2 Copyright (C) 2016 Robin Gareus <robin@gareus.org>
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)
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
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.
19 #include "timecode/bbt_time.h"
20 #include "evoral/Control.hpp"
21 #include "evoral/ControlList.hpp"
23 #include "ardour/audioengine.h"
24 #include "ardour/audiosource.h"
25 #include "ardour/audio_backend.h"
26 #include "ardour/audio_buffer.h"
27 #include "ardour/audio_track.h"
28 #include "ardour/buffer_set.h"
29 #include "ardour/chan_mapping.h"
30 #include "ardour/dB.h"
31 #include "ardour/dsp_filter.h"
32 #include "ardour/luabindings.h"
33 #include "ardour/meter.h"
34 #include "ardour/midi_track.h"
35 #include "ardour/plugin.h"
36 #include "ardour/plugin_insert.h"
37 #include "ardour/runtime_functions.h"
38 #include "ardour/region.h"
39 #include "ardour/region_factory.h"
40 #include "ardour/session.h"
41 #include "ardour/session_object.h"
42 #include "ardour/tempo.h"
44 #include "LuaBridge/LuaBridge.h"
46 /* Some notes on Lua bindings for libardour and friends
48 * - Prefer factory methods over Contructors whenever possible.
49 * Don't expose the constructor method unless required.
51 * e.g. Don't allow the script to construct a "Track" Object directly
52 * but do allow to create a "BBT_TIME" object.
54 * - Do not dereference Shared or Weak Pointers. Pass the pointer to Lua.
55 * - Define Objects as boost:shared_ptr Object whenever possible.
57 * Storing a boost::shared_ptr in a Lua-variable keeps the reference
58 * until that variable is set to 'nil'.
59 * (if the script were to keep a direct pointer to the object instance, the
60 * behaviour is undefined if the actual object goes away)
62 * Methods of the actual class are indirectly exposed,
63 * boost::*_ptr get() and ::lock() is implicit when the class is exported
64 * as LuaBridge's "WSPtrClass".
67 using namespace ARDOUR;
70 LuaBindings::stddef (lua_State* L)
72 // std::list<std::string>
73 luabridge::getGlobalNamespace (L)
74 .beginNamespace ("ARDOUR")
75 .beginStdList <std::string> ("StringList")
79 // std::vector<std::string>
80 luabridge::getGlobalNamespace (L)
81 .beginNamespace ("ARDOUR")
82 .beginStdVector <std::string> ("StringVector")
86 // register float array (float*)
87 luabridge::getGlobalNamespace (L)
88 .beginNamespace ("ARDOUR")
89 .registerArray <float> ("FloatArray")
96 LuaBindings::common (lua_State* L)
98 luabridge::getGlobalNamespace (L)
99 .beginNamespace ("PBD")
100 .beginClass <PBD::ID> ("ID")
101 .addConstructor <void (*) (std::string)> ()
102 .addFunction ("to_s", &PBD::ID::to_s) // TODO special case LUA __tostring ?
105 .beginWSPtrClass <PBD::Stateful> ("Stateful")
106 .addFunction ("properties", &PBD::Stateful::properties)
109 .deriveWSPtrClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructible")
112 .deriveWSPtrClass <PBD::Controllable, PBD::StatefulDestructible> ("Controllable")
113 .addFunction ("get_value", &PBD::Controllable::get_value)
116 .beginNamespace ("GroupControlDisposition")
117 .addConst ("InverseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::InverseGroup))
118 .addConst ("NoGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::NoGroup))
119 .addConst ("UseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::UseGroup))
124 luabridge::getGlobalNamespace (L)
125 .beginNamespace ("ARDOUR") // XXX really libtimecode
126 .beginClass <Timecode::BBT_Time> ("BBT_TIME")
127 .addConstructor <void (*) (uint32_t, uint32_t, uint32_t)> ()
131 luabridge::getGlobalNamespace (L)
132 .beginNamespace ("ARDOUR")
133 .beginWSPtrClass <PluginInfo> ("PluginInfo")
134 .addVoidConstructor ()
137 .beginNamespace ("Properties")
138 // templated class definitions
139 .beginClass <PBD::PropertyDescriptor<bool> > ("BoolProperty").endClass ()
140 .beginClass <PBD::PropertyDescriptor<float> > ("FloatProperty").endClass ()
141 .beginClass <PBD::PropertyDescriptor<framepos_t> > ("FrameposProperty").endClass ()
142 // actual references (TODO: also expose GQuark for std::set)
144 .addConst ("Start", &ARDOUR::Properties::start)
145 .addConst ("Length", &ARDOUR::Properties::length)
146 .addConst ("Position", &ARDOUR::Properties::position)
149 .beginClass <PBD::PropertyChange> ("PropertyChange")
150 // TODO add special handling (std::set<PropertyID>), PropertyID is a GQuark.
151 // -> direct map to lua table beginStdSet()A
153 // expand templated PropertyDescriptor<T>
154 .addFunction ("containsBool", &PBD::PropertyChange::contains<bool>)
155 .addFunction ("containsFloat", &PBD::PropertyChange::contains<float>)
156 .addFunction ("containsFramePos", &PBD::PropertyChange::contains<framepos_t>)
159 .beginClass <PBD::PropertyList> ("PropertyList")
160 // is-a std::map<PropertyID, PropertyBase*>
163 .deriveClass <PBD::OwnedPropertyList, PBD::PropertyList> ("OwnedPropertyList")
166 .deriveWSPtrClass <SessionObject, PBD::StatefulDestructible> ("SessionObject")
167 .addFunction ("name", &SessionObject::name)
170 .deriveWSPtrClass <Route, SessionObject> ("Route")
171 .addFunction ("set_name", &Route::set_name)
172 .addFunction ("comment", &Route::comment)
173 .addFunction ("active", &Route::active)
174 .addFunction ("set_active", &Route::set_active)
175 .addFunction ("nth_plugin", &Route::nth_plugin)
178 .deriveWSPtrClass <Track, Route> ("Track")
179 .addFunction ("set_name", &Track::set_name)
180 .addFunction ("can_record", &Track::can_record)
181 .addFunction ("record_enabled", &Track::record_enabled)
182 .addFunction ("record_safe", &Track::record_safe)
183 .addFunction ("set_record_enabled", &Track::set_record_enabled)
184 .addFunction ("set_record_safe", &Track::set_record_safe)
187 .deriveWSPtrClass <AudioTrack, Track> ("AudioTrack")
190 .deriveWSPtrClass <MidiTrack, Track> ("MidiTrack")
193 .deriveWSPtrClass <Region, SessionObject> ("Region")
196 .beginWSPtrClass <Source> ("Source")
199 .beginClass <Evoral::Parameter> ("EvoralParameter")
200 .addConstructor <void (*) (uint32_t, uint8_t, uint32_t)> ()
201 .addFunction ("type", &Evoral::Parameter::type)
202 .addFunction ("channel", &Evoral::Parameter::channel)
203 .addFunction ("id", &Evoral::Parameter::id)
206 .beginWSPtrClass <Evoral::ControlList> ("EvoralControlList")
207 .addFunction ("add", &Evoral::ControlList::add)
210 .beginWSPtrClass <Evoral::ControlSet> ("EvoralControlSet")
213 .deriveWSPtrClass <Automatable, Evoral::ControlSet> ("Automatable")
214 .addFunction ("automation_control", (boost::shared_ptr<AutomationControl>(Automatable::*)(const Evoral::Parameter&, bool))&Automatable::automation_control)
217 .beginWSPtrClass <Evoral::Control> ("EvoralControl")
218 .addFunction ("list", (boost::shared_ptr<Evoral::ControlList>(Evoral::Control::*)())&Evoral::Control::list)
221 .beginClass <Evoral::ParameterDescriptor> ("EvoralParameterDescriptor")
222 .addVoidConstructor ()
223 .addData ("lower", &Evoral::ParameterDescriptor::lower)
224 .addData ("upper", &Evoral::ParameterDescriptor::upper)
225 .addData ("normal", &Evoral::ParameterDescriptor::normal)
226 .addData ("toggled", &Evoral::ParameterDescriptor::toggled)
229 .deriveClass <ParameterDescriptor, Evoral::ParameterDescriptor> ("ParameterDescriptor")
230 .addVoidConstructor ()
231 .addData ("label", &ParameterDescriptor::label)
232 .addData ("logarithmic", &ParameterDescriptor::logarithmic)
235 .deriveWSPtrClass <Processor, SessionObject> ("Processor")
236 // TODO mult. inheritance
239 .deriveWSPtrClass <Processor, Automatable> ("Processor")
240 .addCast<PluginInsert> ("to_insert")
241 .addFunction ("display_name", &Processor::display_name)
242 .addFunction ("active", &Processor::active)
243 .addFunction ("activate", &Processor::activate)
244 .addFunction ("deactivate", &Processor::deactivate)
245 .addFunction ("control", (boost::shared_ptr<Evoral::Control>(Evoral::ControlSet::*)(const Evoral::Parameter&, bool))&Evoral::ControlSet::control)
246 .addFunction ("automation_control", (boost::shared_ptr<AutomationControl>(Automatable::*)(const Evoral::Parameter&, bool))&Automatable::automation_control)
249 .deriveWSPtrClass <Plugin, PBD::StatefulDestructible> ("PluginInsert")
250 .addFunction ("label", &Plugin::label)
251 .addFunction ("name", &Plugin::name)
252 .addFunction ("maker", &Plugin::maker)
253 .addFunction ("parameter_count", &Plugin::parameter_count)
254 .addFunction ("nth_parameter", &Plugin::nth_parameter)
255 .addFunction ("parameter_is_input", &Plugin::parameter_is_input)
256 .addFunction ("get_docs", &Plugin::get_docs)
257 .addFunction ("get_parameter_docs", &Plugin::get_parameter_docs)
258 .addRefFunction ("get_parameter_descriptor", &Plugin::get_parameter_descriptor)
261 .deriveWSPtrClass <PluginInsert, Processor> ("PluginInsert")
262 .addFunction ("plugin", &PluginInsert::plugin)
263 .addFunction ("activate", &PluginInsert::activate)
264 .addFunction ("deactivate", &PluginInsert::deactivate)
267 .deriveWSPtrClass <AutomationControl, Evoral::Control> ("AutomationControl")
268 .addFunction ("automation_state", &AutomationControl::automation_state)
269 .addFunction ("automation_style", &AutomationControl::automation_style)
270 .addFunction ("set_automation_state", &AutomationControl::set_automation_state)
271 .addFunction ("set_automation_style", &AutomationControl::set_automation_style)
272 .addFunction ("start_touch", &AutomationControl::start_touch)
273 .addFunction ("stop_touch", &AutomationControl::stop_touch)
274 .addFunction ("get_value", &AutomationControl::get_value)
275 .addFunction ("set_value", &AutomationControl::set_value)
276 .addFunction ("writable", &AutomationControl::writable)
279 .deriveWSPtrClass <PluginInsert::PluginControl, AutomationControl> ("PluginControl")
282 .deriveWSPtrClass <AudioSource, Source> ("AudioSource")
283 .addFunction ("readable_length", &AudioSource::readable_length)
284 .addFunction ("n_channels", &AudioSource::n_channels)
287 // <std::list<boost::shared_ptr <AudioTrack> >
288 .beginStdList <boost::shared_ptr<AudioTrack> > ("AudioTrackList")
291 // std::list<boost::shared_ptr <MidiTrack> >
292 .beginStdList <boost::shared_ptr<MidiTrack> > ("MidiTrackList")
295 // RouteList == boost::shared_ptr<std::list<boost::shared_ptr<Route> > >
296 .beginPtrStdList <boost::shared_ptr<Route> > ("RouteListPtr")
299 // typedef std::list<boost::weak_ptr <Route> > WeakRouteList
300 .beginConstStdList <boost::weak_ptr<Route> > ("WeakRouteList")
303 // std::list< boost::weak_ptr <AudioSource>
304 .beginConstStdList <boost::weak_ptr<AudioSource> > ("WeakAudioSourceList")
307 #if 0 // depends on Evoal:: Note, Beats see note_fixer.h
308 // typedef Evoral::Note<Evoral::Beats> Note;
309 // std::set< boost::weak_ptr<Note> >
310 .beginStdSet <boost::weak_ptr<Note> > ("WeakNoteSet")
314 // typedef std::set<boost::weak_ptr<AudioPort> > PortSet
315 .beginStdSet <boost::weak_ptr<AudioPort> > ("WeakPortSet")
318 // std::list<boost::weak_ptr<Source> >
319 .beginConstStdList <boost::weak_ptr<Source> > ("WeakSourceList")
322 .beginClass <Tempo> ("Tempo")
323 .addConstructor <void (*) (double, double)> ()
324 .addFunction ("note_type", &Tempo::note_type)
325 .addFunction ("beats_per_minute", &Tempo::beats_per_minute)
326 .addFunction ("frames_per_beat", &Tempo::frames_per_beat)
329 .beginClass <Meter> ("Meter")
330 .addConstructor <void (*) (double, double)> ()
331 .addFunction ("divisions_per_bar", &Meter::divisions_per_bar)
332 .addFunction ("note_divisor", &Meter::note_divisor)
333 .addFunction ("frames_per_bar", &Meter::frames_per_bar)
334 .addFunction ("frames_per_grid", &Meter::frames_per_grid)
337 .beginClass <TempoMap> ("TempoMap")
338 .addFunction ("add_tempo", &TempoMap::add_tempo)
339 .addFunction ("add_meter", &TempoMap::add_meter)
342 .beginClass <ChanCount> ("ChanCount")
343 .addFunction ("n_audio", &ChanCount::n_audio)
346 .beginClass <DataType> ("DataType")
347 .addConstructor <void (*) (std::string)> ()
350 /* libardour enums */
351 .beginNamespace ("Autostyle")
352 .addConst ("Absolute", ARDOUR::AutoState(Absolute))
353 .addConst ("Trim", ARDOUR::AutoState(Trim))
356 .beginNamespace ("AutoState")
357 .addConst ("Off", ARDOUR::AutoState(Off))
358 .addConst ("Write", ARDOUR::AutoState(Write))
359 .addConst ("Touch", ARDOUR::AutoState(Touch))
360 .addConst ("Play", ARDOUR::AutoState(Play))
363 .beginNamespace ("AutomationType")
364 .addConst ("PluginAutomation", ARDOUR::AutomationType(PluginAutomation))
367 .beginNamespace ("SrcQuality")
368 .addConst ("SrcBest", ARDOUR::SrcQuality(SrcBest))
371 .beginNamespace ("PlaylistDisposition")
372 .addConst ("CopyPlaylist", ARDOUR::PlaylistDisposition(CopyPlaylist))
373 .addConst ("NewPlaylist", ARDOUR::PlaylistDisposition(NewPlaylist))
374 .addConst ("SharePlaylist", ARDOUR::PlaylistDisposition(SharePlaylist))
377 luabridge::getGlobalNamespace (L)
378 .beginNamespace ("ARDOUR")
379 .beginClass <AudioBackendInfo> ("AudioBackendInfo")
380 .addData ("name", &AudioBackendInfo::name)
382 .beginStdVector <const AudioBackendInfo*> ("BackendVector").endClass ()
384 .beginNamespace ("ARDOUR")
385 .beginClass <AudioBackend::DeviceStatus> ("DeviceStatus")
386 .addData ("name", &AudioBackend::DeviceStatus::name)
387 .addData ("available", &AudioBackend::DeviceStatus::available)
389 .beginStdVector <AudioBackend::DeviceStatus> ("DeviceStatusVector").endClass ()
392 .beginWSPtrClass <AudioBackend> ("AudioBackend")
393 .addFunction ("info", &AudioBackend::info)
394 .addFunction ("sample_rate", &AudioBackend::sample_rate)
395 .addFunction ("buffer_size", &AudioBackend::buffer_size)
396 .addFunction ("period_size", &AudioBackend::period_size)
397 .addFunction ("input_channels", &AudioBackend::input_channels)
398 .addFunction ("output_channels", &AudioBackend::output_channels)
399 .addFunction ("dsp_load", &AudioBackend::dsp_load)
401 .addFunction ("set_sample_rate", &AudioBackend::set_sample_rate)
402 .addFunction ("set_buffer_size", &AudioBackend::set_buffer_size)
403 .addFunction ("set_peridod_size", &AudioBackend::set_peridod_size)
405 .addFunction ("enumerate_drivers", &AudioBackend::enumerate_drivers)
406 .addFunction ("driver_name", &AudioBackend::driver_name)
407 .addFunction ("set_driver", &AudioBackend::set_driver)
409 .addFunction ("use_separate_input_and_output_devices", &AudioBackend::use_separate_input_and_output_devices)
410 .addFunction ("enumerate_devices", &AudioBackend::enumerate_devices)
411 .addFunction ("enumerate_input_devices", &AudioBackend::enumerate_input_devices)
412 .addFunction ("enumerate_output_devices", &AudioBackend::enumerate_output_devices)
413 .addFunction ("device_name", &AudioBackend::device_name)
414 .addFunction ("input_device_name", &AudioBackend::input_device_name)
415 .addFunction ("output_device_name", &AudioBackend::output_device_name)
416 .addFunction ("set_device_name", &AudioBackend::set_device_name)
417 .addFunction ("set_input_device_name", &AudioBackend::set_input_device_name)
418 .addFunction ("set_output_device_name", &AudioBackend::set_output_device_name)
421 .beginClass <AudioEngine> ("AudioEngine")
422 .addFunction ("available_backends", &AudioEngine::available_backends)
423 .addFunction ("current_backend_name", &AudioEngine::current_backend_name)
424 .addFunction ("set_backend", &AudioEngine::set_backend)
425 .addFunction ("setup_required", &AudioEngine::setup_required)
426 .addFunction ("start", &AudioEngine::start)
427 .addFunction ("stop", &AudioEngine::stop)
428 .addFunction ("get_dsp_load", &AudioEngine::get_dsp_load)
429 .addFunction ("set_device_name", &AudioEngine::set_device_name)
430 .addFunction ("set_sample_rate", &AudioEngine::set_sample_rate)
431 .addFunction ("set_buffer_size", &AudioEngine::set_buffer_size)
432 .addFunction ("get_last_backend_error", &AudioEngine::get_last_backend_error)
436 // basic representation of Session
437 // functions which can be used from realtime and non-realtime contexts
438 luabridge::getGlobalNamespace (L)
439 .beginNamespace ("ARDOUR")
440 .beginClass <Session> ("Session")
441 .addFunction ("transport_rolling", &Session::transport_rolling)
442 .addFunction ("request_transport_speed", &Session::request_transport_speed)
443 .addFunction ("transport_frame", &Session::transport_frame)
444 .addFunction ("transport_speed", &Session::transport_speed)
445 .addFunction ("frame_rate", &Session::frame_rate)
446 .addFunction ("nominal_frame_rate", &Session::nominal_frame_rate)
447 .addFunction ("frames_per_timecode_frame", &Session::frames_per_timecode_frame)
448 .addFunction ("timecode_frames_per_hour", &Session::timecode_frames_per_hour)
449 .addFunction ("timecode_frames_per_second", &Session::timecode_frames_per_second)
450 .addFunction ("timecode_drop_frames", &Session::timecode_drop_frames)
451 .addFunction ("request_locate", &Session::request_locate)
452 .addFunction ("request_stop", &Session::request_stop)
453 .addFunction ("last_transport_start", &Session::last_transport_start)
454 .addFunction ("goto_start", &Session::goto_start)
455 .addFunction ("goto_end", &Session::goto_end)
456 .addFunction ("current_start_frame", &Session::current_start_frame)
457 .addFunction ("current_end_frame", &Session::current_end_frame)
458 .addFunction ("actively_recording", &Session::actively_recording)
459 .addFunction ("get_routes", &Session::get_routes)
460 .addFunction ("get_tracks", &Session::get_tracks)
461 .addFunction ("name", &Session::name)
462 .addFunction ("path", &Session::path)
463 .addFunction ("record_status", &Session::record_status)
464 .addFunction ("route_by_id", &Session::route_by_id)
465 .addFunction ("route_by_name", &Session::route_by_name)
466 .addFunction ("route_by_remote_id", &Session::route_by_remote_id)
467 .addFunction ("track_by_diskstream_id", &Session::track_by_diskstream_id)
468 .addFunction ("source_by_id", &Session::source_by_id)
469 .addFunction ("controllable_by_id", &Session::controllable_by_id)
470 .addFunction ("processor_by_id", &Session::processor_by_id)
471 .addFunction ("snap_name", &Session::snap_name)
472 .addFunction ("tempo_map", (TempoMap& (Session::*)())&Session::tempo_map)
475 .beginClass <RegionFactory> ("RegionFactory")
476 .addStaticFunction ("region_by_id", &RegionFactory::region_by_id)
480 .beginNamespace ("Session")
482 .beginNamespace ("RecordState")
483 .addConst ("Disabled", ARDOUR::Session::RecordState(Session::Disabled))
484 .addConst ("Enabled", ARDOUR::Session::RecordState(Session::Enabled))
485 .addConst ("Recording", ARDOUR::Session::RecordState(Session::Recording))
488 .endNamespace () // END Session enums
490 .endNamespace ();// END ARDOUR
494 LuaBindings::dsp (lua_State* L)
496 luabridge::getGlobalNamespace (L)
497 .beginNamespace ("ARDOUR")
499 .beginClass <AudioBuffer> ("AudioBuffer")
500 .addFunction ("data", (Sample*(AudioBuffer::*)(framecnt_t))&AudioBuffer::data)
501 .addFunction ("silence", &AudioBuffer::silence)
502 .addFunction ("apply_gain", &AudioBuffer::apply_gain)
505 .beginClass <MidiBuffer> ("MidiBuffer")
506 .addFunction ("silence", &MidiBuffer::silence)
507 .addFunction ("empty", &MidiBuffer::empty)
511 .beginClass <BufferSet> ("BufferSet")
512 .addFunction ("get_audio", static_cast<AudioBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_audio))
513 .addFunction ("count", static_cast<const ChanCount&(BufferSet::*)()const>(&BufferSet::count))
516 .beginClass <ChanMapping> ("ChanMapping")
517 .addFunction ("get", static_cast<uint32_t(ChanMapping::*)(DataType, uint32_t)>(&ChanMapping::get))
518 .addFunction ("set", &ChanMapping::set)
519 .addConst ("Invalid", 4294967295) // UINT32_MAX
523 luabridge::getGlobalNamespace (L)
524 .beginNamespace ("Evoral")
525 .beginClass <Evoral::Event<framepos_t> > ("Event")
526 .addFunction ("clear", &Evoral::Event<framepos_t>::clear)
527 .addFunction ("size", &Evoral::Event<framepos_t>::size)
528 .addFunction ("set_buffer", &Evoral::Event<framepos_t>::set_buffer)
529 .addFunction ("buffer", (uint8_t*(Evoral::Event<framepos_t>::*)())&Evoral::Event<framepos_t>::buffer)
532 .deriveClass <Evoral::MIDIEvent<framepos_t>, Evoral::Event<framepos_t> > ("MidiEvent")
534 .addFunction ("type", &Evoral::MIDIEvent<framepos_t>::type)
535 .addFunction ("channel", &Evoral::MIDIEvent<framepos_t>::channel)
536 .addFunction ("set_type", &Evoral::MIDIEvent<framepos_t>::type)
537 .addFunction ("set_channel", &Evoral::MIDIEvent<framepos_t>::channel)
541 // dsp releated session functions
542 luabridge::getGlobalNamespace (L)
543 .beginNamespace ("ARDOUR")
544 .beginClass <Session> ("Session")
545 .addFunction ("get_scratch_buffers", &Session::get_scratch_buffers)
546 .addFunction ("get_silent_buffers", &Session::get_silent_buffers)
550 luabridge::getGlobalNamespace (L)
551 .beginNamespace ("ARDOUR")
552 .beginNamespace ("DSP")
553 .addFunction ("compute_peak", ARDOUR::compute_peak)
554 .addFunction ("find_peaks", ARDOUR::find_peaks)
555 .addFunction ("apply_gain_to_buffer", ARDOUR::apply_gain_to_buffer)
556 .addFunction ("mix_buffers_no_gain", ARDOUR::mix_buffers_no_gain)
557 .addFunction ("mix_buffers_with_gain", ARDOUR::mix_buffers_with_gain)
558 .addFunction ("copy_vector", ARDOUR::copy_vector)
559 .addFunction ("dB_to_coefficient", &dB_to_coefficient)
560 .addFunction ("fast_coefficient_to_dB", &fast_coefficient_to_dB)
561 .addFunction ("accurate_coefficient_to_dB", &accurate_coefficient_to_dB)
562 .addFunction ("memset", &DSP::memset)
563 .addFunction ("mmult", &DSP::mmult)
564 .beginClass <DSP::LowPass> ("LowPass")
565 .addConstructor <void (*) (double, float)> ()
566 .addFunction ("proc", &DSP::LowPass::proc)
567 .addFunction ("ctrl", &DSP::LowPass::ctrl)
568 .addFunction ("set_cutoff", &DSP::LowPass::set_cutoff)
569 .addFunction ("reset", &DSP::LowPass::reset)
571 .beginClass <DSP::BiQuad> ("Biquad")
572 .addConstructor <void (*) (double)> ()
573 .addFunction ("run", &DSP::BiQuad::run)
574 .addFunction ("compute", &DSP::BiQuad::compute)
575 .addFunction ("reset", &DSP::BiQuad::reset)
582 LuaBindings::session (lua_State* L)
584 // non-realtime session functions
585 luabridge::getGlobalNamespace (L)
586 .beginNamespace ("ARDOUR")
587 .beginClass <Session> ("Session")
588 .addFunction ("save_state", &Session::save_state)
589 .addFunction ("set_dirty", &Session::set_dirty)
590 .addFunction ("unknown_processors", &Session::unknown_processors)
592 .addFunction<RouteList (Session::*)(uint32_t, const std::string&, const std::string&, PlaylistDisposition)> ("new_route_from_template", &Session::new_route_from_template)
593 // TODO session_add_audio_track session_add_midi_track session_add_mixed_track
594 //.addFunction ("new_midi_track", &Session::new_midi_track)
597 .endNamespace (); // ARDOUR
601 LuaBindings::set_session (lua_State* L, Session *s)
603 /* LuaBridge uses unique keys to identify classes/c-types.
605 * Those keys are "generated" by using the memory-address of a static
606 * variable, templated for every Class.
607 * (see libs/lua/LuaBridge/detail/ClassInfo.h)
609 * When linking the final executable there must be exactly one static
610 * function (static variable) for every templated class.
611 * This works fine on OSX and Linux...
613 * Windows (mingw and MSVC) however expand the template differently for libardour
614 * AND gtk2_ardour. We end up with two identical static functions
615 * at different addresses!!
617 * The Solution: have gtk2_ardour never include LuaBridge headers directly
618 * and always go via libardour function calls for classes that are registered
619 * in libardour. (calling lua itself is fine, calling c-functions in the GUI
620 * which expand the template is not)
622 * (the actual cause: even static symbols in a .dll have no fixed address
623 * and are mapped when loading the dll. static functions in .exe do have a fixed
627 * 0000000000000000 I __imp__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
628 * 0000000000000000 I __nm__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
629 * 0000000000000000 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
632 * 000000000104f560 d .data$_ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
633 * 000000000104f560 D _ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
634 * 0000000000e9baf0 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
638 luabridge::push <Session *> (L, s);
639 lua_setglobal (L, "Session");
642 // call lua function.
643 luabridge::LuaRef cb_ses = luabridge::getGlobal (L, "new_session");
644 if (cb_ses.type() == LUA_TFUNCTION) { cb_ses(s->name()); } // TODO args