diff base/Pitch.h @ 0:fc9323a41f5a

start base : Sonic Visualiser sv1-1.0rc1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/base/Pitch.h	Fri May 11 09:08:14 2007 +0000
@@ -0,0 +1,44 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006 Chris Cannam.
+    
+    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 _PITCH_H_
+#define _PITCH_H_
+
+#include <QString>
+
+class Pitch
+{
+public:
+    /* If concertA <= 0, it will be taken from current preferences */
+
+    static float getFrequencyForPitch(int midiPitch,
+				      float centsOffset = 0,
+				      float concertA = 0.0);
+
+    static int getPitchForFrequency(float frequency,
+				    float *centsOffsetReturn = 0,
+				    float concertA = 0.0);
+
+    static QString getPitchLabel(int midiPitch,
+				 float centsOffset = 0,
+				 bool useFlats = false);
+
+    static QString getPitchLabelForFrequency(float frequency,
+					     float concertA = 0.0,
+					     bool useFlats = false);
+};
+
+
+#endif