source: roaraudio/include/libroardsp/dtmf.h @ 5546:faff3e9677c4

Last change on this file since 5546:faff3e9677c4 was 5546:faff3e9677c4, checked in by phi, 7 years ago

Started DTMF library

File size: 1.8 KB
Line 
1//dtmf.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2012
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 *  NOTE for everyone want's to change something and send patches:
25 *  read README and HACKING! There a addition information on
26 *  the license of this document you need to read before you send
27 *  any patches.
28 *
29 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
30 *  or libpulse*:
31 *  The libs libroaresd, libroararts and libroarpulse link this lib
32 *  and are therefore GPL. Because of this it may be illigal to use
33 *  them with any software that uses libesd, libartsc or libpulse*.
34 */
35
36#ifndef _LIBROARDSP_DTMF_H_
37#define _LIBROARDSP_DTMF_H_
38
39#include "libroardsp.h"
40
41#define ROAR_DTMF_OPTIONS_NONE 0
42
43ssize_t roar_dtmf_mus2samples(const int_least32_t t, const uint32_t rate);
44
45int roar_dtmf_break(int16_t * samples, const size_t len, const uint32_t rate, const int options);
46int roar_dtmf_tone (int16_t * samples, const size_t len, const uint32_t rate, const int options, const uint16_t c);
47
48#endif
49
50//ll
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