[5546] | 1 | //dtmf.h: |
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| 2 | |
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| 3 | /* |
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[5823] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2012-2013 |
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[5546] | 5 | * |
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| 6 | * This file is part of libroar a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroar is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | * NOTE for everyone want's to change something and send patches: |
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| 25 | * read README and HACKING! There a addition information on |
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| 26 | * the license of this document you need to read before you send |
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| 27 | * any patches. |
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| 28 | * |
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| 29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 30 | * or libpulse*: |
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| 31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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| 32 | * and are therefore GPL. Because of this it may be illigal to use |
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| 33 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 34 | */ |
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| 35 | |
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| 36 | #ifndef _LIBROARDSP_DTMF_H_ |
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| 37 | #define _LIBROARDSP_DTMF_H_ |
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| 38 | |
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| 39 | #include "libroardsp.h" |
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| 40 | |
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| 41 | #define ROAR_DTMF_OPTIONS_NONE 0 |
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| 42 | |
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[5553] | 43 | #define ROAR_DTMF_CHAR_DTMF(x) (((x) & 0x00FF) + 0x0000) |
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| 44 | #define ROAR_DTMF_CHAR_ROAR(x) (((x) & 0x00FF) + 0x0100) |
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| 45 | #define ROAR_DTMF_CHAR_BYTE(x) (((x) & 0x00FF) + 0x0200) |
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[5547] | 46 | |
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[5553] | 47 | #define ROAR_DTMF_CHAR_BREAK ((uint16_t)0) |
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[5547] | 48 | #define ROAR_DTMF_CHAR_NOOP ROAR_DTMF_CHAR_ROAR(0) |
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| 49 | #define ROAR_DTMF_CHAR_ESCAPE ROAR_DTMF_CHAR_ROAR(27) |
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| 50 | |
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[5546] | 51 | ssize_t roar_dtmf_mus2samples(const int_least32_t t, const uint32_t rate); |
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| 52 | |
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| 53 | int roar_dtmf_break(int16_t * samples, const size_t len, const uint32_t rate, const int options); |
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| 54 | int roar_dtmf_tone (int16_t * samples, const size_t len, const uint32_t rate, const int options, const uint16_t c); |
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| 55 | |
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[5553] | 56 | uint16_t roar_dtmf_freqs2char(const int options, float f0, float f1); |
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| 57 | |
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[5546] | 58 | #endif |
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| 59 | |
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| 60 | //ll |
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