comparison runner/MIDIFeatureWriter.h @ 143:ad425b9096bd

Merge from branch 'midi'

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Annotator
+    A utility for batch feature extraction from audio files.
+
+    Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
+    Copyright 2007-2014 QMUL.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _MIDI_FEATURE_WRITER_H_
+#define _MIDI_FEATURE_WRITER_H_
+
+#include "transform/FileFeatureWriter.h"
+#include "data/model/NoteData.h"
+
+class MIDIFileWriter;
+
+class MIDIFeatureWriter : public FileFeatureWriter
+{
+public:
+    MIDIFeatureWriter();
+    virtual ~MIDIFeatureWriter();
+
+    virtual ParameterList getSupportedParameters() const;
+    virtual void setParameters(map<string, string> &params);
+
+    virtual void setTrackMetadata(QString trackid, TrackMetadata metadata);
+
+    virtual void write(QString trackid,
+                       const Transform &transform,
+                       const Vamp::Plugin::OutputDescriptor &output,
+                       const Vamp::Plugin::FeatureList &features,
+                       std::string summaryType = "");
+
+    virtual void finish();
+
+    virtual QString getWriterTag() const { return "midi"; }
+
+private:
+    class TrivialNoteExportable : public NoteExportable {
+    public:
+	TrivialNoteExportable(NoteList notes) : m_notes(notes) { }
+	virtual NoteList getNotes() const {
+	    return m_notes;
+	}
+	virtual NoteList getNotesWithin(int, int) const {
+	    // Not required by MIDIFileWriter, not supported
+	    return NoteList();
+	}
+    private:
+	NoteList m_notes;
+    };
+
+    typedef map<QString, NoteList> NoteMap; // output filename -> notes
+    NoteMap m_notes;
+    
+    typedef map<QString, set<TransformId> > FileTransformMap;
+    FileTransformMap m_fileTransforms;
+
+    typedef map<QString, float> SampleRateMap; // NoteData uses sample timing
+    SampleRateMap m_rates;
+
+    typedef map<TransformId, int> ChannelMap;
+    ChannelMap m_channels;
+    
+    typedef map<QString, int> NextChannelMap;
+    NextChannelMap m_nextChannels;
+};
+
+#endif
+