aa4e1543dbb40e2b56ee5b38c8707b66a5ae9ebb
[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_track.h"
47 #include "ardour/midi_port.h"
48 #include "ardour/phase_control.h"
49 #include "ardour/playlist.h"
50 #include "ardour/plugin.h"
51 #include "ardour/plugin_insert.h"
52 #include "ardour/port_manager.h"
53 #include "ardour/runtime_functions.h"
54 #include "ardour/region.h"
55 #include "ardour/region_factory.h"
56 #include "ardour/route_group.h"
57 #include "ardour/session.h"
58 #include "ardour/session_object.h"
59 #include "ardour/sidechain.h"
60 #include "ardour/solo_isolate_control.h"
61 #include "ardour/solo_safe_control.h"
62 #include "ardour/stripable.h"
63 #include "ardour/track.h"
64 #include "ardour/tempo.h"
65
66 #include "LuaBridge/LuaBridge.h"
67
68 #ifdef PLATFORM_WINDOWS
69 /* luabridge uses addresses of static functions/variables to identify classes.
70  *
71  * Static symbols on windows (even identical symbols) are not
72  * mapped to the same address when mixing .dll + .exe.
73  * So we need a single point to define those static functions.
74  * (normally they're header-only in libs/lua/LuaBridge/detail/ClassInfo.h)
75  *
76  * Really!! A static function with a static variable in a library header
77  * should never ever be replicated, even if it is a template.
78  * But then again this is windows... what else can go wrong.
79  */
80
81 template <class T>
82 void const*
83 luabridge::ClassInfo<T>::getStaticKey ()
84 {
85         static char value;
86         return &value;
87 }
88
89 template <class T>
90 void const*
91 luabridge::ClassInfo<T>::getClassKey ()
92 {
93         static char value;
94         return &value;
95 }
96
97 template <class T>
98 void const*
99 luabridge::ClassInfo<T>::getConstKey ()
100 {
101         static char value;
102         return &value;
103 }
104
105 void*
106 luabridge::getIdentityKey ()
107 {
108   static char value;
109   return &value;
110 }
111
112 /* ...and this is the ugly part of it.
113  *
114  * We need to foward declare classes from gtk2_ardour
115  * end explicily list classes which are used by gtk2_ardour's bindings.
116  *
117  * This is needed because some of the GUI classes use objects from libardour
118  * as function parameters and the .exe would re-create symbols for libardour
119  * objects.
120  *
121  * Classes which don't use libardour symbols could be moved to
122  * gtk2_ardour/luainstance.cc, but keeping this here reduces code
123  * duplication and does not give the compiler a chance to even think
124  * about replicating the symbols.
125  */
126
127 #define CLASSKEYS(CLS) \
128         template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
129         template void const* luabridge::ClassInfo< CLS >::getClassKey();  \
130         template void const* luabridge::ClassInfo< CLS >::getConstKey();
131
132 #define CLASSINFO(CLS) \
133         class CLS; \
134         template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
135         template void const* luabridge::ClassInfo< CLS >::getClassKey();  \
136         template void const* luabridge::ClassInfo< CLS >::getConstKey();
137
138 CLASSINFO(MarkerSelection);
139 CLASSINFO(TrackSelection);
140 CLASSINFO(TrackViewList);
141 CLASSINFO(TimeSelection);
142 CLASSINFO(RegionSelection);
143 CLASSINFO(PublicEditor);
144 CLASSINFO(Selection);
145 CLASSINFO(ArdourMarker);
146
147 namespace LuaCairo {
148         class ImageSurface;
149         class PangoLayout;
150 }
151 CLASSKEYS(LuaCairo::ImageSurface);
152 CLASSKEYS(LuaCairo::PangoLayout);
153
154 namespace Cairo {
155         class Context;
156 }
157 CLASSKEYS(Cairo::Context);
158 CLASSKEYS(std::vector<double>);
159 CLASSKEYS(std::list<ArdourMarker*>);
160 CLASSKEYS(std::bitset<47ul>); // LuaSignal::LAST_SIGNAL
161 CLASSKEYS(ArdourMarker*);
162 CLASSKEYS(ARDOUR::RouteGroup);
163 CLASSKEYS(ARDOUR::LuaProc);
164 CLASSKEYS(ARDOUR::DataType);
165 CLASSKEYS(ARDOUR::ChanCount);
166 CLASSKEYS(boost::shared_ptr<ARDOUR::Processor>);
167 CLASSKEYS(ARDOUR::ParameterDescriptor);
168 CLASSKEYS(boost::shared_ptr<ARDOUR::AutomationList>);
169 CLASSKEYS(boost::shared_ptr<Evoral::ControlList>);
170 CLASSKEYS(ARDOUR::LuaOSC::Address);
171 CLASSKEYS(ARDOUR::Session);
172 CLASSKEYS(ARDOUR::PeakMeter);
173 CLASSKEYS(ARDOUR::BufferSet);
174 CLASSKEYS(ARDOUR::ChanMapping);
175 CLASSKEYS(ARDOUR::FluidSynth);
176 CLASSKEYS(ARDOUR::DSP::DspShm);
177 CLASSKEYS(ARDOUR::LuaTableRef);
178 CLASSKEYS(PBD::Configuration);
179 CLASSKEYS(ARDOUR::PresentationInfo);
180 CLASSKEYS(ARDOUR::SessionConfiguration);
181 CLASSKEYS(PBD::ID);
182 CLASSKEYS(ARDOUR::Location);
183 CLASSKEYS(ARDOUR::PluginInfo);
184 CLASSKEYS(ARDOUR::MonitorProcessor);
185 CLASSKEYS(ARDOUR::Plugin::PresetRecord);
186 CLASSKEYS(std::vector<ARDOUR::Plugin::PresetRecord>);
187 CLASSKEYS(PBD::PropertyChange);
188 CLASSKEYS(std::vector<std::string>);
189 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Route> >);
190 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Port> >);
191 CLASSKEYS(std::vector<boost::shared_ptr<ARDOUR::Processor> >);
192 CLASSKEYS(boost::shared_ptr<ARDOUR::PluginInfo>);
193 CLASSKEYS(boost::shared_ptr<ARDOUR::Region>);
194 CLASSKEYS(boost::weak_ptr<ARDOUR::Route>);
195 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Region> >);
196 CLASSKEYS(std::list<ARDOUR::AudioRange>);
197 CLASSKEYS(Evoral::Beats);
198 CLASSKEYS(ARDOUR::PortEngine);
199 CLASSKEYS(ARDOUR::PortManager);
200 CLASSKEYS(ARDOUR::AudioEngine);
201
202 CLASSKEYS(ARDOUR::LuaAPI::Vamp);
203 CLASSKEYS(Vamp::RealTime);
204 CLASSKEYS(Vamp::PluginBase);
205 CLASSKEYS(Vamp::PluginBase::ParameterDescriptor);
206 CLASSKEYS(Vamp::Plugin);
207 CLASSKEYS(Vamp::Plugin::OutputDescriptor);
208 CLASSKEYS(Vamp::Plugin::Feature);
209 CLASSKEYS(Vamp::Plugin::OutputList);
210 CLASSKEYS(Vamp::Plugin::FeatureList);
211 CLASSKEYS(Vamp::Plugin::FeatureSet);
212
213 CLASSKEYS(void);
214 CLASSKEYS(float);
215 CLASSKEYS(unsigned char);
216
217 #endif // end windows special case
218
219 /* Some notes on Lua bindings for libardour and friends
220  *
221  * - Prefer factory methods over Contructors whenever possible.
222  *   Don't expose the constructor method unless required.
223  *
224  *   e.g. Don't allow the script to construct a "Track" Object directly
225  *   but do allow to create a "BBT_TIME" object.
226  *
227  * - Do not dereference Shared or Weak Pointers. Pass the pointer to Lua.
228  * - Define Objects as boost:shared_ptr Object whenever possible.
229  *
230  *   Storing a boost::shared_ptr in a Lua-variable keeps the reference
231  *   until that variable is set to 'nil'.
232  *   (if the script were to keep a direct pointer to the object instance, the
233  *   behaviour is undefined if the actual object goes away)
234  *
235  *   Methods of the actual class are indirectly exposed,
236  *   boost::*_ptr get() and ::lock() is implicit when the class is exported
237  *   as LuaBridge's "WSPtrClass".
238  */
239
240 using namespace ARDOUR;
241
242 void
243 LuaBindings::stddef (lua_State* L)
244 {
245         // std::list<std::string>
246         luabridge::getGlobalNamespace (L)
247                 .beginNamespace ("C")
248                 .beginStdList <std::string> ("StringList")
249                 .endClass ()
250
251         // std::vector<std::string>
252                 .beginStdVector <std::string> ("StringVector")
253                 .endClass ()
254
255         // std::vector<float>
256                 .beginStdVector <float> ("FloatVector")
257                 .endClass ()
258
259         // register float array (uint8_t*)
260                 .registerArray <uint8_t> ("ByteArray")
261
262         // register float array (float*)
263                 .registerArray <float> ("FloatArray")
264
265         // register float array (int32_t*)
266                 .registerArray <int32_t> ("IntArray")
267
268         // TODO std::set
269                 .endNamespace ();
270 }
271
272 void
273 LuaBindings::common (lua_State* L)
274 {
275         luabridge::getGlobalNamespace (L)
276                 .beginNamespace ("PBD")
277
278                 .addFunction ("open_uri", (bool (*) (const std::string&))&PBD::open_uri)
279                 .addFunction ("open_uri", &PBD::open_folder)
280
281                 .beginClass <PBD::ID> ("ID")
282                 .addConstructor <void (*) (std::string)> ()
283                 .addFunction ("to_s", &PBD::ID::to_s) // TODO special case LUA __tostring ?
284                 .endClass ()
285
286                 .beginStdVector <PBD::ID> ("IdVector").endClass ()
287
288                 .beginClass <XMLNode> ("XMLNode")
289                 .addFunction ("name", &XMLNode::name)
290                 .endClass ()
291
292                 .beginClass <PBD::Stateful> ("Stateful")
293                 .addFunction ("id", &PBD::Stateful::id)
294                 .addFunction ("properties", &PBD::Stateful::properties)
295                 .addFunction ("clear_changes", &PBD::Stateful::clear_changes)
296                 .endClass ()
297
298                 .beginWSPtrClass <PBD::Stateful> ("StatefulPtr")
299                 .addFunction ("id", &PBD::Stateful::id)
300                 .addFunction ("properties", &PBD::Stateful::properties)
301                 .addFunction ("clear_changes", &PBD::Stateful::clear_changes)
302                 .endClass ()
303
304                 .deriveClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructible")
305                 .endClass ()
306
307                 .deriveClass <PBD::Configuration, PBD::Stateful> ("Configuration")
308                 .endClass()
309
310                 .deriveWSPtrClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructiblePtr")
311                 .endClass ()
312
313                 .deriveClass <Command, PBD::StatefulDestructible> ("Command")
314                 .addFunction ("set_name", &Command::set_name)
315                 .addFunction ("name", &Command::name)
316                 .endClass ()
317
318                 /* UndoTransaction::add_command() subscribes to DropReferences()
319                  * and deletes the object.
320                  *
321                  * This object cannot be constructed by lua because lua would manage lifetime
322                  * and delete the object leading to a double free.
323                  *
324                  * use Session::add_stateful_diff_command()
325                  * and Session::abort_reversible_command()
326                  */
327                 .deriveClass <PBD::StatefulDiffCommand, Command> ("StatefulDiffCommand")
328                 .addFunction ("undo", &PBD::StatefulDiffCommand::undo)
329                 .addFunction ("empty", &PBD::StatefulDiffCommand::empty)
330                 .endClass ()
331
332                 .deriveWSPtrClass <PBD::Controllable, PBD::StatefulDestructible> ("Controllable")
333                 .addFunction ("name", &PBD::Controllable::name)
334                 .addFunction ("get_value", &PBD::Controllable::get_value)
335                 .endClass ()
336
337                 .beginClass <PBD::RingBufferNPT <uint8_t> > ("RingBuffer8")
338                 .addConstructor <void (*) (size_t)> ()
339                 .addFunction ("reset", &PBD::RingBufferNPT<uint8_t>::reset)
340                 .addFunction ("read", &PBD::RingBufferNPT<uint8_t>::read)
341                 .addFunction ("write", &PBD::RingBufferNPT<uint8_t>::write)
342                 .addFunction ("write_one", &PBD::RingBufferNPT<uint8_t>::write_one)
343                 .addFunction ("write_space", &PBD::RingBufferNPT<uint8_t>::write_space)
344                 .addFunction ("read_space", &PBD::RingBufferNPT<uint8_t>::read_space)
345                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<uint8_t>::increment_read_ptr)
346                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<uint8_t>::increment_write_ptr)
347                 .endClass ()
348
349                 .beginClass <PBD::RingBufferNPT <float> > ("RingBufferF")
350                 .addConstructor <void (*) (size_t)> ()
351                 .addFunction ("reset", &PBD::RingBufferNPT<float>::reset)
352                 .addFunction ("read", &PBD::RingBufferNPT<float>::read)
353                 .addFunction ("write", &PBD::RingBufferNPT<float>::write)
354                 .addFunction ("write_one", &PBD::RingBufferNPT<float>::write_one)
355                 .addFunction ("write_space", &PBD::RingBufferNPT<float>::write_space)
356                 .addFunction ("read_space", &PBD::RingBufferNPT<float>::read_space)
357                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<float>::increment_read_ptr)
358                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<float>::increment_write_ptr)
359                 .endClass ()
360
361                 .beginClass <PBD::RingBufferNPT <int> > ("RingBufferI")
362                 .addConstructor <void (*) (size_t)> ()
363                 .addFunction ("reset", &PBD::RingBufferNPT<int>::reset)
364                 .addFunction ("read", &PBD::RingBufferNPT<int>::read)
365                 .addFunction ("write", &PBD::RingBufferNPT<int>::write)
366                 .addFunction ("write_one", &PBD::RingBufferNPT<int>::write_one)
367                 .addFunction ("write_space", &PBD::RingBufferNPT<int>::write_space)
368                 .addFunction ("read_space", &PBD::RingBufferNPT<int>::read_space)
369                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<int>::increment_read_ptr)
370                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<int>::increment_write_ptr)
371                 .endClass ()
372
373                 /* PBD enums */
374                 .beginNamespace ("GroupControlDisposition")
375                 .addConst ("InverseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::InverseGroup))
376                 .addConst ("NoGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::NoGroup))
377                 .addConst ("UseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::UseGroup))
378                 .endNamespace ()
379
380                 .endNamespace (); // PBD
381
382         luabridge::getGlobalNamespace (L)
383                 .beginNamespace ("Timecode")
384                 .beginClass <Timecode::BBT_Time> ("BBT_TIME")
385                 .addConstructor <void (*) (uint32_t, uint32_t, uint32_t)> ()
386                 .endClass ()
387
388                 /* libtimecode enums */
389                 .beginNamespace ("TimecodeFormat")
390                 .addConst ("TC23976", Timecode::TimecodeFormat(Timecode::timecode_23976))
391                 .addConst ("TC24", Timecode::TimecodeFormat(Timecode::timecode_24))
392                 .addConst ("TC24976", Timecode::TimecodeFormat(Timecode::timecode_24976))
393                 .addConst ("TC25", Timecode::TimecodeFormat(Timecode::timecode_25))
394                 .addConst ("TC2997", Timecode::TimecodeFormat(Timecode::timecode_2997))
395                 .addConst ("TC2997DF", Timecode::TimecodeFormat(Timecode::timecode_2997drop))
396                 .addConst ("TC2997000", Timecode::TimecodeFormat(Timecode::timecode_2997000))
397                 .addConst ("TC2997000DF", Timecode::TimecodeFormat(Timecode::timecode_2997000drop))
398                 .addConst ("TC30", Timecode::TimecodeFormat(Timecode::timecode_30))
399                 .addConst ("TC5994", Timecode::TimecodeFormat(Timecode::timecode_5994))
400                 .addConst ("TC60", Timecode::TimecodeFormat(Timecode::timecode_60))
401                 .endNamespace ()
402                 .endNamespace ();
403
404         luabridge::getGlobalNamespace (L)
405
406                 .beginNamespace ("Evoral")
407                 .beginClass <Evoral::Parameter> ("Parameter")
408                 .addConstructor <void (*) (uint32_t, uint8_t, uint32_t)> ()
409                 .addFunction ("type", &Evoral::Parameter::type)
410                 .addFunction ("channel", &Evoral::Parameter::channel)
411                 .addFunction ("id", &Evoral::Parameter::id)
412                 .endClass ()
413
414                 .beginWSPtrClass <Evoral::ControlList> ("ControlList")
415                 .addFunction ("add", &Evoral::ControlList::add)
416                 .addFunction ("thin", &Evoral::ControlList::thin)
417                 .addFunction ("eval", &Evoral::ControlList::eval)
418                 .addRefFunction ("rt_safe_eval", &Evoral::ControlList::rt_safe_eval)
419                 .addFunction ("interpolation", &Evoral::ControlList::interpolation)
420                 .addFunction ("set_interpolation", &Evoral::ControlList::set_interpolation)
421                 .addFunction ("truncate_end", &Evoral::ControlList::truncate_end)
422                 .addFunction ("truncate_start", &Evoral::ControlList::truncate_start)
423                 .addFunction ("clear", (void (Evoral::ControlList::*)(double, double))&Evoral::ControlList::clear)
424                 .addFunction ("in_write_pass", &Evoral::ControlList::in_write_pass)
425                 .endClass ()
426
427                 .beginWSPtrClass <Evoral::ControlSet> ("ControlSet")
428                 .endClass ()
429
430                 .beginWSPtrClass <Evoral::Control> ("Control")
431                 .addFunction ("list", (boost::shared_ptr<Evoral::ControlList>(Evoral::Control::*)())&Evoral::Control::list)
432                 .endClass ()
433
434                 .beginClass <Evoral::ParameterDescriptor> ("ParameterDescriptor")
435                 .addVoidConstructor ()
436                 .addData ("lower", &Evoral::ParameterDescriptor::lower)
437                 .addData ("upper", &Evoral::ParameterDescriptor::upper)
438                 .addData ("normal", &Evoral::ParameterDescriptor::normal)
439                 .addData ("toggled", &Evoral::ParameterDescriptor::toggled)
440                 .endClass ()
441
442                 .beginClass <Evoral::Range<framepos_t> > ("Range")
443                 .addConstructor <void (*) (framepos_t, framepos_t)> ()
444                 .addData ("from", &Evoral::Range<framepos_t>::from)
445                 .addData ("to", &Evoral::Range<framepos_t>::to)
446                 .endClass ()
447
448                 /* libevoral enums */
449                 .beginNamespace ("InterpolationStyle")
450                 .addConst ("Discrete", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Discrete))
451                 .addConst ("Linear", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Linear))
452                 .addConst ("Curved", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Curved))
453                 .endNamespace ()
454
455                 .endNamespace () // Evoral
456
457                 .beginNamespace ("Vamp")
458
459                 .beginClass<Vamp::RealTime> ("RealTime")
460                 .addConstructor <void (*) (int, int)> ()
461                 .addData ("sec", &Vamp::RealTime::sec, false)
462                 .addData ("nsec", &Vamp::RealTime::nsec, false)
463                 .addFunction ("usec", &Vamp::RealTime::usec)
464                 .addFunction ("msec", &Vamp::RealTime::msec)
465                 .addFunction ("toString", &Vamp::RealTime::toString)
466                 .addStaticFunction ("realTime2Frame", &Vamp::RealTime::realTime2Frame)
467                 .addStaticFunction ("frame2RealTime", &Vamp::RealTime::frame2RealTime)
468                 .endClass ()
469
470                 .beginClass<Vamp::PluginBase> ("PluginBase")
471                 .addFunction ("getIdentifier", &Vamp::PluginBase::getIdentifier)
472                 .addFunction ("getName", &Vamp::PluginBase::getName)
473                 .addFunction ("getDescription", &Vamp::PluginBase::getDescription)
474                 .addFunction ("getMaker", &Vamp::PluginBase::getMaker)
475                 .addFunction ("getCopyright", &Vamp::PluginBase::getCopyright)
476                 .addFunction ("getPluginVersion", &Vamp::PluginBase::getPluginVersion)
477                 .addFunction ("getParameterDescriptors", &Vamp::PluginBase::getParameterDescriptors)
478                 .addFunction ("getParameter", &Vamp::PluginBase::getParameter)
479                 .addFunction ("setParameter", &Vamp::PluginBase::setParameter)
480                 .addFunction ("getPrograms", &Vamp::PluginBase::getPrograms)
481                 .addFunction ("getCurrentProgram", &Vamp::PluginBase::getCurrentProgram)
482                 .addFunction ("selectProgram", &Vamp::PluginBase::selectProgram)
483                 .addFunction ("getType", &Vamp::PluginBase::getType)
484                 .endClass ()
485
486                 .beginNamespace ("PluginBase")
487                 .beginClass<Vamp::PluginBase::ParameterDescriptor> ("ParameterDescriptor")
488                 .addData ("identifier", &Vamp::PluginBase::ParameterDescriptor::identifier)
489                 .addData ("name", &Vamp::PluginBase::ParameterDescriptor::name)
490                 .addData ("description", &Vamp::PluginBase::ParameterDescriptor::description)
491                 .addData ("unit", &Vamp::PluginBase::ParameterDescriptor::unit)
492                 .addData ("minValue", &Vamp::PluginBase::ParameterDescriptor::minValue)
493                 .addData ("maxValue", &Vamp::PluginBase::ParameterDescriptor::maxValue)
494                 .addData ("defaultValue", &Vamp::PluginBase::ParameterDescriptor::defaultValue)
495                 .addData ("isQuantized", &Vamp::PluginBase::ParameterDescriptor::isQuantized)
496                 .addData ("quantizeStep", &Vamp::PluginBase::ParameterDescriptor::quantizeStep)
497                 .addData ("valueNames", &Vamp::PluginBase::ParameterDescriptor::valueNames)
498                 .endClass ()
499
500                 .beginStdVector <Vamp::PluginBase::ParameterDescriptor> ("ParameterList")
501                 .endClass ()
502                 .endNamespace () // Vamp::PluginBase
503
504                 .deriveClass<Vamp::Plugin, Vamp::PluginBase> ("Plugin")
505                 // TODO add wrapper std::vector<FloatArray>
506                 .addFunction ("process", &Vamp::Plugin::process) // XXX unusable due to  float * const *
507                 .addFunction ("getRemainingFeatures", &Vamp::Plugin::getRemainingFeatures)
508                 .endClass ()
509
510                 .beginNamespace ("Plugin")
511                 .beginClass<Vamp::Plugin::OutputDescriptor> ("OutputDescriptor")
512                 .addData ("identifier", &Vamp::Plugin::OutputDescriptor::identifier)
513                 .addData ("description", &Vamp::Plugin::OutputDescriptor::description)
514                 .addData ("unit", &Vamp::Plugin::OutputDescriptor::unit)
515                 .addData ("hasFixedBinCount", &Vamp::Plugin::OutputDescriptor::hasFixedBinCount)
516                 .addData ("binCount", &Vamp::Plugin::OutputDescriptor::binCount)
517                 .addData ("binNames", &Vamp::Plugin::OutputDescriptor::binNames)
518                 .addData ("hasKnownExtents", &Vamp::Plugin::OutputDescriptor::hasKnownExtents)
519                 .addData ("minValue", &Vamp::Plugin::OutputDescriptor::minValue)
520                 .addData ("maxValue", &Vamp::Plugin::OutputDescriptor::maxValue)
521                 .addData ("isQuantized", &Vamp::Plugin::OutputDescriptor::isQuantized)
522                 .addData ("quantizeStep", &Vamp::Plugin::OutputDescriptor::quantizeStep)
523                 .addData ("sampleType", &Vamp::Plugin::OutputDescriptor::sampleType)
524                 .addData ("sampleRate", &Vamp::Plugin::OutputDescriptor::sampleRate)
525                 .addData ("hasDuration", &Vamp::Plugin::OutputDescriptor::hasDuration)
526                 .endClass ()
527
528                 .beginNamespace ("OutputDescriptor")
529                 /* Vamp::Plugin::OutputDescriptor enum */
530                 .beginNamespace ("SampleType")
531                 .addConst ("OneSamplePerStep", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::OneSamplePerStep))
532                 .addConst ("FixedSampleRate", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::FixedSampleRate))
533                 .addConst ("VariableSampleRate", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::VariableSampleRate))
534                 .endNamespace ()
535                 .endNamespace () /* Vamp::Plugin::OutputDescriptor */
536
537                 .beginClass<Vamp::Plugin::Feature> ("Feature")
538                 .addData ("hasTimestamp", &Vamp::Plugin::Feature::hasTimestamp, false)
539                 .addData ("timestamp", &Vamp::Plugin::Feature::timestamp, false)
540                 .addData ("hasDuration", &Vamp::Plugin::Feature::hasDuration, false)
541                 .addData ("duration", &Vamp::Plugin::Feature::duration, false)
542                 .addData ("values", &Vamp::Plugin::Feature::values, false)
543                 .addData ("label", &Vamp::Plugin::Feature::label, false)
544                 .endClass ()
545
546                 .beginStdVector <Vamp::Plugin::OutputDescriptor> ("OutputList")
547                 .endClass ()
548
549                 .beginStdVector <Vamp::Plugin::Feature> ("FeatureList")
550                 .endClass ()
551
552                 .beginStdMap <int, Vamp::Plugin::FeatureList> ("FeatureSet")
553                 .endClass ()
554
555                 .endNamespace () // Vamp::Plugin
556                 .endNamespace () // Vamp
557
558                 .beginNamespace ("ARDOUR")
559
560                 .beginClass <InterThreadInfo> ("InterThreadInfo")
561                 .addVoidConstructor ()
562                 .addData ("done", const_cast<bool InterThreadInfo::*>(&InterThreadInfo::done))
563 #if 0 // currently unused, lua is single-threaded, no custom UIs.
564                 .addData ("cancel", (bool InterThreadInfo::*)&InterThreadInfo::cancel)
565 #endif
566                 .addData ("progress", const_cast<float InterThreadInfo::*>(&InterThreadInfo::progress))
567                 .endClass ()
568
569                 .beginClass <AudioRange> ("AudioRange")
570                 .addConstructor <void (*) (framepos_t, framepos_t, uint32_t)> ()
571                 .addFunction ("length", &AudioRange::length)
572                 .addFunction ("equal", &AudioRange::equal)
573                 .addData ("start", &AudioRange::start)
574                 .addData ("_end", &AudioRange::end) // XXX "end" is a lua reserved word
575                 .addData ("id", &AudioRange::id)
576                 .endClass ()
577
578                 .beginWSPtrClass <PluginInfo> ("PluginInfo")
579                 .addVoidConstructor ()
580                 .addData ("name", &PluginInfo::name, false)
581                 .addData ("category", &PluginInfo::category, false)
582                 .addData ("creator", &PluginInfo::creator, false)
583                 .addData ("path", &PluginInfo::path, false)
584                 .addData ("n_inputs", &PluginInfo::n_inputs, false)
585                 .addData ("n_outputs", &PluginInfo::n_outputs, false)
586                 .addData ("type", &PluginInfo::type, false)
587                 .addData ("unique_id", &PluginInfo::unique_id, false)
588                 .addFunction ("is_instrument", &PluginInfo::is_instrument)
589                 .addFunction ("get_presets", &PluginInfo::get_presets)
590                 .endClass ()
591
592                 .beginNamespace ("Route")
593                 .beginClass <Route::ProcessorStreams> ("ProcessorStreams")
594                 .addVoidConstructor ()
595                 .endClass ()
596                 .endNamespace ()
597
598                 .beginClass <ChanMapping> ("ChanMapping")
599                 .addVoidConstructor ()
600                 .addFunction ("get", static_cast<uint32_t(ChanMapping::*)(DataType, uint32_t) const>(&ChanMapping::get))
601                 .addFunction ("set", &ChanMapping::set)
602                 .addFunction ("count", &ChanMapping::count)
603                 .addFunction ("n_total", &ChanMapping::n_total)
604                 .addFunction ("is_monotonic", &ChanMapping::is_monotonic)
605                 .addConst ("Invalid", 4294967295U) // UINT32_MAX
606                 .endClass ()
607
608                 .beginNamespace ("Properties")
609                 // templated class definitions
610                 .beginClass <PBD::PropertyDescriptor<bool> > ("BoolProperty").endClass ()
611                 .beginClass <PBD::PropertyDescriptor<float> > ("FloatProperty").endClass ()
612                 .beginClass <PBD::PropertyDescriptor<framepos_t> > ("FrameposProperty").endClass ()
613                 // actual references (TODO: also expose GQuark for std::set)
614                 //   ardour/region.h
615                 .addConst ("Start", &ARDOUR::Properties::start)
616                 .addConst ("Length", &ARDOUR::Properties::length)
617                 .addConst ("Position", &ARDOUR::Properties::position)
618                 .endNamespace ()
619
620                 .beginClass <PBD::PropertyChange> ("PropertyChange")
621                 // TODO add special handling (std::set<PropertyID>), PropertyID is a GQuark.
622                 // -> direct map to lua table  beginStdSet()A
623                 //
624                 // expand templated PropertyDescriptor<T>
625                 .addFunction ("containsBool", &PBD::PropertyChange::contains<bool>)
626                 .addFunction ("containsFloat", &PBD::PropertyChange::contains<float>)
627                 .addFunction ("containsFramePos", &PBD::PropertyChange::contains<framepos_t>)
628                 .endClass ()
629
630                 .beginClass <PBD::PropertyList> ("PropertyList")
631                 // is-a  std::map<PropertyID, PropertyBase*>
632                 .endClass ()
633
634                 .deriveClass <PBD::OwnedPropertyList, PBD::PropertyList> ("OwnedPropertyList")
635                 .endClass ()
636
637                 .beginWSPtrClass <AutomationList> ("AutomationList")
638                 .addCast<PBD::Stateful> ("to_stateful")
639                 .addCast<PBD::StatefulDestructible> ("to_statefuldestructible")
640                 .addCast<Evoral::ControlList> ("list")
641                 .addFunction ("get_state", &AutomationList::get_state)
642                 .addFunction ("memento_command", &AutomationList::memento_command)
643                 .addFunction ("touching", &AutomationList::touching)
644                 .addFunction ("writing", &AutomationList::writing)
645                 .addFunction ("touch_enabled", &AutomationList::touch_enabled)
646                 .endClass ()
647
648                 .deriveClass <Location, PBD::StatefulDestructible> ("Location")
649                 .addFunction ("name", &Location::name)
650                 .addFunction ("locked", &Location::locked)
651                 .addFunction ("lock", &Location::lock)
652                 .addFunction ("unlock", &Location::unlock)
653                 .addFunction ("start", &Location::start)
654                 .addFunction ("_end", &Location::end) // XXX "end" is a lua reserved word
655                 .addFunction ("length", &Location::length)
656                 .addFunction ("set_start", &Location::set_start)
657                 .addFunction ("set_end", &Location::set_end)
658                 .addFunction ("set_length", &Location::set)
659                 .addFunction ("move_to", &Location::move_to)
660                 .addFunction ("matches", &Location::matches)
661                 .addFunction ("flags", &Location::flags)
662                 .addFunction ("is_auto_punch", &Location::is_auto_punch)
663                 .addFunction ("is_auto_loop", &Location::is_auto_loop)
664                 .addFunction ("is_mark", &Location::is_mark)
665                 .addFunction ("is_hidden", &Location::is_hidden)
666                 .addFunction ("is_cd_marker", &Location::is_cd_marker)
667                 .addFunction ("is_session_range", &Location::is_session_range)
668                 .addFunction ("is_range_marker", &Location::is_range_marker)
669                 .endClass ()
670
671                 .deriveClass <Locations, PBD::StatefulDestructible> ("Locations")
672                 .addFunction ("list", static_cast<Locations::LocationList (Locations::*)()>(&Locations::list))
673                 .addFunction ("auto_loop_location", &Locations::auto_loop_location)
674                 .addFunction ("auto_punch_location", &Locations::auto_punch_location)
675                 .addFunction ("session_range_location", &Locations::session_range_location)
676                 .addFunction ("first_mark_after", &Locations::first_mark_after)
677                 .addFunction ("first_mark_before", &Locations::first_mark_before)
678                 .addFunction ("first_mark_at", &Locations::mark_at)
679                 .addFunction ("remove", &Locations::remove)
680                 .addRefFunction ("marks_either_side", &Locations::marks_either_side)
681                 .addRefFunction ("find_all_between", &Locations::find_all_between)
682                 .endClass ()
683
684                 .beginWSPtrClass <SessionObject> ("SessionObject")
685                 /* SessionObject is-a PBD::StatefulDestructible,
686                  * but multiple inheritance is not covered by luabridge,
687                  * we need explicit casts */
688                 .addCast<PBD::Stateful> ("to_stateful")
689                 .addCast<PBD::StatefulDestructible> ("to_statefuldestructible")
690                 .addFunction ("name", &SessionObject::name)
691                 .endClass ()
692
693                 .beginWSPtrClass <Port> ("Port")
694                 .addCast<MidiPort> ("to_midiport")
695                 .addCast<AudioPort> ("to_audioport")
696                 .addFunction ("name", &Port::name)
697                 .addFunction ("pretty_name", &Port::pretty_name)
698                 .addFunction ("receives_input", &Port::receives_input)
699                 .addFunction ("sends_output", &Port::sends_output)
700                 .addFunction ("connected", &Port::connected)
701                 .addFunction ("disconnect_all", &Port::disconnect_all)
702                 .addFunction ("connected_to_name", (bool (Port::*)(std::string const &)const)&Port::connected_to)
703                 .addFunction ("connect_by_name", (int (Port::*)(std::string const &))&Port::connect)
704                 .addFunction ("disconnect_by_name", (int (Port::*)(std::string const &))&Port::disconnect)
705                 .addFunction ("connected_to", (bool (Port::*)(Port*)const)&Port::connected_to)
706                 .addFunction ("connect", (int (Port::*)(Port*))&Port::connect)
707                 .addFunction ("disconnect", (int (Port::*)(Port*))&Port::disconnect)
708                 //.addStaticFunction ("port_offset", &Port::port_offset) // static
709                 .endClass ()
710
711                 .deriveWSPtrClass <AudioPort, Port> ("AudioPort")
712                 .endClass ()
713
714                 .deriveWSPtrClass <MidiPort, Port> ("MidiPort")
715                 .addFunction ("input_active", &MidiPort::input_active)
716                 .addFunction ("set_input_active", &MidiPort::set_input_active)
717                 .addFunction ("get_midi_buffer", &MidiPort::get_midi_buffer) // DSP only
718                 .endClass ()
719
720                 .beginWSPtrClass <PortSet> ("PortSet")
721                 .addFunction ("num_ports", (size_t (PortSet::*)(DataType)const)&PortSet::num_ports)
722                 .addFunction ("add", &PortSet::add)
723                 .addFunction ("remove", &PortSet::remove)
724                 .addFunction ("port", (boost::shared_ptr<Port> (PortSet::*)(DataType, size_t)const)&PortSet::port)
725                 .addFunction ("contains", &PortSet::contains)
726                 .addFunction ("clear", &PortSet::clear)
727                 .addFunction ("empty", &PortSet::empty)
728                 .endClass ()
729
730                 .deriveWSPtrClass <IO, SessionObject> ("IO")
731                 .addFunction ("active", &IO::active)
732                 .addFunction ("add_port", &IO::add_port)
733                 .addFunction ("remove_port", &IO::remove_port)
734                 .addFunction ("connect", &IO::connect)
735                 .addFunction ("disconnect", (int (IO::*)(boost::shared_ptr<Port>, std::string, void *))&IO::disconnect)
736                 .addFunction ("physically_connected", &IO::physically_connected)
737                 .addFunction ("has_port", &IO::has_port)
738                 .addFunction ("nth", &IO::nth)
739                 .addFunction ("audio", &IO::audio)
740                 .addFunction ("midi", &IO::midi)
741                 .addFunction ("port_by_name", &IO::nth)
742                 .addFunction ("n_ports", &IO::n_ports)
743                 .endClass ()
744
745                 .beginClass <RouteGroup> ("RouteGroup")
746                 // stub RouteGroup* is needed for new_audio_track()
747                 .endClass ()
748
749                 .deriveClass <PresentationInfo, PBD::Stateful> ("PresentationInfo")
750                 .addFunction ("color", &PresentationInfo::color)
751                 .addFunction ("set_color", &PresentationInfo::set_color)
752                 .addFunction ("order", &PresentationInfo::order)
753                 .endClass ()
754
755                 .deriveWSPtrClass <Stripable, SessionObject> ("Stripable")
756                 .addCast<Route> ("to_route")
757                 .addFunction ("is_auditioner", &Stripable::is_auditioner)
758                 .addFunction ("is_master", &Stripable::is_master)
759                 .addFunction ("is_monitor", &Stripable::is_monitor)
760                 .addFunction ("is_hidden", &Stripable::is_hidden)
761                 .addFunction ("is_selected", &Stripable::is_selected)
762                 .addFunction ("gain_control", &Stripable::gain_control)
763                 .addFunction ("solo_control", &Stripable::solo_control)
764                 .addFunction ("solo_isolate_control", &Stripable::solo_isolate_control)
765                 .addFunction ("solo_safe_control", &Stripable::solo_safe_control)
766                 .addFunction ("mute_control", &Stripable::mute_control)
767                 .addFunction ("phase_control", &Stripable::phase_control)
768                 .addFunction ("trim_control", &Stripable::trim_control)
769                 .addFunction ("rec_enable_control", &Stripable::rec_enable_control)
770                 .addFunction ("rec_safe_control", &Stripable::rec_safe_control)
771                 .addFunction ("pan_azimuth_control", &Stripable::pan_azimuth_control)
772                 .addFunction ("pan_elevation_control", &Stripable::pan_elevation_control)
773                 .addFunction ("pan_width_control", &Stripable::pan_width_control)
774                 .addFunction ("pan_frontback_control", &Stripable::pan_frontback_control)
775                 .addFunction ("pan_lfe_control", &Stripable::pan_lfe_control)
776                 .addFunction ("send_level_control", &Stripable::send_level_controllable)
777                 .addFunction ("send_enable_control", &Stripable::send_level_controllable)
778                 .addFunction ("send_name", &Stripable::send_name)
779                 .addFunction ("monitor_control", &Stripable::monitor_control)
780                 .addFunction ("master_send_enable_control ", &Stripable::master_send_enable_controllable )
781                 .addFunction ("comp_enable_control ", &Stripable::comp_enable_controllable )
782                 .addFunction ("comp_threshold_control ", &Stripable::comp_threshold_controllable )
783                 .addFunction ("comp_speed_control ", &Stripable::comp_speed_controllable )
784                 .addFunction ("comp_mode_control ", &Stripable::comp_mode_controllable )
785                 .addFunction ("comp_makeup_control ", &Stripable::comp_makeup_controllable )
786                 .addFunction ("comp_redux_control ", &Stripable::comp_redux_controllable )
787                 .addFunction ("comp_mode_name", &Stripable::comp_mode_name)
788                 .addFunction ("comp_speed_name", &Stripable::comp_speed_name)
789                 .addFunction ("eq_band_cnt ", &Stripable::eq_band_cnt)
790                 .addFunction ("eq_band_name", &Stripable::eq_band_name)
791                 .addFunction ("eq_gain_control", &Stripable::eq_gain_controllable)
792                 .addFunction ("eq_freq_control ", &Stripable::eq_freq_controllable )
793                 .addFunction ("eq_q_control ", &Stripable::eq_q_controllable )
794                 .addFunction ("eq_shape_control ", &Stripable::eq_shape_controllable )
795                 .addFunction ("eq_enable_control ", &Stripable::eq_enable_controllable )
796                 .addFunction ("eq_hpf_control ", &Stripable::eq_hpf_controllable )
797                 .addFunction ("set_presentation_order", &Stripable::set_presentation_order)
798                 .addFunction ("presentation_info_ptr", &Stripable::presentation_info_ptr)
799
800                 .endClass ()
801
802                 .deriveWSPtrClass <Route, Stripable> ("Route")
803                 .addCast<Track> ("to_track")
804                 .addFunction ("set_name", &Route::set_name)
805                 .addFunction ("comment", &Route::comment)
806                 .addFunction ("active", &Route::active)
807                 .addFunction ("set_active", &Route::set_active)
808                 .addFunction ("nth_plugin", &Route::nth_plugin)
809                 .addFunction ("nth_processor", &Route::nth_processor)
810                 .addFunction ("nth_send", &Route::nth_send)
811                 .addFunction ("add_processor_by_index", &Route::add_processor_by_index)
812                 .addFunction ("remove_processor", &Route::remove_processor)
813                 .addFunction ("replace_processor", &Route::replace_processor)
814                 .addFunction ("n_inputs", &Route::n_inputs)
815                 .addFunction ("n_outputs", &Route::n_outputs)
816                 .addFunction ("set_comment", &Route::set_comment)
817                 .addFunction ("strict_io", &Route::strict_io)
818                 .addFunction ("set_strict_io", &Route::set_strict_io)
819                 .addFunction ("reset_plugin_insert", &Route::reset_plugin_insert)
820                 .addFunction ("customize_plugin_insert", &Route::customize_plugin_insert)
821                 .addFunction ("add_sidechain", &Route::add_sidechain)
822                 .addFunction ("remove_sidechain", &Route::remove_sidechain)
823                 .addFunction ("main_outs", &Route::main_outs)
824                 .addFunction ("muted", &Route::muted)
825                 .addFunction ("soloed", &Route::soloed)
826                 .addFunction ("amp", &Route::amp)
827                 .addFunction ("trim", &Route::trim)
828                 .addFunction ("peak_meter", (boost::shared_ptr<PeakMeter> (Route::*)())&Route::peak_meter)
829                 .addFunction ("set_meter_point", &Route::set_meter_point)
830                 .endClass ()
831
832                 .deriveWSPtrClass <Playlist, SessionObject> ("Playlist")
833                 .addCast<AudioPlaylist> ("to_audioplaylist")
834                 .addFunction ("region_by_id", &Playlist::region_by_id)
835                 .addFunction ("data_type", &Playlist::data_type)
836                 .addFunction ("n_regions", &Playlist::n_regions)
837                 //.addFunction ("get_extent", &Playlist::get_extent) // pair<framepos_t, framepos_t>
838                 .addFunction ("region_list", &Playlist::region_list)
839                 .addFunction ("add_region", &Playlist::add_region)
840                 .addFunction ("remove_region", &Playlist::remove_region)
841                 .addFunction ("regions_at", &Playlist::regions_at)
842                 .addFunction ("top_region_at", &Playlist::top_region_at)
843                 .addFunction ("top_unmuted_region_at", &Playlist::top_unmuted_region_at)
844                 .addFunction ("find_next_region", &Playlist::find_next_region)
845                 .addFunction ("find_next_region_boundary", &Playlist::find_next_region_boundary)
846                 .addFunction ("count_regions_at", &Playlist::count_regions_at)
847                 .addFunction ("regions_touched", &Playlist::regions_touched)
848                 .addFunction ("regions_with_start_within", &Playlist::regions_with_start_within)
849                 .addFunction ("regions_with_end_within", &Playlist::regions_with_end_within)
850                 .addFunction ("raise_region", &Playlist::raise_region)
851                 .addFunction ("lower_region", &Playlist::lower_region)
852                 .addFunction ("raise_region_to_top", &Playlist::raise_region_to_top)
853                 .addFunction ("lower_region_to_bottom", &Playlist::lower_region_to_bottom)
854                 .addFunction ("duplicate", (void (Playlist::*)(boost::shared_ptr<Region>, framepos_t, framecnt_t, float))&Playlist::duplicate)
855                 .addFunction ("duplicate_until", &Playlist::duplicate_until)
856                 .addFunction ("duplicate_range", &Playlist::duplicate_range)
857                 .addFunction ("combine", &Playlist::combine)
858                 .addFunction ("uncombine", &Playlist::uncombine)
859                 .addFunction ("split_region", &Playlist::split_region)
860                 .addFunction ("split", (void (Playlist::*)(framepos_t))&Playlist::split)
861                 .addFunction ("cut", (boost::shared_ptr<Playlist> (Playlist::*)(std::list<AudioRange>&, bool))&Playlist::cut)
862 #if 0
863                 .addFunction ("copy", &Playlist::copy)
864                 .addFunction ("paste", &Playlist::paste)
865 #endif
866                 .endClass ()
867
868                 .deriveWSPtrClass <AudioPlaylist, Playlist> ("AudioPlaylist")
869                 .addFunction ("read", &AudioPlaylist::read)
870                 .endClass ()
871
872                 .deriveWSPtrClass <Track, Route> ("Track")
873                 .addCast<AudioTrack> ("to_audio_track")
874                 .addCast<MidiTrack> ("to_midi_track")
875                 .addFunction ("set_name", &Track::set_name)
876                 .addFunction ("can_record", &Track::can_record)
877                 .addFunction ("bounceable", &Track::bounceable)
878                 .addFunction ("bounce", &Track::bounce)
879                 .addFunction ("bounce_range", &Track::bounce_range)
880                 .addFunction ("playlist", &Track::playlist)
881                 .endClass ()
882
883                 .deriveWSPtrClass <AudioTrack, Track> ("AudioTrack")
884                 .endClass ()
885
886                 .deriveWSPtrClass <MidiTrack, Track> ("MidiTrack")
887                 .endClass ()
888
889                 .beginWSPtrClass <Readable> ("Readable")
890                 .addFunction ("read", &Readable::read)
891                 .addFunction ("readable_length", &Readable::readable_length)
892                 .addFunction ("n_channels", &Readable::n_channels)
893                 .endClass ()
894
895                 .deriveWSPtrClass <Region, SessionObject> ("Region")
896                 .addCast<Readable> ("to_readable")
897                 /* properties */
898                 .addFunction ("position", &Region::position)
899                 .addFunction ("start", &Region::start)
900                 .addFunction ("length", &Region::length)
901                 .addFunction ("layer", &Region::layer)
902                 .addFunction ("data_type", &Region::data_type)
903                 .addFunction ("stretch", &Region::stretch)
904                 .addFunction ("shift", &Region::shift)
905                 .addRefFunction ("sync_offset", &Region::sync_offset)
906                 .addFunction ("sync_position", &Region::sync_position)
907                 .addFunction ("hidden", &Region::hidden)
908                 .addFunction ("muted", &Region::muted)
909                 .addFunction ("opaque", &Region::opaque)
910                 .addFunction ("locked", &Region::locked)
911                 .addFunction ("position_locked", &Region::position_locked)
912                 .addFunction ("video_locked", &Region::video_locked)
913                 .addFunction ("automatic", &Region::automatic)
914                 .addFunction ("whole_file", &Region::whole_file)
915                 .addFunction ("captured", &Region::captured)
916                 .addFunction ("can_move", &Region::can_move)
917                 .addFunction ("sync_marked", &Region::sync_marked)
918                 .addFunction ("external", &Region::external)
919                 .addFunction ("import", &Region::import)
920                 .addFunction ("covers", &Region::covers)
921                 .addFunction ("at_natural_position", &Region::at_natural_position)
922                 .addFunction ("is_compound", &Region::is_compound)
923                 /* editing operations */
924                 .addFunction ("set_length", &Region::set_length)
925                 .addFunction ("set_start", &Region::set_start)
926                 .addFunction ("set_position", &Region::set_position)
927                 .addFunction ("set_initial_position", &Region::set_initial_position)
928                 .addFunction ("nudge_position", &Region::nudge_position)
929                 .addFunction ("move_to_natural_position", &Region::move_to_natural_position)
930                 .addFunction ("move_start", &Region::move_start)
931                 .addFunction ("trim_front", &Region::trim_front)
932                 .addFunction ("trim_end", &Region::trim_end)
933                 .addFunction ("trim_to", &Region::trim_to)
934                 .addFunction ("cut_front", &Region::cut_front)
935                 .addFunction ("cut_end", &Region::cut_end)
936                 .addFunction ("raise", &Region::raise)
937                 .addFunction ("lower", &Region::lower)
938                 .addFunction ("raise_to_top", &Region::raise_to_top)
939                 .addFunction ("lower_to_bottom", &Region::lower_to_bottom)
940                 .addFunction ("set_sync_position", &Region::set_sync_position)
941                 .addFunction ("clear_sync_position", &Region::clear_sync_position)
942                 .addFunction ("set_hidden", &Region::set_hidden)
943                 .addFunction ("set_muted", &Region::set_muted)
944                 .addFunction ("set_opaque", &Region::set_opaque)
945                 .addFunction ("set_locked", &Region::set_locked)
946                 .addFunction ("set_video_locked", &Region::set_video_locked)
947                 .addFunction ("set_position_locked", &Region::set_position_locked)
948                 .endClass ()
949
950                 .beginWSPtrClass <Source> ("Source")
951                 .endClass ()
952
953                 .beginClass <Plugin::PresetRecord> ("PresetRecord")
954                 .addVoidConstructor ()
955                 .addData ("uri", &Plugin::PresetRecord::uri, false)
956                 .addData ("label", &Plugin::PresetRecord::label, false)
957                 .addData ("user", &Plugin::PresetRecord::user, false)
958                 .addData ("valid", &Plugin::PresetRecord::valid, false)
959                 .endClass ()
960
961                 .beginStdVector <Plugin::PresetRecord> ("PresetVector").endClass ()
962
963                 .deriveWSPtrClass <Automatable, Evoral::ControlSet> ("Automatable")
964                 .addFunction ("automation_control", (boost::shared_ptr<AutomationControl>(Automatable::*)(const Evoral::Parameter&, bool))&Automatable::automation_control)
965                 .endClass ()
966
967                 .deriveClass <ParameterDescriptor, Evoral::ParameterDescriptor> ("ParameterDescriptor")
968                 .addVoidConstructor ()
969                 .addData ("label", &ParameterDescriptor::label)
970                 .addData ("logarithmic", &ParameterDescriptor::logarithmic)
971                 .addStaticFunction ("midi_note_name", &ParameterDescriptor::midi_note_name)
972                 .endClass ()
973
974                 .beginStdVector <boost::shared_ptr<ARDOUR::Processor> > ("ProcessorVector").endClass ()
975
976                 .deriveWSPtrClass <Processor, SessionObject> ("Processor")
977                 .addCast<Automatable> ("to_automatable")
978                 .addCast<PluginInsert> ("to_insert")
979                 .addCast<SideChain> ("to_sidechain")
980                 .addCast<IOProcessor> ("to_ioprocessor")
981                 .addCast<UnknownProcessor> ("to_unknownprocessor")
982                 .addCast<Amp> ("to_amp")
983                 .addCast<PeakMeter> ("to_peakmeter")
984                 .addCast<MonitorProcessor> ("to_monitorprocessor")
985 #if 0 // those objects are not yet bound
986                 .addCast<CapturingProcessor> ("to_capturingprocessor")
987                 .addCast<DelayLine> ("to_delayline")
988                 .addCast<PeakMeter> ("to_meter")
989 #endif
990                 .addFunction ("display_name", &Processor::display_name)
991                 .addFunction ("active", &Processor::active)
992                 .addFunction ("activate", &Processor::activate)
993                 .addFunction ("deactivate", &Processor::deactivate)
994                 .endClass ()
995
996                 .deriveWSPtrClass <IOProcessor, Processor> ("IOProcessor")
997                 .addFunction ("natural_input_streams", &IOProcessor::natural_input_streams)
998                 .addFunction ("natural_output_streams", &IOProcessor::natural_output_streams)
999                 .addFunction ("input", (boost::shared_ptr<IO>(IOProcessor::*)())&IOProcessor::input)
1000                 .addFunction ("output", (boost::shared_ptr<IO>(IOProcessor::*)())&IOProcessor::output)
1001                 .endClass ()
1002
1003                 .deriveWSPtrClass <SideChain, IOProcessor> ("SideChain")
1004                 .endClass ()
1005
1006                 .deriveWSPtrClass <Delivery, IOProcessor> ("Delivery")
1007                 .endClass ()
1008
1009                 .deriveWSPtrClass <Plugin, PBD::StatefulDestructible> ("Plugin")
1010                 .addFunction ("label", &Plugin::label)
1011                 .addFunction ("name", &Plugin::name)
1012                 .addFunction ("maker", &Plugin::maker)
1013                 .addFunction ("parameter_count", &Plugin::parameter_count)
1014                 .addRefFunction ("nth_parameter", &Plugin::nth_parameter)
1015                 .addFunction ("preset_by_label", &Plugin::preset_by_label)
1016                 .addFunction ("preset_by_uri", &Plugin::preset_by_uri)
1017                 .addFunction ("load_preset", &Plugin::load_preset)
1018                 .addFunction ("parameter_is_input", &Plugin::parameter_is_input)
1019                 .addFunction ("get_docs", &Plugin::get_docs)
1020                 .addFunction ("get_info", &Plugin::get_info)
1021                 .addFunction ("get_parameter_docs", &Plugin::get_parameter_docs)
1022                 .addRefFunction ("get_parameter_descriptor", &Plugin::get_parameter_descriptor)
1023                 .endClass ()
1024
1025                 .deriveWSPtrClass <PluginInsert, Processor> ("PluginInsert")
1026                 .addFunction ("plugin", &PluginInsert::plugin)
1027                 .addFunction ("activate", &PluginInsert::activate)
1028                 .addFunction ("deactivate", &PluginInsert::deactivate)
1029                 .addFunction ("strict_io_configured", &PluginInsert::strict_io_configured)
1030                 .addFunction ("input_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::input_map)
1031                 .addFunction ("output_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::output_map)
1032                 .addFunction ("set_input_map", &PluginInsert::set_input_map)
1033                 .addFunction ("set_output_map", &PluginInsert::set_output_map)
1034                 .addFunction ("sidechain_input", &PluginInsert::sidechain_input)
1035                 .endClass ()
1036
1037                 .deriveWSPtrClass <AutomationControl, PBD::Controllable> ("AutomationControl")
1038                 .addCast<Evoral::Control> ("to_ctrl")
1039                 .addFunction ("automation_state", &AutomationControl::automation_state)
1040                 .addFunction ("automation_style", &AutomationControl::automation_style)
1041                 .addFunction ("set_automation_state", &AutomationControl::set_automation_state)
1042                 .addFunction ("set_automation_style", &AutomationControl::set_automation_style)
1043                 .addFunction ("start_touch", &AutomationControl::start_touch)
1044                 .addFunction ("stop_touch", &AutomationControl::stop_touch)
1045                 .addFunction ("get_value", &AutomationControl::get_value)
1046                 .addFunction ("set_value", &AutomationControl::set_value)
1047                 .addFunction ("writable", &AutomationControl::writable)
1048                 .addFunction ("alist", &AutomationControl::alist)
1049                 .endClass ()
1050
1051                 .deriveWSPtrClass <SlavableAutomationControl, AutomationControl> ("SlavableAutomationControl,")
1052                 .addFunction ("add_master", &SlavableAutomationControl::add_master)
1053                 .addFunction ("remove_master", &SlavableAutomationControl::remove_master)
1054                 .addFunction ("clear_masters", &SlavableAutomationControl::clear_masters)
1055                 .addFunction ("slaved_to", &SlavableAutomationControl::slaved_to)
1056                 .addFunction ("slaved", &SlavableAutomationControl::slaved)
1057                 .addFunction ("get_masters_value", &SlavableAutomationControl::get_masters_value)
1058                 .addFunction ("get_boolean_masters", &SlavableAutomationControl::get_boolean_masters)
1059                 //.addFunction ("masters", &SlavableAutomationControl::masters) // not implemented
1060                 .endClass ()
1061
1062                 .deriveWSPtrClass <PhaseControl, AutomationControl> ("PhaseControl")
1063                 .addFunction ("set_phase_invert", (void(PhaseControl::*)(uint32_t, bool))&PhaseControl::set_phase_invert)
1064                 .addFunction ("inverted", &PhaseControl::inverted)
1065                 .endClass ()
1066
1067                 .deriveWSPtrClass <GainControl, SlavableAutomationControl> ("GainControl")
1068                 .endClass ()
1069
1070                 .deriveWSPtrClass <SoloControl, SlavableAutomationControl> ("SoloControl")
1071                 .addFunction ("can_solo", &SoloControl::can_solo)
1072                 .addFunction ("soloed", &SoloControl::soloed)
1073                 .addFunction ("self_soloed", &SoloControl::self_soloed)
1074                 .endClass ()
1075
1076                 .deriveWSPtrClass <MuteControl, SlavableAutomationControl> ("MuteControl")
1077                 .addFunction ("muted", &MuteControl::muted)
1078                 .addFunction ("muted_by_self", &MuteControl::muted_by_self)
1079                 .endClass ()
1080
1081                 .deriveWSPtrClass <SoloIsolateControl, SlavableAutomationControl> ("SoloIsolateControl")
1082                 .addFunction ("solo_isolated", &SoloIsolateControl::solo_isolated)
1083                 .addFunction ("self_solo_isolated", &SoloIsolateControl::self_solo_isolated)
1084                 .endClass ()
1085
1086                 .deriveWSPtrClass <SoloSafeControl, SlavableAutomationControl> ("SoloSafeControl")
1087                 .addFunction ("solo_safe", &SoloSafeControl::solo_safe)
1088                 .endClass ()
1089
1090                 .deriveWSPtrClass <Amp, Processor> ("Amp")
1091                 .addFunction ("gain_control", (boost::shared_ptr<GainControl>(Amp::*)())&Amp::gain_control)
1092                 .endClass ()
1093
1094                 .deriveWSPtrClass <PeakMeter, Processor> ("PeakMeter")
1095                 .addFunction ("meter_level", &PeakMeter::meter_level)
1096                 .addFunction ("set_type", &PeakMeter::set_type)
1097                 .addFunction ("reset_max", &PeakMeter::reset_max)
1098                 .endClass ()
1099
1100                 .deriveWSPtrClass <MonitorProcessor, Processor> ("MonitorProcessor")
1101                 .addFunction ("set_cut_all", &MonitorProcessor::set_cut_all)
1102                 .addFunction ("set_dim_all", &MonitorProcessor::set_dim_all)
1103                 .addFunction ("set_polarity", &MonitorProcessor::set_polarity)
1104                 .addFunction ("set_cut", &MonitorProcessor::set_cut)
1105                 .addFunction ("set_dim", &MonitorProcessor::set_dim)
1106                 .addFunction ("set_solo", &MonitorProcessor::set_solo)
1107                 .addFunction ("set_mono", &MonitorProcessor::set_mono)
1108                 .addFunction ("dim_level", &MonitorProcessor::dim_level)
1109                 .addFunction ("solo_boost_level", &MonitorProcessor::solo_boost_level)
1110                 .addFunction ("dimmed", &MonitorProcessor::dimmed)
1111                 .addFunction ("soloed", &MonitorProcessor::soloed)
1112                 .addFunction ("inverted", &MonitorProcessor::inverted)
1113                 .addFunction ("cut", &MonitorProcessor::cut)
1114                 .addFunction ("cut_all", &MonitorProcessor::cut_all)
1115                 .addFunction ("dim_all", &MonitorProcessor::dim_all)
1116                 .addFunction ("mono", &MonitorProcessor::mono)
1117                 .addFunction ("monitor_active", &MonitorProcessor::monitor_active)
1118                 .addFunction ("channel_cut_control", &MonitorProcessor::channel_cut_control)
1119                 .addFunction ("channel_dim_control", &MonitorProcessor::channel_dim_control)
1120                 .addFunction ("channel_polarity_control", &MonitorProcessor::channel_polarity_control)
1121                 .addFunction ("channel_solo_control", &MonitorProcessor::channel_solo_control)
1122                 .addFunction ("dim_control", &MonitorProcessor::dim_control)
1123                 .addFunction ("cut_control", &MonitorProcessor::cut_control)
1124                 .addFunction ("mono_control", &MonitorProcessor::mono_control)
1125                 .addFunction ("dim_level_control", &MonitorProcessor::dim_level_control)
1126                 .addFunction ("solo_boost_control", &MonitorProcessor::solo_boost_control)
1127                 .endClass ()
1128
1129                 .deriveWSPtrClass <UnknownProcessor, Processor> ("UnknownProcessor")
1130                 .endClass ()
1131
1132                 .deriveWSPtrClass <PluginInsert::PluginControl, AutomationControl> ("PluginControl")
1133                 .endClass ()
1134
1135                 .deriveWSPtrClass <AudioSource, Source> ("AudioSource")
1136                 .addFunction ("readable_length", &AudioSource::readable_length)
1137                 .addFunction ("n_channels", &AudioSource::n_channels)
1138                 .endClass ()
1139
1140                 // <std::list<boost::shared_ptr <AudioTrack> >
1141                 .beginStdList <boost::shared_ptr<AudioTrack> > ("AudioTrackList")
1142                 .endClass ()
1143
1144                 // std::list<boost::shared_ptr <MidiTrack> >
1145                 .beginStdList <boost::shared_ptr<MidiTrack> > ("MidiTrackList")
1146                 .endClass ()
1147
1148                 // RouteList == std::list<boost::shared_ptr<Route> >
1149                 .beginConstStdList <boost::shared_ptr<Route> > ("RouteList")
1150                 .endClass ()
1151
1152                 // boost::shared_ptr<RouteList>
1153                 .beginPtrStdList <boost::shared_ptr<Route> > ("RouteListPtr")
1154                 .endClass ()
1155
1156                 // typedef std::list<boost::weak_ptr <Route> > WeakRouteList
1157                 .beginConstStdList <boost::weak_ptr<Route> > ("WeakRouteList")
1158                 .endClass ()
1159
1160                 // std::list< boost::weak_ptr <AudioSource> >
1161                 .beginConstStdList <boost::weak_ptr<AudioSource> > ("WeakAudioSourceList")
1162                 .endClass ()
1163
1164                 // typedef std::list<boost::shared_ptr<Region> > RegionList
1165                 .beginConstStdList <boost::shared_ptr<Region> > ("RegionList")
1166                 .endClass ()
1167
1168                 // boost::shared_ptr <std::list<boost::shared_ptr<Region> > >
1169                 .beginPtrStdList <boost::shared_ptr<Region> > ("RegionListPtr")
1170                 .endClass ()
1171
1172                 //std::list<boost::shared_ptr<Port> > PortList;
1173                 .beginConstStdList <boost::shared_ptr<Port> > ("PortList")
1174                 .endClass ()
1175
1176                 // used by Playlist::cut/copy
1177                 .beginConstStdList <AudioRange> ("AudioRangeList")
1178                 .endClass ()
1179
1180                 .beginConstStdList <Location*> ("LocationList")
1181                 .endClass ()
1182
1183 #if 0  // depends on Evoal:: Note, Beats see note_fixer.h
1184         // typedef Evoral::Note<Evoral::Beats> Note;
1185         // std::set< boost::weak_ptr<Note> >
1186                 .beginStdSet <boost::weak_ptr<Note> > ("WeakNoteSet")
1187                 .endClass ()
1188 #endif
1189
1190         // std::list<boost::weak_ptr<Source> >
1191                 .beginConstStdList <boost::weak_ptr<Source> > ("WeakSourceList")
1192                 .endClass ()
1193
1194                 .beginClass <Tempo> ("Tempo")
1195                 .addConstructor <void (*) (double, double)> ()
1196                 .addFunction ("note_type", &Tempo::note_type)
1197                 .addFunction ("beats_per_minute", &Tempo::beats_per_minute)
1198                 .addFunction ("frames_per_beat", &Tempo::frames_per_beat)
1199                 .endClass ()
1200
1201                 .beginClass <Meter> ("Meter")
1202                 .addConstructor <void (*) (double, double)> ()
1203                 .addFunction ("divisions_per_bar", &Meter::divisions_per_bar)
1204                 .addFunction ("note_divisor", &Meter::note_divisor)
1205                 .addFunction ("frames_per_bar", &Meter::frames_per_bar)
1206                 .addFunction ("frames_per_grid", &Meter::frames_per_grid)
1207                 .endClass ()
1208
1209                 .beginClass <TempoMap> ("TempoMap")
1210                 .addFunction ("add_tempo", &TempoMap::add_tempo)
1211                 .addFunction ("add_meter", &TempoMap::add_meter)
1212                 .addFunction ("tempo_section_at_frame", &TempoMap::tempo_section_at_frame)
1213                 .addFunction ("meter_section_at_frame", &TempoMap::meter_section_at_frame)
1214                 .addFunction ("meter_section_at_beat", &TempoMap::meter_section_at_beat)
1215                 .endClass ()
1216
1217                 .beginClass <MetricSection> ("MetricSection")
1218                 .addFunction ("pulse", &MetricSection::pulse)
1219                 .addFunction ("set_pulse", &MetricSection::set_pulse)
1220                 .endClass ()
1221
1222                 .deriveClass <TempoSection, MetricSection> ("TempoSection")
1223                 .addFunction ("c_func", (double(TempoSection::*)()const)&TempoSection::c_func)
1224                 .endClass ()
1225
1226                 .deriveClass <MeterSection, MetricSection> ("MeterSection")
1227                 .addCast<Meter> ("to_meter")
1228                 .addFunction ("set_pulse", &MeterSection::set_pulse)
1229                 .addFunction ("set_beat", (void(MeterSection::*)(double))&MeterSection::set_beat)
1230                 .endClass ()
1231
1232                 .beginClass <ChanCount> ("ChanCount")
1233                 .addConstructor <void (*) (DataType, uint32_t)> ()
1234                 .addFunction ("get", &ChanCount::get)
1235                 .addFunction ("set", &ChanCount::set)
1236                 .addFunction ("n_audio", &ChanCount::n_audio)
1237                 .addFunction ("n_midi", &ChanCount::n_midi)
1238                 .addFunction ("n_total", &ChanCount::n_total)
1239                 .addFunction ("reset", &ChanCount::reset)
1240                 .endClass()
1241
1242                 .beginClass <DataType> ("DataType")
1243                 .addConstructor <void (*) (std::string)> ()
1244                 .addStaticCFunction ("null",  &LuaAPI::datatype_ctor_null) // "nil" is a lua reseved word
1245                 .addStaticCFunction ("audio", &LuaAPI::datatype_ctor_audio)
1246                 .addStaticCFunction ("midi",  &LuaAPI::datatype_ctor_midi)
1247                 .addFunction ("to_string",  &DataType::to_string) // TODO Lua __tostring
1248                 // TODO add uint32_t cast, add operator==  !=
1249                 .endClass()
1250
1251                 /* libardour enums */
1252                 .beginNamespace ("PluginType")
1253                 .addConst ("AudioUnit", ARDOUR::PluginType(AudioUnit))
1254                 .addConst ("LADSPA", ARDOUR::PluginType(LADSPA))
1255                 .addConst ("LV2", ARDOUR::PluginType(LV2))
1256                 .addConst ("Windows_VST", ARDOUR::PluginType(Windows_VST))
1257                 .addConst ("LXVST", ARDOUR::PluginType(LXVST))
1258                 .addConst ("Lua", ARDOUR::PluginType(Lua))
1259                 .endNamespace ()
1260
1261                 .beginNamespace ("PresentationInfo")
1262                 .beginNamespace ("Flag")
1263                 .addConst ("AudioTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::AudioTrack))
1264                 .addConst ("MidiTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::MidiTrack))
1265                 .addConst ("AudioBus", ARDOUR::PresentationInfo::Flag(PresentationInfo::AudioBus))
1266                 .addConst ("MidiBus", ARDOUR::PresentationInfo::Flag(PresentationInfo::MidiBus))
1267                 .addConst ("VCA", ARDOUR::PresentationInfo::Flag(PresentationInfo::VCA))
1268                 .addConst ("MasterOut", ARDOUR::PresentationInfo::Flag(PresentationInfo::MasterOut))
1269                 .addConst ("MonitorOut", ARDOUR::PresentationInfo::Flag(PresentationInfo::MonitorOut))
1270                 .addConst ("Auditioner", ARDOUR::PresentationInfo::Flag(PresentationInfo::Auditioner))
1271                 .addConst ("Selected", ARDOUR::PresentationInfo::Flag(PresentationInfo::Selected))
1272                 .addConst ("Hidden", ARDOUR::PresentationInfo::Flag(PresentationInfo::Hidden))
1273                 .addConst ("GroupOrderSet", ARDOUR::PresentationInfo::Flag(PresentationInfo::OrderSet))
1274                 .addConst ("StatusMask", ARDOUR::PresentationInfo::Flag(PresentationInfo::StatusMask))
1275                 .endNamespace ()
1276                 .endNamespace ()
1277
1278                 .beginNamespace ("AutoStyle")
1279                 .addConst ("Absolute", ARDOUR::AutoStyle(Absolute))
1280                 .addConst ("Trim", ARDOUR::AutoStyle(Trim))
1281                 .endNamespace ()
1282
1283                 .beginNamespace ("AutoState")
1284                 .addConst ("Off", ARDOUR::AutoState(Off))
1285                 .addConst ("Write", ARDOUR::AutoState(Write))
1286                 .addConst ("Touch", ARDOUR::AutoState(Touch))
1287                 .addConst ("Play", ARDOUR::AutoState(Play))
1288                 .endNamespace ()
1289
1290                 .beginNamespace ("AutomationType")
1291                 .addConst ("GainAutomation", ARDOUR::AutomationType(GainAutomation))
1292                 .addConst ("PluginAutomation", ARDOUR::AutomationType(PluginAutomation))
1293                 .addConst ("SoloAutomation", ARDOUR::AutomationType(SoloAutomation))
1294                 .addConst ("SoloIsolateAutomation", ARDOUR::AutomationType(SoloIsolateAutomation))
1295                 .addConst ("SoloSafeAutomation", ARDOUR::AutomationType(SoloSafeAutomation))
1296                 .addConst ("MuteAutomation", ARDOUR::AutomationType(MuteAutomation))
1297                 .addConst ("RecEnableAutomation", ARDOUR::AutomationType(RecEnableAutomation))
1298                 .addConst ("RecSafeAutomation", ARDOUR::AutomationType(RecSafeAutomation))
1299                 .addConst ("TrimAutomation", ARDOUR::AutomationType(TrimAutomation))
1300                 .addConst ("PhaseAutomation", ARDOUR::AutomationType(PhaseAutomation))
1301                 .endNamespace ()
1302
1303                 .beginNamespace ("SrcQuality")
1304                 .addConst ("SrcBest", ARDOUR::SrcQuality(SrcBest))
1305                 .endNamespace ()
1306
1307                 .beginNamespace ("MeterType")
1308                 .addConst ("MeterMaxSignal", ARDOUR::MeterType(MeterMaxSignal))
1309                 .addConst ("MeterMaxPeak", ARDOUR::MeterType(MeterMaxPeak))
1310                 .addConst ("MeterPeak", ARDOUR::MeterType(MeterPeak))
1311                 .addConst ("MeterKrms", ARDOUR::MeterType(MeterKrms))
1312                 .addConst ("MeterK20", ARDOUR::MeterType(MeterK20))
1313                 .addConst ("MeterK14", ARDOUR::MeterType(MeterK14))
1314                 .addConst ("MeterIEC1DIN", ARDOUR::MeterType(MeterIEC1DIN))
1315                 .addConst ("MeterIEC1NOR", ARDOUR::MeterType(MeterIEC1NOR))
1316                 .addConst ("MeterIEC2BBC", ARDOUR::MeterType(MeterIEC2BBC))
1317                 .addConst ("MeterIEC2EBU", ARDOUR::MeterType(MeterIEC2EBU))
1318                 .addConst ("MeterVU", ARDOUR::MeterType(MeterVU))
1319                 .addConst ("MeterK12", ARDOUR::MeterType(MeterK12))
1320                 .addConst ("MeterPeak0dB", ARDOUR::MeterType(MeterPeak0dB))
1321                 .addConst ("MeterMCP", ARDOUR::MeterType(MeterMCP))
1322                 .endNamespace ()
1323
1324                 .beginNamespace ("MeterPoint")
1325                 .addConst ("MeterInput", ARDOUR::MeterPoint(MeterInput))
1326                 .addConst ("MeterPreFader", ARDOUR::MeterPoint(MeterPreFader))
1327                 .addConst ("MeterPostFader", ARDOUR::MeterPoint(MeterPostFader))
1328                 .addConst ("MeterOutput", ARDOUR::MeterPoint(MeterOutput))
1329                 .addConst ("MeterCustom", ARDOUR::MeterPoint(MeterCustom))
1330                 .endNamespace ()
1331
1332                 .beginNamespace ("PortFlags")
1333                 .addConst ("IsInput", ARDOUR::PortFlags(IsInput))
1334                 .addConst ("IsOutput", ARDOUR::PortFlags(IsOutput))
1335                 .addConst ("IsPhysical", ARDOUR::PortFlags(IsPhysical))
1336                 .addConst ("CanMonitor", ARDOUR::PortFlags(CanMonitor))
1337                 .addConst ("IsTerminal", ARDOUR::PortFlags(IsTerminal))
1338                 .endNamespace ()
1339
1340                 .beginNamespace ("PlaylistDisposition")
1341                 .addConst ("CopyPlaylist", ARDOUR::PlaylistDisposition(CopyPlaylist))
1342                 .addConst ("NewPlaylist", ARDOUR::PlaylistDisposition(NewPlaylist))
1343                 .addConst ("SharePlaylist", ARDOUR::PlaylistDisposition(SharePlaylist))
1344                 .endNamespace ()
1345
1346                 .beginNamespace ("RegionPoint")
1347                 .addConst ("Start", ARDOUR::RegionPoint(Start))
1348                 .addConst ("End", ARDOUR::RegionPoint(End))
1349                 .addConst ("SyncPoint", ARDOUR::RegionPoint(SyncPoint))
1350                 .endNamespace ()
1351
1352                 .beginNamespace ("TempoSection")
1353                 .beginNamespace ("PositionLockStyle")
1354                 .addConst ("AudioTime", ARDOUR::PositionLockStyle(AudioTime))
1355                 .addConst ("MusicTime", ARDOUR::PositionLockStyle(MusicTime))
1356                 .endNamespace ()
1357                 .endNamespace ()
1358
1359                 .beginNamespace ("TempoSection")
1360                 .beginNamespace ("Type")
1361                 .addConst ("Ramp", ARDOUR::TempoSection::Type(TempoSection::Ramp))
1362                 .addConst ("Constant", ARDOUR::TempoSection::Type(TempoSection::Constant))
1363                 .endNamespace ()
1364                 .endNamespace ()
1365
1366                 .beginNamespace ("TrackMode")
1367                 .addConst ("Normal", ARDOUR::TrackMode(Start))
1368                 .addConst ("NonLayered", ARDOUR::TrackMode(NonLayered))
1369                 .addConst ("Destructive", ARDOUR::TrackMode(Destructive))
1370                 .endNamespace ()
1371
1372                 .beginNamespace ("SampleFormat")
1373                 .addConst ("Float", ARDOUR::SampleFormat(FormatFloat))
1374                 .addConst ("Int24", ARDOUR::SampleFormat(FormatInt24))
1375                 .addConst ("Int16", ARDOUR::SampleFormat(FormatInt16))
1376                 .endNamespace ()
1377
1378                 .beginNamespace ("HeaderFormat")
1379                 .addConst ("BWF", ARDOUR::HeaderFormat(BWF))
1380                 .addConst ("WAVE", ARDOUR::HeaderFormat(WAVE))
1381                 .addConst ("WAVE64", ARDOUR::HeaderFormat(WAVE64))
1382                 .addConst ("CAF", ARDOUR::HeaderFormat(CAF))
1383                 .addConst ("AIFF", ARDOUR::HeaderFormat(AIFF))
1384                 .addConst ("iXML", ARDOUR::HeaderFormat(iXML))
1385                 .addConst ("RF64", ARDOUR::HeaderFormat(RF64))
1386                 .addConst ("RF64_WAV", ARDOUR::HeaderFormat(RF64_WAV))
1387                 .addConst ("MBWF", ARDOUR::HeaderFormat(MBWF))
1388                 .endNamespace ()
1389
1390                 .beginNamespace ("InsertMergePolicy")
1391                 .addConst ("Reject", ARDOUR::InsertMergePolicy(InsertMergeReject))
1392                 .addConst ("Relax", ARDOUR::InsertMergePolicy(InsertMergeRelax))
1393                 .addConst ("Replace", ARDOUR::InsertMergePolicy(InsertMergeReplace))
1394                 .addConst ("TruncateExisting", ARDOUR::InsertMergePolicy(InsertMergeTruncateExisting))
1395                 .addConst ("TruncateAddition", ARDOUR::InsertMergePolicy(InsertMergeTruncateAddition))
1396                 .addConst ("Extend", ARDOUR::InsertMergePolicy(InsertMergeExtend))
1397                 .endNamespace ()
1398
1399                 .endNamespace (); // end ARDOUR
1400
1401         luabridge::getGlobalNamespace (L)
1402                 .beginNamespace ("ARDOUR")
1403                 .beginClass <AudioBackendInfo> ("AudioBackendInfo")
1404                 .addData ("name", &AudioBackendInfo::name)
1405                 .endClass()
1406                 .beginStdVector <const AudioBackendInfo*> ("BackendVector").endClass ()
1407
1408                 .beginClass <AudioBackend::DeviceStatus> ("DeviceStatus")
1409                 .addData ("name", &AudioBackend::DeviceStatus::name)
1410                 .addData ("available", &AudioBackend::DeviceStatus::available)
1411                 .endClass()
1412                 .beginStdVector <AudioBackend::DeviceStatus> ("DeviceStatusVector").endClass ()
1413
1414                 .beginWSPtrClass <AudioBackend> ("AudioBackend")
1415                 .addFunction ("info", &AudioBackend::info)
1416                 .addFunction ("sample_rate", &AudioBackend::sample_rate)
1417                 .addFunction ("buffer_size", &AudioBackend::buffer_size)
1418                 .addFunction ("period_size", &AudioBackend::period_size)
1419                 .addFunction ("input_channels", &AudioBackend::input_channels)
1420                 .addFunction ("output_channels", &AudioBackend::output_channels)
1421                 .addFunction ("dsp_load", &AudioBackend::dsp_load)
1422
1423                 .addFunction ("set_sample_rate", &AudioBackend::set_sample_rate)
1424                 .addFunction ("set_buffer_size", &AudioBackend::set_buffer_size)
1425                 .addFunction ("set_peridod_size", &AudioBackend::set_peridod_size)
1426
1427                 .addFunction ("enumerate_drivers", &AudioBackend::enumerate_drivers)
1428                 .addFunction ("driver_name", &AudioBackend::driver_name)
1429                 .addFunction ("set_driver", &AudioBackend::set_driver)
1430
1431                 .addFunction ("use_separate_input_and_output_devices", &AudioBackend::use_separate_input_and_output_devices)
1432                 .addFunction ("enumerate_devices", &AudioBackend::enumerate_devices)
1433                 .addFunction ("enumerate_input_devices", &AudioBackend::enumerate_input_devices)
1434                 .addFunction ("enumerate_output_devices", &AudioBackend::enumerate_output_devices)
1435                 .addFunction ("device_name", &AudioBackend::device_name)
1436                 .addFunction ("input_device_name", &AudioBackend::input_device_name)
1437                 .addFunction ("output_device_name", &AudioBackend::output_device_name)
1438                 .addFunction ("set_device_name", &AudioBackend::set_device_name)
1439                 .addFunction ("set_input_device_name", &AudioBackend::set_input_device_name)
1440                 .addFunction ("set_output_device_name", &AudioBackend::set_output_device_name)
1441                 .endClass()
1442
1443                 .beginClass <PortEngine> ("PortEngine")
1444                 .endClass()
1445
1446                 .beginClass <PortManager> ("PortManager")
1447                 .addFunction ("port_engine", &PortManager::port_engine)
1448                 .addFunction ("connected", &PortManager::connected)
1449                 .addFunction ("connect", &PortManager::connect)
1450                 .addFunction ("physically_connected", &PortManager::physically_connected)
1451                 .addFunction ("disconnect", (int (PortManager::*)(const std::string&, const std::string&))&PortManager::disconnect)
1452                 .addFunction ("disconnect_port", (int (PortManager::*)(boost::shared_ptr<Port>))&PortManager::disconnect)
1453                 .addFunction ("get_port_by_name", &PortManager::get_port_by_name)
1454                 .addFunction ("get_pretty_name_by_name", &PortManager::get_pretty_name_by_name)
1455                 .addFunction ("port_is_physical", &PortManager::port_is_physical)
1456                 .addFunction ("get_physical_outputs", &PortManager::get_physical_outputs)
1457                 .addFunction ("get_physical_inputs", &PortManager::get_physical_inputs)
1458                 .addFunction ("n_physical_outputs", &PortManager::n_physical_outputs)
1459                 .addFunction ("n_physical_inputs", &PortManager::n_physical_inputs)
1460                 .addRefFunction ("get_connections", &PortManager::get_connections)
1461                 .addRefFunction ("get_ports", (int (PortManager::*)(DataType, PortManager::PortList&))&PortManager::get_ports)
1462                 .addRefFunction ("get_backend_ports", (int (PortManager::*)(const std::string&, DataType, PortFlags, std::vector<std::string>&))&PortManager::get_ports)
1463                 .endClass()
1464
1465                 .deriveClass <AudioEngine, PortManager> ("AudioEngine")
1466                 .addFunction ("available_backends", &AudioEngine::available_backends)
1467                 .addFunction ("current_backend_name", &AudioEngine::current_backend_name)
1468                 .addFunction ("set_backend", &AudioEngine::set_backend)
1469                 .addFunction ("setup_required", &AudioEngine::setup_required)
1470                 .addFunction ("start", &AudioEngine::start)
1471                 .addFunction ("stop", &AudioEngine::stop)
1472                 .addFunction ("get_dsp_load", &AudioEngine::get_dsp_load)
1473                 .addFunction ("set_device_name", &AudioEngine::set_device_name)
1474                 .addFunction ("set_sample_rate", &AudioEngine::set_sample_rate)
1475                 .addFunction ("set_buffer_size", &AudioEngine::set_buffer_size)
1476                 .addFunction ("get_last_backend_error", &AudioEngine::get_last_backend_error)
1477                 .endClass()
1478
1479                 .deriveClass <SessionConfiguration, PBD::Configuration> ("SessionConfiguration")
1480 #undef  CONFIG_VARIABLE
1481 #undef  CONFIG_VARIABLE_SPECIAL
1482 #define CONFIG_VARIABLE(Type,var,name,value) \
1483                 .addFunction ("get_" # var, &SessionConfiguration::get_##var) \
1484                 .addFunction ("set_" # var, &SessionConfiguration::set_##var) \
1485                 .addProperty (#var, &SessionConfiguration::get_##var, &SessionConfiguration::set_##var)
1486
1487 #define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) \
1488                 .addFunction ("get_" # var, &SessionConfiguration::get_##var) \
1489                 .addFunction ("set_" # var, &SessionConfiguration::set_##var) \
1490                 .addProperty (#var, &SessionConfiguration::get_##var, &SessionConfiguration::set_##var)
1491
1492 #include "ardour/session_configuration_vars.h"
1493
1494 #undef CONFIG_VARIABLE
1495 #undef CONFIG_VARIABLE_SPECIAL
1496                 .endClass()
1497                 .endNamespace ();
1498
1499         // basic representation of Session
1500         // functions which can be used from realtime and non-realtime contexts
1501         luabridge::getGlobalNamespace (L)
1502                 .beginNamespace ("ARDOUR")
1503                 .beginClass <Session> ("Session")
1504                 .addFunction ("scripts_changed", &Session::scripts_changed) // used internally
1505                 .addFunction ("transport_rolling", &Session::transport_rolling)
1506                 .addFunction ("request_transport_speed", &Session::request_transport_speed)
1507                 .addFunction ("transport_frame", &Session::transport_frame)
1508                 .addFunction ("transport_speed", &Session::transport_speed)
1509                 .addFunction ("frame_rate", &Session::frame_rate)
1510                 .addFunction ("nominal_frame_rate", &Session::nominal_frame_rate)
1511                 .addFunction ("frames_per_timecode_frame", &Session::frames_per_timecode_frame)
1512                 .addFunction ("timecode_frames_per_hour", &Session::timecode_frames_per_hour)
1513                 .addFunction ("timecode_frames_per_second", &Session::timecode_frames_per_second)
1514                 .addFunction ("timecode_drop_frames", &Session::timecode_drop_frames)
1515                 .addFunction ("request_locate", &Session::request_locate)
1516                 .addFunction ("request_stop", &Session::request_stop)
1517                 .addFunction ("request_play_loop", &Session::request_play_loop)
1518                 .addFunction ("get_play_loop", &Session::get_play_loop)
1519                 .addFunction ("last_transport_start", &Session::last_transport_start)
1520                 .addFunction ("goto_start", &Session::goto_start)
1521                 .addFunction ("goto_end", &Session::goto_end)
1522                 .addFunction ("current_start_frame", &Session::current_start_frame)
1523                 .addFunction ("current_end_frame", &Session::current_end_frame)
1524                 .addFunction ("actively_recording", &Session::actively_recording)
1525                 .addFunction ("new_audio_track", &Session::new_audio_track)
1526                 .addFunction ("new_audio_route", &Session::new_audio_route)
1527                 .addFunction ("new_midi_track", &Session::new_midi_track)
1528                 .addFunction ("new_midi_route", &Session::new_midi_route)
1529                 .addFunction ("get_routes", &Session::get_routes)
1530                 .addFunction ("get_tracks", &Session::get_tracks)
1531                 .addFunction ("name", &Session::name)
1532                 .addFunction ("path", &Session::path)
1533                 .addFunction ("record_status", &Session::record_status)
1534                 .addFunction ("maybe_enable_record", &Session::maybe_enable_record)
1535                 .addFunction ("disable_record", &Session::disable_record)
1536                 .addFunction ("route_by_id", &Session::route_by_id)
1537                 .addFunction ("route_by_name", &Session::route_by_name)
1538                 .addFunction ("get_remote_nth_stripable", &Session::get_remote_nth_stripable)
1539                 .addFunction ("get_remote_nth_route", &Session::get_remote_nth_route)
1540                 .addFunction ("route_by_selected_count", &Session::route_by_selected_count)
1541                 .addFunction ("track_by_diskstream_id", &Session::track_by_diskstream_id)
1542                 .addFunction ("source_by_id", &Session::source_by_id)
1543                 .addFunction ("controllable_by_id", &Session::controllable_by_id)
1544                 .addFunction ("processor_by_id", &Session::processor_by_id)
1545                 .addFunction ("snap_name", &Session::snap_name)
1546                 .addFunction ("monitor_out", &Session::monitor_out)
1547                 .addFunction ("master_out", &Session::master_out)
1548                 .addFunction ("tempo_map", (TempoMap& (Session::*)())&Session::tempo_map)
1549                 .addFunction ("locations", &Session::locations)
1550                 .addFunction ("begin_reversible_command", (void (Session::*)(const std::string&))&Session::begin_reversible_command)
1551                 .addFunction ("commit_reversible_command", &Session::commit_reversible_command)
1552                 .addFunction ("abort_reversible_command", &Session::abort_reversible_command)
1553                 .addFunction ("add_command", &Session::add_command)
1554                 .addFunction ("add_stateful_diff_command", &Session::add_stateful_diff_command)
1555                 .addFunction ("engine", (AudioEngine& (Session::*)())&Session::engine)
1556                 .addFunction ("get_block_size", &Session::get_block_size)
1557                 .addFunction ("worst_output_latency", &Session::worst_output_latency)
1558                 .addFunction ("worst_input_latency", &Session::worst_input_latency)
1559                 .addFunction ("worst_track_latency", &Session::worst_track_latency)
1560                 .addFunction ("worst_playback_latency", &Session::worst_playback_latency)
1561                 .addFunction ("cfg", &Session::cfg)
1562                 .endClass ()
1563
1564                 .beginClass <RegionFactory> ("RegionFactory")
1565                 .addStaticFunction ("region_by_id", &RegionFactory::region_by_id)
1566                 .endClass ()
1567
1568                 /* session enums (rt-safe, common) */
1569                 .beginNamespace ("Session")
1570
1571                 .beginNamespace ("RecordState")
1572                 .addConst ("Disabled", ARDOUR::Session::RecordState(Session::Disabled))
1573                 .addConst ("Enabled", ARDOUR::Session::RecordState(Session::Enabled))
1574                 .addConst ("Recording", ARDOUR::Session::RecordState(Session::Recording))
1575                 .endNamespace ()
1576
1577                 .endNamespace () // end Session enums
1578
1579                 /* ardour enums (rt-safe, common) */
1580                 .beginNamespace ("LocationFlags")
1581                 .addConst ("IsMark", ARDOUR::Location::Flags(Location::IsMark))
1582                 .addConst ("IsAutoPunch", ARDOUR::Location::Flags(Location::IsAutoPunch))
1583                 .addConst ("IsAutoLoop", ARDOUR::Location::Flags(Location::IsAutoLoop))
1584                 .addConst ("IsHidden", ARDOUR::Location::Flags(Location::IsHidden))
1585                 .addConst ("IsCDMarker", ARDOUR::Location::Flags(Location::IsCDMarker))
1586                 .addConst ("IsRangeMarker", ARDOUR::Location::Flags(Location::IsRangeMarker))
1587                 .addConst ("IsSessionRange", ARDOUR::Location::Flags(Location::IsSessionRange))
1588                 .addConst ("IsSkip", ARDOUR::Location::Flags(Location::IsSkip))
1589                 .addConst ("IsSkipping", ARDOUR::Location::Flags(Location::IsSkipping))
1590                 .endNamespace ()
1591
1592                 .beginNamespace ("LuaAPI")
1593                 .addFunction ("nil_proc", ARDOUR::LuaAPI::nil_processor)
1594                 .addFunction ("new_luaproc", ARDOUR::LuaAPI::new_luaproc)
1595                 .addFunction ("new_plugin_info", ARDOUR::LuaAPI::new_plugin_info)
1596                 .addFunction ("new_plugin", ARDOUR::LuaAPI::new_plugin)
1597                 .addFunction ("set_processor_param", ARDOUR::LuaAPI::set_processor_param)
1598                 .addFunction ("set_plugin_insert_param", ARDOUR::LuaAPI::set_plugin_insert_param)
1599                 .addRefFunction ("get_processor_param", ARDOUR::LuaAPI::get_processor_param)
1600                 .addRefFunction ("get_plugin_insert_param", ARDOUR::LuaAPI::get_plugin_insert_param)
1601                 .addCFunction ("plugin_automation", ARDOUR::LuaAPI::plugin_automation)
1602                 .addCFunction ("hsla_to_rgba", ARDOUR::LuaAPI::hsla_to_rgba)
1603                 .addFunction ("usleep", Glib::usleep)
1604                 .addCFunction ("build_filename", ARDOUR::LuaAPI::build_filename)
1605
1606                 .beginClass <ARDOUR::LuaAPI::Vamp> ("Vamp")
1607                 .addConstructor <void (*) (const std::string&, float)> ()
1608                 .addFunction ("plugin", &ARDOUR::LuaAPI::Vamp::plugin)
1609                 .addFunction ("analyze", &ARDOUR::LuaAPI::Vamp::analyze)
1610                 .addFunction ("reset", &ARDOUR::LuaAPI::Vamp::reset)
1611                 .addFunction ("initialize", &ARDOUR::LuaAPI::Vamp::initialize)
1612                 .endClass ()
1613
1614                 .endNamespace () // end LuaAPI
1615                 .endNamespace ();// end ARDOUR
1616 }
1617
1618 void
1619 LuaBindings::dsp (lua_State* L)
1620 {
1621         luabridge::getGlobalNamespace (L)
1622                 .beginNamespace ("ARDOUR")
1623
1624                 .beginClass <AudioBuffer> ("AudioBuffer")
1625                 .addEqualCheck ()
1626                 .addFunction ("data", (Sample*(AudioBuffer::*)(framecnt_t))&AudioBuffer::data)
1627                 .addFunction ("silence", &AudioBuffer::silence)
1628                 .addFunction ("apply_gain", &AudioBuffer::apply_gain)
1629                 .addFunction ("check_silence", &AudioBuffer::check_silence)
1630                 .addFunction ("read_from", (void (AudioBuffer::*)(const Sample*, framecnt_t, framecnt_t, framecnt_t))&AudioBuffer::check_silence)
1631                 .endClass()
1632
1633                 .beginClass <MidiBuffer> ("MidiBuffer")
1634                 .addEqualCheck ()
1635                 .addFunction ("silence", &MidiBuffer::silence)
1636                 .addFunction ("size", &MidiBuffer::size)
1637                 .addFunction ("empty", &MidiBuffer::empty)
1638                 .addFunction ("resize", &MidiBuffer::resize)
1639                 .addFunction ("copy", (void (MidiBuffer::*)(MidiBuffer const * const))&MidiBuffer::copy)
1640                 .addFunction ("push_event", (bool (MidiBuffer::*)(const Evoral::MIDIEvent<framepos_t>&))&MidiBuffer::push_back)
1641                 .addFunction ("push_back", (bool (MidiBuffer::*)(framepos_t, size_t, const uint8_t*))&MidiBuffer::push_back)
1642                 // TODO iterators..
1643                 .addExtCFunction ("table", &luabridge::CFunc::listToTable<const Evoral::MIDIEvent<framepos_t>, MidiBuffer>)
1644                 .endClass()
1645
1646                 .beginClass <BufferSet> ("BufferSet")
1647                 .addEqualCheck ()
1648                 .addFunction ("get_audio", static_cast<AudioBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_audio))
1649                 .addFunction ("get_midi", static_cast<MidiBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_midi))
1650                 .addFunction ("count", static_cast<const ChanCount&(BufferSet::*)()const>(&BufferSet::count))
1651                 .endClass()
1652                 .endNamespace ();
1653
1654         luabridge::getGlobalNamespace (L)
1655                 .beginNamespace ("Evoral")
1656                 .beginClass <Evoral::Event<framepos_t> > ("Event")
1657                 .addFunction ("clear", &Evoral::Event<framepos_t>::clear)
1658                 .addFunction ("size", &Evoral::Event<framepos_t>::size)
1659                 .addFunction ("set_buffer", &Evoral::Event<framepos_t>::set_buffer)
1660                 .addFunction ("buffer", (uint8_t*(Evoral::Event<framepos_t>::*)())&Evoral::Event<framepos_t>::buffer)
1661                 .addFunction ("time", (framepos_t (Evoral::Event<framepos_t>::*)())&Evoral::MIDIEvent<framepos_t>::time)
1662                 .endClass ()
1663
1664                 .beginClass <Evoral::Beats> ("Beats")
1665                 .addFunction ("to_double", &Evoral::Beats::to_double)
1666                 .endClass ()
1667
1668                 .deriveClass <Evoral::MIDIEvent<framepos_t>, Evoral::Event<framepos_t> > ("MidiEvent")
1669                 // add Ctor?
1670                 .addFunction ("type", &Evoral::MIDIEvent<framepos_t>::type)
1671                 .addFunction ("channel", &Evoral::MIDIEvent<framepos_t>::channel)
1672                 .addFunction ("set_type", &Evoral::MIDIEvent<framepos_t>::set_type)
1673                 .addFunction ("set_channel", &Evoral::MIDIEvent<framepos_t>::set_channel)
1674                 .endClass ()
1675                 .endNamespace ();
1676
1677         // dsp releated session functions
1678         luabridge::getGlobalNamespace (L)
1679                 .beginNamespace ("ARDOUR")
1680                 .beginClass <Session> ("Session")
1681                 .addFunction ("get_scratch_buffers", &Session::get_scratch_buffers)
1682                 .addFunction ("get_silent_buffers", &Session::get_silent_buffers)
1683                 .endClass ()
1684                 .endNamespace ();
1685
1686         luabridge::getGlobalNamespace (L)
1687                 .beginNamespace ("ARDOUR")
1688                 .beginClass <FluidSynth> ("FluidSynth")
1689                 .addConstructor <void (*) (float, int)> ()
1690                 .addFunction ("load_sf2", &FluidSynth::load_sf2)
1691                 .addFunction ("synth", &FluidSynth::synth)
1692                 .addFunction ("midi_event", &FluidSynth::midi_event)
1693                 .addFunction ("panic", &FluidSynth::panic)
1694                 .addFunction ("select_program", &FluidSynth::select_program)
1695                 .addFunction ("program_count", &FluidSynth::program_count)
1696                 .addFunction ("program_name", &FluidSynth::program_name)
1697                 .endClass ()
1698                 .endNamespace ();
1699
1700         luabridge::getGlobalNamespace (L)
1701                 .beginNamespace ("ARDOUR")
1702                 .beginNamespace ("DSP")
1703                 .addFunction ("compute_peak", ARDOUR::compute_peak)
1704                 .addFunction ("find_peaks", ARDOUR::find_peaks)
1705                 .addFunction ("apply_gain_to_buffer", ARDOUR::apply_gain_to_buffer)
1706                 .addFunction ("mix_buffers_no_gain", ARDOUR::mix_buffers_no_gain)
1707                 .addFunction ("mix_buffers_with_gain", ARDOUR::mix_buffers_with_gain)
1708                 .addFunction ("copy_vector", ARDOUR::copy_vector)
1709                 .addFunction ("dB_to_coefficient", &dB_to_coefficient)
1710                 .addFunction ("fast_coefficient_to_dB", &fast_coefficient_to_dB)
1711                 .addFunction ("accurate_coefficient_to_dB", &accurate_coefficient_to_dB)
1712                 .addFunction ("memset", &DSP::memset)
1713                 .addFunction ("mmult", &DSP::mmult)
1714                 .addFunction ("log_meter", &DSP::log_meter)
1715                 .addFunction ("log_meter_coeff", &DSP::log_meter_coeff)
1716                 .addFunction ("process_map", &DSP::process_map)
1717                 .addRefFunction ("peaks", &DSP::peaks)
1718
1719                 .beginClass <DSP::LowPass> ("LowPass")
1720                 .addConstructor <void (*) (double, float)> ()
1721                 .addFunction ("proc", &DSP::LowPass::proc)
1722                 .addFunction ("ctrl", &DSP::LowPass::ctrl)
1723                 .addFunction ("set_cutoff", &DSP::LowPass::set_cutoff)
1724                 .addFunction ("reset", &DSP::LowPass::reset)
1725                 .endClass ()
1726                 .beginClass <DSP::Biquad> ("Biquad")
1727                 .addConstructor <void (*) (double)> ()
1728                 .addFunction ("run", &DSP::Biquad::run)
1729                 .addFunction ("compute", &DSP::Biquad::compute)
1730                 .addFunction ("configure", &DSP::Biquad::configure)
1731                 .addFunction ("reset", &DSP::Biquad::reset)
1732                 .addFunction ("dB_at_freq", &DSP::Biquad::dB_at_freq)
1733                 .endClass ()
1734                 .beginClass <DSP::FFTSpectrum> ("FFTSpectrum")
1735                 .addConstructor <void (*) (uint32_t, double)> ()
1736                 .addFunction ("set_data_hann", &DSP::FFTSpectrum::set_data_hann)
1737                 .addFunction ("execute", &DSP::FFTSpectrum::execute)
1738                 .addFunction ("power_at_bin", &DSP::FFTSpectrum::power_at_bin)
1739                 .addFunction ("freq_at_bin", &DSP::FFTSpectrum::freq_at_bin)
1740                 .endClass ()
1741
1742                 /* DSP enums */
1743                 .beginNamespace ("BiquadType")
1744                 .addConst ("LowPass", ARDOUR::DSP::Biquad::LowPass)
1745                 .addConst ("HighPass", ARDOUR::DSP::Biquad::HighPass)
1746                 .addConst ("BandPassSkirt", ARDOUR::DSP::Biquad::BandPassSkirt)
1747                 .addConst ("BandPass0dB", ARDOUR::DSP::Biquad::BandPass0dB)
1748                 .addConst ("Notch", ARDOUR::DSP::Biquad::Notch)
1749                 .addConst ("AllPass", ARDOUR::DSP::Biquad::AllPass)
1750                 .addConst ("Peaking", ARDOUR::DSP::Biquad::Peaking)
1751                 .addConst ("LowShelf", ARDOUR::DSP::Biquad::LowShelf)
1752                 .addConst ("HighShelf", ARDOUR::DSP::Biquad::HighShelf)
1753                 .endNamespace ()
1754
1755                 .beginClass <DSP::DspShm> ("DspShm")
1756                 .addConstructor<void (*) (size_t)> ()
1757                 .addFunction ("allocate", &DSP::DspShm::allocate)
1758                 .addFunction ("clear", &DSP::DspShm::clear)
1759                 .addFunction ("to_float", &DSP::DspShm::to_float)
1760                 .addFunction ("to_int", &DSP::DspShm::to_int)
1761                 .addFunction ("atomic_set_int", &DSP::DspShm::atomic_set_int)
1762                 .addFunction ("atomic_get_int", &DSP::DspShm::atomic_get_int)
1763                 .endClass ()
1764
1765                 .endNamespace () // DSP
1766
1767                 .beginClass <LuaTableRef> ("LuaTableRef")
1768                 .addCFunction ("get", &LuaTableRef::get)
1769                 .addCFunction ("set", &LuaTableRef::set)
1770                 .endClass ()
1771
1772                 .endNamespace (); // ARDOUR
1773 }
1774
1775 void
1776 LuaBindings::session (lua_State* L)
1777 {
1778         // non-realtime session functions
1779         luabridge::getGlobalNamespace (L)
1780                 .beginNamespace ("ARDOUR")
1781                 .beginClass <Session> ("Session")
1782                 .addFunction ("save_state", &Session::save_state)
1783                 .addFunction ("set_dirty", &Session::set_dirty)
1784                 .addFunction ("unknown_processors", &Session::unknown_processors)
1785
1786                 .addFunction<RouteList (Session::*)(uint32_t, PresentationInfo::order_t, const std::string&, const std::string&, PlaylistDisposition)> ("new_route_from_template", &Session::new_route_from_template)
1787                 // TODO  session_add_audio_track  session_add_midi_track  session_add_mixed_track
1788                 //.addFunction ("new_midi_track", &Session::new_midi_track)
1789                 .endClass ()
1790
1791                 .endNamespace (); // ARDOUR
1792 }
1793
1794 void
1795 LuaBindings::osc (lua_State* L)
1796 {
1797         luabridge::getGlobalNamespace (L)
1798                 .beginNamespace ("ARDOUR")
1799                 .beginNamespace ("LuaOSC")
1800                 .beginClass<LuaOSC::Address> ("Address")
1801                 .addConstructor<void (*) (std::string)> ()
1802                 .addCFunction ("send", &LuaOSC::Address::send)
1803                 .endClass ()
1804                 .endNamespace ()
1805                 .endNamespace ();
1806 }
1807
1808 void
1809 LuaBindings::set_session (lua_State* L, Session *s)
1810 {
1811         /* LuaBridge uses unique keys to identify classes/c-types.
1812          *
1813          * Those keys are "generated" by using the memory-address of a static
1814          * variable, templated for every Class.
1815          * (see libs/lua/LuaBridge/detail/ClassInfo.h)
1816          *
1817          * When linking the final executable there must be exactly one static
1818          * function (static variable) for every templated class.
1819          * This works fine on OSX and Linux...
1820          *
1821          * Windows (mingw and MSVC) however expand the template differently for libardour
1822          * AND gtk2_ardour. We end up with two identical static functions
1823          * at different addresses!!
1824          *
1825          * The Solution: have gtk2_ardour never include LuaBridge headers directly
1826          * and always go via libardour function calls for classes that are registered
1827          * in libardour. (calling lua itself is fine,  calling c-functions in the GUI
1828          * which expand the template is not)
1829          *
1830          * (the actual cause: even static symbols in a .dll have no fixed address
1831          * and are mapped when loading the dll. static functions in .exe do have a fixed
1832          * address)
1833          *
1834          * libardour:
1835          *  0000000000000000 I __imp__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1836          *  0000000000000000 I __nm__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1837          *  0000000000000000 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
1838          *
1839          * ardour.exe
1840          *  000000000104f560 d .data$_ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1841          *  000000000104f560 D _ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
1842          *  0000000000e9baf0 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
1843          *
1844          *
1845          */
1846         luabridge::push <Session *> (L, s);
1847         lua_setglobal (L, "Session");
1848
1849         if (s) {
1850                 // call lua function.
1851                 luabridge::LuaRef cb_ses = luabridge::getGlobal (L, "new_session");
1852                 if (cb_ses.type() == LUA_TFUNCTION) { cb_ses(s->name()); } // TODO args
1853         }
1854 }