annotate plugin/LADSPAPluginInstance.cpp @ 724:7eb389da7976

Fix cppcheck warnings
author Chris Cannam
date Fri, 18 May 2012 09:48:19 +0100
parents 1424aa29ae95
children e802e550a1f2
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@51 126
Chris@51 127 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@51 128
Chris@51 129 ParameterDescriptor pd;
Chris@51 130 unsigned int pn = m_controlPortsIn[i].first;
Chris@51 131
Chris@239 132 pd.identifier = m_descriptor->PortNames[pn];
Chris@239 133 pd.name = pd.identifier;
Chris@239 134 pd.description = "";
Chris@51 135 pd.minValue = f->getPortMinimum(m_descriptor, pn);
Chris@51 136 pd.maxValue = f->getPortMaximum(m_descriptor, pn);
Chris@51 137 pd.defaultValue = f->getPortDefault(m_descriptor, pn);
Chris@57 138
Chris@57 139 float q = f->getPortQuantization(m_descriptor, pn);
Chris@57 140 if (q == 0.0) {
Chris@57 141 pd.isQuantized = false;
Chris@57 142 } else {
Chris@57 143 pd.isQuantized = true;
Chris@57 144 pd.quantizeStep = q;
Chris@57 145 }
Chris@51 146
Chris@166 147 bool haveLabels = false;
Chris@166 148
Chris@166 149 #ifdef HAVE_LRDF
Chris@166 150 if (pd.isQuantized && pd.quantizeStep == 1.0) {
Chris@166 151
Chris@166 152 lrdf_defaults *defaults =
Chris@166 153 lrdf_get_scale_values(m_descriptor->UniqueID, pn);
Chris@166 154
Chris@166 155 if (defaults) {
Chris@166 156 if (defaults->count > 0) {
Chris@166 157 std::map<int, std::string> values;
Chris@259 158 size_t v = 0;
Chris@166 159 for (size_t i = 0; i < defaults->count; ++i) {
Chris@259 160 v = size_t(lrintf(fabsf(defaults->items[i].value)));
Chris@166 161 values[v] = defaults->items[i].label;
Chris@166 162 }
Chris@166 163 for (size_t i = 0; i <= v; ++i) {
Chris@166 164 pd.valueNames.push_back(values[i]);
Chris@166 165 }
Chris@166 166 haveLabels = true;
Chris@166 167 }
Chris@166 168 lrdf_free_setting_values(defaults);
Chris@166 169 }
Chris@166 170 }
Chris@166 171 #endif
Chris@166 172
Chris@166 173 if (haveLabels) {
Chris@239 174 pd.name = QString(pd.name.c_str())
Chris@166 175 .replace(QRegExp("\\([^\\(\\)]+=[^\\(\\)]+\\)$"), "")
Chris@166 176 .toStdString();
Chris@166 177 } else {
Chris@166 178 static QRegExp unitRE("[\\[\\(]([A-Za-z0-9/]+)[\\)\\]]$");
Chris@166 179 if (unitRE.indexIn(pd.name.c_str()) >= 0) {
Chris@166 180 pd.unit = unitRE.cap(1).toStdString();
Chris@239 181 pd.name = QString(pd.name.c_str())
Chris@166 182 .replace(unitRE, "").toStdString();
Chris@166 183 }
Chris@166 184 }
Chris@166 185
Chris@51 186 list.push_back(pd);
Chris@51 187 }
Chris@51 188
Chris@51 189 return list;
Chris@51 190 }
Chris@51 191
Chris@51 192 float
Chris@239 193 LADSPAPluginInstance::getParameter(std::string id) const
Chris@51 194 {
Chris@51 195 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@239 196 if (id == m_descriptor->PortNames[m_controlPortsIn[i].first]) {
Chris@51 197 return getParameterValue(i);
Chris@51 198 }
Chris@51 199 }
Chris@51 200
Chris@51 201 return 0.0;
Chris@51 202 }
Chris@51 203
Chris@51 204 void
Chris@239 205 LADSPAPluginInstance::setParameter(std::string id, float value)
Chris@51 206 {
Chris@51 207 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@239 208 if (id == m_descriptor->PortNames[m_controlPortsIn[i].first]) {
Chris@242 209 #ifdef DEBUG_LADSPA
Chris@690 210 SVDEBUG << "LADSPAPluginInstance::setParameter: Found id "
Chris@687 211 << id << " at control port " << i << endl;
Chris@242 212 #endif
Chris@51 213 setParameterValue(i, value);
Chris@51 214 break;
Chris@51 215 }
Chris@51 216 }
Chris@51 217 }
Chris@0 218
Chris@0 219 void
Chris@0 220 LADSPAPluginInstance::init(int idealChannelCount)
Chris@0 221 {
Chris@0 222 #ifdef DEBUG_LADSPA
Chris@690 223 SVDEBUG << "LADSPAPluginInstance::init(" << idealChannelCount << "): plugin has "
Chris@687 224 << m_descriptor->PortCount << " ports" << endl;
Chris@0 225 #endif
Chris@0 226
Chris@0 227 // Discover ports numbers and identities
Chris@0 228 //
Chris@242 229 for (unsigned long i = 0; i < m_descriptor->PortCount; ++i) {
Chris@242 230
Chris@242 231 if (LADSPA_IS_PORT_AUDIO(m_descriptor->PortDescriptors[i])) {
Chris@242 232
Chris@0 233 if (LADSPA_IS_PORT_INPUT(m_descriptor->PortDescriptors[i])) {
Chris@0 234 #ifdef DEBUG_LADSPA
Chris@690 235 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is audio in" << endl;
Chris@0 236 #endif
Chris@0 237 m_audioPortsIn.push_back(i);
Chris@0 238 } else {
Chris@0 239 #ifdef DEBUG_LADSPA
Chris@690 240 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is audio out" << endl;
Chris@0 241 #endif
Chris@0 242 m_audioPortsOut.push_back(i);
Chris@0 243 }
Chris@242 244
Chris@242 245 } else if (LADSPA_IS_PORT_CONTROL(m_descriptor->PortDescriptors[i])) {
Chris@242 246
Chris@0 247 if (LADSPA_IS_PORT_INPUT(m_descriptor->PortDescriptors[i])) {
Chris@242 248
Chris@0 249 #ifdef DEBUG_LADSPA
Chris@690 250 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is control in" << endl;
Chris@0 251 #endif
Chris@0 252 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 253 m_controlPortsIn.push_back(
Chris@0 254 std::pair<unsigned long, LADSPA_Data*>(i, data));
Chris@242 255
Chris@0 256 } else {
Chris@242 257
Chris@0 258 #ifdef DEBUG_LADSPA
Chris@690 259 SVDEBUG << "LADSPAPluginInstance::init: port " << i << " is control out" << endl;
Chris@0 260 #endif
Chris@0 261 LADSPA_Data *data = new LADSPA_Data(0.0);
Chris@0 262 m_controlPortsOut.push_back(
Chris@0 263 std::pair<unsigned long, LADSPA_Data*>(i, data));
Chris@0 264 if (!strcmp(m_descriptor->PortNames[i], "latency") ||
Chris@0 265 !strcmp(m_descriptor->PortNames[i], "_latency")) {
Chris@0 266 #ifdef DEBUG_LADSPA
Chris@0 267 std::cerr << "Wooo! We have a latency port!" << std::endl;
Chris@0 268 #endif
Chris@0 269 m_latencyPort = data;
Chris@0 270 }
Chris@242 271
Chris@0 272 }
Chris@0 273 }
Chris@0 274 #ifdef DEBUG_LADSPA
Chris@0 275 else
Chris@690 276 SVDEBUG << "LADSPAPluginInstance::init - "
Chris@687 277 << "unrecognised port type" << endl;
Chris@0 278 #endif
Chris@0 279 }
Chris@0 280
Chris@0 281 m_instanceCount = 1;
Chris@0 282
Chris@0 283 if (idealChannelCount > 0) {
Chris@0 284 if (m_audioPortsIn.size() == 1) {
Chris@0 285 // mono plugin: duplicate it if need be
Chris@0 286 m_instanceCount = idealChannelCount;
Chris@0 287 }
Chris@0 288 }
Chris@0 289 }
Chris@0 290
Chris@0 291 size_t
Chris@0 292 LADSPAPluginInstance::getLatency()
Chris@0 293 {
Chris@0 294 if (m_latencyPort) {
Chris@242 295 if (!m_run) {
Chris@259 296 for (size_t i = 0; i < getAudioInputCount(); ++i) {
Chris@259 297 for (size_t j = 0; j < m_blockSize; ++j) {
Chris@242 298 m_inputBuffers[i][j] = 0.f;
Chris@242 299 }
Chris@242 300 }
Chris@242 301 run(Vamp::RealTime::zeroTime);
Chris@242 302 }
Chris@0 303 if (*m_latencyPort > 0) return (size_t)*m_latencyPort;
Chris@0 304 }
Chris@0 305 return 0;
Chris@0 306 }
Chris@0 307
Chris@0 308 void
Chris@0 309 LADSPAPluginInstance::silence()
Chris@0 310 {
Chris@0 311 if (isOK()) {
Chris@0 312 deactivate();
Chris@0 313 activate();
Chris@0 314 }
Chris@0 315 }
Chris@0 316
Chris@0 317 void
Chris@0 318 LADSPAPluginInstance::setIdealChannelCount(size_t channels)
Chris@0 319 {
Chris@0 320 if (m_audioPortsIn.size() != 1 || channels == m_instanceCount) {
Chris@0 321 silence();
Chris@0 322 return;
Chris@0 323 }
Chris@0 324
Chris@0 325 if (isOK()) {
Chris@0 326 deactivate();
Chris@0 327 }
Chris@0 328
Chris@0 329 //!!! don't we need to reallocate inputBuffers and outputBuffers?
Chris@0 330
Chris@0 331 cleanup();
Chris@0 332 m_instanceCount = channels;
Chris@0 333 instantiate(m_sampleRate);
Chris@0 334 if (isOK()) {
Chris@0 335 connectPorts();
Chris@0 336 activate();
Chris@0 337 }
Chris@0 338 }
Chris@0 339
Chris@0 340
Chris@0 341 LADSPAPluginInstance::~LADSPAPluginInstance()
Chris@0 342 {
Chris@0 343 #ifdef DEBUG_LADSPA
Chris@690 344 SVDEBUG << "LADSPAPluginInstance::~LADSPAPluginInstance" << endl;
Chris@0 345 #endif
Chris@0 346
Chris@0 347 if (m_instanceHandles.size() != 0) { // "isOK()"
Chris@0 348 deactivate();
Chris@0 349 }
Chris@0 350
Chris@0 351 cleanup();
Chris@0 352
Chris@0 353 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i)
Chris@0 354 delete m_controlPortsIn[i].second;
Chris@0 355
Chris@0 356 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i)
Chris@0 357 delete m_controlPortsOut[i].second;
Chris@0 358
Chris@0 359 m_controlPortsIn.clear();
Chris@0 360 m_controlPortsOut.clear();
Chris@0 361
Chris@0 362 if (m_ownBuffers) {
Chris@184 363 for (size_t i = 0; i < m_instanceCount * m_audioPortsIn.size(); ++i) {
Chris@0 364 delete[] m_inputBuffers[i];
Chris@0 365 }
Chris@184 366 for (size_t i = 0; i < m_instanceCount * m_audioPortsOut.size(); ++i) {
Chris@0 367 delete[] m_outputBuffers[i];
Chris@0 368 }
Chris@0 369
Chris@0 370 delete[] m_inputBuffers;
Chris@0 371 delete[] m_outputBuffers;
Chris@0 372 }
Chris@0 373
Chris@0 374 m_audioPortsIn.clear();
Chris@0 375 m_audioPortsOut.clear();
Chris@0 376 }
Chris@0 377
Chris@0 378
Chris@0 379 void
Chris@0 380 LADSPAPluginInstance::instantiate(unsigned long sampleRate)
Chris@0 381 {
Chris@724 382 if (!m_descriptor) return;
Chris@724 383
Chris@0 384 #ifdef DEBUG_LADSPA
Chris@0 385 std::cout << "LADSPAPluginInstance::instantiate - plugin unique id = "
Chris@0 386 << m_descriptor->UniqueID << std::endl;
Chris@0 387 #endif
Chris@0 388
Chris@0 389 if (!m_descriptor->instantiate) {
Chris@0 390 std::cerr << "Bad plugin: plugin id " << m_descriptor->UniqueID
Chris@0 391 << ":" << m_descriptor->Label
Chris@0 392 << " has no instantiate method!" << std::endl;
Chris@0 393 return;
Chris@0 394 }
Chris@0 395
Chris@0 396 for (size_t i = 0; i < m_instanceCount; ++i) {
Chris@0 397 m_instanceHandles.push_back
Chris@0 398 (m_descriptor->instantiate(m_descriptor, sampleRate));
Chris@0 399 }
Chris@0 400 }
Chris@0 401
Chris@0 402 void
Chris@0 403 LADSPAPluginInstance::activate()
Chris@0 404 {
Chris@0 405 if (!m_descriptor || !m_descriptor->activate) return;
Chris@0 406
Chris@0 407 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 408 hi != m_instanceHandles.end(); ++hi) {
Chris@0 409 m_descriptor->activate(*hi);
Chris@0 410 }
Chris@0 411 }
Chris@0 412
Chris@0 413 void
Chris@0 414 LADSPAPluginInstance::connectPorts()
Chris@0 415 {
Chris@0 416 if (!m_descriptor || !m_descriptor->connect_port) return;
Chris@0 417
Chris@0 418 assert(sizeof(LADSPA_Data) == sizeof(float));
Chris@0 419 assert(sizeof(sample_t) == sizeof(float));
Chris@0 420
Chris@57 421 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 422 int inbuf = 0, outbuf = 0;
Chris@0 423
Chris@0 424 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 425 hi != m_instanceHandles.end(); ++hi) {
Chris@0 426
Chris@0 427 for (unsigned int i = 0; i < m_audioPortsIn.size(); ++i) {
Chris@0 428 m_descriptor->connect_port(*hi,
Chris@0 429 m_audioPortsIn[i],
Chris@0 430 (LADSPA_Data *)m_inputBuffers[inbuf]);
Chris@0 431 ++inbuf;
Chris@0 432 }
Chris@0 433
Chris@0 434 for (unsigned int i = 0; i < m_audioPortsOut.size(); ++i) {
Chris@0 435 m_descriptor->connect_port(*hi,
Chris@0 436 m_audioPortsOut[i],
Chris@0 437 (LADSPA_Data *)m_outputBuffers[outbuf]);
Chris@0 438 ++outbuf;
Chris@0 439 }
Chris@0 440
Chris@0 441 // If there is more than one instance, they all share the same
Chris@0 442 // control port ins (and outs, for the moment, because we
Chris@0 443 // don't actually do anything with the outs anyway -- but they
Chris@0 444 // do have to be connected as the plugin can't know if they're
Chris@0 445 // not and will write to them anyway).
Chris@0 446
Chris@0 447 for (unsigned int i = 0; i < m_controlPortsIn.size(); ++i) {
Chris@0 448 m_descriptor->connect_port(*hi,
Chris@0 449 m_controlPortsIn[i].first,
Chris@0 450 m_controlPortsIn[i].second);
Chris@57 451 if (f) {
Chris@57 452 float defaultValue = f->getPortDefault
Chris@57 453 (m_descriptor, m_controlPortsIn[i].first);
Chris@57 454 *m_controlPortsIn[i].second = defaultValue;
Chris@57 455 }
Chris@0 456 }
Chris@0 457
Chris@0 458 for (unsigned int i = 0; i < m_controlPortsOut.size(); ++i) {
Chris@0 459 m_descriptor->connect_port(*hi,
Chris@0 460 m_controlPortsOut[i].first,
Chris@0 461 m_controlPortsOut[i].second);
Chris@0 462 }
Chris@0 463 }
Chris@0 464 }
Chris@0 465
Chris@0 466 unsigned int
Chris@0 467 LADSPAPluginInstance::getParameterCount() const
Chris@0 468 {
Chris@0 469 return m_controlPortsIn.size();
Chris@0 470 }
Chris@0 471
Chris@0 472 void
Chris@0 473 LADSPAPluginInstance::setParameterValue(unsigned int parameter, float value)
Chris@0 474 {
Chris@0 475 if (parameter >= m_controlPortsIn.size()) return;
Chris@0 476
Chris@0 477 unsigned int portNumber = m_controlPortsIn[parameter].first;
Chris@0 478
Chris@0 479 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 480 if (f) {
Chris@0 481 if (value < f->getPortMinimum(m_descriptor, portNumber)) {
Chris@0 482 value = f->getPortMinimum(m_descriptor, portNumber);
Chris@0 483 }
Chris@0 484 if (value > f->getPortMaximum(m_descriptor, portNumber)) {
Chris@0 485 value = f->getPortMaximum(m_descriptor, portNumber);
Chris@0 486 }
Chris@0 487 }
Chris@0 488
Chris@0 489 (*m_controlPortsIn[parameter].second) = value;
Chris@0 490 }
Chris@0 491
Chris@0 492 float
Martin@62 493 LADSPAPluginInstance::getControlOutputValue(size_t output) const
Chris@60 494 {
Chris@60 495 if (output > m_controlPortsOut.size()) return 0.0;
Chris@60 496 return (*m_controlPortsOut[output].second);
Chris@60 497 }
Chris@60 498
Chris@60 499 float
Chris@0 500 LADSPAPluginInstance::getParameterValue(unsigned int parameter) const
Chris@0 501 {
Chris@0 502 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 503 return (*m_controlPortsIn[parameter].second);
Chris@0 504 }
Chris@0 505
Chris@0 506 float
Chris@0 507 LADSPAPluginInstance::getParameterDefault(unsigned int parameter) const
Chris@0 508 {
Chris@0 509 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@0 510
Chris@0 511 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@0 512 if (f) {
Chris@0 513 return f->getPortDefault(m_descriptor, m_controlPortsIn[parameter].first);
Chris@0 514 } else {
Chris@0 515 return 0.0f;
Chris@0 516 }
Chris@0 517 }
Chris@0 518
Chris@356 519 int
Chris@356 520 LADSPAPluginInstance::getParameterDisplayHint(unsigned int parameter) const
Chris@356 521 {
Chris@356 522 if (parameter >= m_controlPortsIn.size()) return 0.0;
Chris@356 523
Chris@356 524 LADSPAPluginFactory *f = dynamic_cast<LADSPAPluginFactory *>(m_factory);
Chris@356 525 if (f) {
Chris@356 526 return f->getPortDisplayHint(m_descriptor, m_controlPortsIn[parameter].first);
Chris@356 527 } else {
Chris@356 528 return PortHint::NoHint;
Chris@356 529 }
Chris@356 530 }
Chris@356 531
Chris@0 532 void
Chris@385 533 LADSPAPluginInstance::run(const Vamp::RealTime &, size_t count)
Chris@0 534 {
Chris@0 535 if (!m_descriptor || !m_descriptor->run) return;
Chris@0 536
Chris@385 537 if (count == 0) count = m_blockSize;
Chris@385 538
Chris@0 539 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 540 hi != m_instanceHandles.end(); ++hi) {
Chris@242 541
Chris@385 542 m_descriptor->run(*hi, count);
Chris@0 543 }
Chris@0 544
Chris@0 545 m_run = true;
Chris@0 546 }
Chris@0 547
Chris@0 548 void
Chris@0 549 LADSPAPluginInstance::deactivate()
Chris@0 550 {
Chris@0 551 if (!m_descriptor || !m_descriptor->deactivate) return;
Chris@0 552
Chris@0 553 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 554 hi != m_instanceHandles.end(); ++hi) {
Chris@0 555 m_descriptor->deactivate(*hi);
Chris@0 556 }
Chris@0 557 }
Chris@0 558
Chris@0 559 void
Chris@0 560 LADSPAPluginInstance::cleanup()
Chris@0 561 {
Chris@0 562 if (!m_descriptor) return;
Chris@0 563
Chris@0 564 if (!m_descriptor->cleanup) {
Chris@0 565 std::cerr << "Bad plugin: plugin id " << m_descriptor->UniqueID
Chris@0 566 << ":" << m_descriptor->Label
Chris@0 567 << " has no cleanup method!" << std::endl;
Chris@0 568 return;
Chris@0 569 }
Chris@0 570
Chris@0 571 for (std::vector<LADSPA_Handle>::iterator hi = m_instanceHandles.begin();
Chris@0 572 hi != m_instanceHandles.end(); ++hi) {
Chris@0 573 m_descriptor->cleanup(*hi);
Chris@0 574 }
Chris@0 575
Chris@0 576 m_instanceHandles.clear();
Chris@0 577 }
Chris@0 578
Chris@0 579