diff runner/BinaryFeatureWriter.h @ 60:da84d2efd7a3

Added NumPy compatible binary feature writer for track-level outputs

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/runner/BinaryFeatureWriter.h	Sun Feb 12 19:55:06 2012 +0000
@@ -0,0 +1,74 @@
+/* -*- 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 2007-2008 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 _BINARY_FEATURE_WRITER_H_
+#define _BINARY_FEATURE_WRITER_H_
+
+#include <string>
+#include <map>
+#include <fstream>
+
+using std::string;
+using std::map;
+
+#include "transform/FeatureWriter.h"
+
+class BinaryFeatureWriter : public FeatureWriter
+{
+public:
+    BinaryFeatureWriter();
+    virtual ~BinaryFeatureWriter();
+
+    virtual ParameterList getSupportedParameters() const;
+    virtual void setParameters(map<string, string> &params);
+
+    virtual void setOutputFile(const string &);
+
+    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 "binary"; }
+
+private:
+	// Parameters
+	string outputFile;
+	
+	// Parameter names (class vars)
+    static string outputFileParam;
+    
+	struct OutputStream;
+	/*
+	struct BinaryFeatureWriter::TrackStream
+	{
+	    QString trackid;
+	    ofstream* ofs;
+	};
+	*/
+	typedef std::map<QString, float> ParameterMap;
+	
+	OutputStream *binary;
+    
+	bool openBinaryFile();
+	long feature_count;
+	long data_size_pos;
+	long output_binCount;
+};
+
+#endif