Chris@320: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@320: 
Chris@320: /*
Chris@320:     Sonic Visualiser
Chris@320:     An audio file viewer and annotation editor.
Chris@320:     Centre for Digital Music, Queen Mary, University of London.
Chris@320:     This file copyright 2006 Chris Cannam and QMUL.
Chris@320:     
Chris@320:     This program is free software; you can redistribute it and/or
Chris@320:     modify it under the terms of the GNU General Public License as
Chris@320:     published by the Free Software Foundation; either version 2 of the
Chris@320:     License, or (at your option) any later version.  See the file
Chris@320:     COPYING included with this distribution for more information.
Chris@320: */
Chris@320: 
Chris@849: #ifndef _FEATURE_EXTRACTION_MODEL_TRANSFORMER_H_
Chris@849: #define _FEATURE_EXTRACTION_MODEL_TRANSFORMER_H_
Chris@320: 
Chris@350: #include "ModelTransformer.h"
Chris@350: 
Chris@361: #include <QString>
Chris@1211: #include <QMutex>
Chris@1211: #include <QWaitCondition>
Chris@361: 
Chris@475: #include <vamp-hostsdk/Plugin.h>
Chris@350: 
Chris@350: #include <iostream>
Chris@876: #include <map>
Chris@320: 
Chris@320: class DenseTimeValueModel;
Chris@876: class SparseTimeValueModel;
Chris@320: 
Chris@350: class FeatureExtractionModelTransformer : public ModelTransformer
Chris@320: {
Chris@320:     Q_OBJECT
Chris@320: 
Chris@320: public:
Chris@350:     FeatureExtractionModelTransformer(Input input,
Chris@859:                                       const Transform &transform);
Chris@848: 
Chris@848:     // Obtain outputs for a set of transforms that all use the same
Chris@848:     // plugin and input (but with different outputs). i.e. run the
Chris@848:     // plugin once only and collect more than one output from it.
Chris@848:     FeatureExtractionModelTransformer(Input input,
Chris@859:                                       const Transforms &relatedTransforms);
gyorgyf@786: 
Chris@331:     virtual ~FeatureExtractionModelTransformer();
Chris@320: 
Chris@877:     // ModelTransformer method, retrieve the additional models
Chris@877:     Models getAdditionalOutputModels();
Chris@877:     bool willHaveAdditionalOutputModels();
Chris@877: 
Chris@320: protected:
Chris@849:     bool initialise();
Chris@849: 
Chris@320:     virtual void run();
Chris@320: 
Chris@320:     Vamp::Plugin *m_plugin;
Chris@849:     std::vector<Vamp::Plugin::OutputDescriptor *> m_descriptors; // per transform
Chris@849:     std::vector<int> m_fixedRateFeatureNos; // to assign times to FixedSampleRate features
Chris@876:     std::vector<int> m_outputNos; // list of plugin output indexes required for this group of transforms
Chris@320: 
Chris@876:     void createOutputModels(int n);
Chris@876: 
Chris@876:     std::map<int, bool> m_needAdditionalModels; // transformNo -> necessity
Chris@876:     typedef std::map<int, std::map<int, SparseTimeValueModel *> > AdditionalModelMap;
Chris@876:     AdditionalModelMap m_additionalModels;
Chris@876:     SparseTimeValueModel *getAdditionalModel(int transformNo, int binNo);
Chris@876: 
Chris@850:     void addFeature(int n,
Chris@1039:                     sv_frame_t blockFrame,
Chris@320: 		    const Vamp::Plugin::Feature &feature);
Chris@320: 
Chris@850:     void setCompletion(int, int);
Chris@320: 
Chris@1039:     void getFrames(int channelCount, sv_frame_t startFrame, sv_frame_t size,
Chris@363:                    float **buffer);
Chris@320: 
Chris@1211:     bool m_haveOutputs;
Chris@1211:     QMutex m_outputMutex;
Chris@1211:     QWaitCondition m_outputsCondition;
Chris@1211:     void awaitOutputModels();
Chris@1211:     
Chris@1211:     // just casts:
Chris@441: 
Chris@350:     DenseTimeValueModel *getConformingInput();
Chris@441: 
Chris@849:     template <typename ModelClass> bool isOutput(int n) {
Chris@849:         return dynamic_cast<ModelClass *>(m_outputs[n]) != 0;
Chris@441:     }
Chris@441: 
Chris@849:     template <typename ModelClass> ModelClass *getConformingOutput(int n) {
Chris@849:         if ((int)m_outputs.size() > n) {
Chris@849:             ModelClass *mc = dynamic_cast<ModelClass *>(m_outputs[n]);
Chris@849:             if (!mc) {
Chris@849:                 std::cerr << "FeatureExtractionModelTransformer::getOutput: Output model not conformable" << std::endl;
Chris@849:             }
Chris@849:             return mc;
Chris@849:         } else {
Chris@849:             std::cerr << "FeatureExtractionModelTransformer::getOutput: No such output number " << n << std::endl;
Chris@849:             return 0;
Chris@849:         }
Chris@320:     }
Chris@320: };
Chris@320: 
Chris@320: #endif
Chris@320: