annotate plugin/DSSIPluginFactory.cpp @ 1226:91ff08313375 piper

Fixes to choice of plugin factory
author Chris Cannam
date Fri, 21 Oct 2016 14:51:22 +0100 (2016-10-21)
parents 6b847a59d908
children 48e9f538e6e9
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.
Chris@0 19 */
Chris@0 20
Chris@0 21 #include "DSSIPluginFactory.h"
Chris@0 22 #include <iostream>
Chris@0 23
Chris@0 24 #include <QString>
Chris@0 25
Chris@0 26 #include "DSSIPluginInstance.h"
Chris@0 27 #include "PluginIdentifier.h"
Chris@0 28
Chris@405 29 #include <cstdlib>
Chris@405 30
Chris@408 31 #include "base/Profiler.h"
Chris@408 32
Chris@0 33 //!!!
Chris@150 34 #include "plugin/plugins/SamplePlayer.h"
Chris@0 35
Chris@150 36 #include "system/System.h"
Chris@0 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 DSSIPluginFactory::DSSIPluginFactory() :
Chris@0 44 LADSPAPluginFactory()
Chris@0 45 {
Chris@0 46 m_hostDescriptor.DSSI_API_Version = 2;
Chris@0 47 m_hostDescriptor.request_transport_information = NULL;
Chris@0 48 m_hostDescriptor.request_midi_send = DSSIPluginInstance::requestMidiSend;
Chris@0 49 m_hostDescriptor.request_non_rt_thread = DSSIPluginInstance::requestNonRTThread;
Chris@0 50 m_hostDescriptor.midi_send = DSSIPluginInstance::midiSend;
Chris@0 51 }
Chris@0 52
Chris@0 53 DSSIPluginFactory::~DSSIPluginFactory()
Chris@0 54 {
Chris@0 55 // nothing else to do here either
Chris@0 56 }
Chris@0 57
Chris@0 58 void
Chris@0 59 DSSIPluginFactory::enumeratePlugins(std::vector<QString> &list)
Chris@0 60 {
Chris@408 61 Profiler profiler("DSSIPluginFactory::enumeratePlugins");
Chris@408 62
Chris@0 63 for (std::vector<QString>::iterator i = m_identifiers.begin();
Chris@0 64 i != m_identifiers.end(); ++i) {
Chris@0 65
Chris@0 66 const DSSI_Descriptor *ddesc = getDSSIDescriptor(*i);
Chris@0 67 if (!ddesc) continue;
Chris@0 68
Chris@0 69 const LADSPA_Descriptor *descriptor = ddesc->LADSPA_Plugin;
Chris@0 70 if (!descriptor) continue;
Chris@0 71
Chris@690 72 // SVDEBUG << "DSSIPluginFactory::enumeratePlugins: Name " << (descriptor->Name ? descriptor->Name : "NONE" ) << endl;
Chris@0 73
Chris@0 74 list.push_back(*i);
Chris@0 75 list.push_back(descriptor->Name);
Chris@0 76 list.push_back(QString("%1").arg(descriptor->UniqueID));
Chris@0 77 list.push_back(descriptor->Label);
Chris@0 78 list.push_back(descriptor->Maker);
Chris@0 79 list.push_back(descriptor->Copyright);
Chris@0 80 list.push_back((ddesc->run_synth || ddesc->run_multiple_synths) ? "true" : "false");
Chris@0 81 list.push_back(ddesc->run_multiple_synths ? "true" : "false");
Chris@165 82 list.push_back(m_taxonomy[*i]);
Chris@0 83 list.push_back(QString("%1").arg(descriptor->PortCount));
Chris@0 84
Chris@1038 85 for (int p = 0; p < (int)descriptor->PortCount; ++p) {
Chris@0 86
Chris@0 87 int type = 0;
Chris@0 88 if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[p])) {
Chris@0 89 type |= PortType::Control;
Chris@0 90 } else {
Chris@0 91 type |= PortType::Audio;
Chris@0 92 }
Chris@0 93 if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[p])) {
Chris@0 94 type |= PortType::Input;
Chris@0 95 } else {
Chris@0 96 type |= PortType::Output;
Chris@0 97 }
Chris@0 98
Chris@0 99 list.push_back(QString("%1").arg(p));
Chris@0 100 list.push_back(descriptor->PortNames[p]);
Chris@0 101 list.push_back(QString("%1").arg(type));
Chris@0 102 list.push_back(QString("%1").arg(getPortDisplayHint(descriptor, p)));
Chris@0 103 list.push_back(QString("%1").arg(getPortMinimum(descriptor, p)));
Chris@0 104 list.push_back(QString("%1").arg(getPortMaximum(descriptor, p)));
Chris@0 105 list.push_back(QString("%1").arg(getPortDefault(descriptor, p)));
Chris@0 106 }
Chris@0 107 }
Chris@0 108
Chris@0 109 unloadUnusedLibraries();
Chris@0 110 }
Chris@0 111
Chris@0 112 RealTimePluginInstance *
Chris@0 113 DSSIPluginFactory::instantiatePlugin(QString identifier,
Chris@0 114 int instrument,
Chris@0 115 int position,
Chris@1040 116 sv_samplerate_t sampleRate,
Chris@1040 117 int blockSize,
Chris@1040 118 int channels)
Chris@0 119 {
Chris@408 120 Profiler profiler("DSSIPluginFactory::instantiatePlugin");
Chris@408 121
Chris@0 122 const DSSI_Descriptor *descriptor = getDSSIDescriptor(identifier);
Chris@0 123
Chris@0 124 if (descriptor) {
Chris@0 125
Chris@0 126 DSSIPluginInstance *instance =
Chris@0 127 new DSSIPluginInstance
Chris@0 128 (this, instrument, identifier, position, sampleRate, blockSize, channels,
Chris@0 129 descriptor);
Chris@0 130
Chris@0 131 m_instances.insert(instance);
Chris@0 132
Chris@0 133 return instance;
Chris@0 134 }
Chris@0 135
Chris@0 136 return 0;
Chris@0 137 }
Chris@0 138
Chris@0 139 const DSSI_Descriptor *
Chris@0 140 DSSIPluginFactory::getDSSIDescriptor(QString identifier)
Chris@0 141 {
Chris@0 142 QString type, soname, label;
Chris@0 143 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
Chris@0 144
Chris@0 145 if (soname == PluginIdentifier::BUILTIN_PLUGIN_SONAME) {
Chris@0 146 if (label == "sample_player") {
Chris@0 147 const DSSI_Descriptor *descriptor = SamplePlayer::getDescriptor(0);
Chris@0 148 if (descriptor) {
Chris@0 149 descriptor->receive_host_descriptor(&m_hostDescriptor);
Chris@0 150 }
Chris@0 151 return descriptor;
Chris@0 152 } else {
Chris@0 153 return 0;
Chris@0 154 }
Chris@0 155 }
Chris@0 156
Chris@0 157 bool firstInLibrary = false;
Chris@0 158
Chris@0 159 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@0 160 loadLibrary(soname);
Chris@0 161 if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
Chris@843 162 cerr << "WARNING: DSSIPluginFactory::getDSSIDescriptor: loadLibrary failed for " << soname << endl;
Chris@0 163 return 0;
Chris@0 164 }
Chris@0 165 firstInLibrary = true;
Chris@0 166 }
Chris@0 167
Chris@0 168 void *libraryHandle = m_libraryHandles[soname];
Chris@0 169
Chris@0 170 DSSI_Descriptor_Function fn = (DSSI_Descriptor_Function)
Chris@0 171 DLSYM(libraryHandle, "dssi_descriptor");
Chris@0 172
Chris@0 173 if (!fn) {
Chris@843 174 cerr << "WARNING: DSSIPluginFactory::getDSSIDescriptor: No descriptor function in library " << soname << endl;
Chris@0 175 return 0;
Chris@0 176 }
Chris@0 177
Chris@0 178 const DSSI_Descriptor *descriptor = 0;
Chris@0 179
Chris@0 180 int index = 0;
Chris@0 181 while ((descriptor = fn(index))) {
Chris@0 182 if (descriptor->LADSPA_Plugin->Label == label) {
Chris@0 183 if (firstInLibrary && (descriptor->DSSI_API_Version >= 2)) {
Chris@0 184 descriptor->receive_host_descriptor(&m_hostDescriptor);
Chris@0 185 }
Chris@0 186 return descriptor;
Chris@0 187 }
Chris@0 188 ++index;
Chris@0 189 }
Chris@0 190
Chris@843 191 cerr << "WARNING: DSSIPluginFactory::getDSSIDescriptor: No such plugin as " << label << " in library " << soname << endl;
Chris@0 192
Chris@0 193 return 0;
Chris@0 194 }
Chris@0 195
Chris@0 196 const LADSPA_Descriptor *
Chris@0 197 DSSIPluginFactory::getLADSPADescriptor(QString identifier)
Chris@0 198 {
Chris@0 199 const DSSI_Descriptor *dssiDescriptor = getDSSIDescriptor(identifier);
Chris@0 200 if (dssiDescriptor) return dssiDescriptor->LADSPA_Plugin;
Chris@0 201 else return 0;
Chris@0 202 }
Chris@0 203
Chris@0 204
Chris@0 205 std::vector<QString>
Chris@0 206 DSSIPluginFactory::getPluginPath()
Chris@0 207 {
Chris@0 208 std::vector<QString> pathList;
Chris@0 209 std::string path;
Chris@0 210
Chris@0 211 char *cpath = getenv("DSSI_PATH");
Chris@0 212 if (cpath) path = cpath;
Chris@0 213
Chris@0 214 if (path == "") {
Chris@186 215
Chris@186 216 path = DEFAULT_DSSI_PATH;
Chris@186 217
Chris@0 218 char *home = getenv("HOME");
Chris@66 219 if (home) {
Chris@186 220 std::string::size_type f;
Chris@186 221 while ((f = path.find("$HOME")) != std::string::npos &&
Chris@186 222 f < path.length()) {
Chris@186 223 path.replace(f, 5, home);
Chris@186 224 }
Chris@66 225 }
Chris@186 226
Chris@186 227 #ifdef _WIN32
Chris@1218 228 const char *pfiles = getenv("ProgramFiles");
Chris@220 229 if (!pfiles) pfiles = "C:\\Program Files";
Chris@220 230 {
Chris@186 231 std::string::size_type f;
Chris@186 232 while ((f = path.find("%ProgramFiles%")) != std::string::npos &&
Chris@186 233 f < path.length()) {
Chris@186 234 path.replace(f, 14, pfiles);
Chris@186 235 }
Chris@220 236 }
Chris@186 237 #endif
Chris@0 238 }
Chris@0 239
Chris@0 240 std::string::size_type index = 0, newindex = 0;
Chris@0 241
Chris@223 242 while ((newindex = path.find(PATH_SEPARATOR, index)) < path.size()) {
Chris@0 243 pathList.push_back(path.substr(index, newindex - index).c_str());
Chris@0 244 index = newindex + 1;
Chris@0 245 }
Chris@0 246
Chris@0 247 pathList.push_back(path.substr(index).c_str());
Chris@0 248
Chris@0 249 return pathList;
Chris@0 250 }
Chris@0 251
Chris@0 252
Chris@0 253 std::vector<QString>
Chris@0 254 DSSIPluginFactory::getLRDFPath(QString &baseUri)
Chris@0 255 {
Chris@150 256 std::vector<QString> lrdfPaths;
Chris@150 257
Chris@150 258 #ifdef HAVE_LRDF
Chris@0 259 std::vector<QString> pathList = getPluginPath();
Chris@0 260
Chris@0 261 lrdfPaths.push_back("/usr/local/share/dssi/rdf");
Chris@0 262 lrdfPaths.push_back("/usr/share/dssi/rdf");
Chris@0 263
Chris@0 264 lrdfPaths.push_back("/usr/local/share/ladspa/rdf");
Chris@0 265 lrdfPaths.push_back("/usr/share/ladspa/rdf");
Chris@0 266
Chris@0 267 for (std::vector<QString>::iterator i = pathList.begin();
Chris@0 268 i != pathList.end(); ++i) {
Chris@0 269 lrdfPaths.push_back(*i + "/rdf");
Chris@0 270 }
Chris@0 271
Chris@0 272 #ifdef DSSI_BASE
Chris@0 273 baseUri = DSSI_BASE;
Chris@0 274 #else
Chris@0 275 baseUri = "http://dssi.sourceforge.net/ontology#";
Chris@0 276 #endif
Chris@953 277 #else
Chris@953 278 // avoid unused parameter
Chris@953 279 baseUri = "";
Chris@150 280 #endif
Chris@0 281
Chris@0 282 return lrdfPaths;
Chris@0 283 }
Chris@0 284
Chris@0 285
Chris@0 286 void
Chris@929 287 DSSIPluginFactory::discoverPluginsFrom(QString soname)
Chris@0 288 {
Chris@408 289 Profiler profiler("DSSIPluginFactory::discoverPlugins");
Chris@408 290
Chris@0 291 // Note that soname is expected to be a full path at this point,
Chris@0 292 // of a file that is known to exist
Chris@0 293
Chris@0 294 void *libraryHandle = DLOPEN(soname, RTLD_LAZY);
Chris@0 295
Chris@0 296 if (!libraryHandle) {
Chris@843 297 cerr << "WARNING: DSSIPluginFactory::discoverPlugins: couldn't load plugin library "
Chris@843 298 << soname << " - " << DLERROR() << endl;
Chris@0 299 return;
Chris@0 300 }
Chris@0 301
Chris@0 302 DSSI_Descriptor_Function fn = (DSSI_Descriptor_Function)
Chris@0 303 DLSYM(libraryHandle, "dssi_descriptor");
Chris@0 304
Chris@0 305 if (!fn) {
Chris@843 306 cerr << "WARNING: DSSIPluginFactory::discoverPlugins: No descriptor function in " << soname << endl;
Chris@0 307 return;
Chris@0 308 }
Chris@0 309
Chris@0 310 const DSSI_Descriptor *descriptor = 0;
Chris@0 311
Chris@0 312 int index = 0;
Chris@0 313 while ((descriptor = fn(index))) {
Chris@0 314
Chris@0 315 const LADSPA_Descriptor *ladspaDescriptor = descriptor->LADSPA_Plugin;
Chris@0 316 if (!ladspaDescriptor) {
Chris@843 317 cerr << "WARNING: DSSIPluginFactory::discoverPlugins: No LADSPA descriptor for plugin " << index << " in " << soname << endl;
Chris@0 318 ++index;
Chris@0 319 continue;
Chris@0 320 }
Chris@0 321
Chris@60 322 RealTimePluginDescriptor *rtd = new RealTimePluginDescriptor;
Chris@60 323 rtd->name = ladspaDescriptor->Name;
Chris@60 324 rtd->label = ladspaDescriptor->Label;
Chris@60 325 rtd->maker = ladspaDescriptor->Maker;
Chris@60 326 rtd->copyright = ladspaDescriptor->Copyright;
Chris@60 327 rtd->category = "";
Chris@60 328 rtd->isSynth = (descriptor->run_synth ||
Chris@60 329 descriptor->run_multiple_synths);
Chris@60 330 rtd->parameterCount = 0;
Chris@60 331 rtd->audioInputPortCount = 0;
Chris@166 332 rtd->audioOutputPortCount = 0;
Chris@60 333 rtd->controlOutputPortCount = 0;
Chris@60 334
Chris@165 335 QString identifier = PluginIdentifier::createIdentifier
Chris@165 336 ("dssi", soname, ladspaDescriptor->Label);
Chris@165 337
Chris@35 338 #ifdef HAVE_LRDF
Chris@0 339 char *def_uri = 0;
Chris@0 340 lrdf_defaults *defs = 0;
Chris@0 341
Chris@165 342 QString category = m_taxonomy[identifier];
Chris@165 343
Chris@166 344 if (category == "" && m_lrdfTaxonomy[ladspaDescriptor->UniqueID] != "") {
Chris@166 345 m_taxonomy[identifier] = m_lrdfTaxonomy[ladspaDescriptor->UniqueID];
Chris@165 346 category = m_taxonomy[identifier];
Chris@165 347 }
Chris@0 348
Chris@973 349 if (category == "") {
Chris@973 350 std::string name = rtd->name;
Chris@0 351 if (name.length() > 4 &&
Chris@0 352 name.substr(name.length() - 4) == " VST") {
Chris@0 353 if (descriptor->run_synth || descriptor->run_multiple_synths) {
Chris@0 354 category = "VST instruments";
Chris@0 355 } else {
Chris@0 356 category = "VST effects";
Chris@0 357 }
Chris@165 358 m_taxonomy[identifier] = category;
Chris@0 359 }
Chris@0 360 }
Chris@60 361
Chris@60 362 rtd->category = category.toStdString();
Chris@0 363
Chris@843 364 // cerr << "Plugin id is " << ladspaDescriptor->UniqueID
Chris@844 365 // << ", identifier is \"" << identifier
Chris@844 366 // << "\", category is \"" << category
Chris@167 367 // << "\", name is " << ladspaDescriptor->Name
Chris@167 368 // << ", label is " << ladspaDescriptor->Label
Chris@843 369 // << endl;
Chris@0 370
Chris@0 371 def_uri = lrdf_get_default_uri(ladspaDescriptor->UniqueID);
Chris@0 372 if (def_uri) {
Chris@0 373 defs = lrdf_get_setting_values(def_uri);
Chris@0 374 }
Chris@0 375
Chris@259 376 unsigned int controlPortNumber = 1;
Chris@0 377
Chris@1038 378 for (int i = 0; i < (int)ladspaDescriptor->PortCount; i++) {
Chris@0 379
Chris@0 380 if (LADSPA_IS_PORT_CONTROL(ladspaDescriptor->PortDescriptors[i])) {
Chris@0 381
Chris@0 382 if (def_uri && defs) {
Chris@0 383
Chris@1038 384 for (int j = 0; j < (int)defs->count; j++) {
Chris@0 385 if (defs->items[j].pid == controlPortNumber) {
Chris@843 386 // 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 " << ladspaDescriptor->PortNames[i] << endl;
Chris@0 387 m_portDefaults[ladspaDescriptor->UniqueID][i] =
Chris@0 388 defs->items[j].value;
Chris@0 389 }
Chris@0 390 }
Chris@0 391 }
Chris@0 392
Chris@0 393 ++controlPortNumber;
Chris@0 394 }
Chris@0 395 }
Chris@35 396 #endif // HAVE_LRDF
Chris@0 397
Chris@60 398 for (unsigned long i = 0; i < ladspaDescriptor->PortCount; i++) {
Chris@60 399 if (LADSPA_IS_PORT_CONTROL(ladspaDescriptor->PortDescriptors[i])) {
Chris@60 400 if (LADSPA_IS_PORT_INPUT(ladspaDescriptor->PortDescriptors[i])) {
Chris@60 401 ++rtd->parameterCount;
Chris@60 402 } else {
Chris@60 403 if (strcmp(ladspaDescriptor->PortNames[i], "latency") &&
Chris@60 404 strcmp(ladspaDescriptor->PortNames[i], "_latency")) {
Chris@60 405 ++rtd->controlOutputPortCount;
Chris@60 406 rtd->controlOutputPortNames.push_back
Chris@60 407 (ladspaDescriptor->PortNames[i]);
Chris@60 408 }
Chris@60 409 }
Chris@60 410 } else {
Chris@60 411 if (LADSPA_IS_PORT_INPUT(ladspaDescriptor->PortDescriptors[i])) {
Chris@60 412 ++rtd->audioInputPortCount;
Chris@166 413 } else if (LADSPA_IS_PORT_OUTPUT(ladspaDescriptor->PortDescriptors[i])) {
Chris@166 414 ++rtd->audioOutputPortCount;
Chris@60 415 }
Chris@60 416 }
Chris@60 417 }
Chris@60 418
Chris@0 419 m_identifiers.push_back(identifier);
Chris@0 420
Chris@60 421 m_rtDescriptors[identifier] = rtd;
Chris@60 422
Chris@0 423 ++index;
Chris@0 424 }
Chris@0 425
Chris@0 426 if (DLCLOSE(libraryHandle) != 0) {
Chris@843 427 cerr << "WARNING: DSSIPluginFactory::discoverPlugins - can't unload " << libraryHandle << endl;
Chris@0 428 return;
Chris@0 429 }
Chris@0 430 }
Chris@0 431
Chris@0 432
Chris@0 433