annotate plugin/DSSIPluginInstance.cpp @ 2:d86891498eef

* Update copyrights to 2006
author Chris Cannam
date Thu, 12 Jan 2006 13:45:27 +0000
parents da6937383da8
children ec6886f0e673
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 A waveform viewer and audio annotation editor.
Chris@2 5 Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0 6
Chris@0 7 This is experimental software. Not for distribution.
Chris@0 8 */
Chris@0 9
Chris@0 10 /*
Chris@0 11 This is a modified version of a source file from the
Chris@0 12 Rosegarden MIDI and audio sequencer and notation editor.
Chris@0 13 This file copyright 2000-2005 Chris Cannam.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include <iostream>
Chris@0 17 #include <cassert>
Chris@0 18
Chris@0 19 #include "DSSIPluginInstance.h"
Chris@0 20 #include "PluginIdentifier.h"
Chris@0 21 #include "LADSPAPluginFactory.h"
Chris@0 22
Chris@0 23 #define DEBUG_DSSI 1
Chris@0 24 //#define DEBUG_DSSI_PROCESS 1
Chris@0 25
Chris@0 26 #define EVENT_BUFFER_SIZE 1023
Chris@0 27
Chris@0 28 #ifdef DEBUG_DSSI
Chris@0 29 static std::ostream &operator<<(std::ostream& o, const QString &s)
Chris@0 30 {
Chris@0 31 o << s.toLocal8Bit().data();
Chris@0 32 return o;
Chris@0 33 }
Chris@0 34 #endif
Chris@0 35
Chris@0 36 DSSIPluginInstance::GroupMap DSSIPluginInstance::m_groupMap;
Chris@0 37 snd_seq_event_t **DSSIPluginInstance::m_groupLocalEventBuffers = 0;
Chris@0 38 size_t DSSIPluginInstance::m_groupLocalEventBufferCount = 0;
Chris@0 39 Scavenger<ScavengerArrayWrapper<snd_seq_event_t *> > DSSIPluginInstance::m_bufferScavenger(2, 10);
Chris@0 40 std::map<LADSPA_Handle, std::set<DSSIPluginInstance::NonRTPluginThread *> > DSSIPluginInstance::m_threads;
Chris@0 41
Chris@0 42
Chris@0 43 DSSIPluginInstance::DSSIPluginInstance(RealTimePluginFactory *factory,
Chris@0 44 int clientId,
Chris@0 45 QString identifier,
Chris@0 46 int position,
Chris@0 47 unsigned long sampleRate,
Chris@0 48 size_t blockSize,
Chris@0 49 int idealChannelCount,
Chris@0 50 const DSSI_Descriptor* descriptor) :
Chris@0 51 RealTimePluginInstance(factory, identifier),
Chris@0 52 m_client(clientId),
Chris@0 53 m_position(position),
Chris@0 54 m_descriptor(descriptor),
Chris@0 55 m_programCacheValid(false),
Chris@0 56 m_eventBuffer(EVENT_BUFFER_SIZE),
Chris@0 57 m_blockSize(blockSize),
Chris@0 58 m_idealChannelCount(idealChannelCount),
Chris@0 59 m_sampleRate(sampleRate),
Chris@0 60 m_latencyPort(0),
Chris@0 61 m_run(false),
Chris@0 62 m_bypassed(false),
Chris@0 63 m_grouped(false)
Chris@0 64 {
Chris@0 65 #ifdef DEBUG_DSSI
Chris@0 66 std::cerr << "DSSIPluginInstance::DSSIPluginInstance(" << identifier << ")"
Chris@0 67 << std::endl;
Chris@0 68 #endif
Chris@0 69
Chris@0 70 init();
Chris@0 71
Chris@0 72 m_inputBuffers = new sample_t*[m_audioPortsIn.size()];
Chris@0 73 m_outputBuffers = new sample_t*[m_outputBufferCount];
Chris@0 74
Chris@0 75 for (size_t i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 76 m_inputBuffers[i] = new sample_t[blockSize];
Chris@0 77 }
Chris@0 78 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 79 m_outputBuffers[i] = new sample_t[blockSize];
Chris@0 80 }
Chris@0 81
Chris@0 82 m_ownBuffers = true;
Chris@0 83
Chris@0 84 m_pending.lsb = m_pending.msb = m_pending.program = -1;
Chris@0 85
Chris@0 86 instantiate(sampleRate);
Chris@0 87 if (isOK()) {
Chris@0 88 connectPorts();
Chris@0 89 activate();
Chris@0 90 initialiseGroupMembership();
Chris@0 91 }
Chris@0 92 }
Chris@0 93
Chris@0 94 DSSIPluginInstance::DSSIPluginInstance(RealTimePluginFactory *factory,
Chris@0 95 int clientId,
Chris@0 96 QString identifier,
Chris@0 97 int position,
Chris@0 98 unsigned long sampleRate,
Chris@0 99 size_t blockSize,
Chris@0 100 sample_t **inputBuffers,
Chris@0 101 sample_t **outputBuffers,
Chris@0 102 const DSSI_Descriptor* descriptor) :
Chris@0 103 RealTimePluginInstance(factory, identifier),
Chris@0 104 m_client(clientId),
Chris@0 105 m_position(position),
Chris@0 106 m_descriptor(descriptor),
Chris@0 107 m_eventBuffer(EVENT_BUFFER_SIZE),
Chris@0 108 m_blockSize(blockSize),
Chris@0 109 m_inputBuffers(inputBuffers),
Chris@0 110 m_outputBuffers(outputBuffers),
Chris@0 111 m_ownBuffers(false),
Chris@0 112 m_idealChannelCount(0),
Chris@0 113 m_sampleRate(sampleRate),
Chris@0 114 m_latencyPort(0),
Chris@0 115 m_run(false),
Chris@0 116 m_bypassed(false),
Chris@0 117 m_grouped(false)
Chris@0 118 {
Chris@0 119 #ifdef DEBUG_DSSI
Chris@0 120 std::cerr << "DSSIPluginInstance::DSSIPluginInstance[buffers supplied](" << identifier << ")"
Chris@0 121 << std::endl;
Chris@0 122 #endif
Chris@0 123
Chris@0 124 init();
Chris@0 125
Chris@0 126 m_pending.lsb = m_pending.msb = m_pending.program = -1;
Chris@0 127
Chris@0 128 instantiate(sampleRate);
Chris@0 129 if (isOK()) {
Chris@0 130 connectPorts();
Chris@0 131 activate();
Chris@0 132 if (m_descriptor->run_multiple_synths) {
Chris@0 133 m_grouped = true;
Chris@0 134 initialiseGroupMembership();
Chris@0 135 }
Chris@0 136 }
Chris@0 137 }
Chris@0 138
Chris@0 139
Chris@0 140 void
Chris@0 141 DSSIPluginInstance::init()
Chris@0 142 {
Chris@0 143 #ifdef DEBUG_DSSI
Chris@0 144 std::cerr << "DSSIPluginInstance::init" << std::endl;
Chris@0 145 #endif
Chris@0 146
Chris@0 147 // Discover ports numbers and identities
Chris@0 148 //
Chris@0 149 const LADSPA_Descriptor *descriptor = m_descriptor->LADSPA_Plugin;
Chris@0 150
Chris@0 151 for (unsigned long i = 0; i < descriptor->PortCount; ++i)
Chris@0 152 {
Chris@0 153 if (LADSPA_IS_PORT_AUDIO(descriptor->PortDescriptors[i]))
Chris@0 154 {
Chris@0 155 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@0 156 m_audioPortsIn.push_back(i);
Chris@0 157 } else {
Chris@0 158 m_audioPortsOut.push_back(i);
Chris@0 159 }
Chris@0 160 }
Chris@0 161 else
Chris@0 162 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i]))
Chris@0 163 {
Chris@0 164 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@0 165
Chris@0 166 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 167
Chris@0 168 m_controlPortsIn.push_back(std::pair<unsigned long, LADSPA_Data*>
Chris@0 169 (i, data));
Chris@0 170
Chris@0 171 m_backupControlPortsIn.push_back(0.0);
Chris@0 172
Chris@0 173 } else {
Chris@0 174 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 175 m_controlPortsOut.push_back(
Chris@0 176 std::pair<unsigned long, LADSPA_Data*>(i, data));
Chris@0 177 if (!strcmp(descriptor->PortNames[i], "latency") ||
Chris@0 178 !strcmp(descriptor->PortNames[i], "_latency")) {
Chris@0 179 #ifdef DEBUG_DSSI
Chris@0 180 std::cerr << "Wooo! We have a latency port!" << std::endl;
Chris@0 181 #endif
Chris@0 182 m_latencyPort = data;
Chris@0 183 }
Chris@0 184 }
Chris@0 185 }
Chris@0 186 #ifdef DEBUG_DSSI
Chris@0 187 else
Chris@0 188 std::cerr << "DSSIPluginInstance::DSSIPluginInstance - "
Chris@0 189 << "unrecognised port type" << std::endl;
Chris@0 190 #endif
Chris@0 191 }
Chris@0 192
Chris@0 193 m_outputBufferCount = std::max(m_idealChannelCount, m_audioPortsOut.size());
Chris@0 194 }
Chris@0 195
Chris@0 196 size_t
Chris@0 197 DSSIPluginInstance::getLatency()
Chris@0 198 {
Chris@0 199 size_t latency = 0;
Chris@0 200
Chris@0 201 #ifdef DEBUG_DSSI_PROCESS
Chris@0 202 std::cerr << "DSSIPluginInstance::getLatency(): m_latencyPort " << m_latencyPort << ", m_run " << m_run << std::endl;
Chris@0 203 #endif
Chris@0 204
Chris@0 205 if (m_latencyPort) {
Chris@0 206 if (!m_run) run(RealTime::zeroTime);
Chris@0 207 latency = (size_t)(*m_latencyPort + 0.1);
Chris@0 208 }
Chris@0 209
Chris@0 210 #ifdef DEBUG_DSSI_PROCESS
Chris@0 211 std::cerr << "DSSIPluginInstance::getLatency(): latency is " << latency << std::endl;
Chris@0 212 #endif
Chris@0 213
Chris@0 214 return latency;
Chris@0 215 }
Chris@0 216
Chris@0 217 void
Chris@0 218 DSSIPluginInstance::silence()
Chris@0 219 {
Chris@0 220 if (m_instanceHandle != 0) {
Chris@0 221 deactivate();
Chris@0 222 activate();
Chris@0 223 }
Chris@0 224 }
Chris@0 225
Chris@0 226 void
Chris@0 227 DSSIPluginInstance::discardEvents()
Chris@0 228 {
Chris@0 229 m_eventBuffer.reset();
Chris@0 230 }
Chris@0 231
Chris@0 232 void
Chris@0 233 DSSIPluginInstance::setIdealChannelCount(size_t channels)
Chris@0 234 {
Chris@0 235 #ifdef DEBUG_DSSI
Chris@0 236 std::cerr << "DSSIPluginInstance::setIdealChannelCount: channel count "
Chris@0 237 << channels << " (was " << m_idealChannelCount << ")" << std::endl;
Chris@0 238 #endif
Chris@0 239
Chris@0 240 if (channels == m_idealChannelCount) {
Chris@0 241 silence();
Chris@0 242 return;
Chris@0 243 }
Chris@0 244
Chris@0 245 if (m_instanceHandle != 0) {
Chris@0 246 deactivate();
Chris@0 247 }
Chris@0 248
Chris@0 249 m_idealChannelCount = channels;
Chris@0 250
Chris@0 251 if (channels > m_outputBufferCount) {
Chris@0 252
Chris@0 253 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 254 delete[] m_outputBuffers[i];
Chris@0 255 }
Chris@0 256
Chris@0 257 delete[] m_outputBuffers;
Chris@0 258
Chris@0 259 m_outputBufferCount = channels;
Chris@0 260
Chris@0 261 m_outputBuffers = new sample_t*[m_outputBufferCount];
Chris@0 262
Chris@0 263 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 264 m_outputBuffers[i] = new sample_t[m_blockSize];
Chris@0 265 }
Chris@0 266
Chris@0 267 connectPorts();
Chris@0 268 }
Chris@0 269
Chris@0 270 if (m_instanceHandle != 0) {
Chris@0 271 activate();
Chris@0 272 }
Chris@0 273 }
Chris@0 274
Chris@0 275 void
Chris@0 276 DSSIPluginInstance::detachFromGroup()
Chris@0 277 {
Chris@0 278 if (!m_grouped) return;
Chris@0 279 m_groupMap[m_identifier].erase(this);
Chris@0 280 m_grouped = false;
Chris@0 281 }
Chris@0 282
Chris@0 283 void
Chris@0 284 DSSIPluginInstance::initialiseGroupMembership()
Chris@0 285 {
Chris@0 286 if (!m_descriptor->run_multiple_synths) {
Chris@0 287 m_grouped = false;
Chris@0 288 return;
Chris@0 289 }
Chris@0 290
Chris@0 291 //!!! GroupMap is not actually thread-safe.
Chris@0 292
Chris@0 293 size_t pluginsInGroup = m_groupMap[m_identifier].size();
Chris@0 294
Chris@0 295 if (++pluginsInGroup > m_groupLocalEventBufferCount) {
Chris@0 296
Chris@0 297 size_t nextBufferCount = pluginsInGroup * 2;
Chris@0 298
Chris@0 299 snd_seq_event_t **eventLocalBuffers = new snd_seq_event_t *[nextBufferCount];
Chris@0 300
Chris@0 301 for (size_t i = 0; i < m_groupLocalEventBufferCount; ++i) {
Chris@0 302 eventLocalBuffers[i] = m_groupLocalEventBuffers[i];
Chris@0 303 }
Chris@0 304 for (size_t i = m_groupLocalEventBufferCount; i < nextBufferCount; ++i) {
Chris@0 305 eventLocalBuffers[i] = new snd_seq_event_t[EVENT_BUFFER_SIZE];
Chris@0 306 }
Chris@0 307
Chris@0 308 if (m_groupLocalEventBuffers) {
Chris@0 309 m_bufferScavenger.claim(new ScavengerArrayWrapper<snd_seq_event_t *>
Chris@0 310 (m_groupLocalEventBuffers));
Chris@0 311 }
Chris@0 312
Chris@0 313 m_groupLocalEventBuffers = eventLocalBuffers;
Chris@0 314 m_groupLocalEventBufferCount = nextBufferCount;
Chris@0 315 }
Chris@0 316
Chris@0 317 m_grouped = true;
Chris@0 318 m_groupMap[m_identifier].insert(this);
Chris@0 319 }
Chris@0 320
Chris@0 321 DSSIPluginInstance::~DSSIPluginInstance()
Chris@0 322 {
Chris@0 323 std::cerr << "DSSIPluginInstance::~DSSIPluginInstance" << std::endl;
Chris@0 324
Chris@0 325 if (m_threads.find(m_instanceHandle) != m_threads.end()) {
Chris@0 326
Chris@0 327 for (std::set<NonRTPluginThread *>::iterator i =
Chris@0 328 m_threads[m_instanceHandle].begin();
Chris@0 329 i != m_threads[m_instanceHandle].end(); ++i) {
Chris@0 330
Chris@0 331 (*i)->setExiting();
Chris@0 332 (*i)->wait();
Chris@0 333 delete *i;
Chris@0 334 }
Chris@0 335
Chris@0 336 m_threads.erase(m_instanceHandle);
Chris@0 337 }
Chris@0 338
Chris@0 339 detachFromGroup();
Chris@0 340
Chris@0 341 if (m_instanceHandle != 0) {
Chris@0 342 deactivate();
Chris@0 343 }
Chris@0 344
Chris@0 345 cleanup();
Chris@0 346
Chris@0 347 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i)
Chris@0 348 delete m_controlPortsIn[i].second;
Chris@0 349
Chris@0 350 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i)
Chris@0 351 delete m_controlPortsOut[i].second;
Chris@0 352
Chris@0 353 m_controlPortsIn.clear();
Chris@0 354 m_controlPortsOut.clear();
Chris@0 355
Chris@0 356 if (m_ownBuffers) {
Chris@0 357 for (size_t i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 358 delete[] m_inputBuffers[i];
Chris@0 359 }
Chris@0 360 for (size_t i = 0; i < m_outputBufferCount; ++i) {
Chris@0 361 delete[] m_outputBuffers[i];
Chris@0 362 }
Chris@0 363
Chris@0 364 delete[] m_inputBuffers;
Chris@0 365 delete[] m_outputBuffers;
Chris@0 366 }
Chris@0 367
Chris@0 368 m_audioPortsIn.clear();
Chris@0 369 m_audioPortsOut.clear();
Chris@0 370 }
Chris@0 371
Chris@0 372
Chris@0 373 void
Chris@0 374 DSSIPluginInstance::instantiate(unsigned long sampleRate)
Chris@0 375 {
Chris@0 376 #ifdef DEBUG_DSSI
Chris@0 377 std::cout << "DSSIPluginInstance::instantiate - plugin \"unique\" id = "
Chris@0 378 << m_descriptor->LADSPA_Plugin->UniqueID << std::endl;
Chris@0 379 #endif
Chris@0 380 if (!m_descriptor) return;
Chris@0 381
Chris@0 382 const LADSPA_Descriptor *descriptor = m_descriptor->LADSPA_Plugin;
Chris@0 383
Chris@0 384 if (!descriptor->instantiate) {
Chris@0 385 std::cerr << "Bad plugin: plugin id " << descriptor->UniqueID
Chris@0 386 << ":" << descriptor->Label
Chris@0 387 << " has no instantiate method!" << std::endl;
Chris@0 388 return;
Chris@0 389 }
Chris@0 390
Chris@0 391 m_instanceHandle = descriptor->instantiate(descriptor, sampleRate);
Chris@0 392
Chris@0 393 if (m_instanceHandle) {
Chris@0 394
Chris@0 395 if (m_descriptor->get_midi_controller_for_port) {
Chris@0 396
Chris@0 397 for (unsigned long i = 0; i < descriptor->PortCount; ++i) {
Chris@0 398
Chris@0 399 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i]) &&
Chris@0 400 LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@0 401
Chris@0 402 int controller = m_descriptor->get_midi_controller_for_port
Chris@0 403 (m_instanceHandle, i);
Chris@0 404
Chris@0 405 if (controller != 0 && controller != 32 &&
Chris@0 406 DSSI_IS_CC(controller)) {
Chris@0 407
Chris@0 408 m_controllerMap[DSSI_CC_NUMBER(controller)] = i;
Chris@0 409 }
Chris@0 410 }
Chris@0 411 }
Chris@0 412 }
Chris@0 413 }
Chris@0 414 }
Chris@0 415
Chris@0 416 void
Chris@0 417 DSSIPluginInstance::checkProgramCache() const
Chris@0 418 {
Chris@0 419 if (m_programCacheValid) return;
Chris@0 420 m_cachedPrograms.clear();
Chris@0 421
Chris@0 422 #ifdef DEBUG_DSSI
Chris@0 423 std::cerr << "DSSIPluginInstance::checkProgramCache" << std::endl;
Chris@0 424 #endif
Chris@0 425
Chris@0 426 if (!m_descriptor || !m_descriptor->get_program) {
Chris@0 427 m_programCacheValid = true;
Chris@0 428 return;
Chris@0 429 }
Chris@0 430
Chris@0 431 unsigned long index = 0;
Chris@0 432 const DSSI_Program_Descriptor *programDescriptor;
Chris@0 433 while ((programDescriptor = m_descriptor->get_program(m_instanceHandle, index))) {
Chris@0 434 ++index;
Chris@0 435 ProgramDescriptor d;
Chris@0 436 d.bank = programDescriptor->Bank;
Chris@0 437 d.program = programDescriptor->Program;
Chris@0 438 //!!! d.name = QString("%1. %2").arg(index).arg(programDescriptor->Name);
Chris@0 439 d.name = programDescriptor->Name;
Chris@0 440 m_cachedPrograms.push_back(d);
Chris@0 441 }
Chris@0 442
Chris@0 443 #ifdef DEBUG_DSSI
Chris@0 444 std::cerr << "DSSIPluginInstance::checkProgramCache: have " << m_cachedPrograms.size() << " programs" << std::endl;
Chris@0 445 #endif
Chris@0 446
Chris@0 447 m_programCacheValid = true;
Chris@0 448 }
Chris@0 449
Chris@0 450 QStringList
Chris@0 451 DSSIPluginInstance::getPrograms() const
Chris@0 452 {
Chris@0 453 #ifdef DEBUG_DSSI
Chris@0 454 std::cerr << "DSSIPluginInstance::getPrograms" << std::endl;
Chris@0 455 #endif
Chris@0 456
Chris@0 457 if (!m_descriptor) return QStringList();
Chris@0 458
Chris@0 459 checkProgramCache();
Chris@0 460
Chris@0 461 QStringList programs;
Chris@0 462
Chris@0 463 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 464 i != m_cachedPrograms.end(); ++i) {
Chris@0 465 programs.push_back(i->name);
Chris@0 466 }
Chris@0 467
Chris@0 468 return programs;
Chris@0 469 }
Chris@0 470
Chris@0 471 QString
Chris@0 472 DSSIPluginInstance::getProgram(int bank, int program) const
Chris@0 473 {
Chris@0 474 #ifdef DEBUG_DSSI
Chris@0 475 std::cerr << "DSSIPluginInstance::getProgram(" << bank << "," << program << ")" << std::endl;
Chris@0 476 #endif
Chris@0 477
Chris@0 478 if (!m_descriptor) return QString();
Chris@0 479
Chris@0 480 checkProgramCache();
Chris@0 481
Chris@0 482 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 483 i != m_cachedPrograms.end(); ++i) {
Chris@0 484 if (i->bank == bank && i->program == program) return i->name;
Chris@0 485 }
Chris@0 486
Chris@0 487 return QString();
Chris@0 488 }
Chris@0 489
Chris@0 490 unsigned long
Chris@0 491 DSSIPluginInstance::getProgram(QString name) const
Chris@0 492 {
Chris@0 493 #ifdef DEBUG_DSSI
Chris@0 494 std::cerr << "DSSIPluginInstance::getProgram(" << name << ")" << std::endl;
Chris@0 495 #endif
Chris@0 496
Chris@0 497 if (!m_descriptor) return 0;
Chris@0 498
Chris@0 499 checkProgramCache();
Chris@0 500
Chris@0 501 unsigned long rv;
Chris@0 502
Chris@0 503 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 504 i != m_cachedPrograms.end(); ++i) {
Chris@0 505 if (i->name == name) {
Chris@0 506 rv = i->bank;
Chris@0 507 rv = (rv << 16) + i->program;
Chris@0 508 return rv;
Chris@0 509 }
Chris@0 510 }
Chris@0 511
Chris@0 512 return 0;
Chris@0 513 }
Chris@0 514
Chris@0 515 QString
Chris@0 516 DSSIPluginInstance::getCurrentProgram() const
Chris@0 517 {
Chris@0 518 return m_program;
Chris@0 519 }
Chris@0 520
Chris@0 521 void
Chris@0 522 DSSIPluginInstance::selectProgram(QString program)
Chris@0 523 {
Chris@0 524 selectProgramAux(program, true);
Chris@0 525 }
Chris@0 526
Chris@0 527 void
Chris@0 528 DSSIPluginInstance::selectProgramAux(QString program, bool backupPortValues)
Chris@0 529 {
Chris@0 530 #ifdef DEBUG_DSSI
Chris@0 531 std::cerr << "DSSIPluginInstance::selectProgram(" << program << ")" << std::endl;
Chris@0 532 #endif
Chris@0 533
Chris@0 534 if (!m_descriptor) return;
Chris@0 535
Chris@0 536 checkProgramCache();
Chris@0 537
Chris@0 538 if (!m_descriptor->select_program) return;
Chris@0 539
Chris@0 540 bool found = false;
Chris@0 541 unsigned long bankNo = 0, programNo = 0;
Chris@0 542
Chris@0 543 for (std::vector<ProgramDescriptor>::iterator i = m_cachedPrograms.begin();
Chris@0 544 i != m_cachedPrograms.end(); ++i) {
Chris@0 545
Chris@0 546 if (i->name == program) {
Chris@0 547
Chris@0 548 bankNo = i->bank;
Chris@0 549 programNo = i->program;
Chris@0 550 found = true;
Chris@0 551
Chris@0 552 #ifdef DEBUG_DSSI
Chris@0 553 std::cerr << "DSSIPluginInstance::selectProgram(" << program << "): found at bank " << bankNo << ", program " << programNo << std::endl;
Chris@0 554 #endif
Chris@0 555
Chris@0 556 break;
Chris@0 557 }
Chris@0 558 }
Chris@0 559
Chris@0 560 if (!found) return;
Chris@0 561 m_program = program;
Chris@0 562
Chris@0 563 // DSSI select_program is an audio context call
Chris@0 564 m_processLock.lock();
Chris@0 565 m_descriptor->select_program(m_instanceHandle, bankNo, programNo);
Chris@0 566 m_processLock.unlock();
Chris@0 567
Chris@0 568 #ifdef DEBUG_DSSI
Chris@0 569 std::cerr << "DSSIPluginInstance::selectProgram(" << program << "): made select_program(" << bankNo << "," << programNo << ") call" << std::endl;
Chris@0 570 #endif
Chris@0 571
Chris@0 572 if (backupPortValues) {
Chris@0 573 for (size_t i = 0; i < m_backupControlPortsIn.size(); ++i) {
Chris@0 574 m_backupControlPortsIn[i] = *m_controlPortsIn[i].second;
Chris@0 575 }
Chris@0 576 }
Chris@0 577 }
Chris@0 578
Chris@0 579 void
Chris@0 580 DSSIPluginInstance::activate()
Chris@0 581 {
Chris@0 582 #ifdef DEBUG_DSSI
Chris@0 583 std::cerr << "DSSIPluginInstance::activate" << std::endl;
Chris@0 584 #endif
Chris@0 585
Chris@0 586 if (!m_descriptor || !m_descriptor->LADSPA_Plugin->activate) return;
Chris@0 587 m_descriptor->LADSPA_Plugin->activate(m_instanceHandle);
Chris@0 588
Chris@0 589 if (!m_program.isEmpty()) {
Chris@0 590 #ifdef DEBUG_DSSI
Chris@0 591 std::cerr << "DSSIPluginInstance::activate: restoring program " << m_program << std::endl;
Chris@0 592 #endif
Chris@0 593 selectProgramAux(m_program, false);
Chris@0 594 }
Chris@0 595
Chris@0 596 for (size_t i = 0; i < m_backupControlPortsIn.size(); ++i) {
Chris@0 597 #ifdef DEBUG_DSSI
Chris@0 598 std::cerr << "DSSIPluginInstance::activate: setting port " << m_controlPortsIn[i].first << " to " << m_backupControlPortsIn[i] << std::endl;
Chris@0 599 #endif
Chris@0 600 *m_controlPortsIn[i].second = m_backupControlPortsIn[i];
Chris@0 601 }
Chris@0 602 }
Chris@0 603
Chris@0 604 void
Chris@0 605 DSSIPluginInstance::connectPorts()
Chris@0 606 {
Chris@0 607 if (!m_descriptor || !m_descriptor->LADSPA_Plugin->connect_port) return;
Chris@0 608 std::cerr << "DSSIPluginInstance::connectPorts: " << m_audioPortsIn.size()
Chris@0 609 << " audio ports in, " << m_audioPortsOut.size() << " out, "
Chris@0 610 << m_outputBufferCount << " output buffers" << std::endl;
Chris@0 611
Chris@0 612 assert(sizeof(LADSPA_Data) == sizeof(float));
Chris@0 613 assert(sizeof(sample_t) == sizeof(float));
Chris@0 614
Chris@0 615 int inbuf = 0, outbuf = 0;
Chris@0 616
Chris@0 617 for (unsigned int i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 618 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 619 (m_instanceHandle,
Chris@0 620 m_audioPortsIn[i],
Chris@0 621 (LADSPA_Data *)m_inputBuffers[inbuf]);
Chris@0 622 ++inbuf;
Chris@0 623 }
Chris@0 624
Chris@0 625 for (unsigned int i = 0; i < m_audioPortsOut.size(); ++i) {
Chris@0 626 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 627 (m_instanceHandle,
Chris@0 628 m_audioPortsOut[i],
Chris@0 629 (LADSPA_Data *)m_outputBuffers[outbuf]);
Chris@0 630 ++outbuf;
Chris@0 631 }
Chris@0 632
Chris@0 633 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@0 634 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 635 (m_instanceHandle,
Chris@0 636 m_controlPortsIn[i].first,
Chris@0 637 m_controlPortsIn[i].second);
Chris@0 638 }
Chris@0 639
Chris@0 640 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i) {
Chris@0 641 m_descriptor->LADSPA_Plugin->connect_port
Chris@0 642 (m_instanceHandle,
Chris@0 643 m_controlPortsOut[i].first,
Chris@0 644 m_controlPortsOut[i].second);
Chris@0 645 }
Chris@0 646 }
Chris@0 647
Chris@0 648 unsigned int
Chris@0 649 DSSIPluginInstance::getParameterCount() const
Chris@0 650 {
Chris@0 651 return m_controlPortsIn.size();
Chris@0 652 }
Chris@0 653
Chris@0 654 void
Chris@0 655 DSSIPluginInstance::setParameterValue(unsigned int parameter, float value)
Chris@0 656 {
Chris@0 657 #ifdef DEBUG_DSSI
Chris@0 658 std::cerr << "DSSIPluginInstance::setParameterValue(" << parameter << ") to " << value << std::endl;
Chris@0 659 #endif
Chris@0 660 if (parameter >= m_controlPortsIn.size()) return;
Chris@0 661
Chris@0 662 unsigned int portNumber = m_controlPortsIn[parameter].first;
Chris@0 663
Chris@0 664 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 665 if (f) {
Chris@0 666 if (value < f->getPortMinimum(m_descriptor->LADSPA_Plugin, portNumber)) {
Chris@0 667 value = f->getPortMinimum(m_descriptor->LADSPA_Plugin, portNumber);
Chris@0 668 }
Chris@0 669 if (value > f->getPortMaximum(m_descriptor->LADSPA_Plugin, portNumber)) {
Chris@0 670 value = f->getPortMaximum(m_descriptor->LADSPA_Plugin, portNumber);
Chris@0 671 }
Chris@0 672 }
Chris@0 673
Chris@0 674 (*m_controlPortsIn[parameter].second) = value;
Chris@0 675 m_backupControlPortsIn[parameter] = value;
Chris@0 676 }
Chris@0 677
Chris@0 678 void
Chris@0 679 DSSIPluginInstance::setPortValueFromController(unsigned int port, int cv)
Chris@0 680 {
Chris@0 681 #ifdef DEBUG_DSSI
Chris@0 682 std::cerr << "DSSIPluginInstance::setPortValueFromController(" << port << ") to " << cv << std::endl;
Chris@0 683 #endif
Chris@0 684
Chris@0 685 const LADSPA_Descriptor *p = m_descriptor->LADSPA_Plugin;
Chris@0 686 LADSPA_PortRangeHintDescriptor d = p->PortRangeHints[port].HintDescriptor;
Chris@0 687 LADSPA_Data lb = p->PortRangeHints[port].LowerBound;
Chris@0 688 LADSPA_Data ub = p->PortRangeHints[port].UpperBound;
Chris@0 689
Chris@0 690 float value = (float)cv;
Chris@0 691
Chris@0 692 if (!LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
Chris@0 693 if (!LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 694 /* unbounded: might as well leave the value alone. */
Chris@0 695 } else {
Chris@0 696 /* bounded above only. just shift the range. */
Chris@0 697 value = ub - 127.0f + value;
Chris@0 698 }
Chris@0 699 } else {
Chris@0 700 if (!LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 701 /* bounded below only. just shift the range. */
Chris@0 702 value = lb + value;
Chris@0 703 } else {
Chris@0 704 /* bounded both ends. more interesting. */
Chris@0 705 /* XXX !!! todo: fill in logarithmic, sample rate &c */
Chris@0 706 value = lb + ((ub - lb) * value / 127.0f);
Chris@0 707 }
Chris@0 708 }
Chris@0 709
Chris@0 710 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@0 711 if (m_controlPortsIn[i].first == port) {
Chris@0 712 setParameterValue(i, value);
Chris@0 713 }
Chris@0 714 }
Chris@0 715 }
Chris@0 716
Chris@0 717 float
Chris@0 718 DSSIPluginInstance::getParameterValue(unsigned int parameter) const
Chris@0 719 {
Chris@0 720 #ifdef DEBUG_DSSI
Chris@0 721 std::cerr << "DSSIPluginInstance::getParameterValue(" << parameter << ")" << std::endl;
Chris@0 722 #endif
Chris@0 723 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 724 return (*m_controlPortsIn[parameter].second);
Chris@0 725 }
Chris@0 726
Chris@0 727 float
Chris@0 728 DSSIPluginInstance::getParameterDefault(unsigned int parameter) const
Chris@0 729 {
Chris@0 730 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 731
Chris@0 732 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 733 if (f) {
Chris@0 734 return f->getPortDefault(m_descriptor->LADSPA_Plugin,
Chris@0 735 m_controlPortsIn[parameter].first);
Chris@0 736 } else {
Chris@0 737 return 0.0f;
Chris@0 738 }
Chris@0 739 }
Chris@0 740
Chris@0 741 QString
Chris@0 742 DSSIPluginInstance::configure(QString key,
Chris@0 743 QString value)
Chris@0 744 {
Chris@0 745 if (!m_descriptor || !m_descriptor->configure) return QString();
Chris@0 746
Chris@0 747 if (key == PluginIdentifier::RESERVED_PROJECT_DIRECTORY_KEY) {
Chris@0 748 #ifdef DSSI_PROJECT_DIRECTORY_KEY
Chris@0 749 key = DSSI_PROJECT_DIRECTORY_KEY;
Chris@0 750 #else
Chris@0 751 return QString();
Chris@0 752 #endif
Chris@0 753 }
Chris@0 754
Chris@0 755
Chris@0 756 #ifdef DEBUG_DSSI
Chris@0 757 std::cerr << "DSSIPluginInstance::configure(" << key << "," << value << ")" << std::endl;
Chris@0 758 #endif
Chris@0 759
Chris@0 760 char *message = m_descriptor->configure(m_instanceHandle,
Chris@0 761 key.toStdString().c_str(),
Chris@0 762 value.toStdString().c_str());
Chris@0 763
Chris@0 764 m_programCacheValid = false;
Chris@0 765
Chris@0 766 QString qm;
Chris@0 767
Chris@0 768 // Ignore return values from reserved key configuration calls such
Chris@0 769 // as project directory
Chris@0 770 #ifdef DSSI_RESERVED_CONFIGURE_PREFIX
Chris@0 771 if (key.startsWith(DSSI_RESERVED_CONFIGURE_PREFIX)) {
Chris@0 772 return qm;
Chris@0 773 }
Chris@0 774 #endif
Chris@0 775
Chris@0 776 if (message) {
Chris@0 777 if (m_descriptor->LADSPA_Plugin && m_descriptor->LADSPA_Plugin->Label) {
Chris@0 778 qm = QString(m_descriptor->LADSPA_Plugin->Label) + ": ";
Chris@0 779 }
Chris@0 780 qm = qm + message;
Chris@0 781 free(message);
Chris@0 782 }
Chris@0 783
Chris@0 784 return qm;
Chris@0 785 }
Chris@0 786
Chris@0 787 void
Chris@0 788 DSSIPluginInstance::sendEvent(const RealTime &eventTime,
Chris@0 789 const void *e)
Chris@0 790 {
Chris@0 791 snd_seq_event_t *event = (snd_seq_event_t *)e;
Chris@0 792 #ifdef DEBUG_DSSI_PROCESS
Chris@0 793 std::cerr << "DSSIPluginInstance::sendEvent at " << eventTime << std::endl;
Chris@0 794 #endif
Chris@0 795 snd_seq_event_t ev(*event);
Chris@0 796
Chris@0 797 ev.time.time.tv_sec = eventTime.sec;
Chris@0 798 ev.time.time.tv_nsec = eventTime.nsec;
Chris@0 799
Chris@0 800 // DSSI doesn't use MIDI channels, it uses run_multiple_synths instead.
Chris@0 801 ev.data.note.channel = 0;
Chris@0 802
Chris@0 803 m_eventBuffer.write(&ev, 1);
Chris@0 804 }
Chris@0 805
Chris@0 806 bool
Chris@0 807 DSSIPluginInstance::handleController(snd_seq_event_t *ev)
Chris@0 808 {
Chris@0 809 int controller = ev->data.control.param;
Chris@0 810
Chris@0 811 #ifdef DEBUG_DSSI_PROCESS
Chris@0 812 std::cerr << "DSSIPluginInstance::handleController " << controller << std::endl;
Chris@0 813 #endif
Chris@0 814
Chris@0 815 if (controller == 0) { // bank select MSB
Chris@0 816
Chris@0 817 m_pending.msb = ev->data.control.value;
Chris@0 818
Chris@0 819 } else if (controller == 32) { // bank select LSB
Chris@0 820
Chris@0 821 m_pending.lsb = ev->data.control.value;
Chris@0 822
Chris@0 823 } else if (controller > 0 && controller < 128) {
Chris@0 824
Chris@0 825 if (m_controllerMap.find(controller) != m_controllerMap.end()) {
Chris@0 826 int port = m_controllerMap[controller];
Chris@0 827 setPortValueFromController(port, ev->data.control.value);
Chris@0 828 } else {
Chris@0 829 return true; // pass through to plugin
Chris@0 830 }
Chris@0 831 }
Chris@0 832
Chris@0 833 return false;
Chris@0 834 }
Chris@0 835
Chris@0 836 void
Chris@0 837 DSSIPluginInstance::run(const RealTime &blockTime)
Chris@0 838 {
Chris@0 839 static snd_seq_event_t localEventBuffer[EVENT_BUFFER_SIZE];
Chris@0 840 int evCount = 0;
Chris@0 841
Chris@0 842 bool needLock = false;
Chris@0 843 if (m_descriptor->select_program) needLock = true;
Chris@0 844
Chris@0 845 if (needLock) {
Chris@0 846 if (!m_processLock.tryLock()) {
Chris@0 847 for (size_t ch = 0; ch < m_audioPortsOut.size(); ++ch) {
Chris@0 848 memset(m_outputBuffers[ch], 0, m_blockSize * sizeof(sample_t));
Chris@0 849 }
Chris@0 850 return;
Chris@0 851 }
Chris@0 852 }
Chris@0 853
Chris@0 854 if (m_grouped) {
Chris@0 855 runGrouped(blockTime);
Chris@0 856 goto done;
Chris@0 857 }
Chris@0 858
Chris@0 859 if (!m_descriptor || !m_descriptor->run_synth) {
Chris@0 860 m_eventBuffer.skip(m_eventBuffer.getReadSpace());
Chris@0 861 if (m_descriptor->LADSPA_Plugin->run) {
Chris@0 862 m_descriptor->LADSPA_Plugin->run(m_instanceHandle, m_blockSize);
Chris@0 863 } else {
Chris@0 864 for (size_t ch = 0; ch < m_audioPortsOut.size(); ++ch) {
Chris@0 865 memset(m_outputBuffers[ch], 0, m_blockSize * sizeof(sample_t));
Chris@0 866 }
Chris@0 867 }
Chris@0 868 m_run = true;
Chris@0 869 if (needLock) m_processLock.unlock();
Chris@0 870 return;
Chris@0 871 }
Chris@0 872
Chris@0 873 #ifdef DEBUG_DSSI_PROCESS
Chris@0 874 std::cerr << "DSSIPluginInstance::run(" << blockTime << ")" << std::endl;
Chris@0 875 #endif
Chris@0 876
Chris@0 877 #ifdef DEBUG_DSSI_PROCESS
Chris@0 878 if (m_eventBuffer.getReadSpace() > 0) {
Chris@0 879 std::cerr << "DSSIPluginInstance::run: event buffer has "
Chris@0 880 << m_eventBuffer.getReadSpace() << " event(s) in it" << std::endl;
Chris@0 881 }
Chris@0 882 #endif
Chris@0 883
Chris@0 884 while (m_eventBuffer.getReadSpace() > 0) {
Chris@0 885
Chris@0 886 snd_seq_event_t *ev = localEventBuffer + evCount;
Chris@0 887 *ev = m_eventBuffer.peekOne();
Chris@0 888 bool accept = true;
Chris@0 889
Chris@0 890 RealTime evTime(ev->time.time.tv_sec, ev->time.time.tv_nsec);
Chris@0 891
Chris@0 892 int frameOffset = 0;
Chris@0 893 if (evTime > blockTime) {
Chris@0 894 frameOffset = RealTime::realTime2Frame(evTime - blockTime, m_sampleRate);
Chris@0 895 }
Chris@0 896
Chris@0 897 #ifdef DEBUG_DSSI_PROCESS
Chris@0 898 std::cerr << "DSSIPluginInstance::run: evTime " << evTime << ", blockTime " << blockTime << ", frameOffset " << frameOffset
Chris@0 899 << ", blockSize " << m_blockSize << std::endl;
Chris@0 900 std::cerr << "Type: " << int(ev->type) << ", pitch: " << int(ev->data.note.note) << ", velocity: " << int(ev->data.note.velocity) << std::endl;
Chris@0 901 #endif
Chris@0 902
Chris@0 903 if (frameOffset >= int(m_blockSize)) break;
Chris@0 904 if (frameOffset < 0) frameOffset = 0;
Chris@0 905
Chris@0 906 ev->time.tick = frameOffset;
Chris@0 907 m_eventBuffer.skip(1);
Chris@0 908
Chris@0 909 if (ev->type == SND_SEQ_EVENT_CONTROLLER) {
Chris@0 910 accept = handleController(ev);
Chris@0 911 } else if (ev->type == SND_SEQ_EVENT_PGMCHANGE) {
Chris@0 912 m_pending.program = ev->data.control.value;
Chris@0 913 accept = false;
Chris@0 914 }
Chris@0 915
Chris@0 916 if (accept) {
Chris@0 917 if (++evCount >= EVENT_BUFFER_SIZE) break;
Chris@0 918 }
Chris@0 919 }
Chris@0 920
Chris@0 921 if (m_pending.program >= 0 && m_descriptor->select_program) {
Chris@0 922
Chris@0 923 int program = m_pending.program;
Chris@0 924 int bank = m_pending.lsb + 128 * m_pending.msb;
Chris@0 925
Chris@0 926 #ifdef DEBUG_DSSI
Chris@0 927 std::cerr << "DSSIPluginInstance::run: making select_program(" << bank << "," << program << ") call" << std::endl;
Chris@0 928 #endif
Chris@0 929
Chris@0 930 m_pending.lsb = m_pending.msb = m_pending.program = -1;
Chris@0 931 m_descriptor->select_program(m_instanceHandle, bank, program);
Chris@0 932
Chris@0 933 #ifdef DEBUG_DSSI
Chris@0 934 std::cerr << "DSSIPluginInstance::run: made select_program(" << bank << "," << program << ") call" << std::endl;
Chris@0 935 #endif
Chris@0 936 }
Chris@0 937
Chris@0 938 #ifdef DEBUG_DSSI_PROCESS
Chris@0 939 std::cerr << "DSSIPluginInstance::run: running with " << evCount << " events"
Chris@0 940 << std::endl;
Chris@0 941 #endif
Chris@0 942
Chris@0 943 m_descriptor->run_synth(m_instanceHandle, m_blockSize,
Chris@0 944 localEventBuffer, evCount);
Chris@0 945
Chris@0 946 #ifdef DEBUG_DSSI_PROCESS
Chris@0 947 // for (int i = 0; i < m_blockSize; ++i) {
Chris@0 948 // std::cout << m_outputBuffers[0][i] << " ";
Chris@0 949 // if (i % 8 == 0) std::cout << std::endl;
Chris@0 950 // }
Chris@0 951 #endif
Chris@0 952
Chris@0 953 done:
Chris@0 954 if (needLock) m_processLock.unlock();
Chris@0 955
Chris@0 956 if (m_audioPortsOut.size() == 0) {
Chris@0 957 // copy inputs to outputs
Chris@0 958 for (size_t ch = 0; ch < m_idealChannelCount; ++ch) {
Chris@0 959 size_t sch = ch % m_audioPortsIn.size();
Chris@0 960 for (size_t i = 0; i < m_blockSize; ++i) {
Chris@0 961 m_outputBuffers[ch][i] = m_inputBuffers[sch][i];
Chris@0 962 }
Chris@0 963 }
Chris@0 964 } else if (m_idealChannelCount < m_audioPortsOut.size()) {
Chris@0 965 if (m_idealChannelCount == 1) {
Chris@0 966 // mix down to mono
Chris@0 967 for (size_t ch = 1; ch < m_audioPortsOut.size(); ++ch) {
Chris@0 968 for (size_t i = 0; i < m_blockSize; ++i) {
Chris@0 969 m_outputBuffers[0][i] += m_outputBuffers[ch][i];
Chris@0 970 }
Chris@0 971 }
Chris@0 972 }
Chris@0 973 } else if (m_idealChannelCount > m_audioPortsOut.size()) {
Chris@0 974 // duplicate
Chris@0 975 for (size_t ch = m_audioPortsOut.size(); ch < m_idealChannelCount; ++ch) {
Chris@0 976 size_t sch = (ch - m_audioPortsOut.size()) % m_audioPortsOut.size();
Chris@0 977 for (size_t i = 0; i < m_blockSize; ++i) {
Chris@0 978 m_outputBuffers[ch][i] = m_outputBuffers[sch][i];
Chris@0 979 }
Chris@0 980 }
Chris@0 981 }
Chris@0 982
Chris@0 983 m_lastRunTime = blockTime;
Chris@0 984 m_run = true;
Chris@0 985 }
Chris@0 986
Chris@0 987 void
Chris@0 988 DSSIPluginInstance::runGrouped(const RealTime &blockTime)
Chris@0 989 {
Chris@0 990 // If something else in our group has just been called for this
Chris@0 991 // block time (but we haven't) then we should just write out the
Chris@0 992 // results and return; if we have just been called for this block
Chris@0 993 // time or nothing else in the group has been, we should run the
Chris@0 994 // whole group.
Chris@0 995
Chris@0 996 bool needRun = true;
Chris@0 997
Chris@0 998 PluginSet &s = m_groupMap[m_identifier];
Chris@0 999
Chris@0 1000 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1001 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): this is " << this << "; " << s.size() << " elements in m_groupMap[" << m_identifier << "]" << std::endl;
Chris@0 1002 #endif
Chris@0 1003
Chris@0 1004 if (m_lastRunTime != blockTime) {
Chris@0 1005 for (PluginSet::iterator i = s.begin(); i != s.end(); ++i) {
Chris@0 1006 DSSIPluginInstance *instance = *i;
Chris@0 1007 if (instance != this && instance->m_lastRunTime == blockTime) {
Chris@0 1008 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1009 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): plugin " << instance << " has already been run" << std::endl;
Chris@0 1010 #endif
Chris@0 1011 needRun = false;
Chris@0 1012 }
Chris@0 1013 }
Chris@0 1014 }
Chris@0 1015
Chris@0 1016 if (!needRun) {
Chris@0 1017 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1018 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): already run, returning" << std::endl;
Chris@0 1019 #endif
Chris@0 1020 return;
Chris@0 1021 }
Chris@0 1022
Chris@0 1023 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1024 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): I'm the first, running" << std::endl;
Chris@0 1025 #endif
Chris@0 1026
Chris@0 1027 size_t index = 0;
Chris@0 1028 unsigned long *counts = (unsigned long *)
Chris@0 1029 alloca(m_groupLocalEventBufferCount * sizeof(unsigned long));
Chris@0 1030 LADSPA_Handle *instances = (LADSPA_Handle *)
Chris@0 1031 alloca(m_groupLocalEventBufferCount * sizeof(LADSPA_Handle));
Chris@0 1032
Chris@0 1033 for (PluginSet::iterator i = s.begin(); i != s.end(); ++i) {
Chris@0 1034
Chris@0 1035 if (index >= m_groupLocalEventBufferCount) break;
Chris@0 1036
Chris@0 1037 DSSIPluginInstance *instance = *i;
Chris@0 1038 counts[index] = 0;
Chris@0 1039 instances[index] = instance->m_instanceHandle;
Chris@0 1040
Chris@0 1041 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1042 std::cerr << "DSSIPluginInstance::runGrouped(" << blockTime << "): running " << instance << std::endl;
Chris@0 1043 #endif
Chris@0 1044
Chris@0 1045 if (instance->m_pending.program >= 0 &&
Chris@0 1046 instance->m_descriptor->select_program) {
Chris@0 1047 int program = instance->m_pending.program;
Chris@0 1048 int bank = instance->m_pending.lsb + 128 * instance->m_pending.msb;
Chris@0 1049 instance->m_pending.lsb = instance->m_pending.msb = instance->m_pending.program = -1;
Chris@0 1050 instance->m_descriptor->select_program
Chris@0 1051 (instance->m_instanceHandle, bank, program);
Chris@0 1052 }
Chris@0 1053
Chris@0 1054 while (instance->m_eventBuffer.getReadSpace() > 0) {
Chris@0 1055
Chris@0 1056 snd_seq_event_t *ev = m_groupLocalEventBuffers[index] + counts[index];
Chris@0 1057 *ev = instance->m_eventBuffer.peekOne();
Chris@0 1058 bool accept = true;
Chris@0 1059
Chris@0 1060 RealTime evTime(ev->time.time.tv_sec, ev->time.time.tv_nsec);
Chris@0 1061
Chris@0 1062 int frameOffset = 0;
Chris@0 1063 if (evTime > blockTime) {
Chris@0 1064 frameOffset = RealTime::realTime2Frame(evTime - blockTime, m_sampleRate);
Chris@0 1065 }
Chris@0 1066
Chris@0 1067 #ifdef DEBUG_DSSI_PROCESS
Chris@0 1068 std::cerr << "DSSIPluginInstance::runGrouped: evTime " << evTime << ", frameOffset " << frameOffset
Chris@0 1069 << ", block size " << m_blockSize << std::endl;
Chris@0 1070 #endif
Chris@0 1071
Chris@0 1072 if (frameOffset >= int(m_blockSize)) break;
Chris@0 1073 if (frameOffset < 0) frameOffset = 0;
Chris@0 1074
Chris@0 1075 ev->time.tick = frameOffset;
Chris@0 1076 instance->m_eventBuffer.skip(1);
Chris@0 1077
Chris@0 1078 if (ev->type == SND_SEQ_EVENT_CONTROLLER) {
Chris@0 1079 accept = instance->handleController(ev);
Chris@0 1080 } else if (ev->type == SND_SEQ_EVENT_PGMCHANGE) {
Chris@0 1081 instance->m_pending.program = ev->data.control.value;
Chris@0 1082 accept = false;
Chris@0 1083 }
Chris@0 1084
Chris@0 1085 if (accept) {
Chris@0 1086 if (++counts[index] >= EVENT_BUFFER_SIZE) break;
Chris@0 1087 }
Chris@0 1088 }
Chris@0 1089
Chris@0 1090 ++index;
Chris@0 1091 }
Chris@0 1092
Chris@0 1093 m_descriptor->run_multiple_synths(index,
Chris@0 1094 instances,
Chris@0 1095 m_blockSize,
Chris@0 1096 m_groupLocalEventBuffers,
Chris@0 1097 counts);
Chris@0 1098 }
Chris@0 1099
Chris@0 1100 int
Chris@0 1101 DSSIPluginInstance::requestMidiSend(LADSPA_Handle instance,
Chris@0 1102 unsigned char ports,
Chris@0 1103 unsigned char channels)
Chris@0 1104 {
Chris@0 1105 // This is called from a non-RT context (during instantiate)
Chris@0 1106
Chris@0 1107 std::cerr << "DSSIPluginInstance::requestMidiSend" << std::endl;
Chris@0 1108 return 1;
Chris@0 1109 }
Chris@0 1110
Chris@0 1111 void
Chris@0 1112 DSSIPluginInstance::midiSend(LADSPA_Handle instance,
Chris@0 1113 snd_seq_event_t *events,
Chris@0 1114 unsigned long eventCount)
Chris@0 1115 {
Chris@0 1116 // This is likely to be called from an RT context
Chris@0 1117
Chris@0 1118 std::cerr << "DSSIPluginInstance::midiSend" << std::endl;
Chris@0 1119 }
Chris@0 1120
Chris@0 1121 void
Chris@0 1122 DSSIPluginInstance::NonRTPluginThread::run()
Chris@0 1123 {
Chris@0 1124 while (!m_exiting) {
Chris@0 1125 m_runFunction(m_handle);
Chris@0 1126 usleep(100000);
Chris@0 1127 }
Chris@0 1128 }
Chris@0 1129
Chris@0 1130 int
Chris@0 1131 DSSIPluginInstance::requestNonRTThread(LADSPA_Handle instance,
Chris@0 1132 void (*runFunction)(LADSPA_Handle))
Chris@0 1133 {
Chris@0 1134 NonRTPluginThread *thread = new NonRTPluginThread(instance, runFunction);
Chris@0 1135 m_threads[instance].insert(thread);
Chris@0 1136 thread->start();
Chris@0 1137 return 0;
Chris@0 1138 }
Chris@0 1139
Chris@0 1140 void
Chris@0 1141 DSSIPluginInstance::deactivate()
Chris@0 1142 {
Chris@0 1143 #ifdef DEBUG_DSSI
Chris@0 1144 std::cerr << "DSSIPluginInstance::deactivate " << m_identifier << std::endl;
Chris@0 1145 #endif
Chris@0 1146 if (!m_descriptor || !m_descriptor->LADSPA_Plugin->deactivate) return;
Chris@0 1147
Chris@0 1148 for (size_t i = 0; i < m_backupControlPortsIn.size(); ++i) {
Chris@0 1149 m_backupControlPortsIn[i] = *m_controlPortsIn[i].second;
Chris@0 1150 }
Chris@0 1151
Chris@0 1152 m_descriptor->LADSPA_Plugin->deactivate(m_instanceHandle);
Chris@0 1153 #ifdef DEBUG_DSSI
Chris@0 1154 std::cerr << "DSSIPluginInstance::deactivate " << m_identifier << " done" << std::endl;
Chris@0 1155 #endif
Chris@0 1156
Chris@0 1157 m_bufferScavenger.scavenge();
Chris@0 1158 }
Chris@0 1159
Chris@0 1160 void
Chris@0 1161 DSSIPluginInstance::cleanup()
Chris@0 1162 {
Chris@0 1163 #ifdef DEBUG_DSSI
Chris@0 1164 std::cerr << "DSSIPluginInstance::cleanup " << m_identifier << std::endl;
Chris@0 1165 #endif
Chris@0 1166 if (!m_descriptor) return;
Chris@0 1167
Chris@0 1168 if (!m_descriptor->LADSPA_Plugin->cleanup) {
Chris@0 1169 std::cerr << "Bad plugin: plugin id "
Chris@0 1170 << m_descriptor->LADSPA_Plugin->UniqueID
Chris@0 1171 << ":" << m_descriptor->LADSPA_Plugin->Label
Chris@0 1172 << " has no cleanup method!" << std::endl;
Chris@0 1173 return;
Chris@0 1174 }
Chris@0 1175
Chris@0 1176 m_descriptor->LADSPA_Plugin->cleanup(m_instanceHandle);
Chris@0 1177 m_instanceHandle = 0;
Chris@0 1178 #ifdef DEBUG_DSSI
Chris@0 1179 std::cerr << "DSSIPluginInstance::cleanup " << m_identifier << " done" << std::endl;
Chris@0 1180 #endif
Chris@0 1181 }
Chris@0 1182