annotate plugin/DSSIPluginInstance.cpp @ 385:9b35a1731c3d

* Tolerable fixes to #1903062 and #1903046
author Chris Cannam
date Wed, 27 Feb 2008 18:04:10 +0000
parents ca3b91119482
children 65311fb86166
rev   line source
Chris@49 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@52 4 Sonic Visualiser
Chris@52 5 An audio file viewer and annotation editor.
Chris@52 6 Centre for Digital Music, Queen Mary, University of London.
Chris@0 7
Chris@52 8 This program is free software; you can redistribute it and/or
Chris@52 9 modify it under the terms of the GNU General Public License as
Chris@52 10 published by the Free Software Foundation; either version 2 of the
Chris@52 11 License, or (at your option) any later version. See the file
Chris@52 12 COPYING included with this distribution for more information.
Chris@0 13 */
Chris@0 14
Chris@0 15 /*
Chris@0 16 This is a modified version of a source file from the
Chris@0 17 Rosegarden MIDI and audio sequencer and notation editor.
Chris@17 18 This file copyright 2000-2006 Chris Cannam.
Chris@0 19 */
Chris@0 20
Chris@0 21 #include <iostream>
Chris@0 22 #include <cassert>
Chris@0 23
Chris@0 24 #include "DSSIPluginInstance.h"
Chris@0 25 #include "PluginIdentifier.h"
Chris@0 26 #include "LADSPAPluginFactory.h"
Chris@0 27
Chris@117 28 //#define DEBUG_DSSI 1
Chris@0 29 //#define DEBUG_DSSI_PROCESS 1
Chris@0 30
Chris@0 31 #define EVENT_BUFFER_SIZE 1023
Chris@0 32
Chris@0 33 #ifdef DEBUG_DSSI
Chris@0 34 static std::ostream &operator<<(std::ostream& o, const QString &s)
Chris@0 35 {
Chris@0 36 o << s.toLocal8Bit().data();
Chris@0 37 return o;
Chris@0 38 }
Chris@0 39 #endif
Chris@0 40
Chris@0 41 DSSIPluginInstance::GroupMap DSSIPluginInstance::m_groupMap;
Chris@0 42 snd_seq_event_t **DSSIPluginInstance::m_groupLocalEventBuffers = 0;
Chris@0 43 size_t DSSIPluginInstance::m_groupLocalEventBufferCount = 0;
Chris@0 44 Scavenger<ScavengerArrayWrapper<snd_seq_event_t *> > DSSIPluginInstance::m_bufferScavenger(2, 10);
Chris@0 45 std::map<LADSPA_Handle, std::set<DSSIPluginInstance::NonRTPluginThread *> > DSSIPluginInstance::m_threads;
Chris@0 46
Chris@0 47
Chris@0 48 DSSIPluginInstance::DSSIPluginInstance(RealTimePluginFactory *factory,
Chris@0 49 int clientId,
Chris@0 50 QString identifier,
Chris@0 51 int position,
Chris@0 52 unsigned long sampleRate,
Chris@0 53 size_t blockSize,
Chris@0 54 int idealChannelCount,
Chris@0 55 const DSSI_Descriptor* descriptor) :
Chris@0 56 RealTimePluginInstance(factory, identifier),
Chris@0 57 m_client(clientId),
Chris@0 58 m_position(position),
Chris@0 59 m_descriptor(descriptor),
Chris@0 60 m_programCacheValid(false),
Chris@0 61 m_eventBuffer(EVENT_BUFFER_SIZE),
Chris@0 62 m_blockSize(blockSize),
Chris@0 63 m_idealChannelCount(idealChannelCount),
Chris@0 64 m_sampleRate(sampleRate),
Chris@0 65 m_latencyPort(0),
Chris@0 66 m_run(false),
Chris@0 67 m_bypassed(false),
Chris@10 68 m_grouped(false),
Chris@10 69 m_haveLastEventSendTime(false)
Chris@0 70 {
Chris@0 71 #ifdef DEBUG_DSSI
Chris@0 72 std::cerr << "DSSIPluginInstance::DSSIPluginInstance(" << identifier << ")"
Chris@0 73 << std::endl;
Chris@0 74 #endif
Chris@0 75
Chris@0 76 init();
Chris@0 77
Chris@0 78 m_inputBuffers = new sample_t*[m_audioPortsIn.size()];
Chris@0 79 m_outputBuffers = new sample_t*[m_outputBufferCount];
Chris@0 80
Chris@0 81 for (size_t i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 82 m_inputBuffers[i] = new sample_t[blockSize];
Chris@0 83 }
Chris@0 84 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 85 m_outputBuffers[i] = new sample_t[blockSize];
Chris@0 86 }
Chris@0 87
Chris@0 88 m_ownBuffers = true;
Chris@0 89
Chris@0 90 m_pending.lsb = m_pending.msb = m_pending.program = -1;
Chris@0 91
Chris@0 92 instantiate(sampleRate);
Chris@0 93 if (isOK()) {
Chris@0 94 connectPorts();
Chris@0 95 activate();
Chris@0 96 initialiseGroupMembership();
Chris@0 97 }
Chris@0 98 }
Chris@0 99
Chris@51 100 std::string
Chris@239 101 DSSIPluginInstance::getIdentifier() const
Chris@239 102 {
Chris@239 103 return m_descriptor->LADSPA_Plugin->Label;
Chris@239 104 }
Chris@239 105
Chris@239 106 std::string
Chris@51 107 DSSIPluginInstance::getName() const
Chris@0 108 {
Chris@239 109 return m_descriptor->LADSPA_Plugin->Name;
Chris@0 110 }
Chris@0 111
Chris@51 112 std::string
Chris@51 113 DSSIPluginInstance::getDescription() const
Chris@51 114 {
Chris@239 115 return "";
Chris@51 116 }
Chris@51 117
Chris@51 118 std::string
Chris@51 119 DSSIPluginInstance::getMaker() const
Chris@51 120 {
Chris@51 121 return m_descriptor->LADSPA_Plugin->Maker;
Chris@51 122 }
Chris@51 123
Chris@51 124 int
Chris@51 125 DSSIPluginInstance::getPluginVersion() const
Chris@51 126 {
Chris@51 127 return 1;
Chris@51 128 }
Chris@51 129
Chris@51 130 std::string
Chris@51 131 DSSIPluginInstance::getCopyright() const
Chris@51 132 {
Chris@51 133 return m_descriptor->LADSPA_Plugin->Copyright;
Chris@51 134 }
Chris@51 135
Chris@51 136 DSSIPluginInstance::ParameterList
Chris@51 137 DSSIPluginInstance::getParameterDescriptors() const
Chris@51 138 {
Chris@51 139 ParameterList list;
Chris@51 140 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@51 141
Chris@51 142 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@51 143
Chris@51 144 ParameterDescriptor pd;
Chris@51 145 unsigned int pn = m_controlPortsIn[i].first;
Chris@51 146
Chris@239 147 pd.identifier = m_descriptor->LADSPA_Plugin->PortNames[pn];
Chris@239 148 pd.name = pd.identifier;
Chris@239 149 pd.description = "";
Chris@51 150 pd.minValue = f->getPortMinimum(m_descriptor->LADSPA_Plugin, pn);
Chris@51 151 pd.maxValue = f->getPortMaximum(m_descriptor->LADSPA_Plugin, pn);
Chris@51 152 pd.defaultValue = f->getPortDefault(m_descriptor->LADSPA_Plugin, pn);
Chris@57 153
Chris@57 154 float q = f->getPortQuantization(m_descriptor->LADSPA_Plugin, pn);
Chris@57 155 if (q == 0.0) {
Chris@57 156 pd.isQuantized = false;
Chris@57 157 } else {
Chris@57 158 pd.isQuantized = true;
Chris@57 159 pd.quantizeStep = q;
Chris@57 160 }
Chris@51 161
Chris@51 162 list.push_back(pd);
Chris@51 163 }
Chris@51 164
Chris@51 165 return list;
Chris@51 166 }
Chris@51 167
Chris@51 168 float
Chris@239 169 DSSIPluginInstance::getParameter(std::string id) const
Chris@51 170 {
Chris@117 171 #ifdef DEBUG_DSSI
Chris@239 172 std::cerr << "DSSIPluginInstance::getParameter(" << id << ")" << std::endl;
Chris@117 173 #endif
Chris@51 174 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@239 175 if (id == m_descriptor->LADSPA_Plugin->PortNames[m_controlPortsIn[i].first]) {
Chris@117 176 #ifdef DEBUG_DSSI
Chris@57 177 std::cerr << "Matches port " << i << std::endl;
Chris@117 178 #endif
Chris@57 179 float v = getParameterValue(i);
Chris@117 180 #ifdef DEBUG_DSSI
Chris@57 181 std::cerr << "Returning " << v << std::endl;
Chris@117 182 #endif
Chris@57 183 return v;
Chris@51 184 }
Chris@51 185 }
Chris@51 186
Chris@51 187 return 0.0;
Chris@51 188 }
Chris@51 189
Chris@51 190 void
Chris@239 191 DSSIPluginInstance::setParameter(std::string id, float value)
Chris@51 192 {
Chris@117 193 #ifdef DEBUG_DSSI
Chris@239 194 std::cerr << "DSSIPluginInstance::setParameter(" << id << ", " << value << ")" << std::endl;
Chris@117 195 #endif
Chris@57 196
Chris@51 197 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@239 198 if (id == m_descriptor->LADSPA_Plugin->PortNames[m_controlPortsIn[i].first]) {
Chris@51 199 setParameterValue(i, value);
Chris@51 200 break;
Chris@51 201 }
Chris@51 202 }
Chris@51 203 }
Chris@0 204
Chris@0 205 void
Chris@0 206 DSSIPluginInstance::init()
Chris@0 207 {
Chris@0 208 #ifdef DEBUG_DSSI
Chris@0 209 std::cerr << "DSSIPluginInstance::init" << std::endl;
Chris@0 210 #endif
Chris@0 211
Chris@0 212 // Discover ports numbers and identities
Chris@0 213 //
Chris@0 214 const LADSPA_Descriptor *descriptor = m_descriptor->LADSPA_Plugin;
Chris@0 215
Chris@0 216 for (unsigned long i = 0; i < descriptor->PortCount; ++i)
Chris@0 217 {
Chris@0 218 if (LADSPA_IS_PORT_AUDIO(descriptor->PortDescriptors[i]))
Chris@0 219 {
Chris@0 220 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@0 221 m_audioPortsIn.push_back(i);
Chris@0 222 } else {
Chris@0 223 m_audioPortsOut.push_back(i);
Chris@0 224 }
Chris@0 225 }
Chris@0 226 else
Chris@0 227 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i]))
Chris@0 228 {
Chris@0 229 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@0 230
Chris@0 231 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 232
Chris@0 233 m_controlPortsIn.push_back(std::pair<unsigned long, LADSPA_Data*>
Chris@0 234 (i, data));
Chris@0 235
Chris@0 236 m_backupControlPortsIn.push_back(0.0);
Chris@0 237
Chris@0 238 } else {
Chris@0 239 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 240 m_controlPortsOut.push_back(
Chris@0 241 std::pair<unsigned long, LADSPA_Data*>(i, data));
Chris@0 242 if (!strcmp(descriptor->PortNames[i], "latency") ||
Chris@0 243 !strcmp(descriptor->PortNames[i], "_latency")) {
Chris@0 244 #ifdef DEBUG_DSSI
Chris@0 245 std::cerr << "Wooo! We have a latency port!" << std::endl;
Chris@0 246 #endif
Chris@0 247 m_latencyPort = data;
Chris@0 248 }
Chris@0 249 }
Chris@0 250 }
Chris@0 251 #ifdef DEBUG_DSSI
Chris@0 252 else
Chris@0 253 std::cerr << "DSSIPluginInstance::DSSIPluginInstance - "
Chris@0 254 << "unrecognised port type" << std::endl;
Chris@0 255 #endif
Chris@0 256 }
Chris@0 257
Chris@0 258 m_outputBufferCount = std::max(m_idealChannelCount, m_audioPortsOut.size());
Chris@0 259 }
Chris@0 260
Chris@0 261 size_t
Chris@0 262 DSSIPluginInstance::getLatency()
Chris@0 263 {
Chris@0 264 size_t latency = 0;
Chris@0 265
Chris@0 266 #ifdef DEBUG_DSSI_PROCESS
Chris@0 267 std::cerr << "DSSIPluginInstance::getLatency(): m_latencyPort " << m_latencyPort << ", m_run " << m_run << std::endl;
Chris@0 268 #endif
Chris@0 269
Chris@0 270 if (m_latencyPort) {
Chris@242 271 if (!m_run) {
Chris@259 272 for (size_t i = 0; i < getAudioInputCount(); ++i) {
Chris@259 273 for (size_t j = 0; j < m_blockSize; ++j) {
Chris@242 274 m_inputBuffers[i][j] = 0.f;
Chris@242 275 }
Chris@242 276 }
Chris@242 277 run(Vamp::RealTime::zeroTime);
Chris@242 278 }
Chris@0 279 latency = (size_t)(*m_latencyPort + 0.1);
Chris@0 280 }
Chris@0 281
Chris@0 282 #ifdef DEBUG_DSSI_PROCESS
Chris@0 283 std::cerr << "DSSIPluginInstance::getLatency(): latency is " << latency << std::endl;
Chris@0 284 #endif
Chris@0 285
Chris@0 286 return latency;
Chris@0 287 }
Chris@0 288
Chris@0 289 void
Chris@0 290 DSSIPluginInstance::silence()
Chris@0 291 {
Chris@0 292 if (m_instanceHandle != 0) {
Chris@0 293 deactivate();
Chris@0 294 activate();
Chris@0 295 }
Chris@0 296 }
Chris@0 297
Chris@0 298 void
Chris@0 299 DSSIPluginInstance::discardEvents()
Chris@0 300 {
Chris@0 301 m_eventBuffer.reset();
Chris@0 302 }
Chris@0 303
Chris@0 304 void
Chris@0 305 DSSIPluginInstance::setIdealChannelCount(size_t channels)
Chris@0 306 {
Chris@0 307 #ifdef DEBUG_DSSI
Chris@0 308 std::cerr << "DSSIPluginInstance::setIdealChannelCount: channel count "
Chris@0 309 << channels << " (was " << m_idealChannelCount << ")" << std::endl;
Chris@0 310 #endif
Chris@0 311
Chris@0 312 if (channels == m_idealChannelCount) {
Chris@0 313 silence();
Chris@0 314 return;
Chris@0 315 }
Chris@0 316
Chris@0 317 if (m_instanceHandle != 0) {
Chris@0 318 deactivate();
Chris@0 319 }
Chris@0 320
Chris@0 321 m_idealChannelCount = channels;
Chris@0 322
Chris@0 323 if (channels > m_outputBufferCount) {
Chris@0 324
Chris@0 325 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 326 delete[] m_outputBuffers[i];
Chris@0 327 }
Chris@0 328
Chris@0 329 delete[] m_outputBuffers;
Chris@0 330
Chris@0 331 m_outputBufferCount = channels;
Chris@0 332
Chris@0 333 m_outputBuffers = new sample_t*[m_outputBufferCount];
Chris@0 334
Chris@0 335 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 336 m_outputBuffers[i] = new sample_t[m_blockSize];
Chris@0 337 }
Chris@0 338
Chris@0 339 connectPorts();
Chris@0 340 }
Chris@0 341
Chris@0 342 if (m_instanceHandle != 0) {
Chris@0 343 activate();
Chris@0 344 }
Chris@0 345 }
Chris@0 346
Chris@0 347 void
Chris@0 348 DSSIPluginInstance::detachFromGroup()
Chris@0 349 {
Chris@0 350 if (!m_grouped) return;
Chris@0 351 m_groupMap[m_identifier].erase(this);
Chris@0 352 m_grouped = false;
Chris@0 353 }
Chris@0 354
Chris@0 355 void
Chris@0 356 DSSIPluginInstance::initialiseGroupMembership()
Chris@0 357 {
Chris@0 358 if (!m_descriptor->run_multiple_synths) {
Chris@0 359 m_grouped = false;
Chris@0 360 return;
Chris@0 361 }
Chris@0 362
Chris@0 363 //!!! GroupMap is not actually thread-safe.
Chris@0 364
Chris@0 365 size_t pluginsInGroup = m_groupMap[m_identifier].size();
Chris@0 366
Chris@0 367 if (++pluginsInGroup > m_groupLocalEventBufferCount) {
Chris@0 368
Chris@0 369 size_t nextBufferCount = pluginsInGroup * 2;
Chris@0 370
Chris@0 371 snd_seq_event_t **eventLocalBuffers = new snd_seq_event_t *[nextBufferCount];
Chris@0 372
Chris@0 373 for (size_t i = 0; i < m_groupLocalEventBufferCount; ++i) {
Chris@0 374 eventLocalBuffers[i] = m_groupLocalEventBuffers[i];
Chris@0 375 }
Chris@0 376 for (size_t i = m_groupLocalEventBufferCount; i < nextBufferCount; ++i) {
Chris@0 377 eventLocalBuffers[i] = new snd_seq_event_t[EVENT_BUFFER_SIZE];
Chris@0 378 }
Chris@0 379
Chris@0 380 if (m_groupLocalEventBuffers) {
Chris@0 381 m_bufferScavenger.claim(new ScavengerArrayWrapper<snd_seq_event_t *>
Chris@0 382 (m_groupLocalEventBuffers));
Chris@0 383 }
Chris@0 384
Chris@0 385 m_groupLocalEventBuffers = eventLocalBuffers;
Chris@0 386 m_groupLocalEventBufferCount = nextBufferCount;
Chris@0 387 }
Chris@0 388
Chris@0 389 m_grouped = true;
Chris@0 390 m_groupMap[m_identifier].insert(this);
Chris@0 391 }
Chris@0 392
Chris@0 393 DSSIPluginInstance::~DSSIPluginInstance()
Chris@0 394 {
Chris@117 395 #ifdef DEBUG_DSSI
Chris@0 396 std::cerr << "DSSIPluginInstance::~DSSIPluginInstance" << std::endl;
Chris@117 397 #endif
Chris@0 398
Chris@0 399 if (m_threads.find(m_instanceHandle) != m_threads.end()) {
Chris@0 400
Chris@0 401 for (std::set<NonRTPluginThread *>::iterator i =
Chris@0 402 m_threads[m_instanceHandle].begin();
Chris@0 403 i != m_threads[m_instanceHandle].end(); ++i) {
Chris@0 404
Chris@0 405 (*i)->setExiting();
Chris@0 406 (*i)->wait();
Chris@0 407 delete *i;
Chris@0 408 }
Chris@0 409
Chris@0 410 m_threads.erase(m_instanceHandle);
Chris@0 411 }
Chris@0 412
Chris@0 413 detachFromGroup();
Chris@0 414
Chris@0 415 if (m_instanceHandle != 0) {
Chris@0 416 deactivate();
Chris@0 417 }
Chris@0 418
Chris@0 419 cleanup();
Chris@0 420
Chris@0 421 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i)
Chris@0 422 delete m_controlPortsIn[i].second;
Chris@0 423
Chris@0 424 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i)
Chris@0 425 delete m_controlPortsOut[i].second;
Chris@0 426
Chris@0 427 m_controlPortsIn.clear();
Chris@0 428 m_controlPortsOut.clear();
Chris@0 429
Chris@0 430 if (m_ownBuffers) {
Chris@0 431 for (size_t i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 432 delete[] m_inputBuffers[i];
Chris@0 433 }
Chris@0 434 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 435 delete[] m_outputBuffers[i];
Chris@0 436 }
Chris@0 437
Chris@0 438 delete[] m_inputBuffers;
Chris@0 439 delete[] m_outputBuffers;
Chris@0 440 }
Chris@0 441
Chris@0 442 m_audioPortsIn.clear();
Chris@0 443 m_audioPortsOut.clear();
Chris@0 444 }
Chris@0 445
Chris@0 446
Chris@0 447 void
Chris@0 448 DSSIPluginInstance::instantiate(unsigned long sampleRate)
Chris@0 449 {
Chris@0 450 #ifdef DEBUG_DSSI
Chris@0 451 std::cout << "DSSIPluginInstance::instantiate - plugin \"unique\" id = "
Chris@0 452 << m_descriptor->LADSPA_Plugin->UniqueID << std::endl;
Chris@0 453 #endif
Chris@0 454 if (!m_descriptor) return;
Chris@0 455
Chris@0 456 const LADSPA_Descriptor *descriptor = m_descriptor->LADSPA_Plugin;
Chris@0 457
Chris@0 458 if (!descriptor->instantiate) {
Chris@0 459 std::cerr << "Bad plugin: plugin id " << descriptor->UniqueID
Chris@0 460 << ":" << descriptor->Label
Chris@0 461 << " has no instantiate method!" << std::endl;
Chris@0 462 return;
Chris@0 463 }
Chris@0 464
Chris@0 465 m_instanceHandle = descriptor->instantiate(descriptor, sampleRate);
Chris@0 466
Chris@0 467 if (m_instanceHandle) {
Chris@0 468
Chris@0 469 if (m_descriptor->get_midi_controller_for_port) {
Chris@0 470
Chris@0 471 for (unsigned long i = 0; i < descriptor->PortCount; ++i) {
Chris@0 472
Chris@0 473 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i]) &&
Chris@0 474 LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@0 475
Chris@0 476 int controller = m_descriptor->get_midi_controller_for_port
Chris@0 477 (m_instanceHandle, i);
Chris@0 478
Chris@0 479 if (controller != 0 && controller != 32 &&
Chris@0 480 DSSI_IS_CC(controller)) {
Chris@0 481
Chris@0 482 m_controllerMap[DSSI_CC_NUMBER(controller)] = i;
Chris@0 483 }
Chris@0 484 }
Chris@0 485 }
Chris@0 486 }
Chris@0 487 }
Chris@0 488 }
Chris@0 489
Chris@0 490 void
Chris@0 491 DSSIPluginInstance::checkProgramCache() const
Chris@0 492 {
Chris@0 493 if (m_programCacheValid) return;
Chris@0 494 m_cachedPrograms.clear();
Chris@0 495
Chris@0 496 #ifdef DEBUG_DSSI
Chris@0 497 std::cerr << "DSSIPluginInstance::checkProgramCache" << std::endl;
Chris@0 498 #endif
Chris@0 499
Chris@0 500 if (!m_descriptor || !m_descriptor->get_program) {
Chris@0 501 m_programCacheValid = true;
Chris@0 502 return;
Chris@0 503 }
Chris@0 504
Chris@0 505 unsigned long index = 0;
Chris@0 506 const DSSI_Program_Descriptor *programDescriptor;
Chris@0 507 while ((programDescriptor = m_descriptor->get_program(m_instanceHandle, index))) {
Chris@0 508 ++index;
Chris@0 509 ProgramDescriptor d;
Chris@0 510 d.bank = programDescriptor->Bank;
Chris@0 511 d.program = programDescriptor->Program;
Chris@0 512 d.name = programDescriptor->Name;
Chris@0 513 m_cachedPrograms.push_back(d);
Chris@0 514 }
Chris@0 515
Chris@0 516 #ifdef DEBUG_DSSI
Chris@0 517 std::cerr << "DSSIPluginInstance::checkProgramCache: have " << m_cachedPrograms.size() << " programs" << std::endl;
Chris@0 518 #endif
Chris@0 519
Chris@0 520 m_programCacheValid = true;
Chris@0 521 }
Chris@0 522
Chris@51 523 DSSIPluginInstance::ProgramList
Chris@0 524 DSSIPluginInstance::getPrograms() const
Chris@0 525 {
Chris@0 526 #ifdef DEBUG_DSSI
Chris@0 527 std::cerr << "DSSIPluginInstance::getPrograms" << std::endl;
Chris@0 528 #endif
Chris@0 529
Chris@51 530 if (!m_descriptor) return ProgramList();
Chris@0 531
Chris@0 532 checkProgramCache();
Chris@0 533
Chris@51 534 ProgramList programs;
Chris@0 535
Chris@0 536 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 537 i != m_cachedPrograms.end(); ++i) {
Chris@0 538 programs.push_back(i->name);
Chris@0 539 }
Chris@0 540
Chris@0 541 return programs;
Chris@0 542 }
Chris@0 543
Chris@51 544 std::string
Chris@0 545 DSSIPluginInstance::getProgram(int bank, int program) const
Chris@0 546 {
Chris@0 547 #ifdef DEBUG_DSSI
Chris@0 548 std::cerr << "DSSIPluginInstance::getProgram(" << bank << "," << program << ")" << std::endl;
Chris@0 549 #endif
Chris@0 550
Chris@51 551 if (!m_descriptor) return std::string();
Chris@0 552
Chris@0 553 checkProgramCache();
Chris@0 554
Chris@0 555 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 556 i != m_cachedPrograms.end(); ++i) {
Chris@0 557 if (i->bank == bank && i->program == program) return i->name;
Chris@0 558 }
Chris@0 559
Chris@51 560 return std::string();
Chris@0 561 }
Chris@0 562
Chris@0 563 unsigned long
Chris@51 564 DSSIPluginInstance::getProgram(std::string name) const
Chris@0 565 {
Chris@0 566 #ifdef DEBUG_DSSI
Chris@0 567 std::cerr << "DSSIPluginInstance::getProgram(" << name << ")" << std::endl;
Chris@0 568 #endif
Chris@0 569
Chris@0 570 if (!m_descriptor) return 0;
Chris@0 571
Chris@0 572 checkProgramCache();
Chris@0 573
Chris@0 574 unsigned long rv;
Chris@0 575
Chris@0 576 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 577 i != m_cachedPrograms.end(); ++i) {
Chris@0 578 if (i->name == name) {
Chris@0 579 rv = i->bank;
Chris@0 580 rv = (rv << 16) + i->program;
Chris@0 581 return rv;
Chris@0 582 }
Chris@0 583 }
Chris@0 584
Chris@0 585 return 0;
Chris@0 586 }
Chris@0 587
Chris@51 588 std::string
Chris@0 589 DSSIPluginInstance::getCurrentProgram() const
Chris@0 590 {
Chris@0 591 return m_program;
Chris@0 592 }
Chris@0 593
Chris@0 594 void
Chris@51 595 DSSIPluginInstance::selectProgram(std::string program)
Chris@0 596 {
Chris@0 597 selectProgramAux(program, true);
Chris@0 598 }
Chris@0 599
Chris@0 600 void
Chris@51 601 DSSIPluginInstance::selectProgramAux(std::string program, bool backupPortValues)
Chris@0 602 {
Chris@0 603 #ifdef DEBUG_DSSI
Chris@0 604 std::cerr << "DSSIPluginInstance::selectProgram(" << program << ")" << std::endl;
Chris@0 605 #endif
Chris@0 606
Chris@0 607 if (!m_descriptor) return;
Chris@0 608
Chris@0 609 checkProgramCache();
Chris@0 610
Chris@0 611 if (!m_descriptor->select_program) return;
Chris@0 612
Chris@0 613 bool found = false;
Chris@0 614 unsigned long bankNo = 0, programNo = 0;
Chris@0 615
Chris@0 616 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 617 i != m_cachedPrograms.end(); ++i) {
Chris@0 618
Chris@0 619 if (i->name == program) {
Chris@0 620
Chris@0 621 bankNo = i->bank;
Chris@0 622 programNo = i->program;
Chris@0 623 found = true;
Chris@0 624
Chris@0 625 #ifdef DEBUG_DSSI
Chris@0 626 std::cerr << "DSSIPluginInstance::selectProgram(" << program << "): found at bank " << bankNo << ", program " << programNo << std::endl;
Chris@0 627 #endif
Chris@0 628
Chris@0 629 break;
Chris@0 630 }
Chris@0 631 }
Chris@0 632
Chris@0 633 if (!found) return;
Chris@0 634 m_program = program;
Chris@0 635
Chris@0 636 // DSSI select_program is an audio context call
Chris@0 637 m_processLock.lock();
Chris@0 638 m_descriptor->select_program(m_instanceHandle, bankNo, programNo);
Chris@0 639 m_processLock.unlock();
Chris@0 640
Chris@0 641 #ifdef DEBUG_DSSI
Chris@0 642 std::cerr << "DSSIPluginInstance::selectProgram(" << program << "): made select_program(" << bankNo << "," << programNo << ") call" << std::endl;
Chris@0 643 #endif
Chris@0 644
Chris@0 645 if (backupPortValues) {
Chris@0 646 for (size_t i = 0; i < m_backupControlPortsIn.size(); ++i) {
Chris@0 647 m_backupControlPortsIn[i] = *m_controlPortsIn[i].second;
Chris@0 648 }
Chris@0 649 }
Chris@0 650 }
Chris@0 651
Chris@0 652 void
Chris@0 653 DSSIPluginInstance::activate()
Chris@0 654 {
Chris@0 655 #ifdef DEBUG_DSSI
Chris@0 656 std::cerr << "DSSIPluginInstance::activate" << std::endl;
Chris@0 657 #endif
Chris@0 658
Chris@0 659 if (!m_descriptor || !m_descriptor->LADSPA_Plugin->activate) return;
Chris@0 660 m_descriptor->LADSPA_Plugin->activate(m_instanceHandle);
Chris@0 661
Chris@51 662 if (m_program != "") {
Chris@0 663 #ifdef DEBUG_DSSI
Chris@0 664 std::cerr << "DSSIPluginInstance::activate: restoring program " << m_program << std::endl;
Chris@0 665 #endif
Chris@0 666 selectProgramAux(m_program, false);
Chris@0 667 }
Chris@0 668
Chris@0 669 for (size_t i = 0; i < m_backupControlPortsIn.size(); ++i) {
Chris@0 670 #ifdef DEBUG_DSSI
Chris@0 671 std::cerr << "DSSIPluginInstance::activate: setting port " << m_controlPortsIn[i].first << " to " << m_backupControlPortsIn[i] << std::endl;
Chris@0 672 #endif
Chris@0 673 *m_controlPortsIn[i].second = m_backupControlPortsIn[i];
Chris@0 674 }
Chris@0 675 }
Chris@0 676
Chris@0 677 void
Chris@0 678 DSSIPluginInstance::connectPorts()
Chris@0 679 {
Chris@0 680 if (!m_descriptor || !m_descriptor->LADSPA_Plugin->connect_port) return;
Chris@117 681 #ifdef DEBUG_DSSI
Chris@0 682 std::cerr << "DSSIPluginInstance::connectPorts: " << m_audioPortsIn.size()
Chris@0 683 << " audio ports in, " << m_audioPortsOut.size() << " out, "
Chris@0 684 << m_outputBufferCount << " output buffers" << std::endl;
Chris@117 685 #endif
Chris@0 686
Chris@0 687 assert(sizeof(LADSPA_Data) == sizeof(float));
Chris@0 688 assert(sizeof(sample_t) == sizeof(float));
Chris@57 689
Chris@57 690 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 691 int inbuf = 0, outbuf = 0;
Chris@0 692
Chris@0 693 for (unsigned int i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 694 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 695 (m_instanceHandle,
Chris@0 696 m_audioPortsIn[i],
Chris@0 697 (LADSPA_Data *)m_inputBuffers[inbuf]);
Chris@0 698 ++inbuf;
Chris@0 699 }
Chris@0 700
Chris@0 701 for (unsigned int i = 0; i < m_audioPortsOut.size(); ++i) {
Chris@0 702 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 703 (m_instanceHandle,
Chris@0 704 m_audioPortsOut[i],
Chris@0 705 (LADSPA_Data *)m_outputBuffers[outbuf]);
Chris@0 706 ++outbuf;
Chris@0 707 }
Chris@0 708
Chris@0 709 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@0 710 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 711 (m_instanceHandle,
Chris@0 712 m_controlPortsIn[i].first,
Chris@0 713 m_controlPortsIn[i].second);
Chris@57 714
Chris@57 715 if (f) {
Chris@57 716 float defaultValue = f->getPortDefault
Chris@57 717 (m_descriptor->LADSPA_Plugin, m_controlPortsIn[i].first);
Chris@57 718 *m_controlPortsIn[i].second = defaultValue;
Chris@57 719 m_backupControlPortsIn[i] = defaultValue;
Chris@117 720 #ifdef DEBUG_DSSI
Chris@57 721 std::cerr << "DSSIPluginInstance::connectPorts: set control port " << i << " to default value " << defaultValue << std::endl;
Chris@117 722 #endif
Chris@57 723 }
Chris@0 724 }
Chris@0 725
Chris@0 726 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i) {
Chris@0 727 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 728 (m_instanceHandle,
Chris@0 729 m_controlPortsOut[i].first,
Chris@0 730 m_controlPortsOut[i].second);
Chris@0 731 }
Chris@0 732 }
Chris@0 733
Chris@0 734 unsigned int
Chris@0 735 DSSIPluginInstance::getParameterCount() const
Chris@0 736 {
Chris@0 737 return m_controlPortsIn.size();
Chris@0 738 }
Chris@0 739
Chris@0 740 void
Chris@0 741 DSSIPluginInstance::setParameterValue(unsigned int parameter, float value)
Chris@0 742 {
Chris@0 743 #ifdef DEBUG_DSSI
Chris@0 744 std::cerr << "DSSIPluginInstance::setParameterValue(" << parameter << ") to " << value << std::endl;
Chris@0 745 #endif
Chris@0 746 if (parameter >= m_controlPortsIn.size()) return;
Chris@0 747
Chris@0 748 unsigned int portNumber = m_controlPortsIn[parameter].first;
Chris@0 749
Chris@0 750 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 751 if (f) {
Chris@0 752 if (value < f->getPortMinimum(m_descriptor->LADSPA_Plugin, portNumber)) {
Chris@0 753 value = f->getPortMinimum(m_descriptor->LADSPA_Plugin, portNumber);
Chris@0 754 }
Chris@0 755 if (value > f->getPortMaximum(m_descriptor->LADSPA_Plugin, portNumber)) {
Chris@0 756 value = f->getPortMaximum(m_descriptor->LADSPA_Plugin, portNumber);
Chris@0 757 }
Chris@0 758 }
Chris@0 759
Chris@0 760 (*m_controlPortsIn[parameter].second) = value;
Chris@0 761 m_backupControlPortsIn[parameter] = value;
Chris@0 762 }
Chris@0 763
Chris@0 764 void
Chris@0 765 DSSIPluginInstance::setPortValueFromController(unsigned int port, int cv)
Chris@0 766 {
Chris@0 767 #ifdef DEBUG_DSSI
Chris@0 768 std::cerr << "DSSIPluginInstance::setPortValueFromController(" << port << ") to " << cv << std::endl;
Chris@0 769 #endif
Chris@0 770
Chris@0 771 const LADSPA_Descriptor *p = m_descriptor->LADSPA_Plugin;
Chris@0 772 LADSPA_PortRangeHintDescriptor d = p->PortRangeHints[port].HintDescriptor;
Chris@0 773 LADSPA_Data lb = p->PortRangeHints[port].LowerBound;
Chris@0 774 LADSPA_Data ub = p->PortRangeHints[port].UpperBound;
Chris@0 775
Chris@0 776 float value = (float)cv;
Chris@0 777
Chris@0 778 if (!LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
Chris@0 779 if (!LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 780 /* unbounded: might as well leave the value alone. */
Chris@0 781 } else {
Chris@0 782 /* bounded above only. just shift the range. */
Chris@0 783 value = ub - 127.0f + value;
Chris@0 784 }
Chris@0 785 } else {
Chris@0 786 if (!LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 787 /* bounded below only. just shift the range. */
Chris@0 788 value = lb + value;
Chris@0 789 } else {
Chris@0 790 /* bounded both ends. more interesting. */
Chris@0 791 /* XXX !!! todo: fill in logarithmic, sample rate &c */
Chris@0 792 value = lb + ((ub - lb) * value / 127.0f);
Chris@0 793 }
Chris@0 794 }
Chris@0 795
Chris@0 796 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@0 797 if (m_controlPortsIn[i].first == port) {
Chris@0 798 setParameterValue(i, value);
Chris@0 799 }
Chris@0 800 }
Chris@0 801 }
Chris@0 802
Chris@0 803 float
Martin@62 804 DSSIPluginInstance::getControlOutputValue(size_t output) const
Chris@60 805 {
Chris@60 806 if (output > m_controlPortsOut.size()) return 0.0;
Chris@60 807 return (*m_controlPortsOut[output].second);
Chris@60 808 }
Chris@60 809
Chris@60 810 float
Chris@0 811 DSSIPluginInstance::getParameterValue(unsigned int parameter) const
Chris@0 812 {
Chris@0 813 #ifdef DEBUG_DSSI
Chris@0 814 std::cerr << "DSSIPluginInstance::getParameterValue(" << parameter << ")" << std::endl;
Chris@0 815 #endif
Chris@0 816 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 817 return (*m_controlPortsIn[parameter].second);
Chris@0 818 }
Chris@0 819
Chris@0 820 float
Chris@0 821 DSSIPluginInstance::getParameterDefault(unsigned int parameter) const
Chris@0 822 {
Chris@0 823 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 824
Chris@0 825 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 826 if (f) {
Chris@0 827 return f->getPortDefault(m_descriptor->LADSPA_Plugin,
Chris@0 828 m_controlPortsIn[parameter].first);
Chris@0 829 } else {
Chris@0 830 return 0.0f;
Chris@0 831 }
Chris@0 832 }
Chris@0 833
Chris@356 834 int
Chris@356 835 DSSIPluginInstance::getParameterDisplayHint(unsigned int parameter) const
Chris@356 836 {
Chris@356 837 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@356 838
Chris@356 839 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@356 840 if (f) {
Chris@356 841 return f->getPortDisplayHint(m_descriptor->LADSPA_Plugin,
Chris@356 842 m_controlPortsIn[parameter].first);
Chris@356 843 } else {
Chris@356 844 return PortHint::NoHint;
Chris@356 845 }
Chris@356 846 }
Chris@356 847
Chris@51 848 std::string
Chris@51 849 DSSIPluginInstance::configure(std::string key,
Chris@51 850 std::string value)
Chris@0 851 {
Chris@51 852 if (!m_descriptor || !m_descriptor->configure) return std::string();
Chris@0 853
Chris@51 854 if (key == PluginIdentifier::RESERVED_PROJECT_DIRECTORY_KEY.toStdString()) {
Chris@0 855 #ifdef DSSI_PROJECT_DIRECTORY_KEY
Chris@0 856 key = DSSI_PROJECT_DIRECTORY_KEY;
Chris@0 857 #else
Chris@51 858 return std::string();
Chris@0 859 #endif
Chris@0 860 }
Chris@0 861
Chris@0 862
Chris@0 863 #ifdef DEBUG_DSSI
Chris@0 864 std::cerr << "DSSIPluginInstance::configure(" << key << "," << value << ")" << std::endl;
Chris@0 865 #endif
Chris@0 866
Chris@0 867 char *message = m_descriptor->configure(m_instanceHandle,
Chris@51 868 key.c_str(),
Chris@51 869 value.c_str());
Chris@0 870
Chris@0 871 m_programCacheValid = false;
Chris@0 872
Chris@75 873 m_configurationData[key] = value;
Chris@75 874
Chris@51 875 std::string qm;
Chris@0 876
Chris@0 877 // Ignore return values from reserved key configuration calls such
Chris@0 878 // as project directory
Chris@0 879 #ifdef DSSI_RESERVED_CONFIGURE_PREFIX
Chris@51 880 if (QString(key.c_str()).startsWith(DSSI_RESERVED_CONFIGURE_PREFIX)) {
Chris@0 881 return qm;
Chris@0 882 }
Chris@0 883 #endif
Chris@0 884
Chris@0 885 if (message) {
Chris@0 886 if (m_descriptor->LADSPA_Plugin && m_descriptor->LADSPA_Plugin->Label) {
Chris@51 887 qm = std::string(m_descriptor->LADSPA_Plugin->Label) + ": ";
Chris@0 888 }
Chris@0 889 qm = qm + message;
Chris@0 890 free(message);
Chris@83 891
Chris@84 892 std::cerr << "DSSIPluginInstance::configure: warning: configure returned message: \"" << qm << "\"" << std::endl;
Chris@0 893 }
Chris@0 894
Chris@0 895 return qm;
Chris@0 896 }
Chris@0 897
Chris@0 898 void
Chris@66 899 DSSIPluginInstance::sendEvent(const Vamp::RealTime &eventTime,
Chris@0 900 const void *e)
Chris@0 901 {
Chris@11 902 #ifdef DEBUG_DSSI_PROCESS
Chris@11 903 std::cerr << "DSSIPluginInstance::sendEvent: last was " << m_lastEventSendTime << " (valid " << m_haveLastEventSendTime << "), this is " << eventTime << std::endl;
Chris@11 904 #endif
Chris@11 905
Chris@11 906 // The process mechanism only works correctly if the events are
Chris@11 907 // sorted. It's the responsibility of the caller to ensure that:
Chris@11 908 // we will happily drop events here if we find the timeline going
Chris@11 909 // backwards.
Chris@10 910 if (m_haveLastEventSendTime &&
Chris@10 911 m_lastEventSendTime > eventTime) {
Chris@11 912 #ifdef DEBUG_DSSI_PROCESS
Chris@11 913 std::cerr << "... clearing down" << std::endl;
Chris@11 914 #endif
Chris@11 915 m_haveLastEventSendTime = false;
Chris@10 916 clearEvents();
Chris@10 917 }
Chris@10 918
Chris@0 919 snd_seq_event_t *event = (snd_seq_event_t *)e;
Chris@0 920 #ifdef DEBUG_DSSI_PROCESS
Chris@0 921 std::cerr << "DSSIPluginInstance::sendEvent at " << eventTime << std::endl;
Chris@0 922 #endif
Chris@0 923 snd_seq_event_t ev(*event);
Chris@0 924
Chris@0 925 ev.time.time.tv_sec = eventTime.sec;
Chris@0 926 ev.time.time.tv_nsec = eventTime.nsec;
Chris@0 927
Chris@0 928 // DSSI doesn't use MIDI channels, it uses run_multiple_synths instead.
Chris@0 929 ev.data.note.channel = 0;
Chris@0 930
Chris@0 931 m_eventBuffer.write(&ev, 1);
Chris@11 932
Chris@11 933 m_lastEventSendTime = eventTime;
Chris@11 934 m_haveLastEventSendTime = true;
Chris@0 935 }
Chris@0 936
Chris@10 937 void
Chris@10 938 DSSIPluginInstance::clearEvents()
Chris@10 939 {
Chris@10 940 m_haveLastEventSendTime = false;
Chris@10 941 m_eventBuffer.reset();
Chris@10 942 }
Chris@10 943
Chris@0 944 bool
Chris@0 945 DSSIPluginInstance::handleController(snd_seq_event_t *ev)
Chris@0 946 {
Chris@0 947 int controller = ev->data.control.param;
Chris@0 948
Chris@0 949 #ifdef DEBUG_DSSI_PROCESS
Chris@0 950 std::cerr << "DSSIPluginInstance::handleController " << controller << std::endl;
Chris@0 951 #endif
Chris@0 952
Chris@0 953 if (controller == 0) { // bank select MSB
Chris@0 954
Chris@0 955 m_pending.msb = ev->data.control.value;
Chris@0 956
Chris@0 957 } else if (controller == 32) { // bank select LSB
Chris@0 958
Chris@0 959 m_pending.lsb = ev->data.control.value;
Chris@0 960
Chris@0 961 } else if (controller > 0 && controller < 128) {
Chris@0 962
Chris@0 963 if (m_controllerMap.find(controller) != m_controllerMap.end()) {
Chris@0 964 int port = m_controllerMap[controller];
Chris@0 965 setPortValueFromController(port, ev->data.control.value);
Chris@0 966 } else {
Chris@0 967 return true; // pass through to plugin
Chris@0 968 }
Chris@0 969 }
Chris@0 970
Chris@0 971 return false;
Chris@0 972 }
Chris@0 973
Chris@0 974 void
Chris@385 975 DSSIPluginInstance::run(const Vamp::RealTime &blockTime, size_t count)
Chris@0 976 {
Chris@0 977 static snd_seq_event_t localEventBuffer[EVENT_BUFFER_SIZE];
Chris@0 978 int evCount = 0;
Chris@0 979
Chris@385 980 if (count == 0) count = m_blockSize;
Chris@385 981
Chris@0 982 bool needLock = false;
Chris@0 983 if (m_descriptor->select_program) needLock = true;
Chris@0 984
Chris@0 985 if (needLock) {
Chris@0 986 if (!m_processLock.tryLock()) {
Chris@0 987 for (size_t ch = 0; ch < m_audioPortsOut.size(); ++ch) {
Chris@0 988 memset(m_outputBuffers[ch], 0, m_blockSize * sizeof(sample_t));
Chris@0 989 }
Chris@0 990 return;
Chris@0 991 }
Chris@0 992 }
Chris@0 993
Chris@0 994 if (m_grouped) {
Chris@0 995 runGrouped(blockTime);
Chris@0 996 goto done;
Chris@0 997 }
Chris@0 998
Chris@0 999 if (!m_descriptor || !m_descriptor->run_synth) {
Chris@0 1000 m_eventBuffer.skip(m_eventBuffer.getReadSpace());
Chris@10 1001 m_haveLastEventSendTime = false;
Chris@0 1002 if (m_descriptor->LADSPA_Plugin->run) {
Chris@385 1003 m_descriptor->LADSPA_Plugin->run(m_instanceHandle, count);
Chris@0 1004 } else {
Chris@0 1005 for (size_t ch = 0; ch < m_audioPortsOut.size(); ++ch) {
Chris@0 1006 memset(m_outputBuffers[ch], 0, m_blockSize * sizeof(sample_t));
Chris@0 1007 }
Chris@0 1008 }
Chris@0 1009 m_run = true;
Chris@0 1010 if (needLock) m_processLock.unlock();
Chris@0 1011 return;
Chris@0 1012 }
Chris@0 1013
Chris@0 1014 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1015 std::cerr << "DSSIPluginInstance::run(" << blockTime << ")" << std::endl;
Chris@0 1016 #endif
Chris@0 1017
Chris@0 1018 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1019 if (m_eventBuffer.getReadSpace() > 0) {
Chris@0 1020 std::cerr << "DSSIPluginInstance::run: event buffer has "
Chris@0 1021 << m_eventBuffer.getReadSpace() << " event(s) in it" << std::endl;
Chris@0 1022 }
Chris@0 1023 #endif
Chris@0 1024
Chris@0 1025 while (m_eventBuffer.getReadSpace() > 0) {
Chris@0 1026
Chris@0 1027 snd_seq_event_t *ev = localEventBuffer + evCount;
Chris@0 1028 *ev = m_eventBuffer.peekOne();
Chris@0 1029 bool accept = true;
Chris@0 1030
Chris@66 1031 Vamp::RealTime evTime(ev->time.time.tv_sec, ev->time.time.tv_nsec);
Chris@0 1032
Chris@0 1033 int frameOffset = 0;
Chris@0 1034 if (evTime > blockTime) {
Chris@66 1035 frameOffset = Vamp::RealTime::realTime2Frame(evTime - blockTime, m_sampleRate);
Chris@0 1036 }
Chris@0 1037
Chris@0 1038 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1039 std::cerr << "DSSIPluginInstance::run: evTime " << evTime << ", blockTime " << blockTime << ", frameOffset " << frameOffset
Chris@0 1040 << ", blockSize " << m_blockSize << std::endl;
Chris@0 1041 std::cerr << "Type: " << int(ev->type) << ", pitch: " << int(ev->data.note.note) << ", velocity: " << int(ev->data.note.velocity) << std::endl;
Chris@0 1042 #endif
Chris@0 1043
Chris@385 1044 if (frameOffset >= int(count)) break;
Chris@10 1045 if (frameOffset < 0) {
Chris@10 1046 frameOffset = 0;
Chris@10 1047 if (ev->type == SND_SEQ_EVENT_NOTEON) {
Chris@10 1048 m_eventBuffer.skip(1);
Chris@10 1049 continue;
Chris@10 1050 }
Chris@10 1051 }
Chris@0 1052
Chris@0 1053 ev->time.tick = frameOffset;
Chris@0 1054 m_eventBuffer.skip(1);
Chris@0 1055
Chris@0 1056 if (ev->type == SND_SEQ_EVENT_CONTROLLER) {
Chris@0 1057 accept = handleController(ev);
Chris@0 1058 } else if (ev->type == SND_SEQ_EVENT_PGMCHANGE) {
Chris@0 1059 m_pending.program = ev->data.control.value;
Chris@0 1060 accept = false;
Chris@0 1061 }
Chris@0 1062
Chris@0 1063 if (accept) {
Chris@0 1064 if (++evCount >= EVENT_BUFFER_SIZE) break;
Chris@0 1065 }
Chris@0 1066 }
Chris@0 1067
Chris@0 1068 if (m_pending.program >= 0 && m_descriptor->select_program) {
Chris@0 1069
Chris@0 1070 int program = m_pending.program;
Chris@0 1071 int bank = m_pending.lsb + 128 * m_pending.msb;
Chris@0 1072
Chris@0 1073 #ifdef DEBUG_DSSI
Chris@0 1074 std::cerr << "DSSIPluginInstance::run: making select_program(" << bank << "," << program << ") call" << std::endl;
Chris@0 1075 #endif
Chris@0 1076
Chris@0 1077 m_pending.lsb = m_pending.msb = m_pending.program = -1;
Chris@0 1078 m_descriptor->select_program(m_instanceHandle, bank, program);
Chris@0 1079
Chris@0 1080 #ifdef DEBUG_DSSI
Chris@0 1081 std::cerr << "DSSIPluginInstance::run: made select_program(" << bank << "," << program << ") call" << std::endl;
Chris@0 1082 #endif
Chris@0 1083 }
Chris@0 1084
Chris@0 1085 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1086 std::cerr << "DSSIPluginInstance::run: running with " << evCount << " events"
Chris@0 1087 << std::endl;
Chris@0 1088 #endif
Chris@0 1089
Chris@385 1090 m_descriptor->run_synth(m_instanceHandle, count,
Chris@0 1091 localEventBuffer, evCount);
Chris@0 1092
Chris@0 1093 #ifdef DEBUG_DSSI_PROCESS
Chris@385 1094 // for (int i = 0; i < count; ++i) {
Chris@0 1095 // std::cout << m_outputBuffers[0][i] << " ";
Chris@0 1096 // if (i % 8 == 0) std::cout << std::endl;
Chris@0 1097 // }
Chris@0 1098 #endif
Chris@0 1099
Chris@0 1100 done:
Chris@0 1101 if (needLock) m_processLock.unlock();
Chris@0 1102
Chris@0 1103 if (m_audioPortsOut.size() == 0) {
Chris@0 1104 // copy inputs to outputs
Chris@0 1105 for (size_t ch = 0; ch < m_idealChannelCount; ++ch) {
Chris@0 1106 size_t sch = ch % m_audioPortsIn.size();
Chris@0 1107 for (size_t i = 0; i < m_blockSize; ++i) {
Chris@0 1108 m_outputBuffers[ch][i] = m_inputBuffers[sch][i];
Chris@0 1109 }
Chris@0 1110 }
Chris@0 1111 } else if (m_idealChannelCount < m_audioPortsOut.size()) {
Chris@0 1112 if (m_idealChannelCount == 1) {
Chris@0 1113 // mix down to mono
Chris@0 1114 for (size_t ch = 1; ch < m_audioPortsOut.size(); ++ch) {
Chris@0 1115 for (size_t i = 0; i < m_blockSize; ++i) {
Chris@0 1116 m_outputBuffers[0][i] += m_outputBuffers[ch][i];
Chris@0 1117 }
Chris@0 1118 }
Chris@0 1119 }
Chris@0 1120 } else if (m_idealChannelCount > m_audioPortsOut.size()) {
Chris@0 1121 // duplicate
Chris@0 1122 for (size_t ch = m_audioPortsOut.size(); ch < m_idealChannelCount; ++ch) {
Chris@0 1123 size_t sch = (ch - m_audioPortsOut.size()) % m_audioPortsOut.size();
Chris@0 1124 for (size_t i = 0; i < m_blockSize; ++i) {
Chris@0 1125 m_outputBuffers[ch][i] = m_outputBuffers[sch][i];
Chris@0 1126 }
Chris@0 1127 }
Chris@0 1128 }
Chris@0 1129
Chris@0 1130 m_lastRunTime = blockTime;
Chris@0 1131 m_run = true;
Chris@0 1132 }
Chris@0 1133
Chris@0 1134 void
Chris@66 1135 DSSIPluginInstance::runGrouped(const Vamp::RealTime &blockTime)
Chris@0 1136 {
Chris@0 1137 // If something else in our group has just been called for this
Chris@0 1138 // block time (but we haven't) then we should just write out the
Chris@0 1139 // results and return; if we have just been called for this block
Chris@0 1140 // time or nothing else in the group has been, we should run the
Chris@0 1141 // whole group.
Chris@0 1142
Chris@0 1143 bool needRun = true;
Chris@0 1144
Chris@0 1145 PluginSet &s = m_groupMap[m_identifier];
Chris@0 1146
Chris@0 1147 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1148 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): this is " << this << "; " << s.size() << " elements in m_groupMap[" << m_identifier << "]" << std::endl;
Chris@0 1149 #endif
Chris@0 1150
Chris@0 1151 if (m_lastRunTime != blockTime) {
Chris@0 1152 for (PluginSet::iterator i = s.begin(); i != s.end(); ++i) {
Chris@0 1153 DSSIPluginInstance *instance = *i;
Chris@0 1154 if (instance != this && instance->m_lastRunTime == blockTime) {
Chris@0 1155 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1156 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): plugin " << instance << " has already been run" << std::endl;
Chris@0 1157 #endif
Chris@0 1158 needRun = false;
Chris@0 1159 }
Chris@0 1160 }
Chris@0 1161 }
Chris@0 1162
Chris@0 1163 if (!needRun) {
Chris@0 1164 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1165 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): already run, returning" << std::endl;
Chris@0 1166 #endif
Chris@0 1167 return;
Chris@0 1168 }
Chris@0 1169
Chris@0 1170 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1171 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): I'm the first, running" << std::endl;
Chris@0 1172 #endif
Chris@0 1173
Chris@0 1174 size_t index = 0;
Chris@0 1175 unsigned long *counts = (unsigned long *)
Chris@0 1176 alloca(m_groupLocalEventBufferCount * sizeof(unsigned long));
Chris@0 1177 LADSPA_Handle *instances = (LADSPA_Handle *)
Chris@0 1178 alloca(m_groupLocalEventBufferCount * sizeof(LADSPA_Handle));
Chris@0 1179
Chris@0 1180 for (PluginSet::iterator i = s.begin(); i != s.end(); ++i) {
Chris@0 1181
Chris@0 1182 if (index >= m_groupLocalEventBufferCount) break;
Chris@0 1183
Chris@0 1184 DSSIPluginInstance *instance = *i;
Chris@0 1185 counts[index] = 0;
Chris@0 1186 instances[index] = instance->m_instanceHandle;
Chris@0 1187
Chris@0 1188 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1189 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): running " << instance << std::endl;
Chris@0 1190 #endif
Chris@0 1191
Chris@0 1192 if (instance->m_pending.program >= 0 &&
Chris@0 1193 instance->m_descriptor->select_program) {
Chris@0 1194 int program = instance->m_pending.program;
Chris@0 1195 int bank = instance->m_pending.lsb + 128 * instance->m_pending.msb;
Chris@0 1196 instance->m_pending.lsb = instance->m_pending.msb = instance->m_pending.program = -1;
Chris@0 1197 instance->m_descriptor->select_program
Chris@0 1198 (instance->m_instanceHandle, bank, program);
Chris@0 1199 }
Chris@0 1200
Chris@0 1201 while (instance->m_eventBuffer.getReadSpace() > 0) {
Chris@0 1202
Chris@0 1203 snd_seq_event_t *ev = m_groupLocalEventBuffers[index] + counts[index];
Chris@0 1204 *ev = instance->m_eventBuffer.peekOne();
Chris@0 1205 bool accept = true;
Chris@0 1206
Chris@66 1207 Vamp::RealTime evTime(ev->time.time.tv_sec, ev->time.time.tv_nsec);
Chris@0 1208
Chris@0 1209 int frameOffset = 0;
Chris@0 1210 if (evTime > blockTime) {
Chris@66 1211 frameOffset = Vamp::RealTime::realTime2Frame(evTime - blockTime, m_sampleRate);
Chris@0 1212 }
Chris@0 1213
Chris@0 1214 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1215 std::cerr << "DSSIPluginInstance::runGrouped: evTime " << evTime << ", frameOffset " << frameOffset
Chris@0 1216 << ", block size " << m_blockSize << std::endl;
Chris@0 1217 #endif
Chris@0 1218
Chris@0 1219 if (frameOffset >= int(m_blockSize)) break;
Chris@0 1220 if (frameOffset < 0) frameOffset = 0;
Chris@0 1221
Chris@0 1222 ev->time.tick = frameOffset;
Chris@0 1223 instance->m_eventBuffer.skip(1);
Chris@0 1224
Chris@0 1225 if (ev->type == SND_SEQ_EVENT_CONTROLLER) {
Chris@0 1226 accept = instance->handleController(ev);
Chris@0 1227 } else if (ev->type == SND_SEQ_EVENT_PGMCHANGE) {
Chris@0 1228 instance->m_pending.program = ev->data.control.value;
Chris@0 1229 accept = false;
Chris@0 1230 }
Chris@0 1231
Chris@0 1232 if (accept) {
Chris@0 1233 if (++counts[index] >= EVENT_BUFFER_SIZE) break;
Chris@0 1234 }
Chris@0 1235 }
Chris@0 1236
Chris@0 1237 ++index;
Chris@0 1238 }
Chris@0 1239
Chris@0 1240 m_descriptor->run_multiple_synths(index,
Chris@0 1241 instances,
Chris@0 1242 m_blockSize,
Chris@0 1243 m_groupLocalEventBuffers,
Chris@0 1244 counts);
Chris@0 1245 }
Chris@0 1246
Chris@0 1247 int
Chris@259 1248 DSSIPluginInstance::requestMidiSend(LADSPA_Handle /* instance */,
Chris@259 1249 unsigned char /* ports */,
Chris@259 1250 unsigned char /* channels */)
Chris@0 1251 {
Chris@0 1252 // This is called from a non-RT context (during instantiate)
Chris@0 1253
Chris@0 1254 std::cerr << "DSSIPluginInstance::requestMidiSend" << std::endl;
Chris@0 1255 return 1;
Chris@0 1256 }
Chris@0 1257
Chris@0 1258 void
Chris@259 1259 DSSIPluginInstance::midiSend(LADSPA_Handle /* instance */,
Chris@259 1260 snd_seq_event_t * /* events */,
Chris@259 1261 unsigned long /* eventCount */)
Chris@0 1262 {
Chris@0 1263 // This is likely to be called from an RT context
Chris@0 1264
Chris@0 1265 std::cerr << "DSSIPluginInstance::midiSend" << std::endl;
Chris@0 1266 }
Chris@0 1267
Chris@0 1268 void
Chris@0 1269 DSSIPluginInstance::NonRTPluginThread::run()
Chris@0 1270 {
Chris@0 1271 while (!m_exiting) {
Chris@0 1272 m_runFunction(m_handle);
Chris@0 1273 usleep(100000);
Chris@0 1274 }
Chris@0 1275 }
Chris@0 1276
Chris@0 1277 int
Chris@0 1278 DSSIPluginInstance::requestNonRTThread(LADSPA_Handle instance,
Chris@0 1279 void (*runFunction)(LADSPA_Handle))
Chris@0 1280 {
Chris@0 1281 NonRTPluginThread *thread = new NonRTPluginThread(instance, runFunction);
Chris@0 1282 m_threads[instance].insert(thread);
Chris@0 1283 thread->start();
Chris@0 1284 return 0;
Chris@0 1285 }
Chris@0 1286
Chris@0 1287 void
Chris@0 1288 DSSIPluginInstance::deactivate()
Chris@0 1289 {
Chris@0 1290 #ifdef DEBUG_DSSI
Chris@0 1291 std::cerr << "DSSIPluginInstance::deactivate " << m_identifier << std::endl;
Chris@0 1292 #endif
Chris@0 1293 if (!m_descriptor || !m_descriptor->LADSPA_Plugin->deactivate) return;
Chris@0 1294
Chris@0 1295 for (size_t i = 0; i < m_backupControlPortsIn.size(); ++i) {
Chris@0 1296 m_backupControlPortsIn[i] = *m_controlPortsIn[i].second;
Chris@0 1297 }
Chris@0 1298
Chris@0 1299 m_descriptor->LADSPA_Plugin->deactivate(m_instanceHandle);
Chris@0 1300 #ifdef DEBUG_DSSI
Chris@0 1301 std::cerr << "DSSIPluginInstance::deactivate " << m_identifier << " done" << std::endl;
Chris@0 1302 #endif
Chris@0 1303
Chris@0 1304 m_bufferScavenger.scavenge();
Chris@0 1305 }
Chris@0 1306
Chris@0 1307 void
Chris@0 1308 DSSIPluginInstance::cleanup()
Chris@0 1309 {
Chris@0 1310 #ifdef DEBUG_DSSI
Chris@0 1311 std::cerr << "DSSIPluginInstance::cleanup " << m_identifier << std::endl;
Chris@0 1312 #endif
Chris@0 1313 if (!m_descriptor) return;
Chris@0 1314
Chris@0 1315 if (!m_descriptor->LADSPA_Plugin->cleanup) {
Chris@0 1316 std::cerr << "Bad plugin: plugin id "
Chris@0 1317 << m_descriptor->LADSPA_Plugin->UniqueID
Chris@0 1318 << ":" << m_descriptor->LADSPA_Plugin->Label
Chris@0 1319 << " has no cleanup method!" << std::endl;
Chris@0 1320 return;
Chris@0 1321 }
Chris@0 1322
Chris@0 1323 m_descriptor->LADSPA_Plugin->cleanup(m_instanceHandle);
Chris@0 1324 m_instanceHandle = 0;
Chris@0 1325 #ifdef DEBUG_DSSI
Chris@0 1326 std::cerr << "DSSIPluginInstance::cleanup " << m_identifier << " done" << std::endl;
Chris@0 1327 #endif
Chris@0 1328 }
Chris@0 1329