType::MIDI, 1),
173 ChanCount out = ChanCount (DataType::AUDIO, 2)
176 void realtime_handle_transport_stopped ();
177 void realtime_locate ();
178 void monitoring_changed ();
180 bool load_preset (Plugin::PresetRecord);
182 /** A control that manipulates a plugin parameter (control port). */
183 struct PluginControl : public AutomationControl
185 PluginControl (PluginInsert* p,
186 const Evoral::Parameter& param,
187 const ParameterDescriptor& desc,
188 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
190 double get_value (void) const;
191 void catch_up_with_external_value (double val);
192 XMLNode& get_state();
195 PluginInsert* _plugin;
196 void actually_set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
199 /** A control that manipulates a plugin property (message). */
200 struct PluginPropertyControl : public AutomationControl
202 PluginPropertyControl (PluginInsert* p,
203 const Evoral::Parameter& param,
204 const ParameterDescriptor& desc,
205 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
207 double get_value (void) const;
208 XMLNode& get_state();
210 void actually_set_value (double value, PBD::Controllable::GroupControlDisposition);
213 PluginInsert* _plugin;
217 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
218 if (num < _plugins.size()) {
219 return _plugins[num];
221 return _plugins[0]; // we always have one
225 framecnt_t plugin_latency () const;
227 bool has_sidechain () const {
228 return _sidechain ? true : false;
231 boost::shared_ptr<IO> sidechain_input () const {
233 return _sidechain->input ();
235 return boost::shared_ptr<IO> ();
240 std::string describe_parameter (Evoral::Parameter param);
242 framecnt_t signal_latency () const;
244 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
246 void collect_signal_for_analysis (framecnt_t nframes);
248 bool strict_io_configured () const {
249 return _match.strict_io;
252 bool splitting () const {
253 return _match.method == Split;
256 void configured_io (ChanCount &in, ChanCount &out) const {
258 out = _configured_out;
261 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
262 PBD::Signal0<void> PluginIoReConfigure;
263 PBD::Signal0<void> PluginMapChanged;
264 PBD::Signal0<void> PluginConfigChanged;
266 /** Enumeration of the ways in which we can match our insert's
267 * IO to that of the plugin(s).
269 enum MatchingMethod {
270 Impossible, ///< we can't
271 Delegate, ///< we are delegating to the plugin, and it can handle it
272 NoInputs, ///< plugin has no inputs, so anything goes
273 ExactMatch, ///< our insert's inputs are the same as the plugin's
274 Replicate, ///< we have multiple instances of the plugin
275 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
276 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
279 /** Description of how we can match our plugin's IO to our own insert IO */
281 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
282 Match (MatchingMethod m, int32_t p,
283 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
284 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
286 MatchingMethod method; ///< method to employ
287 int32_t plugins; ///< number of copies of the plugin that we need
288 ChanCount hide; ///< number of channels to hide
289 bool strict_io; ///< force in == out
290 bool custom_cfg; ///< custom config (if not strict)
294 /* disallow copy construction */
295 PluginInsert (const PluginInsert&);
297 void parameter_changed_externally (uint32_t, float);
299 void set_parameter (Evoral::Parameter param, float val);
301 float default_parameter_value (const Evoral::Parameter& param);
303 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
306 boost::shared_ptr<SideChain> _sidechain;
307 uint32_t _sc_playback_latency;
308 uint32_t _sc_capture_latency;
310 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
312 framecnt_t _signal_analysis_collected_nframes;
313 framecnt_t _signal_analysis_collect_nframes_max;
315 BufferSet _signal_analysis_inputs;
316 BufferSet _signal_analysis_outputs;
318 FixedDelay _delaybuffers;
320 ChanCount _configured_in;
321 ChanCount _configured_internal; // with side-chain
322 ChanCount _configured_out;
323 ChanCount _custom_out;
324 ChanCount _custom_sinks;
325 ChanCount _preset_out;
326 ChanCount _cached_sidechain_pins;
327 ChanCount _required_buffers;
333 bool _maps_from_state;
334 bool _mapping_changed;
336 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
337 Match internal_can_support_io_configuration (ChanCount const &, ChanCount &) const;
338 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
340 /** details of the match currently being used */
343 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
345 PinMappings _out_map;
346 ChanMapping _thru_map; // out-idx <= in-idx
348 void automation_run (BufferSet& bufs, framepos_t start, framepos_t end, double speed, pframes_t nframes);
349 void connect_and_run (BufferSet& bufs, framepos_t start, framecnt_t end, double speed, pframes_t nframes, framecnt_t offset, bool with_auto);
350 void bypass (BufferSet& bufs, pframes_t nframes);
351 void inplace_silence_unconnected (BufferSet&, const PinMappings&, framecnt_t nframes, framecnt_t offset) const;
353 void create_automatable_parameters ();
354 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
355 void set_parameter_state_2X (const XMLNode& node, int version);
356 void set_control_ids (const XMLNode&, int version);
358 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
359 void add_plugin (boost::shared_ptr<Plugin>);
361 void start_touch (uint32_t param_id);
362 void end_touch (uint32_t param_id);
364 void latency_changed (framecnt_t, framecnt_t);
365 bool _latency_changed;
368 } // namespace ARDOUR
370 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
372 #endif /* __ardour_plugin_insert_h__ */