Add Lua-bindings for inter-processor communication
[ardour.git] / libs / ardour / luabindings.cc
1 /*
2     Copyright (C) 2016 Robin Gareus <robin@gareus.org>
3
4     This program is free software; you can redistribute it and/or modify it
5     under the terms of the GNU General Public License as published by the Free
6     Software Foundation; either version 2 of the License, or (at your option)
7     any later version.
8
9     This program is distributed in the hope that it will be useful, but WITHOUT
10     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12     for more details.
13
14     You should have received a copy of the GNU General Public License along
15     with this program; if not, write to the Free Software Foundation, Inc.,
16     675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19 #include <glibmm.h>
20
21 #include "timecode/bbt_time.h"
22 #include "pbd/stateful_diff_command.h"
23 #include "pbd/openuri.h"
24 #include "evoral/Control.hpp"
25 #include "evoral/ControlList.hpp"
26 #include "evoral/Range.hpp"
27
28 #include "ardour/amp.h"
29 #include "ardour/audioengine.h"
30 #include "ardour/audiosource.h"
31 #include "ardour/audio_backend.h"
32 #include "ardour/audio_buffer.h"
33 #include "ardour/audio_port.h"
34 #include "ardour/audio_track.h"
35 #include "ardour/audioplaylist.h"
36 #include "ardour/buffer_set.h"
37 #include "ardour/chan_mapping.h"
38 #include "ardour/dB.h"
39 #include "ardour/dsp_filter.h"
40 #include "ardour/fluid_synth.h"
41 #include "ardour/interthread_info.h"
42 #include "ardour/lua_api.h"
43 #include "ardour/luabindings.h"
44 #include "ardour/luaproc.h"
45 #include "ardour/meter.h"
46 #include "ardour/midi_model.h"
47 #include "ardour/midi_track.h"
48 #include "ardour/midi_playlist.h"
49 #include "ardour/midi_port.h"
50 #include "ardour/midi_region.h"
51 #include "ardour/midi_source.h"
52 #include "ardour/phase_control.h"
53 #include "ardour/playlist.h"
54 #include "ardour/plugin.h"
55 #include "ardour/plugin_insert.h"
56 #include "ardour/port_manager.h"
57 #include "ardour/runtime_functions.h"
58 #include "ardour/region.h"
59 #include "ardour/region_factory.h"
60 #include "ardour/route_group.h"
61 #include "ardour/session.h"
62 #include "ardour/session_object.h"
63 #include "ardour/sidechain.h"
64 #include "ardour/solo_isolate_control.h"
65 #include "ardour/solo_safe_control.h"
66 #include "ardour/stripable.h"
67 #include "ardour/track.h"
68 #include "ardour/tempo.h"
69
70 #include "LuaBridge/LuaBridge.h"
71
72 #ifdef PLATFORM_WINDOWS
73 /* luabridge uses addresses of static functions/variables to identify classes.
74  *
75  * Static symbols on windows (even identical symbols) are not
76  * mapped to the same address when mixing .dll + .exe.
77  * So we need a single point to define those static functions.
78  * (normally they're header-only in libs/lua/LuaBridge/detail/ClassInfo.h)
79  *
80  * Really!! A static function with a static variable in a library header
81  * should never ever be replicated, even if it is a template.
82  * But then again this is windows... what else can go wrong ?!
83  */
84
85 template <class T>
86 void const*
87 luabridge::ClassInfo<T>::getStaticKey ()
88 {
89         static char value;
90         return &value;
91 }
92
93 template <class T>
94 void const*
95 luabridge::ClassInfo<T>::getClassKey ()
96 {
97         static char value;
98         return &value;
99 }
100
101 template <class T>
102 void const*
103 luabridge::ClassInfo<T>::getConstKey ()
104 {
105         static char value;
106         return &value;
107 }
108
109 void*
110 luabridge::getIdentityKey ()
111 {
112   static char value;
113   return &value;
114 }
115
116 /* ...and this is the ugly part of it.
117  *
118  * We need to foward declare classes from gtk2_ardour
119  * AND explicily list classes which are used by gtk2_ardour's bindings.
120  *
121  * This is required because some of the GUI classes use objects from libardour
122  * as function parameters or return values and the .exe would re-create
123  * symbols for libardour objects.
124  */
125
126 #define CLASSKEYS(CLS) \
127         template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
128         template void const* luabridge::ClassInfo< CLS >::getClassKey();  \
129         template void const* luabridge::ClassInfo< CLS >::getConstKey();
130
131 #define CLASSINFO(CLS) \
132         class CLS; \
133         template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
134         template void const* luabridge::ClassInfo< CLS >::getClassKey();  \
135         template void const* luabridge::ClassInfo< CLS >::getConstKey();
136
137 CLASSINFO(ArdourMarker);
138 CLASSINFO(MarkerSelection);
139 CLASSINFO(PublicEditor);
140 CLASSINFO(RegionSelection);
141 CLASSINFO(Selection);
142 CLASSINFO(TimeSelection);
143 CLASSINFO(TrackSelection);
144 CLASSINFO(TrackViewList);
145
146 CLASSKEYS(std::bitset<47ul>); // LuaSignal::LAST_SIGNAL
147
148 CLASSKEYS(void);
149 CLASSKEYS(float);
150 CLASSKEYS(unsigned char);
151
152 CLASSKEYS(ArdourMarker*);
153
154 CLASSKEYS(ARDOUR::AudioEngine);
155 CLASSKEYS(ARDOUR::BufferSet);
156 CLASSKEYS(ARDOUR::ChanCount);
157 CLASSKEYS(ARDOUR::ChanMapping);
158 CLASSKEYS(ARDOUR::DSP::DspShm);
159 CLASSKEYS(ARDOUR::DataType);
160 CLASSKEYS(ARDOUR::FluidSynth);
161 CLASSKEYS(ARDOUR::Location);
162 CLASSKEYS(ARDOUR::LuaAPI::Vamp);
163 CLASSKEYS(ARDOUR::LuaOSC::Address);
164 CLASSKEYS(ARDOUR::LuaProc);
165 CLASSKEYS(ARDOUR::LuaTableRef);
166 CLASSKEYS(ARDOUR::MidiModel::NoteDiffCommand);
167 CLASSKEYS(ARDOUR::MonitorProcessor);
168 CLASSKEYS(ARDOUR::RouteGroup);
169 CLASSKEYS(ARDOUR::ParameterDescriptor);
170 CLASSKEYS(ARDOUR::PeakMeter);
171 CLASSKEYS(ARDOUR::PluginInfo);
172 CLASSKEYS(ARDOUR::Plugin::PresetRecord);
173 CLASSKEYS(ARDOUR::PortEngine);
174 CLASSKEYS(ARDOUR::PortManager);
175 CLASSKEYS(ARDOUR::PresentationInfo);
176 CLASSKEYS(ARDOUR::Session);
177 CLASSKEYS(ARDOUR::SessionConfiguration);
178
179 CLASSKEYS(PBD::ID);
180 CLASSKEYS(PBD::Configuration);
181 CLASSKEYS(PBD::PropertyChange);
182
183 CLASSKEYS(Evoral::Beats);
184 CLASSKEYS(Evoral::Event<framepos_t>);
185
186
187 CLASSKEYS(std::vector<std::string>);
188 CLASSKEYS(std::vector<float>);
189 CLASSKEYS(std::vector<float*>);
190 CLASSKEYS(std::vector<double>);
191
192 CLASSKEYS(std::vector<ARDOUR::Plugin::PresetRecord>);
193 CLASSKEYS(std::vector<boost::shared_ptr<ARDOUR::Processor> >);
194
195 CLASSKEYS(std::list<ArdourMarker*>);
196 CLASSKEYS(std::list<ARDOUR::AudioRange>);
197 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Port> >);
198 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Region> >);
199 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Route> >);
200
201 CLASSKEYS(boost::shared_ptr<ARDOUR::Automatable>);
202 CLASSKEYS(boost::shared_ptr<ARDOUR::AutomatableSequence<Evoral::Beats> >);
203 CLASSKEYS(boost::shared_ptr<ARDOUR::AutomationList>);
204 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiModel>);
205 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiPlaylist>);
206 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiRegion>);
207 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiSource>);
208 CLASSKEYS(boost::shared_ptr<ARDOUR::PluginInfo>);
209 CLASSKEYS(boost::shared_ptr<ARDOUR::Processor>);
210 CLASSKEYS(boost::shared_ptr<ARDOUR::Region>);
211 CLASSKEYS(boost::shared_ptr<Evoral::ControlList>);
212 CLASSKEYS(boost::shared_ptr<Evoral::Note<Evoral::Beats> >);
213 CLASSKEYS(boost::shared_ptr<Evoral::Sequence<Evoral::Beats> >);
214
215 CLASSKEYS(boost::weak_ptr<ARDOUR::Route>);
216
217 CLASSKEYS(Vamp::RealTime);
218 CLASSKEYS(Vamp::PluginBase);
219 CLASSKEYS(Vamp::PluginBase::ParameterDescriptor);
220 CLASSKEYS(Vamp::Plugin);
221 CLASSKEYS(Vamp::Plugin::OutputDescriptor);
222 CLASSKEYS(Vamp::Plugin::Feature);
223 CLASSKEYS(Vamp::Plugin::OutputList);
224 CLASSKEYS(Vamp::Plugin::FeatureList);
225 CLASSKEYS(Vamp::Plugin::FeatureSet);
226
227 namespace LuaCairo {
228         class ImageSurface;
229         class PangoLayout;
230 }
231 namespace Cairo {
232         class Context;
233 }
234
235 CLASSKEYS(Cairo::Context);
236 CLASSKEYS(LuaCairo::ImageSurface);
237 CLASSKEYS(LuaCairo::PangoLayout);
238
239 #endif // end windows special case
240
241 /* Some notes on Lua bindings for libardour and friends
242  *
243  * - Prefer factory methods over Contructors whenever possible.
244  *   Don't expose the constructor method unless required.
245  *
246  *   e.g. Don't allow the script to construct a "Track" Object directly
247  *   but do allow to create a "BBT_TIME" object.
248  *
249  * - Do not dereference Shared or Weak Pointers. Pass the pointer to Lua.
250  * - Define Objects as boost:shared_ptr Object whenever possible.
251  *
252  *   Storing a boost::shared_ptr in a Lua-variable keeps the reference
253  *   until that variable is set to 'nil'.
254  *   (if the script were to keep a direct pointer to the object instance, the
255  *   behaviour is undefined if the actual object goes away)
256  *
257  *   Methods of the actual class are indirectly exposed,
258  *   boost::*_ptr get() and ::lock() is implicit when the class is exported
259  *   as LuaBridge's "WSPtrClass".
260  */
261
262 using namespace ARDOUR;
263
264 void
265 LuaBindings::stddef (lua_State* L)
266 {
267         // std::list<std::string>
268         luabridge::getGlobalNamespace (L)
269                 .beginNamespace ("C")
270                 .beginStdList <std::string> ("StringList")
271                 .endClass ()
272
273         // std::vector<std::string>
274                 .beginStdVector <std::string> ("StringVector")
275                 .endClass ()
276
277         // std::vector<float>
278                 .beginStdVector <float> ("FloatVector")
279                 .endClass ()
280
281         // register float array (uint8_t*)
282                 .registerArray <uint8_t> ("ByteArray")
283
284         // register float array (float*)
285                 .registerArray <float> ("FloatArray")
286
287         // register float array (int32_t*)
288                 .registerArray <int32_t> ("IntArray")
289
290         // std::vector<float*>
291                 .beginStdVector <float*> ("FloatArrayVector")
292                 .endClass ()
293
294         // TODO std::set
295                 .endNamespace ();
296 }
297
298 void
299 LuaBindings::common (lua_State* L)
300 {
301         luabridge::getGlobalNamespace (L)
302                 .beginNamespace ("PBD")
303
304                 .addFunction ("open_uri", (bool (*) (const std::string&))&PBD::open_uri)
305                 .addFunction ("open_uri", &PBD::open_folder)
306
307                 .beginClass <PBD::ID> ("ID")
308                 .addConstructor <void (*) (std::string)> ()
309                 .addFunction ("to_s", &PBD::ID::to_s) // TODO special case LUA __tostring ?
310                 .endClass ()
311
312                 .beginStdVector <PBD::ID> ("IdVector").endClass ()
313
314                 .beginClass <XMLNode> ("XMLNode")
315                 .addFunction ("name", &XMLNode::name)
316                 .endClass ()
317
318                 .beginClass <PBD::Stateful> ("Stateful")
319                 .addFunction ("id", &PBD::Stateful::id)
320                 .addFunction ("properties", &PBD::Stateful::properties)
321                 .addFunction ("clear_changes", &PBD::Stateful::clear_changes)
322                 .endClass ()
323
324                 .beginWSPtrClass <PBD::Stateful> ("StatefulPtr")
325                 .addFunction ("id", &PBD::Stateful::id)
326                 .addFunction ("properties", &PBD::Stateful::properties)
327                 .addFunction ("clear_changes", &PBD::Stateful::clear_changes)
328                 .endClass ()
329
330                 .deriveClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructible")
331                 .endClass ()
332
333                 .deriveClass <PBD::Configuration, PBD::Stateful> ("Configuration")
334                 .endClass()
335
336                 .deriveWSPtrClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructiblePtr")
337                 .endClass ()
338
339                 .deriveClass <Command, PBD::StatefulDestructible> ("Command")
340                 .addFunction ("set_name", &Command::set_name)
341                 .addFunction ("name", &Command::name)
342                 .endClass ()
343
344                 /* UndoTransaction::add_command() subscribes to DropReferences()
345                  * and deletes the object.
346                  *
347                  * This object cannot be constructed by lua because lua would manage lifetime
348                  * and delete the object leading to a double free.
349                  *
350                  * use Session::add_stateful_diff_command()
351                  * and Session::abort_reversible_command()
352                  */
353                 .deriveClass <PBD::StatefulDiffCommand, Command> ("StatefulDiffCommand")
354                 .addFunction ("undo", &PBD::StatefulDiffCommand::undo)
355                 .addFunction ("empty", &PBD::StatefulDiffCommand::empty)
356                 .endClass ()
357
358                 .deriveWSPtrClass <PBD::Controllable, PBD::StatefulDestructible> ("Controllable")
359                 .addFunction ("name", &PBD::Controllable::name)
360                 .addFunction ("get_value", &PBD::Controllable::get_value)
361                 .endClass ()
362
363                 .beginClass <PBD::RingBufferNPT <uint8_t> > ("RingBuffer8")
364                 .addConstructor <void (*) (size_t)> ()
365                 .addFunction ("reset", &PBD::RingBufferNPT<uint8_t>::reset)
366                 .addFunction ("read", &PBD::RingBufferNPT<uint8_t>::read)
367                 .addFunction ("write", &PBD::RingBufferNPT<uint8_t>::write)
368                 .addFunction ("write_one", &PBD::RingBufferNPT<uint8_t>::write_one)
369                 .addFunction ("write_space", &PBD::RingBufferNPT<uint8_t>::write_space)
370                 .addFunction ("read_space", &PBD::RingBufferNPT<uint8_t>::read_space)
371                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<uint8_t>::increment_read_ptr)
372                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<uint8_t>::increment_write_ptr)
373                 .endClass ()
374
375                 .beginClass <PBD::RingBufferNPT <float> > ("RingBufferF")
376                 .addConstructor <void (*) (size_t)> ()
377                 .addFunction ("reset", &PBD::RingBufferNPT<float>::reset)
378                 .addFunction ("read", &PBD::RingBufferNPT<float>::read)
379                 .addFunction ("write", &PBD::RingBufferNPT<float>::write)
380                 .addFunction ("write_one", &PBD::RingBufferNPT<float>::write_one)
381                 .addFunction ("write_space", &PBD::RingBufferNPT<float>::write_space)
382                 .addFunction ("read_space", &PBD::RingBufferNPT<float>::read_space)
383                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<float>::increment_read_ptr)
384                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<float>::increment_write_ptr)
385                 .endClass ()
386
387                 .beginClass <PBD::RingBufferNPT <int> > ("RingBufferI")
388                 .addConstructor <void (*) (size_t)> ()
389                 .addFunction ("reset", &PBD::RingBufferNPT<int>::reset)
390                 .addFunction ("read", &PBD::RingBufferNPT<int>::read)
391                 .addFunction ("write", &PBD::RingBufferNPT<int>::write)
392                 .addFunction ("write_one", &PBD::RingBufferNPT<int>::write_one)
393                 .addFunction ("write_space", &PBD::RingBufferNPT<int>::write_space)
394                 .addFunction ("read_space", &PBD::RingBufferNPT<int>::read_space)
395                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<int>::increment_read_ptr)
396                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<int>::increment_write_ptr)
397                 .endClass ()
398
399                 /* PBD enums */
400                 .beginNamespace ("GroupControlDisposition")
401                 .addConst ("InverseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::InverseGroup))
402                 .addConst ("NoGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::NoGroup))
403                 .addConst ("UseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::UseGroup))
404                 .endNamespace ()
405
406                 .endNamespace (); // PBD
407
408         luabridge::getGlobalNamespace (L)
409                 .beginNamespace ("Timecode")
410                 .beginClass <Timecode::BBT_Time> ("BBT_TIME")
411                 .addConstructor <void (*) (uint32_t, uint32_t, uint32_t)> ()
412                 .addData ("bars", &Timecode::BBT_Time::bars)
413                 .addData ("beats", &Timecode::BBT_Time::beats)
414                 .addData ("ticks", &Timecode::BBT_Time::ticks)
415                 //.addStaticData ("ticks_per_beat", &Timecode::BBT_Time::ticks_per_beat, false)
416                 .endClass ()
417
418                 /* libtimecode enums */
419                 .beginNamespace ("TimecodeFormat")
420                 .addConst ("TC23976", Timecode::TimecodeFormat(Timecode::timecode_23976))
421                 .addConst ("TC24", Timecode::TimecodeFormat(Timecode::timecode_24))
422                 .addConst ("TC24976", Timecode::TimecodeFormat(Timecode::timecode_24976))
423                 .addConst ("TC25", Timecode::TimecodeFormat(Timecode::timecode_25))
424                 .addConst ("TC2997", Timecode::TimecodeFormat(Timecode::timecode_2997))
425                 .addConst ("TC2997DF", Timecode::TimecodeFormat(Timecode::timecode_2997drop))
426                 .addConst ("TC2997000", Timecode::TimecodeFormat(Timecode::timecode_2997000))
427                 .addConst ("TC2997000DF", Timecode::TimecodeFormat(Timecode::timecode_2997000drop))
428                 .addConst ("TC30", Timecode::TimecodeFormat(Timecode::timecode_30))
429                 .addConst ("TC5994", Timecode::TimecodeFormat(Timecode::timecode_5994))
430                 .addConst ("TC60", Timecode::TimecodeFormat(Timecode::timecode_60))
431                 .endNamespace ()
432                 .endNamespace ();
433
434         luabridge::getGlobalNamespace (L)
435
436                 .beginNamespace ("Evoral")
437                 .beginClass <Evoral::Event<framepos_t> > ("Event")
438                 .addFunction ("clear", &Evoral::Event<framepos_t>::clear)
439                 .addFunction ("size", &Evoral::Event<framepos_t>::size)
440                 .addFunction ("set_buffer", &Evoral::Event<framepos_t>::set_buffer)
441                 .addFunction ("buffer", (uint8_t*(Evoral::Event<framepos_t>::*)())&Evoral::Event<framepos_t>::buffer)
442                 .addFunction ("time", (framepos_t (Evoral::Event<framepos_t>::*)())&Evoral::MIDIEvent<framepos_t>::time)
443                 .endClass ()
444
445                 .beginClass <Evoral::Beats> ("Beats")
446                 .addConstructor <void (*) (double)> ()
447                 .addFunction ("to_double", &Evoral::Beats::to_double)
448                 .endClass ()
449
450                 .beginClass <Evoral::Parameter> ("Parameter")
451                 .addConstructor <void (*) (uint32_t, uint8_t, uint32_t)> ()
452                 .addFunction ("type", &Evoral::Parameter::type)
453                 .addFunction ("channel", &Evoral::Parameter::channel)
454                 .addFunction ("id", &Evoral::Parameter::id)
455                 .endClass ()
456
457                 .beginWSPtrClass <Evoral::ControlList> ("ControlList")
458                 .addFunction ("add", &Evoral::ControlList::add)
459                 .addFunction ("thin", &Evoral::ControlList::thin)
460                 .addFunction ("eval", &Evoral::ControlList::eval)
461                 .addRefFunction ("rt_safe_eval", &Evoral::ControlList::rt_safe_eval)
462                 .addFunction ("interpolation", &Evoral::ControlList::interpolation)
463                 .addFunction ("set_interpolation", &Evoral::ControlList::set_interpolation)
464                 .addFunction ("truncate_end", &Evoral::ControlList::truncate_end)
465                 .addFunction ("truncate_start", &Evoral::ControlList::truncate_start)
466                 .addFunction ("clear", (void (Evoral::ControlList::*)(double, double))&Evoral::ControlList::clear)
467                 .addFunction ("in_write_pass", &Evoral::ControlList::in_write_pass)
468                 .endClass ()
469
470                 .beginWSPtrClass <Evoral::ControlSet> ("ControlSet")
471                 .endClass ()
472
473                 .beginWSPtrClass <Evoral::Control> ("Control")
474                 .addFunction ("list", (boost::shared_ptr<Evoral::ControlList>(Evoral::Control::*)())&Evoral::Control::list)
475                 .endClass ()
476
477                 .beginClass <Evoral::ParameterDescriptor> ("ParameterDescriptor")
478                 .addVoidConstructor ()
479                 .addData ("lower", &Evoral::ParameterDescriptor::lower)
480                 .addData ("upper", &Evoral::ParameterDescriptor::upper)
481                 .addData ("normal", &Evoral::ParameterDescriptor::normal)
482                 .addData ("toggled", &Evoral::ParameterDescriptor::toggled)
483                 .endClass ()
484
485                 .beginClass <Evoral::Range<framepos_t> > ("Range")
486                 .addConstructor <void (*) (framepos_t, framepos_t)> ()
487                 .addData ("from", &Evoral::Range<framepos_t>::from)
488                 .addData ("to", &Evoral::Range<framepos_t>::to)
489                 .endClass ()
490
491                 .deriveWSPtrClass <Evoral::Sequence<Evoral::Beats>, Evoral::ControlSet> ("Sequence")
492                 .endClass ()
493
494                 .beginWSPtrClass <Evoral::Note<Evoral::Beats> > ("NotePtr")
495                 .addFunction ("time", &Evoral::Note<Evoral::Beats>::time)
496                 .addFunction ("note", &Evoral::Note<Evoral::Beats>::note)
497                 .addFunction ("velocity", &Evoral::Note<Evoral::Beats>::velocity)
498                 .addFunction ("off_velocity", &Evoral::Note<Evoral::Beats>::off_velocity)
499                 .addFunction ("length", &Evoral::Note<Evoral::Beats>::length)
500                 .addFunction ("channel", &Evoral::Note<Evoral::Beats>::channel)
501                 .endClass ()
502
503                 /* libevoral enums */
504                 .beginNamespace ("InterpolationStyle")
505                 .addConst ("Discrete", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Discrete))
506                 .addConst ("Linear", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Linear))
507                 .addConst ("Curved", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Curved))
508                 .endNamespace ()
509
510                 .endNamespace () // Evoral
511
512                 .beginNamespace ("Vamp")
513
514                 .beginClass<Vamp::RealTime> ("RealTime")
515                 .addConstructor <void (*) (int, int)> ()
516                 .addData ("sec", &Vamp::RealTime::sec, false)
517                 .addData ("nsec", &Vamp::RealTime::nsec, false)
518                 .addFunction ("usec", &Vamp::RealTime::usec)
519                 .addFunction ("msec", &Vamp::RealTime::msec)
520                 .addFunction ("toString", &Vamp::RealTime::toString)
521                 .addStaticFunction ("realTime2Frame", &Vamp::RealTime::realTime2Frame)
522                 .addStaticFunction ("frame2RealTime", &Vamp::RealTime::frame2RealTime)
523                 .endClass ()
524
525                 .beginClass<Vamp::PluginBase> ("PluginBase")
526                 .addFunction ("getIdentifier", &Vamp::PluginBase::getIdentifier)
527                 .addFunction ("getName", &Vamp::PluginBase::getName)
528                 .addFunction ("getDescription", &Vamp::PluginBase::getDescription)
529                 .addFunction ("getMaker", &Vamp::PluginBase::getMaker)
530                 .addFunction ("getCopyright", &Vamp::PluginBase::getCopyright)
531                 .addFunction ("getPluginVersion", &Vamp::PluginBase::getPluginVersion)
532                 .addFunction ("getParameterDescriptors", &Vamp::PluginBase::getParameterDescriptors)
533                 .addFunction ("getParameter", &Vamp::PluginBase::getParameter)
534                 .addFunction ("setParameter", &Vamp::PluginBase::setParameter)
535                 .addFunction ("getPrograms", &Vamp::PluginBase::getPrograms)
536                 .addFunction ("getCurrentProgram", &Vamp::PluginBase::getCurrentProgram)
537                 .addFunction ("selectProgram", &Vamp::PluginBase::selectProgram)
538                 .addFunction ("getType", &Vamp::PluginBase::getType)
539                 .endClass ()
540
541                 .beginNamespace ("PluginBase")
542                 .beginClass<Vamp::PluginBase::ParameterDescriptor> ("ParameterDescriptor")
543                 .addData ("identifier", &Vamp::PluginBase::ParameterDescriptor::identifier)
544                 .addData ("name", &Vamp::PluginBase::ParameterDescriptor::name)
545                 .addData ("description", &Vamp::PluginBase::ParameterDescriptor::description)
546                 .addData ("unit", &Vamp::PluginBase::ParameterDescriptor::unit)
547                 .addData ("minValue", &Vamp::PluginBase::ParameterDescriptor::minValue)
548                 .addData ("maxValue", &Vamp::PluginBase::ParameterDescriptor::maxValue)
549                 .addData ("defaultValue", &Vamp::PluginBase::ParameterDescriptor::defaultValue)
550                 .addData ("isQuantized", &Vamp::PluginBase::ParameterDescriptor::isQuantized)
551                 .addData ("quantizeStep", &Vamp::PluginBase::ParameterDescriptor::quantizeStep)
552                 .addData ("valueNames", &Vamp::PluginBase::ParameterDescriptor::valueNames)
553                 .endClass ()
554
555                 .beginStdVector <Vamp::PluginBase::ParameterDescriptor> ("ParameterList")
556                 .endClass ()
557                 .endNamespace () // Vamp::PluginBase
558
559                 .deriveClass<Vamp::Plugin, Vamp::PluginBase> ("Plugin")
560                 //.addFunction ("process", &Vamp::Plugin::process) // unusable due to  float*const* -> LuaAPI::Vamp::process
561                 .addFunction ("initialise", &Vamp::Plugin::initialise)
562                 .addFunction ("reset", &Vamp::Plugin::reset)
563                 .addFunction ("getInputDomain", &Vamp::Plugin::getInputDomain)
564                 .addFunction ("getPreferredBlockSize", &Vamp::Plugin::getPreferredBlockSize)
565                 .addFunction ("getPreferredStepSize", &Vamp::Plugin::getPreferredStepSize)
566                 .addFunction ("getMinChannelCount", &Vamp::Plugin::getMinChannelCount)
567                 .addFunction ("getMaxChannelCount", &Vamp::Plugin::getMaxChannelCount)
568                 .addFunction ("getOutputDescriptors", &Vamp::Plugin::getOutputDescriptors)
569                 .addFunction ("getRemainingFeatures", &Vamp::Plugin::getRemainingFeatures)
570                 .addFunction ("getType", &Vamp::Plugin::getType)
571                 .endClass ()
572
573                 .beginNamespace ("Plugin")
574                 .beginClass<Vamp::Plugin::OutputDescriptor> ("OutputDescriptor")
575                 .addData ("identifier", &Vamp::Plugin::OutputDescriptor::identifier)
576                 .addData ("description", &Vamp::Plugin::OutputDescriptor::description)
577                 .addData ("unit", &Vamp::Plugin::OutputDescriptor::unit)
578                 .addData ("hasFixedBinCount", &Vamp::Plugin::OutputDescriptor::hasFixedBinCount)
579                 .addData ("binCount", &Vamp::Plugin::OutputDescriptor::binCount)
580                 .addData ("binNames", &Vamp::Plugin::OutputDescriptor::binNames)
581                 .addData ("hasKnownExtents", &Vamp::Plugin::OutputDescriptor::hasKnownExtents)
582                 .addData ("minValue", &Vamp::Plugin::OutputDescriptor::minValue)
583                 .addData ("maxValue", &Vamp::Plugin::OutputDescriptor::maxValue)
584                 .addData ("isQuantized", &Vamp::Plugin::OutputDescriptor::isQuantized)
585                 .addData ("quantizeStep", &Vamp::Plugin::OutputDescriptor::quantizeStep)
586                 .addData ("sampleType", &Vamp::Plugin::OutputDescriptor::sampleType)
587                 .addData ("sampleRate", &Vamp::Plugin::OutputDescriptor::sampleRate)
588                 .addData ("hasDuration", &Vamp::Plugin::OutputDescriptor::hasDuration)
589                 .endClass ()
590
591                 /* Vamp::Plugin enums */
592                 .beginNamespace ("InputDomain")
593                 .addConst ("TimeDomain", Vamp::Plugin::InputDomain(Vamp::Plugin::TimeDomain))
594                 .addConst ("FrequencyDomain", Vamp::Plugin::InputDomain(Vamp::Plugin::FrequencyDomain))
595                 .endNamespace ()
596
597                 /* Vamp::Plugin::OutputDescriptor enum */
598                 .beginNamespace ("OutputDescriptor")
599                 .beginNamespace ("SampleType")
600                 .addConst ("OneSamplePerStep", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::OneSamplePerStep))
601                 .addConst ("FixedSampleRate", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::FixedSampleRate))
602                 .addConst ("VariableSampleRate", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::VariableSampleRate))
603                 .endNamespace ()
604                 .endNamespace () /* Vamp::Plugin::OutputDescriptor */
605
606                 .beginClass<Vamp::Plugin::Feature> ("Feature")
607                 .addData ("hasTimestamp", &Vamp::Plugin::Feature::hasTimestamp, false)
608                 .addData ("timestamp", &Vamp::Plugin::Feature::timestamp, false)
609                 .addData ("hasDuration", &Vamp::Plugin::Feature::hasDuration, false)
610                 .addData ("duration", &Vamp::Plugin::Feature::duration, false)
611                 .addData ("values", &Vamp::Plugin::Feature::values, false)
612                 .addData ("label", &Vamp::Plugin::Feature::label, false)
613                 .endClass ()
614
615                 .beginStdVector <Vamp::Plugin::OutputDescriptor> ("OutputList")
616                 .endClass ()
617
618                 .beginStdVector <Vamp::Plugin::Feature> ("FeatureList")
619                 .endClass ()
620
621                 .beginStdMap <int, Vamp::Plugin::FeatureList> ("FeatureSet")
622                 .endClass ()
623
624                 .endNamespace () // Vamp::Plugin
625                 .endNamespace () // Vamp
626
627                 .beginNamespace ("ARDOUR")
628
629                 .beginClass <InterThreadInfo> ("InterThreadInfo")
630                 .addVoidConstructor ()
631                 .addData ("done", const_cast<bool InterThreadInfo::*>(&InterThreadInfo::done))
632 #if 0 // currently unused, lua is single-threaded, no custom UIs.
633                 .addData ("cancel", (bool InterThreadInfo::*)&InterThreadInfo::cancel)
634 #endif
635                 .addData ("progress", const_cast<float InterThreadInfo::*>(&InterThreadInfo::progress))
636                 .endClass ()
637
638                 .beginClass <AudioRange> ("AudioRange")
639                 .addConstructor <void (*) (framepos_t, framepos_t, uint32_t)> ()
640                 .addFunction ("length", &AudioRange::length)
641                 .addFunction ("equal", &AudioRange::equal)
642                 .addData ("start", &AudioRange::start)
643                 .addData ("_end", &AudioRange::end) // XXX "end" is a lua reserved word
644                 .addData ("id", &AudioRange::id)
645                 .endClass ()
646
647                 .beginWSPtrClass <PluginInfo> ("PluginInfo")
648                 .addVoidConstructor ()
649                 .addData ("name", &PluginInfo::name, false)
650                 .addData ("category", &PluginInfo::category, false)
651                 .addData ("creator", &PluginInfo::creator, false)
652                 .addData ("path", &PluginInfo::path, false)
653                 .addData ("n_inputs", &PluginInfo::n_inputs, false)
654                 .addData ("n_outputs", &PluginInfo::n_outputs, false)
655                 .addData ("type", &PluginInfo::type, false)
656                 .addData ("unique_id", &PluginInfo::unique_id, false)
657                 .addFunction ("is_instrument", &PluginInfo::is_instrument)
658                 .addFunction ("get_presets", &PluginInfo::get_presets)
659                 .endClass ()
660
661                 .beginNamespace ("Route")
662                 .beginClass <Route::ProcessorStreams> ("ProcessorStreams")
663                 .addVoidConstructor ()
664                 .endClass ()
665                 .endNamespace ()
666
667                 .beginClass <ChanMapping> ("ChanMapping")
668                 .addVoidConstructor ()
669                 .addFunction ("get", static_cast<uint32_t(ChanMapping::*)(DataType, uint32_t) const>(&ChanMapping::get))
670                 .addFunction ("set", &ChanMapping::set)
671                 .addFunction ("count", &ChanMapping::count)
672                 .addFunction ("n_total", &ChanMapping::n_total)
673                 .addFunction ("is_monotonic", &ChanMapping::is_monotonic)
674                 .addConst ("Invalid", 4294967295U) // UINT32_MAX
675                 .endClass ()
676
677                 .beginNamespace ("Properties")
678                 // templated class definitions
679                 .beginClass <PBD::PropertyDescriptor<bool> > ("BoolProperty").endClass ()
680                 .beginClass <PBD::PropertyDescriptor<float> > ("FloatProperty").endClass ()
681                 .beginClass <PBD::PropertyDescriptor<framepos_t> > ("FrameposProperty").endClass ()
682                 // actual references (TODO: also expose GQuark for std::set)
683                 //   ardour/region.h
684                 .addConst ("Start", &ARDOUR::Properties::start)
685                 .addConst ("Length", &ARDOUR::Properties::length)
686                 .addConst ("Position", &ARDOUR::Properties::position)
687                 .endNamespace ()
688
689                 .beginClass <PBD::PropertyChange> ("PropertyChange")
690                 // TODO add special handling (std::set<PropertyID>), PropertyID is a GQuark.
691                 // -> direct map to lua table  beginStdSet()A
692                 //
693                 // expand templated PropertyDescriptor<T>
694                 .addFunction ("containsBool", &PBD::PropertyChange::contains<bool>)
695                 .addFunction ("containsFloat", &PBD::PropertyChange::contains<float>)
696                 .addFunction ("containsFramePos", &PBD::PropertyChange::contains<framepos_t>)
697                 .endClass ()
698
699                 .beginClass <PBD::PropertyList> ("PropertyList")
700                 // is-a  std::map<PropertyID, PropertyBase*>
701                 .endClass ()
702
703                 .deriveClass <PBD::OwnedPropertyList, PBD::PropertyList> ("OwnedPropertyList")
704                 .endClass ()
705
706                 .beginWSPtrClass <AutomationList> ("AutomationList")
707                 .addCast<PBD::Stateful> ("to_stateful")
708                 .addCast<PBD::StatefulDestructible> ("to_statefuldestructible")
709                 .addCast<Evoral::ControlList> ("list")
710                 .addFunction ("get_state", &AutomationList::get_state)
711                 .addFunction ("memento_command", &AutomationList::memento_command)
712                 .addFunction ("touching", &AutomationList::touching)
713                 .addFunction ("writing", &AutomationList::writing)
714                 .addFunction ("touch_enabled", &AutomationList::touch_enabled)
715                 .endClass ()
716
717                 .deriveClass <Location, PBD::StatefulDestructible> ("Location")
718                 .addFunction ("name", &Location::name)
719                 .addFunction ("locked", &Location::locked)
720                 .addFunction ("lock", &Location::lock)
721                 .addFunction ("unlock", &Location::unlock)
722                 .addFunction ("start", &Location::start)
723                 .addFunction ("_end", &Location::end) // XXX "end" is a lua reserved word
724                 .addFunction ("length", &Location::length)
725                 .addFunction ("set_start", &Location::set_start)
726                 .addFunction ("set_end", &Location::set_end)
727                 .addFunction ("set_length", &Location::set)
728                 .addFunction ("move_to", &Location::move_to)
729                 .addFunction ("matches", &Location::matches)
730                 .addFunction ("flags", &Location::flags)
731                 .addFunction ("is_auto_punch", &Location::is_auto_punch)
732                 .addFunction ("is_auto_loop", &Location::is_auto_loop)
733                 .addFunction ("is_mark", &Location::is_mark)
734                 .addFunction ("is_hidden", &Location::is_hidden)
735                 .addFunction ("is_cd_marker", &Location::is_cd_marker)
736                 .addFunction ("is_session_range", &Location::is_session_range)
737                 .addFunction ("is_range_marker", &Location::is_range_marker)
738                 .endClass ()
739
740                 .deriveClass <Locations, PBD::StatefulDestructible> ("Locations")
741                 .addFunction ("list", static_cast<Locations::LocationList (Locations::*)()>(&Locations::list))
742                 .addFunction ("auto_loop_location", &Locations::auto_loop_location)
743                 .addFunction ("auto_punch_location", &Locations::auto_punch_location)
744                 .addFunction ("session_range_location", &Locations::session_range_location)
745                 .addFunction ("first_mark_after", &Locations::first_mark_after)
746                 .addFunction ("first_mark_before", &Locations::first_mark_before)
747                 .addFunction ("first_mark_at", &Locations::mark_at)
748                 .addFunction ("remove", &Locations::remove)
749                 .addRefFunction ("marks_either_side", &Locations::marks_either_side)
750                 .addRefFunction ("find_all_between", &Locations::find_all_between)
751                 .endClass ()
752
753                 .beginWSPtrClass <SessionObject> ("SessionObject")
754                 /* SessionObject is-a PBD::StatefulDestructible,
755                  * but multiple inheritance is not covered by luabridge,
756                  * we need explicit casts */
757                 .addCast<PBD::Stateful> ("to_stateful")
758                 .addCast<PBD::StatefulDestructible> ("to_statefuldestructible")
759                 .addFunction ("name", &SessionObject::name)
760                 .endClass ()
761
762                 .beginWSPtrClass <Port> ("Port")
763                 .addCast<MidiPort> ("to_midiport")
764                 .addCast<AudioPort> ("to_audioport")
765                 .addFunction ("name", &Port::name)
766                 .addFunction ("pretty_name", &Port::pretty_name)
767                 .addFunction ("receives_input", &Port::receives_input)
768                 .addFunction ("sends_output", &Port::sends_output)
769                 .addFunction ("connected", &Port::connected)
770                 .addFunction ("disconnect_all", &Port::disconnect_all)
771                 .addFunction ("connected_to_name", (bool (Port::*)(std::string const &)const)&Port::connected_to)
772                 .addFunction ("connect_by_name", (int (Port::*)(std::string const &))&Port::connect)
773                 .addFunction ("disconnect_by_name", (int (Port::*)(std::string const &))&Port::disconnect)
774                 .addFunction ("connected_to", (bool (Port::*)(Port*)const)&Port::connected_to)
775                 .addFunction ("connect", (int (Port::*)(Port*))&Port::connect)
776                 .addFunction ("disconnect", (int (Port::*)(Port*))&Port::disconnect)
777                 //.addStaticFunction ("port_offset", &Port::port_offset) // static
778                 .endClass ()
779
780                 .deriveWSPtrClass <AudioPort, Port> ("AudioPort")
781                 .endClass ()
782
783                 .deriveWSPtrClass <MidiPort, Port> ("MidiPort")
784                 .addFunction ("input_active", &MidiPort::input_active)
785                 .addFunction ("set_input_active", &MidiPort::set_input_active)
786                 .addFunction ("get_midi_buffer", &MidiPort::get_midi_buffer) // DSP only
787                 .endClass ()
788
789                 .beginWSPtrClass <PortSet> ("PortSet")
790                 .addFunction ("num_ports", (size_t (PortSet::*)(DataType)const)&PortSet::num_ports)
791                 .addFunction ("add", &PortSet::add)
792                 .addFunction ("remove", &PortSet::remove)
793                 .addFunction ("port", (boost::shared_ptr<Port> (PortSet::*)(DataType, size_t)const)&PortSet::port)
794                 .addFunction ("contains", &PortSet::contains)
795                 .addFunction ("clear", &PortSet::clear)
796                 .addFunction ("empty", &PortSet::empty)
797                 .endClass ()
798
799                 .deriveWSPtrClass <IO, SessionObject> ("IO")
800                 .addFunction ("active", &IO::active)
801                 .addFunction ("add_port", &IO::add_port)
802                 .addFunction ("remove_port", &IO::remove_port)
803                 .addFunction ("connect", &IO::connect)
804                 .addFunction ("disconnect", (int (IO::*)(boost::shared_ptr<Port>, std::string, void *))&IO::disconnect)
805                 .addFunction ("physically_connected", &IO::physically_connected)
806                 .addFunction ("has_port", &IO::has_port)
807                 .addFunction ("nth", &IO::nth)
808                 .addFunction ("audio", &IO::audio)
809                 .addFunction ("midi", &IO::midi)
810                 .addFunction ("port_by_name", &IO::nth)
811                 .addFunction ("n_ports", &IO::n_ports)
812                 .endClass ()
813
814                 .beginClass <RouteGroup> ("RouteGroup")
815                 // stub RouteGroup* is needed for new_audio_track()
816                 .endClass ()
817
818                 .deriveClass <PresentationInfo, PBD::Stateful> ("PresentationInfo")
819                 .addFunction ("color", &PresentationInfo::color)
820                 .addFunction ("set_color", &PresentationInfo::set_color)
821                 .addFunction ("order", &PresentationInfo::order)
822                 .endClass ()
823
824                 .deriveWSPtrClass <Stripable, SessionObject> ("Stripable")
825                 .addCast<Route> ("to_route")
826                 .addFunction ("is_auditioner", &Stripable::is_auditioner)
827                 .addFunction ("is_master", &Stripable::is_master)
828                 .addFunction ("is_monitor", &Stripable::is_monitor)
829                 .addFunction ("is_hidden", &Stripable::is_hidden)
830                 .addFunction ("is_selected", &Stripable::is_selected)
831                 .addFunction ("gain_control", &Stripable::gain_control)
832                 .addFunction ("solo_control", &Stripable::solo_control)
833                 .addFunction ("solo_isolate_control", &Stripable::solo_isolate_control)
834                 .addFunction ("solo_safe_control", &Stripable::solo_safe_control)
835                 .addFunction ("mute_control", &Stripable::mute_control)
836                 .addFunction ("phase_control", &Stripable::phase_control)
837                 .addFunction ("trim_control", &Stripable::trim_control)
838                 .addFunction ("rec_enable_control", &Stripable::rec_enable_control)
839                 .addFunction ("rec_safe_control", &Stripable::rec_safe_control)
840                 .addFunction ("pan_azimuth_control", &Stripable::pan_azimuth_control)
841                 .addFunction ("pan_elevation_control", &Stripable::pan_elevation_control)
842                 .addFunction ("pan_width_control", &Stripable::pan_width_control)
843                 .addFunction ("pan_frontback_control", &Stripable::pan_frontback_control)
844                 .addFunction ("pan_lfe_control", &Stripable::pan_lfe_control)
845                 .addFunction ("send_level_control", &Stripable::send_level_controllable)
846                 .addFunction ("send_enable_control", &Stripable::send_level_controllable)
847                 .addFunction ("send_name", &Stripable::send_name)
848                 .addFunction ("monitor_control", &Stripable::monitor_control)
849                 .addFunction ("master_send_enable_control ", &Stripable::master_send_enable_controllable )
850                 .addFunction ("comp_enable_control ", &Stripable::comp_enable_controllable )
851                 .addFunction ("comp_threshold_control ", &Stripable::comp_threshold_controllable )
852                 .addFunction ("comp_speed_control ", &Stripable::comp_speed_controllable )
853                 .addFunction ("comp_mode_control ", &Stripable::comp_mode_controllable )
854                 .addFunction ("comp_makeup_control ", &Stripable::comp_makeup_controllable )
855                 .addFunction ("comp_redux_control ", &Stripable::comp_redux_controllable )
856                 .addFunction ("comp_mode_name", &Stripable::comp_mode_name)
857                 .addFunction ("comp_speed_name", &Stripable::comp_speed_name)
858                 .addFunction ("eq_band_cnt ", &Stripable::eq_band_cnt)
859                 .addFunction ("eq_band_name", &Stripable::eq_band_name)
860                 .addFunction ("eq_gain_control", &Stripable::eq_gain_controllable)
861                 .addFunction ("eq_freq_control ", &Stripable::eq_freq_controllable )
862                 .addFunction ("eq_q_control ", &Stripable::eq_q_controllable )
863                 .addFunction ("eq_shape_control ", &Stripable::eq_shape_controllable )
864                 .addFunction ("eq_enable_control ", &Stripable::eq_enable_controllable )
865                 .addFunction ("eq_hpf_control ", &Stripable::eq_hpf_controllable )
866                 .addFunction ("set_presentation_order", &Stripable::set_presentation_order)
867                 .addFunction ("presentation_info_ptr", &Stripable::presentation_info_ptr)
868
869                 .endClass ()
870
871                 .deriveWSPtrClass <Route, Stripable> ("Route")
872                 .addCast<Track> ("to_track")
873                 .addFunction ("set_name", &Route::set_name)
874                 .addFunction ("comment", &Route::comment)
875                 .addFunction ("active", &Route::active)
876                 .addFunction ("set_active", &Route::set_active)
877                 .addFunction ("nth_plugin", &Route::nth_plugin)
878                 .addFunction ("nth_processor", &Route::nth_processor)
879                 .addFunction ("nth_send", &Route::nth_send)
880                 .addFunction ("add_processor_by_index", &Route::add_processor_by_index)
881                 .addFunction ("remove_processor", &Route::remove_processor)
882                 .addFunction ("replace_processor", &Route::replace_processor)
883                 .addFunction ("n_inputs", &Route::n_inputs)
884                 .addFunction ("n_outputs", &Route::n_outputs)
885                 .addFunction ("set_comment", &Route::set_comment)
886                 .addFunction ("strict_io", &Route::strict_io)
887                 .addFunction ("set_strict_io", &Route::set_strict_io)
888                 .addFunction ("reset_plugin_insert", &Route::reset_plugin_insert)
889                 .addFunction ("customize_plugin_insert", &Route::customize_plugin_insert)
890                 .addFunction ("add_sidechain", &Route::add_sidechain)
891                 .addFunction ("remove_sidechain", &Route::remove_sidechain)
892                 .addFunction ("main_outs", &Route::main_outs)
893                 .addFunction ("muted", &Route::muted)
894                 .addFunction ("soloed", &Route::soloed)
895                 .addFunction ("amp", &Route::amp)
896                 .addFunction ("trim", &Route::trim)
897                 .addFunction ("peak_meter", (boost::shared_ptr<PeakMeter> (Route::*)())&Route::peak_meter)
898                 .addFunction ("set_meter_point", &Route::set_meter_point)
899                 .endClass ()
900
901                 .deriveWSPtrClass <Playlist, SessionObject> ("Playlist")
902                 .addCast<AudioPlaylist> ("to_audioplaylist")
903                 .addCast<MidiPlaylist> ("to_midiplaylist")
904                 .addFunction ("region_by_id", &Playlist::region_by_id)
905                 .addFunction ("data_type", &Playlist::data_type)
906                 .addFunction ("n_regions", &Playlist::n_regions)
907                 //.addFunction ("get_extent", &Playlist::get_extent) // pair<framepos_t, framepos_t>
908                 .addFunction ("region_list", &Playlist::region_list)
909                 .addFunction ("add_region", &Playlist::add_region)
910                 .addFunction ("remove_region", &Playlist::remove_region)
911                 .addFunction ("regions_at", &Playlist::regions_at)
912                 .addFunction ("top_region_at", &Playlist::top_region_at)
913                 .addFunction ("top_unmuted_region_at", &Playlist::top_unmuted_region_at)
914                 .addFunction ("find_next_region", &Playlist::find_next_region)
915                 .addFunction ("find_next_region_boundary", &Playlist::find_next_region_boundary)
916                 .addFunction ("count_regions_at", &Playlist::count_regions_at)
917                 .addFunction ("regions_touched", &Playlist::regions_touched)
918                 .addFunction ("regions_with_start_within", &Playlist::regions_with_start_within)
919                 .addFunction ("regions_with_end_within", &Playlist::regions_with_end_within)
920                 .addFunction ("raise_region", &Playlist::raise_region)
921                 .addFunction ("lower_region", &Playlist::lower_region)
922                 .addFunction ("raise_region_to_top", &Playlist::raise_region_to_top)
923                 .addFunction ("lower_region_to_bottom", &Playlist::lower_region_to_bottom)
924                 .addFunction ("duplicate", (void (Playlist::*)(boost::shared_ptr<Region>, framepos_t, framecnt_t, float))&Playlist::duplicate)
925                 .addFunction ("duplicate_until", &Playlist::duplicate_until)
926                 .addFunction ("duplicate_range", &Playlist::duplicate_range)
927                 .addFunction ("combine", &Playlist::combine)
928                 .addFunction ("uncombine", &Playlist::uncombine)
929                 .addFunction ("split_region", &Playlist::split_region)
930                 .addFunction ("split", (void (Playlist::*)(framepos_t))&Playlist::split)
931                 .addFunction ("cut", (boost::shared_ptr<Playlist> (Playlist::*)(std::list<AudioRange>&, bool))&Playlist::cut)
932 #if 0
933                 .addFunction ("copy", &Playlist::copy)
934                 .addFunction ("paste", &Playlist::paste)
935 #endif
936                 .endClass ()
937
938                 .deriveWSPtrClass <AudioPlaylist, Playlist> ("AudioPlaylist")
939                 .addFunction ("read", &AudioPlaylist::read)
940                 .endClass ()
941
942                 .deriveWSPtrClass <MidiPlaylist, Playlist> ("MidiPlaylist")
943                 .addFunction ("set_note_mode", &MidiPlaylist::set_note_mode)
944                 .endClass ()
945
946                 .deriveWSPtrClass <Track, Route> ("Track")
947                 .addCast<AudioTrack> ("to_audio_track")
948                 .addCast<MidiTrack> ("to_midi_track")
949                 .addFunction ("set_name", &Track::set_name)
950                 .addFunction ("can_record", &Track::can_record)
951                 .addFunction ("bounceable", &Track::bounceable)
952                 .addFunction ("bounce", &Track::bounce)
953                 .addFunction ("bounce_range", &Track::bounce_range)
954                 .addFunction ("playlist", &Track::playlist)
955                 .endClass ()
956
957                 .deriveWSPtrClass <AudioTrack, Track> ("AudioTrack")
958                 .endClass ()
959
960                 .deriveWSPtrClass <MidiTrack, Track> ("MidiTrack")
961                 .endClass ()
962
963                 .beginWSPtrClass <Readable> ("Readable")
964                 .addFunction ("read", &Readable::read)
965                 .addFunction ("readable_length", &Readable::readable_length)
966                 .addFunction ("n_channels", &Readable::n_channels)
967                 .endClass ()
968
969                 .deriveWSPtrClass <Region, SessionObject> ("Region")
970                 .addCast<Readable> ("to_readable")
971                 .addCast<MidiRegion> ("to_midiregion")
972                 /* properties */
973                 .addFunction ("position", &Region::position)
974                 .addFunction ("start", &Region::start)
975                 .addFunction ("length", &Region::length)
976                 .addFunction ("layer", &Region::layer)
977                 .addFunction ("data_type", &Region::data_type)
978                 .addFunction ("stretch", &Region::stretch)
979                 .addFunction ("shift", &Region::shift)
980                 .addRefFunction ("sync_offset", &Region::sync_offset)
981                 .addFunction ("sync_position", &Region::sync_position)
982                 .addFunction ("hidden", &Region::hidden)
983                 .addFunction ("muted", &Region::muted)
984                 .addFunction ("opaque", &Region::opaque)
985                 .addFunction ("locked", &Region::locked)
986                 .addFunction ("position_locked", &Region::position_locked)
987                 .addFunction ("video_locked", &Region::video_locked)
988                 .addFunction ("automatic", &Region::automatic)
989                 .addFunction ("whole_file", &Region::whole_file)
990                 .addFunction ("captured", &Region::captured)
991                 .addFunction ("can_move", &Region::can_move)
992                 .addFunction ("sync_marked", &Region::sync_marked)
993                 .addFunction ("external", &Region::external)
994                 .addFunction ("import", &Region::import)
995                 .addFunction ("covers", &Region::covers)
996                 .addFunction ("at_natural_position", &Region::at_natural_position)
997                 .addFunction ("is_compound", &Region::is_compound)
998                 /* editing operations */
999                 .addFunction ("set_length", &Region::set_length)
1000                 .addFunction ("set_start", &Region::set_start)
1001                 .addFunction ("set_position", &Region::set_position)
1002                 .addFunction ("set_initial_position", &Region::set_initial_position)
1003                 .addFunction ("nudge_position", &Region::nudge_position)
1004                 .addFunction ("move_to_natural_position", &Region::move_to_natural_position)
1005                 .addFunction ("move_start", &Region::move_start)
1006                 .addFunction ("trim_front", &Region::trim_front)
1007                 .addFunction ("trim_end", &Region::trim_end)
1008                 .addFunction ("trim_to", &Region::trim_to)
1009                 .addFunction ("cut_front", &Region::cut_front)
1010                 .addFunction ("cut_end", &Region::cut_end)
1011                 .addFunction ("raise", &Region::raise)
1012                 .addFunction ("lower", &Region::lower)
1013                 .addFunction ("raise_to_top", &Region::raise_to_top)
1014                 .addFunction ("lower_to_bottom", &Region::lower_to_bottom)
1015                 .addFunction ("set_sync_position", &Region::set_sync_position)
1016                 .addFunction ("clear_sync_position", &Region::clear_sync_position)
1017                 .addFunction ("pulse", &Region::pulse)
1018                 .addFunction ("set_hidden", &Region::set_hidden)
1019                 .addFunction ("set_muted", &Region::set_muted)
1020                 .addFunction ("set_opaque", &Region::set_opaque)
1021                 .addFunction ("set_locked", &Region::set_locked)
1022                 .addFunction ("set_video_locked", &Region::set_video_locked)
1023                 .addFunction ("set_position_locked", &Region::set_position_locked)
1024                 .endClass ()
1025
1026                 .deriveWSPtrClass <MidiRegion, Region> ("MidiRegion")
1027                 .addFunction ("do_export", &MidiRegion::do_export)
1028                 .addFunction ("midi_source", &MidiRegion::midi_source)
1029                 .addFunction ("model", (boost::shared_ptr<MidiModel> (MidiRegion::*)())&MidiRegion::midi_source)
1030                 .addFunction ("start_beats", &MidiRegion::start_beats)
1031                 .addFunction ("length_beats", &MidiRegion::length_beats)
1032                 .endClass ()
1033
1034                 .beginWSPtrClass <Source> ("Source")
1035                 .endClass ()
1036
1037                 .deriveWSPtrClass <MidiSource, Source> ("MidiSource")
1038                 .addFunction ("empty", &MidiSource::empty)
1039                 .addFunction ("length", &MidiSource::length)
1040                 .addFunction ("model", &MidiSource::model)
1041                 .endClass ()
1042
1043                 .deriveWSPtrClass <Automatable, Evoral::ControlSet> ("Automatable")
1044                 .addFunction ("automation_control", (boost::shared_ptr<AutomationControl>(Automatable::*)(const Evoral::Parameter&, bool))&Automatable::automation_control)
1045                 .endClass ()
1046
1047                 .deriveWSPtrClass <AutomatableSequence<Evoral::Beats>, Automatable> ("AutomatableSequence")
1048                 .addCast<Evoral::Sequence<Evoral::Beats> > ("to_sequence")
1049                 .endClass ()
1050
1051                 .deriveWSPtrClass <MidiModel, AutomatableSequence<Evoral::Beats> > ("MidiModel")
1052                 .addFunction ("apply_command", (void (MidiModel::*)(Session*, Command*))&MidiModel::apply_command)
1053                 .addFunction ("new_note_diff_command", &MidiModel::new_note_diff_command)
1054                 .endClass ()
1055
1056                 .beginNamespace ("MidiModel")
1057                 .deriveClass<ARDOUR::MidiModel::DiffCommand, Command> ("DiffCommand")
1058                 .endClass ()
1059
1060                 .deriveClass<ARDOUR::MidiModel::NoteDiffCommand, ARDOUR::MidiModel::DiffCommand> ("NoteDiffCommand")
1061                 .addFunction ("add", &ARDOUR::MidiModel::NoteDiffCommand::add)
1062                 .addFunction ("remove", &ARDOUR::MidiModel::NoteDiffCommand::remove)
1063                 .endClass ()
1064
1065                 .endNamespace () /* ARDOUR::MidiModel */
1066
1067                 .beginClass <Plugin::PresetRecord> ("PresetRecord")
1068                 .addVoidConstructor ()
1069                 .addData ("uri", &Plugin::PresetRecord::uri, false)
1070                 .addData ("label", &Plugin::PresetRecord::label, false)
1071                 .addData ("user", &Plugin::PresetRecord::user, false)
1072                 .addData ("valid", &Plugin::PresetRecord::valid, false)
1073                 .endClass ()
1074
1075                 .beginStdVector <Plugin::PresetRecord> ("PresetVector").endClass ()
1076
1077                 .deriveClass <ParameterDescriptor, Evoral::ParameterDescriptor> ("ParameterDescriptor")
1078                 .addVoidConstructor ()
1079                 .addData ("label", &ParameterDescriptor::label)
1080                 .addData ("logarithmic", &ParameterDescriptor::logarithmic)
1081                 .addStaticFunction ("midi_note_name", &ParameterDescriptor::midi_note_name)
1082                 .endClass ()
1083
1084                 .beginStdVector <boost::shared_ptr<ARDOUR::Processor> > ("ProcessorVector").endClass ()
1085
1086                 .deriveWSPtrClass <Processor, SessionObject> ("Processor")
1087                 .addCast<Automatable> ("to_automatable")
1088                 .addCast<PluginInsert> ("to_insert")
1089                 .addCast<SideChain> ("to_sidechain")
1090                 .addCast<IOProcessor> ("to_ioprocessor")
1091                 .addCast<UnknownProcessor> ("to_unknownprocessor")
1092                 .addCast<Amp> ("to_amp")
1093                 .addCast<PeakMeter> ("to_peakmeter")
1094                 .addCast<MonitorProcessor> ("to_monitorprocessor")
1095 #if 0 // those objects are not yet bound
1096                 .addCast<CapturingProcessor> ("to_capturingprocessor")
1097                 .addCast<DelayLine> ("to_delayline")
1098 #endif
1099                 .addCast<PeakMeter> ("to_meter")
1100                 .addFunction ("display_name", &Processor::display_name)
1101                 .addFunction ("active", &Processor::active)
1102                 .addFunction ("activate", &Processor::activate)
1103                 .addFunction ("deactivate", &Processor::deactivate)
1104                 .endClass ()
1105
1106                 .deriveWSPtrClass <IOProcessor, Processor> ("IOProcessor")
1107                 .addFunction ("natural_input_streams", &IOProcessor::natural_input_streams)
1108                 .addFunction ("natural_output_streams", &IOProcessor::natural_output_streams)
1109                 .addFunction ("input", (boost::shared_ptr<IO>(IOProcessor::*)())&IOProcessor::input)
1110                 .addFunction ("output", (boost::shared_ptr<IO>(IOProcessor::*)())&IOProcessor::output)
1111                 .endClass ()
1112
1113                 .deriveWSPtrClass <SideChain, IOProcessor> ("SideChain")
1114                 .endClass ()
1115
1116                 .deriveWSPtrClass <Delivery, IOProcessor> ("Delivery")
1117                 .endClass ()
1118
1119                 .deriveWSPtrClass <Plugin, PBD::StatefulDestructible> ("Plugin")
1120                 .addCast<LuaProc> ("to_luaproc")
1121                 .addFunction ("unique_id", &Plugin::unique_id)
1122                 .addFunction ("label", &Plugin::label)
1123                 .addFunction ("name", &Plugin::name)
1124                 .addFunction ("maker", &Plugin::maker)
1125                 .addFunction ("parameter_count", &Plugin::parameter_count)
1126                 .addRefFunction ("nth_parameter", &Plugin::nth_parameter)
1127                 .addFunction ("preset_by_label", &Plugin::preset_by_label)
1128                 .addFunction ("preset_by_uri", &Plugin::preset_by_uri)
1129                 .addFunction ("load_preset", &Plugin::load_preset)
1130                 .addFunction ("parameter_is_input", &Plugin::parameter_is_input)
1131                 .addFunction ("get_docs", &Plugin::get_docs)
1132                 .addFunction ("get_info", &Plugin::get_info)
1133                 .addFunction ("get_parameter_docs", &Plugin::get_parameter_docs)
1134                 .addRefFunction ("get_parameter_descriptor", &Plugin::get_parameter_descriptor)
1135                 .endClass ()
1136
1137                 .deriveWSPtrClass <LuaProc, Plugin> ("LuaProc")
1138                 .addFunction ("shmem", &LuaProc::instance_shm)
1139                 .addFunction ("table", &LuaProc::instance_ref)
1140                 .endClass ()
1141
1142                 .deriveWSPtrClass <PluginInsert, Processor> ("PluginInsert")
1143                 .addFunction ("plugin", &PluginInsert::plugin)
1144                 .addFunction ("activate", &PluginInsert::activate)
1145                 .addFunction ("deactivate", &PluginInsert::deactivate)
1146                 .addFunction ("strict_io_configured", &PluginInsert::strict_io_configured)
1147                 .addFunction ("input_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::input_map)
1148                 .addFunction ("output_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::output_map)
1149                 .addFunction ("set_input_map", &PluginInsert::set_input_map)
1150                 .addFunction ("set_output_map", &PluginInsert::set_output_map)
1151                 .addFunction ("sidechain_input", &PluginInsert::sidechain_input)
1152                 .endClass ()
1153
1154                 .deriveWSPtrClass <AutomationControl, PBD::Controllable> ("AutomationControl")
1155                 .addCast<Evoral::Control> ("to_ctrl")
1156                 .addFunction ("automation_state", &AutomationControl::automation_state)
1157                 .addFunction ("automation_style", &AutomationControl::automation_style)
1158                 .addFunction ("set_automation_state", &AutomationControl::set_automation_state)
1159                 .addFunction ("set_automation_style", &AutomationControl::set_automation_style)
1160                 .addFunction ("start_touch", &AutomationControl::start_touch)
1161                 .addFunction ("stop_touch", &AutomationControl::stop_touch)
1162                 .addFunction ("get_value", &AutomationControl::get_value)
1163                 .addFunction ("set_value", &AutomationControl::set_value)
1164                 .addFunction ("writable", &AutomationControl::writable)
1165                 .addFunction ("alist", &AutomationControl::alist)
1166                 .endClass ()
1167
1168                 .deriveWSPtrClass <SlavableAutomationControl, AutomationControl> ("SlavableAutomationControl,")
1169                 .addFunction ("add_master", &SlavableAutomationControl::add_master)
1170                 .addFunction ("remove_master", &SlavableAutomationControl::remove_master)
1171                 .addFunction ("clear_masters", &SlavableAutomationControl::clear_masters)
1172                 .addFunction ("slaved_to", &SlavableAutomationControl::slaved_to)
1173                 .addFunction ("slaved", &SlavableAutomationControl::slaved)
1174                 .addFunction ("get_masters_value", &SlavableAutomationControl::get_masters_value)
1175                 .addFunction ("get_boolean_masters", &SlavableAutomationControl::get_boolean_masters)
1176                 //.addFunction ("masters", &SlavableAutomationControl::masters) // not implemented
1177                 .endClass ()
1178
1179                 .deriveWSPtrClass <PhaseControl, AutomationControl> ("PhaseControl")
1180                 .addFunction ("set_phase_invert", (void(PhaseControl::*)(uint32_t, bool))&PhaseControl::set_phase_invert)
1181                 .addFunction ("inverted", &PhaseControl::inverted)
1182                 .endClass ()
1183
1184                 .deriveWSPtrClass <GainControl, SlavableAutomationControl> ("GainControl")
1185                 .endClass ()
1186
1187                 .deriveWSPtrClass <SoloControl, SlavableAutomationControl> ("SoloControl")
1188                 .addFunction ("can_solo", &SoloControl::can_solo)
1189                 .addFunction ("soloed", &SoloControl::soloed)
1190                 .addFunction ("self_soloed", &SoloControl::self_soloed)
1191                 .endClass ()
1192
1193                 .deriveWSPtrClass <MuteControl, SlavableAutomationControl> ("MuteControl")
1194                 .addFunction ("muted", &MuteControl::muted)
1195                 .addFunction ("muted_by_self", &MuteControl::muted_by_self)
1196                 .endClass ()
1197
1198                 .deriveWSPtrClass <SoloIsolateControl, SlavableAutomationControl> ("SoloIsolateControl")
1199                 .addFunction ("solo_isolated", &SoloIsolateControl::solo_isolated)
1200                 .addFunction ("self_solo_isolated", &SoloIsolateControl::self_solo_isolated)
1201                 .endClass ()
1202
1203                 .deriveWSPtrClass <SoloSafeControl, SlavableAutomationControl> ("SoloSafeControl")
1204                 .addFunction ("solo_safe", &SoloSafeControl::solo_safe)
1205                 .endClass ()
1206
1207                 .deriveWSPtrClass <Amp, Processor> ("Amp")
1208                 .addFunction ("gain_control", (boost::shared_ptr<GainControl>(Amp::*)())&Amp::gain_control)
1209                 .endClass ()
1210
1211                 .deriveWSPtrClass <PeakMeter, Processor> ("PeakMeter")
1212                 .addFunction ("meter_level", &PeakMeter::meter_level)
1213                 .addFunction ("set_type", &PeakMeter::set_type)
1214                 .addFunction ("reset_max", &PeakMeter::reset_max)
1215                 .endClass ()
1216
1217                 .deriveWSPtrClass <MonitorProcessor, Processor> ("MonitorProcessor")
1218                 .addFunction ("set_cut_all", &MonitorProcessor::set_cut_all)
1219                 .addFunction ("set_dim_all", &MonitorProcessor::set_dim_all)
1220                 .addFunction ("set_polarity", &MonitorProcessor::set_polarity)
1221                 .addFunction ("set_cut", &MonitorProcessor::set_cut)
1222                 .addFunction ("set_dim", &MonitorProcessor::set_dim)
1223                 .addFunction ("set_solo", &MonitorProcessor::set_solo)
1224                 .addFunction ("set_mono", &MonitorProcessor::set_mono)
1225                 .addFunction ("dim_level", &MonitorProcessor::dim_level)
1226                 .addFunction ("solo_boost_level", &MonitorProcessor::solo_boost_level)
1227                 .addFunction ("dimmed", &MonitorProcessor::dimmed)
1228                 .addFunction ("soloed", &MonitorProcessor::soloed)
1229                 .addFunction ("inverted", &MonitorProcessor::inverted)
1230                 .addFunction ("cut", &MonitorProcessor::cut)
1231                 .addFunction ("cut_all", &MonitorProcessor::cut_all)
1232                 .addFunction ("dim_all", &MonitorProcessor::dim_all)
1233                 .addFunction ("mono", &MonitorProcessor::mono)
1234                 .addFunction ("monitor_active", &MonitorProcessor::monitor_active)
1235                 .addFunction ("channel_cut_control", &MonitorProcessor::channel_cut_control)
1236                 .addFunction ("channel_dim_control", &MonitorProcessor::channel_dim_control)
1237                 .addFunction ("channel_polarity_control", &MonitorProcessor::channel_polarity_control)
1238                 .addFunction ("channel_solo_control", &MonitorProcessor::channel_solo_control)
1239                 .addFunction ("dim_control", &MonitorProcessor::dim_control)
1240                 .addFunction ("cut_control", &MonitorProcessor::cut_control)
1241                 .addFunction ("mono_control", &MonitorProcessor::mono_control)
1242                 .addFunction ("dim_level_control", &MonitorProcessor::dim_level_control)
1243                 .addFunction ("solo_boost_control", &MonitorProcessor::solo_boost_control)
1244                 .endClass ()
1245
1246                 .deriveWSPtrClass <UnknownProcessor, Processor> ("UnknownProcessor")
1247                 .endClass ()
1248
1249                 .deriveWSPtrClass <PluginInsert::PluginControl, AutomationControl> ("PluginControl")
1250                 .endClass ()
1251
1252                 .deriveWSPtrClass <AudioSource, Source> ("AudioSource")
1253                 .addFunction ("readable_length", &AudioSource::readable_length)
1254                 .addFunction ("n_channels", &AudioSource::n_channels)
1255                 .endClass ()
1256
1257                 // <std::list<boost::shared_ptr <AudioTrack> >
1258                 .beginStdList <boost::shared_ptr<AudioTrack> > ("AudioTrackList")
1259                 .endClass ()
1260
1261                 // std::list<boost::shared_ptr <MidiTrack> >
1262                 .beginStdList <boost::shared_ptr<MidiTrack> > ("MidiTrackList")
1263                 .endClass ()
1264
1265                 // RouteList == std::list<boost::shared_ptr<Route> >
1266                 .beginConstStdList <boost::shared_ptr<Route> > ("RouteList")
1267                 .endClass ()
1268
1269                 // boost::shared_ptr<RouteList>
1270                 .beginPtrStdList <boost::shared_ptr<Route> > ("RouteListPtr")
1271                 .endClass ()
1272
1273                 // typedef std::list<boost::weak_ptr <Route> > WeakRouteList
1274                 .beginConstStdList <boost::weak_ptr<Route> > ("WeakRouteList")
1275                 .endClass ()
1276
1277                 // std::list< boost::weak_ptr <AudioSource> >
1278                 .beginConstStdList <boost::weak_ptr<AudioSource> > ("WeakAudioSourceList")
1279                 .endClass ()
1280
1281                 // typedef std::list<boost::shared_ptr<Region> > RegionList
1282                 .beginConstStdList <boost::shared_ptr<Region> > ("RegionList")
1283                 .endClass ()
1284
1285                 // boost::shared_ptr <std::list<boost::shared_ptr<Region> > >
1286                 .beginPtrStdList <boost::shared_ptr<Region> > ("RegionListPtr")
1287                 .endClass ()
1288
1289                 //std::list<boost::shared_ptr<Port> > PortList;
1290                 .beginConstStdList <boost::shared_ptr<Port> > ("PortList")
1291                 .endClass ()
1292
1293                 // used by Playlist::cut/copy
1294                 .beginConstStdList <AudioRange> ("AudioRangeList")
1295                 .endClass ()
1296
1297                 .beginConstStdList <Location*> ("LocationList")
1298                 .endClass ()
1299
1300 #if 0  // depends on Evoal:: Note, Beats see note_fixer.h
1301         // typedef Evoral::Note<Evoral::Beats> Note;
1302         // std::set< boost::weak_ptr<Note> >
1303                 .beginStdSet <boost::weak_ptr<Note> > ("WeakNoteSet")
1304                 .endClass ()
1305 #endif
1306
1307         // std::list<boost::weak_ptr<Source> >
1308                 .beginConstStdList <boost::weak_ptr<Source> > ("WeakSourceList")
1309                 .endClass ()
1310
1311                 .beginClass <Tempo> ("Tempo")
1312                 .addConstructor <void (*) (double, double)> ()
1313                 .addFunction ("note_type", &Tempo::note_type)
1314                 .addFunction ("beats_per_minute", &Tempo::beats_per_minute)
1315                 .addFunction ("frames_per_beat", &Tempo::frames_per_beat)
1316                 .endClass ()
1317
1318                 .beginClass <Meter> ("Meter")
1319                 .addConstructor <void (*) (double, double)> ()
1320                 .addFunction ("divisions_per_bar", &Meter::divisions_per_bar)
1321                 .addFunction ("note_divisor", &Meter::note_divisor)
1322                 .addFunction ("frames_per_bar", &Meter::frames_per_bar)
1323                 .addFunction ("frames_per_grid", &Meter::frames_per_grid)
1324                 .endClass ()
1325
1326                 .beginClass <TempoMap> ("TempoMap")
1327                 .addFunction ("add_tempo", &TempoMap::add_tempo)
1328                 .addFunction ("add_meter", &TempoMap::add_meter)
1329                 .addFunction ("tempo_section_at_frame", &TempoMap::tempo_section_at_frame)
1330                 .addFunction ("meter_section_at_frame", &TempoMap::meter_section_at_frame)
1331                 .addFunction ("meter_section_at_beat", &TempoMap::meter_section_at_beat)
1332                 .addFunction ("bbt_at_frame", &TempoMap::bbt_at_frame)
1333                 .addFunction ("exact_beat_at_frame", &TempoMap::exact_beat_at_frame)
1334                 .addFunction ("exact_qn_at_frame", &TempoMap::exact_qn_at_frame)
1335                 .endClass ()
1336
1337                 .beginClass <MetricSection> ("MetricSection")
1338                 .addFunction ("pulse", &MetricSection::pulse)
1339                 .addFunction ("set_pulse", &MetricSection::set_pulse)
1340                 .endClass ()
1341
1342                 .deriveClass <TempoSection, MetricSection> ("TempoSection")
1343                 .addFunction ("c_func", (double(TempoSection::*)()const)&TempoSection::c_func)
1344                 .endClass ()
1345
1346                 .deriveClass <MeterSection, MetricSection> ("MeterSection")
1347                 .addCast<Meter> ("to_meter")
1348                 .addFunction ("set_pulse", &MeterSection::set_pulse)
1349                 .addFunction ("set_beat", (void(MeterSection::*)(double))&MeterSection::set_beat)
1350                 .endClass ()
1351
1352                 .beginClass <ChanCount> ("ChanCount")
1353                 .addConstructor <void (*) (DataType, uint32_t)> ()
1354                 .addFunction ("get", &ChanCount::get)
1355                 .addFunction ("set", &ChanCount::set)
1356                 .addFunction ("n_audio", &ChanCount::n_audio)
1357                 .addFunction ("n_midi", &ChanCount::n_midi)
1358                 .addFunction ("n_total", &ChanCount::n_total)
1359                 .addFunction ("reset", &ChanCount::reset)
1360                 .endClass()
1361
1362                 .beginClass <DataType> ("DataType")
1363                 .addConstructor <void (*) (std::string)> ()
1364                 .addStaticCFunction ("null",  &LuaAPI::datatype_ctor_null) // "nil" is a lua reseved word
1365                 .addStaticCFunction ("audio", &LuaAPI::datatype_ctor_audio)
1366                 .addStaticCFunction ("midi",  &LuaAPI::datatype_ctor_midi)
1367                 .addFunction ("to_string",  &DataType::to_string) // TODO Lua __tostring
1368                 // TODO add uint32_t cast, add operator==  !=
1369                 .endClass()
1370
1371                 /* libardour enums */
1372                 .beginNamespace ("PluginType")
1373                 .addConst ("AudioUnit", ARDOUR::PluginType(AudioUnit))
1374                 .addConst ("LADSPA", ARDOUR::PluginType(LADSPA))
1375                 .addConst ("LV2", ARDOUR::PluginType(LV2))
1376                 .addConst ("Windows_VST", ARDOUR::PluginType(Windows_VST))
1377                 .addConst ("LXVST", ARDOUR::PluginType(LXVST))
1378                 .addConst ("Lua", ARDOUR::PluginType(Lua))
1379                 .endNamespace ()
1380
1381                 .beginNamespace ("PresentationInfo")
1382                 .beginNamespace ("Flag")
1383                 .addConst ("AudioTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::AudioTrack))
1384                 .addConst ("MidiTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::MidiTrack))
1385                 .addConst ("AudioBus", ARDOUR::PresentationInfo::Flag(PresentationInfo::AudioBus))
1386                 .addConst ("MidiBus", ARDOUR::PresentationInfo::Flag(PresentationInfo::MidiBus))
1387                 .addConst ("VCA", ARDOUR::PresentationInfo::Flag(PresentationInfo::VCA))
1388                 .addConst ("MasterOut", ARDOUR::PresentationInfo::Flag(PresentationInfo::MasterOut))
1389                 .addConst ("MonitorOut", ARDOUR::PresentationInfo::Flag(PresentationInfo::MonitorOut))
1390                 .addConst ("Auditioner", ARDOUR::PresentationInfo::Flag(PresentationInfo::Auditioner))
1391                 .addConst ("Selected", ARDOUR::PresentationInfo::Flag(PresentationInfo::Selected))
1392                 .addConst ("Hidden", ARDOUR::PresentationInfo::Flag(PresentationInfo::Hidden))
1393                 .addConst ("GroupOrderSet", ARDOUR::PresentationInfo::Flag(PresentationInfo::OrderSet))
1394                 .addConst ("StatusMask", ARDOUR::PresentationInfo::Flag(PresentationInfo::StatusMask))
1395                 .endNamespace ()
1396                 .endNamespace ()
1397
1398                 .beginNamespace ("AutoStyle")
1399                 .addConst ("Absolute", ARDOUR::AutoStyle(Absolute))
1400                 .addConst ("Trim", ARDOUR::AutoStyle(Trim))
1401                 .endNamespace ()
1402
1403                 .beginNamespace ("AutoState")
1404                 .addConst ("Off", ARDOUR::AutoState(Off))
1405                 .addConst ("Write", ARDOUR::AutoState(Write))
1406                 .addConst ("Touch", ARDOUR::AutoState(Touch))
1407                 .addConst ("Play", ARDOUR::AutoState(Play))
1408                 .endNamespace ()
1409
1410                 .beginNamespace ("AutomationType")
1411                 .addConst ("GainAutomation", ARDOUR::AutomationType(GainAutomation))
1412                 .addConst ("PluginAutomation", ARDOUR::AutomationType(PluginAutomation))
1413                 .addConst ("SoloAutomation", ARDOUR::AutomationType(SoloAutomation))
1414                 .addConst ("SoloIsolateAutomation", ARDOUR::AutomationType(SoloIsolateAutomation))
1415                 .addConst ("SoloSafeAutomation", ARDOUR::AutomationType(SoloSafeAutomation))
1416                 .addConst ("MuteAutomation", ARDOUR::AutomationType(MuteAutomation))
1417                 .addConst ("RecEnableAutomation", ARDOUR::AutomationType(RecEnableAutomation))
1418                 .addConst ("RecSafeAutomation", ARDOUR::AutomationType(RecSafeAutomation))
1419                 .addConst ("TrimAutomation", ARDOUR::AutomationType(TrimAutomation))
1420                 .addConst ("PhaseAutomation", ARDOUR::AutomationType(PhaseAutomation))
1421                 .endNamespace ()
1422
1423                 .beginNamespace ("SrcQuality")
1424                 .addConst ("SrcBest", ARDOUR::SrcQuality(SrcBest))
1425                 .endNamespace ()
1426
1427                 .beginNamespace ("MeterType")
1428                 .addConst ("MeterMaxSignal", ARDOUR::MeterType(MeterMaxSignal))
1429                 .addConst ("MeterMaxPeak", ARDOUR::MeterType(MeterMaxPeak))
1430                 .addConst ("MeterPeak", ARDOUR::MeterType(MeterPeak))
1431                 .addConst ("MeterKrms", ARDOUR::MeterType(MeterKrms))
1432                 .addConst ("MeterK20", ARDOUR::MeterType(MeterK20))
1433                 .addConst ("MeterK14", ARDOUR::MeterType(MeterK14))
1434                 .addConst ("MeterIEC1DIN", ARDOUR::MeterType(MeterIEC1DIN))
1435                 .addConst ("MeterIEC1NOR", ARDOUR::MeterType(MeterIEC1NOR))
1436                 .addConst ("MeterIEC2BBC", ARDOUR::MeterType(MeterIEC2BBC))
1437                 .addConst ("MeterIEC2EBU", ARDOUR::MeterType(MeterIEC2EBU))
1438                 .addConst ("MeterVU", ARDOUR::MeterType(MeterVU))
1439                 .addConst ("MeterK12", ARDOUR::MeterType(MeterK12))
1440                 .addConst ("MeterPeak0dB", ARDOUR::MeterType(MeterPeak0dB))
1441                 .addConst ("MeterMCP", ARDOUR::MeterType(MeterMCP))
1442                 .endNamespace ()
1443
1444                 .beginNamespace ("MeterPoint")
1445                 .addConst ("MeterInput", ARDOUR::MeterPoint(MeterInput))
1446                 .addConst ("MeterPreFader", ARDOUR::MeterPoint(MeterPreFader))
1447                 .addConst ("MeterPostFader", ARDOUR::MeterPoint(MeterPostFader))
1448                 .addConst ("MeterOutput", ARDOUR::MeterPoint(MeterOutput))
1449                 .addConst ("MeterCustom", ARDOUR::MeterPoint(MeterCustom))
1450                 .endNamespace ()
1451
1452                 .beginNamespace ("NoteMode")
1453                 .addConst ("Sustained", ARDOUR::NoteMode(Sustained))
1454                 .addConst ("Percussive", ARDOUR::NoteMode(Percussive))
1455                 .endNamespace ()
1456
1457                 .beginNamespace ("PortFlags")
1458                 .addConst ("IsInput", ARDOUR::PortFlags(IsInput))
1459                 .addConst ("IsOutput", ARDOUR::PortFlags(IsOutput))
1460                 .addConst ("IsPhysical", ARDOUR::PortFlags(IsPhysical))
1461                 .addConst ("CanMonitor", ARDOUR::PortFlags(CanMonitor))
1462                 .addConst ("IsTerminal", ARDOUR::PortFlags(IsTerminal))
1463                 .endNamespace ()
1464
1465                 .beginNamespace ("PlaylistDisposition")
1466                 .addConst ("CopyPlaylist", ARDOUR::PlaylistDisposition(CopyPlaylist))
1467                 .addConst ("NewPlaylist", ARDOUR::PlaylistDisposition(NewPlaylist))
1468                 .addConst ("SharePlaylist", ARDOUR::PlaylistDisposition(SharePlaylist))
1469                 .endNamespace ()
1470
1471                 .beginNamespace ("RegionPoint")
1472                 .addConst ("Start", ARDOUR::RegionPoint(Start))
1473                 .addConst ("End", ARDOUR::RegionPoint(End))
1474                 .addConst ("SyncPoint", ARDOUR::RegionPoint(SyncPoint))
1475                 .endNamespace ()
1476
1477                 .beginNamespace ("TempoSection")
1478                 .beginNamespace ("PositionLockStyle")
1479                 .addConst ("AudioTime", ARDOUR::PositionLockStyle(AudioTime))
1480                 .addConst ("MusicTime", ARDOUR::PositionLockStyle(MusicTime))
1481                 .endNamespace ()
1482                 .endNamespace ()
1483
1484                 .beginNamespace ("TempoSection")
1485                 .beginNamespace ("Type")
1486                 .addConst ("Ramp", ARDOUR::TempoSection::Type(TempoSection::Ramp))
1487                 .addConst ("Constant", ARDOUR::TempoSection::Type(TempoSection::Constant))
1488                 .endNamespace ()
1489                 .endNamespace ()
1490
1491                 .beginNamespace ("TrackMode")
1492                 .addConst ("Normal", ARDOUR::TrackMode(Start))
1493                 .addConst ("NonLayered", ARDOUR::TrackMode(NonLayered))
1494                 .addConst ("Destructive", ARDOUR::TrackMode(Destructive))
1495                 .endNamespace ()
1496
1497                 .beginNamespace ("SampleFormat")
1498                 .addConst ("Float", ARDOUR::SampleFormat(FormatFloat))
1499                 .addConst ("Int24", ARDOUR::SampleFormat(FormatInt24))
1500                 .addConst ("Int16", ARDOUR::SampleFormat(FormatInt16))
1501                 .endNamespace ()
1502
1503                 .beginNamespace ("HeaderFormat")
1504                 .addConst ("BWF", ARDOUR::HeaderFormat(BWF))
1505                 .addConst ("WAVE", ARDOUR::HeaderFormat(WAVE))
1506                 .addConst ("WAVE64", ARDOUR::HeaderFormat(WAVE64))
1507                 .addConst ("CAF", ARDOUR::HeaderFormat(CAF))
1508                 .addConst ("AIFF", ARDOUR::HeaderFormat(AIFF))
1509                 .addConst ("iXML", ARDOUR::HeaderFormat(iXML))
1510                 .addConst ("RF64", ARDOUR::HeaderFormat(RF64))
1511                 .addConst ("RF64_WAV", ARDOUR::HeaderFormat(RF64_WAV))
1512                 .addConst ("MBWF", ARDOUR::HeaderFormat(MBWF))
1513                 .endNamespace ()
1514
1515                 .beginNamespace ("InsertMergePolicy")
1516                 .addConst ("Reject", ARDOUR::InsertMergePolicy(InsertMergeReject))
1517                 .addConst ("Relax", ARDOUR::InsertMergePolicy(InsertMergeRelax))
1518                 .addConst ("Replace", ARDOUR::InsertMergePolicy(InsertMergeReplace))
1519                 .addConst ("TruncateExisting", ARDOUR::InsertMergePolicy(InsertMergeTruncateExisting))
1520                 .addConst ("TruncateAddition", ARDOUR::InsertMergePolicy(InsertMergeTruncateAddition))
1521                 .addConst ("Extend", ARDOUR::InsertMergePolicy(InsertMergeExtend))
1522                 .endNamespace ()
1523
1524                 .endNamespace (); // end ARDOUR
1525
1526         luabridge::getGlobalNamespace (L)
1527                 .beginNamespace ("ARDOUR")
1528                 .beginClass <AudioBackendInfo> ("AudioBackendInfo")
1529                 .addData ("name", &AudioBackendInfo::name)
1530                 .endClass()
1531                 .beginStdVector <const AudioBackendInfo*> ("BackendVector").endClass ()
1532
1533                 .beginClass <AudioBackend::DeviceStatus> ("DeviceStatus")
1534                 .addData ("name", &AudioBackend::DeviceStatus::name)
1535                 .addData ("available", &AudioBackend::DeviceStatus::available)
1536                 .endClass()
1537                 .beginStdVector <AudioBackend::DeviceStatus> ("DeviceStatusVector").endClass ()
1538
1539                 .beginWSPtrClass <AudioBackend> ("AudioBackend")
1540                 .addFunction ("info", &AudioBackend::info)
1541                 .addFunction ("sample_rate", &AudioBackend::sample_rate)
1542                 .addFunction ("buffer_size", &AudioBackend::buffer_size)
1543                 .addFunction ("period_size", &AudioBackend::period_size)
1544                 .addFunction ("input_channels", &AudioBackend::input_channels)
1545                 .addFunction ("output_channels", &AudioBackend::output_channels)
1546                 .addFunction ("dsp_load", &AudioBackend::dsp_load)
1547
1548                 .addFunction ("set_sample_rate", &AudioBackend::set_sample_rate)
1549                 .addFunction ("set_buffer_size", &AudioBackend::set_buffer_size)
1550                 .addFunction ("set_peridod_size", &AudioBackend::set_peridod_size)
1551
1552                 .addFunction ("enumerate_drivers", &AudioBackend::enumerate_drivers)
1553                 .addFunction ("driver_name", &AudioBackend::driver_name)
1554                 .addFunction ("set_driver", &AudioBackend::set_driver)
1555
1556                 .addFunction ("use_separate_input_and_output_devices", &AudioBackend::use_separate_input_and_output_devices)
1557                 .addFunction ("enumerate_devices", &AudioBackend::enumerate_devices)
1558                 .addFunction ("enumerate_input_devices", &AudioBackend::enumerate_input_devices)
1559                 .addFunction ("enumerate_output_devices", &AudioBackend::enumerate_output_devices)
1560                 .addFunction ("device_name", &AudioBackend::device_name)
1561                 .addFunction ("input_device_name", &AudioBackend::input_device_name)
1562                 .addFunction ("output_device_name", &AudioBackend::output_device_name)
1563                 .addFunction ("set_device_name", &AudioBackend::set_device_name)
1564                 .addFunction ("set_input_device_name", &AudioBackend::set_input_device_name)
1565                 .addFunction ("set_output_device_name", &AudioBackend::set_output_device_name)
1566                 .endClass()
1567
1568                 .beginClass <PortEngine> ("PortEngine")
1569                 .endClass()
1570
1571                 .beginClass <PortManager> ("PortManager")
1572                 .addFunction ("port_engine", &PortManager::port_engine)
1573                 .addFunction ("connected", &PortManager::connected)
1574                 .addFunction ("connect", &PortManager::connect)
1575                 .addFunction ("physically_connected", &PortManager::physically_connected)
1576                 .addFunction ("disconnect", (int (PortManager::*)(const std::string&, const std::string&))&PortManager::disconnect)
1577                 .addFunction ("disconnect_port", (int (PortManager::*)(boost::shared_ptr<Port>))&PortManager::disconnect)
1578                 .addFunction ("get_port_by_name", &PortManager::get_port_by_name)
1579                 .addFunction ("get_pretty_name_by_name", &PortManager::get_pretty_name_by_name)
1580                 .addFunction ("port_is_physical", &PortManager::port_is_physical)
1581                 .addFunction ("get_physical_outputs", &PortManager::get_physical_outputs)
1582                 .addFunction ("get_physical_inputs", &PortManager::get_physical_inputs)
1583                 .addFunction ("n_physical_outputs", &PortManager::n_physical_outputs)
1584                 .addFunction ("n_physical_inputs", &PortManager::n_physical_inputs)
1585                 .addRefFunction ("get_connections", &PortManager::get_connections)
1586                 .addRefFunction ("get_ports", (int (PortManager::*)(DataType, PortManager::PortList&))&PortManager::get_ports)
1587                 .addRefFunction ("get_backend_ports", (int (PortManager::*)(const std::string&, DataType, PortFlags, std::vector<std::string>&))&PortManager::get_ports)
1588                 .endClass()
1589
1590                 .deriveClass <AudioEngine, PortManager> ("AudioEngine")
1591                 .addFunction ("available_backends", &AudioEngine::available_backends)
1592                 .addFunction ("current_backend_name", &AudioEngine::current_backend_name)
1593                 .addFunction ("set_backend", &AudioEngine::set_backend)
1594                 .addFunction ("setup_required", &AudioEngine::setup_required)
1595                 .addFunction ("start", &AudioEngine::start)
1596                 .addFunction ("stop", &AudioEngine::stop)
1597                 .addFunction ("get_dsp_load", &AudioEngine::get_dsp_load)
1598                 .addFunction ("set_device_name", &AudioEngine::set_device_name)
1599                 .addFunction ("set_sample_rate", &AudioEngine::set_sample_rate)
1600                 .addFunction ("set_buffer_size", &AudioEngine::set_buffer_size)
1601                 .addFunction ("get_last_backend_error", &AudioEngine::get_last_backend_error)
1602                 .endClass()
1603
1604                 .deriveClass <SessionConfiguration, PBD::Configuration> ("SessionConfiguration")
1605 #undef  CONFIG_VARIABLE
1606 #undef  CONFIG_VARIABLE_SPECIAL
1607 #define CONFIG_VARIABLE(Type,var,name,value) \
1608                 .addFunction ("get_" # var, &SessionConfiguration::get_##var) \
1609                 .addFunction ("set_" # var, &SessionConfiguration::set_##var) \
1610                 .addProperty (#var, &SessionConfiguration::get_##var, &SessionConfiguration::set_##var)
1611
1612 #define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) \
1613                 .addFunction ("get_" # var, &SessionConfiguration::get_##var) \
1614                 .addFunction ("set_" # var, &SessionConfiguration::set_##var) \
1615                 .addProperty (#var, &SessionConfiguration::get_##var, &SessionConfiguration::set_##var)
1616
1617 #include "ardour/session_configuration_vars.h"
1618
1619 #undef CONFIG_VARIABLE
1620 #undef CONFIG_VARIABLE_SPECIAL
1621                 .endClass()
1622                 .endNamespace ();
1623
1624         // basic representation of Session
1625         // functions which can be used from realtime and non-realtime contexts
1626         luabridge::getGlobalNamespace (L)
1627                 .beginNamespace ("ARDOUR")
1628                 .beginClass <Session> ("Session")
1629                 .addFunction ("scripts_changed", &Session::scripts_changed) // used internally
1630                 .addFunction ("transport_rolling", &Session::transport_rolling)
1631                 .addFunction ("request_transport_speed", &Session::request_transport_speed)
1632                 .addFunction ("transport_frame", &Session::transport_frame)
1633                 .addFunction ("transport_speed", &Session::transport_speed)
1634                 .addFunction ("frame_rate", &Session::frame_rate)
1635                 .addFunction ("nominal_frame_rate", &Session::nominal_frame_rate)
1636                 .addFunction ("frames_per_timecode_frame", &Session::frames_per_timecode_frame)
1637                 .addFunction ("timecode_frames_per_hour", &Session::timecode_frames_per_hour)
1638                 .addFunction ("timecode_frames_per_second", &Session::timecode_frames_per_second)
1639                 .addFunction ("timecode_drop_frames", &Session::timecode_drop_frames)
1640                 .addFunction ("request_locate", &Session::request_locate)
1641                 .addFunction ("request_stop", &Session::request_stop)
1642                 .addFunction ("request_play_loop", &Session::request_play_loop)
1643                 .addFunction ("get_play_loop", &Session::get_play_loop)
1644                 .addFunction ("last_transport_start", &Session::last_transport_start)
1645                 .addFunction ("goto_start", &Session::goto_start)
1646                 .addFunction ("goto_end", &Session::goto_end)
1647                 .addFunction ("current_start_frame", &Session::current_start_frame)
1648                 .addFunction ("current_end_frame", &Session::current_end_frame)
1649                 .addFunction ("actively_recording", &Session::actively_recording)
1650                 .addFunction ("new_audio_track", &Session::new_audio_track)
1651                 .addFunction ("new_audio_route", &Session::new_audio_route)
1652                 .addFunction ("new_midi_track", &Session::new_midi_track)
1653                 .addFunction ("new_midi_route", &Session::new_midi_route)
1654                 .addFunction ("get_routes", &Session::get_routes)
1655                 .addFunction ("get_tracks", &Session::get_tracks)
1656                 .addFunction ("name", &Session::name)
1657                 .addFunction ("path", &Session::path)
1658                 .addFunction ("record_status", &Session::record_status)
1659                 .addFunction ("maybe_enable_record", &Session::maybe_enable_record)
1660                 .addFunction ("disable_record", &Session::disable_record)
1661                 .addFunction ("route_by_id", &Session::route_by_id)
1662                 .addFunction ("route_by_name", &Session::route_by_name)
1663                 .addFunction ("get_remote_nth_stripable", &Session::get_remote_nth_stripable)
1664                 .addFunction ("get_remote_nth_route", &Session::get_remote_nth_route)
1665                 .addFunction ("route_by_selected_count", &Session::route_by_selected_count)
1666                 .addFunction ("track_by_diskstream_id", &Session::track_by_diskstream_id)
1667                 .addFunction ("source_by_id", &Session::source_by_id)
1668                 .addFunction ("controllable_by_id", &Session::controllable_by_id)
1669                 .addFunction ("processor_by_id", &Session::processor_by_id)
1670                 .addFunction ("snap_name", &Session::snap_name)
1671                 .addFunction ("monitor_out", &Session::monitor_out)
1672                 .addFunction ("master_out", &Session::master_out)
1673                 .addFunction ("tempo_map", (TempoMap& (Session::*)())&Session::tempo_map)
1674                 .addFunction ("locations", &Session::locations)
1675                 .addFunction ("begin_reversible_command", (void (Session::*)(const std::string&))&Session::begin_reversible_command)
1676                 .addFunction ("commit_reversible_command", &Session::commit_reversible_command)
1677                 .addFunction ("abort_reversible_command", &Session::abort_reversible_command)
1678                 .addFunction ("add_command", &Session::add_command)
1679                 .addFunction ("add_stateful_diff_command", &Session::add_stateful_diff_command)
1680                 .addFunction ("engine", (AudioEngine& (Session::*)())&Session::engine)
1681                 .addFunction ("get_block_size", &Session::get_block_size)
1682                 .addFunction ("worst_output_latency", &Session::worst_output_latency)
1683                 .addFunction ("worst_input_latency", &Session::worst_input_latency)
1684                 .addFunction ("worst_track_latency", &Session::worst_track_latency)
1685                 .addFunction ("worst_playback_latency", &Session::worst_playback_latency)
1686                 .addFunction ("cfg", &Session::cfg)
1687                 .endClass ()
1688
1689                 .beginClass <RegionFactory> ("RegionFactory")
1690                 .addStaticFunction ("region_by_id", &RegionFactory::region_by_id)
1691                 .endClass ()
1692
1693                 /* session enums (rt-safe, common) */
1694                 .beginNamespace ("Session")
1695
1696                 .beginNamespace ("RecordState")
1697                 .addConst ("Disabled", ARDOUR::Session::RecordState(Session::Disabled))
1698                 .addConst ("Enabled", ARDOUR::Session::RecordState(Session::Enabled))
1699                 .addConst ("Recording", ARDOUR::Session::RecordState(Session::Recording))
1700                 .endNamespace ()
1701
1702                 .endNamespace () // end Session enums
1703
1704                 /* ardour enums (rt-safe, common) */
1705                 .beginNamespace ("LocationFlags")
1706                 .addConst ("IsMark", ARDOUR::Location::Flags(Location::IsMark))
1707                 .addConst ("IsAutoPunch", ARDOUR::Location::Flags(Location::IsAutoPunch))
1708                 .addConst ("IsAutoLoop", ARDOUR::Location::Flags(Location::IsAutoLoop))
1709                 .addConst ("IsHidden", ARDOUR::Location::Flags(Location::IsHidden))
1710                 .addConst ("IsCDMarker", ARDOUR::Location::Flags(Location::IsCDMarker))
1711                 .addConst ("IsRangeMarker", ARDOUR::Location::Flags(Location::IsRangeMarker))
1712                 .addConst ("IsSessionRange", ARDOUR::Location::Flags(Location::IsSessionRange))
1713                 .addConst ("IsSkip", ARDOUR::Location::Flags(Location::IsSkip))
1714                 .addConst ("IsSkipping", ARDOUR::Location::Flags(Location::IsSkipping))
1715                 .endNamespace ()
1716
1717                 .beginNamespace ("LuaAPI")
1718                 .addFunction ("nil_proc", ARDOUR::LuaAPI::nil_processor)
1719                 .addFunction ("new_luaproc", ARDOUR::LuaAPI::new_luaproc)
1720                 .addFunction ("new_plugin_info", ARDOUR::LuaAPI::new_plugin_info)
1721                 .addFunction ("new_plugin", ARDOUR::LuaAPI::new_plugin)
1722                 .addFunction ("set_processor_param", ARDOUR::LuaAPI::set_processor_param)
1723                 .addFunction ("set_plugin_insert_param", ARDOUR::LuaAPI::set_plugin_insert_param)
1724                 .addRefFunction ("get_processor_param", ARDOUR::LuaAPI::get_processor_param)
1725                 .addRefFunction ("get_plugin_insert_param", ARDOUR::LuaAPI::get_plugin_insert_param)
1726                 .addCFunction ("plugin_automation", ARDOUR::LuaAPI::plugin_automation)
1727                 .addCFunction ("hsla_to_rgba", ARDOUR::LuaAPI::hsla_to_rgba)
1728                 .addFunction ("usleep", Glib::usleep)
1729                 .addCFunction ("build_filename", ARDOUR::LuaAPI::build_filename)
1730                 .addFunction ("new_noteptr", ARDOUR::LuaAPI::new_noteptr)
1731
1732                 .beginClass <ARDOUR::LuaAPI::Vamp> ("Vamp")
1733                 .addConstructor <void (*) (const std::string&, float)> ()
1734                 .addStaticFunction ("list_plugins", &ARDOUR::LuaAPI::Vamp::list_plugins)
1735                 .addFunction ("plugin", &ARDOUR::LuaAPI::Vamp::plugin)
1736                 .addFunction ("analyze", &ARDOUR::LuaAPI::Vamp::analyze)
1737                 .addFunction ("reset", &ARDOUR::LuaAPI::Vamp::reset)
1738                 .addFunction ("initialize", &ARDOUR::LuaAPI::Vamp::initialize)
1739                 .addFunction ("process", &ARDOUR::LuaAPI::Vamp::process)
1740                 .endClass ()
1741
1742                 .endNamespace () // end LuaAPI
1743                 .endNamespace ();// end ARDOUR
1744 }
1745
1746 void
1747 LuaBindings::dsp (lua_State* L)
1748 {
1749         luabridge::getGlobalNamespace (L)
1750                 .beginNamespace ("ARDOUR")
1751
1752                 .beginClass <AudioBuffer> ("AudioBuffer")
1753                 .addEqualCheck ()
1754                 .addFunction ("data", (Sample*(AudioBuffer::*)(framecnt_t))&AudioBuffer::data)
1755                 .addFunction ("silence", &AudioBuffer::silence)
1756                 .addFunction ("apply_gain", &AudioBuffer::apply_gain)
1757                 .addFunction ("check_silence", &AudioBuffer::check_silence)
1758                 .addFunction ("read_from", (void (AudioBuffer::*)(const Sample*, framecnt_t, framecnt_t, framecnt_t))&AudioBuffer::check_silence)
1759                 .endClass()
1760
1761                 .beginClass <MidiBuffer> ("MidiBuffer")
1762                 .addEqualCheck ()
1763                 .addFunction ("silence", &MidiBuffer::silence)
1764                 .addFunction ("size", &MidiBuffer::size)
1765                 .addFunction ("empty", &MidiBuffer::empty)
1766                 .addFunction ("resize", &MidiBuffer::resize)
1767                 .addFunction ("copy", (void (MidiBuffer::*)(MidiBuffer const * const))&MidiBuffer::copy)
1768                 .addFunction ("push_event", (bool (MidiBuffer::*)(const Evoral::MIDIEvent<framepos_t>&))&MidiBuffer::push_back)
1769                 .addFunction ("push_back", (bool (MidiBuffer::*)(framepos_t, size_t, const uint8_t*))&MidiBuffer::push_back)
1770                 // TODO iterators..
1771                 .addExtCFunction ("table", &luabridge::CFunc::listToTable<const Evoral::MIDIEvent<framepos_t>, MidiBuffer>)
1772                 .endClass()
1773
1774                 .beginClass <BufferSet> ("BufferSet")
1775                 .addEqualCheck ()
1776                 .addFunction ("get_audio", static_cast<AudioBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_audio))
1777                 .addFunction ("get_midi", static_cast<MidiBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_midi))
1778                 .addFunction ("count", static_cast<const ChanCount&(BufferSet::*)()const>(&BufferSet::count))
1779                 .endClass()
1780                 .endNamespace ();
1781
1782         luabridge::getGlobalNamespace (L)
1783                 .beginNamespace ("Evoral")
1784                 .deriveClass <Evoral::MIDIEvent<framepos_t>, Evoral::Event<framepos_t> > ("MidiEvent")
1785                 // add Ctor?
1786                 .addFunction ("type", &Evoral::MIDIEvent<framepos_t>::type)
1787                 .addFunction ("channel", &Evoral::MIDIEvent<framepos_t>::channel)
1788                 .addFunction ("set_type", &Evoral::MIDIEvent<framepos_t>::set_type)
1789                 .addFunction ("set_channel", &Evoral::MIDIEvent<framepos_t>::set_channel)
1790                 .endClass ()
1791                 .endNamespace ();
1792
1793         // dsp releated session functions
1794         luabridge::getGlobalNamespace (L)
1795                 .beginNamespace ("ARDOUR")
1796                 .beginClass <Session> ("Session")
1797                 .addFunction ("get_scratch_buffers", &Session::get_scratch_buffers)
1798                 .addFunction ("get_silent_buffers", &Session::get_silent_buffers)
1799                 .endClass ()
1800                 .endNamespace ();
1801
1802         luabridge::getGlobalNamespace (L)
1803                 .beginNamespace ("ARDOUR")
1804                 .beginClass <FluidSynth> ("FluidSynth")
1805                 .addConstructor <void (*) (float, int)> ()
1806                 .addFunction ("load_sf2", &FluidSynth::load_sf2)
1807                 .addFunction ("synth", &FluidSynth::synth)
1808                 .addFunction ("midi_event", &FluidSynth::midi_event)
1809                 .addFunction ("panic", &FluidSynth::panic)
1810                 .addFunction ("select_program", &FluidSynth::select_program)
1811                 .addFunction ("program_count", &FluidSynth::program_count)
1812                 .addFunction ("program_name", &FluidSynth::program_name)
1813                 .endClass ()
1814                 .endNamespace ();
1815
1816         luabridge::getGlobalNamespace (L)
1817                 .beginNamespace ("ARDOUR")
1818                 .beginNamespace ("DSP")
1819                 .addFunction ("compute_peak", ARDOUR::compute_peak)
1820                 .addFunction ("find_peaks", ARDOUR::find_peaks)
1821                 .addFunction ("apply_gain_to_buffer", ARDOUR::apply_gain_to_buffer)
1822                 .addFunction ("mix_buffers_no_gain", ARDOUR::mix_buffers_no_gain)
1823                 .addFunction ("mix_buffers_with_gain", ARDOUR::mix_buffers_with_gain)
1824                 .addFunction ("copy_vector", ARDOUR::copy_vector)
1825                 .addFunction ("dB_to_coefficient", &dB_to_coefficient)
1826                 .addFunction ("fast_coefficient_to_dB", &fast_coefficient_to_dB)
1827                 .addFunction ("accurate_coefficient_to_dB", &accurate_coefficient_to_dB)
1828                 .addFunction ("memset", &DSP::memset)
1829                 .addFunction ("mmult", &DSP::mmult)
1830                 .addFunction ("log_meter", &DSP::log_meter)
1831                 .addFunction ("log_meter_coeff", &DSP::log_meter_coeff)
1832                 .addFunction ("process_map", &DSP::process_map)
1833                 .addRefFunction ("peaks", &DSP::peaks)
1834
1835                 .beginClass <DSP::LowPass> ("LowPass")
1836                 .addConstructor <void (*) (double, float)> ()
1837                 .addFunction ("proc", &DSP::LowPass::proc)
1838                 .addFunction ("ctrl", &DSP::LowPass::ctrl)
1839                 .addFunction ("set_cutoff", &DSP::LowPass::set_cutoff)
1840                 .addFunction ("reset", &DSP::LowPass::reset)
1841                 .endClass ()
1842                 .beginClass <DSP::Biquad> ("Biquad")
1843                 .addConstructor <void (*) (double)> ()
1844                 .addFunction ("run", &DSP::Biquad::run)
1845                 .addFunction ("compute", &DSP::Biquad::compute)
1846                 .addFunction ("configure", &DSP::Biquad::configure)
1847                 .addFunction ("reset", &DSP::Biquad::reset)
1848                 .addFunction ("dB_at_freq", &DSP::Biquad::dB_at_freq)
1849                 .endClass ()
1850                 .beginClass <DSP::FFTSpectrum> ("FFTSpectrum")
1851                 .addConstructor <void (*) (uint32_t, double)> ()
1852                 .addFunction ("set_data_hann", &DSP::FFTSpectrum::set_data_hann)
1853                 .addFunction ("execute", &DSP::FFTSpectrum::execute)
1854                 .addFunction ("power_at_bin", &DSP::FFTSpectrum::power_at_bin)
1855                 .addFunction ("freq_at_bin", &DSP::FFTSpectrum::freq_at_bin)
1856                 .endClass ()
1857
1858                 /* DSP enums */
1859                 .beginNamespace ("BiquadType")
1860                 .addConst ("LowPass", ARDOUR::DSP::Biquad::LowPass)
1861                 .addConst ("HighPass", ARDOUR::DSP::Biquad::HighPass)
1862                 .addConst ("BandPassSkirt", ARDOUR::DSP::Biquad::BandPassSkirt)
1863                 .addConst ("BandPass0dB", ARDOUR::DSP::Biquad::BandPass0dB)
1864                 .addConst ("Notch", ARDOUR::DSP::Biquad::Notch)
1865                 .addConst ("AllPass", ARDOUR::DSP::Biquad::AllPass)
1866                 .addConst ("Peaking", ARDOUR::DSP::Biquad::Peaking)
1867                 .addConst ("LowShelf", ARDOUR::DSP::Biquad::LowShelf)
1868                 .addConst ("HighShelf", ARDOUR::DSP::Biquad::HighShelf)
1869                 .endNamespace ()
1870
1871                 .beginClass <DSP::DspShm> ("DspShm")
1872                 .addConstructor<void (*) (size_t)> ()
1873                 .addFunction ("allocate", &DSP::DspShm::allocate)
1874                 .addFunction ("clear", &DSP::DspShm::clear)
1875                 .addFunction ("to_float", &DSP::DspShm::to_float)
1876                 .addFunction ("to_int", &DSP::DspShm::to_int)
1877                 .addFunction ("atomic_set_int", &DSP::DspShm::atomic_set_int)
1878                 .addFunction ("atomic_get_int", &DSP::DspShm::atomic_get_int)
1879                 .endClass ()
1880
1881                 .endNamespace () // DSP
1882
1883                 .beginClass <LuaTableRef> ("LuaTableRef")
1884                 .addCFunction ("get", &LuaTableRef::get)
1885                 .addCFunction ("set", &LuaTableRef::set)
1886                 .endClass ()
1887
1888                 .endNamespace (); // ARDOUR
1889 }
1890
1891 void
1892 LuaBindings::session (lua_State* L)
1893 {
1894         // non-realtime session functions
1895         luabridge::getGlobalNamespace (L)
1896                 .beginNamespace ("ARDOUR")
1897                 .beginClass <Session> ("Session")
1898                 .addFunction ("save_state", &Session::save_state)
1899                 .addFunction ("set_dirty", &Session::set_dirty)
1900                 .addFunction ("unknown_processors", &Session::unknown_processors)
1901
1902                 .addFunction<RouteList (Session::*)(uint32_t, PresentationInfo::order_t, const std::string&, const std::string&, PlaylistDisposition)> ("new_route_from_template", &Session::new_route_from_template)
1903                 // TODO  session_add_audio_track  session_add_midi_track  session_add_mixed_track
1904                 //.addFunction ("new_midi_track", &Session::new_midi_track)
1905                 .endClass ()
1906
1907                 .endNamespace (); // ARDOUR
1908 }
1909
1910 void
1911 LuaBindings::osc (lua_State* L)
1912 {
1913         luabridge::getGlobalNamespace (L)
1914                 .beginNamespace ("ARDOUR")
1915                 .beginNamespace ("LuaOSC")
1916                 .beginClass<LuaOSC::Address> ("Address")
1917                 .addConstructor<void (*) (std::string)> ()
1918                 .addCFunction ("send", &LuaOSC::Address::send)
1919                 .endClass ()
1920                 .endNamespace ()
1921                 .endNamespace ();
1922 }
1923
1924 void
1925 LuaBindings::set_session (lua_State* L, Session *s)
1926 {
1927         /* LuaBridge uses unique keys to identify classes/c-types.
1928          *
1929          * Those keys are "generated" by using the memory-address of a static
1930          * variable, templated for every Class.
1931          * (see libs/lua/LuaBridge/detail/ClassInfo.h)
1932          *
1933          * When linking the final executable there must be exactly one static
1934          * function (static variable) for every templated class.
1935          * This works fine on OSX and Linux...
1936          *
1937          * Windows (mingw and MSVC) however expand the template differently for libardour
1938          * AND gtk2_ardour. We end up with two identical static functions
1939          * at different addresses!!
1940          *
1941          * The Solution: have gtk2_ardour never include LuaBridge headers directly
1942          * and always go via libardour function calls for classes that are registered
1943          * in libardour. (calling lua itself is fine,  calling c-functions in the GUI
1944          * which expand the template is not)
1945          *
1946          * (the actual cause: even static symbols in a .dll have no fixed address
1947          * and are mapped when loading the dll. static functions in .exe do have a fixed
1948          * address)
1949          *
1950          * libardour:
1951          *  0000000000000000 I __imp__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1952          *  0000000000000000 I __nm__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1953          *  0000000000000000 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
1954          *
1955          * ardour.exe
1956          *  000000000104f560 d .data$_ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1957          *  000000000104f560 D _ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1958          *  0000000000e9baf0 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
1959          *
1960          *
1961          */
1962         luabridge::push <Session *> (L, s);
1963         lua_setglobal (L, "Session");
1964
1965         if (s) {
1966                 // call lua function.
1967                 luabridge::LuaRef cb_ses = luabridge::getGlobal (L, "new_session");
1968                 if (cb_ses.type() == LUA_TFUNCTION) { cb_ses(s->name()); } // TODO args
1969         }
1970 }