annotate plugin/LADSPAPluginFactory.cpp @ 356:ca3b91119482

* fix support for logarithmic hints in plugin parameters
author Chris Cannam
date Mon, 17 Dec 2007 12:32:28 +0000
parents d4a33cdca86f
children b92513201610
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@260 36 //#define DEBUG_LADSPA_PLUGIN_FACTORY 1
Chris@260 37
Chris@35 38 #ifdef HAVE_LRDF
Chris@0 39 #include "lrdf.h"
Chris@35 40 #endif // HAVE_LRDF
Chris@0 41
Chris@0 42
Chris@0 43 LADSPAPluginFactory::LADSPAPluginFactory()
Chris@0 44 {
Chris@166 45 #ifdef HAVE_LRDF
Chris@166 46 lrdf_init();
Chris@166 47 #endif
Chris@0 48 }
Chris@0 49
Chris@0 50 LADSPAPluginFactory::~LADSPAPluginFactory()
Chris@0 51 {
Chris@0 52 for (std::set<RealTimePluginInstance *>::iterator i = m_instances.begin();
Chris@0 53 i != m_instances.end(); ++i) {
Chris@0 54 (*i)->setFactory(0);
Chris@0 55 delete *i;
Chris@0 56 }
Chris@0 57 m_instances.clear();
Chris@0 58 unloadUnusedLibraries();
Chris@166 59
Chris@166 60 #ifdef HAVE_LRDF
Chris@166 61 lrdf_cleanup();
Chris@166 62 #endif // HAVE_LRDF
Chris@0 63 }
Chris@0 64
Chris@0 65 const std::vector<QString> &
Chris@0 66 LADSPAPluginFactory::getPluginIdentifiers() const
Chris@0 67 {
Chris@0 68 return m_identifiers;
Chris@0 69 }
Chris@0 70
Chris@0 71 void
Chris@0 72 LADSPAPluginFactory::enumeratePlugins(std::vector<QString> &list)
Chris@0 73 {
Chris@0 74 for (std::vector<QString>::iterator i = m_identifiers.begin();
Chris@0 75 i != m_identifiers.end(); ++i) {
Chris@0 76
Chris@0 77 const LADSPA_Descriptor *descriptor = getLADSPADescriptor(*i);
Chris@0 78
Chris@0 79 if (!descriptor) {
Chris@0 80 std::cerr << "WARNING: LADSPAPluginFactory::enumeratePlugins: couldn't get descriptor for identifier " << i->toStdString() << std::endl;
Chris@0 81 continue;
Chris@0 82 }
Chris@0 83
Chris@0 84 list.push_back(*i);
Chris@0 85 list.push_back(descriptor->Name);
Chris@0 86 list.push_back(QString("%1").arg(descriptor->UniqueID));
Chris@0 87 list.push_back(descriptor->Label);
Chris@0 88 list.push_back(descriptor->Maker);
Chris@0 89 list.push_back(descriptor->Copyright);
Chris@0 90 list.push_back("false"); // is synth
Chris@0 91 list.push_back("false"); // is grouped
Chris@165 92
Chris@165 93 if (m_taxonomy.find(*i) != m_taxonomy.end() && m_taxonomy[*i] != "") {
Chris@0 94 // std::cerr << "LADSPAPluginFactory: cat for " << i->toStdString()<< " found in taxonomy as " << m_taxonomy[descriptor->UniqueID] << std::endl;
Chris@165 95 list.push_back(m_taxonomy[*i]);
Chris@0 96 } else {
Chris@0 97 list.push_back("");
Chris@0 98 // std::cerr << "LADSPAPluginFactory: cat for " << i->toStdString() << " not found (despite having " << m_fallbackCategories.size() << " fallbacks)" << std::endl;
Chris@0 99
Chris@0 100 }
Chris@0 101
Chris@0 102 list.push_back(QString("%1").arg(descriptor->PortCount));
Chris@0 103
Chris@0 104 for (unsigned long p = 0; p < descriptor->PortCount; ++p) {
Chris@0 105
Chris@0 106 int type = 0;
Chris@0 107 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[p])) {
Chris@0 108 type |= PortType::Control;
Chris@0 109 } else {
Chris@0 110 type |= PortType::Audio;
Chris@0 111 }
Chris@0 112 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[p])) {
Chris@0 113 type |= PortType::Input;
Chris@0 114 } else {
Chris@0 115 type |= PortType::Output;
Chris@0 116 }
Chris@0 117
Chris@0 118 list.push_back(QString("%1").arg(p));
Chris@0 119 list.push_back(descriptor->PortNames[p]);
Chris@0 120 list.push_back(QString("%1").arg(type));
Chris@0 121 list.push_back(QString("%1").arg(getPortDisplayHint(descriptor, p)));
Chris@0 122 list.push_back(QString("%1").arg(getPortMinimum(descriptor, p)));
Chris@0 123 list.push_back(QString("%1").arg(getPortMaximum(descriptor, p)));
Chris@0 124 list.push_back(QString("%1").arg(getPortDefault(descriptor, p)));
Chris@0 125 }
Chris@0 126 }
Chris@0 127
Chris@0 128 unloadUnusedLibraries();
Chris@0 129 }
Chris@0 130
Chris@60 131 const RealTimePluginDescriptor *
Chris@60 132 LADSPAPluginFactory::getPluginDescriptor(QString identifier) const
Chris@60 133 {
Chris@60 134 std::map<QString, RealTimePluginDescriptor *>::const_iterator i =
Chris@60 135 m_rtDescriptors.find(identifier);
Chris@60 136
Chris@60 137 if (i != m_rtDescriptors.end()) {
Chris@60 138 return i->second;
Chris@60 139 }
Chris@60 140
Chris@60 141 return 0;
Chris@60 142 }
Chris@60 143
Chris@0 144 float
Chris@0 145 LADSPAPluginFactory::getPortMinimum(const LADSPA_Descriptor *descriptor, int port)
Chris@0 146 {
Chris@0 147 LADSPA_PortRangeHintDescriptor d =
Chris@0 148 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 149
Chris@0 150 float minimum = 0.0;
Chris@0 151
Chris@0 152 if (LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
Chris@0 153 float lb = descriptor->PortRangeHints[port].LowerBound;
Chris@356 154 std::cerr << "LADSPAPluginFactory::getPortMinimum: bounded below at " << lb << std::endl;
Chris@0 155 minimum = lb;
Chris@0 156 } else if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 157 float ub = descriptor->PortRangeHints[port].UpperBound;
Chris@0 158 minimum = std::min(0.0, ub - 1.0);
Chris@0 159 }
Chris@0 160
Chris@0 161 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@0 162 minimum *= m_sampleRate;
Chris@0 163 }
Chris@0 164
Chris@356 165 if (LADSPA_IS_HINT_LOGARITHMIC(d)) {
Chris@356 166 if (minimum == 0.f) minimum = 1.f;
Chris@356 167 }
Chris@356 168
Chris@0 169 return minimum;
Chris@0 170 }
Chris@0 171
Chris@0 172 float
Chris@0 173 LADSPAPluginFactory::getPortMaximum(const LADSPA_Descriptor *descriptor, int port)
Chris@0 174 {
Chris@0 175 LADSPA_PortRangeHintDescriptor d =
Chris@0 176 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 177
Chris@0 178 float maximum = 1.0;
Chris@0 179
Chris@0 180 if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
Chris@0 181 float ub = descriptor->PortRangeHints[port].UpperBound;
Chris@0 182 maximum = ub;
Chris@0 183 } else {
Chris@0 184 float lb = descriptor->PortRangeHints[port].LowerBound;
Chris@0 185 maximum = lb + 1.0;
Chris@0 186 }
Chris@0 187
Chris@0 188 if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@0 189 maximum *= m_sampleRate;
Chris@0 190 }
Chris@0 191
Chris@0 192 return maximum;
Chris@0 193 }
Chris@0 194
Chris@0 195 float
Chris@0 196 LADSPAPluginFactory::getPortDefault(const LADSPA_Descriptor *descriptor, int port)
Chris@0 197 {
Chris@0 198 float minimum = getPortMinimum(descriptor, port);
Chris@0 199 float maximum = getPortMaximum(descriptor, port);
Chris@0 200 float deft;
Chris@0 201
Chris@0 202 if (m_portDefaults.find(descriptor->UniqueID) !=
Chris@0 203 m_portDefaults.end()) {
Chris@0 204 if (m_portDefaults[descriptor->UniqueID].find(port) !=
Chris@0 205 m_portDefaults[descriptor->UniqueID].end()) {
Chris@0 206
Chris@0 207 deft = m_portDefaults[descriptor->UniqueID][port];
Chris@0 208 if (deft < minimum) deft = minimum;
Chris@0 209 if (deft > maximum) deft = maximum;
Chris@0 210 return deft;
Chris@0 211 }
Chris@0 212 }
Chris@0 213
Chris@0 214 LADSPA_PortRangeHintDescriptor d =
Chris@0 215 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 216
Chris@0 217 bool logarithmic = LADSPA_IS_HINT_LOGARITHMIC(d);
Chris@0 218
Chris@356 219 float logmin = 0, logmax = 0;
Chris@356 220 if (logarithmic) {
Chris@356 221 float thresh = powf(10, -10);
Chris@356 222 if (minimum < thresh) logmin = -10;
Chris@356 223 else logmin = log10f(minimum);
Chris@356 224 if (maximum < thresh) logmax = -10;
Chris@356 225 else logmax = log10f(maximum);
Chris@356 226 }
Chris@356 227
Chris@356 228 std::cerr << "LADSPAPluginFactory::getPortDefault: hint = " << d << std::endl;
Chris@356 229
Chris@0 230 if (!LADSPA_IS_HINT_HAS_DEFAULT(d)) {
Chris@0 231
Chris@0 232 deft = minimum;
Chris@0 233
Chris@0 234 } else if (LADSPA_IS_HINT_DEFAULT_MINIMUM(d)) {
Chris@0 235
Chris@0 236 deft = minimum;
Chris@0 237
Chris@0 238 } else if (LADSPA_IS_HINT_DEFAULT_LOW(d)) {
Chris@0 239
Chris@0 240 if (logarithmic) {
Chris@356 241 deft = powf(10, logmin * 0.75 + logmax * 0.25);
Chris@0 242 } else {
Chris@0 243 deft = minimum * 0.75 + maximum * 0.25;
Chris@0 244 }
Chris@0 245
Chris@0 246 } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(d)) {
Chris@0 247
Chris@0 248 if (logarithmic) {
Chris@356 249 deft = powf(10, logmin * 0.5 + logmax * 0.5);
Chris@0 250 } else {
Chris@0 251 deft = minimum * 0.5 + maximum * 0.5;
Chris@0 252 }
Chris@0 253
Chris@0 254 } else if (LADSPA_IS_HINT_DEFAULT_HIGH(d)) {
Chris@0 255
Chris@0 256 if (logarithmic) {
Chris@356 257 deft = powf(10, logmin * 0.25 + logmax * 0.75);
Chris@0 258 } else {
Chris@0 259 deft = minimum * 0.25 + maximum * 0.75;
Chris@0 260 }
Chris@0 261
Chris@0 262 } else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(d)) {
Chris@0 263
Chris@0 264 deft = maximum;
Chris@0 265
Chris@0 266 } else if (LADSPA_IS_HINT_DEFAULT_0(d)) {
Chris@0 267
Chris@0 268 deft = 0.0;
Chris@0 269
Chris@0 270 } else if (LADSPA_IS_HINT_DEFAULT_1(d)) {
Chris@0 271
Chris@0 272 deft = 1.0;
Chris@0 273
Chris@0 274 } else if (LADSPA_IS_HINT_DEFAULT_100(d)) {
Chris@0 275
Chris@0 276 deft = 100.0;
Chris@0 277
Chris@0 278 } else if (LADSPA_IS_HINT_DEFAULT_440(d)) {
Chris@0 279
Chris@145 280 // deft = 440.0;
Chris@145 281 deft = Preferences::getInstance()->getTuningFrequency();
Chris@0 282
Chris@0 283 } else {
Chris@0 284
Chris@0 285 deft = minimum;
Chris@0 286 }
Chris@356 287
Chris@356 288 //!!! No -- the min and max have already been multiplied by the rate,
Chris@356 289 //so it would happen twice if we did it here -- and e.g. DEFAULT_440
Chris@356 290 //doesn't want to be multiplied by the rate either
Chris@0 291
Chris@356 292 // if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
Chris@356 293 // deft *= m_sampleRate;
Chris@356 294 // }
Chris@0 295
Chris@0 296 return deft;
Chris@0 297 }
Chris@0 298
Chris@57 299 float
Chris@57 300 LADSPAPluginFactory::getPortQuantization(const LADSPA_Descriptor *descriptor, int port)
Chris@57 301 {
Chris@57 302 int displayHint = getPortDisplayHint(descriptor, port);
Chris@57 303 if (displayHint & PortHint::Toggled) {
Chris@57 304 return lrintf(getPortMaximum(descriptor, port)) -
Chris@57 305 lrintf(getPortMinimum(descriptor, port));
Chris@57 306 }
Chris@57 307 if (displayHint & PortHint::Integer) {
Chris@57 308 return 1.0;
Chris@57 309 }
Chris@57 310 return 0.0;
Chris@57 311 }
Chris@57 312
Chris@0 313 int
Chris@0 314 LADSPAPluginFactory::getPortDisplayHint(const LADSPA_Descriptor *descriptor, int port)
Chris@0 315 {
Chris@0 316 LADSPA_PortRangeHintDescriptor d =
Chris@0 317 descriptor->PortRangeHints[port].HintDescriptor;
Chris@0 318 int hint = PortHint::NoHint;
Chris@0 319
Chris@0 320 if (LADSPA_IS_HINT_TOGGLED(d)) hint |= PortHint::Toggled;
Chris@0 321 if (LADSPA_IS_HINT_INTEGER(d)) hint |= PortHint::Integer;
Chris@0 322 if (LADSPA_IS_HINT_LOGARITHMIC(d)) hint |= PortHint::Logarithmic;
Chris@0 323
Chris@0 324 return hint;
Chris@0 325 }
Chris@0 326
Chris@0 327
Chris@0 328 RealTimePluginInstance *
Chris@0 329 LADSPAPluginFactory::instantiatePlugin(QString identifier,
Chris@0 330 int instrument,
Chris@0 331 int position,
Chris@0 332 unsigned int sampleRate,
Chris@0 333 unsigned int blockSize,
Chris@0 334 unsigned int channels)
Chris@0 335 {
Chris@0 336 const LADSPA_Descriptor *descriptor = getLADSPADescriptor(identifier);
Chris@0 337
Chris@0 338 if (descriptor) {
Chris@0 339
Chris@0 340 LADSPAPluginInstance *instance =
Chris@0 341 new LADSPAPluginInstance
Chris@0 342 (this, instrument, identifier, position, sampleRate, blockSize, channels,
Chris@0 343 descriptor);
Chris@0 344
Chris@0 345 m_instances.insert(instance);
Chris@0 346
Chris@260 347 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@78 348 std::cerr << "LADSPAPluginFactory::instantiatePlugin("
Chris@78 349 << identifier.toStdString() << ": now have " << m_instances.size() << " instances" << std::endl;
Chris@260 350 #endif
Chris@78 351
Chris@0 352 return instance;
Chris@0 353 }
Chris@0 354
Chris@0 355 return 0;
Chris@0 356 }
Chris@0 357
Chris@0 358 void
Chris@0 359 LADSPAPluginFactory::releasePlugin(RealTimePluginInstance *instance,
Chris@0 360 QString identifier)
Chris@0 361 {
Chris@0 362 if (m_instances.find(instance) == m_instances.end()) {
Chris@0 363 std::cerr << "WARNING: LADSPAPluginFactory::releasePlugin: Not one of mine!"
Chris@0 364 << std::endl;
Chris@0 365 return;
Chris@0 366 }
Chris@0 367
Chris@0 368 QString type, soname, label;
Chris@0 369 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 370
Chris@0 371 m_instances.erase(instance);
Chris@0 372
Chris@0 373 bool stillInUse = false;
Chris@0 374
Chris@0 375 for (std::set<RealTimePluginInstance *>::iterator ii = m_instances.begin();
Chris@0 376 ii != m_instances.end(); ++ii) {
Chris@0 377 QString itype, isoname, ilabel;
Chris@237 378 PluginIdentifier::parseIdentifier((*ii)->getPluginIdentifier(), itype, isoname, ilabel);
Chris@0 379 if (isoname == soname) {
Chris@260 380 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@78 381 std::cerr << "LADSPAPluginFactory::releasePlugin: dll " << soname.toStdString() << " is still in use for plugin " << ilabel.toStdString() << std::endl;
Chris@260 382 #endif
Chris@0 383 stillInUse = true;
Chris@0 384 break;
Chris@0 385 }
Chris@0 386 }
Chris@0 387
Chris@0 388 if (!stillInUse) {
Chris@118 389 if (soname != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@260 390 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@118 391 std::cerr << "LADSPAPluginFactory::releasePlugin: dll " << soname.toStdString() << " no longer in use, unloading" << std::endl;
Chris@260 392 #endif
Chris@118 393 unloadLibrary(soname);
Chris@118 394 }
Chris@0 395 }
Chris@78 396
Chris@260 397 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@78 398 std::cerr << "LADSPAPluginFactory::releasePlugin("
Chris@78 399 << identifier.toStdString() << ": now have " << m_instances.size() << " instances" << std::endl;
Chris@260 400 #endif
Chris@0 401 }
Chris@0 402
Chris@0 403 const LADSPA_Descriptor *
Chris@0 404 LADSPAPluginFactory::getLADSPADescriptor(QString identifier)
Chris@0 405 {
Chris@0 406 QString type, soname, label;
Chris@0 407 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 408
Chris@0 409 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@0 410 loadLibrary(soname);
Chris@0 411 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@0 412 std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: loadLibrary failed for " << soname.toStdString() << std::endl;
Chris@0 413 return 0;
Chris@0 414 }
Chris@0 415 }
Chris@0 416
Chris@0 417 void *libraryHandle = m_libraryHandles[soname];
Chris@0 418
Chris@0 419 LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
Chris@0 420 DLSYM(libraryHandle, "ladspa_descriptor");
Chris@0 421
Chris@0 422 if (!fn) {
Chris@0 423 std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No descriptor function in library " << soname.toStdString() << std::endl;
Chris@0 424 return 0;
Chris@0 425 }
Chris@0 426
Chris@0 427 const LADSPA_Descriptor *descriptor = 0;
Chris@0 428
Chris@0 429 int index = 0;
Chris@0 430 while ((descriptor = fn(index))) {
Chris@0 431 if (descriptor->Label == label) return descriptor;
Chris@0 432 ++index;
Chris@0 433 }
Chris@0 434
Chris@0 435 std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No such plugin as " << label.toStdString() << " in library " << soname.toStdString() << std::endl;
Chris@0 436
Chris@0 437 return 0;
Chris@0 438 }
Chris@0 439
Chris@0 440 void
Chris@0 441 LADSPAPluginFactory::loadLibrary(QString soName)
Chris@0 442 {
Chris@0 443 void *libraryHandle = DLOPEN(soName, RTLD_NOW);
Chris@106 444 if (libraryHandle) {
Chris@106 445 m_libraryHandles[soName] = libraryHandle;
Chris@106 446 std::cerr << "LADSPAPluginFactory::loadLibrary: Loaded library \"" << soName.toStdString() << "\"" << std::endl;
Chris@106 447 return;
Chris@106 448 }
Chris@106 449
Chris@106 450 if (QFileInfo(soName).exists()) {
Chris@106 451 DLERROR();
Chris@106 452 std::cerr << "LADSPAPluginFactory::loadLibrary: Library \"" << soName.toStdString() << "\" exists, but failed to load it" << std::endl;
Chris@106 453 return;
Chris@106 454 }
Chris@106 455
Chris@106 456 std::vector<QString> pathList = getPluginPath();
Chris@106 457
Chris@106 458 QString fileName = QFile(soName).fileName();
Chris@106 459 QString base = QFileInfo(soName).baseName();
Chris@106 460
Chris@106 461 for (std::vector<QString>::iterator i = pathList.begin();
Chris@106 462 i != pathList.end(); ++i) {
Chris@106 463
Chris@260 464 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@106 465 std::cerr << "Looking at: " << (*i).toStdString() << std::endl;
Chris@260 466 #endif
Chris@106 467
Chris@106 468 QDir dir(*i, PLUGIN_GLOB,
Chris@106 469 QDir::Name | QDir::IgnoreCase,
Chris@106 470 QDir::Files | QDir::Readable);
Chris@106 471
Chris@106 472 if (QFileInfo(dir.filePath(fileName)).exists()) {
Chris@260 473 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@106 474 std::cerr << "Loading: " << fileName.toStdString() << std::endl;
Chris@260 475 #endif
Chris@106 476 libraryHandle = DLOPEN(dir.filePath(fileName), RTLD_NOW);
Chris@166 477 if (libraryHandle) {
Chris@166 478 m_libraryHandles[soName] = libraryHandle;
Chris@166 479 return;
Chris@166 480 }
Chris@106 481 }
Chris@106 482
Chris@106 483 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@106 484 QString file = dir.filePath(dir[j]);
Chris@106 485 if (QFileInfo(file).baseName() == base) {
Chris@260 486 #ifdef DEBUG_LADSPA_PLUGIN_FACTORY
Chris@106 487 std::cerr << "Loading: " << file.toStdString() << std::endl;
Chris@260 488 #endif
Chris@106 489 libraryHandle = DLOPEN(file, 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@106 496 }
Chris@106 497
Chris@106 498 std::cerr << "LADSPAPluginFactory::loadLibrary: Failed to locate plugin library \"" << soName.toStdString() << "\"" << std::endl;
Chris@0 499 }
Chris@0 500
Chris@0 501 void
Chris@0 502 LADSPAPluginFactory::unloadLibrary(QString soName)
Chris@0 503 {
Chris@0 504 LibraryHandleMap::iterator li = m_libraryHandles.find(soName);
Chris@0 505 if (li != m_libraryHandles.end()) {
Chris@0 506 // std::cerr << "unloading " << soname.toStdString() << std::endl;
Chris@0 507 DLCLOSE(m_libraryHandles[soName]);
Chris@0 508 m_libraryHandles.erase(li);
Chris@0 509 }
Chris@0 510 }
Chris@0 511
Chris@0 512 void
Chris@0 513 LADSPAPluginFactory::unloadUnusedLibraries()
Chris@0 514 {
Chris@0 515 std::vector<QString> toUnload;
Chris@0 516
Chris@0 517 for (LibraryHandleMap::iterator i = m_libraryHandles.begin();
Chris@0 518 i != m_libraryHandles.end(); ++i) {
Chris@0 519
Chris@0 520 bool stillInUse = false;
Chris@0 521
Chris@0 522 for (std::set<RealTimePluginInstance *>::iterator ii = m_instances.begin();
Chris@0 523 ii != m_instances.end(); ++ii) {
Chris@0 524
Chris@0 525 QString itype, isoname, ilabel;
Chris@237 526 PluginIdentifier::parseIdentifier((*ii)->getPluginIdentifier(), itype, isoname, ilabel);
Chris@0 527 if (isoname == i->first) {
Chris@0 528 stillInUse = true;
Chris@0 529 break;
Chris@0 530 }
Chris@0 531 }
Chris@0 532
Chris@0 533 if (!stillInUse) toUnload.push_back(i->first);
Chris@0 534 }
Chris@0 535
Chris@0 536 for (std::vector<QString>::iterator i = toUnload.begin();
Chris@0 537 i != toUnload.end(); ++i) {
Chris@118 538 if (*i != PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@118 539 unloadLibrary(*i);
Chris@118 540 }
Chris@0 541 }
Chris@0 542 }
Chris@0 543
Chris@0 544
Chris@0 545 // It is only later, after they've gone,
Chris@0 546 // I realize they have delivered a letter.
Chris@0 547 // It's a letter from my wife. "What are you doing
Chris@0 548 // there?" my wife asks. "Are you drinking?"
Chris@0 549 // I study the postmark for hours. Then it, too, begins to fade.
Chris@0 550 // I hope someday to forget all this.
Chris@0 551
Chris@0 552
Chris@0 553 std::vector<QString>
Chris@0 554 LADSPAPluginFactory::getPluginPath()
Chris@0 555 {
Chris@0 556 std::vector<QString> pathList;
Chris@0 557 std::string path;
Chris@0 558
Chris@0 559 char *cpath = getenv("LADSPA_PATH");
Chris@0 560 if (cpath) path = cpath;
Chris@0 561
Chris@0 562 if (path == "") {
Chris@186 563
Chris@186 564 path = DEFAULT_LADSPA_PATH;
Chris@186 565
Chris@0 566 char *home = getenv("HOME");
Chris@186 567 if (home) {
Chris@186 568 std::string::size_type f;
Chris@186 569 while ((f = path.find("$HOME")) != std::string::npos &&
Chris@186 570 f < path.length()) {
Chris@186 571 path.replace(f, 5, home);
Chris@186 572 }
Chris@186 573 }
Chris@186 574
Chris@186 575 #ifdef _WIN32
Chris@220 576 char *pfiles = getenv("ProgramFiles");
Chris@220 577 if (!pfiles) pfiles = "C:\\Program Files";
Chris@220 578 {
Chris@186 579 std::string::size_type f;
Chris@186 580 while ((f = path.find("%ProgramFiles%")) != std::string::npos &&
Chris@186 581 f < path.length()) {
Chris@186 582 path.replace(f, 14, pfiles);
Chris@186 583 }
Chris@220 584 }
Chris@186 585 #endif
Chris@0 586 }
Chris@0 587
Chris@0 588 std::string::size_type index = 0, newindex = 0;
Chris@0 589
Chris@223 590 while ((newindex = path.find(PATH_SEPARATOR, index)) < path.size()) {
Chris@0 591 pathList.push_back(path.substr(index, newindex - index).c_str());
Chris@0 592 index = newindex + 1;
Chris@0 593 }
Chris@0 594
Chris@0 595 pathList.push_back(path.substr(index).c_str());
Chris@0 596
Chris@0 597 return pathList;
Chris@0 598 }
Chris@0 599
Chris@0 600
Chris@0 601 std::vector<QString>
Chris@0 602 LADSPAPluginFactory::getLRDFPath(QString &baseUri)
Chris@0 603 {
Chris@150 604 std::vector<QString> lrdfPaths;
Chris@150 605
Chris@150 606 #ifdef HAVE_LRDF
Chris@0 607 std::vector<QString> pathList = getPluginPath();
Chris@0 608
Chris@0 609 lrdfPaths.push_back("/usr/local/share/ladspa/rdf");
Chris@0 610 lrdfPaths.push_back("/usr/share/ladspa/rdf");
Chris@0 611
Chris@0 612 for (std::vector<QString>::iterator i = pathList.begin();
Chris@0 613 i != pathList.end(); ++i) {
Chris@0 614 lrdfPaths.push_back(*i + "/rdf");
Chris@0 615 }
Chris@0 616
Chris@0 617 baseUri = LADSPA_BASE;
Chris@150 618 #endif
Chris@150 619
Chris@0 620 return lrdfPaths;
Chris@0 621 }
Chris@0 622
Chris@0 623 void
Chris@0 624 LADSPAPluginFactory::discoverPlugins()
Chris@0 625 {
Chris@0 626 std::vector<QString> pathList = getPluginPath();
Chris@0 627
Chris@0 628 // std::cerr << "LADSPAPluginFactory::discoverPlugins - "
Chris@0 629 // << "discovering plugins; path is ";
Chris@259 630 // for (std::vector<QString>::iterator i = pathList.begin();
Chris@259 631 // i != pathList.end(); ++i) {
Chris@259 632 // std::cerr << "[" << i->toStdString() << "] ";
Chris@259 633 // }
Chris@259 634 // std::cerr << std::endl;
Chris@0 635
Chris@35 636 #ifdef HAVE_LRDF
Chris@166 637 // read the description files
Chris@0 638 //
Chris@0 639 QString baseUri;
Chris@0 640 std::vector<QString> lrdfPaths = getLRDFPath(baseUri);
Chris@0 641
Chris@0 642 bool haveSomething = false;
Chris@0 643
Chris@0 644 for (size_t i = 0; i < lrdfPaths.size(); ++i) {
Chris@0 645 QDir dir(lrdfPaths[i], "*.rdf;*.rdfs");
Chris@0 646 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@0 647 if (!lrdf_read_file(QString("file:" + lrdfPaths[i] + "/" + dir[j]).toStdString().c_str())) {
Chris@0 648 // std::cerr << "LADSPAPluginFactory: read RDF file " << (lrdfPaths[i] + "/" + dir[j]) << std::endl;
Chris@0 649 haveSomething = true;
Chris@0 650 }
Chris@0 651 }
Chris@0 652 }
Chris@0 653
Chris@0 654 if (haveSomething) {
Chris@0 655 generateTaxonomy(baseUri + "Plugin", "");
Chris@0 656 }
Chris@35 657 #endif // HAVE_LRDF
Chris@0 658
Chris@0 659 generateFallbackCategories();
Chris@0 660
Chris@0 661 for (std::vector<QString>::iterator i = pathList.begin();
Chris@0 662 i != pathList.end(); ++i) {
Chris@0 663
Chris@0 664 QDir pluginDir(*i, PLUGIN_GLOB);
Chris@0 665
Chris@0 666 for (unsigned int j = 0; j < pluginDir.count(); ++j) {
Chris@0 667 discoverPlugins(QString("%1/%2").arg(*i).arg(pluginDir[j]));
Chris@0 668 }
Chris@0 669 }
Chris@0 670 }
Chris@0 671
Chris@0 672 void
Chris@0 673 LADSPAPluginFactory::discoverPlugins(QString soname)
Chris@0 674 {
Chris@0 675 void *libraryHandle = DLOPEN(soname, RTLD_LAZY);
Chris@0 676
Chris@0 677 if (!libraryHandle) {
Chris@0 678 std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: couldn't load plugin library "
Chris@0 679 << soname.toStdString() << " - " << DLERROR() << std::endl;
Chris@0 680 return;
Chris@0 681 }
Chris@0 682
Chris@0 683 LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
Chris@0 684 DLSYM(libraryHandle, "ladspa_descriptor");
Chris@0 685
Chris@0 686 if (!fn) {
Chris@0 687 std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: No descriptor function in " << soname.toStdString() << std::endl;
Chris@0 688 return;
Chris@0 689 }
Chris@0 690
Chris@0 691 const LADSPA_Descriptor *descriptor = 0;
Chris@0 692
Chris@0 693 int index = 0;
Chris@0 694 while ((descriptor = fn(index))) {
Chris@0 695
Chris@60 696 RealTimePluginDescriptor *rtd = new RealTimePluginDescriptor;
Chris@60 697 rtd->name = descriptor->Name;
Chris@60 698 rtd->label = descriptor->Label;
Chris@60 699 rtd->maker = descriptor->Maker;
Chris@60 700 rtd->copyright = descriptor->Copyright;
Chris@60 701 rtd->category = "";
Chris@60 702 rtd->isSynth = false;
Chris@60 703 rtd->parameterCount = 0;
Chris@60 704 rtd->audioInputPortCount = 0;
Chris@166 705 rtd->audioOutputPortCount = 0;
Chris@60 706 rtd->controlOutputPortCount = 0;
Chris@60 707
Chris@165 708 QString identifier = PluginIdentifier::createIdentifier
Chris@165 709 ("ladspa", soname, descriptor->Label);
Chris@165 710
Chris@35 711 #ifdef HAVE_LRDF
Chris@0 712 char *def_uri = 0;
Chris@0 713 lrdf_defaults *defs = 0;
Chris@0 714
Chris@165 715 if (m_lrdfTaxonomy[descriptor->UniqueID] != "") {
Chris@165 716 m_taxonomy[identifier] = m_lrdfTaxonomy[descriptor->UniqueID];
Chris@165 717 // std::cerr << "set id \"" << identifier.toStdString() << "\" to cat \"" << m_taxonomy[identifier].toStdString() << "\" from LRDF" << std::endl;
Chris@218 718 // std::cout << identifier.toStdString() << "::" << m_taxonomy[identifier].toStdString() << std::endl;
Chris@165 719 }
Chris@165 720
Chris@165 721 QString category = m_taxonomy[identifier];
Chris@0 722
Chris@0 723 if (category == "" && descriptor->Name != 0) {
Chris@0 724 std::string name = descriptor->Name;
Chris@0 725 if (name.length() > 4 &&
Chris@0 726 name.substr(name.length() - 4) == " VST") {
Chris@0 727 category = "VST effects";
Chris@165 728 m_taxonomy[identifier] = category;
Chris@0 729 }
Chris@0 730 }
Chris@0 731
Chris@60 732 rtd->category = category.toStdString();
Chris@60 733
Chris@0 734 // std::cerr << "Plugin id is " << descriptor->UniqueID
Chris@0 735 // << ", category is \"" << (category ? category : QString("(none)"))
Chris@0 736 // << "\", name is " << descriptor->Name
Chris@0 737 // << ", label is " << descriptor->Label
Chris@0 738 // << std::endl;
Chris@0 739
Chris@0 740 def_uri = lrdf_get_default_uri(descriptor->UniqueID);
Chris@0 741 if (def_uri) {
Chris@0 742 defs = lrdf_get_setting_values(def_uri);
Chris@0 743 }
Chris@0 744
Chris@259 745 unsigned int controlPortNumber = 1;
Chris@0 746
Chris@0 747 for (unsigned long i = 0; i < descriptor->PortCount; i++) {
Chris@0 748
Chris@0 749 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
Chris@0 750
Chris@0 751 if (def_uri && defs) {
Chris@0 752
Chris@259 753 for (unsigned int j = 0; j < defs->count; j++) {
Chris@0 754 if (defs->items[j].pid == controlPortNumber) {
Chris@0 755 // 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@0 756 m_portDefaults[descriptor->UniqueID][i] =
Chris@0 757 defs->items[j].value;
Chris@0 758 }
Chris@0 759 }
Chris@0 760 }
Chris@0 761
Chris@0 762 ++controlPortNumber;
Chris@0 763 }
Chris@0 764 }
Chris@35 765 #endif // HAVE_LRDF
Chris@0 766
Chris@60 767 for (unsigned long i = 0; i < descriptor->PortCount; i++) {
Chris@60 768 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
Chris@60 769 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@60 770 ++rtd->parameterCount;
Chris@60 771 } else {
Chris@60 772 if (strcmp(descriptor->PortNames[i], "latency") &&
Chris@60 773 strcmp(descriptor->PortNames[i], "_latency")) {
Chris@60 774 ++rtd->controlOutputPortCount;
Chris@60 775 rtd->controlOutputPortNames.push_back
Chris@60 776 (descriptor->PortNames[i]);
Chris@60 777 }
Chris@60 778 }
Chris@60 779 } else {
Chris@60 780 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
Chris@60 781 ++rtd->audioInputPortCount;
Chris@166 782 } else if (LADSPA_IS_PORT_OUTPUT(descriptor->PortDescriptors[i])) {
Chris@166 783 ++rtd->audioOutputPortCount;
Chris@60 784 }
Chris@60 785 }
Chris@60 786 }
Chris@60 787
Chris@0 788 m_identifiers.push_back(identifier);
Chris@0 789
Chris@60 790 m_rtDescriptors[identifier] = rtd;
Chris@60 791
Chris@0 792 ++index;
Chris@0 793 }
Chris@0 794
Chris@0 795 if (DLCLOSE(libraryHandle) != 0) {
Chris@0 796 std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins - can't unload " << libraryHandle << std::endl;
Chris@0 797 return;
Chris@0 798 }
Chris@0 799 }
Chris@0 800
Chris@0 801 void
Chris@0 802 LADSPAPluginFactory::generateFallbackCategories()
Chris@0 803 {
Chris@0 804 std::vector<QString> pluginPath = getPluginPath();
Chris@0 805 std::vector<QString> path;
Chris@0 806
Chris@0 807 for (size_t i = 0; i < pluginPath.size(); ++i) {
Chris@0 808 if (pluginPath[i].contains("/lib/")) {
Chris@0 809 QString p(pluginPath[i]);
Chris@165 810 path.push_back(p);
Chris@0 811 p.replace("/lib/", "/share/");
Chris@0 812 path.push_back(p);
Chris@165 813 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: path element " << p.toStdString() << std::endl;
Chris@0 814 }
Chris@0 815 path.push_back(pluginPath[i]);
Chris@165 816 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: path element " << pluginPath[i].toStdString() << std::endl;
Chris@0 817 }
Chris@0 818
Chris@0 819 for (size_t i = 0; i < path.size(); ++i) {
Chris@0 820
Chris@0 821 QDir dir(path[i], "*.cat");
Chris@0 822
Chris@165 823 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: directory " << path[i].toStdString() << " has " << dir.count() << " .cat files" << std::endl;
Chris@0 824 for (unsigned int j = 0; j < dir.count(); ++j) {
Chris@0 825
Chris@0 826 QFile file(path[i] + "/" + dir[j]);
Chris@0 827
Chris@165 828 // std::cerr << "LADSPAPluginFactory::generateFallbackCategories: about to open " << (path[i].toStdString() + "/" + dir[j].toStdString()) << std::endl;
Chris@0 829
Chris@0 830 if (file.open(QIODevice::ReadOnly)) {
Chris@0 831 // std::cerr << "...opened" << std::endl;
Chris@0 832 QTextStream stream(&file);
Chris@0 833 QString line;
Chris@0 834
Chris@0 835 while (!stream.atEnd()) {
Chris@0 836 line = stream.readLine();
Chris@165 837 // std::cerr << "line is: \"" << line.toStdString() << "\"" << std::endl;
Chris@165 838 QString id = PluginIdentifier::canonicalise
Chris@165 839 (line.section("::", 0, 0));
Chris@0 840 QString cat = line.section("::", 1, 1);
Chris@165 841 m_taxonomy[id] = cat;
Chris@165 842 // std::cerr << "set id \"" << id.toStdString() << "\" to cat \"" << cat.toStdString() << "\"" << std::endl;
Chris@0 843 }
Chris@0 844 }
Chris@0 845 }
Chris@0 846 }
Chris@0 847 }
Chris@0 848
Chris@0 849 void
Chris@0 850 LADSPAPluginFactory::generateTaxonomy(QString uri, QString base)
Chris@0 851 {
Chris@35 852 #ifdef HAVE_LRDF
Chris@0 853 lrdf_uris *uris = lrdf_get_instances(uri.toStdString().c_str());
Chris@0 854
Chris@0 855 if (uris != NULL) {
Chris@259 856 for (unsigned int i = 0; i < uris->count; ++i) {
Chris@165 857 m_lrdfTaxonomy[lrdf_get_uid(uris->items[i])] = base;
Chris@0 858 }
Chris@0 859 lrdf_free_uris(uris);
Chris@0 860 }
Chris@0 861
Chris@0 862 uris = lrdf_get_subclasses(uri.toStdString().c_str());
Chris@0 863
Chris@0 864 if (uris != NULL) {
Chris@259 865 for (unsigned int i = 0; i < uris->count; ++i) {
Chris@0 866 char *label = lrdf_get_label(uris->items[i]);
Chris@0 867 generateTaxonomy(uris->items[i],
Chris@0 868 base + (base.length() > 0 ? " > " : "") + label);
Chris@0 869 }
Chris@0 870 lrdf_free_uris(uris);
Chris@0 871 }
Chris@0 872 #endif
Chris@0 873 }
Chris@0 874
Chris@165 875 QString
Chris@165 876 LADSPAPluginFactory::getPluginCategory(QString identifier)
Chris@165 877 {
Chris@165 878 return m_taxonomy[identifier];
Chris@165 879 }
Chris@0 880