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/audioregion.h"
  31 #include "ardour/audiosource.h"
  32 #include "ardour/audio_backend.h"
  33 #include "ardour/audio_buffer.h"
  34 #include "ardour/audio_port.h"
  35 #include "ardour/audio_track.h"
  36 #include "ardour/audioplaylist.h"
  37 #include "ardour/buffer_set.h"
  38 #include "ardour/beats_frames_converter.h"
  39 #include "ardour/chan_mapping.h"
  40 #include "ardour/dB.h"
  41 #include "ardour/dsp_filter.h"
  42 #include "ardour/fluid_synth.h"
  43 #include "ardour/interthread_info.h"
  44 #include "ardour/lua_api.h"
  45 #include "ardour/luabindings.h"
  46 #include "ardour/luaproc.h"
  47 #include "ardour/meter.h"
  48 #include "ardour/midi_model.h"
  49 #include "ardour/midi_track.h"
  50 #include "ardour/midi_playlist.h"
  51 #include "ardour/midi_port.h"
  52 #include "ardour/midi_region.h"
  53 #include "ardour/midi_source.h"
  54 #include "ardour/panner_shell.h"
  55 #include "ardour/phase_control.h"
  56 #include "ardour/playlist.h"
  57 #include "ardour/plugin.h"
  58 #include "ardour/plugin_insert.h"
  59 #include "ardour/port_manager.h"
  60 #include "ardour/progress.h"
  61 #include "ardour/runtime_functions.h"
  62 #include "ardour/region.h"
  63 #include "ardour/region_factory.h"
  64 #include "ardour/route_group.h"
  65 #include "ardour/session.h"
  66 #include "ardour/session_object.h"
  67 #include "ardour/sidechain.h"
  68 #include "ardour/solo_isolate_control.h"
  69 #include "ardour/solo_safe_control.h"
  70 #include "ardour/stripable.h"
  71 #include "ardour/track.h"
  72 #include "ardour/tempo.h"
  73
  74 #include "LuaBridge/LuaBridge.h"
  75
  76 #ifdef PLATFORM_WINDOWS
  77 /* luabridge uses addresses of static functions/variables to identify classes.
  78  *
  79  * Static symbols on windows (even identical symbols) are not
  80  * mapped to the same address when mixing .dll + .exe.
  81  * So we need a single point to define those static functions.
  82  * (normally they're header-only in libs/lua/LuaBridge/detail/ClassInfo.h)
  83  *
  84  * Really!! A static function with a static variable in a library header
  85  * should never ever be replicated, even if it is a template.
  86  * But then again this is windows... what else can go wrong ?!
  87  */
  88
  89 template <class T>
  90 void const*
  91 luabridge::ClassInfo<T>::getStaticKey ()
  92 {
  93         static char value;
  94         return &value;
  95 }
  96
  97 template <class T>
  98 void const*
  99 luabridge::ClassInfo<T>::getClassKey ()
 100 {
 101         static char value;
 102         return &value;
 103 }
 104
 105 template <class T>
 106 void const*
 107 luabridge::ClassInfo<T>::getConstKey ()
 108 {
 109         static char value;
 110         return &value;
 111 }
 112
 113 void*
 114 luabridge::getIdentityKey ()
 115 {
 116   static char value;
 117   return &value;
 118 }
 119
 120 /* ...and this is the ugly part of it.
 121  *
 122  * We need to foward declare classes from gtk2_ardour
 123  * AND explicily list classes which are used by gtk2_ardour's bindings.
 124  *
 125  * This is required because some of the GUI classes use objects from libardour
 126  * as function parameters or return values and the .exe would re-create
 127  * symbols for libardour objects.
 128  */
 129
 130 #define CLASSKEYS(CLS) \
 131         template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
 132         template void const* luabridge::ClassInfo< CLS >::getClassKey();  \
 133         template void const* luabridge::ClassInfo< CLS >::getConstKey();
 134
 135 #define CLASSINFO(CLS) \
 136         class CLS; \
 137         template void const* luabridge::ClassInfo< CLS >::getStaticKey(); \
 138         template void const* luabridge::ClassInfo< CLS >::getClassKey();  \
 139         template void const* luabridge::ClassInfo< CLS >::getConstKey();
 140
 141 CLASSINFO(ArdourMarker);
 142 CLASSINFO(AxisView);
 143 CLASSINFO(MarkerSelection);
 144 CLASSINFO(PublicEditor);
 145 CLASSINFO(RegionSelection);
 146 CLASSINFO(RegionView);
 147 CLASSINFO(RouteTimeAxisView);
 148 CLASSINFO(RouteUI);
 149 CLASSINFO(Selectable);
 150 CLASSINFO(Selection);
 151 CLASSINFO(TimeAxisView);
 152 CLASSINFO(TimeAxisViewItem);
 153 CLASSINFO(TimeSelection);
 154 CLASSINFO(TrackSelection);
 155 CLASSINFO(TrackViewList);
 156
 157
 158 CLASSKEYS(std::bitset<47ul>); // LuaSignal::LAST_SIGNAL
 159
 160 CLASSKEYS(void);
 161 CLASSKEYS(float);
 162 CLASSKEYS(unsigned char);
 163
 164 CLASSKEYS(ArdourMarker*);
 165 CLASSKEYS(Selectable*);
 166 CLASSKEYS(std::list<Selectable*>);
 167
 168 CLASSKEYS(ARDOUR::AudioEngine);
 169 CLASSKEYS(ARDOUR::BeatsFramesConverter);
 170 CLASSKEYS(ARDOUR::BufferSet);
 171 CLASSKEYS(ARDOUR::ChanCount);
 172 CLASSKEYS(ARDOUR::ChanMapping);
 173 CLASSKEYS(ARDOUR::DSP::DspShm);
 174 CLASSKEYS(ARDOUR::DataType);
 175 CLASSKEYS(ARDOUR::FluidSynth);
 176 CLASSKEYS(ARDOUR::Location);
 177 CLASSKEYS(ARDOUR::LuaAPI::Vamp);
 178 CLASSKEYS(ARDOUR::LuaOSC::Address);
 179 CLASSKEYS(ARDOUR::LuaProc);
 180 CLASSKEYS(ARDOUR::LuaTableRef);
 181 CLASSKEYS(ARDOUR::MidiModel::NoteDiffCommand);
 182 CLASSKEYS(ARDOUR::MonitorProcessor);
 183 CLASSKEYS(ARDOUR::RouteGroup);
 184 CLASSKEYS(ARDOUR::ParameterDescriptor);
 185 CLASSKEYS(ARDOUR::PeakMeter);
 186 CLASSKEYS(ARDOUR::PluginInfo);
 187 CLASSKEYS(ARDOUR::Plugin::PresetRecord);
 188 CLASSKEYS(ARDOUR::PortEngine);
 189 CLASSKEYS(ARDOUR::PortManager);
 190 CLASSKEYS(ARDOUR::PresentationInfo);
 191 CLASSKEYS(ARDOUR::Session);
 192 CLASSKEYS(ARDOUR::SessionConfiguration);
 193 CLASSKEYS(ARDOUR::Source);
 194
 195 CLASSKEYS(PBD::ID);
 196 CLASSKEYS(PBD::Configuration);
 197 CLASSKEYS(PBD::PropertyChange);
 198 CLASSKEYS(PBD::StatefulDestructible);
 199
 200 CLASSKEYS(Evoral::Beats);
 201 CLASSKEYS(Evoral::Event<framepos_t>);
 202
 203
 204 CLASSKEYS(std::vector<std::string>);
 205 CLASSKEYS(std::vector<float>);
 206 CLASSKEYS(std::vector<float*>);
 207 CLASSKEYS(std::vector<double>);
 208 CLASSKEYS(std::list<int64_t>);
 209
 210 CLASSKEYS(std::vector<ARDOUR::Plugin::PresetRecord>);
 211 CLASSKEYS(std::vector<boost::shared_ptr<ARDOUR::Processor> >);
 212 CLASSKEYS(std::vector<boost::shared_ptr<ARDOUR::Source> >);
 213
 214 CLASSKEYS(std::list<ArdourMarker*>);
 215 CLASSKEYS(std::list<TimeAxisView*>);
 216 CLASSKEYS(std::list<ARDOUR::AudioRange>);
 217 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Port> >);
 218 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Region> >);
 219 CLASSKEYS(std::list<boost::shared_ptr<ARDOUR::Route> >);
 220 CLASSKEYS(boost::shared_ptr<std::list<boost::shared_ptr<ARDOUR::Route> > >);
 221
 222 CLASSKEYS(boost::shared_ptr<ARDOUR::AudioRegion>);
 223 CLASSKEYS(boost::shared_ptr<ARDOUR::AudioSource>);
 224 CLASSKEYS(boost::shared_ptr<ARDOUR::Automatable>);
 225 CLASSKEYS(boost::shared_ptr<ARDOUR::AutomatableSequence<Evoral::Beats> >);
 226 CLASSKEYS(boost::shared_ptr<ARDOUR::AutomationList>);
 227 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiModel>);
 228 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiPlaylist>);
 229 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiRegion>);
 230 CLASSKEYS(boost::shared_ptr<ARDOUR::MidiSource>);
 231 CLASSKEYS(boost::shared_ptr<ARDOUR::PluginInfo>);
 232 CLASSKEYS(boost::shared_ptr<ARDOUR::Processor>);
 233 CLASSKEYS(boost::shared_ptr<ARDOUR::Readable>);
 234 CLASSKEYS(boost::shared_ptr<ARDOUR::Region>);
 235 CLASSKEYS(boost::shared_ptr<Evoral::ControlList>);
 236 CLASSKEYS(boost::shared_ptr<Evoral::Note<Evoral::Beats> >);
 237 CLASSKEYS(boost::shared_ptr<Evoral::Sequence<Evoral::Beats> >);
 238
 239 CLASSKEYS(boost::shared_ptr<ARDOUR::Playlist>);
 240 CLASSKEYS(boost::shared_ptr<ARDOUR::Route>);
 241 CLASSKEYS(boost::weak_ptr<ARDOUR::Route>);
 242
 243 CLASSKEYS(Vamp::RealTime);
 244 CLASSKEYS(Vamp::PluginBase);
 245 CLASSKEYS(Vamp::PluginBase::ParameterDescriptor);
 246 CLASSKEYS(Vamp::Plugin);
 247 CLASSKEYS(Vamp::Plugin::OutputDescriptor);
 248 CLASSKEYS(Vamp::Plugin::Feature);
 249 CLASSKEYS(Vamp::Plugin::OutputList);
 250 CLASSKEYS(Vamp::Plugin::FeatureList);
 251 CLASSKEYS(Vamp::Plugin::FeatureSet);
 252
 253 namespace LuaCairo {
 254         class ImageSurface;
 255         class PangoLayout;
 256 }
 257 namespace Cairo {
 258         class Context;
 259 }
 260
 261 CLASSKEYS(Cairo::Context);
 262 CLASSKEYS(LuaCairo::ImageSurface);
 263 CLASSKEYS(LuaCairo::PangoLayout);
 264
 265 #endif // end windows special case
 266
 267 /* Some notes on Lua bindings for libardour and friends
 268  *
 269  * - Prefer factory methods over Contructors whenever possible.
 270  *   Don't expose the constructor method unless required.
 271  *
 272  *   e.g. Don't allow the script to construct a "Track" Object directly
 273  *   but do allow to create a "BBT_TIME" object.
 274  *
 275  * - Do not dereference Shared or Weak Pointers. Pass the pointer to Lua.
 276  * - Define Objects as boost:shared_ptr Object whenever possible.
 277  *
 278  *   Storing a boost::shared_ptr in a Lua-variable keeps the reference
 279  *   until that variable is set to 'nil'.
 280  *   (if the script were to keep a direct pointer to the object instance, the
 281  *   behaviour is undefined if the actual object goes away)
 282  *
 283  *   Methods of the actual class are indirectly exposed,
 284  *   boost::*_ptr get() and ::lock() is implicit when the class is exported
 285  *   as LuaBridge's "WSPtrClass".
 286  */
 287
 288 using namespace ARDOUR;
 289
 290 void
 291 LuaBindings::stddef (lua_State* L)
 292 {
 293         // std::list<std::string>
 294         luabridge::getGlobalNamespace (L)
 295                 .beginNamespace ("C")
 296                 .beginStdList <std::string> ("StringList")
 297                 .endClass ()
 298
 299         // std::vector<std::string>
 300                 .beginStdVector <std::string> ("StringVector")
 301                 .endClass ()
 302
 303         // std::vector<float>
 304                 .beginStdVector <float> ("FloatVector")
 305                 .endClass ()
 306
 307         // register float array (uint8_t*)
 308                 .registerArray <uint8_t> ("ByteArray")
 309
 310         // register float array (float*)
 311                 .registerArray <float> ("FloatArray")
 312
 313         // register float array (int32_t*)
 314                 .registerArray <int32_t> ("IntArray")
 315
 316         // std::vector<float*>
 317                 .beginStdVector <float*> ("FloatArrayVector")
 318                 .endClass ()
 319
 320                 // framepos_t, frameoffset_t lists e.g. AnalysisFeatureList
 321                 .beginStdList <int64_t> ("Int64List")
 322                 .endClass ()
 323
 324         // TODO std::set
 325                 .endNamespace ();
 326 }
 327
 328 void
 329 LuaBindings::common (lua_State* L)
 330 {
 331         luabridge::getGlobalNamespace (L)
 332                 .beginNamespace ("PBD")
 333
 334                 .addFunction ("open_uri", (bool (*) (const std::string&))&PBD::open_uri)
 335                 .addFunction ("open_uri", &PBD::open_folder)
 336
 337                 .beginClass <PBD::ID> ("ID")
 338                 .addConstructor <void (*) (std::string)> ()
 339                 .addFunction ("to_s", &PBD::ID::to_s) // TODO special case LUA __tostring ?
 340                 .endClass ()
 341
 342                 .beginStdVector <PBD::ID> ("IdVector").endClass ()
 343
 344                 .beginClass <XMLNode> ("XMLNode")
 345                 .addFunction ("name", &XMLNode::name)
 346                 .endClass ()
 347
 348                 .beginClass <PBD::Stateful> ("Stateful")
 349                 .addFunction ("id", &PBD::Stateful::id)
 350                 .addFunction ("properties", &PBD::Stateful::properties)
 351                 .addFunction ("clear_changes", &PBD::Stateful::clear_changes)
 352                 .endClass ()
 353
 354                 .beginWSPtrClass <PBD::Stateful> ("StatefulPtr")
 355                 .addFunction ("id", &PBD::Stateful::id)
 356                 .addFunction ("properties", &PBD::Stateful::properties)
 357                 .addFunction ("clear_changes", &PBD::Stateful::clear_changes)
 358                 .endClass ()
 359
 360                 .deriveClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructible")
 361                 .endClass ()
 362
 363                 .deriveClass <PBD::Configuration, PBD::Stateful> ("Configuration")
 364                 .endClass()
 365
 366                 .deriveWSPtrClass <PBD::StatefulDestructible, PBD::Stateful> ("StatefulDestructiblePtr")
 367                 .endClass ()
 368
 369                 .deriveClass <Command, PBD::StatefulDestructible> ("Command")
 370                 .addFunction ("set_name", &Command::set_name)
 371                 .addFunction ("name", &Command::name)
 372                 .endClass ()
 373
 374                 /* UndoTransaction::add_command() subscribes to DropReferences()
 375                  * and deletes the object.
 376                  *
 377                  * This object cannot be constructed by lua because lua would manage lifetime
 378                  * and delete the object leading to a double free.
 379                  *
 380                  * use Session::add_stateful_diff_command()
 381                  * and Session::abort_reversible_command()
 382                  */
 383                 .deriveClass <PBD::StatefulDiffCommand, Command> ("StatefulDiffCommand")
 384                 .addFunction ("undo", &PBD::StatefulDiffCommand::undo)
 385                 .addFunction ("empty", &PBD::StatefulDiffCommand::empty)
 386                 .endClass ()
 387
 388                 .deriveWSPtrClass <PBD::Controllable, PBD::StatefulDestructible> ("Controllable")
 389                 .addFunction ("name", &PBD::Controllable::name)
 390                 .addFunction ("get_value", &PBD::Controllable::get_value)
 391                 .endClass ()
 392
 393                 .beginClass <PBD::RingBufferNPT <uint8_t> > ("RingBuffer8")
 394                 .addConstructor <void (*) (size_t)> ()
 395                 .addFunction ("reset", &PBD::RingBufferNPT<uint8_t>::reset)
 396                 .addFunction ("read", &PBD::RingBufferNPT<uint8_t>::read)
 397                 .addFunction ("write", &PBD::RingBufferNPT<uint8_t>::write)
 398                 .addFunction ("write_one", &PBD::RingBufferNPT<uint8_t>::write_one)
 399                 .addFunction ("write_space", &PBD::RingBufferNPT<uint8_t>::write_space)
 400                 .addFunction ("read_space", &PBD::RingBufferNPT<uint8_t>::read_space)
 401                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<uint8_t>::increment_read_ptr)
 402                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<uint8_t>::increment_write_ptr)
 403                 .endClass ()
 404
 405                 .beginClass <PBD::RingBufferNPT <float> > ("RingBufferF")
 406                 .addConstructor <void (*) (size_t)> ()
 407                 .addFunction ("reset", &PBD::RingBufferNPT<float>::reset)
 408                 .addFunction ("read", &PBD::RingBufferNPT<float>::read)
 409                 .addFunction ("write", &PBD::RingBufferNPT<float>::write)
 410                 .addFunction ("write_one", &PBD::RingBufferNPT<float>::write_one)
 411                 .addFunction ("write_space", &PBD::RingBufferNPT<float>::write_space)
 412                 .addFunction ("read_space", &PBD::RingBufferNPT<float>::read_space)
 413                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<float>::increment_read_ptr)
 414                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<float>::increment_write_ptr)
 415                 .endClass ()
 416
 417                 .beginClass <PBD::RingBufferNPT <int> > ("RingBufferI")
 418                 .addConstructor <void (*) (size_t)> ()
 419                 .addFunction ("reset", &PBD::RingBufferNPT<int>::reset)
 420                 .addFunction ("read", &PBD::RingBufferNPT<int>::read)
 421                 .addFunction ("write", &PBD::RingBufferNPT<int>::write)
 422                 .addFunction ("write_one", &PBD::RingBufferNPT<int>::write_one)
 423                 .addFunction ("write_space", &PBD::RingBufferNPT<int>::write_space)
 424                 .addFunction ("read_space", &PBD::RingBufferNPT<int>::read_space)
 425                 .addFunction ("increment_read_ptr", &PBD::RingBufferNPT<int>::increment_read_ptr)
 426                 .addFunction ("increment_write_ptr", &PBD::RingBufferNPT<int>::increment_write_ptr)
 427                 .endClass ()
 428
 429                 /* PBD enums */
 430                 .beginNamespace ("GroupControlDisposition")
 431                 .addConst ("InverseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::InverseGroup))
 432                 .addConst ("NoGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::NoGroup))
 433                 .addConst ("UseGroup", PBD::Controllable::GroupControlDisposition(PBD::Controllable::UseGroup))
 434                 .endNamespace ()
 435
 436                 .endNamespace (); // PBD
 437
 438         luabridge::getGlobalNamespace (L)
 439                 .beginNamespace ("Timecode")
 440                 .beginClass <Timecode::BBT_Time> ("BBT_TIME")
 441                 .addConstructor <void (*) (uint32_t, uint32_t, uint32_t)> ()
 442                 .addData ("bars", &Timecode::BBT_Time::bars)
 443                 .addData ("beats", &Timecode::BBT_Time::beats)
 444                 .addData ("ticks", &Timecode::BBT_Time::ticks)
 445                 //.addStaticData ("ticks_per_beat", &Timecode::BBT_Time::ticks_per_beat, false)
 446                 .endClass ()
 447
 448                 .beginClass <Timecode::Time> ("Time")
 449                 .addConstructor <void (*) (double)> ()
 450                 .addData ("negative", &Timecode::Time::negative)
 451                 .addData ("hours", &Timecode::Time::hours)
 452                 .addData ("minutes", &Timecode::Time::minutes)
 453                 .addData ("seconds", &Timecode::Time::seconds)
 454                 .addData ("frames", &Timecode::Time::frames)
 455                 .addData ("subframes", &Timecode::Time::subframes)
 456                 .addData ("rate", &Timecode::Time::rate)
 457                 .addData ("drop", &Timecode::Time::drop)
 458                 .endClass ()
 459
 460                 // TODO add increment, decrement; push it into the class
 461
 462                 /* libtimecode enums */
 463                 .beginNamespace ("TimecodeFormat")
 464                 .addConst ("TC23976", Timecode::TimecodeFormat(Timecode::timecode_23976))
 465                 .addConst ("TC24", Timecode::TimecodeFormat(Timecode::timecode_24))
 466                 .addConst ("TC24976", Timecode::TimecodeFormat(Timecode::timecode_24976))
 467                 .addConst ("TC25", Timecode::TimecodeFormat(Timecode::timecode_25))
 468                 .addConst ("TC2997", Timecode::TimecodeFormat(Timecode::timecode_2997))
 469                 .addConst ("TC2997DF", Timecode::TimecodeFormat(Timecode::timecode_2997drop))
 470                 .addConst ("TC2997000", Timecode::TimecodeFormat(Timecode::timecode_2997000))
 471                 .addConst ("TC2997000DF", Timecode::TimecodeFormat(Timecode::timecode_2997000drop))
 472                 .addConst ("TC30", Timecode::TimecodeFormat(Timecode::timecode_30))
 473                 .addConst ("TC5994", Timecode::TimecodeFormat(Timecode::timecode_5994))
 474                 .addConst ("TC60", Timecode::TimecodeFormat(Timecode::timecode_60))
 475                 .endNamespace ()
 476                 .endNamespace ();
 477
 478         luabridge::getGlobalNamespace (L)
 479
 480                 .beginNamespace ("Evoral")
 481                 .beginClass <Evoral::Event<framepos_t> > ("Event")
 482                 .addFunction ("clear", &Evoral::Event<framepos_t>::clear)
 483                 .addFunction ("size", &Evoral::Event<framepos_t>::size)
 484                 .addFunction ("set_buffer", &Evoral::Event<framepos_t>::set_buffer)
 485                 .addFunction ("buffer", (uint8_t*(Evoral::Event<framepos_t>::*)())&Evoral::Event<framepos_t>::buffer)
 486                 .addFunction ("time", (framepos_t (Evoral::Event<framepos_t>::*)())&Evoral::Event<framepos_t>::time)
 487                 .endClass ()
 488
 489                 .beginClass <Evoral::Beats> ("Beats")
 490                 .addConstructor <void (*) (double)> ()
 491                 .addFunction ("to_double", &Evoral::Beats::to_double)
 492                 .endClass ()
 493
 494                 .beginClass <Evoral::Parameter> ("Parameter")
 495                 .addConstructor <void (*) (uint32_t, uint8_t, uint32_t)> ()
 496                 .addFunction ("type", &Evoral::Parameter::type)
 497                 .addFunction ("channel", &Evoral::Parameter::channel)
 498                 .addFunction ("id", &Evoral::Parameter::id)
 499                 .endClass ()
 500
 501                 .beginWSPtrClass <Evoral::ControlList> ("ControlList")
 502                 .addFunction ("add", &Evoral::ControlList::add)
 503                 .addFunction ("thin", &Evoral::ControlList::thin)
 504                 .addFunction ("eval", &Evoral::ControlList::eval)
 505                 .addRefFunction ("rt_safe_eval", &Evoral::ControlList::rt_safe_eval)
 506                 .addFunction ("interpolation", &Evoral::ControlList::interpolation)
 507                 .addFunction ("set_interpolation", &Evoral::ControlList::set_interpolation)
 508                 .addFunction ("truncate_end", &Evoral::ControlList::truncate_end)
 509                 .addFunction ("truncate_start", &Evoral::ControlList::truncate_start)
 510                 .addFunction ("clear", (void (Evoral::ControlList::*)(double, double))&Evoral::ControlList::clear)
 511                 .addFunction ("in_write_pass", &Evoral::ControlList::in_write_pass)
 512                 .endClass ()
 513
 514                 .beginWSPtrClass <Evoral::ControlSet> ("ControlSet")
 515                 .endClass ()
 516
 517                 .beginWSPtrClass <Evoral::Control> ("Control")
 518                 .addFunction ("list", (boost::shared_ptr<Evoral::ControlList>(Evoral::Control::*)())&Evoral::Control::list)
 519                 .endClass ()
 520
 521                 .beginClass <Evoral::ParameterDescriptor> ("ParameterDescriptor")
 522                 .addVoidConstructor ()
 523                 .addData ("lower", &Evoral::ParameterDescriptor::lower)
 524                 .addData ("upper", &Evoral::ParameterDescriptor::upper)
 525                 .addData ("normal", &Evoral::ParameterDescriptor::normal)
 526                 .addData ("toggled", &Evoral::ParameterDescriptor::toggled)
 527                 .endClass ()
 528
 529                 .beginClass <Evoral::Range<framepos_t> > ("Range")
 530                 .addConstructor <void (*) (framepos_t, framepos_t)> ()
 531                 .addData ("from", &Evoral::Range<framepos_t>::from)
 532                 .addData ("to", &Evoral::Range<framepos_t>::to)
 533                 .endClass ()
 534
 535                 .deriveWSPtrClass <Evoral::Sequence<Evoral::Beats>, Evoral::ControlSet> ("Sequence")
 536                 .endClass ()
 537
 538                 .beginWSPtrClass <Evoral::Note<Evoral::Beats> > ("NotePtr")
 539                 .addFunction ("time", &Evoral::Note<Evoral::Beats>::time)
 540                 .addFunction ("note", &Evoral::Note<Evoral::Beats>::note)
 541                 .addFunction ("velocity", &Evoral::Note<Evoral::Beats>::velocity)
 542                 .addFunction ("off_velocity", &Evoral::Note<Evoral::Beats>::off_velocity)
 543                 .addFunction ("length", &Evoral::Note<Evoral::Beats>::length)
 544                 .addFunction ("channel", &Evoral::Note<Evoral::Beats>::channel)
 545                 .endClass ()
 546
 547                 /* libevoral enums */
 548                 .beginNamespace ("InterpolationStyle")
 549                 .addConst ("Discrete", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Discrete))
 550                 .addConst ("Linear", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Linear))
 551                 .addConst ("Curved", Evoral::ControlList::InterpolationStyle(Evoral::ControlList::Curved))
 552                 .endNamespace ()
 553
 554                 .endNamespace (); // Evoral
 555
 556         luabridge::getGlobalNamespace (L)
 557                 .beginNamespace ("Vamp")
 558
 559                 .beginClass<Vamp::RealTime> ("RealTime")
 560                 .addConstructor <void (*) (int, int)> ()
 561                 .addData ("sec", &Vamp::RealTime::sec, false)
 562                 .addData ("nsec", &Vamp::RealTime::nsec, false)
 563                 .addFunction ("usec", &Vamp::RealTime::usec)
 564                 .addFunction ("msec", &Vamp::RealTime::msec)
 565                 .addFunction ("toString", &Vamp::RealTime::toString)
 566                 .addStaticFunction ("realTime2Frame", &Vamp::RealTime::realTime2Frame)
 567                 .addStaticFunction ("frame2RealTime", &Vamp::RealTime::frame2RealTime)
 568                 .endClass ()
 569
 570                 .beginClass<Vamp::PluginBase> ("PluginBase")
 571                 .addFunction ("getIdentifier", &Vamp::PluginBase::getIdentifier)
 572                 .addFunction ("getName", &Vamp::PluginBase::getName)
 573                 .addFunction ("getDescription", &Vamp::PluginBase::getDescription)
 574                 .addFunction ("getMaker", &Vamp::PluginBase::getMaker)
 575                 .addFunction ("getCopyright", &Vamp::PluginBase::getCopyright)
 576                 .addFunction ("getPluginVersion", &Vamp::PluginBase::getPluginVersion)
 577                 .addFunction ("getParameterDescriptors", &Vamp::PluginBase::getParameterDescriptors)
 578                 .addFunction ("getParameter", &Vamp::PluginBase::getParameter)
 579                 .addFunction ("setParameter", &Vamp::PluginBase::setParameter)
 580                 .addFunction ("getPrograms", &Vamp::PluginBase::getPrograms)
 581                 .addFunction ("getCurrentProgram", &Vamp::PluginBase::getCurrentProgram)
 582                 .addFunction ("selectProgram", &Vamp::PluginBase::selectProgram)
 583                 .addFunction ("getType", &Vamp::PluginBase::getType)
 584                 .endClass ()
 585
 586                 .beginNamespace ("PluginBase")
 587                 .beginClass<Vamp::PluginBase::ParameterDescriptor> ("ParameterDescriptor")
 588                 .addData ("identifier", &Vamp::PluginBase::ParameterDescriptor::identifier)
 589                 .addData ("name", &Vamp::PluginBase::ParameterDescriptor::name)
 590                 .addData ("description", &Vamp::PluginBase::ParameterDescriptor::description)
 591                 .addData ("unit", &Vamp::PluginBase::ParameterDescriptor::unit)
 592                 .addData ("minValue", &Vamp::PluginBase::ParameterDescriptor::minValue)
 593                 .addData ("maxValue", &Vamp::PluginBase::ParameterDescriptor::maxValue)
 594                 .addData ("defaultValue", &Vamp::PluginBase::ParameterDescriptor::defaultValue)
 595                 .addData ("isQuantized", &Vamp::PluginBase::ParameterDescriptor::isQuantized)
 596                 .addData ("quantizeStep", &Vamp::PluginBase::ParameterDescriptor::quantizeStep)
 597                 .addData ("valueNames", &Vamp::PluginBase::ParameterDescriptor::valueNames)
 598                 .endClass ()
 599
 600                 .beginStdVector <Vamp::PluginBase::ParameterDescriptor> ("ParameterList")
 601                 .endClass ()
 602                 .endNamespace () // Vamp::PluginBase
 603
 604                 .deriveClass<Vamp::Plugin, Vamp::PluginBase> ("Plugin")
 605                 //.addFunction ("process", &Vamp::Plugin::process) // unusable due to  float*const* -> LuaAPI::Vamp::process
 606                 .addFunction ("initialise", &Vamp::Plugin::initialise)
 607                 .addFunction ("reset", &Vamp::Plugin::reset)
 608                 .addFunction ("getInputDomain", &Vamp::Plugin::getInputDomain)
 609                 .addFunction ("getPreferredBlockSize", &Vamp::Plugin::getPreferredBlockSize)
 610                 .addFunction ("getPreferredStepSize", &Vamp::Plugin::getPreferredStepSize)
 611                 .addFunction ("getMinChannelCount", &Vamp::Plugin::getMinChannelCount)
 612                 .addFunction ("getMaxChannelCount", &Vamp::Plugin::getMaxChannelCount)
 613                 .addFunction ("getOutputDescriptors", &Vamp::Plugin::getOutputDescriptors)
 614                 .addFunction ("getRemainingFeatures", &Vamp::Plugin::getRemainingFeatures)
 615                 .addFunction ("getType", &Vamp::Plugin::getType)
 616                 .endClass ()
 617
 618                 .beginNamespace ("Plugin")
 619                 .beginClass<Vamp::Plugin::OutputDescriptor> ("OutputDescriptor")
 620                 .addData ("identifier", &Vamp::Plugin::OutputDescriptor::identifier)
 621                 .addData ("description", &Vamp::Plugin::OutputDescriptor::description)
 622                 .addData ("unit", &Vamp::Plugin::OutputDescriptor::unit)
 623                 .addData ("hasFixedBinCount", &Vamp::Plugin::OutputDescriptor::hasFixedBinCount)
 624                 .addData ("binCount", &Vamp::Plugin::OutputDescriptor::binCount)
 625                 .addData ("binNames", &Vamp::Plugin::OutputDescriptor::binNames)
 626                 .addData ("hasKnownExtents", &Vamp::Plugin::OutputDescriptor::hasKnownExtents)
 627                 .addData ("minValue", &Vamp::Plugin::OutputDescriptor::minValue)
 628                 .addData ("maxValue", &Vamp::Plugin::OutputDescriptor::maxValue)
 629                 .addData ("isQuantized", &Vamp::Plugin::OutputDescriptor::isQuantized)
 630                 .addData ("quantizeStep", &Vamp::Plugin::OutputDescriptor::quantizeStep)
 631                 .addData ("sampleType", &Vamp::Plugin::OutputDescriptor::sampleType)
 632                 .addData ("sampleRate", &Vamp::Plugin::OutputDescriptor::sampleRate)
 633                 .addData ("hasDuration", &Vamp::Plugin::OutputDescriptor::hasDuration)
 634                 .endClass ()
 635
 636                 /* Vamp::Plugin enums */
 637                 .beginNamespace ("InputDomain")
 638                 .addConst ("TimeDomain", Vamp::Plugin::InputDomain(Vamp::Plugin::TimeDomain))
 639                 .addConst ("FrequencyDomain", Vamp::Plugin::InputDomain(Vamp::Plugin::FrequencyDomain))
 640                 .endNamespace ()
 641
 642                 /* Vamp::Plugin::OutputDescriptor enum */
 643                 .beginNamespace ("OutputDescriptor")
 644                 .beginNamespace ("SampleType")
 645                 .addConst ("OneSamplePerStep", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::OneSamplePerStep))
 646                 .addConst ("FixedSampleRate", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::FixedSampleRate))
 647                 .addConst ("VariableSampleRate", Vamp::Plugin::OutputDescriptor::SampleType(Vamp::Plugin::OutputDescriptor::VariableSampleRate))
 648                 .endNamespace ()
 649                 .endNamespace () /* Vamp::Plugin::OutputDescriptor */
 650
 651                 .beginClass<Vamp::Plugin::Feature> ("Feature")
 652                 .addData ("hasTimestamp", &Vamp::Plugin::Feature::hasTimestamp, false)
 653                 .addData ("timestamp", &Vamp::Plugin::Feature::timestamp, false)
 654                 .addData ("hasDuration", &Vamp::Plugin::Feature::hasDuration, false)
 655                 .addData ("duration", &Vamp::Plugin::Feature::duration, false)
 656                 .addData ("values", &Vamp::Plugin::Feature::values, false)
 657                 .addData ("label", &Vamp::Plugin::Feature::label, false)
 658                 .endClass ()
 659
 660                 .beginStdVector <Vamp::Plugin::OutputDescriptor> ("OutputList")
 661                 .endClass ()
 662
 663                 .beginStdVector <Vamp::Plugin::Feature> ("FeatureList")
 664                 .endClass ()
 665
 666                 .beginStdMap <int, Vamp::Plugin::FeatureList> ("FeatureSet")
 667                 .endClass ()
 668
 669                 .endNamespace () // Vamp::Plugin
 670                 .endNamespace ();// Vamp
 671
 672         luabridge::getGlobalNamespace (L)
 673                 .beginNamespace ("ARDOUR")
 674
 675                 .beginClass <InterThreadInfo> ("InterThreadInfo")
 676                 .addVoidConstructor ()
 677                 .addData ("done", const_cast<bool InterThreadInfo::*>(&InterThreadInfo::done))
 678 #if 0 // currently unused, lua is single-threaded, no custom UIs.
 679                 .addData ("cancel", (bool InterThreadInfo::*)&InterThreadInfo::cancel)
 680 #endif
 681                 .addData ("progress", const_cast<float InterThreadInfo::*>(&InterThreadInfo::progress))
 682                 .endClass ()
 683
 684                 .beginClass <Progress> ("Progress")
 685                 .endClass ()
 686
 687                 .beginClass <MusicFrame> ("MusicFrame")
 688                 .addConstructor <void (*) (framepos_t, int32_t)> ()
 689                 .addFunction ("set", &MusicFrame::set)
 690                 .addData ("frame", &MusicFrame::frame)
 691                 .addData ("division", &MusicFrame::division)
 692                 .endClass ()
 693
 694                 .beginClass <AudioRange> ("AudioRange")
 695                 .addConstructor <void (*) (framepos_t, framepos_t, uint32_t)> ()
 696                 .addFunction ("length", &AudioRange::length)
 697                 .addFunction ("equal", &AudioRange::equal)
 698                 .addData ("start", &AudioRange::start)
 699                 .addData ("_end", &AudioRange::end) // XXX "end" is a lua reserved word
 700                 .addData ("id", &AudioRange::id)
 701                 .endClass ()
 702
 703                 .beginWSPtrClass <PluginInfo> ("PluginInfo")
 704                 .addNilPtrConstructor ()
 705                 .addData ("name", &PluginInfo::name, false)
 706                 .addData ("category", &PluginInfo::category, false)
 707                 .addData ("creator", &PluginInfo::creator, false)
 708                 .addData ("path", &PluginInfo::path, false)
 709                 .addData ("n_inputs", &PluginInfo::n_inputs, false)
 710                 .addData ("n_outputs", &PluginInfo::n_outputs, false)
 711                 .addData ("type", &PluginInfo::type, false)
 712                 .addData ("unique_id", &PluginInfo::unique_id, false)
 713                 .addFunction ("is_instrument", &PluginInfo::is_instrument)
 714                 .addFunction ("get_presets", &PluginInfo::get_presets)
 715                 .endClass ()
 716
 717                 .beginNamespace ("Route")
 718                 .beginClass <Route::ProcessorStreams> ("ProcessorStreams")
 719                 .addVoidConstructor ()
 720                 .endClass ()
 721                 .endNamespace ()
 722
 723                 .beginClass <ChanMapping> ("ChanMapping")
 724                 .addVoidConstructor ()
 725                 .addFunction ("get", static_cast<uint32_t(ChanMapping::*)(DataType, uint32_t) const>(&ChanMapping::get))
 726                 .addFunction ("set", &ChanMapping::set)
 727                 .addFunction ("count", &ChanMapping::count)
 728                 .addFunction ("n_total", &ChanMapping::n_total)
 729                 .addFunction ("is_monotonic", &ChanMapping::is_monotonic)
 730                 .addConst ("Invalid", 4294967295U) // UINT32_MAX
 731                 .endClass ()
 732
 733                 .beginNamespace ("Properties")
 734                 // templated class definitions
 735                 .beginClass <PBD::PropertyDescriptor<bool> > ("BoolProperty").endClass ()
 736                 .beginClass <PBD::PropertyDescriptor<float> > ("FloatProperty").endClass ()
 737                 .beginClass <PBD::PropertyDescriptor<framepos_t> > ("FrameposProperty").endClass ()
 738                 // actual references (TODO: also expose GQuark for std::set)
 739                 //   ardour/region.h
 740                 .addConst ("Start", &ARDOUR::Properties::start)
 741                 .addConst ("Length", &ARDOUR::Properties::length)
 742                 .addConst ("Position", &ARDOUR::Properties::position)
 743                 .endNamespace ()
 744
 745                 .beginClass <PBD::PropertyChange> ("PropertyChange")
 746                 // TODO add special handling (std::set<PropertyID>), PropertyID is a GQuark.
 747                 // -> direct map to lua table  beginStdSet()A
 748                 //
 749                 // expand templated PropertyDescriptor<T>
 750                 .addFunction ("containsBool", &PBD::PropertyChange::contains<bool>)
 751                 .addFunction ("containsFloat", &PBD::PropertyChange::contains<float>)
 752                 .addFunction ("containsFramePos", &PBD::PropertyChange::contains<framepos_t>)
 753                 .endClass ()
 754
 755                 .beginClass <PBD::PropertyList> ("PropertyList")
 756                 // is-a  std::map<PropertyID, PropertyBase*>
 757                 .endClass ()
 758
 759                 .deriveClass <PBD::OwnedPropertyList, PBD::PropertyList> ("OwnedPropertyList")
 760                 .endClass ()
 761
 762                 .beginWSPtrClass <AutomationList> ("AutomationList")
 763                 .addCast<PBD::Stateful> ("to_stateful")
 764                 .addCast<PBD::StatefulDestructible> ("to_statefuldestructible")
 765                 .addCast<Evoral::ControlList> ("list")
 766                 .addFunction ("get_state", &AutomationList::get_state)
 767                 .addFunction ("memento_command", &AutomationList::memento_command)
 768                 .addFunction ("touching", &AutomationList::touching)
 769                 .addFunction ("writing", &AutomationList::writing)
 770                 .addFunction ("touch_enabled", &AutomationList::touch_enabled)
 771                 .endClass ()
 772
 773                 .deriveClass <Location, PBD::StatefulDestructible> ("Location")
 774                 .addFunction ("name", &Location::name)
 775                 .addFunction ("locked", &Location::locked)
 776                 .addFunction ("lock", &Location::lock)
 777                 .addFunction ("unlock", &Location::unlock)
 778                 .addFunction ("start", &Location::start)
 779                 .addFunction ("_end", &Location::end) // XXX "end" is a lua reserved word
 780                 .addFunction ("length", &Location::length)
 781                 .addFunction ("set_start", &Location::set_start)
 782                 .addFunction ("set_end", &Location::set_end)
 783                 .addFunction ("set_length", &Location::set)
 784                 .addFunction ("move_to", &Location::move_to)
 785                 .addFunction ("matches", &Location::matches)
 786                 .addFunction ("flags", &Location::flags)
 787                 .addFunction ("is_auto_punch", &Location::is_auto_punch)
 788                 .addFunction ("is_auto_loop", &Location::is_auto_loop)
 789                 .addFunction ("is_mark", &Location::is_mark)
 790                 .addFunction ("is_hidden", &Location::is_hidden)
 791                 .addFunction ("is_cd_marker", &Location::is_cd_marker)
 792                 .addFunction ("is_session_range", &Location::is_session_range)
 793                 .addFunction ("is_range_marker", &Location::is_range_marker)
 794                 .endClass ()
 795
 796                 .deriveClass <Locations, PBD::StatefulDestructible> ("Locations")
 797                 .addFunction ("list", static_cast<Locations::LocationList (Locations::*)()>(&Locations::list))
 798                 .addFunction ("auto_loop_location", &Locations::auto_loop_location)
 799                 .addFunction ("auto_punch_location", &Locations::auto_punch_location)
 800                 .addFunction ("session_range_location", &Locations::session_range_location)
 801                 .addFunction ("first_mark_after", &Locations::first_mark_after)
 802                 .addFunction ("first_mark_before", &Locations::first_mark_before)
 803                 .addFunction ("first_mark_at", &Locations::mark_at)
 804                 .addFunction ("remove", &Locations::remove)
 805                 .addRefFunction ("marks_either_side", &Locations::marks_either_side)
 806                 .addRefFunction ("find_all_between", &Locations::find_all_between)
 807                 .endClass ()
 808
 809                 .beginWSPtrClass <SessionObject> ("SessionObjectPtr")
 810                 /* SessionObject is-a PBD::StatefulDestructible,
 811                  * but multiple inheritance is not covered by luabridge,
 812                  * we need explicit casts */
 813                 .addCast<PBD::Stateful> ("to_stateful")
 814                 .addCast<PBD::StatefulDestructible> ("to_statefuldestructible")
 815                 .addFunction ("name", &SessionObject::name)
 816                 .endClass ()
 817
 818                 .beginClass <SessionObject> ("SessionObject")
 819                 .addFunction ("name", &SessionObject::name)
 820                 .addCast<PBD::Stateful> ("to_stateful")
 821                 .endClass ()
 822
 823                 .beginWSPtrClass <Port> ("Port")
 824                 .addCast<MidiPort> ("to_midiport")
 825                 .addCast<AudioPort> ("to_audioport")
 826                 .addFunction ("name", &Port::name)
 827                 .addFunction ("pretty_name", &Port::pretty_name)
 828                 .addFunction ("receives_input", &Port::receives_input)
 829                 .addFunction ("sends_output", &Port::sends_output)
 830                 .addFunction ("connected", &Port::connected)
 831                 .addFunction ("disconnect_all", &Port::disconnect_all)
 832                 .addFunction ("connected_to", (bool (Port::*)(std::string const &)const)&Port::connected_to)
 833                 .addFunction ("connect", (int (Port::*)(std::string const &))&Port::connect)
 834                 .addFunction ("disconnect", (int (Port::*)(std::string const &))&Port::disconnect)
 835                 //.addStaticFunction ("port_offset", &Port::port_offset) // static
 836                 .endClass ()
 837
 838                 .deriveWSPtrClass <AudioPort, Port> ("AudioPort")
 839                 .endClass ()
 840
 841                 .deriveWSPtrClass <MidiPort, Port> ("MidiPort")
 842                 .addFunction ("input_active", &MidiPort::input_active)
 843                 .addFunction ("set_input_active", &MidiPort::set_input_active)
 844                 .addFunction ("get_midi_buffer", &MidiPort::get_midi_buffer) // DSP only
 845                 .endClass ()
 846
 847                 .beginWSPtrClass <PortSet> ("PortSet")
 848                 .addFunction ("num_ports", (size_t (PortSet::*)(DataType)const)&PortSet::num_ports)
 849                 .addFunction ("add", &PortSet::add)
 850                 .addFunction ("remove", &PortSet::remove)
 851                 .addFunction ("port", (boost::shared_ptr<Port> (PortSet::*)(DataType, size_t)const)&PortSet::port)
 852                 .addFunction ("contains", &PortSet::contains)
 853                 .addFunction ("clear", &PortSet::clear)
 854                 .addFunction ("empty", &PortSet::empty)
 855                 .endClass ()
 856
 857                 .deriveWSPtrClass <IO, SessionObject> ("IO")
 858                 .addFunction ("active", &IO::active)
 859                 .addFunction ("add_port", &IO::add_port)
 860                 .addFunction ("remove_port", &IO::remove_port)
 861                 .addFunction ("connect", &IO::connect)
 862                 .addFunction ("disconnect", (int (IO::*)(boost::shared_ptr<Port>, std::string, void *))&IO::disconnect)
 863                 .addFunction ("disconnect_all", (int (IO::*)(void *))&IO::disconnect)
 864                 .addFunction ("physically_connected", &IO::physically_connected)
 865                 .addFunction ("has_port", &IO::has_port)
 866                 .addFunction ("nth", &IO::nth)
 867                 .addFunction ("audio", &IO::audio)
 868                 .addFunction ("midi", &IO::midi)
 869                 .addFunction ("port_by_name", &IO::nth)
 870                 .addFunction ("n_ports", &IO::n_ports)
 871                 .endClass ()
 872
 873                 .deriveWSPtrClass <PannerShell, SessionObject> ("PannerShell")
 874                 .addFunction ("bypassed", &PannerShell::bypassed)
 875                 .addFunction ("set_bypassed", &PannerShell::set_bypassed)
 876                 .endClass ()
 877
 878                 .deriveClass <RouteGroup, SessionObject> ("RouteGroup")
 879                 .addFunction ("is_active", &RouteGroup::is_active)
 880                 .addFunction ("is_relative", &RouteGroup::is_relative)
 881                 .addFunction ("is_hidden", &RouteGroup::is_hidden)
 882                 .addFunction ("is_gain", &RouteGroup::is_gain)
 883                 .addFunction ("is_mute", &RouteGroup::is_mute)
 884                 .addFunction ("is_solo", &RouteGroup::is_solo)
 885                 .addFunction ("is_recenable", &RouteGroup::is_recenable)
 886                 .addFunction ("is_select", &RouteGroup::is_select)
 887                 .addFunction ("is_route_active", &RouteGroup::is_route_active)
 888                 .addFunction ("is_color", &RouteGroup::is_color)
 889                 .addFunction ("is_monitoring", &RouteGroup::is_monitoring)
 890                 .addFunction ("group_master_number", &RouteGroup::group_master_number)
 891                 .addFunction ("empty", &RouteGroup::empty)
 892                 .addFunction ("size", &RouteGroup::size)
 893                 .addFunction ("set_active", &RouteGroup::set_active)
 894                 .addFunction ("set_relative", &RouteGroup::set_relative)
 895                 .addFunction ("set_hidden", &RouteGroup::set_hidden)
 896                 .addFunction ("set_gain", &RouteGroup::set_gain)
 897                 .addFunction ("set_mute", &RouteGroup::set_mute)
 898                 .addFunction ("set_solo", &RouteGroup::set_solo)
 899                 .addFunction ("set_recenable", &RouteGroup::set_recenable)
 900                 .addFunction ("set_select", &RouteGroup::set_select)
 901                 .addFunction ("set_route_active", &RouteGroup::set_route_active)
 902                 .addFunction ("set_color", &RouteGroup::set_color)
 903                 .addFunction ("set_monitoring", &RouteGroup::set_monitoring)
 904                 .addFunction ("add", &RouteGroup::add)
 905                 .addFunction ("remove", &RouteGroup::remove)
 906                 .addFunction ("clear", &RouteGroup::clear)
 907                 .addFunction ("has_subgroup", &RouteGroup::has_subgroup)
 908                 .addFunction ("make_subgroup", &RouteGroup::make_subgroup)
 909                 .addFunction ("destroy_subgroup", &RouteGroup::destroy_subgroup)
 910                 .addFunction ("route_list", &RouteGroup::route_list)
 911                 .endClass ()
 912
 913                 .deriveClass <PresentationInfo, PBD::Stateful> ("PresentationInfo")
 914                 .addFunction ("color", &PresentationInfo::color)
 915                 .addFunction ("set_color", &PresentationInfo::set_color)
 916                 .addFunction ("order", &PresentationInfo::order)
 917                 .addConst ("max_order", ARDOUR::PresentationInfo::max_order)
 918                 .endClass ()
 919
 920                 .deriveWSPtrClass <Stripable, SessionObject> ("Stripable")
 921                 .addCast<Route> ("to_route")
 922                 .addFunction ("is_auditioner", &Stripable::is_auditioner)
 923                 .addFunction ("is_master", &Stripable::is_master)
 924                 .addFunction ("is_monitor", &Stripable::is_monitor)
 925                 .addFunction ("is_hidden", &Stripable::is_hidden)
 926                 .addFunction ("is_selected", &Stripable::is_selected)
 927                 .addFunction ("gain_control", &Stripable::gain_control)
 928                 .addFunction ("solo_control", &Stripable::solo_control)
 929                 .addFunction ("solo_isolate_control", &Stripable::solo_isolate_control)
 930                 .addFunction ("solo_safe_control", &Stripable::solo_safe_control)
 931                 .addFunction ("mute_control", &Stripable::mute_control)
 932                 .addFunction ("phase_control", &Stripable::phase_control)
 933                 .addFunction ("trim_control", &Stripable::trim_control)
 934                 .addFunction ("rec_enable_control", &Stripable::rec_enable_control)
 935                 .addFunction ("rec_safe_control", &Stripable::rec_safe_control)
 936                 .addFunction ("pan_azimuth_control", &Stripable::pan_azimuth_control)
 937                 .addFunction ("pan_elevation_control", &Stripable::pan_elevation_control)
 938                 .addFunction ("pan_width_control", &Stripable::pan_width_control)
 939                 .addFunction ("pan_frontback_control", &Stripable::pan_frontback_control)
 940                 .addFunction ("pan_lfe_control", &Stripable::pan_lfe_control)
 941                 .addFunction ("send_level_control", &Stripable::send_level_controllable)
 942                 .addFunction ("send_enable_control", &Stripable::send_level_controllable)
 943                 .addFunction ("send_name", &Stripable::send_name)
 944                 .addFunction ("monitor_control", &Stripable::monitor_control)
 945                 .addFunction ("master_send_enable_control ", &Stripable::master_send_enable_controllable )
 946                 .addFunction ("comp_enable_control ", &Stripable::comp_enable_controllable )
 947                 .addFunction ("comp_threshold_control ", &Stripable::comp_threshold_controllable )
 948                 .addFunction ("comp_speed_control ", &Stripable::comp_speed_controllable )
 949                 .addFunction ("comp_mode_control ", &Stripable::comp_mode_controllable )
 950                 .addFunction ("comp_makeup_control ", &Stripable::comp_makeup_controllable )
 951                 .addFunction ("comp_redux_control ", &Stripable::comp_redux_controllable )
 952                 .addFunction ("comp_mode_name", &Stripable::comp_mode_name)
 953                 .addFunction ("comp_speed_name", &Stripable::comp_speed_name)
 954                 .addFunction ("eq_band_cnt ", &Stripable::eq_band_cnt)
 955                 .addFunction ("eq_band_name", &Stripable::eq_band_name)
 956                 .addFunction ("eq_gain_control", &Stripable::eq_gain_controllable)
 957                 .addFunction ("eq_freq_control ", &Stripable::eq_freq_controllable )
 958                 .addFunction ("eq_q_control ", &Stripable::eq_q_controllable )
 959                 .addFunction ("eq_shape_control ", &Stripable::eq_shape_controllable )
 960                 .addFunction ("eq_enable_control ", &Stripable::eq_enable_controllable )
 961                 .addFunction ("eq_hpf_control ", &Stripable::eq_hpf_controllable )
 962                 .addFunction ("set_presentation_order", &Stripable::set_presentation_order)
 963                 .addFunction ("presentation_info_ptr", &Stripable::presentation_info_ptr)
 964
 965                 .endClass ()
 966
 967                 .deriveWSPtrClass <Route, Stripable> ("Route")
 968                 .addCast<Track> ("to_track")
 969                 .addCast<Automatable> ("to_automatable")
 970                 .addFunction ("set_name", &Route::set_name)
 971                 .addFunction ("comment", &Route::comment)
 972                 .addFunction ("active", &Route::active)
 973                 .addFunction ("set_active", &Route::set_active)
 974                 .addFunction ("nth_plugin", &Route::nth_plugin)
 975                 .addFunction ("nth_processor", &Route::nth_processor)
 976                 .addFunction ("nth_send", &Route::nth_send)
 977                 .addFunction ("add_processor_by_index", &Route::add_processor_by_index)
 978                 .addFunction ("remove_processor", &Route::remove_processor)
 979                 .addFunction ("remove_processors", &Route::remove_processors)
 980                 .addFunction ("replace_processor", &Route::replace_processor)
 981                 .addFunction ("reorder_processors", &Route::reorder_processors)
 982                 .addFunction ("the_instrument", &Route::the_instrument)
 983                 .addFunction ("n_inputs", &Route::n_inputs)
 984                 .addFunction ("n_outputs", &Route::n_outputs)
 985                 .addFunction ("input", &Route::input)
 986                 .addFunction ("output", &Route::output)
 987                 .addFunction ("panner_shell", &Route::panner_shell)
 988                 .addFunction ("set_comment", &Route::set_comment)
 989                 .addFunction ("strict_io", &Route::strict_io)
 990                 .addFunction ("set_strict_io", &Route::set_strict_io)
 991                 .addFunction ("reset_plugin_insert", &Route::reset_plugin_insert)
 992                 .addFunction ("customize_plugin_insert", &Route::customize_plugin_insert)
 993                 .addFunction ("add_sidechain", &Route::add_sidechain)
 994                 .addFunction ("remove_sidechain", &Route::remove_sidechain)
 995                 .addFunction ("main_outs", &Route::main_outs)
 996                 .addFunction ("muted", &Route::muted)
 997                 .addFunction ("soloed", &Route::soloed)
 998                 .addFunction ("amp", &Route::amp)
 999                 .addFunction ("trim", &Route::trim)
1000                 .addFunction ("peak_meter", (boost::shared_ptr<PeakMeter> (Route::*)())&Route::peak_meter)
1001                 .addFunction ("set_meter_point", &Route::set_meter_point)
1002                 .endClass ()
1003
1004                 .deriveWSPtrClass <Playlist, SessionObject> ("Playlist")
1005                 .addCast<AudioPlaylist> ("to_audioplaylist")
1006                 .addCast<MidiPlaylist> ("to_midiplaylist")
1007                 .addFunction ("region_by_id", &Playlist::region_by_id)
1008                 .addFunction ("data_type", &Playlist::data_type)
1009                 .addFunction ("n_regions", &Playlist::n_regions)
1010                 //.addFunction ("get_extent", &Playlist::get_extent) // pair<framepos_t, framepos_t>
1011                 .addFunction ("region_list", &Playlist::region_list)
1012                 .addFunction ("add_region", &Playlist::add_region)
1013                 .addFunction ("remove_region", &Playlist::remove_region)
1014                 .addFunction ("regions_at", &Playlist::regions_at)
1015                 .addFunction ("top_region_at", &Playlist::top_region_at)
1016                 .addFunction ("top_unmuted_region_at", &Playlist::top_unmuted_region_at)
1017                 .addFunction ("find_next_transient", &Playlist::find_next_transient)
1018                 .addFunction ("find_next_region", &Playlist::find_next_region)
1019                 .addFunction ("find_next_region_boundary", &Playlist::find_next_region_boundary)
1020                 .addFunction ("count_regions_at", &Playlist::count_regions_at)
1021                 .addFunction ("regions_touched", &Playlist::regions_touched)
1022                 .addFunction ("regions_with_start_within", &Playlist::regions_with_start_within)
1023                 .addFunction ("regions_with_end_within", &Playlist::regions_with_end_within)
1024                 .addFunction ("raise_region", &Playlist::raise_region)
1025                 .addFunction ("lower_region", &Playlist::lower_region)
1026                 .addFunction ("raise_region_to_top", &Playlist::raise_region_to_top)
1027                 .addFunction ("lower_region_to_bottom", &Playlist::lower_region_to_bottom)
1028                 .addFunction ("duplicate", (void (Playlist::*)(boost::shared_ptr<Region>, framepos_t, framecnt_t, float))&Playlist::duplicate)
1029                 .addFunction ("duplicate_until", &Playlist::duplicate_until)
1030                 .addFunction ("duplicate_range", &Playlist::duplicate_range)
1031                 .addFunction ("combine", &Playlist::combine)
1032                 .addFunction ("uncombine", &Playlist::uncombine)
1033                 .addFunction ("split_region", &Playlist::split_region)
1034                 .addFunction ("split", (void (Playlist::*)(framepos_t))&Playlist::split)
1035                 .addFunction ("cut", (boost::shared_ptr<Playlist> (Playlist::*)(std::list<AudioRange>&, bool))&Playlist::cut)
1036 #if 0
1037                 .addFunction ("copy", &Playlist::copy)
1038                 .addFunction ("paste", &Playlist::paste)
1039 #endif
1040                 .endClass ()
1041
1042                 .deriveWSPtrClass <AudioPlaylist, Playlist> ("AudioPlaylist")
1043                 .addFunction ("read", &AudioPlaylist::read)
1044                 .endClass ()
1045
1046                 .deriveWSPtrClass <MidiPlaylist, Playlist> ("MidiPlaylist")
1047                 .addFunction ("set_note_mode", &MidiPlaylist::set_note_mode)
1048                 .endClass ()
1049
1050                 .deriveWSPtrClass <Track, Route> ("Track")
1051                 .addCast<AudioTrack> ("to_audio_track")
1052                 .addCast<MidiTrack> ("to_midi_track")
1053                 .addFunction ("set_name", &Track::set_name)
1054                 .addFunction ("can_record", &Track::can_record)
1055                 .addFunction ("bounceable", &Track::bounceable)
1056                 .addFunction ("bounce", &Track::bounce)
1057                 .addFunction ("bounce_range", &Track::bounce_range)
1058                 .addFunction ("playlist", &Track::playlist)
1059                 .endClass ()
1060
1061                 .deriveWSPtrClass <AudioTrack, Track> ("AudioTrack")
1062                 .endClass ()
1063
1064                 .deriveWSPtrClass <MidiTrack, Track> ("MidiTrack")
1065                 .endClass ()
1066
1067                 .beginWSPtrClass <Readable> ("Readable")
1068                 .addFunction ("read", &Readable::read)
1069                 .addFunction ("readable_length", &Readable::readable_length)
1070                 .addFunction ("n_channels", &Readable::n_channels)
1071                 .endClass ()
1072
1073                 .deriveWSPtrClass <Region, SessionObject> ("Region")
1074                 .addCast<Readable> ("to_readable")
1075                 .addCast<MidiRegion> ("to_midiregion")
1076                 .addCast<AudioRegion> ("to_audioregion")
1077                 /* properties */
1078                 .addFunction ("position", &Region::position)
1079                 .addFunction ("start", &Region::start)
1080                 .addFunction ("length", &Region::length)
1081                 .addFunction ("layer", &Region::layer)
1082                 .addFunction ("data_type", &Region::data_type)
1083                 .addFunction ("stretch", &Region::stretch)
1084                 .addFunction ("shift", &Region::shift)
1085                 .addRefFunction ("sync_offset", &Region::sync_offset)
1086                 .addFunction ("sync_position", &Region::sync_position)
1087                 .addFunction ("hidden", &Region::hidden)
1088                 .addFunction ("muted", &Region::muted)
1089                 .addFunction ("opaque", &Region::opaque)
1090                 .addFunction ("locked", &Region::locked)
1091                 .addFunction ("position_locked", &Region::position_locked)
1092                 .addFunction ("video_locked", &Region::video_locked)
1093                 .addFunction ("automatic", &Region::automatic)
1094                 .addFunction ("whole_file", &Region::whole_file)
1095                 .addFunction ("captured", &Region::captured)
1096                 .addFunction ("can_move", &Region::can_move)
1097                 .addFunction ("sync_marked", &Region::sync_marked)
1098                 .addFunction ("external", &Region::external)
1099                 .addFunction ("import", &Region::import)
1100                 .addFunction ("covers", &Region::covers)
1101                 .addFunction ("at_natural_position", &Region::at_natural_position)
1102                 .addFunction ("is_compound", &Region::is_compound)
1103
1104                 .addFunction ("has_transients", &Region::has_transients)
1105                 .addFunction ("transients", (AnalysisFeatureList (Region::*)())&Region::transients)
1106
1107                 /* editing operations */
1108                 .addFunction ("set_length", &Region::set_length)
1109                 .addFunction ("set_start", &Region::set_start)
1110                 .addFunction ("set_position", &Region::set_position)
1111                 .addFunction ("set_initial_position", &Region::set_initial_position)
1112                 .addFunction ("nudge_position", &Region::nudge_position)
1113                 .addFunction ("move_to_natural_position", &Region::move_to_natural_position)
1114                 .addFunction ("move_start", &Region::move_start)
1115                 .addFunction ("master_sources", &Region::master_sources)
1116                 .addFunction ("master_source_names", &Region::master_source_names)
1117                 .addFunction ("n_channels", &Region::n_channels)
1118                 .addFunction ("trim_front", &Region::trim_front)
1119                 .addFunction ("trim_end", &Region::trim_end)
1120                 .addFunction ("trim_to", &Region::trim_to)
1121                 .addFunction ("cut_front", &Region::cut_front)
1122                 .addFunction ("cut_end", &Region::cut_end)
1123                 .addFunction ("raise", &Region::raise)
1124                 .addFunction ("lower", &Region::lower)
1125                 .addFunction ("raise_to_top", &Region::raise_to_top)
1126                 .addFunction ("lower_to_bottom", &Region::lower_to_bottom)
1127                 .addFunction ("set_sync_position", &Region::set_sync_position)
1128                 .addFunction ("clear_sync_position", &Region::clear_sync_position)
1129                 .addFunction ("quarter_note", &Region::quarter_note)
1130                 .addFunction ("set_hidden", &Region::set_hidden)
1131                 .addFunction ("set_muted", &Region::set_muted)
1132                 .addFunction ("set_opaque", &Region::set_opaque)
1133                 .addFunction ("set_locked", &Region::set_locked)
1134                 .addFunction ("set_video_locked", &Region::set_video_locked)
1135                 .addFunction ("set_position_locked", &Region::set_position_locked)
1136                 .addFunction ("source", &Region::source)
1137                 .endClass ()
1138
1139                 .deriveWSPtrClass <MidiRegion, Region> ("MidiRegion")
1140                 .addFunction ("do_export", &MidiRegion::do_export)
1141                 .addFunction ("midi_source", &MidiRegion::midi_source)
1142                 .addFunction ("model", (boost::shared_ptr<MidiModel> (MidiRegion::*)())&MidiRegion::model)
1143                 .addFunction ("start_beats", &MidiRegion::start_beats)
1144                 .addFunction ("length_beats", &MidiRegion::length_beats)
1145                 .endClass ()
1146
1147                 .deriveWSPtrClass <AudioRegion, Region> ("AudioRegion")
1148                 .addFunction ("audio_source", &AudioRegion::audio_source)
1149                 .addFunction ("set_scale_amplitude", &AudioRegion::set_scale_amplitude)
1150                 .addFunction ("scale_amplitude", &AudioRegion::scale_amplitude)
1151                 .addFunction ("maximum_amplitude", &AudioRegion::maximum_amplitude)
1152                 .addFunction ("rms", &AudioRegion::rms)
1153                 .endClass ()
1154
1155                 .deriveWSPtrClass <Source, SessionObject> ("Source")
1156                 .addCast<AudioSource> ("to_audiosource")
1157                 .addCast<MidiSource> ("to_midisource")
1158                 .addFunction ("timestamp", &Source::timestamp)
1159                 .addFunction ("empty", &Source::empty)
1160                 .addFunction ("length", &Source::length)
1161                 .addFunction ("natural_position", &Source::natural_position)
1162                 .addFunction ("destructive", &Source::destructive)
1163                 .addFunction ("writable", &Source::writable)
1164                 .addFunction ("has_been_analysed", &Source::has_been_analysed)
1165                 .addFunction ("can_be_analysed", &Source::can_be_analysed)
1166                 .addFunction ("timeline_position", &Source::timeline_position)
1167                 .addFunction ("use_count", &Source::use_count)
1168                 .addFunction ("used", &Source::used)
1169                 .addFunction ("ancestor_name", &Source::ancestor_name)
1170                 .endClass ()
1171
1172                 .deriveWSPtrClass <MidiSource, Source> ("MidiSource")
1173                 .addFunction ("empty", &MidiSource::empty)
1174                 .addFunction ("length", &MidiSource::length)
1175                 .addFunction ("model", &MidiSource::model)
1176                 .endClass ()
1177
1178                 .deriveWSPtrClass <AudioSource, Source> ("AudioSource")
1179                 .addCast<Readable> ("to_readable")
1180                 .addFunction ("readable_length", &AudioSource::readable_length)
1181                 .addFunction ("n_channels", &AudioSource::n_channels)
1182                 .addFunction ("empty", &Source::empty)
1183                 .addFunction ("length", &Source::length)
1184                 .addFunction ("read", &AudioSource::read)
1185                 .addFunction ("sample_rate", &AudioSource::sample_rate)
1186                 .addFunction ("captured_for", &AudioSource::captured_for)
1187                 .endClass ()
1188
1189                 .deriveWSPtrClass <Automatable, Evoral::ControlSet> ("Automatable")
1190                 .addFunction ("automation_control", (boost::shared_ptr<AutomationControl>(Automatable::*)(const Evoral::Parameter&, bool))&Automatable::automation_control)
1191                 //.addFunction ("what_can_be_automated", &Automatable::what_can_be_automated)
1192                 .endClass ()
1193
1194                 .deriveWSPtrClass <AutomatableSequence<Evoral::Beats>, Automatable> ("AutomatableSequence")
1195                 .addCast<Evoral::Sequence<Evoral::Beats> > ("to_sequence")
1196                 .endClass ()
1197
1198                 .deriveWSPtrClass <MidiModel, AutomatableSequence<Evoral::Beats> > ("MidiModel")
1199                 .addFunction ("apply_command", (void (MidiModel::*)(Session*, Command*))&MidiModel::apply_command)
1200                 .addFunction ("new_note_diff_command", &MidiModel::new_note_diff_command)
1201                 .endClass ()
1202
1203                 .beginNamespace ("MidiModel")
1204                 .deriveClass<ARDOUR::MidiModel::DiffCommand, Command> ("DiffCommand")
1205                 .endClass ()
1206
1207                 .deriveClass<ARDOUR::MidiModel::NoteDiffCommand, ARDOUR::MidiModel::DiffCommand> ("NoteDiffCommand")
1208                 .addFunction ("add", &ARDOUR::MidiModel::NoteDiffCommand::add)
1209                 .addFunction ("remove", &ARDOUR::MidiModel::NoteDiffCommand::remove)
1210                 .endClass ()
1211
1212                 .endNamespace () /* ARDOUR::MidiModel */
1213
1214                 .beginClass <Plugin::PresetRecord> ("PresetRecord")
1215                 .addVoidConstructor ()
1216                 .addData ("uri", &Plugin::PresetRecord::uri, false)
1217                 .addData ("label", &Plugin::PresetRecord::label, false)
1218                 .addData ("user", &Plugin::PresetRecord::user, false)
1219                 .addData ("valid", &Plugin::PresetRecord::valid, false)
1220                 .endClass ()
1221
1222                 .beginStdVector <Plugin::PresetRecord> ("PresetVector").endClass ()
1223
1224                 .deriveClass <ParameterDescriptor, Evoral::ParameterDescriptor> ("ParameterDescriptor")
1225                 .addVoidConstructor ()
1226                 .addData ("label", &ParameterDescriptor::label)
1227                 .addData ("logarithmic", &ParameterDescriptor::logarithmic)
1228                 .addStaticFunction ("midi_note_name", &ParameterDescriptor::midi_note_name)
1229                 .endClass ()
1230
1231                 .beginStdVector <boost::shared_ptr<ARDOUR::Processor> > ("ProcessorVector").endClass ()
1232
1233                 .deriveWSPtrClass <Processor, SessionObject> ("Processor")
1234                 .addCast<Automatable> ("to_automatable")
1235                 .addCast<PluginInsert> ("to_insert") // deprecated
1236                 .addCast<PluginInsert> ("to_plugininsert")
1237                 .addCast<SideChain> ("to_sidechain")
1238                 .addCast<IOProcessor> ("to_ioprocessor")
1239                 .addCast<UnknownProcessor> ("to_unknownprocessor")
1240                 .addCast<Amp> ("to_amp")
1241                 .addCast<PeakMeter> ("to_peakmeter")
1242                 .addCast<MonitorProcessor> ("to_monitorprocessor")
1243 #if 0 // those objects are not yet bound
1244                 .addCast<CapturingProcessor> ("to_capturingprocessor")
1245                 .addCast<DelayLine> ("to_delayline")
1246 #endif
1247                 .addCast<PeakMeter> ("to_meter")
1248                 .addFunction ("display_name", &Processor::display_name)
1249                 .addFunction ("display_to_user", &Processor::display_to_user)
1250                 .addFunction ("active", &Processor::active)
1251                 .addFunction ("activate", &Processor::activate)
1252                 .addFunction ("deactivate", &Processor::deactivate)
1253                 .addFunction ("output_streams", &PluginInsert::output_streams)
1254                 .addFunction ("input_streams", &PluginInsert::input_streams)
1255                 .endClass ()
1256
1257                 .deriveWSPtrClass <IOProcessor, Processor> ("IOProcessor")
1258                 .addFunction ("natural_input_streams", &IOProcessor::natural_input_streams)
1259                 .addFunction ("natural_output_streams", &IOProcessor::natural_output_streams)
1260                 .addFunction ("input", (boost::shared_ptr<IO>(IOProcessor::*)())&IOProcessor::input)
1261                 .addFunction ("output", (boost::shared_ptr<IO>(IOProcessor::*)())&IOProcessor::output)
1262                 .endClass ()
1263
1264                 .deriveWSPtrClass <SideChain, IOProcessor> ("SideChain")
1265                 .endClass ()
1266
1267                 .deriveWSPtrClass <Delivery, IOProcessor> ("Delivery")
1268                 .addFunction ("panner_shell", &Route::panner_shell)
1269                 .endClass ()
1270
1271                 .beginNamespace ("Plugin")
1272                 .beginClass <Plugin::IOPortDescription> ("IOPortDescription")
1273                 .addData ("name", &Plugin::IOPortDescription::name)
1274                 .addData ("is_sidechain", &Plugin::IOPortDescription::is_sidechain)
1275                 .addData ("group_name", &Plugin::IOPortDescription::group_name)
1276                 .addData ("group_channel", &Plugin::IOPortDescription::group_channel)
1277                 .endClass ()
1278                 .endNamespace ()
1279
1280                 .deriveWSPtrClass <Plugin, PBD::StatefulDestructible> ("Plugin")
1281                 .addCast<LuaProc> ("to_luaproc")
1282                 .addFunction ("unique_id", &Plugin::unique_id)
1283                 .addFunction ("label", &Plugin::label)
1284                 .addFunction ("name", &Plugin::name)
1285                 .addFunction ("maker", &Plugin::maker)
1286                 .addFunction ("parameter_count", &Plugin::parameter_count)
1287                 .addRefFunction ("nth_parameter", &Plugin::nth_parameter)
1288                 .addFunction ("preset_by_label", &Plugin::preset_by_label)
1289                 .addFunction ("preset_by_uri", &Plugin::preset_by_uri)
1290                 .addFunction ("load_preset", &Plugin::load_preset)
1291                 .addFunction ("parameter_is_input", &Plugin::parameter_is_input)
1292                 .addFunction ("get_docs", &Plugin::get_docs)
1293                 .addFunction ("get_info", &Plugin::get_info)
1294                 .addFunction ("get_parameter_docs", &Plugin::get_parameter_docs)
1295                 .addFunction ("describe_io_port", &Plugin::describe_io_port)
1296                 .addRefFunction ("get_parameter_descriptor", &Plugin::get_parameter_descriptor)
1297                 .endClass ()
1298
1299                 .deriveWSPtrClass <LuaProc, Plugin> ("LuaProc")
1300                 .addFunction ("shmem", &LuaProc::instance_shm)
1301                 .addFunction ("table", &LuaProc::instance_ref)
1302                 .endClass ()
1303
1304                 .deriveWSPtrClass <PluginInsert, Processor> ("PluginInsert")
1305                 .addFunction ("plugin", &PluginInsert::plugin)
1306                 .addFunction ("activate", &PluginInsert::activate)
1307                 .addFunction ("deactivate", &PluginInsert::deactivate)
1308                 .addFunction ("strict_io_configured", &PluginInsert::strict_io_configured)
1309                 .addFunction ("input_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::input_map)
1310                 .addFunction ("output_map", (ARDOUR::ChanMapping (PluginInsert::*)(uint32_t) const)&PluginInsert::output_map)
1311                 .addFunction ("set_input_map", &PluginInsert::set_input_map)
1312                 .addFunction ("set_output_map", &PluginInsert::set_output_map)
1313                 .addFunction ("natural_output_streams", &PluginInsert::natural_output_streams)
1314                 .addFunction ("natural_input_streams", &PluginInsert::natural_input_streams)
1315                 .addFunction ("reset_parameters_to_default", &PluginInsert::reset_parameters_to_default)
1316                 .endClass ()
1317
1318                 .deriveWSPtrClass <AutomationControl, PBD::Controllable> ("AutomationControl")
1319                 .addCast<Evoral::Control> ("to_ctrl")
1320                 .addFunction ("automation_state", &AutomationControl::automation_state)
1321                 .addFunction ("automation_style", &AutomationControl::automation_style)
1322                 .addFunction ("set_automation_state", &AutomationControl::set_automation_state)
1323                 .addFunction ("set_automation_style", &AutomationControl::set_automation_style)
1324                 .addFunction ("start_touch", &AutomationControl::start_touch)
1325                 .addFunction ("stop_touch", &AutomationControl::stop_touch)
1326                 .addFunction ("get_value", &AutomationControl::get_value)
1327                 .addFunction ("set_value", &AutomationControl::set_value)
1328                 .addFunction ("writable", &AutomationControl::writable)
1329                 .addFunction ("alist", &AutomationControl::alist)
1330                 .endClass ()
1331
1332                 .deriveWSPtrClass <SlavableAutomationControl, AutomationControl> ("SlavableAutomationControl,")
1333                 .addFunction ("add_master", &SlavableAutomationControl::add_master)
1334                 .addFunction ("remove_master", &SlavableAutomationControl::remove_master)
1335                 .addFunction ("clear_masters", &SlavableAutomationControl::clear_masters)
1336                 .addFunction ("slaved_to", &SlavableAutomationControl::slaved_to)
1337                 .addFunction ("slaved", &SlavableAutomationControl::slaved)
1338                 .addFunction ("get_masters_value", &SlavableAutomationControl::get_masters_value)
1339                 .addFunction ("get_boolean_masters", &SlavableAutomationControl::get_boolean_masters)
1340                 //.addFunction ("masters", &SlavableAutomationControl::masters) // not implemented
1341                 .endClass ()
1342
1343                 .deriveWSPtrClass <PhaseControl, AutomationControl> ("PhaseControl")
1344                 .addFunction ("set_phase_invert", (void(PhaseControl::*)(uint32_t, bool))&PhaseControl::set_phase_invert)
1345                 .addFunction ("inverted", &PhaseControl::inverted)
1346                 .endClass ()
1347
1348                 .deriveWSPtrClass <GainControl, SlavableAutomationControl> ("GainControl")
1349                 .endClass ()
1350
1351                 .deriveWSPtrClass <SoloControl, SlavableAutomationControl> ("SoloControl")
1352                 .addFunction ("can_solo", &SoloControl::can_solo)
1353                 .addFunction ("soloed", &SoloControl::soloed)
1354                 .addFunction ("self_soloed", &SoloControl::self_soloed)
1355                 .endClass ()
1356
1357                 .deriveWSPtrClass <MuteControl, SlavableAutomationControl> ("MuteControl")
1358                 .addFunction ("muted", &MuteControl::muted)
1359                 .addFunction ("muted_by_self", &MuteControl::muted_by_self)
1360                 .endClass ()
1361
1362                 .deriveWSPtrClass <SoloIsolateControl, SlavableAutomationControl> ("SoloIsolateControl")
1363                 .addFunction ("solo_isolated", &SoloIsolateControl::solo_isolated)
1364                 .addFunction ("self_solo_isolated", &SoloIsolateControl::self_solo_isolated)
1365                 .endClass ()
1366
1367                 .deriveWSPtrClass <SoloSafeControl, SlavableAutomationControl> ("SoloSafeControl")
1368                 .addFunction ("solo_safe", &SoloSafeControl::solo_safe)
1369                 .endClass ()
1370
1371                 .deriveWSPtrClass <Amp, Processor> ("Amp")
1372                 .addFunction ("gain_control", (boost::shared_ptr<GainControl>(Amp::*)())&Amp::gain_control)
1373                 .endClass ()
1374
1375                 .deriveWSPtrClass <PeakMeter, Processor> ("PeakMeter")
1376                 .addFunction ("meter_level", &PeakMeter::meter_level)
1377                 .addFunction ("set_type", &PeakMeter::set_type)
1378                 .addFunction ("reset_max", &PeakMeter::reset_max)
1379                 .endClass ()
1380
1381                 .deriveWSPtrClass <MonitorProcessor, Processor> ("MonitorProcessor")
1382                 .addFunction ("set_cut_all", &MonitorProcessor::set_cut_all)
1383                 .addFunction ("set_dim_all", &MonitorProcessor::set_dim_all)
1384                 .addFunction ("set_polarity", &MonitorProcessor::set_polarity)
1385                 .addFunction ("set_cut", &MonitorProcessor::set_cut)
1386                 .addFunction ("set_dim", &MonitorProcessor::set_dim)
1387                 .addFunction ("set_solo", &MonitorProcessor::set_solo)
1388                 .addFunction ("set_mono", &MonitorProcessor::set_mono)
1389                 .addFunction ("dim_level", &MonitorProcessor::dim_level)
1390                 .addFunction ("solo_boost_level", &MonitorProcessor::solo_boost_level)
1391                 .addFunction ("dimmed", &MonitorProcessor::dimmed)
1392                 .addFunction ("soloed", &MonitorProcessor::soloed)
1393                 .addFunction ("inverted", &MonitorProcessor::inverted)
1394                 .addFunction ("cut", &MonitorProcessor::cut)
1395                 .addFunction ("cut_all", &MonitorProcessor::cut_all)
1396                 .addFunction ("dim_all", &MonitorProcessor::dim_all)
1397                 .addFunction ("mono", &MonitorProcessor::mono)
1398                 .addFunction ("monitor_active", &MonitorProcessor::monitor_active)
1399                 .addFunction ("channel_cut_control", &MonitorProcessor::channel_cut_control)
1400                 .addFunction ("channel_dim_control", &MonitorProcessor::channel_dim_control)
1401                 .addFunction ("channel_polarity_control", &MonitorProcessor::channel_polarity_control)
1402                 .addFunction ("channel_solo_control", &MonitorProcessor::channel_solo_control)
1403                 .addFunction ("dim_control", &MonitorProcessor::dim_control)
1404                 .addFunction ("cut_control", &MonitorProcessor::cut_control)
1405                 .addFunction ("mono_control", &MonitorProcessor::mono_control)
1406                 .addFunction ("dim_level_control", &MonitorProcessor::dim_level_control)
1407                 .addFunction ("solo_boost_control", &MonitorProcessor::solo_boost_control)
1408                 .endClass ()
1409
1410                 .deriveWSPtrClass <UnknownProcessor, Processor> ("UnknownProcessor")
1411                 .endClass ()
1412
1413                 .deriveWSPtrClass <PluginInsert::PluginControl, AutomationControl> ("PluginControl")
1414                 .endClass ()
1415
1416                 .deriveWSPtrClass <AudioSource, Source> ("AudioSource")
1417                 .addFunction ("readable_length", &AudioSource::readable_length)
1418                 .addFunction ("n_channels", &AudioSource::n_channels)
1419                 .endClass ()
1420
1421                 // <std::list<boost::shared_ptr <AudioTrack> >
1422                 .beginStdList <boost::shared_ptr<AudioTrack> > ("AudioTrackList")
1423                 .endClass ()
1424
1425                 // std::list<boost::shared_ptr <MidiTrack> >
1426                 .beginStdList <boost::shared_ptr<MidiTrack> > ("MidiTrackList")
1427                 .endClass ()
1428
1429                 // RouteList == std::list<boost::shared_ptr<Route> >
1430                 .beginConstStdList <boost::shared_ptr<Route> > ("RouteList")
1431                 .endClass ()
1432
1433                 // boost::shared_ptr<RouteList>
1434                 .beginPtrStdList <boost::shared_ptr<Route> > ("RouteListPtr")
1435                 .addVoidPtrConstructor<std::list<boost::shared_ptr <Route> > > ()
1436                 .endClass ()
1437
1438                 // typedef std::list<boost::weak_ptr <Route> > WeakRouteList
1439                 .beginConstStdList <boost::weak_ptr<Route> > ("WeakRouteList")
1440                 .endClass ()
1441
1442                 // RouteGroupList == std::list<RouteGroup*>
1443                 .beginConstStdCPtrList <RouteGroup> ("RouteGroupList")
1444                 .endClass ()
1445
1446                 // typedef std::vector<boost::shared_ptr<Source> > Region::SourceList
1447                 .beginStdVector <boost::shared_ptr<Source> > ("SourceList")
1448                 .endClass ()
1449
1450                 // std::list< boost::weak_ptr <AudioSource> >
1451                 .beginConstStdList <boost::weak_ptr<AudioSource> > ("WeakAudioSourceList")
1452                 .endClass ()
1453
1454                 // typedef std::list<boost::shared_ptr<Region> > RegionList
1455                 .beginConstStdList <boost::shared_ptr<Region> > ("RegionList")
1456                 .endClass ()
1457
1458                 // boost::shared_ptr <std::list<boost::shared_ptr<Region> > >
1459                 .beginPtrStdList <boost::shared_ptr<Region> > ("RegionListPtr")
1460                 .addVoidPtrConstructor<std::list<boost::shared_ptr <Region> > > ()
1461                 .endClass ()
1462
1463                 // typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
1464                 .beginStdList <boost::shared_ptr<Processor> > ("ProcessorList")
1465                 .endClass ()
1466
1467                 //std::list<boost::shared_ptr<Port> > PortList;
1468                 .beginConstStdList <boost::shared_ptr<Port> > ("PortList")
1469                 .endClass ()
1470
1471                 // used by Playlist::cut/copy
1472                 .beginConstStdList <AudioRange> ("AudioRangeList")
1473                 .endClass ()
1474
1475                 .beginConstStdList <Location*> ("LocationList")
1476                 .endClass ()
1477
1478                 // std::list<boost::shared_ptr<AutomationControl> > ControlList;
1479                 .beginStdList <boost::shared_ptr<AutomationControl> > ("ControlList")
1480                 .endClass ()
1481
1482                 .beginPtrStdList <boost::shared_ptr<AutomationControl> > ("ControlListPtr")
1483                 .addVoidPtrConstructor<std::list<boost::shared_ptr <AutomationControl> > > ()
1484                 .endClass ()
1485
1486                 .beginStdList <boost::shared_ptr<Evoral::Note<Evoral::Beats> > > ("NotePtrList")
1487                 .endClass ()
1488
1489 #if 0  // depends on Evoal:: Note, Beats see note_fixer.h
1490         // typedef Evoral::Note<Evoral::Beats> Note;
1491         // std::set< boost::weak_ptr<Note> >
1492                 .beginStdSet <boost::weak_ptr<Note> > ("WeakNoteSet")
1493                 .endClass ()
1494 #endif
1495
1496         // std::list<boost::weak_ptr<Source> >
1497                 .beginConstStdList <boost::weak_ptr<Source> > ("WeakSourceList")
1498                 .endClass ()
1499
1500                 .beginClass <Tempo> ("Tempo")
1501                 .addConstructor <void (*) (double, double, double)> ()
1502                 .addFunction ("note_type", &Tempo::note_type)
1503                 .addFunction ("note_types_per_minute",  (double (Tempo::*)() const)&Tempo::note_types_per_minute)
1504                 .addFunction ("quarter_notes_per_minute", &Tempo::quarter_notes_per_minute)
1505                 .addFunction ("frames_per_quarter_note", &Tempo::frames_per_quarter_note)
1506                 .addFunction ("frames_per_note_type", &Tempo::frames_per_note_type)
1507                 .endClass ()
1508
1509                 .beginClass <Meter> ("Meter")
1510                 .addConstructor <void (*) (double, double)> ()
1511                 .addFunction ("divisions_per_bar", &Meter::divisions_per_bar)
1512                 .addFunction ("note_divisor", &Meter::note_divisor)
1513                 .addFunction ("frames_per_bar", &Meter::frames_per_bar)
1514                 .addFunction ("frames_per_grid", &Meter::frames_per_grid)
1515                 .endClass ()
1516
1517                 .beginClass <BeatsFramesConverter> ("BeatsFramesConverter")
1518                 .addConstructor <void (*) (const TempoMap&, framepos_t)> ()
1519                 .addFunction ("to", &BeatsFramesConverter::to)
1520                 .addFunction ("from", &BeatsFramesConverter::from)
1521                 .endClass ()
1522
1523                 .beginClass <TempoMap> ("TempoMap")
1524                 .addFunction ("add_tempo", &TempoMap::add_tempo)
1525                 .addFunction ("add_meter", &TempoMap::add_meter)
1526                 .addFunction ("tempo_section_at_frame", (TempoSection& (TempoMap::*)(framepos_t))&TempoMap::tempo_section_at_frame)
1527                 .addFunction ("tempo_section_at_frame", (const TempoSection& (TempoMap::*)(framepos_t) const)&TempoMap::tempo_section_at_frame)
1528                 .addFunction ("meter_section_at_frame", &TempoMap::meter_section_at_frame)
1529                 .addFunction ("meter_section_at_beat", &TempoMap::meter_section_at_beat)
1530                 .addFunction ("bbt_at_frame", &TempoMap::bbt_at_frame)
1531                 .addFunction ("exact_beat_at_frame", &TempoMap::exact_beat_at_frame)
1532                 .addFunction ("exact_qn_at_frame", &TempoMap::exact_qn_at_frame)
1533                 .addFunction ("framepos_plus_qn", &TempoMap::framepos_plus_qn)
1534                 .addFunction ("framewalk_to_qn", &TempoMap::framewalk_to_qn)
1535                 .endClass ()
1536
1537                 .beginClass <MetricSection> ("MetricSection")
1538                 .addFunction ("pulse", &MetricSection::pulse)
1539                 .addFunction ("set_pulse", &MetricSection::set_pulse)
1540                 .endClass ()
1541
1542                 .deriveClass <TempoSection, MetricSection> ("TempoSection")
1543                 .addFunction ("c", (double(TempoSection::*)()const)&TempoSection::c)
1544                 .endClass ()
1545
1546                 .deriveClass <MeterSection, MetricSection> ("MeterSection")
1547                 .addCast<Meter> ("to_meter")
1548                 .addFunction ("set_pulse", &MeterSection::set_pulse)
1549                 .addFunction ("set_beat", (void(MeterSection::*)(double))&MeterSection::set_beat)
1550                 .endClass ()
1551
1552                 .beginClass <ChanCount> ("ChanCount")
1553                 .addConstructor <void (*) (DataType, uint32_t)> ()
1554                 .addFunction ("get", &ChanCount::get)
1555                 .addFunction ("set", &ChanCount::set)
1556                 .addFunction ("n_audio", &ChanCount::n_audio)
1557                 .addFunction ("n_midi", &ChanCount::n_midi)
1558                 .addFunction ("n_total", &ChanCount::n_total)
1559                 .addFunction ("reset", &ChanCount::reset)
1560                 .endClass()
1561
1562                 .beginClass <DataType> ("DataType")
1563                 .addConstructor <void (*) (std::string)> ()
1564                 .addStaticCFunction ("null",  &LuaAPI::datatype_ctor_null) // "nil" is a lua reseved word
1565                 .addStaticCFunction ("audio", &LuaAPI::datatype_ctor_audio)
1566                 .addStaticCFunction ("midi",  &LuaAPI::datatype_ctor_midi)
1567                 .addFunction ("to_string",  &DataType::to_string) // TODO Lua __tostring
1568                 // TODO add uint32_t cast, add operator==  !=
1569                 .endClass()
1570
1571                 /* libardour enums */
1572                 .beginNamespace ("PluginType")
1573                 .addConst ("AudioUnit", ARDOUR::PluginType(AudioUnit))
1574                 .addConst ("LADSPA", ARDOUR::PluginType(LADSPA))
1575                 .addConst ("LV2", ARDOUR::PluginType(LV2))
1576                 .addConst ("Windows_VST", ARDOUR::PluginType(Windows_VST))
1577                 .addConst ("LXVST", ARDOUR::PluginType(LXVST))
1578                 .addConst ("Lua", ARDOUR::PluginType(Lua))
1579                 .endNamespace ()
1580
1581                 .beginNamespace ("PresentationInfo")
1582                 .beginNamespace ("Flag")
1583                 .addConst ("AudioTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::AudioTrack))
1584                 .addConst ("MidiTrack", ARDOUR::PresentationInfo::Flag(PresentationInfo::MidiTrack))
1585                 .addConst ("AudioBus", ARDOUR::PresentationInfo::Flag(PresentationInfo::AudioBus))
1586                 .addConst ("MidiBus", ARDOUR::PresentationInfo::Flag(PresentationInfo::MidiBus))
1587                 .addConst ("VCA", ARDOUR::PresentationInfo::Flag(PresentationInfo::VCA))
1588                 .addConst ("MasterOut", ARDOUR::PresentationInfo::Flag(PresentationInfo::MasterOut))
1589                 .addConst ("MonitorOut", ARDOUR::PresentationInfo::Flag(PresentationInfo::MonitorOut))
1590                 .addConst ("Auditioner", ARDOUR::PresentationInfo::Flag(PresentationInfo::Auditioner))
1591                 .addConst ("Selected", ARDOUR::PresentationInfo::Flag(PresentationInfo::Selected))
1592                 .addConst ("Hidden", ARDOUR::PresentationInfo::Flag(PresentationInfo::Hidden))
1593                 .addConst ("GroupOrderSet", ARDOUR::PresentationInfo::Flag(PresentationInfo::OrderSet))
1594                 .addConst ("StatusMask", ARDOUR::PresentationInfo::Flag(PresentationInfo::StatusMask))
1595                 .endNamespace ()
1596                 .endNamespace ()
1597
1598                 .beginNamespace ("AutoStyle")
1599                 .addConst ("Absolute", ARDOUR::AutoStyle(Absolute))
1600                 .addConst ("Trim", ARDOUR::AutoStyle(Trim))
1601                 .endNamespace ()
1602
1603                 .beginNamespace ("AutoState")
1604                 .addConst ("Off", ARDOUR::AutoState(Off))
1605                 .addConst ("Write", ARDOUR::AutoState(Write))
1606                 .addConst ("Touch", ARDOUR::AutoState(Touch))
1607                 .addConst ("Play", ARDOUR::AutoState(Play))
1608                 .endNamespace ()
1609
1610                 .beginNamespace ("AutomationType")
1611                 .addConst ("GainAutomation", ARDOUR::AutomationType(GainAutomation))
1612                 .addConst ("PluginAutomation", ARDOUR::AutomationType(PluginAutomation))
1613                 .addConst ("SoloAutomation", ARDOUR::AutomationType(SoloAutomation))
1614                 .addConst ("SoloIsolateAutomation", ARDOUR::AutomationType(SoloIsolateAutomation))
1615                 .addConst ("SoloSafeAutomation", ARDOUR::AutomationType(SoloSafeAutomation))
1616                 .addConst ("MuteAutomation", ARDOUR::AutomationType(MuteAutomation))
1617                 .addConst ("RecEnableAutomation", ARDOUR::AutomationType(RecEnableAutomation))
1618                 .addConst ("RecSafeAutomation", ARDOUR::AutomationType(RecSafeAutomation))
1619                 .addConst ("TrimAutomation", ARDOUR::AutomationType(TrimAutomation))
1620                 .addConst ("PhaseAutomation", ARDOUR::AutomationType(PhaseAutomation))
1621                 .addConst ("MidiCCAutomation", ARDOUR::AutomationType(MidiCCAutomation))
1622                 .addConst ("MidiPgmChangeAutomation", ARDOUR::AutomationType(MidiPgmChangeAutomation))
1623                 .addConst ("MidiPitchBenderAutomation", ARDOUR::AutomationType(MidiPitchBenderAutomation))
1624                 .addConst ("MidiChannelPressureAutomation", ARDOUR::AutomationType(MidiChannelPressureAutomation))
1625                 .addConst ("MidiNotePressureAutomation", ARDOUR::AutomationType(MidiNotePressureAutomation))
1626                 .addConst ("MidiSystemExclusiveAutomation", ARDOUR::AutomationType(MidiSystemExclusiveAutomation))
1627                 .endNamespace ()
1628
1629                 .beginNamespace ("SrcQuality")
1630                 .addConst ("SrcBest", ARDOUR::SrcQuality(SrcBest))
1631                 .endNamespace ()
1632
1633                 .beginNamespace ("MeterType")
1634                 .addConst ("MeterMaxSignal", ARDOUR::MeterType(MeterMaxSignal))
1635                 .addConst ("MeterMaxPeak", ARDOUR::MeterType(MeterMaxPeak))
1636                 .addConst ("MeterPeak", ARDOUR::MeterType(MeterPeak))
1637                 .addConst ("MeterKrms", ARDOUR::MeterType(MeterKrms))
1638                 .addConst ("MeterK20", ARDOUR::MeterType(MeterK20))
1639                 .addConst ("MeterK14", ARDOUR::MeterType(MeterK14))
1640                 .addConst ("MeterIEC1DIN", ARDOUR::MeterType(MeterIEC1DIN))
1641                 .addConst ("MeterIEC1NOR", ARDOUR::MeterType(MeterIEC1NOR))
1642                 .addConst ("MeterIEC2BBC", ARDOUR::MeterType(MeterIEC2BBC))
1643                 .addConst ("MeterIEC2EBU", ARDOUR::MeterType(MeterIEC2EBU))
1644                 .addConst ("MeterVU", ARDOUR::MeterType(MeterVU))
1645                 .addConst ("MeterK12", ARDOUR::MeterType(MeterK12))
1646                 .addConst ("MeterPeak0dB", ARDOUR::MeterType(MeterPeak0dB))
1647                 .addConst ("MeterMCP", ARDOUR::MeterType(MeterMCP))
1648                 .endNamespace ()
1649
1650                 .beginNamespace ("MeterPoint")
1651                 .addConst ("MeterInput", ARDOUR::MeterPoint(MeterInput))
1652                 .addConst ("MeterPreFader", ARDOUR::MeterPoint(MeterPreFader))
1653                 .addConst ("MeterPostFader", ARDOUR::MeterPoint(MeterPostFader))
1654                 .addConst ("MeterOutput", ARDOUR::MeterPoint(MeterOutput))
1655                 .addConst ("MeterCustom", ARDOUR::MeterPoint(MeterCustom))
1656                 .endNamespace ()
1657
1658                 .beginNamespace ("Placement")
1659                 .addConst ("PreFader", ARDOUR::Placement(PreFader))
1660                 .addConst ("PostFader", ARDOUR::Placement(PostFader))
1661                 .endNamespace ()
1662
1663                 .beginNamespace ("MonitorChoice")
1664                 .addConst ("MonitorAuto", ARDOUR::MonitorChoice(MonitorAuto))
1665                 .addConst ("MonitorInput", ARDOUR::MonitorChoice(MonitorInput))
1666                 .addConst ("MonitorDisk", ARDOUR::MonitorChoice(MonitorDisk))
1667                 .addConst ("MonitorCue", ARDOUR::MonitorChoice(MonitorCue))
1668                 .endNamespace ()
1669
1670                 .beginNamespace ("NoteMode")
1671                 .addConst ("Sustained", ARDOUR::NoteMode(Sustained))
1672                 .addConst ("Percussive", ARDOUR::NoteMode(Percussive))
1673                 .endNamespace ()
1674
1675                 .beginNamespace ("PortFlags")
1676                 .addConst ("IsInput", ARDOUR::PortFlags(IsInput))
1677                 .addConst ("IsOutput", ARDOUR::PortFlags(IsOutput))
1678                 .addConst ("IsPhysical", ARDOUR::PortFlags(IsPhysical))
1679                 .addConst ("CanMonitor", ARDOUR::PortFlags(CanMonitor))
1680                 .addConst ("IsTerminal", ARDOUR::PortFlags(IsTerminal))
1681                 .endNamespace ()
1682
1683                 .beginNamespace ("MidiPortFlags")
1684                 .addConst ("MidiPortMusic", ARDOUR::MidiPortFlags(MidiPortMusic))
1685                 .addConst ("MidiPortControl", ARDOUR::MidiPortFlags(MidiPortControl))
1686                 .addConst ("MidiPortSelection", ARDOUR::MidiPortFlags(MidiPortSelection))
1687                 .addConst ("MidiPortVirtual", ARDOUR::MidiPortFlags(MidiPortVirtual))
1688                 .endNamespace ()
1689
1690                 .beginNamespace ("PlaylistDisposition")
1691                 .addConst ("CopyPlaylist", ARDOUR::PlaylistDisposition(CopyPlaylist))
1692                 .addConst ("NewPlaylist", ARDOUR::PlaylistDisposition(NewPlaylist))
1693                 .addConst ("SharePlaylist", ARDOUR::PlaylistDisposition(SharePlaylist))
1694                 .endNamespace ()
1695
1696                 .beginNamespace ("MidiTrackNameSource")
1697                 .addConst ("SMFTrackNumber", ARDOUR::MidiTrackNameSource(SMFTrackNumber))
1698                 .addConst ("SMFTrackName", ARDOUR::MidiTrackNameSource(SMFTrackName))
1699                 .addConst ("SMFInstrumentName", ARDOUR::MidiTrackNameSource(SMFInstrumentName))
1700                 .endNamespace ()
1701
1702                 .beginNamespace ("MidiTempoMapDisposition")
1703                 .addConst ("SMFTempoIgnore", ARDOUR::MidiTrackNameSource(SMFTempoIgnore))
1704                 .addConst ("SMFTempoUse", ARDOUR::MidiTrackNameSource(SMFTempoUse))
1705                 .endNamespace ()
1706
1707                 .beginNamespace ("RegionPoint")
1708                 .addConst ("Start", ARDOUR::RegionPoint(Start))
1709                 .addConst ("End", ARDOUR::RegionPoint(End))
1710                 .addConst ("SyncPoint", ARDOUR::RegionPoint(SyncPoint))
1711                 .endNamespace ()
1712
1713                 .beginNamespace ("TempoSection")
1714                 .beginNamespace ("PositionLockStyle")
1715                 .addConst ("AudioTime", ARDOUR::PositionLockStyle(AudioTime))
1716                 .addConst ("MusicTime", ARDOUR::PositionLockStyle(MusicTime))
1717                 .endNamespace ()
1718                 .endNamespace ()
1719
1720                 .beginNamespace ("TempoSection")
1721                 .beginNamespace ("Type")
1722                 .addConst ("Ramp", ARDOUR::TempoSection::Type(TempoSection::Ramp))
1723                 .addConst ("Constant", ARDOUR::TempoSection::Type(TempoSection::Constant))
1724                 .endNamespace ()
1725                 .endNamespace ()
1726
1727                 .beginNamespace ("TrackMode")
1728                 .addConst ("Normal", ARDOUR::TrackMode(Start))
1729                 .addConst ("NonLayered", ARDOUR::TrackMode(NonLayered))
1730                 .addConst ("Destructive", ARDOUR::TrackMode(Destructive))
1731                 .endNamespace ()
1732
1733                 .beginNamespace ("SampleFormat")
1734                 .addConst ("Float", ARDOUR::SampleFormat(FormatFloat))
1735                 .addConst ("Int24", ARDOUR::SampleFormat(FormatInt24))
1736                 .addConst ("Int16", ARDOUR::SampleFormat(FormatInt16))
1737                 .endNamespace ()
1738
1739                 .beginNamespace ("HeaderFormat")
1740                 .addConst ("BWF", ARDOUR::HeaderFormat(BWF))
1741                 .addConst ("WAVE", ARDOUR::HeaderFormat(WAVE))
1742                 .addConst ("WAVE64", ARDOUR::HeaderFormat(WAVE64))
1743                 .addConst ("CAF", ARDOUR::HeaderFormat(CAF))
1744                 .addConst ("AIFF", ARDOUR::HeaderFormat(AIFF))
1745                 .addConst ("iXML", ARDOUR::HeaderFormat(iXML))
1746                 .addConst ("RF64", ARDOUR::HeaderFormat(RF64))
1747                 .addConst ("RF64_WAV", ARDOUR::HeaderFormat(RF64_WAV))
1748                 .addConst ("MBWF", ARDOUR::HeaderFormat(MBWF))
1749                 .endNamespace ()
1750
1751                 .beginNamespace ("InsertMergePolicy")
1752                 .addConst ("Reject", ARDOUR::InsertMergePolicy(InsertMergeReject))
1753                 .addConst ("Relax", ARDOUR::InsertMergePolicy(InsertMergeRelax))
1754                 .addConst ("Replace", ARDOUR::InsertMergePolicy(InsertMergeReplace))
1755                 .addConst ("TruncateExisting", ARDOUR::InsertMergePolicy(InsertMergeTruncateExisting))
1756                 .addConst ("TruncateAddition", ARDOUR::InsertMergePolicy(InsertMergeTruncateAddition))
1757                 .addConst ("Extend", ARDOUR::InsertMergePolicy(InsertMergeExtend))
1758                 .endNamespace ()
1759
1760                 .endNamespace (); // end ARDOUR
1761
1762         luabridge::getGlobalNamespace (L)
1763                 .beginNamespace ("ARDOUR")
1764                 .beginClass <AudioBackendInfo> ("AudioBackendInfo")
1765                 .addData ("name", &AudioBackendInfo::name)
1766                 .endClass()
1767                 .beginConstStdVector <const AudioBackendInfo*> ("BackendVector").endClass ()
1768
1769                 .beginClass <AudioBackend::DeviceStatus> ("DeviceStatus")
1770                 .addData ("name", &AudioBackend::DeviceStatus::name)
1771                 .addData ("available", &AudioBackend::DeviceStatus::available)
1772                 .endClass()
1773                 .beginStdVector <AudioBackend::DeviceStatus> ("DeviceStatusVector").endClass ()
1774
1775                 .beginWSPtrClass <AudioBackend> ("AudioBackend")
1776                 .addFunction ("info", &AudioBackend::info)
1777                 .addFunction ("sample_rate", &AudioBackend::sample_rate)
1778                 .addFunction ("buffer_size", &AudioBackend::buffer_size)
1779                 .addFunction ("period_size", &AudioBackend::period_size)
1780                 .addFunction ("input_channels", &AudioBackend::input_channels)
1781                 .addFunction ("output_channels", &AudioBackend::output_channels)
1782                 .addFunction ("dsp_load", &AudioBackend::dsp_load)
1783
1784                 .addFunction ("set_sample_rate", &AudioBackend::set_sample_rate)
1785                 .addFunction ("set_buffer_size", &AudioBackend::set_buffer_size)
1786                 .addFunction ("set_peridod_size", &AudioBackend::set_peridod_size)
1787
1788                 .addFunction ("enumerate_drivers", &AudioBackend::enumerate_drivers)
1789                 .addFunction ("driver_name", &AudioBackend::driver_name)
1790                 .addFunction ("set_driver", &AudioBackend::set_driver)
1791
1792                 .addFunction ("use_separate_input_and_output_devices", &AudioBackend::use_separate_input_and_output_devices)
1793                 .addFunction ("enumerate_devices", &AudioBackend::enumerate_devices)
1794                 .addFunction ("enumerate_input_devices", &AudioBackend::enumerate_input_devices)
1795                 .addFunction ("enumerate_output_devices", &AudioBackend::enumerate_output_devices)
1796                 .addFunction ("device_name", &AudioBackend::device_name)
1797                 .addFunction ("input_device_name", &AudioBackend::input_device_name)
1798                 .addFunction ("output_device_name", &AudioBackend::output_device_name)
1799                 .addFunction ("set_device_name", &AudioBackend::set_device_name)
1800                 .addFunction ("set_input_device_name", &AudioBackend::set_input_device_name)
1801                 .addFunction ("set_output_device_name", &AudioBackend::set_output_device_name)
1802                 .endClass()
1803
1804                 .beginClass <PortEngine> ("PortEngine")
1805                 .endClass()
1806
1807                 .beginClass <PortManager> ("PortManager")
1808                 .addFunction ("port_engine", &PortManager::port_engine)
1809                 .addFunction ("connected", &PortManager::connected)
1810                 .addFunction ("connect", &PortManager::connect)
1811                 .addFunction ("physically_connected", &PortManager::physically_connected)
1812                 .addFunction ("disconnect", (int (PortManager::*)(const std::string&, const std::string&))&PortManager::disconnect)
1813                 .addFunction ("disconnect_port", (int (PortManager::*)(boost::shared_ptr<Port>))&PortManager::disconnect)
1814                 .addFunction ("get_port_by_name", &PortManager::get_port_by_name)
1815                 .addFunction ("get_pretty_name_by_name", &PortManager::get_pretty_name_by_name)
1816                 .addFunction ("port_is_physical", &PortManager::port_is_physical)
1817                 .addFunction ("get_physical_outputs", &PortManager::get_physical_outputs)
1818                 .addFunction ("get_physical_inputs", &PortManager::get_physical_inputs)
1819                 .addFunction ("n_physical_outputs", &PortManager::n_physical_outputs)
1820                 .addFunction ("n_physical_inputs", &PortManager::n_physical_inputs)
1821                 .addRefFunction ("get_connections", &PortManager::get_connections)
1822                 .addRefFunction ("get_ports", (int (PortManager::*)(DataType, PortManager::PortList&))&PortManager::get_ports)
1823                 .addRefFunction ("get_backend_ports", (int (PortManager::*)(const std::string&, DataType, PortFlags, std::vector<std::string>&))&PortManager::get_ports)
1824                 .endClass()
1825
1826                 .deriveClass <AudioEngine, PortManager> ("AudioEngine")
1827                 .addFunction ("available_backends", &AudioEngine::available_backends)
1828                 .addFunction ("current_backend_name", &AudioEngine::current_backend_name)
1829                 .addFunction ("set_backend", &AudioEngine::set_backend)
1830                 .addFunction ("setup_required", &AudioEngine::setup_required)
1831                 .addFunction ("start", &AudioEngine::start)
1832                 .addFunction ("stop", &AudioEngine::stop)
1833                 .addFunction ("get_dsp_load", &AudioEngine::get_dsp_load)
1834                 .addFunction ("set_device_name", &AudioEngine::set_device_name)
1835                 .addFunction ("set_sample_rate", &AudioEngine::set_sample_rate)
1836                 .addFunction ("set_buffer_size", &AudioEngine::set_buffer_size)
1837                 .addFunction ("get_last_backend_error", &AudioEngine::get_last_backend_error)
1838                 .endClass()
1839
1840                 .deriveClass <SessionConfiguration, PBD::Configuration> ("SessionConfiguration")
1841 #undef  CONFIG_VARIABLE
1842 #undef  CONFIG_VARIABLE_SPECIAL
1843 #define CONFIG_VARIABLE(Type,var,name,value) \
1844                 .addFunction ("get_" # var, &SessionConfiguration::get_##var) \
1845                 .addFunction ("set_" # var, &SessionConfiguration::set_##var) \
1846                 .addProperty (#var, &SessionConfiguration::get_##var, &SessionConfiguration::set_##var)
1847
1848 #define CONFIG_VARIABLE_SPECIAL(Type,var,name,value,mutator) \
1849                 .addFunction ("get_" # var, &SessionConfiguration::get_##var) \
1850                 .addFunction ("set_" # var, &SessionConfiguration::set_##var) \
1851                 .addProperty (#var, &SessionConfiguration::get_##var, &SessionConfiguration::set_##var)
1852
1853 #include "ardour/session_configuration_vars.h"
1854
1855 #undef CONFIG_VARIABLE
1856 #undef CONFIG_VARIABLE_SPECIAL
1857                 .endClass()
1858                 .endNamespace ();
1859
1860         // basic representation of Session
1861         // functions which can be used from realtime and non-realtime contexts
1862         luabridge::getGlobalNamespace (L)
1863                 .beginNamespace ("ARDOUR")
1864                 .beginClass <Session> ("Session")
1865                 .addFunction ("scripts_changed", &Session::scripts_changed) // used internally
1866                 .addFunction ("transport_rolling", &Session::transport_rolling)
1867                 .addFunction ("request_transport_speed", &Session::request_transport_speed)
1868                 .addFunction ("transport_frame", &Session::transport_frame)
1869                 .addFunction ("transport_speed", &Session::transport_speed)
1870                 .addFunction ("frame_rate", &Session::frame_rate)
1871                 .addFunction ("nominal_frame_rate", &Session::nominal_frame_rate)
1872                 .addFunction ("samples_per_timecode_frame", &Session::samples_per_timecode_frame)
1873                 .addFunction ("timecode_frames_per_hour", &Session::timecode_frames_per_hour)
1874                 .addFunction ("timecode_frames_per_second", &Session::timecode_frames_per_second)
1875                 .addFunction ("timecode_drop_frames", &Session::timecode_drop_frames)
1876                 .addFunction ("request_locate", &Session::request_locate)
1877                 .addFunction ("request_stop", &Session::request_stop)
1878                 .addFunction ("request_play_loop", &Session::request_play_loop)
1879                 .addFunction ("get_play_loop", &Session::get_play_loop)
1880                 .addFunction ("last_transport_start", &Session::last_transport_start)
1881                 .addFunction ("goto_start", &Session::goto_start)
1882                 .addFunction ("goto_end", &Session::goto_end)
1883                 .addFunction ("current_start_frame", &Session::current_start_frame)
1884                 .addFunction ("current_end_frame", &Session::current_end_frame)
1885                 .addFunction ("actively_recording", &Session::actively_recording)
1886                 .addFunction ("new_audio_track", &Session::new_audio_track)
1887                 .addFunction ("new_audio_route", &Session::new_audio_route)
1888                 .addFunction ("new_midi_track", &Session::new_midi_track)
1889                 .addFunction ("new_midi_route", &Session::new_midi_route)
1890                 .addFunction ("get_routes", &Session::get_routes)
1891                 .addFunction ("get_tracks", &Session::get_tracks)
1892                 .addFunction ("name", &Session::name)
1893                 .addFunction ("path", &Session::path)
1894                 .addFunction ("record_status", &Session::record_status)
1895                 .addFunction ("maybe_enable_record", &Session::maybe_enable_record)
1896                 .addFunction ("disable_record", &Session::disable_record)
1897                 .addFunction ("route_by_id", &Session::route_by_id)
1898                 .addFunction ("route_by_name", &Session::route_by_name)
1899                 .addFunction ("get_remote_nth_stripable", &Session::get_remote_nth_stripable)
1900                 .addFunction ("get_remote_nth_route", &Session::get_remote_nth_route)
1901                 .addFunction ("route_by_selected_count", &Session::route_by_selected_count)
1902                 .addFunction ("track_by_diskstream_id", &Session::track_by_diskstream_id)
1903                 .addFunction ("source_by_id", &Session::source_by_id)
1904                 .addFunction ("controllable_by_id", &Session::controllable_by_id)
1905                 .addFunction ("processor_by_id", &Session::processor_by_id)
1906                 .addFunction ("snap_name", &Session::snap_name)
1907                 .addFunction ("monitor_out", &Session::monitor_out)
1908                 .addFunction ("master_out", &Session::master_out)
1909                 .addFunction ("add_internal_sends", &Session::add_internal_sends)
1910                 .addFunction ("tempo_map", (TempoMap& (Session::*)())&Session::tempo_map)
1911                 .addFunction ("locations", &Session::locations)
1912                 .addFunction ("soloing", &Session::soloing)
1913                 .addFunction ("listening", &Session::listening)
1914                 .addFunction ("solo_isolated", &Session::solo_isolated)
1915                 .addFunction ("cancel_all_solo", &Session::cancel_all_solo)
1916                 .addFunction ("clear_all_solo_state", &Session::clear_all_solo_state)
1917                 .addFunction ("set_controls", &Session::set_controls)
1918                 .addFunction ("set_control", &Session::set_control)
1919                 .addFunction ("set_exclusive_input_active", &Session::set_exclusive_input_active)
1920                 .addFunction ("begin_reversible_command", (void (Session::*)(const std::string&))&Session::begin_reversible_command)
1921                 .addFunction ("commit_reversible_command", &Session::commit_reversible_command)
1922                 .addFunction ("abort_reversible_command", &Session::abort_reversible_command)
1923                 .addFunction ("add_command", &Session::add_command)
1924                 .addFunction ("add_stateful_diff_command", &Session::add_stateful_diff_command)
1925                 .addFunction ("engine", (AudioEngine& (Session::*)())&Session::engine)
1926                 .addFunction ("get_block_size", &Session::get_block_size)
1927                 .addFunction ("worst_output_latency", &Session::worst_output_latency)
1928                 .addFunction ("worst_input_latency", &Session::worst_input_latency)
1929                 .addFunction ("worst_track_latency", &Session::worst_track_latency)
1930                 .addFunction ("worst_playback_latency", &Session::worst_playback_latency)
1931                 .addFunction ("cfg", &Session::cfg)
1932                 .addFunction ("route_groups", &Session::route_groups)
1933                 .addFunction ("new_route_group", &Session::new_route_group)
1934                 .addFunction ("remove_route_group", (void (Session::*)(RouteGroup*))&Session::remove_route_group)
1935                 .addExtCFunction ("timecode_to_sample_lua", ARDOUR::LuaAPI::timecode_to_sample_lua)
1936                 .addExtCFunction ("sample_to_timecode_lua", ARDOUR::LuaAPI::sample_to_timecode_lua)
1937                 .endClass ()
1938
1939                 .beginClass <RegionFactory> ("RegionFactory")
1940                 .addStaticFunction ("region_by_id", &RegionFactory::region_by_id)
1941                 .endClass ()
1942
1943                 /* session enums (rt-safe, common) */
1944                 .beginNamespace ("Session")
1945
1946                 .beginNamespace ("RecordState")
1947                 .addConst ("Disabled", ARDOUR::Session::RecordState(Session::Disabled))
1948                 .addConst ("Enabled", ARDOUR::Session::RecordState(Session::Enabled))
1949                 .addConst ("Recording", ARDOUR::Session::RecordState(Session::Recording))
1950                 .endNamespace ()
1951
1952                 .endNamespace () // end Session enums
1953
1954                 /* ardour enums (rt-safe, common) */
1955                 .beginNamespace ("LocationFlags")
1956                 .addConst ("IsMark", ARDOUR::Location::Flags(Location::IsMark))
1957                 .addConst ("IsAutoPunch", ARDOUR::Location::Flags(Location::IsAutoPunch))
1958                 .addConst ("IsAutoLoop", ARDOUR::Location::Flags(Location::IsAutoLoop))
1959                 .addConst ("IsHidden", ARDOUR::Location::Flags(Location::IsHidden))
1960                 .addConst ("IsCDMarker", ARDOUR::Location::Flags(Location::IsCDMarker))
1961                 .addConst ("IsRangeMarker", ARDOUR::Location::Flags(Location::IsRangeMarker))
1962                 .addConst ("IsSessionRange", ARDOUR::Location::Flags(Location::IsSessionRange))
1963                 .addConst ("IsSkip", ARDOUR::Location::Flags(Location::IsSkip))
1964                 .addConst ("IsSkipping", ARDOUR::Location::Flags(Location::IsSkipping))
1965                 .endNamespace ()
1966
1967                 .beginNamespace ("LuaAPI")
1968                 .addFunction ("nil_proc", ARDOUR::LuaAPI::nil_processor)
1969                 .addFunction ("new_luaproc", ARDOUR::LuaAPI::new_luaproc)
1970                 .addFunction ("new_plugin_info", ARDOUR::LuaAPI::new_plugin_info)
1971                 .addFunction ("new_plugin", ARDOUR::LuaAPI::new_plugin)
1972                 .addFunction ("set_processor_param", ARDOUR::LuaAPI::set_processor_param)
1973                 .addFunction ("set_plugin_insert_param", ARDOUR::LuaAPI::set_plugin_insert_param)
1974                 .addFunction ("reset_processor_to_default", ARDOUR::LuaAPI::reset_processor_to_default)
1975                 .addRefFunction ("get_processor_param", ARDOUR::LuaAPI::get_processor_param)
1976                 .addRefFunction ("get_plugin_insert_param", ARDOUR::LuaAPI::get_plugin_insert_param)
1977                 .addCFunction ("plugin_automation", ARDOUR::LuaAPI::plugin_automation)
1978                 .addCFunction ("hsla_to_rgba", ARDOUR::LuaAPI::hsla_to_rgba)
1979                 .addCFunction ("color_to_rgba", ARDOUR::LuaAPI::color_to_rgba)
1980                 .addFunction ("usleep", Glib::usleep)
1981                 .addFunction ("monotonic_time", ::g_get_monotonic_time)
1982                 .addCFunction ("build_filename", ARDOUR::LuaAPI::build_filename)
1983                 .addFunction ("new_noteptr", ARDOUR::LuaAPI::new_noteptr)
1984                 .addFunction ("note_list", ARDOUR::LuaAPI::note_list)
1985                 .addCFunction ("sample_to_timecode", ARDOUR::LuaAPI::sample_to_timecode)
1986                 .addCFunction ("timecode_to_sample", ARDOUR::LuaAPI::timecode_to_sample)
1987
1988                 .beginClass <ARDOUR::LuaAPI::Vamp> ("Vamp")
1989                 .addConstructor <void (*) (const std::string&, float)> ()
1990                 .addStaticFunction ("list_plugins", &ARDOUR::LuaAPI::Vamp::list_plugins)
1991                 .addFunction ("plugin", &ARDOUR::LuaAPI::Vamp::plugin)
1992                 .addFunction ("analyze", &ARDOUR::LuaAPI::Vamp::analyze)
1993                 .addFunction ("reset", &ARDOUR::LuaAPI::Vamp::reset)
1994                 .addFunction ("initialize", &ARDOUR::LuaAPI::Vamp::initialize)
1995                 .addFunction ("process", &ARDOUR::LuaAPI::Vamp::process)
1996                 .endClass ()
1997
1998                 .endNamespace () // end LuaAPI
1999                 .endNamespace ();// end ARDOUR
2000
2001         // DSP functions
2002         luabridge::getGlobalNamespace (L)
2003                 .beginNamespace ("ARDOUR")
2004                 .beginNamespace ("DSP")
2005                 .addFunction ("compute_peak", ARDOUR::compute_peak)
2006                 .addFunction ("find_peaks", ARDOUR::find_peaks)
2007                 .addFunction ("apply_gain_to_buffer", ARDOUR::apply_gain_to_buffer)
2008                 .addFunction ("mix_buffers_no_gain", ARDOUR::mix_buffers_no_gain)
2009                 .addFunction ("mix_buffers_with_gain", ARDOUR::mix_buffers_with_gain)
2010                 .addFunction ("copy_vector", ARDOUR::copy_vector)
2011                 .addFunction ("dB_to_coefficient", &dB_to_coefficient)
2012                 .addFunction ("fast_coefficient_to_dB", &fast_coefficient_to_dB)
2013                 .addFunction ("accurate_coefficient_to_dB", &accurate_coefficient_to_dB)
2014                 .addFunction ("memset", &DSP::memset)
2015                 .addFunction ("mmult", &DSP::mmult)
2016                 .addFunction ("log_meter", &DSP::log_meter)
2017                 .addFunction ("log_meter_coeff", &DSP::log_meter_coeff)
2018                 .addFunction ("process_map", &DSP::process_map)
2019                 .addRefFunction ("peaks", &DSP::peaks)
2020
2021                 .beginClass <DSP::LowPass> ("LowPass")
2022                 .addConstructor <void (*) (double, float)> ()
2023                 .addFunction ("proc", &DSP::LowPass::proc)
2024                 .addFunction ("ctrl", &DSP::LowPass::ctrl)
2025                 .addFunction ("set_cutoff", &DSP::LowPass::set_cutoff)
2026                 .addFunction ("reset", &DSP::LowPass::reset)
2027                 .endClass ()
2028                 .beginClass <DSP::Biquad> ("Biquad")
2029                 .addConstructor <void (*) (double)> ()
2030                 .addFunction ("run", &DSP::Biquad::run)
2031                 .addFunction ("compute", &DSP::Biquad::compute)
2032                 .addFunction ("configure", &DSP::Biquad::configure)
2033                 .addFunction ("reset", &DSP::Biquad::reset)
2034                 .addFunction ("dB_at_freq", &DSP::Biquad::dB_at_freq)
2035                 .endClass ()
2036                 .beginClass <DSP::FFTSpectrum> ("FFTSpectrum")
2037                 .addConstructor <void (*) (uint32_t, double)> ()
2038                 .addFunction ("set_data_hann", &DSP::FFTSpectrum::set_data_hann)
2039                 .addFunction ("execute", &DSP::FFTSpectrum::execute)
2040                 .addFunction ("power_at_bin", &DSP::FFTSpectrum::power_at_bin)
2041                 .addFunction ("freq_at_bin", &DSP::FFTSpectrum::freq_at_bin)
2042                 .endClass ()
2043
2044                 /* DSP enums */
2045                 .beginNamespace ("BiquadType")
2046                 .addConst ("LowPass", ARDOUR::DSP::Biquad::LowPass)
2047                 .addConst ("HighPass", ARDOUR::DSP::Biquad::HighPass)
2048                 .addConst ("BandPassSkirt", ARDOUR::DSP::Biquad::BandPassSkirt)
2049                 .addConst ("BandPass0dB", ARDOUR::DSP::Biquad::BandPass0dB)
2050                 .addConst ("Notch", ARDOUR::DSP::Biquad::Notch)
2051                 .addConst ("AllPass", ARDOUR::DSP::Biquad::AllPass)
2052                 .addConst ("Peaking", ARDOUR::DSP::Biquad::Peaking)
2053                 .addConst ("LowShelf", ARDOUR::DSP::Biquad::LowShelf)
2054                 .addConst ("HighShelf", ARDOUR::DSP::Biquad::HighShelf)
2055                 .endNamespace ()
2056
2057                 .beginClass <DSP::DspShm> ("DspShm")
2058                 .addConstructor<void (*) (size_t)> ()
2059                 .addFunction ("allocate", &DSP::DspShm::allocate)
2060                 .addFunction ("clear", &DSP::DspShm::clear)
2061                 .addFunction ("to_float", &DSP::DspShm::to_float)
2062                 .addFunction ("to_int", &DSP::DspShm::to_int)
2063                 .addFunction ("atomic_set_int", &DSP::DspShm::atomic_set_int)
2064                 .addFunction ("atomic_get_int", &DSP::DspShm::atomic_get_int)
2065                 .endClass ()
2066
2067                 .endNamespace () // DSP
2068                 .endNamespace ();// end ARDOUR
2069 }
2070
2071 void
2072 LuaBindings::dsp (lua_State* L)
2073 {
2074         luabridge::getGlobalNamespace (L)
2075                 .beginNamespace ("ARDOUR")
2076
2077                 .beginClass <AudioBuffer> ("AudioBuffer")
2078                 .addEqualCheck ()
2079                 .addFunction ("data", (Sample*(AudioBuffer::*)(framecnt_t))&AudioBuffer::data)
2080                 .addFunction ("silence", &AudioBuffer::silence)
2081                 .addFunction ("apply_gain", &AudioBuffer::apply_gain)
2082                 .addFunction ("check_silence", &AudioBuffer::check_silence)
2083                 .addFunction ("read_from", (void (AudioBuffer::*)(const Sample*, framecnt_t, framecnt_t, framecnt_t))&AudioBuffer::check_silence)
2084                 .endClass()
2085
2086                 .beginClass <MidiBuffer> ("MidiBuffer")
2087                 .addEqualCheck ()
2088                 .addFunction ("silence", &MidiBuffer::silence)
2089                 .addFunction ("size", &MidiBuffer::size)
2090                 .addFunction ("empty", &MidiBuffer::empty)
2091                 .addFunction ("resize", &MidiBuffer::resize)
2092                 .addFunction ("copy", (void (MidiBuffer::*)(MidiBuffer const * const))&MidiBuffer::copy)
2093                 .addFunction ("push_event", (bool (MidiBuffer::*)(const Evoral::Event<framepos_t>&))&MidiBuffer::push_back)
2094                 .addFunction ("push_back", (bool (MidiBuffer::*)(framepos_t, size_t, const uint8_t*))&MidiBuffer::push_back)
2095                 // TODO iterators..
2096                 .addExtCFunction ("table", &luabridge::CFunc::listToTable<const Evoral::Event<framepos_t>, MidiBuffer>)
2097                 .endClass()
2098
2099                 .beginClass <BufferSet> ("BufferSet")
2100                 .addEqualCheck ()
2101                 .addFunction ("get_audio", static_cast<AudioBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_audio))
2102                 .addFunction ("get_midi", static_cast<MidiBuffer&(BufferSet::*)(size_t)>(&BufferSet::get_midi))
2103                 .addFunction ("count", static_cast<const ChanCount&(BufferSet::*)()const>(&BufferSet::count))
2104                 .endClass()
2105                 .endNamespace ();
2106
2107         luabridge::getGlobalNamespace (L)
2108                 .beginNamespace ("Evoral")
2109                 .deriveClass <Evoral::Event<framepos_t>, Evoral::Event<framepos_t> > ("Event")
2110                 // add Ctor?
2111                 .addFunction ("type", &Evoral::Event<framepos_t>::type)
2112                 .addFunction ("channel", &Evoral::Event<framepos_t>::channel)
2113                 .addFunction ("set_type", &Evoral::Event<framepos_t>::set_type)
2114                 .addFunction ("set_channel", &Evoral::Event<framepos_t>::set_channel)
2115                 .endClass ()
2116                 .endNamespace ();
2117
2118         // dsp releated session functions
2119         luabridge::getGlobalNamespace (L)
2120                 .beginNamespace ("ARDOUR")
2121                 .beginClass <Session> ("Session")
2122                 .addFunction ("get_scratch_buffers", &Session::get_scratch_buffers)
2123                 .addFunction ("get_silent_buffers", &Session::get_silent_buffers)
2124                 .endClass ()
2125                 .endNamespace ();
2126
2127         luabridge::getGlobalNamespace (L)
2128                 .beginNamespace ("ARDOUR")
2129                 .beginClass <FluidSynth> ("FluidSynth")
2130                 .addConstructor <void (*) (float, int)> ()
2131                 .addFunction ("load_sf2", &FluidSynth::load_sf2)
2132                 .addFunction ("synth", &FluidSynth::synth)
2133                 .addFunction ("midi_event", &FluidSynth::midi_event)
2134                 .addFunction ("panic", &FluidSynth::panic)
2135                 .addFunction ("select_program", &FluidSynth::select_program)
2136                 .addFunction ("program_count", &FluidSynth::program_count)
2137                 .addFunction ("program_name", &FluidSynth::program_name)
2138                 .endClass ()
2139                 .endNamespace ();
2140
2141         luabridge::getGlobalNamespace (L)
2142                 .beginNamespace ("ARDOUR")
2143
2144                 .beginClass <LuaTableRef> ("LuaTableRef")
2145                 .addCFunction ("get", &LuaTableRef::get)
2146                 .addCFunction ("set", &LuaTableRef::set)
2147                 .endClass ()
2148
2149                 .endNamespace (); // ARDOUR
2150 }
2151
2152 void
2153 LuaBindings::session (lua_State* L)
2154 {
2155         // non-realtime session functions
2156         luabridge::getGlobalNamespace (L)
2157                 .beginNamespace ("ARDOUR")
2158                 .beginClass <Session> ("Session")
2159                 .addFunction ("save_state", &Session::save_state)
2160                 .addFunction ("set_dirty", &Session::set_dirty)
2161                 .addFunction ("unknown_processors", &Session::unknown_processors)
2162                 .addFunction ("export_track_state", &Session::export_track_state)
2163
2164                 .addFunction<RouteList (Session::*)(uint32_t, PresentationInfo::order_t, const std::string&, const std::string&, PlaylistDisposition)> ("new_route_from_template", &Session::new_route_from_template)
2165                 // TODO  session_add_audio_track  session_add_midi_track  session_add_mixed_track
2166                 //.addFunction ("new_midi_track", &Session::new_midi_track)
2167                 .endClass ()
2168
2169                 .endNamespace (); // ARDOUR
2170 }
2171
2172 void
2173 LuaBindings::osc (lua_State* L)
2174 {
2175         luabridge::getGlobalNamespace (L)
2176                 .beginNamespace ("ARDOUR")
2177                 .beginNamespace ("LuaOSC")
2178                 .beginClass<LuaOSC::Address> ("Address")
2179                 .addConstructor<void (*) (std::string)> ()
2180                 .addCFunction ("send", &LuaOSC::Address::send)
2181                 .endClass ()
2182                 .endNamespace ()
2183                 .endNamespace ();
2184 }
2185
2186 void
2187 LuaBindings::set_session (lua_State* L, Session *s)
2188 {
2189         /* LuaBridge uses unique keys to identify classes/c-types.
2190          *
2191          * Those keys are "generated" by using the memory-address of a static
2192          * variable, templated for every Class.
2193          * (see libs/lua/LuaBridge/detail/ClassInfo.h)
2194          *
2195          * When linking the final executable there must be exactly one static
2196          * function (static variable) for every templated class.
2197          * This works fine on OSX and Linux...
2198          *
2199          * Windows (mingw and MSVC) however expand the template differently for libardour
2200          * AND gtk2_ardour. We end up with two identical static functions
2201          * at different addresses!!
2202          *
2203          * The Solution: have gtk2_ardour never include LuaBridge headers directly
2204          * and always go via libardour function calls for classes that are registered
2205          * in libardour. (calling lua itself is fine,  calling c-functions in the GUI
2206          * which expand the template is not)
2207          *
2208          * (the actual cause: even static symbols in a .dll have no fixed address
2209          * and are mapped when loading the dll. static functions in .exe do have a fixed
2210          * address)
2211          *
2212          * libardour:
2213          *  0000000000000000 I __imp__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
2214          *  0000000000000000 I __nm__ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
2215          *  0000000000000000 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
2216          *
2217          * ardour.exe
2218          *  000000000104f560 d .data$_ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
2219          *  000000000104f560 D _ZZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEvE5value
2220          *  0000000000e9baf0 T _ZN9luabridge9ClassInfoIN6ARDOUR7SessionEE11getClassKeyEv
2221          *
2222          *
2223          */
2224         luabridge::push <Session *> (L, s);
2225         lua_setglobal (L, "Session");
2226
2227         if (s) {
2228                 // call lua function.
2229                 luabridge::LuaRef cb_ses = luabridge::getGlobal (L, "new_session");
2230                 if (cb_ses.type() == LUA_TFUNCTION) { cb_ses(s->name()); } // TODO args
2231         }
2232 }