annotate src/vamp-hostsdk/PluginHostAdapter.cpp @ 433:f8a3bd2d86cb

Emscripten Makefile -- not done yet. Also need to factorise out all these common lists of source files.
author Chris Cannam
date Wed, 18 May 2016 16:15:09 +0100
parents 35fa4733bc5d
children abdf03252c8a
rev   line source
cannam@1 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
cannam@1 2
cannam@1 3 /*
cannam@1 4 Vamp
cannam@1 5
cannam@1 6 An API for audio analysis and feature extraction plugins.
cannam@1 7
cannam@1 8 Centre for Digital Music, Queen Mary, University of London.
cannam@1 9 Copyright 2006 Chris Cannam.
cannam@1 10
cannam@1 11 Permission is hereby granted, free of charge, to any person
cannam@1 12 obtaining a copy of this software and associated documentation
cannam@1 13 files (the "Software"), to deal in the Software without
cannam@1 14 restriction, including without limitation the rights to use, copy,
cannam@1 15 modify, merge, publish, distribute, sublicense, and/or sell copies
cannam@1 16 of the Software, and to permit persons to whom the Software is
cannam@1 17 furnished to do so, subject to the following conditions:
cannam@1 18
cannam@1 19 The above copyright notice and this permission notice shall be
cannam@1 20 included in all copies or substantial portions of the Software.
cannam@1 21
cannam@1 22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
cannam@1 23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
cannam@1 24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
cannam@6 25 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
cannam@1 26 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
cannam@1 27 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
cannam@1 28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cannam@1 29
cannam@1 30 Except as contained in this notice, the names of the Centre for
cannam@1 31 Digital Music; Queen Mary, University of London; and Chris Cannam
cannam@1 32 shall not be used in advertising or otherwise to promote the sale,
cannam@1 33 use or other dealings in this Software without prior written
cannam@1 34 authorization.
cannam@1 35 */
cannam@1 36
cannam@230 37 #include <vamp-hostsdk/PluginHostAdapter.h>
cannam@130 38 #include <cstdlib>
cannam@1 39
Chris@410 40 #if ( VAMP_SDK_MAJOR_VERSION != 2 || VAMP_SDK_MINOR_VERSION != 6 )
cannam@308 41 #error Unexpected version of Vamp SDK header included
cannam@234 42 #endif
cannam@234 43
cannam@263 44 _VAMP_SDK_HOSTSPACE_BEGIN(PluginHostAdapter.cpp)
cannam@263 45
cannam@1 46 namespace Vamp
cannam@1 47 {
cannam@1 48
cannam@1 49 PluginHostAdapter::PluginHostAdapter(const VampPluginDescriptor *descriptor,
cannam@1 50 float inputSampleRate) :
cannam@1 51 Plugin(inputSampleRate),
cannam@1 52 m_descriptor(descriptor)
cannam@1 53 {
cannam@15 54 // std::cerr << "PluginHostAdapter::PluginHostAdapter (plugin = " << descriptor->name << ")" << std::endl;
cannam@1 55 m_handle = m_descriptor->instantiate(m_descriptor, inputSampleRate);
cannam@15 56 if (!m_handle) {
cannam@15 57 // std::cerr << "WARNING: PluginHostAdapter: Plugin instantiation failed for plugin " << m_descriptor->name << std::endl;
cannam@15 58 }
cannam@1 59 }
cannam@1 60
cannam@1 61 PluginHostAdapter::~PluginHostAdapter()
cannam@1 62 {
cannam@15 63 // std::cerr << "PluginHostAdapter::~PluginHostAdapter (plugin = " << m_descriptor->name << ")" << std::endl;
cannam@1 64 if (m_handle) m_descriptor->cleanup(m_handle);
cannam@1 65 }
cannam@1 66
cannam@32 67 std::vector<std::string>
cannam@32 68 PluginHostAdapter::getPluginPath()
cannam@32 69 {
cannam@32 70 std::vector<std::string> path;
cannam@32 71 std::string envPath;
cannam@32 72
cannam@32 73 char *cpath = getenv("VAMP_PATH");
cannam@32 74 if (cpath) envPath = cpath;
cannam@32 75
cannam@32 76 #ifdef _WIN32
cannam@32 77 #define PATH_SEPARATOR ';'
cannam@32 78 #define DEFAULT_VAMP_PATH "%ProgramFiles%\\Vamp Plugins"
cannam@32 79 #else
cannam@32 80 #define PATH_SEPARATOR ':'
cannam@32 81 #ifdef __APPLE__
cannam@35 82 #define DEFAULT_VAMP_PATH "$HOME/Library/Audio/Plug-Ins/Vamp:/Library/Audio/Plug-Ins/Vamp"
cannam@32 83 #else
cannam@35 84 #define DEFAULT_VAMP_PATH "$HOME/vamp:$HOME/.vamp:/usr/local/lib/vamp:/usr/lib/vamp"
cannam@32 85 #endif
cannam@32 86 #endif
cannam@32 87
cannam@32 88 if (envPath == "") {
cannam@32 89 envPath = DEFAULT_VAMP_PATH;
cannam@32 90 char *chome = getenv("HOME");
cannam@32 91 if (chome) {
cannam@32 92 std::string home(chome);
cannam@32 93 std::string::size_type f;
cannam@32 94 while ((f = envPath.find("$HOME")) != std::string::npos &&
cannam@32 95 f < envPath.length()) {
cannam@32 96 envPath.replace(f, 5, home);
cannam@32 97 }
cannam@32 98 }
cannam@32 99 #ifdef _WIN32
cannam@32 100 char *cpfiles = getenv("ProgramFiles");
cannam@259 101 if (!cpfiles) cpfiles = (char *)"C:\\Program Files";
cannam@32 102 std::string pfiles(cpfiles);
cannam@32 103 std::string::size_type f;
cannam@32 104 while ((f = envPath.find("%ProgramFiles%")) != std::string::npos &&
cannam@32 105 f < envPath.length()) {
cannam@32 106 envPath.replace(f, 14, pfiles);
cannam@32 107 }
cannam@32 108 #endif
cannam@32 109 }
cannam@32 110
cannam@32 111 std::string::size_type index = 0, newindex = 0;
cannam@32 112
cannam@32 113 while ((newindex = envPath.find(PATH_SEPARATOR, index)) < envPath.size()) {
cannam@32 114 path.push_back(envPath.substr(index, newindex - index));
cannam@32 115 index = newindex + 1;
cannam@32 116 }
cannam@32 117
cannam@32 118 path.push_back(envPath.substr(index));
cannam@32 119
cannam@32 120 return path;
cannam@32 121 }
cannam@32 122
cannam@1 123 bool
cannam@1 124 PluginHostAdapter::initialise(size_t channels,
cannam@1 125 size_t stepSize,
cannam@1 126 size_t blockSize)
cannam@1 127 {
cannam@1 128 if (!m_handle) return false;
Chris@421 129 return m_descriptor->initialise
Chris@421 130 (m_handle,
Chris@421 131 (unsigned int)channels,
Chris@421 132 (unsigned int)stepSize,
Chris@421 133 (unsigned int)blockSize) ?
cannam@1 134 true : false;
cannam@1 135 }
cannam@1 136
cannam@1 137 void
cannam@1 138 PluginHostAdapter::reset()
cannam@1 139 {
cannam@197 140 if (!m_handle) {
cannam@197 141 // std::cerr << "PluginHostAdapter::reset: no handle" << std::endl;
cannam@197 142 return;
cannam@197 143 }
cannam@197 144 // std::cerr << "PluginHostAdapter::reset(" << m_handle << ")" << std::endl;
cannam@1 145 m_descriptor->reset(m_handle);
cannam@1 146 }
cannam@1 147
cannam@1 148 PluginHostAdapter::InputDomain
cannam@1 149 PluginHostAdapter::getInputDomain() const
cannam@1 150 {
cannam@1 151 if (m_descriptor->inputDomain == vampFrequencyDomain) {
cannam@1 152 return FrequencyDomain;
cannam@1 153 } else {
cannam@1 154 return TimeDomain;
cannam@1 155 }
cannam@1 156 }
cannam@1 157
cannam@50 158 unsigned int
cannam@50 159 PluginHostAdapter::getVampApiVersion() const
cannam@50 160 {
cannam@50 161 return m_descriptor->vampApiVersion;
cannam@50 162 }
cannam@50 163
cannam@1 164 std::string
cannam@49 165 PluginHostAdapter::getIdentifier() const
cannam@49 166 {
cannam@49 167 return m_descriptor->identifier;
cannam@49 168 }
cannam@49 169
cannam@49 170 std::string
cannam@1 171 PluginHostAdapter::getName() const
cannam@1 172 {
cannam@1 173 return m_descriptor->name;
cannam@1 174 }
cannam@1 175
cannam@1 176 std::string
cannam@1 177 PluginHostAdapter::getDescription() const
cannam@1 178 {
cannam@1 179 return m_descriptor->description;
cannam@1 180 }
cannam@1 181
cannam@1 182 std::string
cannam@1 183 PluginHostAdapter::getMaker() const
cannam@1 184 {
cannam@1 185 return m_descriptor->maker;
cannam@1 186 }
cannam@1 187
cannam@1 188 int
cannam@1 189 PluginHostAdapter::getPluginVersion() const
cannam@1 190 {
cannam@1 191 return m_descriptor->pluginVersion;
cannam@1 192 }
cannam@1 193
cannam@1 194 std::string
cannam@1 195 PluginHostAdapter::getCopyright() const
cannam@1 196 {
cannam@1 197 return m_descriptor->copyright;
cannam@1 198 }
cannam@1 199
cannam@1 200 PluginHostAdapter::ParameterList
cannam@1 201 PluginHostAdapter::getParameterDescriptors() const
cannam@1 202 {
cannam@1 203 ParameterList list;
cannam@1 204 for (unsigned int i = 0; i < m_descriptor->parameterCount; ++i) {
cannam@1 205 const VampParameterDescriptor *spd = m_descriptor->parameters[i];
cannam@1 206 ParameterDescriptor pd;
cannam@49 207 pd.identifier = spd->identifier;
cannam@1 208 pd.name = spd->name;
cannam@1 209 pd.description = spd->description;
cannam@1 210 pd.unit = spd->unit;
cannam@1 211 pd.minValue = spd->minValue;
cannam@1 212 pd.maxValue = spd->maxValue;
cannam@1 213 pd.defaultValue = spd->defaultValue;
cannam@1 214 pd.isQuantized = spd->isQuantized;
cannam@1 215 pd.quantizeStep = spd->quantizeStep;
cannam@9 216 if (pd.isQuantized && spd->valueNames) {
cannam@9 217 for (unsigned int j = 0; spd->valueNames[j]; ++j) {
cannam@9 218 pd.valueNames.push_back(spd->valueNames[j]);
cannam@9 219 }
cannam@9 220 }
cannam@1 221 list.push_back(pd);
cannam@1 222 }
cannam@1 223 return list;
cannam@1 224 }
cannam@1 225
cannam@1 226 float
cannam@1 227 PluginHostAdapter::getParameter(std::string param) const
cannam@1 228 {
cannam@1 229 if (!m_handle) return 0.0;
cannam@1 230
cannam@1 231 for (unsigned int i = 0; i < m_descriptor->parameterCount; ++i) {
cannam@49 232 if (param == m_descriptor->parameters[i]->identifier) {
cannam@1 233 return m_descriptor->getParameter(m_handle, i);
cannam@1 234 }
cannam@1 235 }
cannam@1 236
cannam@1 237 return 0.0;
cannam@1 238 }
cannam@1 239
cannam@1 240 void
cannam@1 241 PluginHostAdapter::setParameter(std::string param,
cannam@1 242 float value)
cannam@1 243 {
cannam@1 244 if (!m_handle) return;
cannam@1 245
cannam@1 246 for (unsigned int i = 0; i < m_descriptor->parameterCount; ++i) {
cannam@49 247 if (param == m_descriptor->parameters[i]->identifier) {
cannam@1 248 m_descriptor->setParameter(m_handle, i, value);
cannam@1 249 return;
cannam@1 250 }
cannam@1 251 }
cannam@1 252 }
cannam@1 253
cannam@1 254 PluginHostAdapter::ProgramList
cannam@1 255 PluginHostAdapter::getPrograms() const
cannam@1 256 {
cannam@1 257 ProgramList list;
cannam@1 258
cannam@1 259 for (unsigned int i = 0; i < m_descriptor->programCount; ++i) {
cannam@1 260 list.push_back(m_descriptor->programs[i]);
cannam@1 261 }
cannam@1 262
cannam@1 263 return list;
cannam@1 264 }
cannam@1 265
cannam@1 266 std::string
cannam@1 267 PluginHostAdapter::getCurrentProgram() const
cannam@1 268 {
cannam@1 269 if (!m_handle) return "";
cannam@1 270
cannam@1 271 int pn = m_descriptor->getCurrentProgram(m_handle);
Chris@345 272 if (pn < (int)m_descriptor->programCount) {
Chris@345 273 return m_descriptor->programs[pn];
Chris@345 274 } else {
Chris@345 275 return "";
Chris@345 276 }
cannam@1 277 }
cannam@1 278
cannam@1 279 void
cannam@1 280 PluginHostAdapter::selectProgram(std::string program)
cannam@1 281 {
cannam@1 282 if (!m_handle) return;
cannam@1 283
cannam@1 284 for (unsigned int i = 0; i < m_descriptor->programCount; ++i) {
cannam@1 285 if (program == m_descriptor->programs[i]) {
cannam@1 286 m_descriptor->selectProgram(m_handle, i);
cannam@1 287 return;
cannam@1 288 }
cannam@1 289 }
cannam@1 290 }
cannam@1 291
cannam@1 292 size_t
cannam@1 293 PluginHostAdapter::getPreferredStepSize() const
cannam@1 294 {
cannam@1 295 if (!m_handle) return 0;
cannam@1 296 return m_descriptor->getPreferredStepSize(m_handle);
cannam@1 297 }
cannam@1 298
cannam@1 299 size_t
cannam@1 300 PluginHostAdapter::getPreferredBlockSize() const
cannam@1 301 {
cannam@1 302 if (!m_handle) return 0;
cannam@1 303 return m_descriptor->getPreferredBlockSize(m_handle);
cannam@1 304 }
cannam@1 305
cannam@26 306 size_t
cannam@26 307 PluginHostAdapter::getMinChannelCount() const
cannam@26 308 {
cannam@26 309 if (!m_handle) return 0;
cannam@26 310 return m_descriptor->getMinChannelCount(m_handle);
cannam@26 311 }
cannam@26 312
cannam@26 313 size_t
cannam@26 314 PluginHostAdapter::getMaxChannelCount() const
cannam@26 315 {
cannam@26 316 if (!m_handle) return 0;
cannam@26 317 return m_descriptor->getMaxChannelCount(m_handle);
cannam@26 318 }
cannam@26 319
cannam@1 320 PluginHostAdapter::OutputList
cannam@1 321 PluginHostAdapter::getOutputDescriptors() const
cannam@1 322 {
cannam@1 323 OutputList list;
cannam@15 324 if (!m_handle) {
cannam@15 325 // std::cerr << "PluginHostAdapter::getOutputDescriptors: no handle " << std::endl;
cannam@15 326 return list;
cannam@15 327 }
cannam@1 328
cannam@1 329 unsigned int count = m_descriptor->getOutputCount(m_handle);
cannam@1 330
cannam@1 331 for (unsigned int i = 0; i < count; ++i) {
cannam@1 332 VampOutputDescriptor *sd = m_descriptor->getOutputDescriptor(m_handle, i);
cannam@1 333 OutputDescriptor d;
cannam@49 334 d.identifier = sd->identifier;
cannam@1 335 d.name = sd->name;
cannam@1 336 d.description = sd->description;
cannam@1 337 d.unit = sd->unit;
cannam@9 338 d.hasFixedBinCount = sd->hasFixedBinCount;
cannam@9 339 d.binCount = sd->binCount;
cannam@240 340 if (d.hasFixedBinCount && sd->binNames) {
cannam@9 341 for (unsigned int j = 0; j < sd->binCount; ++j) {
cannam@9 342 d.binNames.push_back(sd->binNames[j] ? sd->binNames[j] : "");
cannam@9 343 }
cannam@1 344 }
cannam@1 345 d.hasKnownExtents = sd->hasKnownExtents;
cannam@1 346 d.minValue = sd->minValue;
cannam@1 347 d.maxValue = sd->maxValue;
cannam@1 348 d.isQuantized = sd->isQuantized;
cannam@1 349 d.quantizeStep = sd->quantizeStep;
cannam@1 350
cannam@1 351 switch (sd->sampleType) {
cannam@1 352 case vampOneSamplePerStep:
cannam@1 353 d.sampleType = OutputDescriptor::OneSamplePerStep; break;
cannam@1 354 case vampFixedSampleRate:
cannam@1 355 d.sampleType = OutputDescriptor::FixedSampleRate; break;
cannam@1 356 case vampVariableSampleRate:
cannam@1 357 d.sampleType = OutputDescriptor::VariableSampleRate; break;
cannam@1 358 }
cannam@1 359
cannam@1 360 d.sampleRate = sd->sampleRate;
cannam@1 361
cannam@192 362 if (m_descriptor->vampApiVersion >= 2) {
cannam@192 363 d.hasDuration = sd->hasDuration;
cannam@192 364 } else {
cannam@192 365 d.hasDuration = false;
cannam@192 366 }
cannam@192 367
cannam@1 368 list.push_back(d);
cannam@1 369
cannam@1 370 m_descriptor->releaseOutputDescriptor(sd);
cannam@1 371 }
cannam@1 372
cannam@1 373 return list;
cannam@1 374 }
cannam@1 375
cannam@1 376 PluginHostAdapter::FeatureSet
cannam@47 377 PluginHostAdapter::process(const float *const *inputBuffers,
cannam@47 378 RealTime timestamp)
cannam@1 379 {
cannam@1 380 FeatureSet fs;
cannam@1 381 if (!m_handle) return fs;
cannam@1 382
cannam@1 383 int sec = timestamp.sec;
cannam@1 384 int nsec = timestamp.nsec;
cannam@1 385
cannam@12 386 VampFeatureList *features = m_descriptor->process(m_handle,
cannam@1 387 inputBuffers,
cannam@1 388 sec, nsec);
cannam@1 389
cannam@1 390 convertFeatures(features, fs);
cannam@1 391 m_descriptor->releaseFeatureSet(features);
cannam@1 392 return fs;
cannam@1 393 }
cannam@1 394
cannam@1 395 PluginHostAdapter::FeatureSet
cannam@1 396 PluginHostAdapter::getRemainingFeatures()
cannam@1 397 {
cannam@1 398 FeatureSet fs;
cannam@1 399 if (!m_handle) return fs;
cannam@1 400
cannam@12 401 VampFeatureList *features = m_descriptor->getRemainingFeatures(m_handle);
cannam@1 402
cannam@1 403 convertFeatures(features, fs);
cannam@1 404 m_descriptor->releaseFeatureSet(features);
cannam@1 405 return fs;
cannam@1 406 }
cannam@1 407
cannam@1 408 void
cannam@12 409 PluginHostAdapter::convertFeatures(VampFeatureList *features,
cannam@1 410 FeatureSet &fs)
cannam@1 411 {
cannam@7 412 if (!features) return;
cannam@7 413
cannam@12 414 unsigned int outputs = m_descriptor->getOutputCount(m_handle);
cannam@12 415
cannam@12 416 for (unsigned int i = 0; i < outputs; ++i) {
cannam@1 417
cannam@12 418 VampFeatureList &list = features[i];
cannam@1 419
cannam@1 420 if (list.featureCount > 0) {
cannam@1 421
cannam@108 422 Feature feature;
cannam@168 423 feature.values.reserve(list.features[0].v1.valueCount);
cannam@108 424
cannam@1 425 for (unsigned int j = 0; j < list.featureCount; ++j) {
cannam@108 426
cannam@168 427 feature.hasTimestamp = list.features[j].v1.hasTimestamp;
cannam@168 428 feature.timestamp = RealTime(list.features[j].v1.sec,
cannam@168 429 list.features[j].v1.nsec);
cannam@168 430 feature.hasDuration = false;
cannam@1 431
cannam@167 432 if (m_descriptor->vampApiVersion >= 2) {
cannam@168 433 unsigned int j2 = j + list.featureCount;
cannam@168 434 feature.hasDuration = list.features[j2].v2.hasDuration;
cannam@168 435 feature.duration = RealTime(list.features[j2].v2.durationSec,
cannam@168 436 list.features[j2].v2.durationNsec);
cannam@167 437 }
cannam@167 438
cannam@168 439 for (unsigned int k = 0; k < list.features[j].v1.valueCount; ++k) {
cannam@168 440 feature.values.push_back(list.features[j].v1.values[k]);
cannam@1 441 }
cannam@7 442
cannam@168 443 if (list.features[j].v1.label) {
cannam@168 444 feature.label = list.features[j].v1.label;
cannam@7 445 }
cannam@1 446
cannam@1 447 fs[i].push_back(feature);
cannam@108 448
cannam@168 449 if (list.features[j].v1.valueCount > 0) {
cannam@108 450 feature.values.clear();
cannam@108 451 }
cannam@108 452
cannam@168 453 if (list.features[j].v1.label) {
cannam@108 454 feature.label = "";
cannam@108 455 }
cannam@1 456 }
cannam@1 457 }
cannam@1 458 }
cannam@1 459 }
cannam@1 460
cannam@1 461 }
cannam@263 462
cannam@263 463 _VAMP_SDK_HOSTSPACE_END(PluginHostAdapter.cpp)
cannam@263 464