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 ChanMapping input_map () const; ///< combined (all instances) input map
97 ChanMapping output_map () const; ///< combined (all instances) output map
98 bool has_midi_bypass () const;
99 bool has_midi_thru () const;
100 bool inplace () const { return ! _no_inplace; }
103 bool is_channelstrip () const;
106 void set_input_map (uint32_t, ChanMapping);
107 void set_output_map (uint32_t, ChanMapping);
108 void set_thru_map (ChanMapping);
109 bool reset_map (bool emit = true);
110 bool sanitize_maps ();
111 bool check_inplace ();
113 // these are ports visible on the outside
114 ChanCount output_streams() const;
115 ChanCount input_streams() const;
116 ChanCount internal_streams() const; // with side-chain
118 // actual ports of all plugins.
119 // n * natural_i/o or result of reconfigurable i/o
120 ChanCount internal_output_streams() const;
121 ChanCount internal_input_streams() const;
123 // a single plugin's internal i/o
124 ChanCount natural_output_streams() const;
125 ChanCount natural_input_streams() const;
127 /** plugin ports marked as sidechain */
128 ChanCount sidechain_input_pins() const;
130 /** Plugin-Insert IO sidechain ports */
131 ChanCount sidechain_input_ports() const {
133 return _sidechain->input ()->n_ports ();
139 const ChanCount& required_buffers () const { return _required_buffers; }
140 const ChanCount& preset_out () const { return _preset_out; }
142 // allow to override output_streams(), implies "Custom Mode"
144 // only the owning route may call these (with process lock held)
145 // route is not a friend class, it owns us
146 bool set_count (uint32_t num);
147 void set_sinks (const ChanCount&); // reconfigurable I/O ONLY
148 void set_outputs (const ChanCount&);
149 void set_strict_io (bool b);
150 void set_custom_cfg (bool b);
151 bool set_preset_out (const ChanCount&);
152 bool add_sidechain (uint32_t n_audio = 1);
153 bool del_sidechain ();
154 boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
155 // end C++ class slavery!
157 uint32_t get_count () const { return _plugins.size(); }
158 bool strict_io () const { return _strict_io; }
159 bool custom_cfg () const { return _custom_cfg; }
161 bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
162 bool configure_io (ChanCount in, ChanCount out);
164 bool has_no_inputs() const;
165 bool has_no_audio_inputs() const;
166 bool needs_midi_input() const;
168 void realtime_handle_transport_stopped ();
169 void realtime_locate ();
170 void monitoring_changed ();
172 bool load_preset (Plugin::PresetRecord);
174 /** A control that manipulates a plugin parameter (control port). */
175 struct PluginControl : public AutomationControl
177 PluginControl (PluginInsert* p,
178 const Evoral::Parameter& param,
179 const ParameterDescriptor& desc,
180 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
182 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
183 void set_value_unchecked (double);
184 double get_value (void) const;
185 void catch_up_with_external_value (double val);
186 XMLNode& get_state();
189 PluginInsert* _plugin;
190 void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
193 /** A control that manipulates a plugin property (message). */
194 struct PluginPropertyControl : public AutomationControl
196 PluginPropertyControl (PluginInsert* p,
197 const Evoral::Parameter& param,
198 const ParameterDescriptor& desc,
199 boost::shared_ptr<AutomationList> list=boost::shared_ptr<AutomationList>());
201 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
202 void set_value_unchecked (double);
203 double get_value (void) const;
204 XMLNode& get_state();
207 PluginInsert* _plugin;
211 boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
212 if (num < _plugins.size()) {
213 return _plugins[num];
215 return _plugins[0]; // we always have one
219 framecnt_t plugin_latency () const;
221 bool has_sidechain () const {
222 return _sidechain ? true : false;
225 boost::shared_ptr<IO> sidechain_input () const {
227 return _sidechain->input ();
229 return boost::shared_ptr<IO> ();
234 std::string describe_parameter (Evoral::Parameter param);
236 framecnt_t signal_latency () const;
238 boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
240 void collect_signal_for_analysis (framecnt_t nframes);
242 bool strict_io_configured () const {
243 return _match.strict_io;
246 bool splitting () const {
247 return _match.method == Split;
250 void configured_io (ChanCount &in, ChanCount &out) const {
252 out = _configured_out;
255 PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
256 PBD::Signal0<void> PluginIoReConfigure;
257 PBD::Signal0<void> PluginMapChanged;
258 PBD::Signal0<void> PluginConfigChanged;
260 /** Enumeration of the ways in which we can match our insert's
261 * IO to that of the plugin(s).
263 enum MatchingMethod {
264 Impossible, ///< we can't
265 Delegate, ///< we are delegating to the plugin, and it can handle it
266 NoInputs, ///< plugin has no inputs, so anything goes
267 ExactMatch, ///< our insert's inputs are the same as the plugin's
268 Replicate, ///< we have multiple instances of the plugin
269 Split, ///< we copy one of our insert's inputs to multiple plugin inputs
270 Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
273 /** Description of how we can match our plugin's IO to our own insert IO */
275 Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
276 Match (MatchingMethod m, int32_t p,
277 bool strict = false, bool custom = false, ChanCount h = ChanCount ())
278 : method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
280 MatchingMethod method; ///< method to employ
281 int32_t plugins; ///< number of copies of the plugin that we need
282 ChanCount hide; ///< number of channels to hide
283 bool strict_io; ///< force in == out
284 bool custom_cfg; ///< custom config (if not strict)
288 /* disallow copy construction */
289 PluginInsert (const PluginInsert&);
291 void parameter_changed_externally (uint32_t, float);
293 void set_parameter (Evoral::Parameter param, float val);
295 float default_parameter_value (const Evoral::Parameter& param);
297 typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
300 boost::shared_ptr<SideChain> _sidechain;
302 boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
304 framecnt_t _signal_analysis_collected_nframes;
305 framecnt_t _signal_analysis_collect_nframes_max;
307 BufferSet _signal_analysis_inputs;
308 BufferSet _signal_analysis_outputs;
310 FixedDelay _delaybuffers;
312 ChanCount _configured_in;
313 ChanCount _configured_internal; // with side-chain
314 ChanCount _configured_out;
315 ChanCount _custom_out;
316 ChanCount _custom_sinks;
317 ChanCount _preset_out;
318 ChanCount _cached_sidechain_pins;
319 ChanCount _required_buffers;
325 bool _maps_from_state;
326 bool _mapping_changed;
328 Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
329 Match internal_can_support_io_configuration (ChanCount const &, ChanCount &) const;
330 Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
332 /** details of the match currently being used */
335 typedef std::map <uint32_t, ARDOUR::ChanMapping> PinMappings;
337 PinMappings _out_map;
338 ChanMapping _thru_map; // out-idx <= in-idx
340 void automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes);
341 void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
342 void bypass (BufferSet& bufs, pframes_t nframes);
343 void inplace_silence_unconnected (BufferSet&, const PinMappings&, framecnt_t nframes, framecnt_t offset) const;
345 void create_automatable_parameters ();
346 void control_list_automation_state_changed (Evoral::Parameter, AutoState);
347 void set_parameter_state_2X (const XMLNode& node, int version);
348 void set_control_ids (const XMLNode&, int version);
350 boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
351 void add_plugin (boost::shared_ptr<Plugin>);
353 void start_touch (uint32_t param_id);
354 void end_touch (uint32_t param_id);
356 void latency_changed (framecnt_t, framecnt_t);
357 bool _latency_changed;
360 } // namespace ARDOUR
362 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
364 #endif /* __ardour_plugin_insert_h__ */