1 files changed, 101 insertions, 0 deletions
diff --git a/khotkeys/shared/voicesignature.h b/khotkeys/shared/voicesignature.h
new file mode 100644
index 000000000..b4857efd2
--- /dev/null
+++ b/khotkeys/shared/voicesignature.h
@@ -0,0 +1,101 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Olivier Goffart   *
+ *   [email protected]   *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+#ifndef SIGNATURE_H
+#define SIGNATURE_H
+
+
+#include <qmemarray.h>
+#include <qmap.h>
+#include <kdemacros.h>
+
+class Sound;
+class KConfigBase;
+
+
+#define WINDOW_MINIMUM 0.10
+#define WINDOW_MINIMUM_ECART 200
+#define WINDOW_NUMBER 7
+#define WINDOW_SUPER 0.43
+#define WINDOW_UNIT sound.fs()/4
+#define FOUR_NUMBER 7
+#define FOUR_SUPER 0
+
+
+#define FFT_RANGE_INF 370
+#define FFT_RANGE_SUP 2000
+// #define FFT_PONDERATION(f) ((double)log(1+(f))/log(10))
+#define FFT_PONDERATION(f) 1
+
+
+// theses settings are better in a 8000Hz fs
+/*#define FFT_RANGE_INF 300
+#define FFT_RANGE_SUP 1500*/
+
+
+//#define REJECT_FACTOR_ECART_REL 0.5
+#define REJECT_FACTOR_DIFF 0.0018
+
+
+
+#define HAMMING false
+
+
+
+
+namespace KHotKeys
+{
+
+
+/**
+@author Olivier Goffart
+*/
+class KDE_EXPORT VoiceSignature{
+public:
+    explicit VoiceSignature(const Sound& s);
+
+	VoiceSignature(){}
+	~VoiceSignature();
+
+	QMap<int, QMap<int, double> > data;
+	
+	static QMap<int, QMap<int, double> > pond;
+
+	static float diff(const VoiceSignature &s1, const VoiceSignature &s2);
+
+
+	static int size1();
+	static int size2();
+
+
+	static QMemArray<double> fft(const Sound& sound, unsigned int start, unsigned int stop);
+	static bool window(const Sound& sound, unsigned int *start, unsigned int *stop);
+
+	void write(KConfigBase *cfg, const QString &key) const;
+	void read(KConfigBase *cfg, const QString &key);
+	
+	inline bool isNull() const
+	{
+		return data.isEmpty();
+	}
+};
+
+}
+
+#endif