Chris@145: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@145: 
Chris@145: /*
Chris@145:     Sonic Annotator
Chris@145:     A utility for batch feature extraction from audio files.
Chris@145:     Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
Chris@145:     Copyright 2007-2014 QMUL.
Chris@145: 
Chris@145:     This program is free software; you can redistribute it and/or
Chris@145:     modify it under the terms of the GNU General Public License as
Chris@145:     published by the Free Software Foundation; either version 2 of the
Chris@145:     License, or (at your option) any later version.  See the file
Chris@145:     COPYING included with this distribution for more information.
Chris@145: */
Chris@145: 
Chris@145: #include "JAMSFeatureWriter.h"
Chris@145: 
Chris@145: using namespace std;
Chris@145: using Vamp::Plugin;
Chris@145: using Vamp::PluginBase;
Chris@145: 
Chris@145: #include "base/Exceptions.h"
Chris@145: #include "rdf/PluginRDFIndexer.h"
Chris@145: 
Chris@166: #include <QFileInfo>
Chris@189: #include <QTextCodec>
Chris@166: 
Chris@162: #include "version.h"
Chris@162: 
Chris@145: JAMSFeatureWriter::JAMSFeatureWriter() :
Chris@145:     FileFeatureWriter(SupportOneFilePerTrackTransform |
Chris@145:                       SupportOneFilePerTrack |
Chris@152:                       SupportOneFileTotal |
Chris@145: 		      SupportStdOut,
Chris@200:                       "json"), // file extension is json even with jams writer
Chris@145:     m_network(false),
Chris@169:     m_networkRetrieved(false),
Chris@169:     m_n(1),
Chris@204:     m_m(1),
Chris@204:     m_digits(6)
Chris@145: {
Chris@145: }
Chris@145: 
Chris@145: JAMSFeatureWriter::~JAMSFeatureWriter()
Chris@145: {
Chris@145: }
Chris@145: 
Chris@145: string
Chris@145: JAMSFeatureWriter::getDescription() const
Chris@145: {
Chris@170:     return "Write features to JSON files in JAMS (JSON Annotated Music Specification) format. WARNING: This is a provisional implementation! The output format may change in future releases to comply more effectively with the specification. Please report any problems you find with the current implementation.";
Chris@145: }
Chris@145: 
Chris@145: JAMSFeatureWriter::ParameterList
Chris@145: JAMSFeatureWriter::getSupportedParameters() const
Chris@145: {
Chris@145:     ParameterList pl = FileFeatureWriter::getSupportedParameters();
Chris@145:     Parameter p;
Chris@145: 
Chris@204:     p.name = "digits";
Chris@204:     p.description = "Specify the number of significant digits to use when printing transform outputs. Outputs are represented internally using single-precision floating-point, so digits beyond the 8th or 9th place are usually meaningless. The default is 6.";
Chris@204:     p.hasArg = true;
Chris@204:     pl.push_back(p);
Chris@204: 
Chris@145:     p.name = "network";
Chris@197:     p.description = "Attempt to retrieve RDF descriptions of plugins from network, if not available locally.";
Chris@145:     p.hasArg = false;
Chris@145:     pl.push_back(p);
Chris@145: 
Chris@145:     return pl;
Chris@145: }
Chris@145: 
Chris@145: void
Chris@145: JAMSFeatureWriter::setParameters(map<string, string> &params)
Chris@145: {
Chris@145:     FileFeatureWriter::setParameters(params);
Chris@145: 
Chris@145:     for (map<string, string>::iterator i = params.begin();
Chris@145:          i != params.end(); ++i) {
Chris@145:         if (i->first == "network") {
Chris@145:             m_network = true;
Chris@204:         } else if (i->first == "digits") {
Chris@204:             int digits = atoi(i->second.c_str());
Chris@204:             if (digits <= 0 || digits > 100) {
Chris@204:                 cerr << "JAMSFeatureWriter: ERROR: Invalid or out-of-range value for number of significant digits: " << i->second << endl;
Chris@204:                 cerr << "JAMSFeatureWriter: NOTE: Continuing with default settings" << endl;
Chris@204:             } else {
Chris@204:                 m_digits = digits;
Chris@204:             }
Chris@145:         }
Chris@145:     }
Chris@145: }
Chris@145: 
Chris@145: void
Chris@145: JAMSFeatureWriter::setTrackMetadata(QString trackId, TrackMetadata metadata)
Chris@145: {
Chris@167:     m_trackMetadata[trackId] = metadata;
Chris@145: }
Chris@145: 
Chris@153: static double
Chris@153: realTime2Sec(const Vamp::RealTime &r)
Chris@153: {
Chris@153:     return r / Vamp::RealTime(1, 0);
Chris@153: }
Chris@153: 
Chris@145: void
Chris@145: JAMSFeatureWriter::write(QString trackId,
Chris@145: 			 const Transform &transform,
Chris@145: 			 const Plugin::OutputDescriptor& ,
Chris@145: 			 const Plugin::FeatureList& features,
Chris@145: 			 std::string /* summaryType */)
Chris@145: {
Chris@145:     QString transformId = transform.getIdentifier();
Chris@145: 
Chris@189:     QTextStream *sptr = getOutputStream
Chris@189:         (trackId, transformId, QTextCodec::codecForName("UTF-8"));
Chris@145:     if (!sptr) {
Chris@145:         throw FailedToOpenOutputStream(trackId, transformId);
Chris@145:     }
Chris@145: 
Chris@167:     DataId did(trackId, transform);
Chris@145: 
Chris@167:     if (m_data.find(did) == m_data.end()) {
Chris@167: 	identifyTask(transform);
Chris@167:         m_streamTracks[sptr].insert(trackId);
Chris@167:         m_streamTasks[sptr].insert(m_tasks[transformId]);
Chris@167:         m_streamData[sptr].insert(did);
Chris@152:     }
Chris@152: 
Chris@167:     QString d = m_data[did];
Chris@153: 
Chris@145:     for (int i = 0; i < int(features.size()); ++i) {
Chris@153: 
Chris@167:         if (d != "") {
Chris@153:             d += ",\n";
Chris@153:         }
Chris@153:         
Chris@153:         d += "    { ";
Chris@145: 	
Chris@153:         Plugin::Feature f(features[i]);
Chris@153: 
Chris@204:         QString timestr = f.timestamp.toString().c_str();
Chris@204:         timestr.replace(QRegExp("^ +"), "");
Chris@204: 
Chris@208:         QString durstr = "0.0";
Chris@168:         if (f.hasDuration) {
Chris@208:             durstr = f.duration.toString().c_str();
Chris@208:             durstr.replace(QRegExp("^ +"), "");
Chris@153:         }
Chris@153:         
Chris@208:         d += QString("\"time\": %1, \"duration\": %2, \"confidence\": 1.0")
Chris@208:             .arg(timestr).arg(durstr);
Chris@208: 
Chris@208:         // here we have to differ from the JAMS 0.2.0 spec. It allows
Chris@208:         // a single "value" element which can be either a number or a
Chris@208:         // string, depending on the selected task. But we may have
Chris@208:         // many values and may have a label as well, and no way to
Chris@208:         // know whether these can be made to conform to the JAMS task
Chris@208:         // schema. We should just write what we have. If we only have
Chris@208:         // a label, we can write that out as "value" as JAMS requests,
Chris@208:         // but if we have a (numerical) value and a label, we really
Chris@208:         // have to write them separately, and if we have multiple
Chris@208:         // values we'll have to use an array. The chances of actually
Chris@208:         // ending up with a schema-compliant JAMS format are quite
Chris@208:         // small, which suggests JAMS isn't a great idea for this
Chris@208:         // after all!
Chris@208:         
Chris@153:         if (f.label != "") {
Chris@208:             if (f.values.empty()) {
Chris@208:                 d += QString(", \"value\": \"%2\"").arg(f.label.c_str());
Chris@208:             } else {
Chris@208:                 d += QString(", \"label\": \"%2\"").arg(f.label.c_str());
Chris@208:             }
Chris@167:         }
Chris@167: 
Chris@208:         if (!f.values.empty()) {
Chris@208:             d += QString(", \"value\": ");
Chris@208:             if (f.values.size() > 1) {
Chris@208:                 d += "[ ";
Chris@208:             }
Chris@167:             for (int j = 0; j < int(f.values.size()); ++j) {
Chris@169:                 if (isnan(f.values[j])) {
Chris@192:                     d += "\"NaN\"";
Chris@169:                 } else if (isinf(f.values[j])) {
Chris@192:                     d += "\"Inf\"";
Chris@169:                 } else {
Chris@204:                     d += QString("%1").arg(f.values[j], 0, 'g', m_digits);
Chris@192:                 }
Chris@192:                 if (j + 1 < int(f.values.size())) {
Chris@192:                     d += ", ";
Chris@169:                 }
Chris@167:             }
Chris@208:             if (f.values.size() > 1) {
Chris@208:                 d += " ]";
Chris@208:             }
Chris@153:         }
Chris@153:             
Chris@153:         d += " }";
Chris@145:     }	
Chris@153: 
Chris@167:     m_data[did] = d;
Chris@145: }
Chris@145: 
Chris@145: void
Chris@169: JAMSFeatureWriter::setNofM(int n, int m)
Chris@169: {
Chris@169:     if (m_singleFileName != "" || m_stdout) {
Chris@169:         m_n = n;
Chris@169:         m_m = m;
Chris@169:     } else {
Chris@169:         m_n = 1;
Chris@169:         m_m = 1;
Chris@169:     }
Chris@169: }
Chris@169: 
Chris@169: void
Chris@152: JAMSFeatureWriter::finish()
Chris@152: {
Chris@167:     for (FileStreamMap::const_iterator stri = m_streams.begin();
Chris@167: 	 stri != m_streams.end(); ++stri) {
Chris@152: 
Chris@167:         QTextStream *sptr = stri->second;
Chris@167:         QTextStream &stream = *sptr;
Chris@152: 
Chris@167:         bool firstInStream = true;
Chris@167: 
Chris@167:         for (TrackIds::const_iterator tri = m_streamTracks[sptr].begin();
Chris@167:              tri != m_streamTracks[sptr].end(); ++tri) {
Chris@167: 
Chris@167:             TrackId trackId = *tri;
Chris@167: 
Chris@169:             if (firstInStream) {
Chris@169:                 if (m_streamTracks[sptr].size() > 1 || (m_m > 1 && m_n == 1)) {
Chris@169:                     stream << "[\n";
Chris@169:                 }
Chris@169:             }
Chris@169: 
Chris@169:             if (!firstInStream || (m_m > 1 && m_n > 1)) {
Chris@167:                 stream << ",\n";
Chris@167:             }
Chris@167: 
Chris@167:             stream << "{\n"
Chris@167:                    << QString("\"file_metadata\": {\n"
Chris@208:                               "  \"jams_version\": \"0.2.0\",\n"
Chris@208:                               "  \"identifiers\": { \"filename\": \"%1\" }")
Chris@167:                 .arg(QFileInfo(trackId).fileName());
Chris@167: 
Chris@167:             if (m_trackMetadata.find(trackId) != m_trackMetadata.end()) {
Chris@208: 
Chris@208:                 QString durstr = m_trackMetadata[trackId].duration.toString().c_str();
Chris@208:                 durstr.replace(QRegExp("^ +"), "");
Chris@208:                 stream << QString(",\n  \"duration\": %1").arg(durstr);
Chris@208: 
Chris@167:                 if (m_trackMetadata[trackId].maker != "") {
Chris@167:                     stream << QString(",\n  \"artist\": \"%1\"")
Chris@167:                         .arg(m_trackMetadata[trackId].maker);
Chris@167:                 }
Chris@167:                 if (m_trackMetadata[trackId].title != "") {
Chris@167:                     stream << QString(",\n  \"title\": \"%1\"")
Chris@167:                         .arg(m_trackMetadata[trackId].title);
Chris@167:                 }
Chris@167:             }
Chris@167: 
Chris@167:             stream << "\n},\n";
Chris@208:             stream << "\"annotations\": [\n";
Chris@167: 
Chris@167:             bool firstInTrack = true;
Chris@167: 
Chris@167:             for (Tasks::const_iterator ti = m_streamTasks[sptr].begin();
Chris@167:                  ti != m_streamTasks[sptr].end(); ++ti) {
Chris@167:                 
Chris@167:                 Task task = *ti;
Chris@167: 
Chris@167:                 for (DataIds::const_iterator di = m_streamData[sptr].begin();
Chris@167:                      di != m_streamData[sptr].end(); ++di) {
Chris@167:                     
Chris@167:                     DataId did = *di;
Chris@167: 
Chris@167:                     QString trackId = did.first;
Chris@167:                     Transform transform = did.second;
Chris@167: 
Chris@167:                     if (m_tasks[transform.getIdentifier()] != task) continue;
Chris@167: 
Chris@167:                     QString data = m_data[did];
Chris@167: 
Chris@208:                     if (!firstInTrack) {
Chris@167:                         stream << ",\n";
Chris@167:                     }
Chris@167: 
Chris@208:                     stream << "{\n  \"namespace\": \"" << getTaskKey(task) << "\",\n";
Chris@208: 
Chris@167:                     stream << QString
Chris@208:                         ("  \"annotation_metadata\": {\n"
Chris@167:                          "    \"annotation_tools\": \"Sonic Annotator v%2\",\n"
Chris@167:                          "    \"data_source\": \"Automatic feature extraction\",\n"
Chris@167:                          "    \"annotator\": {\n"
Chris@167:                          "%3"
Chris@167:                          "    }\n"
Chris@167:                          "  },\n"
Chris@167:                          "  \"data\": [\n")
Chris@167:                         .arg(RUNNER_VERSION)
Chris@167:                         .arg(writeTransformToObjectContents(transform));
Chris@167: 
Chris@167:                     stream << data;
Chris@167: 
Chris@167:                     stream << "\n  ]\n}";
Chris@208:                     firstInTrack = false;
Chris@167:                 }
Chris@208:             }
Chris@167: 
Chris@208:             stream << "\n]";
Chris@167: 
Chris@167:             stream << "\n}";
Chris@167:             firstInStream = false;
Chris@152:         }
Chris@167: 
Chris@169:         if (!firstInStream) {
Chris@169:             if (m_streamTracks[sptr].size() > 1 || (m_m > 1 && m_n == m_m)) {
Chris@169:                 stream << "\n]";
Chris@169:             }
Chris@169:             stream << "\n";
Chris@167:         }
Chris@152:     }
Chris@152:         
Chris@167:     m_streamTracks.clear();
Chris@167:     m_streamTasks.clear();
Chris@167:     m_streamData.clear();
Chris@152:     m_data.clear();
Chris@152: 
Chris@152:     FileFeatureWriter::finish();
Chris@152: }
Chris@152: 
Chris@152: void
Chris@145: JAMSFeatureWriter::loadRDFDescription(const Transform &transform)
Chris@145: {
Chris@145:     QString pluginId = transform.getPluginIdentifier();
Chris@145:     if (m_rdfDescriptions.find(pluginId) != m_rdfDescriptions.end()) return;
Chris@145: 
Chris@145:     if (m_network && !m_networkRetrieved) {
Chris@145: 	PluginRDFIndexer::getInstance()->indexConfiguredURLs();
Chris@145: 	m_networkRetrieved = true;
Chris@145:     }
Chris@145: 
Chris@145:     m_rdfDescriptions[pluginId] = PluginRDFDescription(pluginId);
Chris@145:     
Chris@145:     if (m_rdfDescriptions[pluginId].haveDescription()) {
Chris@145: 	cerr << "NOTE: Have RDF description for plugin ID \""
Chris@145: 	     << pluginId << "\"" << endl;
Chris@145:     } else {
Chris@145: 	cerr << "NOTE: No RDF description for plugin ID \""
Chris@145: 	     << pluginId << "\"" << endl;
Chris@145: 	if (!m_network) {
Chris@200: 	    cerr << "      Consider using the --jams-network option to retrieve plugin descriptions"  << endl;
Chris@145: 	    cerr << "      from the network where possible." << endl;
Chris@145: 	}
Chris@145:     }
Chris@145: }
Chris@145: 
Chris@145: void
Chris@145: JAMSFeatureWriter::identifyTask(const Transform &transform)
Chris@145: {
Chris@145:     QString transformId = transform.getIdentifier();
Chris@145:     if (m_tasks.find(transformId) != m_tasks.end()) return;
Chris@145: 
Chris@145:     loadRDFDescription(transform);
Chris@145:     
Chris@145:     Task task = UnknownTask;
Chris@145: 
Chris@145:     QString pluginId = transform.getPluginIdentifier();
Chris@145:     QString outputId = transform.getOutput();
Chris@145: 
Chris@145:     const PluginRDFDescription &desc = m_rdfDescriptions[pluginId];
Chris@145:     
Chris@145:     if (desc.haveDescription()) {
Chris@145: 
Chris@145: 	PluginRDFDescription::OutputDisposition disp = 
Chris@145: 	    desc.getOutputDisposition(outputId);
Chris@145: 
Chris@145: 	QString af = "http://purl.org/ontology/af/";
Chris@145: 	    
Chris@145: 	if (disp == PluginRDFDescription::OutputSparse) {
Chris@145: 
Chris@145: 	    QString eventUri = desc.getOutputEventTypeURI(outputId);
Chris@145: 
Chris@145: 	    //!!! todo: allow user to prod writer for task type
Chris@145: 
Chris@145: 	    if (eventUri == af + "Note") {
Chris@145: 		task = NoteTask;
Chris@145: 	    } else if (eventUri == af + "Beat") {
Chris@145: 		task = BeatTask;
Chris@145: 	    } else if (eventUri == af + "ChordSegment") {
Chris@145: 		task = ChordTask;
Chris@145: 	    } else if (eventUri == af + "KeyChange") {
Chris@145: 		task = KeyTask;
Chris@145: 	    } else if (eventUri == af + "KeySegment") {
Chris@145: 		task = KeyTask;
Chris@145: 	    } else if (eventUri == af + "Onset") {
Chris@145: 		task = OnsetTask;
Chris@145: 	    } else if (eventUri == af + "NonTonalOnset") {
Chris@145: 		task = OnsetTask;
Chris@145: 	    } else if (eventUri == af + "Segment") {
Chris@145: 		task = SegmentTask;
Chris@145: 	    } else if (eventUri == af + "SpeechSegment") {
Chris@145: 		task = SegmentTask;
Chris@145: 	    } else if (eventUri == af + "StructuralSegment") {
Chris@145: 		task = SegmentTask;
Chris@145: 	    } else {
Chris@145: 		cerr << "WARNING: Unsupported event type URI <" 
Chris@145: 		     << eventUri << ">, proceeding with UnknownTask type"
Chris@145: 		     << endl;
Chris@145: 	    }
Chris@145: 
Chris@145: 	} else {
Chris@145: 
Chris@200: 	    cerr << "WARNING: Cannot currently write dense or track-level outputs to JAMS format (only sparse ones). Will proceed using UnknownTask type, but this probably isn't going to work" << endl;
Chris@145: 	}
Chris@145:     }	    
Chris@145: 
Chris@145:     m_tasks[transformId] = task;
Chris@145: }
Chris@145: 
Chris@145: QString
Chris@145: JAMSFeatureWriter::getTaskKey(Task task) 
Chris@145: {
Chris@145:     switch (task) {
Chris@145:     case UnknownTask: return "unknown";
Chris@145:     case BeatTask: return "beat";
Chris@145:     case OnsetTask: return "onset";
Chris@145:     case ChordTask: return "chord";
Chris@145:     case SegmentTask: return "segment";
Chris@145:     case KeyTask: return "key";
Chris@145:     case NoteTask: return "note";
Chris@145:     case MelodyTask: return "melody";
Chris@145:     case PitchTask: return "pitch";
Chris@145:     }
Chris@145:     return "unknown";
Chris@145: }
Chris@165: 
Chris@165: QString
Chris@165: JAMSFeatureWriter::writeTransformToObjectContents(const Transform &t)
Chris@165: {
Chris@165:     QString json;
Chris@165:     QString stpl("      \"%1\": \"%2\",\n");
Chris@165:     QString ntpl("      \"%1\": %2,\n");
Chris@165: 
Chris@165:     json += stpl.arg("plugin_id").arg(t.getPluginIdentifier());
Chris@165:     json += stpl.arg("output_id").arg(t.getOutput());
Chris@165: 
Chris@165:     if (t.getSummaryType() != Transform::NoSummary) {
Chris@165:         json += stpl.arg("summary_type")
Chris@165:             .arg(Transform::summaryTypeToString(t.getSummaryType()));
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getPluginVersion() != QString()) {
Chris@165:         json += stpl.arg("plugin_version").arg(t.getPluginVersion());
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getProgram() != QString()) {
Chris@165:         json += stpl.arg("program").arg(t.getProgram());
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getStepSize() != 0) {
Chris@165:         json += ntpl.arg("step_size").arg(t.getStepSize());
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getBlockSize() != 0) {
Chris@165:         json += ntpl.arg("block_size").arg(t.getBlockSize());
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getWindowType() != HanningWindow) {
Chris@165:         json += stpl.arg("window_type")
Chris@165:             .arg(Window<float>::getNameForType(t.getWindowType()).c_str());
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getStartTime() != RealTime::zeroTime) {
Chris@204:         json += ntpl.arg("start")
Chris@204:             .arg(t.getStartTime().toDouble(), 0, 'g', 9);
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getDuration() != RealTime::zeroTime) {
Chris@204:         json += ntpl.arg("duration")
Chris@204:             .arg(t.getDuration().toDouble(), 0, 'g', 9);
Chris@165:     }
Chris@165: 
Chris@165:     if (t.getSampleRate() != 0) {
Chris@165:         json += ntpl.arg("sample_rate").arg(t.getSampleRate());
Chris@165:     }
Chris@165: 
Chris@165:     if (!t.getParameters().empty()) {
Chris@165:         json += QString("      \"parameters\": {\n");
Chris@165:         Transform::ParameterMap parameters = t.getParameters();
Chris@165:         for (Transform::ParameterMap::const_iterator i = parameters.begin();
Chris@165:              i != parameters.end(); ++i) {
Chris@167:             if (i != parameters.begin()) {
Chris@167:                 json += ",\n";
Chris@167:             }
Chris@165:             QString name = i->first;
Chris@165:             float value = i->second;
Chris@204:             json += QString("        \"%1\": %2")
Chris@204:                 .arg(name)
Chris@204:                 .arg(value, 0, 'g', 8); // parameter values always to high precision
Chris@165:         }
Chris@167:         json += QString("\n      },\n");
Chris@165:     }
Chris@165: 
Chris@165:     // no trailing comma on final property:
Chris@165:     json += QString("      \"transform_id\": \"%1\"\n").arg(t.getIdentifier());
Chris@165: 
Chris@165:     return json;
Chris@165: }
Chris@165: