add queen mary DSP library

git-svn-id: svn://localhost/ardour2/branches/3.0@9029 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/qm-dsp/dsp/segmentation/segment.h

@@ -0,0 +1,50 @@
+#ifndef _SEGMENT_H
+#define _SEGMENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  segment.h
+ *
+ *  Created by Mark Levy on 06/04/2006.
+ *  Copyright 2006 Centre for Digital Music, Queen Mary, University of London.
+
+    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.
+ *
+ */
+
+typedef struct segment_t
+{
+	long start;			/* in samples */
+	long end;
+	int type;
+} segment_t;
+
+typedef struct segmentation_t
+{
+	int nsegs;			/* number of segments */
+	int nsegtypes;		/* number of segment types, so possible types are {0,1,...,nsegtypes-1} */
+	int samplerate;
+	segment_t* segments;
+} segmentation_t;
+
+typedef enum 
+{ 
+	FEATURE_TYPE_UNKNOWN = 0, 
+	FEATURE_TYPE_CONSTQ = 1, 
+	FEATURE_TYPE_CHROMA = 2,
+	FEATURE_TYPE_MFCC = 3
+} feature_types;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+