spandsp: swept_tone.h Source File

spandsp 0.0.6

private/swept_tone.h
1/*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * private/swept_tone.h - Swept tone generation
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2009 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License version 2.1,
14 * as published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26#if !defined(_SPANDSP_PRIVATE_SWEPT_TONE_H_)
27#define _SPANDSP_PRIVATE_SWEPT_TONE_H_
28
29 struct swept_tone_state_s
30{
31 int32_t starting_phase_inc;
32 int32_t phase_inc_step;
33 int scale;
34 int duration;
35 int repeating;
36 int pos;
37 int32_t current_phase_inc;
38 uint32_t phase;
39};
40
41#endif
42/*- End of file ------------------------------------------------------------*/
swept_tone_state_s
Definition private/swept_tone.h:30