--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/src/spandsp/private/swept_tone.h	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,44 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * private/swept_tone.h - Swept tone generation
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2009 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * $Id: swept_tone.h,v 1.1 2009/09/22 12:54:33 steveu Exp $
+ */
+
+#if !defined(_SPANDSP_PRIVATE_SWEPT_TONE_H_)
+#define _SPANDSP_PRIVATE_SWEPT_TONE_H_
+
+struct swept_tone_state_s
+{
+    int32_t starting_phase_inc;
+    int32_t phase_inc_step;
+    int scale;
+    int duration;
+    int repeating;
+    int pos;
+    int32_t current_phase_inc;
+    uint32_t phase;
+};
+
+#endif
+/*- End of file ------------------------------------------------------------*/