annotate plugin/LADSPAPluginInstance.cpp @ 973:7aa9088e9bcd

Fix various slightly dodgy derefs and the like (from coverity scan)
author Chris Cannam
date Wed, 03 Sep 2014 11:20:18 +0100
parents e802e550a1f2
children b14064bd1f97
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@202 18 This file copyright 2000-2006 Chris Cannam, Richard Bown, and QMUL.
Chris@0 19 */
Chris@0 20
Chris@0 21 #include <iostream>
Chris@0 22 #include <cassert>
Chris@0 23
Chris@0 24 #include "LADSPAPluginInstance.h"
Chris@0 25 #include "LADSPAPluginFactory.h"
Chris@0 26
Chris@166 27 #ifdef HAVE_LRDF
Chris@166 28 #include "lrdf.h"
Chris@166 29 #endif // HAVE_LRDF
Chris@166 30
Chris@117 31 //#define DEBUG_LADSPA 1
Chris@0 32
Chris@259 33 #include <cmath>
Chris@259 34
Chris@0 35
Chris@0 36 LADSPAPluginInstance::LADSPAPluginInstance(RealTimePluginFactory *factory,
Chris@0 37 int clientId,
Chris@0 38 QString identifier,
Chris@0 39 int position,
Chris@0 40 unsigned long sampleRate,
Chris@0 41 size_t blockSize,
Chris@0 42 int idealChannelCount,
Chris@0 43 const LADSPA_Descriptor* descriptor) :
Chris@0 44 RealTimePluginInstance(factory, identifier),
Chris@0 45 m_client(clientId),
Chris@0 46 m_position(position),
Chris@0 47 m_instanceCount(0),
Chris@0 48 m_descriptor(descriptor),
Chris@0 49 m_blockSize(blockSize),
Chris@0 50 m_sampleRate(sampleRate),
Chris@0 51 m_latencyPort(0),
Chris@0 52 m_run(false),
Chris@0 53 m_bypassed(false)
Chris@0 54 {
Chris@0 55 init(idealChannelCount);
Chris@0 56
Chris@176 57 if (m_audioPortsIn.size() == 0) {
Chris@176 58 m_inputBuffers = 0;
Chris@176 59 } else {
Chris@176 60 m_inputBuffers = new sample_t*[m_instanceCount * m_audioPortsIn.size()];
Chris@176 61 }
Chris@176 62
Chris@176 63 if (m_audioPortsOut.size() == 0) {
Chris@176 64 m_outputBuffers = 0;
Chris@176 65 } else {
Chris@176 66 m_outputBuffers = new sample_t*[m_instanceCount * m_audioPortsOut.size()];
Chris@176 67 }
Chris@0 68
Chris@0 69 for (size_t i = 0; i < m_instanceCount * m_audioPortsIn.size(); ++i) {
Chris@0 70 m_inputBuffers[i] = new sample_t[blockSize];
Chris@0 71 }
Chris@0 72 for (size_t i = 0; i < m_instanceCount * m_audioPortsOut.size(); ++i) {
Chris@0 73 m_outputBuffers[i] = new sample_t[blockSize];
Chris@0 74 }
Chris@0 75
Chris@0 76 m_ownBuffers = true;
Chris@0 77
Chris@0 78 instantiate(sampleRate);
Chris@0 79 if (isOK()) {
Chris@0 80 connectPorts();
Chris@0 81 activate();
Chris@0 82 }
Chris@0 83 }
Chris@0 84
Chris@51 85 std::string
Chris@239 86 LADSPAPluginInstance::getIdentifier() const
Chris@239 87 {
Chris@239 88 return m_descriptor->Label;
Chris@239 89 }
Chris@239 90
Chris@239 91 std::string
Chris@51 92 LADSPAPluginInstance::getName() const
Chris@0 93 {
Chris@239 94 return m_descriptor->Name;
Chris@0 95 }
Chris@0 96
Chris@51 97 std::string
Chris@51 98 LADSPAPluginInstance::getDescription() const
Chris@51 99 {
Chris@239 100 return "";
Chris@51 101 }
Chris@51 102
Chris@51 103 std::string
Chris@51 104 LADSPAPluginInstance::getMaker() const
Chris@51 105 {
Chris@51 106 return m_descriptor->Maker;
Chris@51 107 }
Chris@51 108
Chris@51 109 int
Chris@51 110 LADSPAPluginInstance::getPluginVersion() const
Chris@51 111 {
Chris@473 112 return -1;
Chris@51 113 }
Chris@51 114
Chris@51 115 std::string
Chris@51 116 LADSPAPluginInstance::getCopyright() const
Chris@51 117 {
Chris@51 118 return m_descriptor->Copyright;
Chris@51 119 }
Chris@51 120
Chris@51 121 LADSPAPluginInstance::ParameterList
Chris@51 122 LADSPAPluginInstance::getParameterDescriptors() const
Chris@51 123 {
Chris@51 124 ParameterList list;
Chris@51 125 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@973 126 if (!f) return list;
Chris@51 127
Chris@51 128 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@51 129
Chris@51 130 ParameterDescriptor pd;
Chris@51 131 unsigned int pn = m_controlPortsIn[i].first;
Chris@51 132
Chris@239 133 pd.identifier = m_descriptor->PortNames[pn];
Chris@239 134 pd.name = pd.identifier;
Chris@239 135 pd.description = "";
Chris@51 136 pd.minValue = f->getPortMinimum(m_descriptor, pn);
Chris@51 137 pd.maxValue = f->getPortMaximum(m_descriptor, pn);
Chris@51 138 pd.defaultValue = f->getPortDefault(m_descriptor, pn);
Chris@57 139
Chris@57 140 float q = f->getPortQuantization(m_descriptor, pn);
Chris@57 141 if (q == 0.0) {
Chris@57 142 pd.isQuantized = false;
Chris@57 143 } else {
Chris@57 144 pd.isQuantized = true;
Chris@57 145 pd.quantizeStep = q;
Chris@57 146 }
Chris@51 147
Chris@166 148 bool haveLabels = false;
Chris@166 149
Chris@166 150 #ifdef HAVE_LRDF
Chris@166 151 if (pd.isQuantized && pd.quantizeStep == 1.0) {
Chris@166 152
Chris@166 153 lrdf_defaults *defaults =
Chris@166 154 lrdf_get_scale_values(m_descriptor->UniqueID, pn);
Chris@166 155
Chris@166 156 if (defaults) {
Chris@166 157 if (defaults->count > 0) {
Chris@166 158 std::map<int, std::string> values;
Chris@259 159 size_t v = 0;
Chris@166 160 for (size_t i = 0; i < defaults->count; ++i) {
Chris@259 161 v = size_t(lrintf(fabsf(defaults->items[i].value)));
Chris@166 162 values[v] = defaults->items[i].label;
Chris@166 163 }
Chris@166 164 for (size_t i = 0; i <= v; ++i) {
Chris@166 165 pd.valueNames.push_back(values[i]);
Chris@166 166 }
Chris@166 167 haveLabels = true;
Chris@166 168 }
Chris@166 169 lrdf_free_setting_values(defaults);
Chris@166 170 }
Chris@166 171 }
Chris@166 172 #endif
Chris@166 173
Chris@166 174 if (haveLabels) {
Chris@239 175 pd.name = QString(pd.name.c_str())
Chris@166 176 .replace(QRegExp("\\([^\\(\\)]+=[^\\(\\)]+\\)$"), "")
Chris@166 177 .toStdString();
Chris@166 178 } else {
Chris@166 179 static QRegExp unitRE("[\\[\\(]([A-Za-z0-9/]+)[\\)\\]]$");
Chris@166 180 if (unitRE.indexIn(pd.name.c_str()) >= 0) {
Chris@166 181 pd.unit = unitRE.cap(1).toStdString();
Chris@239 182 pd.name = QString(pd.name.c_str())
Chris@166 183 .replace(unitRE, "").toStdString();
Chris@166 184 }
Chris@166 185 }
Chris@166 186
Chris@51 187 list.push_back(pd);
Chris@51 188 }
Chris@51 189
Chris@51 190 return list;
Chris@51 191 }
Chris@51 192
Chris@51 193 float
Chris@239 194 LADSPAPluginInstance::getParameter(std::string id) const
Chris@51 195 {
Chris@51 196 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@239 197 if (id == m_descriptor->PortNames[m_controlPortsIn[i].first]) {
Chris@51 198 return getParameterValue(i);
Chris@51 199 }
Chris@51 200 }
Chris@51 201
Chris@51 202 return 0.0;
Chris@51 203 }
Chris@51 204
Chris@51 205 void
Chris@239 206 LADSPAPluginInstance::setParameter(std::string id, float value)
Chris@51 207 {
Chris@51 208 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@239 209 if (id == m_descriptor->PortNames[m_controlPortsIn[i].first]) {
Chris@242 210 #ifdef DEBUG_LADSPA
Chris@690 211 SVDEBUG << "LADSPAPluginInstance::setParameter: Found id "
Chris@687 212 << id << " at control port " << i << endl;
Chris@242 213 #endif
Chris@51 214 setParameterValue(i, value);
Chris@51 215 break;
Chris@51 216 }
Chris@51 217 }
Chris@51 218 }
Chris@0 219
Chris@0 220 void
Chris@0 221 LADSPAPluginInstance::init(int idealChannelCount)
Chris@0 222 {
Chris@0 223 #ifdef DEBUG_LADSPA
Chris@690 224 SVDEBUG << "LADSPAPluginInstance::init(" << idealChannelCount << "): plugin has "
Chris@687 225 << m_descriptor->PortCount << " ports" << endl;
Chris@0 226 #endif
Chris@0 227
Chris@0 228 // Discover ports numbers and identities
Chris@0 229 //
Chris@242 230 for (unsigned long i = 0; i < m_descriptor->PortCount; ++i) {
Chris@242 231
Chris@242 232 if (LADSPA_IS_PORT_AUDIO(m_descriptor->PortDescriptors[i])) {
Chris@242 233
Chris@0 234 if (LADSPA_IS_PORT_INPUT(m_descriptor->PortDescriptors[i])) {
Chris@0 235 #ifdef DEBUG_LADSPA
Chris@690 236 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is audio in" << endl;
Chris@0 237 #endif
Chris@0 238 m_audioPortsIn.push_back(i);
Chris@0 239 } else {
Chris@0 240 #ifdef DEBUG_LADSPA
Chris@690 241 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is audio out" << endl;
Chris@0 242 #endif
Chris@0 243 m_audioPortsOut.push_back(i);
Chris@0 244 }
Chris@242 245
Chris@242 246 } else if (LADSPA_IS_PORT_CONTROL(m_descriptor->PortDescriptors[i])) {
Chris@242 247
Chris@0 248 if (LADSPA_IS_PORT_INPUT(m_descriptor->PortDescriptors[i])) {
Chris@242 249
Chris@0 250 #ifdef DEBUG_LADSPA
Chris@690 251 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is control in" << endl;
Chris@0 252 #endif
Chris@0 253 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 254 m_controlPortsIn.push_back(
Chris@0 255 std::pair<unsigned long, LADSPA_Data*>(i, data));
Chris@242 256
Chris@0 257 } else {
Chris@242 258
Chris@0 259 #ifdef DEBUG_LADSPA
Chris@690 260 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is control out" << endl;
Chris@0 261 #endif
Chris@0 262 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 263 m_controlPortsOut.push_back(
Chris@0 264 std::pair<unsigned long, LADSPA_Data*>(i, data));
Chris@0 265 if (!strcmp(m_descriptor->PortNames[i], "latency") ||
Chris@0 266 !strcmp(m_descriptor->PortNames[i], "_latency")) {
Chris@0 267 #ifdef DEBUG_LADSPA
Chris@843 268 cerr << "Wooo! We have a latency port!" << endl;
Chris@0 269 #endif
Chris@0 270 m_latencyPort = data;
Chris@0 271 }
Chris@242 272
Chris@0 273 }
Chris@0 274 }
Chris@0 275 #ifdef DEBUG_LADSPA
Chris@0 276 else
Chris@690 277 SVDEBUG << "LADSPAPluginInstance::init - "
Chris@687 278 << "unrecognised port type" << endl;
Chris@0 279 #endif
Chris@0 280 }
Chris@0 281
Chris@0 282 m_instanceCount = 1;
Chris@0 283
Chris@0 284 if (idealChannelCount > 0) {
Chris@0 285 if (m_audioPortsIn.size() == 1) {
Chris@0 286 // mono plugin: duplicate it if need be
Chris@0 287 m_instanceCount = idealChannelCount;
Chris@0 288 }
Chris@0 289 }
Chris@0 290 }
Chris@0 291
Chris@0 292 size_t
Chris@0 293 LADSPAPluginInstance::getLatency()
Chris@0 294 {
Chris@0 295 if (m_latencyPort) {
Chris@242 296 if (!m_run) {
Chris@259 297 for (size_t i = 0; i < getAudioInputCount(); ++i) {
Chris@259 298 for (size_t j = 0; j < m_blockSize; ++j) {
Chris@242 299 m_inputBuffers[i][j] = 0.f;
Chris@242 300 }
Chris@242 301 }
Chris@242 302 run(Vamp::RealTime::zeroTime);
Chris@242 303 }
Chris@0 304 if (*m_latencyPort > 0) return (size_t)*m_latencyPort;
Chris@0 305 }
Chris@0 306 return 0;
Chris@0 307 }
Chris@0 308
Chris@0 309 void
Chris@0 310 LADSPAPluginInstance::silence()
Chris@0 311 {
Chris@0 312 if (isOK()) {
Chris@0 313 deactivate();
Chris@0 314 activate();
Chris@0 315 }
Chris@0 316 }
Chris@0 317
Chris@0 318 void
Chris@0 319 LADSPAPluginInstance::setIdealChannelCount(size_t channels)
Chris@0 320 {
Chris@0 321 if (m_audioPortsIn.size() != 1 || channels == m_instanceCount) {
Chris@0 322 silence();
Chris@0 323 return;
Chris@0 324 }
Chris@0 325
Chris@0 326 if (isOK()) {
Chris@0 327 deactivate();
Chris@0 328 }
Chris@0 329
Chris@0 330 //!!! don't we need to reallocate inputBuffers and outputBuffers?
Chris@0 331
Chris@0 332 cleanup();
Chris@0 333 m_instanceCount = channels;
Chris@0 334 instantiate(m_sampleRate);
Chris@0 335 if (isOK()) {
Chris@0 336 connectPorts();
Chris@0 337 activate();
Chris@0 338 }
Chris@0 339 }
Chris@0 340
Chris@0 341
Chris@0 342 LADSPAPluginInstance::~LADSPAPluginInstance()
Chris@0 343 {
Chris@0 344 #ifdef DEBUG_LADSPA
Chris@690 345 SVDEBUG << "LADSPAPluginInstance::~LADSPAPluginInstance" << endl;
Chris@0 346 #endif
Chris@0 347
Chris@0 348 if (m_instanceHandles.size() != 0) { // "isOK()"
Chris@0 349 deactivate();
Chris@0 350 }
Chris@0 351
Chris@0 352 cleanup();
Chris@0 353
Chris@0 354 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i)
Chris@0 355 delete m_controlPortsIn[i].second;
Chris@0 356
Chris@0 357 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i)
Chris@0 358 delete m_controlPortsOut[i].second;
Chris@0 359
Chris@0 360 m_controlPortsIn.clear();
Chris@0 361 m_controlPortsOut.clear();
Chris@0 362
Chris@0 363 if (m_ownBuffers) {
Chris@184 364 for (size_t i = 0; i < m_instanceCount * m_audioPortsIn.size(); ++i) {
Chris@0 365 delete[] m_inputBuffers[i];
Chris@0 366 }
Chris@184 367 for (size_t i = 0; i < m_instanceCount * m_audioPortsOut.size(); ++i) {
Chris@0 368 delete[] m_outputBuffers[i];
Chris@0 369 }
Chris@0 370
Chris@0 371 delete[] m_inputBuffers;
Chris@0 372 delete[] m_outputBuffers;
Chris@0 373 }
Chris@0 374
Chris@0 375 m_audioPortsIn.clear();
Chris@0 376 m_audioPortsOut.clear();
Chris@0 377 }
Chris@0 378
Chris@0 379
Chris@0 380 void
Chris@0 381 LADSPAPluginInstance::instantiate(unsigned long sampleRate)
Chris@0 382 {
Chris@724 383 if (!m_descriptor) return;
Chris@724 384
Chris@0 385 #ifdef DEBUG_LADSPA
Chris@843 386 cout << "LADSPAPluginInstance::instantiate - plugin unique id = "
Chris@843 387 << m_descriptor->UniqueID << endl;
Chris@0 388 #endif
Chris@0 389
Chris@0 390 if (!m_descriptor->instantiate) {
Chris@843 391 cerr << "Bad plugin: plugin id " << m_descriptor->UniqueID
Chris@0 392 << ":" << m_descriptor->Label
Chris@843 393 << " has no instantiate method!" << endl;
Chris@0 394 return;
Chris@0 395 }
Chris@0 396
Chris@0 397 for (size_t i = 0; i < m_instanceCount; ++i) {
Chris@0 398 m_instanceHandles.push_back
Chris@0 399 (m_descriptor->instantiate(m_descriptor, sampleRate));
Chris@0 400 }
Chris@0 401 }
Chris@0 402
Chris@0 403 void
Chris@0 404 LADSPAPluginInstance::activate()
Chris@0 405 {
Chris@0 406 if (!m_descriptor || !m_descriptor->activate) return;
Chris@0 407
Chris@0 408 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 409 hi != m_instanceHandles.end(); ++hi) {
Chris@0 410 m_descriptor->activate(*hi);
Chris@0 411 }
Chris@0 412 }
Chris@0 413
Chris@0 414 void
Chris@0 415 LADSPAPluginInstance::connectPorts()
Chris@0 416 {
Chris@0 417 if (!m_descriptor || !m_descriptor->connect_port) return;
Chris@0 418
Chris@0 419 assert(sizeof(LADSPA_Data) == sizeof(float));
Chris@0 420 assert(sizeof(sample_t) == sizeof(float));
Chris@0 421
Chris@57 422 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 423 int inbuf = 0, outbuf = 0;
Chris@0 424
Chris@0 425 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 426 hi != m_instanceHandles.end(); ++hi) {
Chris@0 427
Chris@0 428 for (unsigned int i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 429 m_descriptor->connect_port(*hi,
Chris@0 430 m_audioPortsIn[i],
Chris@0 431 (LADSPA_Data *)m_inputBuffers[inbuf]);
Chris@0 432 ++inbuf;
Chris@0 433 }
Chris@0 434
Chris@0 435 for (unsigned int i = 0; i < m_audioPortsOut.size(); ++i) {
Chris@0 436 m_descriptor->connect_port(*hi,
Chris@0 437 m_audioPortsOut[i],
Chris@0 438 (LADSPA_Data *)m_outputBuffers[outbuf]);
Chris@0 439 ++outbuf;
Chris@0 440 }
Chris@0 441
Chris@0 442 // If there is more than one instance, they all share the same
Chris@0 443 // control port ins (and outs, for the moment, because we
Chris@0 444 // don't actually do anything with the outs anyway -- but they
Chris@0 445 // do have to be connected as the plugin can't know if they're
Chris@0 446 // not and will write to them anyway).
Chris@0 447
Chris@0 448 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@0 449 m_descriptor->connect_port(*hi,
Chris@0 450 m_controlPortsIn[i].first,
Chris@0 451 m_controlPortsIn[i].second);
Chris@57 452 if (f) {
Chris@57 453 float defaultValue = f->getPortDefault
Chris@57 454 (m_descriptor, m_controlPortsIn[i].first);
Chris@57 455 *m_controlPortsIn[i].second = defaultValue;
Chris@57 456 }
Chris@0 457 }
Chris@0 458
Chris@0 459 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i) {
Chris@0 460 m_descriptor->connect_port(*hi,
Chris@0 461 m_controlPortsOut[i].first,
Chris@0 462 m_controlPortsOut[i].second);
Chris@0 463 }
Chris@0 464 }
Chris@0 465 }
Chris@0 466
Chris@0 467 unsigned int
Chris@0 468 LADSPAPluginInstance::getParameterCount() const
Chris@0 469 {
Chris@0 470 return m_controlPortsIn.size();
Chris@0 471 }
Chris@0 472
Chris@0 473 void
Chris@0 474 LADSPAPluginInstance::setParameterValue(unsigned int parameter, float value)
Chris@0 475 {
Chris@0 476 if (parameter >= m_controlPortsIn.size()) return;
Chris@0 477
Chris@0 478 unsigned int portNumber = m_controlPortsIn[parameter].first;
Chris@0 479
Chris@0 480 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 481 if (f) {
Chris@0 482 if (value < f->getPortMinimum(m_descriptor, portNumber)) {
Chris@0 483 value = f->getPortMinimum(m_descriptor, portNumber);
Chris@0 484 }
Chris@0 485 if (value > f->getPortMaximum(m_descriptor, portNumber)) {
Chris@0 486 value = f->getPortMaximum(m_descriptor, portNumber);
Chris@0 487 }
Chris@0 488 }
Chris@0 489
Chris@0 490 (*m_controlPortsIn[parameter].second) = value;
Chris@0 491 }
Chris@0 492
Chris@0 493 float
Martin@62 494 LADSPAPluginInstance::getControlOutputValue(size_t output) const
Chris@60 495 {
Chris@60 496 if (output > m_controlPortsOut.size()) return 0.0;
Chris@60 497 return (*m_controlPortsOut[output].second);
Chris@60 498 }
Chris@60 499
Chris@60 500 float
Chris@0 501 LADSPAPluginInstance::getParameterValue(unsigned int parameter) const
Chris@0 502 {
Chris@0 503 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 504 return (*m_controlPortsIn[parameter].second);
Chris@0 505 }
Chris@0 506
Chris@0 507 float
Chris@0 508 LADSPAPluginInstance::getParameterDefault(unsigned int parameter) const
Chris@0 509 {
Chris@0 510 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 511
Chris@0 512 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 513 if (f) {
Chris@0 514 return f->getPortDefault(m_descriptor, m_controlPortsIn[parameter].first);
Chris@0 515 } else {
Chris@0 516 return 0.0f;
Chris@0 517 }
Chris@0 518 }
Chris@0 519
Chris@356 520 int
Chris@356 521 LADSPAPluginInstance::getParameterDisplayHint(unsigned int parameter) const
Chris@356 522 {
Chris@356 523 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@356 524
Chris@356 525 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@356 526 if (f) {
Chris@356 527 return f->getPortDisplayHint(m_descriptor, m_controlPortsIn[parameter].first);
Chris@356 528 } else {
Chris@356 529 return PortHint::NoHint;
Chris@356 530 }
Chris@356 531 }
Chris@356 532
Chris@0 533 void
Chris@385 534 LADSPAPluginInstance::run(const Vamp::RealTime &, size_t count)
Chris@0 535 {
Chris@0 536 if (!m_descriptor || !m_descriptor->run) return;
Chris@0 537
Chris@385 538 if (count == 0) count = m_blockSize;
Chris@385 539
Chris@0 540 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 541 hi != m_instanceHandles.end(); ++hi) {
Chris@242 542
Chris@385 543 m_descriptor->run(*hi, count);
Chris@0 544 }
Chris@0 545
Chris@0 546 m_run = true;
Chris@0 547 }
Chris@0 548
Chris@0 549 void
Chris@0 550 LADSPAPluginInstance::deactivate()
Chris@0 551 {
Chris@0 552 if (!m_descriptor || !m_descriptor->deactivate) return;
Chris@0 553
Chris@0 554 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 555 hi != m_instanceHandles.end(); ++hi) {
Chris@0 556 m_descriptor->deactivate(*hi);
Chris@0 557 }
Chris@0 558 }
Chris@0 559
Chris@0 560 void
Chris@0 561 LADSPAPluginInstance::cleanup()
Chris@0 562 {
Chris@0 563 if (!m_descriptor) return;
Chris@0 564
Chris@0 565 if (!m_descriptor->cleanup) {
Chris@843 566 cerr << "Bad plugin: plugin id " << m_descriptor->UniqueID
Chris@0 567 << ":" << m_descriptor->Label
Chris@843 568 << " has no cleanup method!" << endl;
Chris@0 569 return;
Chris@0 570 }
Chris@0 571
Chris@0 572 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 573 hi != m_instanceHandles.end(); ++hi) {
Chris@0 574 m_descriptor->cleanup(*hi);
Chris@0 575 }
Chris@0 576
Chris@0 577 m_instanceHandles.clear();
Chris@0 578 }
Chris@0 579
Chris@0 580