Chris@498: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@498: 
Chris@498: /*
Chris@498:     Sonic Visualiser
Chris@498:     An audio file viewer and annotation editor.
Chris@498: 
Chris@498:     Sonic Annotator
Chris@498:     A utility for batch feature extraction from audio files.
Chris@498: 
Chris@498:     Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
Chris@498:     Copyright 2007-2008 QMUL.
Chris@498: 
Chris@498:     This program is free software; you can redistribute it and/or
Chris@498:     modify it under the terms of the GNU General Public License as
Chris@498:     published by the Free Software Foundation; either version 2 of the
Chris@498:     License, or (at your option) any later version.  See the file
Chris@498:     COPYING included with this distribution for more information.
Chris@498: */
Chris@498: 
Chris@498: #ifndef _FEATURE_WRITER_H_
Chris@498: #define _FEATURE_WRITER_H_
Chris@498: 
Chris@498: #include <string>
Chris@498: #include <map>
Chris@498: #include <vector>
Chris@498: 
Chris@498: #include <QString>
Chris@498: 
Chris@498: #include "Transform.h"
Chris@498: 
Chris@498: #include <vamp-hostsdk/Plugin.h>
Chris@498: 
Chris@498: using std::string;
Chris@498: using std::map;
Chris@498: using std::vector;
Chris@498: 
Chris@498: class FeatureWriter
Chris@498: {
Chris@498: public:
Chris@498:     virtual ~FeatureWriter() { }
Chris@498: 
Chris@498:     struct Parameter { // parameter of the writer, not the plugin
Chris@498:         string name;
Chris@498:         string description;
Chris@498:         bool hasArg;
Chris@498:     };
Chris@498:     typedef vector<Parameter> ParameterList;
Chris@498:     virtual ParameterList getSupportedParameters() const {
Chris@498:         return ParameterList();
Chris@498:     }
Chris@498: 
Chris@498:     virtual void setParameters(map<string, string> &params) {
Chris@498:         return;
Chris@498:     }
Chris@498: 
Chris@504:     struct TrackMetadata {
Chris@504:         QString title;
Chris@504:         QString maker;
Chris@504:     };
Chris@504:     virtual void setTrackMetadata(QString trackid, TrackMetadata metadata) { }
Chris@504: 
Chris@498:     // may throw FailedToOpenFile or other exceptions
Chris@498: 
Chris@498:     virtual void write(QString trackid,
Chris@498:                        const Transform &transform,
Chris@498:                        const Vamp::Plugin::OutputDescriptor &output,
Chris@498:                        const Vamp::Plugin::FeatureList &features,
Chris@498:                        std::string summaryType = "") = 0;
Chris@498: 
Chris@498:     virtual void finish() = 0;
Chris@498: };
Chris@498: 
Chris@498: #endif