annotate plugin/LADSPAPluginFactory.cpp @ 1497:900601b954f2

Fix incorrect path variable!
author Chris Cannam
date Mon, 13 Aug 2018 15:37:16 +0100
parents 5ac102155409
children 850bc66d6a70
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 and Richard Bown.
Chris@0 19 */
Chris@0 20
Chris@0 21 #include "LADSPAPluginFactory.h"
Chris@0 22 #include <iostream>
Chris@0 23
Chris@0 24 #include <QDir>
Chris@0 25 #include <QFile>
Chris@0 26 #include <QTextStream>
Chris@0 27
Chris@0 28 #include <cmath>
Chris@0 29
Chris@0 30 #include "LADSPAPluginInstance.h"
Chris@0 31 #include "PluginIdentifier.h"
Chris@0 32
Chris@150 33 #include "system/System.h"
Chris@145 34 #include "base/Preferences.h"
Chris@408 35 #include "base/Profiler.h"
Chris@0 36
Chris@260 37 //#define DEBUG_LADSPA_PLUGIN_FACTORY 1
Chris@260 38
Chris@35 39 #ifdef HAVE_LRDF
Chris@0 40 #include "lrdf.h"
Chris@35 41 #endif // HAVE_LRDF
Chris@0 42
Chris@1480 43 using std::string;
Chris@0 44
Chris@0 45 LADSPAPluginFactory::LADSPAPluginFactory()
Chris@0 46 {
Chris@166 47 #ifdef HAVE_LRDF
Chris@166 48 lrdf_init();
Chris@166 49 #endif
Chris@0 50 }
Chris@0 51
Chris@0 52 LADSPAPluginFactory::~LADSPAPluginFactory()
Chris@0 53 {
Chris@0 54 for (std::set<RealTimePluginInstance *>::iterator i = m_instances.begin();
Chris@1429 55 i != m_instances.end(); ++i) {
Chris@1429 56 (*i)->setFactory(0);
Chris@1429 57 delete *i;
Chris@0 58 }
Chris@0 59 m_instances.clear();
Chris@0 60 unloadUnusedLibraries();
Chris@166 61
Chris@166 62 #ifdef HAVE_LRDF
Chris@166 63 lrdf_cleanup();
Chris@166 64 #endif // HAVE_LRDF
Chris@0 65 }
Chris@0 66
Chris@0 67 const std::vector<QString> &
Chris@0 68 LADSPAPluginFactory::getPluginIdentifiers() const
Chris@0 69 {
Chris@0 70 return m_identifiers;
Chris@0 71 }
Chris@0 72
Chris@1464 73 QString
Chris@1464 74 LADSPAPluginFactory::getPluginLibraryPath(QString identifier)
Chris@1464 75 {
Chris@1464 76 return m_libraries[identifier];
Chris@1464 77 }
Chris@1464 78
Chris@0 79 void
Chris@0 80 LADSPAPluginFactory::enumeratePlugins(std::vector<QString> &list)
Chris@0 81 {
Chris@408 82 Profiler profiler("LADSPAPluginFactory::enumeratePlugins");
Chris@408 83
Chris@0 84 for (std::vector<QString>::iterator i = m_identifiers.begin();
Chris@1429 85 i != m_identifiers.end(); ++i) {
Chris@0 86
Chris@1429 87 const LADSPA_Descriptor *descriptor = getLADSPADescriptor(*i);
Chris@0 88
Chris@1429 89 if (!descriptor) {
Chris@1429 90 cerr << "WARNING: LADSPAPluginFactory::enumeratePlugins: couldn't get descriptor for identifier " << *i << endl;
Chris@1429 91 continue;
Chris@1429 92 }
Chris@1429 93
Chris@1429 94 list.push_back(*i);
Chris@1429 95 list.push_back(descriptor->Name);
Chris@1429 96 list.push_back(QString("%1").arg(descriptor->UniqueID));
Chris@1429 97 list.push_back(descriptor->Label);
Chris@1429 98 list.push_back(descriptor->Maker);
Chris@1429 99 list.push_back(descriptor->Copyright);
Chris@1429 100 list.push_back("false"); // is synth
Chris@1429 101 list.push_back("false"); // is grouped
Chris@165 102
Chris@1429 103 if (m_taxonomy.find(*i) != m_taxonomy.end() && m_taxonomy[*i] != "") {
Chris@1429 104 // cerr << "LADSPAPluginFactory: cat for " << *i << " found in taxonomy as " << m_taxonomy[descriptor->UniqueID] << endl;
Chris@1429 105 list.push_back(m_taxonomy[*i]);
Chris@1429 106 } else {
Chris@1429 107 list.push_back("");
Chris@1429 108 // cerr << "LADSPAPluginFactory: cat for " << *i << " not found (despite having " << m_fallbackCategories.size() << " fallbacks)" << endl;
Chris@1429 109
Chris@1429 110 }
Chris@0 111
Chris@1429 112 list.push_back(QString("%1").arg(descriptor->PortCount));
Chris@0 113
Chris@1429 114 for (int p = 0; p < (int)descriptor->PortCount; ++p) {
Chris@0 115
Chris@1429 116 int type = 0;
Chris@1429 117 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[p])) {
Chris@1429 118 type |= PortType::Control;
Chris@1429 119 } else {
Chris@1429 120 type |= PortType::Audio;
Chris@1429 121 }
Chris@1429 122 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[p])) {
Chris@1429 123 type |= PortType::Input;
Chris@1429 124 } else {
Chris@1429 125 type |= PortType::Output;
Chris@1429 126 }
Chris@0 127
Chris@1429 128 list.push_back(QString("%1").arg(p));
Chris@1429 129 list.push_back(descriptor->PortNames[p]);
Chris@1429 130 list.push_back(QString("%1").arg(type));
Chris@1429 131 list.push_back(QString("%1").arg(getPortDisplayHint(descriptor, p)));
Chris@1429 132 list.push_back(QString("%1").arg(getPortMinimum(descriptor, p)));
Chris@1429 133 list.push_back(QString("%1").arg(getPortMaximum(descriptor, p)));
Chris@1429 134 list.push_back(QString("%1").arg(getPortDefault(descriptor, p)));
Chris@1429 135 }
Chris@0 136 }
Chris@0 137
Chris@0 138 unloadUnusedLibraries();
Chris@0 139 }
Chris@1429 140
Chris@60 141 const RealTimePluginDescriptor *
Chris@60 142 LADSPAPluginFactory::getPluginDescriptor(QString identifier) const
Chris@60 143 {
Chris@60 144 std::map<QString, RealTimePluginDescriptor *>::const_iterator i =
Chris@60 145 m_rtDescriptors.find(identifier);
Chris@60 146
Chris@60 147 if (i != m_rtDescriptors.end()) {
Chris@60 148 return i->second;
Chris@60 149 }
Chris@60 150
Chris@60 151 return 0;
Chris@60 152 }
Chris@60 153
Chris@0 154 float
Chris@0 155 LADSPAPluginFactory::getPortMinimum(const LADSPA_Descriptor *descriptor, int port)
Chris@0 156 {
Chris@0 157 LADSPA_PortRangeHintDescriptor d =
Chris@1429 158 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 159
Chris@1039 160 float minimum = 0.f;
Chris@1429 161
Chris@0 162 if (LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
Chris@1429 163 float lb = descriptor->PortRangeHints[port].LowerBound;
Chris@1429 164 minimum = lb;
Chris@0 165 } else if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@1429 166 float ub = descriptor->PortRangeHints[port].UpperBound;
Chris@1429 167 minimum = std::min(0.f, ub - 1.f);
Chris@0 168 }
Chris@0 169
Chris@0 170 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@1429 171 minimum = float(minimum * m_sampleRate);
Chris@0 172 }
Chris@0 173
Chris@356 174 if (LADSPA_IS_HINT_LOGARITHMIC(d)) {
Chris@356 175 if (minimum == 0.f) minimum = 1.f;
Chris@356 176 }
Chris@356 177
Chris@0 178 return minimum;
Chris@0 179 }
Chris@0 180
Chris@0 181 float
Chris@0 182 LADSPAPluginFactory::getPortMaximum(const LADSPA_Descriptor *descriptor, int port)
Chris@0 183 {
Chris@0 184 LADSPA_PortRangeHintDescriptor d =
Chris@1429 185 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 186
Chris@1039 187 float maximum = 1.f;
Chris@0 188
Chris@0 189 if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@1429 190 float ub = descriptor->PortRangeHints[port].UpperBound;
Chris@1429 191 maximum = ub;
Chris@0 192 } else {
Chris@1429 193 float lb = descriptor->PortRangeHints[port].LowerBound;
Chris@1429 194 maximum = lb + 1.f;
Chris@0 195 }
Chris@0 196
Chris@0 197 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@1429 198 maximum = float(maximum * m_sampleRate);
Chris@0 199 }
Chris@0 200
Chris@0 201 return maximum;
Chris@0 202 }
Chris@0 203
Chris@0 204 float
Chris@0 205 LADSPAPluginFactory::getPortDefault(const LADSPA_Descriptor *descriptor, int port)
Chris@0 206 {
Chris@0 207 float minimum = getPortMinimum(descriptor, port);
Chris@0 208 float maximum = getPortMaximum(descriptor, port);
Chris@0 209 float deft;
Chris@0 210
Chris@0 211 if (m_portDefaults.find(descriptor->UniqueID) !=
Chris@1429 212 m_portDefaults.end()) {
Chris@1429 213 if (m_portDefaults[descriptor->UniqueID].find(port) !=
Chris@1429 214 m_portDefaults[descriptor->UniqueID].end()) {
Chris@0 215
Chris@1429 216 deft = m_portDefaults[descriptor->UniqueID][port];
Chris@1429 217 if (deft < minimum) deft = minimum;
Chris@1429 218 if (deft > maximum) deft = maximum;
Chris@1429 219 return deft;
Chris@1429 220 }
Chris@0 221 }
Chris@0 222
Chris@0 223 LADSPA_PortRangeHintDescriptor d =
Chris@1429 224 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 225
Chris@0 226 bool logarithmic = LADSPA_IS_HINT_LOGARITHMIC(d);
Chris@0 227
Chris@356 228 float logmin = 0, logmax = 0;
Chris@356 229 if (logarithmic) {
Chris@356 230 float thresh = powf(10, -10);
Chris@356 231 if (minimum < thresh) logmin = -10;
Chris@356 232 else logmin = log10f(minimum);
Chris@356 233 if (maximum < thresh) logmax = -10;
Chris@356 234 else logmax = log10f(maximum);
Chris@356 235 }
Chris@356 236
Chris@690 237 // SVDEBUG << "LADSPAPluginFactory::getPortDefault: hint = " << d << endl;
Chris@356 238
Chris@0 239 if (!LADSPA_IS_HINT_HAS_DEFAULT(d)) {
Chris@1429 240
Chris@1429 241 deft = minimum;
Chris@1429 242
Chris@0 243 } else if (LADSPA_IS_HINT_DEFAULT_MINIMUM(d)) {
Chris@1429 244
Chris@1429 245 deft = minimum;
Chris@1429 246
Chris@0 247 } else if (LADSPA_IS_HINT_DEFAULT_LOW(d)) {
Chris@1429 248
Chris@1429 249 if (logarithmic) {
Chris@1429 250 deft = powf(10, logmin * 0.75f + logmax * 0.25f);
Chris@1429 251 } else {
Chris@1429 252 deft = minimum * 0.75f + maximum * 0.25f;
Chris@1429 253 }
Chris@1429 254
Chris@0 255 } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(d)) {
Chris@1429 256
Chris@1429 257 if (logarithmic) {
Chris@1429 258 deft = powf(10, logmin * 0.5f + logmax * 0.5f);
Chris@1429 259 } else {
Chris@1429 260 deft = minimum * 0.5f + maximum * 0.5f;
Chris@1429 261 }
Chris@1429 262
Chris@0 263 } else if (LADSPA_IS_HINT_DEFAULT_HIGH(d)) {
Chris@1429 264
Chris@1429 265 if (logarithmic) {
Chris@1429 266 deft = powf(10, logmin * 0.25f + logmax * 0.75f);
Chris@1429 267 } else {
Chris@1429 268 deft = minimum * 0.25f + maximum * 0.75f;
Chris@1429 269 }
Chris@1429 270
Chris@0 271 } else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(d)) {
Chris@1429 272
Chris@1429 273 deft = maximum;
Chris@1429 274
Chris@0 275 } else if (LADSPA_IS_HINT_DEFAULT_0(d)) {
Chris@1429 276
Chris@1429 277 deft = 0.0;
Chris@1429 278
Chris@0 279 } else if (LADSPA_IS_HINT_DEFAULT_1(d)) {
Chris@1429 280
Chris@1429 281 deft = 1.0;
Chris@1429 282
Chris@0 283 } else if (LADSPA_IS_HINT_DEFAULT_100(d)) {
Chris@1429 284
Chris@1429 285 deft = 100.0;
Chris@1429 286
Chris@0 287 } else if (LADSPA_IS_HINT_DEFAULT_440(d)) {
Chris@1429 288
Chris@1429 289 // deft = 440.0;
Chris@1039 290 deft = (float)Preferences::getInstance()->getTuningFrequency();
Chris@1429 291
Chris@0 292 } else {
Chris@1429 293
Chris@1429 294 deft = minimum;
Chris@0 295 }
Chris@356 296
Chris@356 297 //!!! No -- the min and max have already been multiplied by the rate,
Chris@356 298 //so it would happen twice if we did it here -- and e.g. DEFAULT_440
Chris@356 299 //doesn't want to be multiplied by the rate either
Chris@0 300
Chris@356 301 // if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@1429 302 // deft *= m_sampleRate;
Chris@356 303 // }
Chris@0 304
Chris@0 305 return deft;
Chris@0 306 }
Chris@0 307
Chris@57 308 float
Chris@57 309 LADSPAPluginFactory::getPortQuantization(const LADSPA_Descriptor *descriptor, int port)
Chris@57 310 {
Chris@57 311 int displayHint = getPortDisplayHint(descriptor, port);
Chris@57 312 if (displayHint & PortHint::Toggled) {
Chris@1039 313 return float(lrintf(getPortMaximum(descriptor, port)) -
Chris@1039 314 lrintf(getPortMinimum(descriptor, port)));
Chris@57 315 }
Chris@57 316 if (displayHint & PortHint::Integer) {
Chris@57 317 return 1.0;
Chris@57 318 }
Chris@57 319 return 0.0;
Chris@57 320 }
Chris@57 321
Chris@0 322 int
Chris@0 323 LADSPAPluginFactory::getPortDisplayHint(const LADSPA_Descriptor *descriptor, int port)
Chris@0 324 {
Chris@0 325 LADSPA_PortRangeHintDescriptor d =
Chris@1429 326 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 327 int hint = PortHint::NoHint;
Chris@0 328
Chris@0 329 if (LADSPA_IS_HINT_TOGGLED(d)) hint |= PortHint::Toggled;
Chris@0 330 if (LADSPA_IS_HINT_INTEGER(d)) hint |= PortHint::Integer;
Chris@0 331 if (LADSPA_IS_HINT_LOGARITHMIC(d)) hint |= PortHint::Logarithmic;
Chris@0 332
Chris@0 333 return hint;
Chris@0 334 }
Chris@0 335
Chris@0 336
Chris@0 337 RealTimePluginInstance *
Chris@0 338 LADSPAPluginFactory::instantiatePlugin(QString identifier,
Chris@1429 339 int instrument,
Chris@1429 340 int position,
Chris@1429 341 sv_samplerate_t sampleRate,
Chris@1429 342 int blockSize,
Chris@1429 343 int channels)
Chris@0 344 {
Chris@408 345 Profiler profiler("LADSPAPluginFactory::instantiatePlugin");
Chris@408 346
Chris@0 347 const LADSPA_Descriptor *descriptor = getLADSPADescriptor(identifier);
Chris@0 348
Chris@0 349 if (descriptor) {
Chris@0 350
Chris@1429 351 LADSPAPluginInstance *instance =
Chris@1429 352 new LADSPAPluginInstance
Chris@1429 353 (this, instrument, identifier, position, sampleRate, blockSize, channels,
Chris@1429 354 descriptor);
Chris@0 355
Chris@1429 356 m_instances.insert(instance);
Chris@0 357
Chris@260 358 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@690 359 SVDEBUG << "LADSPAPluginFactory::instantiatePlugin("
Chris@687 360 << identifier << ": now have " << m_instances.size() << " instances" << endl;
Chris@260 361 #endif
Chris@78 362
Chris@1429 363 return instance;
Chris@0 364 }
Chris@0 365
Chris@0 366 return 0;
Chris@0 367 }
Chris@0 368
Chris@0 369 void
Chris@0 370 LADSPAPluginFactory::releasePlugin(RealTimePluginInstance *instance,
Chris@1429 371 QString identifier)
Chris@0 372 {
Chris@408 373 Profiler profiler("LADSPAPluginFactory::releasePlugin");
Chris@408 374
Chris@0 375 if (m_instances.find(instance) == m_instances.end()) {
Chris@1429 376 cerr << "WARNING: LADSPAPluginFactory::releasePlugin: Not one of mine!"
Chris@1429 377 << endl;
Chris@1429 378 return;
Chris@0 379 }
Chris@0 380
Chris@0 381 QString type, soname, label;
Chris@0 382 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 383
Chris@0 384 m_instances.erase(instance);
Chris@0 385
Chris@0 386 bool stillInUse = false;
Chris@0 387
Chris@0 388 for (std::set<RealTimePluginInstance *>::iterator ii = m_instances.begin();
Chris@1429 389 ii != m_instances.end(); ++ii) {
Chris@1429 390 QString itype, isoname, ilabel;
Chris@1429 391 PluginIdentifier::parseIdentifier((*ii)->getPluginIdentifier(), itype, isoname, ilabel);
Chris@1429 392 if (isoname == soname) {
Chris@260 393 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@1429 394 SVDEBUG << "LADSPAPluginFactory::releasePlugin: dll " << soname << " is still in use for plugin " << ilabel << endl;
Chris@260 395 #endif
Chris@1429 396 stillInUse = true;
Chris@1429 397 break;
Chris@1429 398 }
Chris@0 399 }
Chris@0 400
Chris@0 401 if (!stillInUse) {
Chris@118 402 if (soname != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@260 403 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@690 404 SVDEBUG << "LADSPAPluginFactory::releasePlugin: dll " << soname << " no longer in use, unloading" << endl;
Chris@260 405 #endif
Chris@118 406 unloadLibrary(soname);
Chris@118 407 }
Chris@0 408 }
Chris@78 409
Chris@260 410 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@690 411 SVDEBUG << "LADSPAPluginFactory::releasePlugin("
Chris@687 412 << identifier << ": now have " << m_instances.size() << " instances" << endl;
Chris@260 413 #endif
Chris@0 414 }
Chris@0 415
Chris@0 416 const LADSPA_Descriptor *
Chris@0 417 LADSPAPluginFactory::getLADSPADescriptor(QString identifier)
Chris@0 418 {
Chris@0 419 QString type, soname, label;
Chris@0 420 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 421
Chris@0 422 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@1429 423 loadLibrary(soname);
Chris@1429 424 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@1429 425 cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: loadLibrary failed for " << soname << endl;
Chris@1429 426 return 0;
Chris@1429 427 }
Chris@0 428 }
Chris@0 429
Chris@0 430 void *libraryHandle = m_libraryHandles[soname];
Chris@0 431
Chris@0 432 LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
Chris@1429 433 DLSYM(libraryHandle, "ladspa_descriptor");
Chris@0 434
Chris@0 435 if (!fn) {
Chris@1429 436 cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No descriptor function in library " << soname << endl;
Chris@1429 437 return 0;
Chris@0 438 }
Chris@0 439
Chris@0 440 const LADSPA_Descriptor *descriptor = 0;
Chris@0 441
Chris@0 442 int index = 0;
Chris@0 443 while ((descriptor = fn(index))) {
Chris@1429 444 if (descriptor->Label == label) return descriptor;
Chris@1429 445 ++index;
Chris@0 446 }
Chris@0 447
Chris@843 448 cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No such plugin as " << label << " in library " << soname << endl;
Chris@0 449
Chris@0 450 return 0;
Chris@0 451 }
Chris@0 452
Chris@0 453 void
Chris@0 454 LADSPAPluginFactory::loadLibrary(QString soName)
Chris@0 455 {
Chris@0 456 void *libraryHandle = DLOPEN(soName, RTLD_NOW);
Chris@106 457 if (libraryHandle) {
Chris@106 458 m_libraryHandles[soName] = libraryHandle;
Chris@690 459 SVDEBUG << "LADSPAPluginFactory::loadLibrary: Loaded library \"" << soName << "\"" << endl;
Chris@106 460 return;
Chris@106 461 }
Chris@106 462
Chris@106 463 if (QFileInfo(soName).exists()) {
Chris@106 464 DLERROR();
Chris@843 465 cerr << "LADSPAPluginFactory::loadLibrary: Library \"" << soName << "\" exists, but failed to load it" << endl;
Chris@106 466 return;
Chris@106 467 }
Chris@106 468
Chris@106 469 std::vector<QString> pathList = getPluginPath();
Chris@106 470
Chris@106 471 QString fileName = QFile(soName).fileName();
Chris@106 472 QString base = QFileInfo(soName).baseName();
Chris@106 473
Chris@106 474 for (std::vector<QString>::iterator i = pathList.begin();
Chris@1429 475 i != pathList.end(); ++i) {
Chris@106 476
Chris@260 477 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@690 478 SVDEBUG << "Looking at: " << (*i) << endl;
Chris@260 479 #endif
Chris@106 480
Chris@106 481 QDir dir(*i, PLUGIN_GLOB,
Chris@106 482 QDir::Name | QDir::IgnoreCase,
Chris@106 483 QDir::Files | QDir::Readable);
Chris@106 484
Chris@106 485 if (QFileInfo(dir.filePath(fileName)).exists()) {
Chris@260 486 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@843 487 cerr << "Loading: " << fileName << endl;
Chris@260 488 #endif
Chris@106 489 libraryHandle = DLOPEN(dir.filePath(fileName), RTLD_NOW);
Chris@166 490 if (libraryHandle) {
Chris@166 491 m_libraryHandles[soName] = libraryHandle;
Chris@166 492 return;
Chris@166 493 }
Chris@106 494 }
Chris@106 495
Chris@1429 496 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@106 497 QString file = dir.filePath(dir[j]);
Chris@106 498 if (QFileInfo(file).baseName() == base) {
Chris@260 499 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@843 500 cerr << "Loading: " << file << endl;
Chris@260 501 #endif
Chris@106 502 libraryHandle = DLOPEN(file, RTLD_NOW);
Chris@166 503 if (libraryHandle) {
Chris@166 504 m_libraryHandles[soName] = libraryHandle;
Chris@166 505 return;
Chris@166 506 }
Chris@106 507 }
Chris@106 508 }
Chris@106 509 }
Chris@106 510
Chris@843 511 cerr << "LADSPAPluginFactory::loadLibrary: Failed to locate plugin library \"" << soName << "\"" << endl;
Chris@0 512 }
Chris@0 513
Chris@0 514 void
Chris@0 515 LADSPAPluginFactory::unloadLibrary(QString soName)
Chris@0 516 {
Chris@0 517 LibraryHandleMap::iterator li = m_libraryHandles.find(soName);
Chris@0 518 if (li != m_libraryHandles.end()) {
Chris@1429 519 // SVDEBUG << "unloading " << soname << endl;
Chris@1429 520 DLCLOSE(m_libraryHandles[soName]);
Chris@1429 521 m_libraryHandles.erase(li);
Chris@0 522 }
Chris@0 523 }
Chris@0 524
Chris@0 525 void
Chris@0 526 LADSPAPluginFactory::unloadUnusedLibraries()
Chris@0 527 {
Chris@0 528 std::vector<QString> toUnload;
Chris@0 529
Chris@0 530 for (LibraryHandleMap::iterator i = m_libraryHandles.begin();
Chris@1429 531 i != m_libraryHandles.end(); ++i) {
Chris@0 532
Chris@1429 533 bool stillInUse = false;
Chris@0 534
Chris@1429 535 for (std::set<RealTimePluginInstance *>::iterator ii = m_instances.begin();
Chris@1429 536 ii != m_instances.end(); ++ii) {
Chris@0 537
Chris@1429 538 QString itype, isoname, ilabel;
Chris@1429 539 PluginIdentifier::parseIdentifier((*ii)->getPluginIdentifier(), itype, isoname, ilabel);
Chris@1429 540 if (isoname == i->first) {
Chris@1429 541 stillInUse = true;
Chris@1429 542 break;
Chris@1429 543 }
Chris@1429 544 }
Chris@0 545
Chris@1429 546 if (!stillInUse) toUnload.push_back(i->first);
Chris@0 547 }
Chris@0 548
Chris@0 549 for (std::vector<QString>::iterator i = toUnload.begin();
Chris@1429 550 i != toUnload.end(); ++i) {
Chris@118 551 if (*i != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@118 552 unloadLibrary(*i);
Chris@118 553 }
Chris@0 554 }
Chris@0 555 }
Chris@0 556
Chris@0 557
Chris@0 558 // It is only later, after they've gone,
Chris@0 559 // I realize they have delivered a letter.
Chris@0 560 // It's a letter from my wife. "What are you doing
Chris@0 561 // there?" my wife asks. "Are you drinking?"
Chris@0 562 // I study the postmark for hours. Then it, too, begins to fade.
Chris@0 563 // I hope someday to forget all this.
Chris@0 564
Chris@0 565
Chris@0 566 std::vector<QString>
Chris@0 567 LADSPAPluginFactory::getPluginPath()
Chris@0 568 {
Chris@0 569 std::vector<QString> pathList;
Chris@1480 570 string path;
Chris@0 571
Chris@1497 572 (void)getEnvUtf8("LADSPA_PATH", path);
Chris@0 573
Chris@0 574 if (path == "") {
Chris@186 575
Chris@186 576 path = DEFAULT_LADSPA_PATH;
Chris@186 577
Chris@1480 578 string home;
Chris@1480 579 if (getEnvUtf8("HOME", home)) {
Chris@1480 580 string::size_type f;
Chris@1480 581 while ((f = path.find("$HOME")) != string::npos &&
Chris@186 582 f < path.length()) {
Chris@186 583 path.replace(f, 5, home);
Chris@186 584 }
Chris@186 585 }
Chris@186 586
Chris@186 587 #ifdef _WIN32
Chris@1480 588 string pfiles;
Chris@1480 589 if (!getEnvUtf8("ProgramFiles", pfiles)) {
Chris@1480 590 pfiles = "C:\\Program Files";
Chris@1480 591 }
Chris@1480 592
Chris@1480 593 string::size_type f;
Chris@1480 594 while ((f = path.find("%ProgramFiles%")) != string::npos &&
Chris@186 595 f < path.length()) {
Chris@186 596 path.replace(f, 14, pfiles);
Chris@186 597 }
Chris@186 598 #endif
Chris@0 599 }
Chris@0 600
Chris@1480 601 string::size_type index = 0, newindex = 0;
Chris@0 602
Chris@223 603 while ((newindex = path.find(PATH_SEPARATOR, index)) < path.size()) {
Chris@1429 604 pathList.push_back(path.substr(index, newindex - index).c_str());
Chris@1429 605 index = newindex + 1;
Chris@0 606 }
Chris@0 607
Chris@0 608 pathList.push_back(path.substr(index).c_str());
Chris@0 609
Chris@0 610 return pathList;
Chris@0 611 }
Chris@0 612
Chris@0 613
Chris@0 614 std::vector<QString>
Chris@0 615 LADSPAPluginFactory::getLRDFPath(QString &baseUri)
Chris@0 616 {
Chris@150 617 std::vector<QString> lrdfPaths;
Chris@150 618
Chris@150 619 #ifdef HAVE_LRDF
Chris@0 620 std::vector<QString> pathList = getPluginPath();
Chris@0 621
Chris@0 622 lrdfPaths.push_back("/usr/local/share/ladspa/rdf");
Chris@0 623 lrdfPaths.push_back("/usr/share/ladspa/rdf");
Chris@0 624
Chris@0 625 for (std::vector<QString>::iterator i = pathList.begin();
Chris@1429 626 i != pathList.end(); ++i) {
Chris@1429 627 lrdfPaths.push_back(*i + "/rdf");
Chris@0 628 }
Chris@0 629
Chris@0 630 baseUri = LADSPA_BASE;
Chris@953 631 #else
Chris@953 632 baseUri = "";
Chris@150 633 #endif
Chris@150 634
Chris@0 635 return lrdfPaths;
Chris@0 636 }
Chris@0 637
Chris@0 638 void
Chris@0 639 LADSPAPluginFactory::discoverPlugins()
Chris@0 640 {
Chris@408 641 Profiler profiler("LADSPAPluginFactory::discoverPlugins");
Chris@408 642
Chris@0 643 std::vector<QString> pathList = getPluginPath();
Chris@0 644
Chris@690 645 // SVDEBUG << "LADSPAPluginFactory::discoverPlugins - "
Chris@1429 646 // << "discovering plugins; path is ";
Chris@259 647 // for (std::vector<QString>::iterator i = pathList.begin();
Chris@1429 648 // i != pathList.end(); ++i) {
Chris@1429 649 // SVDEBUG << "[" << i-<< "] ";
Chris@259 650 // }
Chris@690 651 // SVDEBUG << endl;
Chris@0 652
Chris@35 653 #ifdef HAVE_LRDF
Chris@166 654 // read the description files
Chris@0 655 //
Chris@0 656 QString baseUri;
Chris@0 657 std::vector<QString> lrdfPaths = getLRDFPath(baseUri);
Chris@0 658
Chris@0 659 bool haveSomething = false;
Chris@0 660
Chris@0 661 for (size_t i = 0; i < lrdfPaths.size(); ++i) {
Chris@1429 662 QDir dir(lrdfPaths[i], "*.rdf;*.rdfs");
Chris@1429 663 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@1429 664 if (!lrdf_read_file(QString("file:" + lrdfPaths[i] + "/" + dir[j]).toStdString().c_str())) {
Chris@1429 665 // cerr << "LADSPAPluginFactory: read RDF file " << (lrdfPaths[i] + "/" + dir[j]) << endl;
Chris@1429 666 haveSomething = true;
Chris@1429 667 }
Chris@1429 668 }
Chris@0 669 }
Chris@0 670
Chris@0 671 if (haveSomething) {
Chris@1429 672 generateTaxonomy(baseUri + "Plugin", "");
Chris@0 673 }
Chris@35 674 #endif // HAVE_LRDF
Chris@0 675
Chris@0 676 generateFallbackCategories();
Chris@0 677
Chris@1246 678 auto candidates =
Chris@1179 679 PluginScan::getInstance()->getCandidateLibrariesFor(getPluginType());
Chris@0 680
Chris@1246 681 for (auto c: candidates) {
Chris@1246 682 discoverPluginsFrom(c.libraryPath);
Chris@0 683 }
Chris@0 684 }
Chris@0 685
Chris@0 686 void
Chris@929 687 LADSPAPluginFactory::discoverPluginsFrom(QString soname)
Chris@0 688 {
Chris@0 689 void *libraryHandle = DLOPEN(soname, RTLD_LAZY);
Chris@0 690
Chris@0 691 if (!libraryHandle) {
Chris@843 692 cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: couldn't load plugin library "
Chris@843 693 << soname << " - " << DLERROR() << endl;
Chris@0 694 return;
Chris@0 695 }
Chris@0 696
Chris@0 697 LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
Chris@1429 698 DLSYM(libraryHandle, "ladspa_descriptor");
Chris@0 699
Chris@0 700 if (!fn) {
Chris@1429 701 cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: No descriptor function in " << soname << endl;
Chris@1429 702 return;
Chris@0 703 }
Chris@0 704
Chris@0 705 const LADSPA_Descriptor *descriptor = 0;
Chris@0 706
Chris@0 707 int index = 0;
Chris@0 708 while ((descriptor = fn(index))) {
Chris@0 709
Chris@60 710 RealTimePluginDescriptor *rtd = new RealTimePluginDescriptor;
Chris@60 711 rtd->name = descriptor->Name;
Chris@60 712 rtd->label = descriptor->Label;
Chris@60 713 rtd->maker = descriptor->Maker;
Chris@60 714 rtd->copyright = descriptor->Copyright;
Chris@60 715 rtd->category = "";
Chris@60 716 rtd->isSynth = false;
Chris@60 717 rtd->parameterCount = 0;
Chris@60 718 rtd->audioInputPortCount = 0;
Chris@166 719 rtd->audioOutputPortCount = 0;
Chris@60 720 rtd->controlOutputPortCount = 0;
Chris@60 721
Chris@1429 722 QString identifier = PluginIdentifier::createIdentifier
Chris@1429 723 ("ladspa", soname, descriptor->Label);
Chris@165 724
Chris@35 725 #ifdef HAVE_LRDF
Chris@1429 726 char *def_uri = 0;
Chris@1429 727 lrdf_defaults *defs = 0;
Chris@1429 728
Chris@165 729 if (m_lrdfTaxonomy[descriptor->UniqueID] != "") {
Chris@165 730 m_taxonomy[identifier] = m_lrdfTaxonomy[descriptor->UniqueID];
Chris@843 731 // cerr << "set id \"" << identifier << "\" to cat \"" << m_taxonomy[identifier] << "\" from LRDF" << endl;
Chris@843 732 // cout << identifier << "::" << m_taxonomy[identifier] << endl;
Chris@165 733 }
Chris@165 734
Chris@1429 735 QString category = m_taxonomy[identifier];
Chris@1429 736
Chris@1429 737 if (category == "") {
Chris@1480 738 string name = rtd->name;
Chris@1429 739 if (name.length() > 4 &&
Chris@1429 740 name.substr(name.length() - 4) == " VST") {
Chris@1429 741 category = "VST effects";
Chris@1429 742 m_taxonomy[identifier] = category;
Chris@1429 743 }
Chris@1429 744 }
Chris@1429 745
Chris@60 746 rtd->category = category.toStdString();
Chris@60 747
Chris@1429 748 // cerr << "Plugin id is " << descriptor->UniqueID
Chris@1429 749 // << ", category is \"" << (category ? category : QString("(none)"))
Chris@1429 750 // << "\", name is " << descriptor->Name
Chris@1429 751 // << ", label is " << descriptor->Label
Chris@1429 752 // << endl;
Chris@1429 753
Chris@1429 754 def_uri = lrdf_get_default_uri(descriptor->UniqueID);
Chris@1429 755 if (def_uri) {
Chris@1429 756 defs = lrdf_get_setting_values(def_uri);
Chris@1429 757 }
Chris@0 758
Chris@1429 759 unsigned int controlPortNumber = 1;
Chris@1429 760
Chris@1429 761 for (int i = 0; i < (int)descriptor->PortCount; i++) {
Chris@1429 762
Chris@1429 763 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
Chris@1429 764
Chris@1429 765 if (def_uri && defs) {
Chris@1429 766
Chris@1429 767 for (unsigned int j = 0; j < defs->count; j++) {
Chris@1429 768 if (defs->items[j].pid == controlPortNumber) {
Chris@1429 769 // cerr << "Default for this port (" << defs->items[j].pid << ", " << defs->items[j].label << ") is " << defs->items[j].value << "; applying this to port number " << i << " with name " << descriptor->PortNames[i] << endl;
Chris@1429 770 m_portDefaults[descriptor->UniqueID][i] =
Chris@1429 771 defs->items[j].value;
Chris@1429 772 }
Chris@1429 773 }
Chris@1429 774 }
Chris@1429 775
Chris@1429 776 ++controlPortNumber;
Chris@1429 777 }
Chris@1429 778 }
Chris@35 779 #endif // HAVE_LRDF
Chris@0 780
Chris@1429 781 for (int i = 0; i < (int)descriptor->PortCount; i++) {
Chris@1429 782 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
Chris@60 783 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@60 784 ++rtd->parameterCount;
Chris@60 785 } else {
Chris@60 786 if (strcmp(descriptor->PortNames[i], "latency") &&
Chris@60 787 strcmp(descriptor->PortNames[i], "_latency")) {
Chris@60 788 ++rtd->controlOutputPortCount;
Chris@60 789 rtd->controlOutputPortNames.push_back
Chris@60 790 (descriptor->PortNames[i]);
Chris@60 791 }
Chris@60 792 }
Chris@60 793 } else {
Chris@60 794 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@60 795 ++rtd->audioInputPortCount;
Chris@166 796 } else if (LADSPA_IS_PORT_OUTPUT(descriptor->PortDescriptors[i])) {
Chris@166 797 ++rtd->audioOutputPortCount;
Chris@60 798 }
Chris@60 799 }
Chris@60 800 }
Chris@60 801
Chris@1429 802 m_identifiers.push_back(identifier);
Chris@0 803
Chris@1464 804 m_libraries[identifier] = soname;
Chris@1464 805
Chris@60 806 m_rtDescriptors[identifier] = rtd;
Chris@60 807
Chris@1429 808 ++index;
Chris@0 809 }
Chris@0 810
Chris@0 811 if (DLCLOSE(libraryHandle) != 0) {
Chris@843 812 cerr << "WARNING: LADSPAPluginFactory::discoverPlugins - can't unload " << libraryHandle << endl;
Chris@0 813 return;
Chris@0 814 }
Chris@0 815 }
Chris@0 816
Chris@0 817 void
Chris@0 818 LADSPAPluginFactory::generateFallbackCategories()
Chris@0 819 {
Chris@0 820 std::vector<QString> pluginPath = getPluginPath();
Chris@0 821 std::vector<QString> path;
Chris@0 822
Chris@0 823 for (size_t i = 0; i < pluginPath.size(); ++i) {
Chris@1429 824 if (pluginPath[i].contains("/lib/")) {
Chris@1429 825 QString p(pluginPath[i]);
Chris@165 826 path.push_back(p);
Chris@1429 827 p.replace("/lib/", "/share/");
Chris@1429 828 path.push_back(p);
Chris@1429 829 // SVDEBUG << "LADSPAPluginFactory::generateFallbackCategories: path element " << p << endl;
Chris@1429 830 }
Chris@1429 831 path.push_back(pluginPath[i]);
Chris@1429 832 // SVDEBUG << "LADSPAPluginFactory::generateFallbackCategories: path element " << pluginPath[i] << endl;
Chris@0 833 }
Chris@0 834
Chris@0 835 for (size_t i = 0; i < path.size(); ++i) {
Chris@0 836
Chris@1429 837 QDir dir(path[i], "*.cat");
Chris@0 838
Chris@1429 839 // SVDEBUG << "LADSPAPluginFactory::generateFallbackCategories: directory " << path[i] << " has " << dir.count() << " .cat files" << endl;
Chris@1429 840 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@0 841
Chris@1429 842 QFile file(path[i] + "/" + dir[j]);
Chris@0 843
Chris@1429 844 // SVDEBUG << "LADSPAPluginFactory::generateFallbackCategories: about to open " << (path[i]+ "/" + dir[j]) << endl;
Chris@0 845
Chris@1429 846 if (file.open(QIODevice::ReadOnly)) {
Chris@1429 847 // cerr << "...opened" << endl;
Chris@1429 848 QTextStream stream(&file);
Chris@1429 849 QString line;
Chris@0 850
Chris@1429 851 while (!stream.atEnd()) {
Chris@1429 852 line = stream.readLine();
Chris@1429 853 // cerr << "line is: \"" << line << "\"" << endl;
Chris@1429 854 QString id = PluginIdentifier::canonicalise
Chris@165 855 (line.section("::", 0, 0));
Chris@1429 856 QString cat = line.section("::", 1, 1);
Chris@1429 857 m_taxonomy[id] = cat;
Chris@1429 858 // cerr << "set id \"" << id << "\" to cat \"" << cat << "\"" << endl;
Chris@1429 859 }
Chris@1429 860 }
Chris@1429 861 }
Chris@0 862 }
Chris@0 863 }
Chris@0 864
Chris@0 865 void
Chris@0 866 LADSPAPluginFactory::generateTaxonomy(QString uri, QString base)
Chris@0 867 {
Chris@35 868 #ifdef HAVE_LRDF
Chris@0 869 lrdf_uris *uris = lrdf_get_instances(uri.toStdString().c_str());
Chris@0 870
Chris@0 871 if (uris != NULL) {
Chris@1429 872 for (unsigned int i = 0; i < uris->count; ++i) {
Chris@1429 873 m_lrdfTaxonomy[lrdf_get_uid(uris->items[i])] = base;
Chris@1429 874 }
Chris@1429 875 lrdf_free_uris(uris);
Chris@0 876 }
Chris@0 877
Chris@0 878 uris = lrdf_get_subclasses(uri.toStdString().c_str());
Chris@0 879
Chris@0 880 if (uris != NULL) {
Chris@1429 881 for (unsigned int i = 0; i < uris->count; ++i) {
Chris@1429 882 char *label = lrdf_get_label(uris->items[i]);
Chris@1429 883 generateTaxonomy(uris->items[i],
Chris@1429 884 base + (base.length() > 0 ? " > " : "") + label);
Chris@1429 885 }
Chris@1429 886 lrdf_free_uris(uris);
Chris@0 887 }
Chris@953 888 #else
Chris@953 889 // avoid unused parameter
Chris@953 890 (void)uri;
Chris@953 891 (void)base;
Chris@0 892 #endif
Chris@0 893 }
Chris@0 894
Chris@165 895 QString
Chris@165 896 LADSPAPluginFactory::getPluginCategory(QString identifier)
Chris@165 897 {
Chris@165 898 return m_taxonomy[identifier];
Chris@165 899 }
Chris@0 900