add new files, derived from jack_delay by fons

git-svn-id: svn://localhost/ardour2/branches/3.0@5730 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 58 insertions, 0 deletions

diff --git a/libs/ardour/ardour/mtdm.h b/libs/ardour/ardour/mtdm.h
new file mode 100644
index 0000000000..7fa9707554
--- /dev/null
+++ b/libs/ardour/ardour/mtdm.h
@@ -0,0 +1,58 @@
+/*
+    Copyright (C) 2003-2008 Fons Adriaensen <fons@kokkinizita.net>
+    
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __libardour_mtdm_h__
+#define __libardour_mtdm_h__
+
+#include <cstdlib>
+#include <cstdio>
+#include <cmath>
+#include <unistd.h>
+
+class MTDM {
+  public:
+	
+	 MTDM ();
+	 
+	 int process (size_t len, float *inp, float *out);
+	 int resolve (void);
+	 void invert (void) { _inv ^= 1; }
+	 int    inv (void) { return _inv; }
+	 double del (void) { return _del; }
+	 double err (void) { return _err; }
+
+   private:
+	 class Freq {
+	   public:
+		 int   p;
+		 int   f;
+		 float a;
+		 float xa;
+		 float ya;
+		 float xf;
+		 float yf;
+	 };
+
+	 double  _del;
+	 double  _err;
+	 int     _cnt;
+	 int     _inv;
+	 Freq    _freq [5];
+};
+
+#endif /* __libardour_mtdm_h__ */