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/readonly_control.h"
38 #include "ardour/sidechain.h"
39 #include "ardour/automation_control.h"
49 /** Plugin inserts: send data through a plugin
51 class LIBARDOUR_API PluginInsert : public Processor
54 PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
57 static const std::string port_automation_node_name;
60 XMLNode& get_state(void);
61 int set_state(const XMLNode&, int version);
62 void update_id (PBD::ID);
63 void set_owner (SessionObject*);
64 void set_state_dir (const std::string& d = "");
66 void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, double speed, pframes_t nframes, bool);
67 void silence (framecnt_t nframes, framepos_t start_frame);
73 void enable (bool yn);
74 bool enabled () const;
75 bool bypassable () const;
77 bool reset_parameters_to_default ();
78 bool can_reset_all_parameters ();
80 int set_block_size (pframes_t nframes);
82 ChanMapping input_map (uint32_t num) const {
83 if (num < _in_map.size()) {
84 return _in_map.find (num)->second;
86 return ChanMapping ();
90 ChanMapping output_map (uint32_t num) const {
91 if (num < _out_map.size()) {
92 return _out_map.find (num)->second;
94 return ChanMapping ();
98 ChanMapping thru_map () const {
102 bool pre_seed (const ChanCount&, const ChanCount&, const ChanMapping&, const ChanMapping&, const ChanMapping&);
104 ChanMapping input_map () const; ///< combined (all instances) input map
105 ChanMapping no_sc_input_map () const; ///< combined (all instances) input map w/o sidechain sinks
106 ChanMapping output_map () const; ///< combined (all instances) output map
107 bool has_midi_bypass () const;
108 bool has_midi_thru () const;
109 bool inplace () const { return ! _no_inplace; }
112 bool is_channelstrip () const;
115 void set_input_map (uint32_t, ChanMapping);
116 void set_output_map (uint32_t, ChanMapping);
117 void set_thru_map (ChanMapping);
118 bool reset_map (bool emit = true);
119 bool sanitize_maps ();
120 bool check_inplace ();
121 bool configured () const { return _configured; }
123 // these are ports visible on the outside
124 ChanCount output_streams() const;
125 ChanCount input_streams() const;
126 ChanCount internal_streams() const; // with side-chain
128 // actual ports of all plugins.
129 // n * natural_i/o or result of reconfigurable i/o
130 ChanCount internal_output_streams() const;
131 ChanCount internal_input_streams() const;
133 // a single plugin's internal i/o
134 ChanCount natural_output_streams() const;
135 ChanCount natural_input_streams() const;
137 /** plugin ports marked as sidechain */
138 ChanCount sidechain_input_pins() const;
140 /** Plugin-Insert IO sidechain ports */
141 ChanCount sidechain_input_ports() const {
143 return _sidechain->input ()->n_ports ();
149 const ChanCount& required_buffers () const { return _required_buffers; }
150 const ChanCount& preset_out () const { return _preset_out; }
152 // allow to override output_streams(), implies "Custom Mode"
154 // only the owning route may call these (with process lock held)
155 // route is not a friend class, it owns us
156 bool set_count (uint32_t num);
157 void set_sinks (const ChanCount&); // reconfigurable I/O ONLY
158 void set_outputs (const ChanCount&);
159 void set_strict_io (bool b);
160 void set_custom_cfg (bool b);
161 bool set_preset_out (const ChanCount&);
162 bool add_sidechain (uint32_t n_audio = 1, uint32_t n_midi = 0);
163 bool del_sidechain ();
164 void set_sidechain_latency (uint32_t, uint32_t);
165 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
166 // end C++ class slavery!
168 uint32_t get_count () const { return _plugins.size(); }
169 bool strict_io () const { return _strict_io; }
170 bool custom_cfg () const { return _custom_cfg; }
172 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
173 bool configure_io (ChanCount in, ChanCount out);
175 bool has_no_inputs() const;
176 bool has_no_audio_inputs() const;
177 bool is_instrument () const;
178 bool has_output_presets (
179 ChanCount in = ChanCount (DataType::MIDI, 1),
180 ChanCount out = ChanCount (DataType::AUDIO, 2)
183 void realtime_handle_transport_stopped ();
184 void realtime_locate ();
185 void monitoring_changed ();
187 bool load_preset (Plugin::PresetRecord);
189 /** A control that manipulates a plugin parameter (control port). */
190 struct PluginControl : public AutomationControl
192 PluginControl (PluginInsert* p,
193 const Evoral::Parameter& param,
194 const ParameterDescriptor& desc,
195 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
197 double get_value (void) const;
198 void catch_up_with_external_value (double val);
199 XMLNode& get_state();
202 PluginInsert* _plugin;
203 void actually_set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
206 /** A control that manipulates a plugin property (message). */
207 struct PluginPropertyControl : public AutomationControl
209 PluginPropertyControl (PluginInsert* p,
210 const Evoral::Parameter& param,
211 const ParameterDescriptor& desc,
212 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
214 double get_value (void) const;
215 XMLNode& get_state();
217 void actually_set_value (double value, PBD::Controllable::GroupControlDisposition);
220 PluginInsert* _plugin;
224 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
225 if (num < _plugins.size()) {
226 return _plugins[num];
228 return _plugins[0]; // we always have one
232 framecnt_t plugin_latency () const;
234 bool has_sidechain () const {
235 return _sidechain ? true : false;
238 boost::shared_ptr<IO> sidechain_input () const {
240 return _sidechain->input ();
242 return boost::shared_ptr<IO> ();
247 boost::shared_ptr<ReadOnlyControl> control_output (uint32_t) const;
249 std::string describe_parameter (Evoral::Parameter param);
251 framecnt_t signal_latency () const;
253 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
255 void collect_signal_for_analysis (framecnt_t nframes);
257 bool strict_io_configured () const {
258 return _match.strict_io;
261 bool splitting () const {
262 return _match.method == Split;
265 void configured_io (ChanCount &in, ChanCount &out) const {
267 out = _configured_out;
270 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
271 PBD::Signal0<void> PluginIoReConfigure;
272 PBD::Signal0<void> PluginMapChanged;
273 PBD::Signal0<void> PluginConfigChanged;
275 /** Enumeration of the ways in which we can match our insert's
276 * IO to that of the plugin(s).
278 enum MatchingMethod {
279 Impossible, ///< we can't
280 Delegate, ///< we are delegating to the plugin, and it can handle it
281 NoInputs, ///< plugin has no inputs, so anything goes
282 ExactMatch, ///< our insert's inputs are the same as the plugin's
283 Replicate, ///< we have multiple instances of the plugin
284 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
285 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
288 /** Description of how we can match our plugin's IO to our own insert IO */
290 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
291 Match (MatchingMethod m, int32_t p,
292 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
293 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
295 MatchingMethod method; ///< method to employ
296 int32_t plugins; ///< number of copies of the plugin that we need
297 ChanCount hide; ///< number of channels to hide
298 bool strict_io; ///< force in == out
299 bool custom_cfg; ///< custom config (if not strict)
303 /* disallow copy construction */
304 PluginInsert (const PluginInsert&);
306 void parameter_changed_externally (uint32_t, float);
308 void set_parameter (Evoral::Parameter param, float val);
310 float default_parameter_value (const Evoral::Parameter& param);
312 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
315 boost::shared_ptr<SideChain> _sidechain;
316 uint32_t _sc_playback_latency;
317 uint32_t _sc_capture_latency;
318 uint32_t _plugin_signal_latency;
320 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
322 framecnt_t _signal_analysis_collected_nframes;
323 framecnt_t _signal_analysis_collect_nframes_max;
325 BufferSet _signal_analysis_inputs;
326 BufferSet _signal_analysis_outputs;
328 FixedDelay _delaybuffers;
330 ChanCount _configured_in;
331 ChanCount _configured_internal; // with side-chain
332 ChanCount _configured_out;
333 ChanCount _custom_out;
334 ChanCount _custom_sinks;
335 ChanCount _preset_out;
336 ChanCount _cached_sidechain_pins;
337 ChanCount _required_buffers;
343 bool _maps_from_state;
344 bool _mapping_changed;
346 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
347 Match internal_can_support_io_configuration (ChanCount const &, ChanCount &) const;
348 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
350 /** details of the match currently being used */
353 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
355 PinMappings _out_map;
356 ChanMapping _thru_map; // out-idx <= in-idx
358 void automate_and_run (BufferSet& bufs, framepos_t start, framepos_t end, double speed, pframes_t nframes);
359 void connect_and_run (BufferSet& bufs, framepos_t start, framecnt_t end, double speed, pframes_t nframes, framecnt_t offset, bool with_auto);
360 void bypass (BufferSet& bufs, pframes_t nframes);
361 void inplace_silence_unconnected (BufferSet&, const PinMappings&, framecnt_t nframes, framecnt_t offset) const;
363 void create_automatable_parameters ();
364 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
365 void set_parameter_state_2X (const XMLNode& node, int version);
366 void set_control_ids (const XMLNode&, int version);
368 void enable_changed ();
369 void bypassable_changed ();
371 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
372 void add_plugin (boost::shared_ptr<Plugin>);
374 void start_touch (uint32_t param_id);
375 void end_touch (uint32_t param_id);
377 void latency_changed ();
378 bool _latency_changed;
379 uint32_t _bypass_port;
381 typedef std::map<uint32_t, boost::shared_ptr<ReadOnlyControl> >CtrlOutMap;
382 CtrlOutMap _control_outputs;
384 void preset_load_set_value (uint32_t, float);
387 } // namespace ARDOUR
389 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
391 #endif /* __ardour_plugin_insert_h__ */