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, pframes_t nframes, bool);
65 void silence (framecnt_t nframes);
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 output_map () const; ///< combined (all instances) output map
100 bool has_midi_bypass () const;
101 bool has_midi_thru () const;
102 bool inplace () const { return ! _no_inplace; }
105 bool is_channelstrip () const;
108 void set_input_map (uint32_t, ChanMapping);
109 void set_output_map (uint32_t, ChanMapping);
110 void set_thru_map (ChanMapping);
111 bool reset_map (bool emit = true);
112 bool sanitize_maps ();
113 bool check_inplace ();
115 // these are ports visible on the outside
116 ChanCount output_streams() const;
117 ChanCount input_streams() const;
118 ChanCount internal_streams() const; // with side-chain
120 // actual ports of all plugins.
121 // n * natural_i/o or result of reconfigurable i/o
122 ChanCount internal_output_streams() const;
123 ChanCount internal_input_streams() const;
125 // a single plugin's internal i/o
126 ChanCount natural_output_streams() const;
127 ChanCount natural_input_streams() const;
129 /** plugin ports marked as sidechain */
130 ChanCount sidechain_input_pins() const;
132 /** Plugin-Insert IO sidechain ports */
133 ChanCount sidechain_input_ports() const {
135 return _sidechain->input ()->n_ports ();
141 const ChanCount& required_buffers () const { return _required_buffers; }
142 const ChanCount& preset_out () const { return _preset_out; }
144 // allow to override output_streams(), implies "Custom Mode"
146 // only the owning route may call these (with process lock held)
147 // route is not a friend class, it owns us
148 bool set_count (uint32_t num);
149 void set_sinks (const ChanCount&); // reconfigurable I/O ONLY
150 void set_outputs (const ChanCount&);
151 void set_strict_io (bool b);
152 void set_custom_cfg (bool b);
153 bool set_preset_out (const ChanCount&);
154 bool add_sidechain (uint32_t n_audio = 1);
155 bool del_sidechain ();
156 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
157 // end C++ class slavery!
159 uint32_t get_count () const { return _plugins.size(); }
160 bool strict_io () const { return _strict_io; }
161 bool custom_cfg () const { return _custom_cfg; }
163 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
164 bool configure_io (ChanCount in, ChanCount out);
166 bool has_no_inputs() const;
167 bool has_no_audio_inputs() const;
168 bool needs_midi_input() const;
169 bool has_output_presets (
170 ChanCount in = ChanCount (DataType::MIDI, 1),
171 ChanCount out = ChanCount (DataType::AUDIO, 2)
174 void realtime_handle_transport_stopped ();
175 void realtime_locate ();
176 void monitoring_changed ();
178 bool load_preset (Plugin::PresetRecord);
180 /** A control that manipulates a plugin parameter (control port). */
181 struct PluginControl : public AutomationControl
183 PluginControl (PluginInsert* p,
184 const Evoral::Parameter& param,
185 const ParameterDescriptor& desc,
186 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
188 double get_value (void) const;
189 void catch_up_with_external_value (double val);
190 XMLNode& get_state();
193 PluginInsert* _plugin;
194 void actually_set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
197 /** A control that manipulates a plugin property (message). */
198 struct PluginPropertyControl : public AutomationControl
200 PluginPropertyControl (PluginInsert* p,
201 const Evoral::Parameter& param,
202 const ParameterDescriptor& desc,
203 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
205 double get_value (void) const;
206 XMLNode& get_state();
208 void actually_set_value (double value, PBD::Controllable::GroupControlDisposition);
211 PluginInsert* _plugin;
215 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
216 if (num < _plugins.size()) {
217 return _plugins[num];
219 return _plugins[0]; // we always have one
223 framecnt_t plugin_latency () const;
225 bool has_sidechain () const {
226 return _sidechain ? true : false;
229 boost::shared_ptr<IO> sidechain_input () const {
231 return _sidechain->input ();
233 return boost::shared_ptr<IO> ();
238 std::string describe_parameter (Evoral::Parameter param);
240 framecnt_t signal_latency () const;
242 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
244 void collect_signal_for_analysis (framecnt_t nframes);
246 bool strict_io_configured () const {
247 return _match.strict_io;
250 bool splitting () const {
251 return _match.method == Split;
254 void configured_io (ChanCount &in, ChanCount &out) const {
256 out = _configured_out;
259 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
260 PBD::Signal0<void> PluginIoReConfigure;
261 PBD::Signal0<void> PluginMapChanged;
262 PBD::Signal0<void> PluginConfigChanged;
264 /** Enumeration of the ways in which we can match our insert's
265 * IO to that of the plugin(s).
267 enum MatchingMethod {
268 Impossible, ///< we can't
269 Delegate, ///< we are delegating to the plugin, and it can handle it
270 NoInputs, ///< plugin has no inputs, so anything goes
271 ExactMatch, ///< our insert's inputs are the same as the plugin's
272 Replicate, ///< we have multiple instances of the plugin
273 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
274 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
277 /** Description of how we can match our plugin's IO to our own insert IO */
279 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
280 Match (MatchingMethod m, int32_t p,
281 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
282 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
284 MatchingMethod method; ///< method to employ
285 int32_t plugins; ///< number of copies of the plugin that we need
286 ChanCount hide; ///< number of channels to hide
287 bool strict_io; ///< force in == out
288 bool custom_cfg; ///< custom config (if not strict)
292 /* disallow copy construction */
293 PluginInsert (const PluginInsert&);
295 void parameter_changed_externally (uint32_t, float);
297 void set_parameter (Evoral::Parameter param, float val);
299 float default_parameter_value (const Evoral::Parameter& param);
301 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
304 boost::shared_ptr<SideChain> _sidechain;
306 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
308 framecnt_t _signal_analysis_collected_nframes;
309 framecnt_t _signal_analysis_collect_nframes_max;
311 BufferSet _signal_analysis_inputs;
312 BufferSet _signal_analysis_outputs;
314 FixedDelay _delaybuffers;
316 ChanCount _configured_in;
317 ChanCount _configured_internal; // with side-chain
318 ChanCount _configured_out;
319 ChanCount _custom_out;
320 ChanCount _custom_sinks;
321 ChanCount _preset_out;
322 ChanCount _cached_sidechain_pins;
323 ChanCount _required_buffers;
329 bool _maps_from_state;
330 bool _mapping_changed;
332 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
333 Match internal_can_support_io_configuration (ChanCount const &, ChanCount &) const;
334 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
336 /** details of the match currently being used */
339 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
341 PinMappings _out_map;
342 ChanMapping _thru_map; // out-idx <= in-idx
344 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
345 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
346 void bypass (BufferSet& bufs, pframes_t nframes);
347 void inplace_silence_unconnected (BufferSet&, const PinMappings&, framecnt_t nframes, framecnt_t offset) const;
349 void create_automatable_parameters ();
350 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
351 void set_parameter_state_2X (const XMLNode& node, int version);
352 void set_control_ids (const XMLNode&, int version);
354 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
355 void add_plugin (boost::shared_ptr<Plugin>);
357 void start_touch (uint32_t param_id);
358 void end_touch (uint32_t param_id);
360 void latency_changed (framecnt_t, framecnt_t);
361 bool _latency_changed;
364 } // namespace ARDOUR
366 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
368 #endif /* __ardour_plugin_insert_h__ */