spandsp: super_tone_tx.h Source File

spandsp 0.0.6

private/super_tone_tx.h
1/*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * private/super_tone_tx.h - Flexible telephony supervisory tone generation.
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2001 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_SUPER_TONE_TX_H_)
27#define _SPANDSP_PRIVATE_SUPER_TONE_TX_H_
28
29 struct super_tone_tx_step_s
30{
31 tone_gen_tone_descriptor_t tone[4];
32 int tone_on;
33 int length;
34 int cycles;
35 super_tone_tx_step_t *next;
36 super_tone_tx_step_t *nest;
37};
38
39 struct super_tone_tx_state_s
40{
41 tone_gen_tone_descriptor_t tone[4];
42 uint32_t phase[4];
43 int current_position;
44 int level;
45 super_tone_tx_step_t *levels[4];
46 int cycles[4];
47};
48
49#endif
50/*- End of file ------------------------------------------------------------*/
super_tone_tx_state_s
Definition private/super_tone_tx.h:40
super_tone_tx_step_s
Definition private/super_tone_tx.h:30