annotate rdf/RDFFeatureWriter.cpp @ 519:21f86744d38e sv-v1.4

...
author Chris Cannam
date Thu, 11 Dec 2008 12:37:16 +0000
parents 06a6612e7cf1
children 1d3fc01edc03
rev   line source
Chris@498 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@498 2
Chris@498 3 /*
Chris@498 4 Sonic Annotator
Chris@498 5 A utility for batch feature extraction from audio files.
Chris@498 6 Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
Chris@498 7 Copyright 2007-2008 QMUL.
Chris@498 8
Chris@498 9 This program is free software; you can redistribute it and/or
Chris@498 10 modify it under the terms of the GNU General Public License as
Chris@498 11 published by the Free Software Foundation; either version 2 of the
Chris@498 12 License, or (at your option) any later version. See the file
Chris@498 13 COPYING included with this distribution for more information.
Chris@498 14 */
Chris@498 15
Chris@498 16 #include <fstream>
Chris@498 17
Chris@498 18 #include "vamp-hostsdk/PluginHostAdapter.h"
Chris@498 19 #include "vamp-hostsdk/PluginLoader.h"
Chris@498 20
Chris@498 21 #include "RDFFeatureWriter.h"
Chris@498 22 #include "RDFTransformFactory.h"
Chris@498 23
Chris@498 24 #include <QTextStream>
Chris@498 25 #include <QUrl>
Chris@508 26 #include <QFileInfo>
Chris@498 27 #include <QRegExp>
Chris@498 28
Chris@498 29 using namespace std;
Chris@498 30 using Vamp::Plugin;
Chris@498 31 using Vamp::PluginBase;
Chris@498 32
Chris@498 33 RDFFeatureWriter::RDFFeatureWriter() :
Chris@498 34 FileFeatureWriter(SupportOneFilePerTrackTransform |
Chris@498 35 SupportOneFilePerTrack |
Chris@498 36 SupportOneFileTotal,
Chris@498 37 "n3"),
Chris@498 38 m_plain(false),
Chris@498 39 m_count(0)
Chris@498 40 {
Chris@498 41 }
Chris@498 42
Chris@498 43 RDFFeatureWriter::~RDFFeatureWriter()
Chris@498 44 {
Chris@498 45 }
Chris@498 46
Chris@498 47 RDFFeatureWriter::ParameterList
Chris@498 48 RDFFeatureWriter::getSupportedParameters() const
Chris@498 49 {
Chris@498 50 ParameterList pl = FileFeatureWriter::getSupportedParameters();
Chris@498 51 Parameter p;
Chris@498 52
Chris@498 53 p.name = "plain";
Chris@498 54 p.description = "Use \"plain\" RDF even if transform metadata is available.";
Chris@498 55 p.hasArg = false;
Chris@498 56 pl.push_back(p);
Chris@498 57
Chris@498 58 p.name = "signal-uri";
Chris@498 59 p.description = "Link the output RDF to the given signal URI.";
Chris@498 60 p.hasArg = true;
Chris@498 61 pl.push_back(p);
Chris@498 62
Chris@498 63 return pl;
Chris@498 64 }
Chris@498 65
Chris@498 66 void
Chris@498 67 RDFFeatureWriter::setParameters(map<string, string> &params)
Chris@498 68 {
Chris@498 69 FileFeatureWriter::setParameters(params);
Chris@498 70
Chris@498 71 for (map<string, string>::iterator i = params.begin();
Chris@498 72 i != params.end(); ++i) {
Chris@498 73 if (i->first == "plain") {
Chris@498 74 m_plain = true;
Chris@498 75 }
Chris@498 76 if (i->first == "signal-uri") {
Chris@498 77 m_suri = i->second.c_str();
Chris@498 78 }
Chris@498 79 }
Chris@498 80 }
Chris@498 81
Chris@504 82 void
Chris@504 83 RDFFeatureWriter::setTrackMetadata(QString trackId,
Chris@504 84 TrackMetadata metadata)
Chris@504 85 {
Chris@504 86 m_metadata[trackId] = metadata;
Chris@504 87 }
Chris@504 88
Chris@504 89 void
Chris@510 90 RDFFeatureWriter::setFixedEventTypeURI(QString uri)
Chris@510 91 {
Chris@510 92 m_fixedEventTypeURI = uri;
Chris@510 93 }
Chris@510 94
Chris@510 95 void
Chris@504 96 RDFFeatureWriter::write(QString trackId,
Chris@504 97 const Transform &transform,
Chris@504 98 const Plugin::OutputDescriptor& output,
Chris@504 99 const Plugin::FeatureList& features,
Chris@504 100 std::string summaryType)
Chris@498 101 {
Chris@498 102 QString pluginId = transform.getPluginIdentifier();
Chris@498 103
Chris@498 104 if (m_rdfDescriptions.find(pluginId) == m_rdfDescriptions.end()) {
Chris@498 105
Chris@498 106 m_rdfDescriptions[pluginId] = PluginRDFDescription(pluginId);
Chris@498 107
Chris@498 108 if (m_rdfDescriptions[pluginId].haveDescription()) {
Chris@498 109 cerr << "NOTE: Have RDF description for plugin ID \""
Chris@498 110 << pluginId.toStdString() << "\"" << endl;
Chris@498 111 } else {
Chris@498 112 cerr << "NOTE: Do not have RDF description for plugin ID \""
Chris@498 113 << pluginId.toStdString() << "\"" << endl;
Chris@498 114 }
Chris@498 115 }
Chris@498 116
Chris@498 117 // Need to select appropriate output file for our track/transform
Chris@498 118 // combination
Chris@498 119
Chris@498 120 QTextStream *stream = getOutputStream(trackId, transform.getIdentifier());
Chris@512 121 if (!stream) {
Chris@512 122 std::cerr << "RDFFeatureWriter::write: ERROR: No output stream for track id \""
Chris@512 123 << trackId.toStdString() << "\" and transform \""
Chris@512 124 << transform.getIdentifier().toStdString() << "\"" << std::endl;
Chris@513 125 exit(1);
Chris@512 126 }
Chris@498 127
Chris@498 128 if (m_startedStreamTransforms.find(stream) ==
Chris@498 129 m_startedStreamTransforms.end()) {
Chris@512 130 // cerr << "This stream is new, writing prefixes" << endl;
Chris@498 131 writePrefixes(stream);
Chris@498 132 if (m_singleFileName == "" && !m_stdout) {
Chris@498 133 writeSignalDescription(stream, trackId);
Chris@498 134 }
Chris@498 135 }
Chris@498 136
Chris@498 137 if (m_startedStreamTransforms[stream].find(transform) ==
Chris@498 138 m_startedStreamTransforms[stream].end()) {
Chris@498 139 m_startedStreamTransforms[stream].insert(transform);
Chris@498 140 writeLocalFeatureTypes
Chris@498 141 (stream, transform, output, m_rdfDescriptions[pluginId]);
Chris@498 142 }
Chris@498 143
Chris@498 144 if (m_singleFileName != "" || m_stdout) {
Chris@498 145 if (m_startedTrackIds.find(trackId) == m_startedTrackIds.end()) {
Chris@498 146 writeSignalDescription(stream, trackId);
Chris@498 147 m_startedTrackIds.insert(trackId);
Chris@498 148 }
Chris@498 149 }
Chris@498 150
Chris@498 151 QString timelineURI = m_trackTimelineURIs[trackId];
Chris@498 152
Chris@498 153 if (timelineURI == "") {
Chris@498 154 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing features without having established a timeline URI!" << endl;
Chris@498 155 exit(1);
Chris@498 156 }
Chris@498 157
Chris@498 158 if (summaryType != "") {
Chris@498 159
Chris@498 160 writeSparseRDF(stream, transform, output, features,
Chris@498 161 m_rdfDescriptions[pluginId], timelineURI);
Chris@498 162
Chris@498 163 } else if (m_rdfDescriptions[pluginId].haveDescription() &&
Chris@498 164 m_rdfDescriptions[pluginId].getOutputDisposition
Chris@498 165 (output.identifier.c_str()) ==
Chris@498 166 PluginRDFDescription::OutputDense) {
Chris@498 167
Chris@498 168 QString signalURI = m_trackSignalURIs[trackId];
Chris@498 169
Chris@498 170 if (signalURI == "") {
Chris@498 171 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having established a signal URI!" << endl;
Chris@498 172 exit(1);
Chris@498 173 }
Chris@498 174
Chris@498 175 writeDenseRDF(stream, transform, output, features,
Chris@498 176 m_rdfDescriptions[pluginId], signalURI, timelineURI);
Chris@498 177
Chris@507 178 } else if (!m_plain &&
Chris@507 179 m_rdfDescriptions[pluginId].haveDescription() &&
Chris@507 180 m_rdfDescriptions[pluginId].getOutputDisposition
Chris@507 181 (output.identifier.c_str()) ==
Chris@507 182 PluginRDFDescription::OutputTrackLevel &&
Chris@507 183 m_rdfDescriptions[pluginId].getOutputFeatureAttributeURI
Chris@507 184 (output.identifier.c_str()) != "") {
Chris@507 185
Chris@507 186 QString signalURI = m_trackSignalURIs[trackId];
Chris@507 187
Chris@507 188 if (signalURI == "") {
Chris@507 189 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing track-level features without having established a signal URI!" << endl;
Chris@507 190 exit(1);
Chris@507 191 }
Chris@507 192
Chris@507 193 writeTrackLevelRDF(stream, transform, output, features,
Chris@507 194 m_rdfDescriptions[pluginId], signalURI);
Chris@507 195
Chris@498 196 } else {
Chris@498 197
Chris@498 198 writeSparseRDF(stream, transform, output, features,
Chris@498 199 m_rdfDescriptions[pluginId], timelineURI);
Chris@498 200 }
Chris@498 201 }
Chris@498 202
Chris@498 203 void
Chris@498 204 RDFFeatureWriter::writePrefixes(QTextStream *sptr)
Chris@498 205 {
Chris@498 206 QTextStream &stream = *sptr;
Chris@498 207
Chris@498 208 stream << "@prefix dc: <http://purl.org/dc/elements/1.1/> .\n"
Chris@498 209 << "@prefix mo: <http://purl.org/ontology/mo/> .\n"
Chris@498 210 << "@prefix af: <http://purl.org/ontology/af/> .\n"
Chris@504 211 << "@prefix foaf: <http://xmlns.com/foaf/0.1/> . \n"
Chris@498 212 << "@prefix event: <http://purl.org/NET/c4dm/event.owl#> .\n"
Chris@498 213 << "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n"
Chris@498 214 << "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n"
Chris@498 215 << "@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .\n"
Chris@498 216 << "@prefix tl: <http://purl.org/NET/c4dm/timeline.owl#> .\n"
Chris@498 217 << "@prefix vamp: <http://purl.org/ontology/vamp/> .\n"
Chris@498 218 << "@prefix : <#> .\n\n";
Chris@498 219 }
Chris@498 220
Chris@498 221 void
Chris@498 222 RDFFeatureWriter::writeSignalDescription(QTextStream *sptr,
Chris@498 223 QString trackId)
Chris@498 224 {
Chris@498 225 QTextStream &stream = *sptr;
Chris@498 226
Chris@498 227 /*
Chris@498 228 * Describe signal we're analysing (AudioFile, Signal, TimeLine, etc.)
Chris@498 229 */
Chris@498 230
Chris@498 231 QUrl url(trackId);
Chris@498 232 QString scheme = url.scheme().toLower();
Chris@498 233 bool local = (scheme == "" || scheme == "file" || scheme.length() == 1);
Chris@498 234
Chris@498 235 if (local) {
Chris@498 236 if (scheme == "") {
Chris@498 237 url.setScheme("file");
Chris@508 238 url.setPath(QFileInfo(url.path()).absoluteFilePath());
Chris@498 239 } else if (scheme.length() == 1) { // DOS drive letter!
Chris@498 240 url.setScheme("file");
Chris@498 241 url.setPath(scheme + ":" + url.path());
Chris@498 242 }
Chris@498 243 }
Chris@498 244
Chris@498 245 //!!! FIX: If we are appending, we need to start counting after
Chris@498 246 //all of the existing counts that are already in the file!
Chris@498 247
Chris@498 248 uint64_t signalCount = m_count++;
Chris@498 249
Chris@498 250 if (m_trackSignalURIs.find(trackId) == m_trackSignalURIs.end()) {
Chris@498 251 m_trackSignalURIs[trackId] = QString(":signal_%1").arg(signalCount);
Chris@498 252 }
Chris@498 253
Chris@498 254 if (m_suri != NULL) {
Chris@498 255 m_trackSignalURIs[trackId] = "<" + m_suri + ">";
Chris@498 256 }
Chris@498 257 QString signalURI = m_trackSignalURIs[trackId];
Chris@498 258
Chris@498 259 if (m_trackTimelineURIs.find(trackId) == m_trackTimelineURIs.end()) {
Chris@498 260 m_trackTimelineURIs[trackId] = QString(":signal_timeline_%1").arg(signalCount);
Chris@498 261 }
Chris@498 262 QString timelineURI = m_trackTimelineURIs[trackId];
Chris@498 263
Chris@500 264 if (trackId != "") {
Chris@500 265 stream << "\n<" << url.toEncoded().data() << "> a mo:AudioFile .\n\n";
Chris@500 266 }
Chris@500 267
Chris@500 268 stream << signalURI << " a mo:Signal ;\n";
Chris@500 269
Chris@500 270 if (trackId != "") {
Chris@500 271 stream << " mo:available_as <" << url.toEncoded().data()
Chris@500 272 << "> ;\n";
Chris@500 273 }
Chris@500 274
Chris@504 275 if (m_metadata.find(trackId) != m_metadata.end()) {
Chris@504 276 TrackMetadata tm = m_metadata[trackId];
Chris@504 277 if (tm.title != "") {
Chris@504 278 stream << " dc:title \"\"\"" << tm.title << "\"\"\" ;\n";
Chris@504 279 }
Chris@504 280 if (tm.maker != "") {
Chris@507 281 stream << " foaf:maker [ a mo:MusicArtist; foaf:name \"\"\"" << tm.maker << "\"\"\" ] ;\n";
Chris@504 282 }
Chris@504 283 }
Chris@504 284
Chris@500 285 stream << " mo:time [\n"
Chris@498 286 << " a tl:Interval ;\n"
Chris@498 287 << " tl:onTimeLine "
Chris@498 288 << timelineURI << "\n ] .\n\n";
Chris@498 289 }
Chris@498 290
Chris@498 291 void
Chris@498 292 RDFFeatureWriter::writeLocalFeatureTypes(QTextStream *sptr,
Chris@498 293 const Transform &transform,
Chris@498 294 const Plugin::OutputDescriptor &od,
Chris@498 295 PluginRDFDescription &desc)
Chris@498 296 {
Chris@498 297 QString outputId = od.identifier.c_str();
Chris@498 298 QTextStream &stream = *sptr;
Chris@498 299
Chris@507 300 // There is no "needFeatureType" for track-level outputs, because
Chris@507 301 // we can't meaningfully write a feature at all if we don't know
Chris@507 302 // what property to use for it. If the output is track level but
Chris@507 303 // there is no feature type given, we have to revert to events.
Chris@507 304
Chris@498 305 bool needEventType = false;
Chris@498 306 bool needSignalType = false;
Chris@498 307
Chris@498 308 //!!! bin names, extents and so on can be written out using e.g. vamp:bin_names ( "a" "b" "c" )
Chris@498 309
Chris@498 310 if (desc.getOutputDisposition(outputId) ==
Chris@498 311 PluginRDFDescription::OutputDense) {
Chris@498 312
Chris@498 313 // no feature events, so may need signal type but won't need
Chris@498 314 // event type
Chris@498 315
Chris@498 316 if (m_plain) {
Chris@498 317
Chris@498 318 needSignalType = true;
Chris@498 319
Chris@498 320 } else if (desc.getOutputSignalTypeURI(outputId) == "") {
Chris@498 321
Chris@498 322 needSignalType = true;
Chris@498 323 }
Chris@498 324
Chris@507 325 } else if (desc.getOutputDisposition(outputId) ==
Chris@507 326 PluginRDFDescription::OutputTrackLevel) {
Chris@507 327
Chris@507 328 // see note above -- need to generate an event type if no
Chris@507 329 // feature type given, or if in plain mode
Chris@507 330
Chris@507 331 if (m_plain) {
Chris@507 332
Chris@507 333 needEventType = true;
Chris@507 334
Chris@507 335 } else if (desc.getOutputFeatureAttributeURI(outputId) == "") {
Chris@507 336
Chris@507 337 if (desc.getOutputEventTypeURI(outputId) == "") {
Chris@507 338
Chris@507 339 needEventType = true;
Chris@507 340 }
Chris@507 341 }
Chris@507 342
Chris@498 343 } else {
Chris@498 344
Chris@498 345 // may need event type but won't need signal type
Chris@498 346
Chris@498 347 if (m_plain) {
Chris@498 348
Chris@498 349 needEventType = true;
Chris@498 350
Chris@498 351 } else if (desc.getOutputEventTypeURI(outputId) == "") {
Chris@498 352
Chris@498 353 needEventType = true;
Chris@498 354 }
Chris@498 355 }
Chris@498 356
Chris@498 357 QString transformUri;
Chris@498 358 if (m_transformURIs.find(transform) != m_transformURIs.end()) {
Chris@498 359 transformUri = m_transformURIs[transform];
Chris@498 360 } else {
Chris@498 361 transformUri = QString(":transform_%1_%2").arg(m_count++).arg(outputId);
Chris@498 362 m_transformURIs[transform] = transformUri;
Chris@498 363 }
Chris@498 364
Chris@500 365 if (transform.getIdentifier() != "") {
Chris@508 366 stream << endl
Chris@508 367 << RDFTransformFactory::writeTransformToRDF(transform, transformUri)
Chris@500 368 << endl;
Chris@500 369 }
Chris@498 370
Chris@510 371 if (needEventType && m_fixedEventTypeURI == "") {
Chris@498 372
Chris@498 373 QString uri;
Chris@498 374 if (m_syntheticEventTypeURIs.find(transform) !=
Chris@498 375 m_syntheticEventTypeURIs.end()) {
Chris@498 376 uri = m_syntheticEventTypeURIs[transform];
Chris@498 377 } else {
Chris@498 378 uri = QString(":event_type_%1").arg(m_count++);
Chris@498 379 m_syntheticEventTypeURIs[transform] = uri;
Chris@498 380 }
Chris@498 381
Chris@498 382 stream << uri
Chris@498 383 << " rdfs:subClassOf event:Event ;" << endl
Chris@498 384 << " dc:title \"" << od.name.c_str() << "\" ;" << endl
Chris@498 385 << " dc:format \"" << od.unit.c_str() << "\" ;" << endl
Chris@498 386 << " dc:description \"" << od.description.c_str() << "\" ."
Chris@498 387 << endl << endl;
Chris@498 388 }
Chris@498 389
Chris@498 390 if (needSignalType) {
Chris@498 391
Chris@498 392 QString uri;
Chris@498 393 if (m_syntheticSignalTypeURIs.find(transform) !=
Chris@498 394 m_syntheticSignalTypeURIs.end()) {
Chris@498 395 uri = m_syntheticSignalTypeURIs[transform];
Chris@498 396 } else {
Chris@498 397 uri = QString(":signal_type_%1").arg(m_count++);
Chris@498 398 m_syntheticSignalTypeURIs[transform] = uri;
Chris@498 399 }
Chris@498 400
Chris@498 401 stream << uri
Chris@498 402 << " rdfs:subClassOf af:Signal ;" << endl
Chris@498 403 << " dc:title \"" << od.name.c_str() << "\" ;" << endl
Chris@498 404 << " dc:format \"" << od.unit.c_str() << "\" ;" << endl
Chris@498 405 << " dc:description \"" << od.description.c_str() << "\" ."
Chris@498 406 << endl << endl;
Chris@498 407 }
Chris@498 408 }
Chris@498 409
Chris@498 410 void
Chris@498 411 RDFFeatureWriter::writeSparseRDF(QTextStream *sptr,
Chris@498 412 const Transform &transform,
Chris@498 413 const Plugin::OutputDescriptor& od,
Chris@498 414 const Plugin::FeatureList& featureList,
Chris@498 415 PluginRDFDescription &desc,
Chris@498 416 QString timelineURI)
Chris@498 417 {
Chris@512 418 // std::cerr << "RDFFeatureWriter::writeSparseRDF: have " << featureList.size() << " features" << std::endl;
Chris@512 419
Chris@498 420 if (featureList.empty()) return;
Chris@498 421 QTextStream &stream = *sptr;
Chris@498 422
Chris@498 423 bool plain = (m_plain || !desc.haveDescription());
Chris@498 424
Chris@498 425 QString outputId = od.identifier.c_str();
Chris@498 426
Chris@498 427 // iterate through FeatureLists
Chris@498 428
Chris@498 429 for (int i = 0; i < featureList.size(); ++i) {
Chris@498 430
Chris@498 431 const Plugin::Feature &feature = featureList[i];
Chris@498 432 uint64_t featureNumber = m_count++;
Chris@498 433
Chris@498 434 stream << ":event_" << featureNumber << " a ";
Chris@498 435
Chris@510 436 if (m_fixedEventTypeURI != "") {
Chris@510 437 stream << m_fixedEventTypeURI << " ;\n";
Chris@510 438 } else {
Chris@510 439 QString eventTypeURI = desc.getOutputEventTypeURI(outputId);
Chris@510 440 if (plain || eventTypeURI == "") {
Chris@510 441 if (m_syntheticEventTypeURIs.find(transform) !=
Chris@510 442 m_syntheticEventTypeURIs.end()) {
Chris@510 443 stream << m_syntheticEventTypeURIs[transform] << " ;\n";
Chris@510 444 } else {
Chris@510 445 stream << ":event_type_" << outputId << " ;\n";
Chris@510 446 }
Chris@498 447 } else {
Chris@510 448 stream << "<" << eventTypeURI << "> ;\n";
Chris@498 449 }
Chris@498 450 }
Chris@498 451
Chris@498 452 QString timestamp = feature.timestamp.toString().c_str();
Chris@498 453 timestamp.replace(QRegExp("^ +"), "");
Chris@498 454
Chris@498 455 if (feature.hasDuration && feature.duration > Vamp::RealTime::zeroTime) {
Chris@498 456
Chris@498 457 QString duration = feature.duration.toString().c_str();
Chris@498 458 duration.replace(QRegExp("^ +"), "");
Chris@498 459
Chris@498 460 stream << " event:time [ \n"
Chris@498 461 << " a tl:Interval ;\n"
Chris@498 462 << " tl:onTimeLine " << timelineURI << " ;\n"
Chris@498 463 << " tl:beginsAt \"PT" << timestamp
Chris@498 464 << "S\"^^xsd:duration ;\n"
Chris@498 465 << " tl:duration \"PT" << duration
Chris@498 466 << "S\"^^xsd:duration ;\n"
Chris@498 467 << " ] ";
Chris@498 468
Chris@498 469 } else {
Chris@498 470
Chris@498 471 stream << " event:time [ \n"
Chris@498 472 << " a tl:Instant ;\n" //location of the event in time
Chris@498 473 << " tl:onTimeLine " << timelineURI << " ;\n"
Chris@498 474 << " tl:at \"PT" << timestamp
Chris@498 475 << "S\"^^xsd:duration ;\n ] ";
Chris@498 476 }
Chris@498 477
Chris@500 478 if (transform.getIdentifier() != "") {
Chris@500 479 stream << ";\n";
Chris@500 480 stream << " vamp:computed_by " << m_transformURIs[transform] << " ";
Chris@500 481 }
Chris@498 482
Chris@498 483 if (feature.label.length() > 0) {
Chris@498 484 stream << ";\n";
Chris@510 485 stream << " rdfs:label \"\"\"" << feature.label.c_str() << "\"\"\" ";
Chris@498 486 }
Chris@498 487
Chris@498 488 if (!feature.values.empty()) {
Chris@498 489 stream << ";\n";
Chris@498 490 //!!! named bins?
Chris@498 491 stream << " af:feature \"" << feature.values[0];
Chris@498 492 for (int j = 1; j < feature.values.size(); ++j) {
Chris@498 493 stream << " " << feature.values[j];
Chris@498 494 }
Chris@498 495 stream << "\" ";
Chris@498 496 }
Chris@498 497
Chris@498 498 stream << ".\n";
Chris@498 499 }
Chris@498 500 }
Chris@498 501
Chris@498 502 void
Chris@507 503 RDFFeatureWriter::writeTrackLevelRDF(QTextStream *sptr,
Chris@507 504 const Transform &transform,
Chris@507 505 const Plugin::OutputDescriptor& od,
Chris@507 506 const Plugin::FeatureList& featureList,
Chris@507 507 PluginRDFDescription &desc,
Chris@507 508 QString signalURI)
Chris@507 509 {
Chris@507 510 if (featureList.empty()) return;
Chris@507 511 QTextStream &stream = *sptr;
Chris@507 512
Chris@507 513 bool plain = (m_plain || !desc.haveDescription());
Chris@507 514
Chris@507 515 QString outputId = od.identifier.c_str();
Chris@507 516 QString featureUri = desc.getOutputFeatureAttributeURI(outputId);
Chris@507 517
Chris@507 518 if (featureUri == "") {
Chris@507 519 cerr << "RDFFeatureWriter::writeTrackLevelRDF: ERROR: No feature URI available -- this function should not have been called!" << endl;
Chris@507 520 return;
Chris@507 521 }
Chris@507 522
Chris@507 523 for (int i = 0; i < featureList.size(); ++i) {
Chris@507 524
Chris@507 525 const Plugin::Feature &feature = featureList[i];
Chris@507 526
Chris@507 527 if (feature.values.empty()) {
Chris@507 528
Chris@507 529 if (feature.label == "") continue;
Chris@507 530
Chris@508 531 stream << signalURI << " " << featureUri << " \"\"\""
Chris@508 532 << feature.label.c_str() << "\"\"\" .\n";
Chris@507 533
Chris@507 534 } else {
Chris@507 535
Chris@507 536 stream << signalURI << " " << featureUri << " \""
Chris@507 537 << feature.values[0] << "\"^^xsd:float .\n";
Chris@507 538 }
Chris@507 539 }
Chris@507 540 }
Chris@507 541
Chris@507 542 void
Chris@498 543 RDFFeatureWriter::writeDenseRDF(QTextStream *sptr,
Chris@498 544 const Transform &transform,
Chris@498 545 const Plugin::OutputDescriptor& od,
Chris@498 546 const Plugin::FeatureList& featureList,
Chris@498 547 PluginRDFDescription &desc,
Chris@498 548 QString signalURI,
Chris@498 549 QString timelineURI)
Chris@498 550 {
Chris@498 551 if (featureList.empty()) return;
Chris@498 552
Chris@498 553 StringTransformPair sp(signalURI, transform);
Chris@498 554
Chris@498 555 if (m_openDenseFeatures.find(sp) == m_openDenseFeatures.end()) {
Chris@498 556
Chris@498 557 StreamBuffer b(sptr, "");
Chris@498 558 m_openDenseFeatures[sp] = b;
Chris@498 559
Chris@498 560 QString &str(m_openDenseFeatures[sp].second);
Chris@498 561 QTextStream stream(&str);
Chris@498 562
Chris@498 563 bool plain = (m_plain || !desc.haveDescription());
Chris@498 564 QString outputId = od.identifier.c_str();
Chris@498 565
Chris@498 566 uint64_t featureNumber = m_count++;
Chris@498 567
Chris@498 568 // need to write out feature timeline map -- for this we need
Chris@498 569 // the sample rate, window length and hop size from the
Chris@498 570 // transform
Chris@498 571
Chris@498 572 stream << "\n:feature_timeline_" << featureNumber << " a tl:DiscreteTimeLine .\n\n";
Chris@498 573
Chris@498 574 size_t stepSize = transform.getStepSize();
Chris@498 575 if (stepSize == 0) {
Chris@498 576 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the step size properly!" << endl;
Chris@498 577 return;
Chris@498 578 }
Chris@498 579
Chris@498 580 size_t blockSize = transform.getBlockSize();
Chris@498 581 if (blockSize == 0) {
Chris@498 582 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the block size properly!" << endl;
Chris@498 583 return;
Chris@498 584 }
Chris@498 585
Chris@498 586 float sampleRate = transform.getSampleRate();
Chris@498 587 if (sampleRate == 0.f) {
Chris@498 588 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the sample rate properly!" << endl;
Chris@498 589 return;
Chris@498 590 }
Chris@498 591
Chris@498 592 stream << ":feature_timeline_map_" << featureNumber
Chris@498 593 << " a tl:UniformSamplingWindowingMap ;\n"
Chris@498 594 << " tl:rangeTimeLine :feature_timeline_" << featureNumber << " ;\n"
Chris@498 595 << " tl:domainTimeLine " << timelineURI << " ;\n"
Chris@498 596 << " tl:sampleRate \"" << int(sampleRate) << "\"^^xsd:int ;\n"
Chris@498 597 << " tl:windowLength \"" << blockSize << "\"^^xsd:int ;\n"
Chris@498 598 << " tl:hopSize \"" << stepSize << "\"^^xsd:int .\n\n";
Chris@498 599
Chris@498 600 stream << signalURI << " af:signal_feature :feature_"
Chris@498 601 << featureNumber << " ." << endl << endl;
Chris@498 602
Chris@498 603 stream << ":feature_" << featureNumber << " a ";
Chris@498 604
Chris@498 605 QString signalTypeURI = desc.getOutputSignalTypeURI(outputId);
Chris@498 606 if (plain || signalTypeURI == "") {
Chris@498 607 if (m_syntheticSignalTypeURIs.find(transform) !=
Chris@498 608 m_syntheticSignalTypeURIs.end()) {
Chris@498 609 stream << m_syntheticSignalTypeURIs[transform] << " ;\n";
Chris@498 610 } else {
Chris@498 611 stream << ":signal_type_" << outputId << " ;\n";
Chris@498 612 }
Chris@498 613 } else {
Chris@498 614 stream << signalTypeURI << " ;\n";
Chris@498 615 }
Chris@498 616
Chris@498 617 stream << " mo:time ["
Chris@498 618 << "\n a tl:Interval ;"
Chris@498 619 << "\n tl:onTimeLine :feature_timeline_" << featureNumber << " ;";
Chris@498 620
Chris@498 621 RealTime startrt = transform.getStartTime();
Chris@498 622 RealTime durationrt = transform.getDuration();
Chris@498 623
Chris@498 624 int start = RealTime::realTime2Frame(startrt, sampleRate) / stepSize;
Chris@498 625 int duration = RealTime::realTime2Frame(durationrt, sampleRate) / stepSize;
Chris@498 626
Chris@498 627 if (start != 0) {
Chris@498 628 stream << "\n tl:start \"" << start << "\"^^xsd:int ;";
Chris@498 629 }
Chris@498 630 if (duration != 0) {
Chris@498 631 stream << "\n tl:duration \"" << duration << "\"^^xsd:int ;";
Chris@498 632 }
Chris@498 633
Chris@498 634 stream << "\n ] ;\n";
Chris@498 635
Chris@498 636 if (od.hasFixedBinCount) {
Chris@498 637 // We only know the height, so write the width as zero
Chris@498 638 stream << " af:dimensions \"" << od.binCount << " 0\" ;\n";
Chris@498 639 }
Chris@498 640
Chris@498 641 stream << " af:value \"";
Chris@498 642 }
Chris@498 643
Chris@498 644 QString &str = m_openDenseFeatures[sp].second;
Chris@498 645 QTextStream stream(&str);
Chris@498 646
Chris@498 647 for (int i = 0; i < featureList.size(); ++i) {
Chris@498 648
Chris@498 649 const Plugin::Feature &feature = featureList[i];
Chris@498 650
Chris@498 651 for (int j = 0; j < feature.values.size(); ++j) {
Chris@498 652 stream << feature.values[j] << " ";
Chris@498 653 }
Chris@498 654 }
Chris@498 655 }
Chris@498 656
Chris@498 657 void RDFFeatureWriter::finish()
Chris@498 658 {
Chris@498 659 // cerr << "RDFFeatureWriter::finish()" << endl;
Chris@498 660
Chris@498 661 // close any open dense feature literals
Chris@498 662
Chris@498 663 for (map<StringTransformPair, StreamBuffer>::iterator i =
Chris@498 664 m_openDenseFeatures.begin();
Chris@498 665 i != m_openDenseFeatures.end(); ++i) {
Chris@512 666 // cerr << "closing a stream" << endl;
Chris@498 667 StreamBuffer &b = i->second;
Chris@498 668 *(b.first) << b.second << "\" ." << endl;
Chris@498 669 }
Chris@498 670
Chris@498 671 m_openDenseFeatures.clear();
Chris@498 672 }
Chris@498 673
Chris@498 674