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 void enable (bool yn);
72 bool enabled () const;
73 bool bypassable () const;
75 bool reset_parameters_to_default ();
76 bool can_reset_all_parameters ();
78 int set_block_size (pframes_t nframes);
80 ChanMapping input_map (uint32_t num) const {
81 if (num < _in_map.size()) {
82 return _in_map.find (num)->second;
84 return ChanMapping ();
88 ChanMapping output_map (uint32_t num) const {
89 if (num < _out_map.size()) {
90 return _out_map.find (num)->second;
92 return ChanMapping ();
96 ChanMapping thru_map () const {
100 bool pre_seed (const ChanCount&, const ChanCount&, const ChanMapping&, const ChanMapping&, const ChanMapping&);
102 ChanMapping input_map () const; ///< combined (all instances) input map
103 ChanMapping no_sc_input_map () const; ///< combined (all instances) input map w/o sidechain sinks
104 ChanMapping output_map () const; ///< combined (all instances) output map
105 bool has_midi_bypass () const;
106 bool has_midi_thru () const;
107 bool inplace () const { return ! _no_inplace; }
110 bool is_channelstrip () const;
113 void set_input_map (uint32_t, ChanMapping);
114 void set_output_map (uint32_t, ChanMapping);
115 void set_thru_map (ChanMapping);
116 bool reset_map (bool emit = true);
117 bool sanitize_maps ();
118 bool check_inplace ();
120 // these are ports visible on the outside
121 ChanCount output_streams() const;
122 ChanCount input_streams() const;
123 ChanCount internal_streams() const; // with side-chain
125 // actual ports of all plugins.
126 // n * natural_i/o or result of reconfigurable i/o
127 ChanCount internal_output_streams() const;
128 ChanCount internal_input_streams() const;
130 // a single plugin's internal i/o
131 ChanCount natural_output_streams() const;
132 ChanCount natural_input_streams() const;
134 /** plugin ports marked as sidechain */
135 ChanCount sidechain_input_pins() const;
137 /** Plugin-Insert IO sidechain ports */
138 ChanCount sidechain_input_ports() const {
140 return _sidechain->input ()->n_ports ();
146 const ChanCount& required_buffers () const { return _required_buffers; }
147 const ChanCount& preset_out () const { return _preset_out; }
149 // allow to override output_streams(), implies "Custom Mode"
151 // only the owning route may call these (with process lock held)
152 // route is not a friend class, it owns us
153 bool set_count (uint32_t num);
154 void set_sinks (const ChanCount&); // reconfigurable I/O ONLY
155 void set_outputs (const ChanCount&);
156 void set_strict_io (bool b);
157 void set_custom_cfg (bool b);
158 bool set_preset_out (const ChanCount&);
159 bool add_sidechain (uint32_t n_audio = 1);
160 bool del_sidechain ();
161 void set_sidechain_latency (uint32_t, uint32_t);
162 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
163 // end C++ class slavery!
165 uint32_t get_count () const { return _plugins.size(); }
166 bool strict_io () const { return _strict_io; }
167 bool custom_cfg () const { return _custom_cfg; }
169 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
170 bool configure_io (ChanCount in, ChanCount out);
172 bool has_no_inputs() const;
173 bool has_no_audio_inputs() const;
174 bool needs_midi_input() const;
175 bool has_output_presets (
176 ChanCount in = ChanCount (DataType::MIDI, 1),
177 ChanCount out = ChanCount (DataType::AUDIO, 2)
180 void realtime_handle_transport_stopped ();
181 void realtime_locate ();
182 void monitoring_changed ();
184 bool load_preset (Plugin::PresetRecord);
186 /** A control that manipulates a plugin parameter (control port). */
187 struct PluginControl : public AutomationControl
189 PluginControl (PluginInsert* p,
190 const Evoral::Parameter& param,
191 const ParameterDescriptor& desc,
192 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
194 double get_value (void) const;
195 void catch_up_with_external_value (double val);
196 XMLNode& get_state();
199 PluginInsert* _plugin;
200 void actually_set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
203 /** A control that manipulates a plugin property (message). */
204 struct PluginPropertyControl : public AutomationControl
206 PluginPropertyControl (PluginInsert* p,
207 const Evoral::Parameter& param,
208 const ParameterDescriptor& desc,
209 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
211 double get_value (void) const;
212 XMLNode& get_state();
214 void actually_set_value (double value, PBD::Controllable::GroupControlDisposition);
217 PluginInsert* _plugin;
221 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
222 if (num < _plugins.size()) {
223 return _plugins[num];
225 return _plugins[0]; // we always have one
229 framecnt_t plugin_latency () const;
231 bool has_sidechain () const {
232 return _sidechain ? true : false;
235 boost::shared_ptr<IO> sidechain_input () const {
237 return _sidechain->input ();
239 return boost::shared_ptr<IO> ();
244 std::string describe_parameter (Evoral::Parameter param);
246 framecnt_t signal_latency () const;
248 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
250 void collect_signal_for_analysis (framecnt_t nframes);
252 bool strict_io_configured () const {
253 return _match.strict_io;
256 bool splitting () const {
257 return _match.method == Split;
260 void configured_io (ChanCount &in, ChanCount &out) const {
262 out = _configured_out;
265 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
266 PBD::Signal0<void> PluginIoReConfigure;
267 PBD::Signal0<void> PluginMapChanged;
268 PBD::Signal0<void> PluginConfigChanged;
270 /** Enumeration of the ways in which we can match our insert's
271 * IO to that of the plugin(s).
273 enum MatchingMethod {
274 Impossible, ///< we can't
275 Delegate, ///< we are delegating to the plugin, and it can handle it
276 NoInputs, ///< plugin has no inputs, so anything goes
277 ExactMatch, ///< our insert's inputs are the same as the plugin's
278 Replicate, ///< we have multiple instances of the plugin
279 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
280 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
283 /** Description of how we can match our plugin's IO to our own insert IO */
285 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
286 Match (MatchingMethod m, int32_t p,
287 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
288 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
290 MatchingMethod method; ///< method to employ
291 int32_t plugins; ///< number of copies of the plugin that we need
292 ChanCount hide; ///< number of channels to hide
293 bool strict_io; ///< force in == out
294 bool custom_cfg; ///< custom config (if not strict)
298 /* disallow copy construction */
299 PluginInsert (const PluginInsert&);
301 void parameter_changed_externally (uint32_t, float);
303 void set_parameter (Evoral::Parameter param, float val);
305 float default_parameter_value (const Evoral::Parameter& param);
307 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
310 boost::shared_ptr<SideChain> _sidechain;
311 uint32_t _sc_playback_latency;
312 uint32_t _sc_capture_latency;
314 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
316 framecnt_t _signal_analysis_collected_nframes;
317 framecnt_t _signal_analysis_collect_nframes_max;
319 BufferSet _signal_analysis_inputs;
320 BufferSet _signal_analysis_outputs;
322 FixedDelay _delaybuffers;
324 ChanCount _configured_in;
325 ChanCount _configured_internal; // with side-chain
326 ChanCount _configured_out;
327 ChanCount _custom_out;
328 ChanCount _custom_sinks;
329 ChanCount _preset_out;
330 ChanCount _cached_sidechain_pins;
331 ChanCount _required_buffers;
337 bool _maps_from_state;
338 bool _mapping_changed;
340 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
341 Match internal_can_support_io_configuration (ChanCount const &, ChanCount &) const;
342 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
344 /** details of the match currently being used */
347 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
349 PinMappings _out_map;
350 ChanMapping _thru_map; // out-idx <= in-idx
352 void automation_run (BufferSet& bufs, framepos_t start, framepos_t end, double speed, pframes_t nframes);
353 void connect_and_run (BufferSet& bufs, framepos_t start, framecnt_t end, double speed, pframes_t nframes, framecnt_t offset, bool with_auto);
354 void bypass (BufferSet& bufs, pframes_t nframes);
355 void inplace_silence_unconnected (BufferSet&, const PinMappings&, framecnt_t nframes, framecnt_t offset) const;
357 void create_automatable_parameters ();
358 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
359 void set_parameter_state_2X (const XMLNode& node, int version);
360 void set_control_ids (const XMLNode&, int version);
362 void enable_changed ();
363 void bypassable_changed ();
365 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
366 void add_plugin (boost::shared_ptr<Plugin>);
368 void start_touch (uint32_t param_id);
369 void end_touch (uint32_t param_id);
371 void latency_changed (framecnt_t, framecnt_t);
372 bool _latency_changed;
373 uint32_t _bypass_port;
376 } // namespace ARDOUR
378 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
380 #endif /* __ardour_plugin_insert_h__ */