annotate rdf/RDFFeatureWriter.cpp @ 599:f3211e01b315

* use exceptions instead of exit()!
author Chris Cannam
date Tue, 07 Jul 2009 10:54:10 +0000
parents 4fa2b135acbc
children 02d9664906e8
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@599 21 #include "base/Exceptions.h"
Chris@599 22
Chris@498 23 #include "RDFFeatureWriter.h"
Chris@498 24 #include "RDFTransformFactory.h"
Chris@597 25 #include "PluginRDFIndexer.h"
Chris@498 26
Chris@498 27 #include <QTextStream>
Chris@498 28 #include <QUrl>
Chris@508 29 #include <QFileInfo>
Chris@498 30 #include <QRegExp>
Chris@498 31
Chris@498 32 using namespace std;
Chris@498 33 using Vamp::Plugin;
Chris@498 34 using Vamp::PluginBase;
Chris@498 35
Chris@498 36 RDFFeatureWriter::RDFFeatureWriter() :
Chris@498 37 FileFeatureWriter(SupportOneFilePerTrackTransform |
Chris@498 38 SupportOneFilePerTrack |
Chris@498 39 SupportOneFileTotal,
Chris@498 40 "n3"),
Chris@498 41 m_plain(false),
Chris@597 42 m_network(false),
Chris@597 43 m_networkRetrieved(false),
Chris@498 44 m_count(0)
Chris@498 45 {
Chris@498 46 }
Chris@498 47
Chris@498 48 RDFFeatureWriter::~RDFFeatureWriter()
Chris@498 49 {
Chris@498 50 }
Chris@498 51
Chris@498 52 RDFFeatureWriter::ParameterList
Chris@498 53 RDFFeatureWriter::getSupportedParameters() const
Chris@498 54 {
Chris@498 55 ParameterList pl = FileFeatureWriter::getSupportedParameters();
Chris@498 56 Parameter p;
Chris@498 57
Chris@498 58 p.name = "plain";
Chris@498 59 p.description = "Use \"plain\" RDF even if transform metadata is available.";
Chris@498 60 p.hasArg = false;
Chris@498 61 pl.push_back(p);
Chris@498 62
Chris@586 63 p.name = "audiofile-uri";
Chris@586 64 p.description = "Link the output RDF to the given audio file URI instead of its actual location.";
Chris@498 65 p.hasArg = true;
Chris@498 66 pl.push_back(p);
Chris@594 67
Chris@594 68 p.name = "track-uri";
Chris@594 69 p.description = "Link the output RDF to the given track URI.";
Chris@594 70 p.hasArg = true;
Chris@594 71 pl.push_back(p);
Chris@594 72
Chris@594 73 p.name = "maker-uri";
Chris@594 74 p.description = "Link the track in the output RDF to the given foaf:maker URI.";
Chris@594 75 p.hasArg = true;
Chris@594 76 pl.push_back(p);
Chris@597 77
Chris@597 78 p.name = "network";
Chris@597 79 p.description = "Attempt to retrieve RDF descriptions of plugins from network, if not available locally";
Chris@597 80 p.hasArg = false;
Chris@597 81 pl.push_back(p);
Chris@498 82
Chris@498 83 return pl;
Chris@498 84 }
Chris@498 85
Chris@498 86 void
Chris@498 87 RDFFeatureWriter::setParameters(map<string, string> &params)
Chris@498 88 {
Chris@498 89 FileFeatureWriter::setParameters(params);
Chris@498 90
Chris@498 91 for (map<string, string>::iterator i = params.begin();
Chris@498 92 i != params.end(); ++i) {
Chris@498 93 if (i->first == "plain") {
Chris@498 94 m_plain = true;
Chris@498 95 }
Chris@586 96 if (i->first == "audiofile-uri") {
Chris@594 97 m_userAudioFileUri = i->second.c_str();
Chris@594 98 }
Chris@594 99 if (i->first == "track-uri") {
Chris@594 100 m_userTrackUri = i->second.c_str();
Chris@594 101 }
Chris@594 102 if (i->first == "maker-uri") {
Chris@594 103 m_userMakerUri = i->second.c_str();
Chris@498 104 }
Chris@597 105 if (i->first == "network") {
Chris@597 106 m_network = true;
Chris@597 107 }
Chris@498 108 }
Chris@498 109 }
Chris@498 110
Chris@504 111 void
Chris@504 112 RDFFeatureWriter::setTrackMetadata(QString trackId,
Chris@504 113 TrackMetadata metadata)
Chris@504 114 {
Chris@594 115 // cerr << "setTrackMetadata: title = " << metadata.title.toStdString() << ", maker = " << metadata.maker.toStdString() << endl;
Chris@504 116 m_metadata[trackId] = metadata;
Chris@504 117 }
Chris@504 118
Chris@504 119 void
Chris@510 120 RDFFeatureWriter::setFixedEventTypeURI(QString uri)
Chris@510 121 {
Chris@510 122 m_fixedEventTypeURI = uri;
Chris@510 123 }
Chris@510 124
Chris@510 125 void
Chris@504 126 RDFFeatureWriter::write(QString trackId,
Chris@504 127 const Transform &transform,
Chris@504 128 const Plugin::OutputDescriptor& output,
Chris@504 129 const Plugin::FeatureList& features,
Chris@504 130 std::string summaryType)
Chris@498 131 {
Chris@498 132 QString pluginId = transform.getPluginIdentifier();
Chris@498 133
Chris@498 134 if (m_rdfDescriptions.find(pluginId) == m_rdfDescriptions.end()) {
Chris@498 135
Chris@597 136 if (m_network && !m_networkRetrieved) {
Chris@597 137 PluginRDFIndexer::getInstance()->indexConfiguredURLs();
Chris@597 138 m_networkRetrieved = true;
Chris@597 139 }
Chris@597 140
Chris@498 141 m_rdfDescriptions[pluginId] = PluginRDFDescription(pluginId);
Chris@498 142
Chris@498 143 if (m_rdfDescriptions[pluginId].haveDescription()) {
Chris@498 144 cerr << "NOTE: Have RDF description for plugin ID \""
Chris@498 145 << pluginId.toStdString() << "\"" << endl;
Chris@498 146 } else {
Chris@597 147 cerr << "NOTE: No RDF description for plugin ID \""
Chris@498 148 << pluginId.toStdString() << "\"" << endl;
Chris@597 149 if (!m_network) {
Chris@597 150 cerr << " Consider using the --rdf-network option to retrieve plugin descriptions" << endl;
Chris@597 151 cerr << " from the network where possible." << endl;
Chris@597 152 }
Chris@498 153 }
Chris@498 154 }
Chris@498 155
Chris@498 156 // Need to select appropriate output file for our track/transform
Chris@498 157 // combination
Chris@498 158
Chris@498 159 QTextStream *stream = getOutputStream(trackId, transform.getIdentifier());
Chris@512 160 if (!stream) {
Chris@512 161 std::cerr << "RDFFeatureWriter::write: ERROR: No output stream for track id \""
Chris@512 162 << trackId.toStdString() << "\" and transform \""
Chris@512 163 << transform.getIdentifier().toStdString() << "\"" << std::endl;
Chris@599 164 throw FileOperationFailed("", "output stream write");
Chris@512 165 }
Chris@498 166
Chris@498 167 if (m_startedStreamTransforms.find(stream) ==
Chris@498 168 m_startedStreamTransforms.end()) {
Chris@594 169 // cerr << "This stream is new, writing prefixes" << endl;
Chris@498 170 writePrefixes(stream);
Chris@498 171 if (m_singleFileName == "" && !m_stdout) {
Chris@498 172 writeSignalDescription(stream, trackId);
Chris@498 173 }
Chris@498 174 }
Chris@498 175
Chris@498 176 if (m_startedStreamTransforms[stream].find(transform) ==
Chris@498 177 m_startedStreamTransforms[stream].end()) {
Chris@498 178 m_startedStreamTransforms[stream].insert(transform);
Chris@498 179 writeLocalFeatureTypes
Chris@498 180 (stream, transform, output, m_rdfDescriptions[pluginId]);
Chris@498 181 }
Chris@498 182
Chris@498 183 if (m_singleFileName != "" || m_stdout) {
Chris@498 184 if (m_startedTrackIds.find(trackId) == m_startedTrackIds.end()) {
Chris@498 185 writeSignalDescription(stream, trackId);
Chris@498 186 m_startedTrackIds.insert(trackId);
Chris@498 187 }
Chris@498 188 }
Chris@498 189
Chris@498 190 QString timelineURI = m_trackTimelineURIs[trackId];
Chris@498 191
Chris@498 192 if (timelineURI == "") {
Chris@498 193 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing features without having established a timeline URI!" << endl;
Chris@498 194 exit(1);
Chris@498 195 }
Chris@498 196
Chris@498 197 if (summaryType != "") {
Chris@498 198
Chris@498 199 writeSparseRDF(stream, transform, output, features,
Chris@498 200 m_rdfDescriptions[pluginId], timelineURI);
Chris@498 201
Chris@498 202 } else if (m_rdfDescriptions[pluginId].haveDescription() &&
Chris@498 203 m_rdfDescriptions[pluginId].getOutputDisposition
Chris@498 204 (output.identifier.c_str()) ==
Chris@498 205 PluginRDFDescription::OutputDense) {
Chris@498 206
Chris@498 207 QString signalURI = m_trackSignalURIs[trackId];
Chris@498 208
Chris@498 209 if (signalURI == "") {
Chris@498 210 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having established a signal URI!" << endl;
Chris@498 211 exit(1);
Chris@498 212 }
Chris@498 213
Chris@498 214 writeDenseRDF(stream, transform, output, features,
Chris@498 215 m_rdfDescriptions[pluginId], signalURI, timelineURI);
Chris@498 216
Chris@507 217 } else if (!m_plain &&
Chris@507 218 m_rdfDescriptions[pluginId].haveDescription() &&
Chris@507 219 m_rdfDescriptions[pluginId].getOutputDisposition
Chris@507 220 (output.identifier.c_str()) ==
Chris@507 221 PluginRDFDescription::OutputTrackLevel &&
Chris@507 222 m_rdfDescriptions[pluginId].getOutputFeatureAttributeURI
Chris@507 223 (output.identifier.c_str()) != "") {
Chris@507 224
Chris@507 225 QString signalURI = m_trackSignalURIs[trackId];
Chris@507 226
Chris@507 227 if (signalURI == "") {
Chris@507 228 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing track-level features without having established a signal URI!" << endl;
Chris@507 229 exit(1);
Chris@507 230 }
Chris@507 231
Chris@507 232 writeTrackLevelRDF(stream, transform, output, features,
Chris@507 233 m_rdfDescriptions[pluginId], signalURI);
Chris@507 234
Chris@498 235 } else {
Chris@498 236
Chris@498 237 writeSparseRDF(stream, transform, output, features,
Chris@498 238 m_rdfDescriptions[pluginId], timelineURI);
Chris@498 239 }
Chris@498 240 }
Chris@498 241
Chris@498 242 void
Chris@498 243 RDFFeatureWriter::writePrefixes(QTextStream *sptr)
Chris@498 244 {
Chris@498 245 QTextStream &stream = *sptr;
Chris@498 246
Chris@498 247 stream << "@prefix dc: <http://purl.org/dc/elements/1.1/> .\n"
Chris@498 248 << "@prefix mo: <http://purl.org/ontology/mo/> .\n"
Chris@498 249 << "@prefix af: <http://purl.org/ontology/af/> .\n"
Chris@504 250 << "@prefix foaf: <http://xmlns.com/foaf/0.1/> . \n"
Chris@498 251 << "@prefix event: <http://purl.org/NET/c4dm/event.owl#> .\n"
Chris@498 252 << "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n"
Chris@498 253 << "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n"
Chris@498 254 << "@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .\n"
Chris@498 255 << "@prefix tl: <http://purl.org/NET/c4dm/timeline.owl#> .\n"
Chris@498 256 << "@prefix vamp: <http://purl.org/ontology/vamp/> .\n"
Chris@498 257 << "@prefix : <#> .\n\n";
Chris@498 258 }
Chris@498 259
Chris@498 260 void
Chris@590 261 RDFFeatureWriter::reviewFileForAppending(QString filename)
Chris@590 262 {
Chris@590 263 // Appending to an RDF file is tricky, because we need to ensure
Chris@590 264 // that our URIs differ from any already in the file. This is a
Chris@590 265 // dirty grubby low-rent way of doing that. This function is
Chris@590 266 // called by FileFeatureWriter::getOutputFile when in append mode.
Chris@590 267
Chris@594 268 // std::cerr << "reviewFileForAppending(" << filename.toStdString() << ")" << std::endl;
Chris@590 269
Chris@590 270 QFile file(filename);
Chris@590 271
Chris@590 272 // just return, don't report failure -- function that called us will do that
Chris@590 273 if (!file.open(QIODevice::ReadOnly)) return;
Chris@590 274
Chris@590 275 QTextStream in(&file);
Chris@590 276
Chris@590 277 QRegExp localObjectUriWithDigits(":[^ ]+_([0-9]+) a ");
Chris@590 278
Chris@590 279 while (!in.atEnd()) {
Chris@590 280 QString line = in.readLine();
Chris@590 281 if (line.length() > 120) { // probably data
Chris@590 282 continue;
Chris@590 283 }
Chris@590 284 if (localObjectUriWithDigits.indexIn(line) > -1) {
Chris@590 285 QString numeric = localObjectUriWithDigits.cap(1);
Chris@590 286 int number = numeric.toInt();
Chris@590 287 if (number >= m_count) m_count = number + 1;
Chris@590 288 }
Chris@590 289 }
Chris@590 290
Chris@590 291 file.close();
Chris@590 292 }
Chris@590 293
Chris@590 294 void
Chris@498 295 RDFFeatureWriter::writeSignalDescription(QTextStream *sptr,
Chris@498 296 QString trackId)
Chris@498 297 {
Chris@594 298 // std::cerr << "RDFFeatureWriter::writeSignalDescription" << std::endl;
Chris@530 299
Chris@498 300 QTextStream &stream = *sptr;
Chris@498 301
Chris@498 302 /*
Chris@498 303 * Describe signal we're analysing (AudioFile, Signal, TimeLine, etc.)
Chris@498 304 */
Chris@498 305
Chris@498 306 QUrl url(trackId);
Chris@498 307 QString scheme = url.scheme().toLower();
Chris@498 308 bool local = (scheme == "" || scheme == "file" || scheme.length() == 1);
Chris@498 309
Chris@498 310 if (local) {
Chris@498 311 if (scheme == "") {
Chris@498 312 url.setScheme("file");
Chris@508 313 url.setPath(QFileInfo(url.path()).absoluteFilePath());
Chris@498 314 } else if (scheme.length() == 1) { // DOS drive letter!
Chris@498 315 url.setScheme("file");
Chris@498 316 url.setPath(scheme + ":" + url.path());
Chris@498 317 }
Chris@498 318 }
Chris@498 319
Chris@590 320 // Note reviewFileForAppending above (when opening in append mode)
Chris@498 321
Chris@498 322 uint64_t signalCount = m_count++;
Chris@498 323
Chris@498 324 if (m_trackSignalURIs.find(trackId) == m_trackSignalURIs.end()) {
Chris@498 325 m_trackSignalURIs[trackId] = QString(":signal_%1").arg(signalCount);
Chris@498 326 }
Chris@498 327 QString signalURI = m_trackSignalURIs[trackId];
Chris@498 328
Chris@585 329 if (m_trackTrackURIs.find(trackId) == m_trackTrackURIs.end()) {
Chris@585 330 m_trackTrackURIs[trackId] = QString(":track_%1").arg(signalCount);
Chris@585 331 }
Chris@585 332 QString trackURI = m_trackTrackURIs[trackId];
Chris@594 333
Chris@594 334 bool userSpecifiedTrack = false;
Chris@594 335 if (m_userTrackUri != "") {
Chris@594 336 trackURI = "<" + m_userTrackUri + ">";
Chris@594 337 m_trackTrackURIs[trackId] = trackURI;
Chris@594 338 userSpecifiedTrack = true;
Chris@594 339 }
Chris@585 340
Chris@498 341 if (m_trackTimelineURIs.find(trackId) == m_trackTimelineURIs.end()) {
Chris@498 342 m_trackTimelineURIs[trackId] = QString(":signal_timeline_%1").arg(signalCount);
Chris@498 343 }
Chris@498 344 QString timelineURI = m_trackTimelineURIs[trackId];
Chris@498 345
Chris@586 346 QString afURI = url.toEncoded().data();
Chris@594 347 if (m_userAudioFileUri != "") afURI = m_userAudioFileUri;
Chris@586 348
Chris@594 349 bool wantTrack = (userSpecifiedTrack ||
Chris@594 350 (m_userMakerUri != "") ||
Chris@594 351 (m_metadata.find(trackId) != m_metadata.end()));
Chris@594 352
Chris@594 353 // cerr << "wantTrack = " << wantTrack << " (userSpecifiedTrack = "
Chris@594 354 // << userSpecifiedTrack << ", m_userMakerUri = " << m_userMakerUri.toStdString() << ", have metadata = " << (m_metadata.find(trackId) != m_metadata.end()) << ")" << endl;
Chris@594 355
Chris@594 356 if (wantTrack) {
Chris@594 357 // We only write a Track at all if we have some title/artist
Chris@594 358 // metadata to put in it, or if the user has requested a
Chris@594 359 // specific track URI. Otherwise we can't be sure that what
Chris@594 360 // we have is a Track, in the publication sense -- it may just
Chris@594 361 // be a fragment, a test file, whatever. Since we'd have no
Chris@594 362 // metadata to associate with our Track, the only effect of
Chris@594 363 // including a Track would be to assert that this was one,
Chris@594 364 // which is the one thing we wouldn't know...
Chris@594 365 TrackMetadata tm;
Chris@594 366 if (m_metadata.find(trackId) != m_metadata.end()) {
Chris@594 367 tm = m_metadata[trackId];
Chris@585 368 }
Chris@594 369 stream << trackURI << " a mo:Track ";
Chris@594 370 if (tm.title != "") {
Chris@594 371 stream << ";\n dc:title \"\"\"" << tm.title << "\"\"\" ";
Chris@594 372 }
Chris@594 373 if (m_userMakerUri != "") {
Chris@594 374 stream << ";\n foaf:maker <" << m_userMakerUri << "> ";
Chris@594 375 } else if (tm.maker != "") {
Chris@594 376 stream << ";\n foaf:maker [ a mo:MusicArtist; foaf:name \"\"\"" << tm.maker << "\"\"\" ] ";
Chris@594 377 }
Chris@594 378 if (afURI != "") {
Chris@594 379 stream << ";\n mo:available_as <" << afURI << "> ";
Chris@594 380 }
Chris@594 381 stream << ".\n\n";
Chris@585 382 }
Chris@585 383
Chris@594 384 if (afURI != "") {
Chris@586 385 stream << "<" << afURI << "> a mo:AudioFile ;\n";
Chris@585 386 stream << " mo:encodes " << signalURI << ".\n\n";
Chris@500 387 }
Chris@500 388
Chris@500 389 stream << signalURI << " a mo:Signal ;\n";
Chris@500 390
Chris@500 391 stream << " mo:time [\n"
Chris@498 392 << " a tl:Interval ;\n"
Chris@498 393 << " tl:onTimeLine "
Chris@498 394 << timelineURI << "\n ] .\n\n";
Chris@585 395
Chris@585 396 stream << timelineURI << " a tl:Timeline .\n";
Chris@498 397 }
Chris@498 398
Chris@498 399 void
Chris@498 400 RDFFeatureWriter::writeLocalFeatureTypes(QTextStream *sptr,
Chris@498 401 const Transform &transform,
Chris@498 402 const Plugin::OutputDescriptor &od,
Chris@498 403 PluginRDFDescription &desc)
Chris@498 404 {
Chris@498 405 QString outputId = od.identifier.c_str();
Chris@498 406 QTextStream &stream = *sptr;
Chris@498 407
Chris@507 408 // There is no "needFeatureType" for track-level outputs, because
Chris@507 409 // we can't meaningfully write a feature at all if we don't know
Chris@507 410 // what property to use for it. If the output is track level but
Chris@507 411 // there is no feature type given, we have to revert to events.
Chris@507 412
Chris@498 413 bool needEventType = false;
Chris@498 414 bool needSignalType = false;
Chris@498 415
Chris@498 416 //!!! bin names, extents and so on can be written out using e.g. vamp:bin_names ( "a" "b" "c" )
Chris@498 417
Chris@498 418 if (desc.getOutputDisposition(outputId) ==
Chris@498 419 PluginRDFDescription::OutputDense) {
Chris@498 420
Chris@498 421 // no feature events, so may need signal type but won't need
Chris@498 422 // event type
Chris@498 423
Chris@498 424 if (m_plain) {
Chris@498 425
Chris@498 426 needSignalType = true;
Chris@498 427
Chris@498 428 } else if (desc.getOutputSignalTypeURI(outputId) == "") {
Chris@498 429
Chris@498 430 needSignalType = true;
Chris@498 431 }
Chris@498 432
Chris@507 433 } else if (desc.getOutputDisposition(outputId) ==
Chris@507 434 PluginRDFDescription::OutputTrackLevel) {
Chris@507 435
Chris@507 436 // see note above -- need to generate an event type if no
Chris@507 437 // feature type given, or if in plain mode
Chris@507 438
Chris@507 439 if (m_plain) {
Chris@507 440
Chris@507 441 needEventType = true;
Chris@507 442
Chris@507 443 } else if (desc.getOutputFeatureAttributeURI(outputId) == "") {
Chris@507 444
Chris@507 445 if (desc.getOutputEventTypeURI(outputId) == "") {
Chris@507 446
Chris@507 447 needEventType = true;
Chris@507 448 }
Chris@507 449 }
Chris@507 450
Chris@498 451 } else {
Chris@498 452
Chris@498 453 // may need event type but won't need signal type
Chris@498 454
Chris@498 455 if (m_plain) {
Chris@498 456
Chris@498 457 needEventType = true;
Chris@498 458
Chris@498 459 } else if (desc.getOutputEventTypeURI(outputId) == "") {
Chris@498 460
Chris@498 461 needEventType = true;
Chris@498 462 }
Chris@498 463 }
Chris@498 464
Chris@498 465 QString transformUri;
Chris@498 466 if (m_transformURIs.find(transform) != m_transformURIs.end()) {
Chris@498 467 transformUri = m_transformURIs[transform];
Chris@498 468 } else {
Chris@498 469 transformUri = QString(":transform_%1_%2").arg(m_count++).arg(outputId);
Chris@498 470 m_transformURIs[transform] = transformUri;
Chris@498 471 }
Chris@498 472
Chris@500 473 if (transform.getIdentifier() != "") {
Chris@508 474 stream << endl
Chris@508 475 << RDFTransformFactory::writeTransformToRDF(transform, transformUri)
Chris@500 476 << endl;
Chris@500 477 }
Chris@498 478
Chris@510 479 if (needEventType && m_fixedEventTypeURI == "") {
Chris@498 480
Chris@498 481 QString uri;
Chris@498 482 if (m_syntheticEventTypeURIs.find(transform) !=
Chris@498 483 m_syntheticEventTypeURIs.end()) {
Chris@498 484 uri = m_syntheticEventTypeURIs[transform];
Chris@498 485 } else {
Chris@498 486 uri = QString(":event_type_%1").arg(m_count++);
Chris@498 487 m_syntheticEventTypeURIs[transform] = uri;
Chris@498 488 }
Chris@498 489
Chris@498 490 stream << uri
Chris@498 491 << " rdfs:subClassOf event:Event ;" << endl
Chris@498 492 << " dc:title \"" << od.name.c_str() << "\" ;" << endl
Chris@498 493 << " dc:format \"" << od.unit.c_str() << "\" ;" << endl
Chris@498 494 << " dc:description \"" << od.description.c_str() << "\" ."
Chris@498 495 << endl << endl;
Chris@498 496 }
Chris@498 497
Chris@498 498 if (needSignalType) {
Chris@498 499
Chris@498 500 QString uri;
Chris@498 501 if (m_syntheticSignalTypeURIs.find(transform) !=
Chris@498 502 m_syntheticSignalTypeURIs.end()) {
Chris@498 503 uri = m_syntheticSignalTypeURIs[transform];
Chris@498 504 } else {
Chris@498 505 uri = QString(":signal_type_%1").arg(m_count++);
Chris@498 506 m_syntheticSignalTypeURIs[transform] = uri;
Chris@498 507 }
Chris@498 508
Chris@498 509 stream << uri
Chris@498 510 << " rdfs:subClassOf af:Signal ;" << endl
Chris@498 511 << " dc:title \"" << od.name.c_str() << "\" ;" << endl
Chris@498 512 << " dc:format \"" << od.unit.c_str() << "\" ;" << endl
Chris@498 513 << " dc:description \"" << od.description.c_str() << "\" ."
Chris@498 514 << endl << endl;
Chris@498 515 }
Chris@498 516 }
Chris@498 517
Chris@498 518 void
Chris@498 519 RDFFeatureWriter::writeSparseRDF(QTextStream *sptr,
Chris@498 520 const Transform &transform,
Chris@498 521 const Plugin::OutputDescriptor& od,
Chris@498 522 const Plugin::FeatureList& featureList,
Chris@498 523 PluginRDFDescription &desc,
Chris@498 524 QString timelineURI)
Chris@498 525 {
Chris@512 526 // std::cerr << "RDFFeatureWriter::writeSparseRDF: have " << featureList.size() << " features" << std::endl;
Chris@512 527
Chris@498 528 if (featureList.empty()) return;
Chris@498 529 QTextStream &stream = *sptr;
Chris@498 530
Chris@498 531 bool plain = (m_plain || !desc.haveDescription());
Chris@498 532
Chris@498 533 QString outputId = od.identifier.c_str();
Chris@498 534
Chris@498 535 // iterate through FeatureLists
Chris@498 536
Chris@498 537 for (int i = 0; i < featureList.size(); ++i) {
Chris@498 538
Chris@498 539 const Plugin::Feature &feature = featureList[i];
Chris@498 540 uint64_t featureNumber = m_count++;
Chris@498 541
Chris@498 542 stream << ":event_" << featureNumber << " a ";
Chris@498 543
Chris@510 544 if (m_fixedEventTypeURI != "") {
Chris@510 545 stream << m_fixedEventTypeURI << " ;\n";
Chris@510 546 } else {
Chris@510 547 QString eventTypeURI = desc.getOutputEventTypeURI(outputId);
Chris@510 548 if (plain || eventTypeURI == "") {
Chris@510 549 if (m_syntheticEventTypeURIs.find(transform) !=
Chris@510 550 m_syntheticEventTypeURIs.end()) {
Chris@510 551 stream << m_syntheticEventTypeURIs[transform] << " ;\n";
Chris@510 552 } else {
Chris@510 553 stream << ":event_type_" << outputId << " ;\n";
Chris@510 554 }
Chris@498 555 } else {
Chris@510 556 stream << "<" << eventTypeURI << "> ;\n";
Chris@498 557 }
Chris@498 558 }
Chris@498 559
Chris@498 560 QString timestamp = feature.timestamp.toString().c_str();
Chris@498 561 timestamp.replace(QRegExp("^ +"), "");
Chris@498 562
Chris@498 563 if (feature.hasDuration && feature.duration > Vamp::RealTime::zeroTime) {
Chris@498 564
Chris@498 565 QString duration = feature.duration.toString().c_str();
Chris@498 566 duration.replace(QRegExp("^ +"), "");
Chris@498 567
Chris@498 568 stream << " event:time [ \n"
Chris@498 569 << " a tl:Interval ;\n"
Chris@498 570 << " tl:onTimeLine " << timelineURI << " ;\n"
Chris@498 571 << " tl:beginsAt \"PT" << timestamp
Chris@498 572 << "S\"^^xsd:duration ;\n"
Chris@498 573 << " tl:duration \"PT" << duration
Chris@498 574 << "S\"^^xsd:duration ;\n"
Chris@498 575 << " ] ";
Chris@498 576
Chris@498 577 } else {
Chris@498 578
Chris@498 579 stream << " event:time [ \n"
Chris@498 580 << " a tl:Instant ;\n" //location of the event in time
Chris@498 581 << " tl:onTimeLine " << timelineURI << " ;\n"
Chris@498 582 << " tl:at \"PT" << timestamp
Chris@498 583 << "S\"^^xsd:duration ;\n ] ";
Chris@498 584 }
Chris@498 585
Chris@500 586 if (transform.getIdentifier() != "") {
Chris@500 587 stream << ";\n";
Chris@500 588 stream << " vamp:computed_by " << m_transformURIs[transform] << " ";
Chris@500 589 }
Chris@498 590
Chris@498 591 if (feature.label.length() > 0) {
Chris@498 592 stream << ";\n";
Chris@510 593 stream << " rdfs:label \"\"\"" << feature.label.c_str() << "\"\"\" ";
Chris@498 594 }
Chris@498 595
Chris@498 596 if (!feature.values.empty()) {
Chris@498 597 stream << ";\n";
Chris@498 598 //!!! named bins?
Chris@498 599 stream << " af:feature \"" << feature.values[0];
Chris@498 600 for (int j = 1; j < feature.values.size(); ++j) {
Chris@498 601 stream << " " << feature.values[j];
Chris@498 602 }
Chris@498 603 stream << "\" ";
Chris@498 604 }
Chris@498 605
Chris@498 606 stream << ".\n";
Chris@498 607 }
Chris@498 608 }
Chris@498 609
Chris@498 610 void
Chris@507 611 RDFFeatureWriter::writeTrackLevelRDF(QTextStream *sptr,
Chris@507 612 const Transform &transform,
Chris@507 613 const Plugin::OutputDescriptor& od,
Chris@507 614 const Plugin::FeatureList& featureList,
Chris@507 615 PluginRDFDescription &desc,
Chris@507 616 QString signalURI)
Chris@507 617 {
Chris@507 618 if (featureList.empty()) return;
Chris@507 619 QTextStream &stream = *sptr;
Chris@507 620
Chris@507 621 bool plain = (m_plain || !desc.haveDescription());
Chris@507 622
Chris@507 623 QString outputId = od.identifier.c_str();
Chris@507 624 QString featureUri = desc.getOutputFeatureAttributeURI(outputId);
Chris@507 625
Chris@507 626 if (featureUri == "") {
Chris@507 627 cerr << "RDFFeatureWriter::writeTrackLevelRDF: ERROR: No feature URI available -- this function should not have been called!" << endl;
Chris@507 628 return;
Chris@507 629 }
Chris@507 630
Chris@507 631 for (int i = 0; i < featureList.size(); ++i) {
Chris@507 632
Chris@507 633 const Plugin::Feature &feature = featureList[i];
Chris@507 634
Chris@507 635 if (feature.values.empty()) {
Chris@507 636
Chris@507 637 if (feature.label == "") continue;
Chris@507 638
Chris@508 639 stream << signalURI << " " << featureUri << " \"\"\""
Chris@508 640 << feature.label.c_str() << "\"\"\" .\n";
Chris@507 641
Chris@507 642 } else {
Chris@507 643
Chris@507 644 stream << signalURI << " " << featureUri << " \""
Chris@507 645 << feature.values[0] << "\"^^xsd:float .\n";
Chris@507 646 }
Chris@507 647 }
Chris@507 648 }
Chris@507 649
Chris@507 650 void
Chris@498 651 RDFFeatureWriter::writeDenseRDF(QTextStream *sptr,
Chris@498 652 const Transform &transform,
Chris@498 653 const Plugin::OutputDescriptor& od,
Chris@498 654 const Plugin::FeatureList& featureList,
Chris@498 655 PluginRDFDescription &desc,
Chris@498 656 QString signalURI,
Chris@498 657 QString timelineURI)
Chris@498 658 {
Chris@498 659 if (featureList.empty()) return;
Chris@498 660
Chris@498 661 StringTransformPair sp(signalURI, transform);
Chris@498 662
Chris@498 663 if (m_openDenseFeatures.find(sp) == m_openDenseFeatures.end()) {
Chris@498 664
Chris@498 665 StreamBuffer b(sptr, "");
Chris@498 666 m_openDenseFeatures[sp] = b;
Chris@498 667
Chris@498 668 QString &str(m_openDenseFeatures[sp].second);
Chris@498 669 QTextStream stream(&str);
Chris@498 670
Chris@498 671 bool plain = (m_plain || !desc.haveDescription());
Chris@498 672 QString outputId = od.identifier.c_str();
Chris@498 673
Chris@498 674 uint64_t featureNumber = m_count++;
Chris@498 675
Chris@498 676 // need to write out feature timeline map -- for this we need
Chris@498 677 // the sample rate, window length and hop size from the
Chris@498 678 // transform
Chris@498 679
Chris@498 680 stream << "\n:feature_timeline_" << featureNumber << " a tl:DiscreteTimeLine .\n\n";
Chris@498 681
Chris@498 682 size_t stepSize = transform.getStepSize();
Chris@498 683 if (stepSize == 0) {
Chris@498 684 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the step size properly!" << endl;
Chris@498 685 return;
Chris@498 686 }
Chris@498 687
Chris@498 688 size_t blockSize = transform.getBlockSize();
Chris@498 689 if (blockSize == 0) {
Chris@498 690 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the block size properly!" << endl;
Chris@498 691 return;
Chris@498 692 }
Chris@498 693
Chris@498 694 float sampleRate = transform.getSampleRate();
Chris@498 695 if (sampleRate == 0.f) {
Chris@498 696 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the sample rate properly!" << endl;
Chris@498 697 return;
Chris@498 698 }
Chris@498 699
Chris@498 700 stream << ":feature_timeline_map_" << featureNumber
Chris@498 701 << " a tl:UniformSamplingWindowingMap ;\n"
Chris@498 702 << " tl:rangeTimeLine :feature_timeline_" << featureNumber << " ;\n"
Chris@498 703 << " tl:domainTimeLine " << timelineURI << " ;\n"
Chris@498 704 << " tl:sampleRate \"" << int(sampleRate) << "\"^^xsd:int ;\n"
Chris@498 705 << " tl:windowLength \"" << blockSize << "\"^^xsd:int ;\n"
Chris@498 706 << " tl:hopSize \"" << stepSize << "\"^^xsd:int .\n\n";
Chris@498 707
Chris@498 708 stream << signalURI << " af:signal_feature :feature_"
Chris@498 709 << featureNumber << " ." << endl << endl;
Chris@498 710
Chris@498 711 stream << ":feature_" << featureNumber << " a ";
Chris@498 712
Chris@498 713 QString signalTypeURI = desc.getOutputSignalTypeURI(outputId);
Chris@498 714 if (plain || signalTypeURI == "") {
Chris@498 715 if (m_syntheticSignalTypeURIs.find(transform) !=
Chris@498 716 m_syntheticSignalTypeURIs.end()) {
Chris@498 717 stream << m_syntheticSignalTypeURIs[transform] << " ;\n";
Chris@498 718 } else {
Chris@498 719 stream << ":signal_type_" << outputId << " ;\n";
Chris@498 720 }
Chris@498 721 } else {
Chris@587 722 stream << "<" << signalTypeURI << "> ;\n";
Chris@498 723 }
Chris@498 724
Chris@498 725 stream << " mo:time ["
Chris@498 726 << "\n a tl:Interval ;"
Chris@498 727 << "\n tl:onTimeLine :feature_timeline_" << featureNumber << " ;";
Chris@498 728
Chris@498 729 RealTime startrt = transform.getStartTime();
Chris@498 730 RealTime durationrt = transform.getDuration();
Chris@498 731
Chris@498 732 int start = RealTime::realTime2Frame(startrt, sampleRate) / stepSize;
Chris@498 733 int duration = RealTime::realTime2Frame(durationrt, sampleRate) / stepSize;
Chris@498 734
Chris@498 735 if (start != 0) {
Chris@498 736 stream << "\n tl:start \"" << start << "\"^^xsd:int ;";
Chris@498 737 }
Chris@498 738 if (duration != 0) {
Chris@498 739 stream << "\n tl:duration \"" << duration << "\"^^xsd:int ;";
Chris@498 740 }
Chris@498 741
Chris@498 742 stream << "\n ] ;\n";
Chris@498 743
Chris@584 744 if (transform.getIdentifier() != "") {
Chris@584 745 stream << " vamp:computed_by " << m_transformURIs[transform] << " ;\n";
Chris@584 746 }
Chris@584 747
Chris@498 748 if (od.hasFixedBinCount) {
Chris@498 749 // We only know the height, so write the width as zero
Chris@498 750 stream << " af:dimensions \"" << od.binCount << " 0\" ;\n";
Chris@498 751 }
Chris@498 752
Chris@498 753 stream << " af:value \"";
Chris@498 754 }
Chris@498 755
Chris@498 756 QString &str = m_openDenseFeatures[sp].second;
Chris@498 757 QTextStream stream(&str);
Chris@498 758
Chris@498 759 for (int i = 0; i < featureList.size(); ++i) {
Chris@498 760
Chris@498 761 const Plugin::Feature &feature = featureList[i];
Chris@498 762
Chris@498 763 for (int j = 0; j < feature.values.size(); ++j) {
Chris@498 764 stream << feature.values[j] << " ";
Chris@498 765 }
Chris@498 766 }
Chris@498 767 }
Chris@498 768
Chris@498 769 void RDFFeatureWriter::finish()
Chris@498 770 {
Chris@578 771 // cerr << "RDFFeatureWriter::finish()" << endl;
Chris@498 772
Chris@498 773 // close any open dense feature literals
Chris@498 774
Chris@498 775 for (map<StringTransformPair, StreamBuffer>::iterator i =
Chris@498 776 m_openDenseFeatures.begin();
Chris@498 777 i != m_openDenseFeatures.end(); ++i) {
Chris@512 778 // cerr << "closing a stream" << endl;
Chris@498 779 StreamBuffer &b = i->second;
Chris@498 780 *(b.first) << b.second << "\" ." << endl;
Chris@498 781 }
Chris@498 782
Chris@498 783 m_openDenseFeatures.clear();
Chris@530 784 m_startedStreamTransforms.clear();
Chris@530 785
Chris@530 786 FileFeatureWriter::finish();
Chris@498 787 }
Chris@498 788
Chris@498 789