annotate rdf/RDFFeatureWriter.cpp @ 717:bcdb2a18d9bc library_integration

Revert that change -- this code is used only in Sonic Annotator
author Chris Cannam
date Tue, 18 Oct 2011 10:14:17 +0100
parents eb741b4e8d21
children
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@717 78 p.name = "network";
Chris@717 79 p.description = "Attempt to retrieve RDF descriptions of plugins from network, if not available locally";
Chris@717 80 p.hasArg = false;
Chris@717 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@717 105 if (i->first == "network") {
Chris@717 106 m_network = true;
Chris@717 107 }
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@686 115 // cerr << "setTrackMetadata: title = " << metadata.title << ", maker = " << metadata.maker << 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@690 144 SVDEBUG << "NOTE: Have RDF description for plugin ID \""
Chris@686 145 << pluginId << "\"" << endl;
Chris@498 146 } else {
Chris@690 147 SVDEBUG << "NOTE: No RDF description for plugin ID \""
Chris@686 148 << pluginId << "\"" << 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@605 161 throw FailedToOpenOutputStream(trackId, transform.getIdentifier());
Chris@512 162 }
Chris@498 163
Chris@498 164 if (m_startedStreamTransforms.find(stream) ==
Chris@498 165 m_startedStreamTransforms.end()) {
Chris@594 166 // cerr << "This stream is new, writing prefixes" << endl;
Chris@498 167 writePrefixes(stream);
Chris@498 168 if (m_singleFileName == "" && !m_stdout) {
Chris@498 169 writeSignalDescription(stream, trackId);
Chris@498 170 }
Chris@498 171 }
Chris@498 172
Chris@498 173 if (m_startedStreamTransforms[stream].find(transform) ==
Chris@498 174 m_startedStreamTransforms[stream].end()) {
Chris@498 175 m_startedStreamTransforms[stream].insert(transform);
Chris@498 176 writeLocalFeatureTypes
Chris@498 177 (stream, transform, output, m_rdfDescriptions[pluginId]);
Chris@498 178 }
Chris@498 179
Chris@498 180 if (m_singleFileName != "" || m_stdout) {
Chris@498 181 if (m_startedTrackIds.find(trackId) == m_startedTrackIds.end()) {
Chris@498 182 writeSignalDescription(stream, trackId);
Chris@498 183 m_startedTrackIds.insert(trackId);
Chris@498 184 }
Chris@498 185 }
Chris@498 186
Chris@498 187 QString timelineURI = m_trackTimelineURIs[trackId];
Chris@498 188
Chris@498 189 if (timelineURI == "") {
Chris@498 190 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing features without having established a timeline URI!" << endl;
Chris@498 191 exit(1);
Chris@498 192 }
Chris@498 193
Chris@498 194 if (summaryType != "") {
Chris@498 195
Chris@498 196 writeSparseRDF(stream, transform, output, features,
Chris@498 197 m_rdfDescriptions[pluginId], timelineURI);
Chris@498 198
Chris@498 199 } else if (m_rdfDescriptions[pluginId].haveDescription() &&
Chris@498 200 m_rdfDescriptions[pluginId].getOutputDisposition
Chris@498 201 (output.identifier.c_str()) ==
Chris@498 202 PluginRDFDescription::OutputDense) {
Chris@498 203
Chris@498 204 QString signalURI = m_trackSignalURIs[trackId];
Chris@498 205
Chris@498 206 if (signalURI == "") {
Chris@498 207 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having established a signal URI!" << endl;
Chris@498 208 exit(1);
Chris@498 209 }
Chris@498 210
Chris@498 211 writeDenseRDF(stream, transform, output, features,
Chris@498 212 m_rdfDescriptions[pluginId], signalURI, timelineURI);
Chris@498 213
Chris@507 214 } else if (!m_plain &&
Chris@507 215 m_rdfDescriptions[pluginId].haveDescription() &&
Chris@507 216 m_rdfDescriptions[pluginId].getOutputDisposition
Chris@507 217 (output.identifier.c_str()) ==
Chris@507 218 PluginRDFDescription::OutputTrackLevel &&
Chris@507 219 m_rdfDescriptions[pluginId].getOutputFeatureAttributeURI
Chris@507 220 (output.identifier.c_str()) != "") {
Chris@507 221
Chris@507 222 QString signalURI = m_trackSignalURIs[trackId];
Chris@507 223
Chris@507 224 if (signalURI == "") {
Chris@507 225 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing track-level features without having established a signal URI!" << endl;
Chris@507 226 exit(1);
Chris@507 227 }
Chris@507 228
Chris@507 229 writeTrackLevelRDF(stream, transform, output, features,
Chris@507 230 m_rdfDescriptions[pluginId], signalURI);
Chris@507 231
Chris@498 232 } else {
Chris@498 233
Chris@498 234 writeSparseRDF(stream, transform, output, features,
Chris@498 235 m_rdfDescriptions[pluginId], timelineURI);
Chris@498 236 }
Chris@498 237 }
Chris@498 238
Chris@498 239 void
Chris@498 240 RDFFeatureWriter::writePrefixes(QTextStream *sptr)
Chris@498 241 {
Chris@498 242 QTextStream &stream = *sptr;
Chris@498 243
Chris@498 244 stream << "@prefix dc: <http://purl.org/dc/elements/1.1/> .\n"
Chris@498 245 << "@prefix mo: <http://purl.org/ontology/mo/> .\n"
Chris@498 246 << "@prefix af: <http://purl.org/ontology/af/> .\n"
Chris@504 247 << "@prefix foaf: <http://xmlns.com/foaf/0.1/> . \n"
Chris@498 248 << "@prefix event: <http://purl.org/NET/c4dm/event.owl#> .\n"
Chris@498 249 << "@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .\n"
Chris@498 250 << "@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .\n"
Chris@498 251 << "@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .\n"
Chris@498 252 << "@prefix tl: <http://purl.org/NET/c4dm/timeline.owl#> .\n"
Chris@498 253 << "@prefix vamp: <http://purl.org/ontology/vamp/> .\n"
Chris@498 254 << "@prefix : <#> .\n\n";
Chris@498 255 }
Chris@498 256
Chris@498 257 void
Chris@590 258 RDFFeatureWriter::reviewFileForAppending(QString filename)
Chris@590 259 {
Chris@590 260 // Appending to an RDF file is tricky, because we need to ensure
Chris@590 261 // that our URIs differ from any already in the file. This is a
Chris@590 262 // dirty grubby low-rent way of doing that. This function is
Chris@590 263 // called by FileFeatureWriter::getOutputFile when in append mode.
Chris@590 264
Chris@686 265 // std::cerr << "reviewFileForAppending(" << filename << ")" << std::endl;
Chris@590 266
Chris@590 267 QFile file(filename);
Chris@590 268
Chris@590 269 // just return, don't report failure -- function that called us will do that
Chris@590 270 if (!file.open(QIODevice::ReadOnly)) return;
Chris@590 271
Chris@590 272 QTextStream in(&file);
Chris@590 273
Chris@590 274 QRegExp localObjectUriWithDigits(":[^ ]+_([0-9]+) a ");
Chris@590 275
Chris@590 276 while (!in.atEnd()) {
Chris@590 277 QString line = in.readLine();
Chris@590 278 if (line.length() > 120) { // probably data
Chris@590 279 continue;
Chris@590 280 }
Chris@590 281 if (localObjectUriWithDigits.indexIn(line) > -1) {
Chris@590 282 QString numeric = localObjectUriWithDigits.cap(1);
Chris@590 283 int number = numeric.toInt();
Chris@590 284 if (number >= m_count) m_count = number + 1;
Chris@590 285 }
Chris@590 286 }
Chris@590 287
Chris@590 288 file.close();
Chris@590 289 }
Chris@590 290
Chris@590 291 void
Chris@498 292 RDFFeatureWriter::writeSignalDescription(QTextStream *sptr,
Chris@498 293 QString trackId)
Chris@498 294 {
Chris@690 295 // SVDEBUG << "RDFFeatureWriter::writeSignalDescription" << endl;
Chris@530 296
Chris@498 297 QTextStream &stream = *sptr;
Chris@498 298
Chris@498 299 /*
Chris@498 300 * Describe signal we're analysing (AudioFile, Signal, TimeLine, etc.)
Chris@498 301 */
Chris@498 302
Christophe@615 303 QUrl url(trackId, QUrl::StrictMode);
Chris@498 304 QString scheme = url.scheme().toLower();
Chris@498 305 bool local = (scheme == "" || scheme == "file" || scheme.length() == 1);
Chris@498 306
Chris@498 307 if (local) {
Chris@498 308 if (scheme == "") {
Chris@498 309 url.setScheme("file");
Chris@508 310 url.setPath(QFileInfo(url.path()).absoluteFilePath());
Chris@498 311 } else if (scheme.length() == 1) { // DOS drive letter!
Chris@498 312 url.setScheme("file");
Chris@498 313 url.setPath(scheme + ":" + url.path());
Chris@498 314 }
Chris@498 315 }
Chris@498 316
Chris@590 317 // Note reviewFileForAppending above (when opening in append mode)
Chris@498 318
Chris@602 319 unsigned long signalCount = m_count++;
Chris@498 320
Chris@498 321 if (m_trackSignalURIs.find(trackId) == m_trackSignalURIs.end()) {
Chris@498 322 m_trackSignalURIs[trackId] = QString(":signal_%1").arg(signalCount);
Chris@498 323 }
Chris@498 324 QString signalURI = m_trackSignalURIs[trackId];
Chris@498 325
Chris@585 326 if (m_trackTrackURIs.find(trackId) == m_trackTrackURIs.end()) {
Chris@585 327 m_trackTrackURIs[trackId] = QString(":track_%1").arg(signalCount);
Chris@585 328 }
Chris@585 329 QString trackURI = m_trackTrackURIs[trackId];
Chris@594 330
Chris@594 331 bool userSpecifiedTrack = false;
Chris@594 332 if (m_userTrackUri != "") {
Chris@594 333 trackURI = "<" + m_userTrackUri + ">";
Chris@594 334 m_trackTrackURIs[trackId] = trackURI;
Chris@594 335 userSpecifiedTrack = true;
Chris@594 336 }
Chris@585 337
Chris@498 338 if (m_trackTimelineURIs.find(trackId) == m_trackTimelineURIs.end()) {
Chris@498 339 m_trackTimelineURIs[trackId] = QString(":signal_timeline_%1").arg(signalCount);
Chris@498 340 }
Chris@498 341 QString timelineURI = m_trackTimelineURIs[trackId];
Chris@498 342
Chris@586 343 QString afURI = url.toEncoded().data();
Chris@594 344 if (m_userAudioFileUri != "") afURI = m_userAudioFileUri;
Chris@586 345
Chris@594 346 bool wantTrack = (userSpecifiedTrack ||
Chris@594 347 (m_userMakerUri != "") ||
Chris@594 348 (m_metadata.find(trackId) != m_metadata.end()));
Chris@594 349
Chris@594 350 // cerr << "wantTrack = " << wantTrack << " (userSpecifiedTrack = "
Chris@686 351 // << userSpecifiedTrack << ", m_userMakerUri = " << m_userMakerUri << ", have metadata = " << (m_metadata.find(trackId) != m_metadata.end()) << ")" << endl;
Chris@594 352
Chris@594 353 if (wantTrack) {
Chris@594 354 // We only write a Track at all if we have some title/artist
Chris@594 355 // metadata to put in it, or if the user has requested a
Chris@594 356 // specific track URI. Otherwise we can't be sure that what
Chris@594 357 // we have is a Track, in the publication sense -- it may just
Chris@594 358 // be a fragment, a test file, whatever. Since we'd have no
Chris@594 359 // metadata to associate with our Track, the only effect of
Chris@594 360 // including a Track would be to assert that this was one,
Chris@594 361 // which is the one thing we wouldn't know...
Chris@594 362 TrackMetadata tm;
Chris@594 363 if (m_metadata.find(trackId) != m_metadata.end()) {
Chris@594 364 tm = m_metadata[trackId];
Chris@585 365 }
Chris@594 366 stream << trackURI << " a mo:Track ";
Chris@594 367 if (tm.title != "") {
Chris@594 368 stream << ";\n dc:title \"\"\"" << tm.title << "\"\"\" ";
Chris@594 369 }
Chris@594 370 if (m_userMakerUri != "") {
Chris@594 371 stream << ";\n foaf:maker <" << m_userMakerUri << "> ";
Chris@594 372 } else if (tm.maker != "") {
Chris@594 373 stream << ";\n foaf:maker [ a mo:MusicArtist; foaf:name \"\"\"" << tm.maker << "\"\"\" ] ";
Chris@594 374 }
Chris@594 375 if (afURI != "") {
Chris@594 376 stream << ";\n mo:available_as <" << afURI << "> ";
Chris@594 377 }
Chris@594 378 stream << ".\n\n";
Chris@585 379 }
Chris@585 380
Chris@594 381 if (afURI != "") {
Chris@586 382 stream << "<" << afURI << "> a mo:AudioFile ;\n";
Chris@585 383 stream << " mo:encodes " << signalURI << ".\n\n";
Chris@500 384 }
Chris@500 385
Chris@500 386 stream << signalURI << " a mo:Signal ;\n";
Chris@500 387
Chris@500 388 stream << " mo:time [\n"
Chris@498 389 << " a tl:Interval ;\n"
Chris@498 390 << " tl:onTimeLine "
Chris@498 391 << timelineURI << "\n ] .\n\n";
Chris@585 392
Chris@585 393 stream << timelineURI << " a tl:Timeline .\n";
Chris@498 394 }
Chris@498 395
Chris@498 396 void
Chris@498 397 RDFFeatureWriter::writeLocalFeatureTypes(QTextStream *sptr,
Chris@498 398 const Transform &transform,
Chris@498 399 const Plugin::OutputDescriptor &od,
Chris@498 400 PluginRDFDescription &desc)
Chris@498 401 {
Chris@498 402 QString outputId = od.identifier.c_str();
Chris@498 403 QTextStream &stream = *sptr;
Chris@498 404
Chris@507 405 // There is no "needFeatureType" for track-level outputs, because
Chris@507 406 // we can't meaningfully write a feature at all if we don't know
Chris@507 407 // what property to use for it. If the output is track level but
Chris@507 408 // there is no feature type given, we have to revert to events.
Chris@507 409
Chris@498 410 bool needEventType = false;
Chris@498 411 bool needSignalType = false;
Chris@498 412
Chris@498 413 //!!! bin names, extents and so on can be written out using e.g. vamp:bin_names ( "a" "b" "c" )
Chris@498 414
Chris@498 415 if (desc.getOutputDisposition(outputId) ==
Chris@498 416 PluginRDFDescription::OutputDense) {
Chris@498 417
Chris@498 418 // no feature events, so may need signal type but won't need
Chris@498 419 // event type
Chris@498 420
Chris@498 421 if (m_plain) {
Chris@498 422
Chris@498 423 needSignalType = true;
Chris@498 424
Chris@498 425 } else if (desc.getOutputSignalTypeURI(outputId) == "") {
Chris@498 426
Chris@498 427 needSignalType = true;
Chris@498 428 }
Chris@498 429
Chris@507 430 } else if (desc.getOutputDisposition(outputId) ==
Chris@507 431 PluginRDFDescription::OutputTrackLevel) {
Chris@507 432
Chris@507 433 // see note above -- need to generate an event type if no
Chris@507 434 // feature type given, or if in plain mode
Chris@507 435
Chris@507 436 if (m_plain) {
Chris@507 437
Chris@507 438 needEventType = true;
Chris@507 439
Chris@507 440 } else if (desc.getOutputFeatureAttributeURI(outputId) == "") {
Chris@507 441
Chris@507 442 if (desc.getOutputEventTypeURI(outputId) == "") {
Chris@507 443
Chris@507 444 needEventType = true;
Chris@507 445 }
Chris@507 446 }
Chris@507 447
Chris@498 448 } else {
Chris@498 449
Chris@498 450 // may need event type but won't need signal type
Chris@498 451
Chris@498 452 if (m_plain) {
Chris@498 453
Chris@498 454 needEventType = true;
Chris@498 455
Chris@498 456 } else if (desc.getOutputEventTypeURI(outputId) == "") {
Chris@498 457
Chris@498 458 needEventType = true;
Chris@498 459 }
Chris@498 460 }
Chris@498 461
Chris@498 462 QString transformUri;
Chris@498 463 if (m_transformURIs.find(transform) != m_transformURIs.end()) {
Chris@498 464 transformUri = m_transformURIs[transform];
Chris@498 465 } else {
Chris@498 466 transformUri = QString(":transform_%1_%2").arg(m_count++).arg(outputId);
Chris@498 467 m_transformURIs[transform] = transformUri;
Chris@498 468 }
Chris@498 469
Chris@500 470 if (transform.getIdentifier() != "") {
Chris@508 471 stream << endl
Chris@508 472 << RDFTransformFactory::writeTransformToRDF(transform, transformUri)
Chris@500 473 << endl;
Chris@500 474 }
Chris@498 475
Chris@510 476 if (needEventType && m_fixedEventTypeURI == "") {
Chris@498 477
Chris@498 478 QString uri;
Chris@498 479 if (m_syntheticEventTypeURIs.find(transform) !=
Chris@498 480 m_syntheticEventTypeURIs.end()) {
Chris@498 481 uri = m_syntheticEventTypeURIs[transform];
Chris@498 482 } else {
Chris@498 483 uri = QString(":event_type_%1").arg(m_count++);
Chris@498 484 m_syntheticEventTypeURIs[transform] = uri;
Chris@498 485 }
Chris@498 486
Chris@498 487 stream << uri
Chris@498 488 << " rdfs:subClassOf event:Event ;" << endl
Chris@498 489 << " dc:title \"" << od.name.c_str() << "\" ;" << endl
Chris@498 490 << " dc:format \"" << od.unit.c_str() << "\" ;" << endl
Chris@498 491 << " dc:description \"" << od.description.c_str() << "\" ."
Chris@498 492 << endl << endl;
Chris@498 493 }
Chris@498 494
Chris@498 495 if (needSignalType) {
Chris@498 496
Chris@498 497 QString uri;
Chris@498 498 if (m_syntheticSignalTypeURIs.find(transform) !=
Chris@498 499 m_syntheticSignalTypeURIs.end()) {
Chris@498 500 uri = m_syntheticSignalTypeURIs[transform];
Chris@498 501 } else {
Chris@498 502 uri = QString(":signal_type_%1").arg(m_count++);
Chris@498 503 m_syntheticSignalTypeURIs[transform] = uri;
Chris@498 504 }
Chris@498 505
Chris@498 506 stream << uri
Chris@498 507 << " rdfs:subClassOf af:Signal ;" << endl
Chris@498 508 << " dc:title \"" << od.name.c_str() << "\" ;" << endl
Chris@498 509 << " dc:format \"" << od.unit.c_str() << "\" ;" << endl
Chris@498 510 << " dc:description \"" << od.description.c_str() << "\" ."
Chris@498 511 << endl << endl;
Chris@498 512 }
Chris@498 513 }
Chris@498 514
Chris@498 515 void
Chris@498 516 RDFFeatureWriter::writeSparseRDF(QTextStream *sptr,
Chris@498 517 const Transform &transform,
Chris@498 518 const Plugin::OutputDescriptor& od,
Chris@498 519 const Plugin::FeatureList& featureList,
Chris@498 520 PluginRDFDescription &desc,
Chris@498 521 QString timelineURI)
Chris@498 522 {
Chris@690 523 // SVDEBUG << "RDFFeatureWriter::writeSparseRDF: have " << featureList.size() << " features" << endl;
Chris@512 524
Chris@498 525 if (featureList.empty()) return;
Chris@498 526 QTextStream &stream = *sptr;
Chris@498 527
Chris@498 528 bool plain = (m_plain || !desc.haveDescription());
Chris@498 529
Chris@498 530 QString outputId = od.identifier.c_str();
Chris@498 531
Chris@498 532 // iterate through FeatureLists
Chris@498 533
Chris@498 534 for (int i = 0; i < featureList.size(); ++i) {
Chris@498 535
Chris@498 536 const Plugin::Feature &feature = featureList[i];
Chris@602 537 unsigned long featureNumber = m_count++;
Chris@498 538
Chris@498 539 stream << ":event_" << featureNumber << " a ";
Chris@498 540
Chris@510 541 if (m_fixedEventTypeURI != "") {
Chris@510 542 stream << m_fixedEventTypeURI << " ;\n";
Chris@510 543 } else {
Chris@510 544 QString eventTypeURI = desc.getOutputEventTypeURI(outputId);
Chris@510 545 if (plain || eventTypeURI == "") {
Chris@510 546 if (m_syntheticEventTypeURIs.find(transform) !=
Chris@510 547 m_syntheticEventTypeURIs.end()) {
Chris@510 548 stream << m_syntheticEventTypeURIs[transform] << " ;\n";
Chris@510 549 } else {
Chris@510 550 stream << ":event_type_" << outputId << " ;\n";
Chris@510 551 }
Chris@498 552 } else {
Chris@510 553 stream << "<" << eventTypeURI << "> ;\n";
Chris@498 554 }
Chris@498 555 }
Chris@498 556
Chris@498 557 QString timestamp = feature.timestamp.toString().c_str();
Chris@498 558 timestamp.replace(QRegExp("^ +"), "");
Chris@498 559
Chris@498 560 if (feature.hasDuration && feature.duration > Vamp::RealTime::zeroTime) {
Chris@498 561
Chris@498 562 QString duration = feature.duration.toString().c_str();
Chris@498 563 duration.replace(QRegExp("^ +"), "");
Chris@498 564
Chris@498 565 stream << " event:time [ \n"
Chris@498 566 << " a tl:Interval ;\n"
Chris@498 567 << " tl:onTimeLine " << timelineURI << " ;\n"
Chris@498 568 << " tl:beginsAt \"PT" << timestamp
Chris@498 569 << "S\"^^xsd:duration ;\n"
Chris@498 570 << " tl:duration \"PT" << duration
Chris@498 571 << "S\"^^xsd:duration ;\n"
Chris@498 572 << " ] ";
Chris@498 573
Chris@498 574 } else {
Chris@498 575
Chris@498 576 stream << " event:time [ \n"
Chris@498 577 << " a tl:Instant ;\n" //location of the event in time
Chris@498 578 << " tl:onTimeLine " << timelineURI << " ;\n"
Chris@498 579 << " tl:at \"PT" << timestamp
Chris@498 580 << "S\"^^xsd:duration ;\n ] ";
Chris@498 581 }
Chris@498 582
Chris@500 583 if (transform.getIdentifier() != "") {
Chris@500 584 stream << ";\n";
Chris@500 585 stream << " vamp:computed_by " << m_transformURIs[transform] << " ";
Chris@500 586 }
Chris@498 587
Chris@498 588 if (feature.label.length() > 0) {
Chris@498 589 stream << ";\n";
Chris@510 590 stream << " rdfs:label \"\"\"" << feature.label.c_str() << "\"\"\" ";
Chris@498 591 }
Chris@498 592
Chris@498 593 if (!feature.values.empty()) {
Chris@498 594 stream << ";\n";
Chris@498 595 //!!! named bins?
Chris@498 596 stream << " af:feature \"" << feature.values[0];
Chris@498 597 for (int j = 1; j < feature.values.size(); ++j) {
Chris@498 598 stream << " " << feature.values[j];
Chris@498 599 }
Chris@498 600 stream << "\" ";
Chris@498 601 }
Chris@498 602
Chris@498 603 stream << ".\n";
Chris@498 604 }
Chris@498 605 }
Chris@498 606
Chris@498 607 void
Chris@507 608 RDFFeatureWriter::writeTrackLevelRDF(QTextStream *sptr,
Chris@507 609 const Transform &transform,
Chris@507 610 const Plugin::OutputDescriptor& od,
Chris@507 611 const Plugin::FeatureList& featureList,
Chris@507 612 PluginRDFDescription &desc,
Chris@507 613 QString signalURI)
Chris@507 614 {
Chris@507 615 if (featureList.empty()) return;
Chris@507 616 QTextStream &stream = *sptr;
Chris@507 617
Chris@507 618 bool plain = (m_plain || !desc.haveDescription());
Chris@507 619
Chris@507 620 QString outputId = od.identifier.c_str();
Chris@507 621 QString featureUri = desc.getOutputFeatureAttributeURI(outputId);
Chris@507 622
Chris@507 623 if (featureUri == "") {
Chris@690 624 SVDEBUG << "RDFFeatureWriter::writeTrackLevelRDF: ERROR: No feature URI available -- this function should not have been called!" << endl;
Chris@507 625 return;
Chris@507 626 }
Chris@507 627
Chris@507 628 for (int i = 0; i < featureList.size(); ++i) {
Chris@507 629
Chris@507 630 const Plugin::Feature &feature = featureList[i];
Chris@507 631
Chris@507 632 if (feature.values.empty()) {
Chris@507 633
Chris@507 634 if (feature.label == "") continue;
Chris@507 635
Chris@508 636 stream << signalURI << " " << featureUri << " \"\"\""
Chris@508 637 << feature.label.c_str() << "\"\"\" .\n";
Chris@507 638
Chris@507 639 } else {
Chris@507 640
Chris@507 641 stream << signalURI << " " << featureUri << " \""
Chris@507 642 << feature.values[0] << "\"^^xsd:float .\n";
Chris@507 643 }
Chris@507 644 }
Chris@507 645 }
Chris@507 646
Chris@507 647 void
Chris@498 648 RDFFeatureWriter::writeDenseRDF(QTextStream *sptr,
Chris@498 649 const Transform &transform,
Chris@498 650 const Plugin::OutputDescriptor& od,
Chris@498 651 const Plugin::FeatureList& featureList,
Chris@498 652 PluginRDFDescription &desc,
Chris@498 653 QString signalURI,
Chris@498 654 QString timelineURI)
Chris@498 655 {
Chris@498 656 if (featureList.empty()) return;
Chris@498 657
Chris@498 658 StringTransformPair sp(signalURI, transform);
Chris@498 659
Chris@498 660 if (m_openDenseFeatures.find(sp) == m_openDenseFeatures.end()) {
Chris@498 661
Chris@498 662 StreamBuffer b(sptr, "");
Chris@498 663 m_openDenseFeatures[sp] = b;
Chris@498 664
Chris@498 665 QString &str(m_openDenseFeatures[sp].second);
Chris@498 666 QTextStream stream(&str);
Chris@498 667
Chris@498 668 bool plain = (m_plain || !desc.haveDescription());
Chris@498 669 QString outputId = od.identifier.c_str();
Chris@498 670
Chris@602 671 unsigned long featureNumber = m_count++;
Chris@498 672
Chris@498 673 // need to write out feature timeline map -- for this we need
Chris@498 674 // the sample rate, window length and hop size from the
Chris@498 675 // transform
Chris@498 676
Chris@498 677 stream << "\n:feature_timeline_" << featureNumber << " a tl:DiscreteTimeLine .\n\n";
Chris@498 678
Chris@498 679 size_t stepSize = transform.getStepSize();
Chris@498 680 if (stepSize == 0) {
Chris@498 681 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the step size properly!" << endl;
Chris@498 682 return;
Chris@498 683 }
Chris@498 684
Chris@498 685 size_t blockSize = transform.getBlockSize();
Chris@498 686 if (blockSize == 0) {
Chris@498 687 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the block size properly!" << endl;
Chris@498 688 return;
Chris@498 689 }
Chris@498 690
Chris@498 691 float sampleRate = transform.getSampleRate();
Chris@498 692 if (sampleRate == 0.f) {
Chris@498 693 cerr << "RDFFeatureWriter: INTERNAL ERROR: writing dense features without having set the sample rate properly!" << endl;
Chris@498 694 return;
Chris@498 695 }
Chris@498 696
Chris@498 697 stream << ":feature_timeline_map_" << featureNumber
Chris@498 698 << " a tl:UniformSamplingWindowingMap ;\n"
Chris@498 699 << " tl:rangeTimeLine :feature_timeline_" << featureNumber << " ;\n"
Chris@498 700 << " tl:domainTimeLine " << timelineURI << " ;\n"
Chris@498 701 << " tl:sampleRate \"" << int(sampleRate) << "\"^^xsd:int ;\n"
Chris@498 702 << " tl:windowLength \"" << blockSize << "\"^^xsd:int ;\n"
Chris@498 703 << " tl:hopSize \"" << stepSize << "\"^^xsd:int .\n\n";
Chris@498 704
Chris@498 705 stream << signalURI << " af:signal_feature :feature_"
Chris@498 706 << featureNumber << " ." << endl << endl;
Chris@498 707
Chris@498 708 stream << ":feature_" << featureNumber << " a ";
Chris@498 709
Chris@498 710 QString signalTypeURI = desc.getOutputSignalTypeURI(outputId);
Chris@498 711 if (plain || signalTypeURI == "") {
Chris@498 712 if (m_syntheticSignalTypeURIs.find(transform) !=
Chris@498 713 m_syntheticSignalTypeURIs.end()) {
Chris@498 714 stream << m_syntheticSignalTypeURIs[transform] << " ;\n";
Chris@498 715 } else {
Chris@498 716 stream << ":signal_type_" << outputId << " ;\n";
Chris@498 717 }
Chris@498 718 } else {
Chris@587 719 stream << "<" << signalTypeURI << "> ;\n";
Chris@498 720 }
Chris@498 721
Chris@498 722 stream << " mo:time ["
Chris@498 723 << "\n a tl:Interval ;"
Chris@498 724 << "\n tl:onTimeLine :feature_timeline_" << featureNumber << " ;";
Chris@498 725
Chris@498 726 RealTime startrt = transform.getStartTime();
Chris@498 727 RealTime durationrt = transform.getDuration();
Chris@498 728
Chris@498 729 int start = RealTime::realTime2Frame(startrt, sampleRate) / stepSize;
Chris@498 730 int duration = RealTime::realTime2Frame(durationrt, sampleRate) / stepSize;
Chris@498 731
Chris@498 732 if (start != 0) {
Chris@498 733 stream << "\n tl:start \"" << start << "\"^^xsd:int ;";
Chris@498 734 }
Chris@498 735 if (duration != 0) {
Chris@498 736 stream << "\n tl:duration \"" << duration << "\"^^xsd:int ;";
Chris@498 737 }
Chris@498 738
Chris@498 739 stream << "\n ] ;\n";
Chris@498 740
Chris@584 741 if (transform.getIdentifier() != "") {
Chris@584 742 stream << " vamp:computed_by " << m_transformURIs[transform] << " ;\n";
Chris@584 743 }
Chris@584 744
Chris@498 745 if (od.hasFixedBinCount) {
Chris@498 746 // We only know the height, so write the width as zero
Chris@498 747 stream << " af:dimensions \"" << od.binCount << " 0\" ;\n";
Chris@498 748 }
Chris@498 749
Chris@498 750 stream << " af:value \"";
Chris@498 751 }
Chris@498 752
Chris@498 753 QString &str = m_openDenseFeatures[sp].second;
Chris@498 754 QTextStream stream(&str);
Chris@498 755
Chris@498 756 for (int i = 0; i < featureList.size(); ++i) {
Chris@498 757
Chris@498 758 const Plugin::Feature &feature = featureList[i];
Chris@498 759
Chris@498 760 for (int j = 0; j < feature.values.size(); ++j) {
Chris@498 761 stream << feature.values[j] << " ";
Chris@498 762 }
Chris@498 763 }
Chris@498 764 }
Chris@498 765
Chris@498 766 void RDFFeatureWriter::finish()
Chris@498 767 {
Chris@690 768 // SVDEBUG << "RDFFeatureWriter::finish()" << endl;
Chris@498 769
Chris@498 770 // close any open dense feature literals
Chris@498 771
Chris@498 772 for (map<StringTransformPair, StreamBuffer>::iterator i =
Chris@498 773 m_openDenseFeatures.begin();
Chris@498 774 i != m_openDenseFeatures.end(); ++i) {
Chris@690 775 // SVDEBUG << "closing a stream" << endl;
Chris@498 776 StreamBuffer &b = i->second;
Chris@498 777 *(b.first) << b.second << "\" ." << endl;
Chris@498 778 }
Chris@498 779
Chris@498 780 m_openDenseFeatures.clear();
Chris@530 781 m_startedStreamTransforms.clear();
Chris@530 782
Chris@530 783 FileFeatureWriter::finish();
Chris@498 784 }
Chris@498 785
Chris@498 786