annotate plugin/LADSPAPluginFactory.cpp @ 220:e08cb0158e81

...
author Chris Cannam
date Thu, 25 Jan 2007 15:26:15 +0000
parents 4882563bd2b3
children bf753a9abf0c
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@0 35
Chris@35 36 #ifdef HAVE_LRDF
Chris@0 37 #include "lrdf.h"
Chris@35 38 #endif // HAVE_LRDF
Chris@0 39
Chris@0 40
Chris@0 41 LADSPAPluginFactory::LADSPAPluginFactory()
Chris@0 42 {
Chris@166 43 #ifdef HAVE_LRDF
Chris@166 44 lrdf_init();
Chris@166 45 #endif
Chris@0 46 }
Chris@0 47
Chris@0 48 LADSPAPluginFactory::~LADSPAPluginFactory()
Chris@0 49 {
Chris@0 50 for (std::set<RealTimePluginInstance *>::iterator i = m_instances.begin();
Chris@0 51 i != m_instances.end(); ++i) {
Chris@0 52 (*i)->setFactory(0);
Chris@0 53 delete *i;
Chris@0 54 }
Chris@0 55 m_instances.clear();
Chris@0 56 unloadUnusedLibraries();
Chris@166 57
Chris@166 58 #ifdef HAVE_LRDF
Chris@166 59 lrdf_cleanup();
Chris@166 60 #endif // HAVE_LRDF
Chris@0 61 }
Chris@0 62
Chris@0 63 const std::vector<QString> &
Chris@0 64 LADSPAPluginFactory::getPluginIdentifiers() const
Chris@0 65 {
Chris@0 66 return m_identifiers;
Chris@0 67 }
Chris@0 68
Chris@0 69 void
Chris@0 70 LADSPAPluginFactory::enumeratePlugins(std::vector<QString> &list)
Chris@0 71 {
Chris@0 72 for (std::vector<QString>::iterator i = m_identifiers.begin();
Chris@0 73 i != m_identifiers.end(); ++i) {
Chris@0 74
Chris@0 75 const LADSPA_Descriptor *descriptor = getLADSPADescriptor(*i);
Chris@0 76
Chris@0 77 if (!descriptor) {
Chris@0 78 std::cerr << "WARNING: LADSPAPluginFactory::enumeratePlugins: couldn't get descriptor for identifier " << i->toStdString() << std::endl;
Chris@0 79 continue;
Chris@0 80 }
Chris@0 81
Chris@0 82 list.push_back(*i);
Chris@0 83 list.push_back(descriptor->Name);
Chris@0 84 list.push_back(QString("%1").arg(descriptor->UniqueID));
Chris@0 85 list.push_back(descriptor->Label);
Chris@0 86 list.push_back(descriptor->Maker);
Chris@0 87 list.push_back(descriptor->Copyright);
Chris@0 88 list.push_back("false"); // is synth
Chris@0 89 list.push_back("false"); // is grouped
Chris@165 90
Chris@165 91 if (m_taxonomy.find(*i) != m_taxonomy.end() && m_taxonomy[*i] != "") {
Chris@0 92 // std::cerr << "LADSPAPluginFactory: cat for " << i->toStdString()<< " found in taxonomy as " << m_taxonomy[descriptor->UniqueID] << std::endl;
Chris@165 93 list.push_back(m_taxonomy[*i]);
Chris@0 94 } else {
Chris@0 95 list.push_back("");
Chris@0 96 // std::cerr << "LADSPAPluginFactory: cat for " << i->toStdString() << " not found (despite having " << m_fallbackCategories.size() << " fallbacks)" << std::endl;
Chris@0 97
Chris@0 98 }
Chris@0 99
Chris@0 100 list.push_back(QString("%1").arg(descriptor->PortCount));
Chris@0 101
Chris@0 102 for (unsigned long p = 0; p < descriptor->PortCount; ++p) {
Chris@0 103
Chris@0 104 int type = 0;
Chris@0 105 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[p])) {
Chris@0 106 type |= PortType::Control;
Chris@0 107 } else {
Chris@0 108 type |= PortType::Audio;
Chris@0 109 }
Chris@0 110 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[p])) {
Chris@0 111 type |= PortType::Input;
Chris@0 112 } else {
Chris@0 113 type |= PortType::Output;
Chris@0 114 }
Chris@0 115
Chris@0 116 list.push_back(QString("%1").arg(p));
Chris@0 117 list.push_back(descriptor->PortNames[p]);
Chris@0 118 list.push_back(QString("%1").arg(type));
Chris@0 119 list.push_back(QString("%1").arg(getPortDisplayHint(descriptor, p)));
Chris@0 120 list.push_back(QString("%1").arg(getPortMinimum(descriptor, p)));
Chris@0 121 list.push_back(QString("%1").arg(getPortMaximum(descriptor, p)));
Chris@0 122 list.push_back(QString("%1").arg(getPortDefault(descriptor, p)));
Chris@0 123 }
Chris@0 124 }
Chris@0 125
Chris@0 126 unloadUnusedLibraries();
Chris@0 127 }
Chris@0 128
Chris@60 129 const RealTimePluginDescriptor *
Chris@60 130 LADSPAPluginFactory::getPluginDescriptor(QString identifier) const
Chris@60 131 {
Chris@60 132 std::map<QString, RealTimePluginDescriptor *>::const_iterator i =
Chris@60 133 m_rtDescriptors.find(identifier);
Chris@60 134
Chris@60 135 if (i != m_rtDescriptors.end()) {
Chris@60 136 return i->second;
Chris@60 137 }
Chris@60 138
Chris@60 139 return 0;
Chris@60 140 }
Chris@60 141
Chris@0 142 float
Chris@0 143 LADSPAPluginFactory::getPortMinimum(const LADSPA_Descriptor *descriptor, int port)
Chris@0 144 {
Chris@0 145 LADSPA_PortRangeHintDescriptor d =
Chris@0 146 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 147
Chris@0 148 float minimum = 0.0;
Chris@0 149
Chris@0 150 if (LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
Chris@0 151 float lb = descriptor->PortRangeHints[port].LowerBound;
Chris@0 152 minimum = lb;
Chris@0 153 } else if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 154 float ub = descriptor->PortRangeHints[port].UpperBound;
Chris@0 155 minimum = std::min(0.0, ub - 1.0);
Chris@0 156 }
Chris@0 157
Chris@0 158 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@0 159 minimum *= m_sampleRate;
Chris@0 160 }
Chris@0 161
Chris@0 162 return minimum;
Chris@0 163 }
Chris@0 164
Chris@0 165 float
Chris@0 166 LADSPAPluginFactory::getPortMaximum(const LADSPA_Descriptor *descriptor, int port)
Chris@0 167 {
Chris@0 168 LADSPA_PortRangeHintDescriptor d =
Chris@0 169 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 170
Chris@0 171 float maximum = 1.0;
Chris@0 172
Chris@0 173 if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 174 float ub = descriptor->PortRangeHints[port].UpperBound;
Chris@0 175 maximum = ub;
Chris@0 176 } else {
Chris@0 177 float lb = descriptor->PortRangeHints[port].LowerBound;
Chris@0 178 maximum = lb + 1.0;
Chris@0 179 }
Chris@0 180
Chris@0 181 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@0 182 maximum *= m_sampleRate;
Chris@0 183 }
Chris@0 184
Chris@0 185 return maximum;
Chris@0 186 }
Chris@0 187
Chris@0 188 float
Chris@0 189 LADSPAPluginFactory::getPortDefault(const LADSPA_Descriptor *descriptor, int port)
Chris@0 190 {
Chris@0 191 float minimum = getPortMinimum(descriptor, port);
Chris@0 192 float maximum = getPortMaximum(descriptor, port);
Chris@0 193 float deft;
Chris@0 194
Chris@0 195 if (m_portDefaults.find(descriptor->UniqueID) !=
Chris@0 196 m_portDefaults.end()) {
Chris@0 197 if (m_portDefaults[descriptor->UniqueID].find(port) !=
Chris@0 198 m_portDefaults[descriptor->UniqueID].end()) {
Chris@0 199
Chris@0 200 deft = m_portDefaults[descriptor->UniqueID][port];
Chris@0 201 if (deft < minimum) deft = minimum;
Chris@0 202 if (deft > maximum) deft = maximum;
Chris@0 203 return deft;
Chris@0 204 }
Chris@0 205 }
Chris@0 206
Chris@0 207 LADSPA_PortRangeHintDescriptor d =
Chris@0 208 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 209
Chris@0 210 bool logarithmic = LADSPA_IS_HINT_LOGARITHMIC(d);
Chris@0 211
Chris@0 212 if (!LADSPA_IS_HINT_HAS_DEFAULT(d)) {
Chris@0 213
Chris@0 214 deft = minimum;
Chris@0 215
Chris@0 216 } else if (LADSPA_IS_HINT_DEFAULT_MINIMUM(d)) {
Chris@0 217
Chris@0 218 deft = minimum;
Chris@0 219
Chris@0 220 } else if (LADSPA_IS_HINT_DEFAULT_LOW(d)) {
Chris@0 221
Chris@0 222 if (logarithmic) {
Chris@0 223 deft = powf(10, log10(minimum) * 0.75 +
Chris@0 224 log10(maximum) * 0.25);
Chris@0 225 } else {
Chris@0 226 deft = minimum * 0.75 + maximum * 0.25;
Chris@0 227 }
Chris@0 228
Chris@0 229 } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(d)) {
Chris@0 230
Chris@0 231 if (logarithmic) {
Chris@0 232 deft = powf(10, log10(minimum) * 0.5 +
Chris@0 233 log10(maximum) * 0.5);
Chris@0 234 } else {
Chris@0 235 deft = minimum * 0.5 + maximum * 0.5;
Chris@0 236 }
Chris@0 237
Chris@0 238 } else if (LADSPA_IS_HINT_DEFAULT_HIGH(d)) {
Chris@0 239
Chris@0 240 if (logarithmic) {
Chris@0 241 deft = powf(10, log10(minimum) * 0.25 +
Chris@0 242 log10(maximum) * 0.75);
Chris@0 243 } else {
Chris@0 244 deft = minimum * 0.25 + maximum * 0.75;
Chris@0 245 }
Chris@0 246
Chris@0 247 } else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(d)) {
Chris@0 248
Chris@0 249 deft = maximum;
Chris@0 250
Chris@0 251 } else if (LADSPA_IS_HINT_DEFAULT_0(d)) {
Chris@0 252
Chris@0 253 deft = 0.0;
Chris@0 254
Chris@0 255 } else if (LADSPA_IS_HINT_DEFAULT_1(d)) {
Chris@0 256
Chris@0 257 deft = 1.0;
Chris@0 258
Chris@0 259 } else if (LADSPA_IS_HINT_DEFAULT_100(d)) {
Chris@0 260
Chris@0 261 deft = 100.0;
Chris@0 262
Chris@0 263 } else if (LADSPA_IS_HINT_DEFAULT_440(d)) {
Chris@0 264
Chris@145 265 // deft = 440.0;
Chris@145 266 deft = Preferences::getInstance()->getTuningFrequency();
Chris@0 267
Chris@0 268 } else {
Chris@0 269
Chris@0 270 deft = minimum;
Chris@0 271 }
Chris@0 272
Chris@0 273 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@0 274 deft *= m_sampleRate;
Chris@0 275 }
Chris@0 276
Chris@0 277 return deft;
Chris@0 278 }
Chris@0 279
Chris@57 280 float
Chris@57 281 LADSPAPluginFactory::getPortQuantization(const LADSPA_Descriptor *descriptor, int port)
Chris@57 282 {
Chris@57 283 int displayHint = getPortDisplayHint(descriptor, port);
Chris@57 284 if (displayHint & PortHint::Toggled) {
Chris@57 285 return lrintf(getPortMaximum(descriptor, port)) -
Chris@57 286 lrintf(getPortMinimum(descriptor, port));
Chris@57 287 }
Chris@57 288 if (displayHint & PortHint::Integer) {
Chris@57 289 return 1.0;
Chris@57 290 }
Chris@57 291 return 0.0;
Chris@57 292 }
Chris@57 293
Chris@0 294 int
Chris@0 295 LADSPAPluginFactory::getPortDisplayHint(const LADSPA_Descriptor *descriptor, int port)
Chris@0 296 {
Chris@0 297 LADSPA_PortRangeHintDescriptor d =
Chris@0 298 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 299 int hint = PortHint::NoHint;
Chris@0 300
Chris@0 301 if (LADSPA_IS_HINT_TOGGLED(d)) hint |= PortHint::Toggled;
Chris@0 302 if (LADSPA_IS_HINT_INTEGER(d)) hint |= PortHint::Integer;
Chris@0 303 if (LADSPA_IS_HINT_LOGARITHMIC(d)) hint |= PortHint::Logarithmic;
Chris@0 304
Chris@0 305 return hint;
Chris@0 306 }
Chris@0 307
Chris@0 308
Chris@0 309 RealTimePluginInstance *
Chris@0 310 LADSPAPluginFactory::instantiatePlugin(QString identifier,
Chris@0 311 int instrument,
Chris@0 312 int position,
Chris@0 313 unsigned int sampleRate,
Chris@0 314 unsigned int blockSize,
Chris@0 315 unsigned int channels)
Chris@0 316 {
Chris@0 317 const LADSPA_Descriptor *descriptor = getLADSPADescriptor(identifier);
Chris@0 318
Chris@0 319 if (descriptor) {
Chris@0 320
Chris@0 321 LADSPAPluginInstance *instance =
Chris@0 322 new LADSPAPluginInstance
Chris@0 323 (this, instrument, identifier, position, sampleRate, blockSize, channels,
Chris@0 324 descriptor);
Chris@0 325
Chris@0 326 m_instances.insert(instance);
Chris@0 327
Chris@78 328 std::cerr << "LADSPAPluginFactory::instantiatePlugin("
Chris@78 329 << identifier.toStdString() << ": now have " << m_instances.size() << " instances" << std::endl;
Chris@78 330
Chris@0 331 return instance;
Chris@0 332 }
Chris@0 333
Chris@0 334 return 0;
Chris@0 335 }
Chris@0 336
Chris@0 337 void
Chris@0 338 LADSPAPluginFactory::releasePlugin(RealTimePluginInstance *instance,
Chris@0 339 QString identifier)
Chris@0 340 {
Chris@0 341 if (m_instances.find(instance) == m_instances.end()) {
Chris@0 342 std::cerr << "WARNING: LADSPAPluginFactory::releasePlugin: Not one of mine!"
Chris@0 343 << std::endl;
Chris@0 344 return;
Chris@0 345 }
Chris@0 346
Chris@0 347 QString type, soname, label;
Chris@0 348 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 349
Chris@0 350 m_instances.erase(instance);
Chris@0 351
Chris@0 352 bool stillInUse = false;
Chris@0 353
Chris@0 354 for (std::set<RealTimePluginInstance *>::iterator ii = m_instances.begin();
Chris@0 355 ii != m_instances.end(); ++ii) {
Chris@0 356 QString itype, isoname, ilabel;
Chris@0 357 PluginIdentifier::parseIdentifier((*ii)->getIdentifier(), itype, isoname, ilabel);
Chris@0 358 if (isoname == soname) {
Chris@78 359 std::cerr << "LADSPAPluginFactory::releasePlugin: dll " << soname.toStdString() << " is still in use for plugin " << ilabel.toStdString() << std::endl;
Chris@0 360 stillInUse = true;
Chris@0 361 break;
Chris@0 362 }
Chris@0 363 }
Chris@0 364
Chris@0 365 if (!stillInUse) {
Chris@118 366 if (soname != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@118 367 std::cerr << "LADSPAPluginFactory::releasePlugin: dll " << soname.toStdString() << " no longer in use, unloading" << std::endl;
Chris@118 368 unloadLibrary(soname);
Chris@118 369 }
Chris@0 370 }
Chris@78 371
Chris@78 372 std::cerr << "LADSPAPluginFactory::releasePlugin("
Chris@78 373 << identifier.toStdString() << ": now have " << m_instances.size() << " instances" << std::endl;
Chris@0 374 }
Chris@0 375
Chris@0 376 const LADSPA_Descriptor *
Chris@0 377 LADSPAPluginFactory::getLADSPADescriptor(QString identifier)
Chris@0 378 {
Chris@0 379 QString type, soname, label;
Chris@0 380 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 381
Chris@0 382 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@0 383 loadLibrary(soname);
Chris@0 384 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@0 385 std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: loadLibrary failed for " << soname.toStdString() << std::endl;
Chris@0 386 return 0;
Chris@0 387 }
Chris@0 388 }
Chris@0 389
Chris@0 390 void *libraryHandle = m_libraryHandles[soname];
Chris@0 391
Chris@0 392 LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
Chris@0 393 DLSYM(libraryHandle, "ladspa_descriptor");
Chris@0 394
Chris@0 395 if (!fn) {
Chris@0 396 std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No descriptor function in library " << soname.toStdString() << std::endl;
Chris@0 397 return 0;
Chris@0 398 }
Chris@0 399
Chris@0 400 const LADSPA_Descriptor *descriptor = 0;
Chris@0 401
Chris@0 402 int index = 0;
Chris@0 403 while ((descriptor = fn(index))) {
Chris@0 404 if (descriptor->Label == label) return descriptor;
Chris@0 405 ++index;
Chris@0 406 }
Chris@0 407
Chris@0 408 std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No such plugin as " << label.toStdString() << " in library " << soname.toStdString() << std::endl;
Chris@0 409
Chris@0 410 return 0;
Chris@0 411 }
Chris@0 412
Chris@0 413 void
Chris@0 414 LADSPAPluginFactory::loadLibrary(QString soName)
Chris@0 415 {
Chris@0 416 void *libraryHandle = DLOPEN(soName, RTLD_NOW);
Chris@106 417 if (libraryHandle) {
Chris@106 418 m_libraryHandles[soName] = libraryHandle;
Chris@106 419 std::cerr << "LADSPAPluginFactory::loadLibrary: Loaded library \"" << soName.toStdString() << "\"" << std::endl;
Chris@106 420 return;
Chris@106 421 }
Chris@106 422
Chris@106 423 if (QFileInfo(soName).exists()) {
Chris@106 424 DLERROR();
Chris@106 425 std::cerr << "LADSPAPluginFactory::loadLibrary: Library \"" << soName.toStdString() << "\" exists, but failed to load it" << std::endl;
Chris@106 426 return;
Chris@106 427 }
Chris@106 428
Chris@106 429 std::vector<QString> pathList = getPluginPath();
Chris@106 430
Chris@106 431 QString fileName = QFile(soName).fileName();
Chris@106 432 QString base = QFileInfo(soName).baseName();
Chris@106 433
Chris@106 434 for (std::vector<QString>::iterator i = pathList.begin();
Chris@106 435 i != pathList.end(); ++i) {
Chris@106 436
Chris@106 437 std::cerr << "Looking at: " << (*i).toStdString() << std::endl;
Chris@106 438
Chris@106 439 QDir dir(*i, PLUGIN_GLOB,
Chris@106 440 QDir::Name | QDir::IgnoreCase,
Chris@106 441 QDir::Files | QDir::Readable);
Chris@106 442
Chris@106 443 if (QFileInfo(dir.filePath(fileName)).exists()) {
Chris@106 444 std::cerr << "Loading: " << fileName.toStdString() << std::endl;
Chris@106 445 libraryHandle = DLOPEN(dir.filePath(fileName), RTLD_NOW);
Chris@166 446 if (libraryHandle) {
Chris@166 447 m_libraryHandles[soName] = libraryHandle;
Chris@166 448 return;
Chris@166 449 }
Chris@106 450 }
Chris@106 451
Chris@106 452 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@106 453 QString file = dir.filePath(dir[j]);
Chris@106 454 if (QFileInfo(file).baseName() == base) {
Chris@106 455 std::cerr << "Loading: " << file.toStdString() << std::endl;
Chris@106 456 libraryHandle = DLOPEN(file, RTLD_NOW);
Chris@166 457 if (libraryHandle) {
Chris@166 458 m_libraryHandles[soName] = libraryHandle;
Chris@166 459 return;
Chris@166 460 }
Chris@106 461 }
Chris@106 462 }
Chris@106 463 }
Chris@106 464
Chris@106 465 std::cerr << "LADSPAPluginFactory::loadLibrary: Failed to locate plugin library \"" << soName.toStdString() << "\"" << std::endl;
Chris@0 466 }
Chris@0 467
Chris@0 468 void
Chris@0 469 LADSPAPluginFactory::unloadLibrary(QString soName)
Chris@0 470 {
Chris@0 471 LibraryHandleMap::iterator li = m_libraryHandles.find(soName);
Chris@0 472 if (li != m_libraryHandles.end()) {
Chris@0 473 // std::cerr << "unloading " << soname.toStdString() << std::endl;
Chris@0 474 DLCLOSE(m_libraryHandles[soName]);
Chris@0 475 m_libraryHandles.erase(li);
Chris@0 476 }
Chris@0 477 }
Chris@0 478
Chris@0 479 void
Chris@0 480 LADSPAPluginFactory::unloadUnusedLibraries()
Chris@0 481 {
Chris@0 482 std::vector<QString> toUnload;
Chris@0 483
Chris@0 484 for (LibraryHandleMap::iterator i = m_libraryHandles.begin();
Chris@0 485 i != m_libraryHandles.end(); ++i) {
Chris@0 486
Chris@0 487 bool stillInUse = false;
Chris@0 488
Chris@0 489 for (std::set<RealTimePluginInstance *>::iterator ii = m_instances.begin();
Chris@0 490 ii != m_instances.end(); ++ii) {
Chris@0 491
Chris@0 492 QString itype, isoname, ilabel;
Chris@0 493 PluginIdentifier::parseIdentifier((*ii)->getIdentifier(), itype, isoname, ilabel);
Chris@0 494 if (isoname == i->first) {
Chris@0 495 stillInUse = true;
Chris@0 496 break;
Chris@0 497 }
Chris@0 498 }
Chris@0 499
Chris@0 500 if (!stillInUse) toUnload.push_back(i->first);
Chris@0 501 }
Chris@0 502
Chris@0 503 for (std::vector<QString>::iterator i = toUnload.begin();
Chris@0 504 i != toUnload.end(); ++i) {
Chris@118 505 if (*i != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@118 506 unloadLibrary(*i);
Chris@118 507 }
Chris@0 508 }
Chris@0 509 }
Chris@0 510
Chris@0 511
Chris@0 512 // It is only later, after they've gone,
Chris@0 513 // I realize they have delivered a letter.
Chris@0 514 // It's a letter from my wife. "What are you doing
Chris@0 515 // there?" my wife asks. "Are you drinking?"
Chris@0 516 // I study the postmark for hours. Then it, too, begins to fade.
Chris@0 517 // I hope someday to forget all this.
Chris@0 518
Chris@0 519
Chris@0 520 std::vector<QString>
Chris@0 521 LADSPAPluginFactory::getPluginPath()
Chris@0 522 {
Chris@0 523 std::vector<QString> pathList;
Chris@0 524 std::string path;
Chris@0 525
Chris@0 526 char *cpath = getenv("LADSPA_PATH");
Chris@0 527 if (cpath) path = cpath;
Chris@0 528
Chris@0 529 if (path == "") {
Chris@186 530
Chris@186 531 path = DEFAULT_LADSPA_PATH;
Chris@186 532
Chris@0 533 char *home = getenv("HOME");
Chris@186 534 if (home) {
Chris@186 535 std::string::size_type f;
Chris@186 536 while ((f = path.find("$HOME")) != std::string::npos &&
Chris@186 537 f < path.length()) {
Chris@186 538 path.replace(f, 5, home);
Chris@186 539 }
Chris@186 540 }
Chris@186 541
Chris@186 542 #ifdef _WIN32
Chris@220 543 char *pfiles = getenv("ProgramFiles");
Chris@220 544 if (!pfiles) pfiles = "C:\\Program Files";
Chris@220 545 {
Chris@186 546 std::string::size_type f;
Chris@186 547 while ((f = path.find("%ProgramFiles%")) != std::string::npos &&
Chris@186 548 f < path.length()) {
Chris@186 549 path.replace(f, 14, pfiles);
Chris@186 550 }
Chris@220 551 }
Chris@186 552 #endif
Chris@0 553 }
Chris@0 554
Chris@0 555 std::string::size_type index = 0, newindex = 0;
Chris@0 556
Chris@0 557 while ((newindex = path.find(':', index)) < path.size()) {
Chris@0 558 pathList.push_back(path.substr(index, newindex - index).c_str());
Chris@0 559 index = newindex + 1;
Chris@0 560 }
Chris@0 561
Chris@0 562 pathList.push_back(path.substr(index).c_str());
Chris@0 563
Chris@0 564 return pathList;
Chris@0 565 }
Chris@0 566
Chris@0 567
Chris@0 568 std::vector<QString>
Chris@0 569 LADSPAPluginFactory::getLRDFPath(QString &baseUri)
Chris@0 570 {
Chris@150 571 std::vector<QString> lrdfPaths;
Chris@150 572
Chris@150 573 #ifdef HAVE_LRDF
Chris@0 574 std::vector<QString> pathList = getPluginPath();
Chris@0 575
Chris@0 576 lrdfPaths.push_back("/usr/local/share/ladspa/rdf");
Chris@0 577 lrdfPaths.push_back("/usr/share/ladspa/rdf");
Chris@0 578
Chris@0 579 for (std::vector<QString>::iterator i = pathList.begin();
Chris@0 580 i != pathList.end(); ++i) {
Chris@0 581 lrdfPaths.push_back(*i + "/rdf");
Chris@0 582 }
Chris@0 583
Chris@0 584 baseUri = LADSPA_BASE;
Chris@150 585 #endif
Chris@150 586
Chris@0 587 return lrdfPaths;
Chris@0 588 }
Chris@0 589
Chris@0 590 void
Chris@0 591 LADSPAPluginFactory::discoverPlugins()
Chris@0 592 {
Chris@0 593 std::vector<QString> pathList = getPluginPath();
Chris@0 594
Chris@0 595 // std::cerr << "LADSPAPluginFactory::discoverPlugins - "
Chris@0 596 // << "discovering plugins; path is ";
Chris@0 597 for (std::vector<QString>::iterator i = pathList.begin();
Chris@0 598 i != pathList.end(); ++i) {
Chris@0 599 std::cerr << "[" << i->toStdString() << "] ";
Chris@0 600 }
Chris@0 601 std::cerr << std::endl;
Chris@0 602
Chris@35 603 #ifdef HAVE_LRDF
Chris@166 604 // read the description files
Chris@0 605 //
Chris@0 606 QString baseUri;
Chris@0 607 std::vector<QString> lrdfPaths = getLRDFPath(baseUri);
Chris@0 608
Chris@0 609 bool haveSomething = false;
Chris@0 610
Chris@0 611 for (size_t i = 0; i < lrdfPaths.size(); ++i) {
Chris@0 612 QDir dir(lrdfPaths[i], "*.rdf;*.rdfs");
Chris@0 613 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@0 614 if (!lrdf_read_file(QString("file:" + lrdfPaths[i] + "/" + dir[j]).toStdString().c_str())) {
Chris@0 615 // std::cerr << "LADSPAPluginFactory: read RDF file " << (lrdfPaths[i] + "/" + dir[j]) << std::endl;
Chris@0 616 haveSomething = true;
Chris@0 617 }
Chris@0 618 }
Chris@0 619 }
Chris@0 620
Chris@0 621 if (haveSomething) {
Chris@0 622 generateTaxonomy(baseUri + "Plugin", "");
Chris@0 623 }
Chris@35 624 #endif // HAVE_LRDF
Chris@0 625
Chris@0 626 generateFallbackCategories();
Chris@0 627
Chris@0 628 for (std::vector<QString>::iterator i = pathList.begin();
Chris@0 629 i != pathList.end(); ++i) {
Chris@0 630
Chris@0 631 QDir pluginDir(*i, PLUGIN_GLOB);
Chris@0 632
Chris@0 633 for (unsigned int j = 0; j < pluginDir.count(); ++j) {
Chris@0 634 discoverPlugins(QString("%1/%2").arg(*i).arg(pluginDir[j]));
Chris@0 635 }
Chris@0 636 }
Chris@0 637 }
Chris@0 638
Chris@0 639 void
Chris@0 640 LADSPAPluginFactory::discoverPlugins(QString soname)
Chris@0 641 {
Chris@0 642 void *libraryHandle = DLOPEN(soname, RTLD_LAZY);
Chris@0 643
Chris@0 644 if (!libraryHandle) {
Chris@0 645 std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: couldn't load plugin library "
Chris@0 646 << soname.toStdString() << " - " << DLERROR() << std::endl;
Chris@0 647 return;
Chris@0 648 }
Chris@0 649
Chris@0 650 LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
Chris@0 651 DLSYM(libraryHandle, "ladspa_descriptor");
Chris@0 652
Chris@0 653 if (!fn) {
Chris@0 654 std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: No descriptor function in " << soname.toStdString() << std::endl;
Chris@0 655 return;
Chris@0 656 }
Chris@0 657
Chris@0 658 const LADSPA_Descriptor *descriptor = 0;
Chris@0 659
Chris@0 660 int index = 0;
Chris@0 661 while ((descriptor = fn(index))) {
Chris@0 662
Chris@60 663 RealTimePluginDescriptor *rtd = new RealTimePluginDescriptor;
Chris@60 664 rtd->name = descriptor->Name;
Chris@60 665 rtd->label = descriptor->Label;
Chris@60 666 rtd->maker = descriptor->Maker;
Chris@60 667 rtd->copyright = descriptor->Copyright;
Chris@60 668 rtd->category = "";
Chris@60 669 rtd->isSynth = false;
Chris@60 670 rtd->parameterCount = 0;
Chris@60 671 rtd->audioInputPortCount = 0;
Chris@166 672 rtd->audioOutputPortCount = 0;
Chris@60 673 rtd->controlOutputPortCount = 0;
Chris@60 674
Chris@165 675 QString identifier = PluginIdentifier::createIdentifier
Chris@165 676 ("ladspa", soname, descriptor->Label);
Chris@165 677
Chris@35 678 #ifdef HAVE_LRDF
Chris@0 679 char *def_uri = 0;
Chris@0 680 lrdf_defaults *defs = 0;
Chris@0 681
Chris@165 682 if (m_lrdfTaxonomy[descriptor->UniqueID] != "") {
Chris@165 683 m_taxonomy[identifier] = m_lrdfTaxonomy[descriptor->UniqueID];
Chris@165 684 // std::cerr << "set id \"" << identifier.toStdString() << "\" to cat \"" << m_taxonomy[identifier].toStdString() << "\" from LRDF" << std::endl;
Chris@218 685 // std::cout << identifier.toStdString() << "::" << m_taxonomy[identifier].toStdString() << std::endl;
Chris@165 686 }
Chris@165 687
Chris@165 688 QString category = m_taxonomy[identifier];
Chris@0 689
Chris@0 690 if (category == "" && descriptor->Name != 0) {
Chris@0 691 std::string name = descriptor->Name;
Chris@0 692 if (name.length() > 4 &&
Chris@0 693 name.substr(name.length() - 4) == " VST") {
Chris@0 694 category = "VST effects";
Chris@165 695 m_taxonomy[identifier] = category;
Chris@0 696 }
Chris@0 697 }
Chris@0 698
Chris@60 699 rtd->category = category.toStdString();
Chris@60 700
Chris@0 701 // std::cerr << "Plugin id is " << descriptor->UniqueID
Chris@0 702 // << ", category is \"" << (category ? category : QString("(none)"))
Chris@0 703 // << "\", name is " << descriptor->Name
Chris@0 704 // << ", label is " << descriptor->Label
Chris@0 705 // << std::endl;
Chris@0 706
Chris@0 707 def_uri = lrdf_get_default_uri(descriptor->UniqueID);
Chris@0 708 if (def_uri) {
Chris@0 709 defs = lrdf_get_setting_values(def_uri);
Chris@0 710 }
Chris@0 711
Chris@0 712 int controlPortNumber = 1;
Chris@0 713
Chris@0 714 for (unsigned long i = 0; i < descriptor->PortCount; i++) {
Chris@0 715
Chris@0 716 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
Chris@0 717
Chris@0 718 if (def_uri && defs) {
Chris@0 719
Chris@0 720 for (int j = 0; j < defs->count; j++) {
Chris@0 721 if (defs->items[j].pid == controlPortNumber) {
Chris@0 722 // std::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] << std::endl;
Chris@0 723 m_portDefaults[descriptor->UniqueID][i] =
Chris@0 724 defs->items[j].value;
Chris@0 725 }
Chris@0 726 }
Chris@0 727 }
Chris@0 728
Chris@0 729 ++controlPortNumber;
Chris@0 730 }
Chris@0 731 }
Chris@35 732 #endif // HAVE_LRDF
Chris@0 733
Chris@60 734 for (unsigned long i = 0; i < descriptor->PortCount; i++) {
Chris@60 735 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
Chris@60 736 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@60 737 ++rtd->parameterCount;
Chris@60 738 } else {
Chris@60 739 if (strcmp(descriptor->PortNames[i], "latency") &&
Chris@60 740 strcmp(descriptor->PortNames[i], "_latency")) {
Chris@60 741 ++rtd->controlOutputPortCount;
Chris@60 742 rtd->controlOutputPortNames.push_back
Chris@60 743 (descriptor->PortNames[i]);
Chris@60 744 }
Chris@60 745 }
Chris@60 746 } else {
Chris@60 747 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@60 748 ++rtd->audioInputPortCount;
Chris@166 749 } else if (LADSPA_IS_PORT_OUTPUT(descriptor->PortDescriptors[i])) {
Chris@166 750 ++rtd->audioOutputPortCount;
Chris@60 751 }
Chris@60 752 }
Chris@60 753 }
Chris@60 754
Chris@0 755 m_identifiers.push_back(identifier);
Chris@0 756
Chris@60 757 m_rtDescriptors[identifier] = rtd;
Chris@60 758
Chris@0 759 ++index;
Chris@0 760 }
Chris@0 761
Chris@0 762 if (DLCLOSE(libraryHandle) != 0) {
Chris@0 763 std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins - can't unload " << libraryHandle << std::endl;
Chris@0 764 return;
Chris@0 765 }
Chris@0 766 }
Chris@0 767
Chris@0 768 void
Chris@0 769 LADSPAPluginFactory::generateFallbackCategories()
Chris@0 770 {
Chris@0 771 std::vector<QString> pluginPath = getPluginPath();
Chris@0 772 std::vector<QString> path;
Chris@0 773
Chris@0 774 for (size_t i = 0; i < pluginPath.size(); ++i) {
Chris@0 775 if (pluginPath[i].contains("/lib/")) {
Chris@0 776 QString p(pluginPath[i]);
Chris@165 777 path.push_back(p);
Chris@0 778 p.replace("/lib/", "/share/");
Chris@0 779 path.push_back(p);
Chris@165 780 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: path element " << p.toStdString() << std::endl;
Chris@0 781 }
Chris@0 782 path.push_back(pluginPath[i]);
Chris@165 783 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: path element " << pluginPath[i].toStdString() << std::endl;
Chris@0 784 }
Chris@0 785
Chris@0 786 for (size_t i = 0; i < path.size(); ++i) {
Chris@0 787
Chris@0 788 QDir dir(path[i], "*.cat");
Chris@0 789
Chris@165 790 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: directory " << path[i].toStdString() << " has " << dir.count() << " .cat files" << std::endl;
Chris@0 791 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@0 792
Chris@0 793 QFile file(path[i] + "/" + dir[j]);
Chris@0 794
Chris@165 795 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: about to open " << (path[i].toStdString() + "/" + dir[j].toStdString()) << std::endl;
Chris@0 796
Chris@0 797 if (file.open(QIODevice::ReadOnly)) {
Chris@0 798 // std::cerr << "...opened" << std::endl;
Chris@0 799 QTextStream stream(&file);
Chris@0 800 QString line;
Chris@0 801
Chris@0 802 while (!stream.atEnd()) {
Chris@0 803 line = stream.readLine();
Chris@165 804 // std::cerr << "line is: \"" << line.toStdString() << "\"" << std::endl;
Chris@165 805 QString id = PluginIdentifier::canonicalise
Chris@165 806 (line.section("::", 0, 0));
Chris@0 807 QString cat = line.section("::", 1, 1);
Chris@165 808 m_taxonomy[id] = cat;
Chris@165 809 // std::cerr << "set id \"" << id.toStdString() << "\" to cat \"" << cat.toStdString() << "\"" << std::endl;
Chris@0 810 }
Chris@0 811 }
Chris@0 812 }
Chris@0 813 }
Chris@0 814 }
Chris@0 815
Chris@0 816 void
Chris@0 817 LADSPAPluginFactory::generateTaxonomy(QString uri, QString base)
Chris@0 818 {
Chris@35 819 #ifdef HAVE_LRDF
Chris@0 820 lrdf_uris *uris = lrdf_get_instances(uri.toStdString().c_str());
Chris@0 821
Chris@0 822 if (uris != NULL) {
Chris@0 823 for (int i = 0; i < uris->count; ++i) {
Chris@165 824 m_lrdfTaxonomy[lrdf_get_uid(uris->items[i])] = base;
Chris@0 825 }
Chris@0 826 lrdf_free_uris(uris);
Chris@0 827 }
Chris@0 828
Chris@0 829 uris = lrdf_get_subclasses(uri.toStdString().c_str());
Chris@0 830
Chris@0 831 if (uris != NULL) {
Chris@0 832 for (int i = 0; i < uris->count; ++i) {
Chris@0 833 char *label = lrdf_get_label(uris->items[i]);
Chris@0 834 generateTaxonomy(uris->items[i],
Chris@0 835 base + (base.length() > 0 ? " > " : "") + label);
Chris@0 836 }
Chris@0 837 lrdf_free_uris(uris);
Chris@0 838 }
Chris@0 839 #endif
Chris@0 840 }
Chris@0 841
Chris@165 842 QString
Chris@165 843 LADSPAPluginFactory::getPluginCategory(QString identifier)
Chris@165 844 {
Chris@165 845 return m_taxonomy[identifier];
Chris@165 846 }
Chris@0 847