/usr/include/mediastreamer2/dtmfgen.h is in libmediastreamer-dev 3.6.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /*
mediastreamer2 library - modular sound and video processing and streaming
Copyright (C) 2006 Simon MORLAT (simon.morlat@linphone.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef dtmfgen_h
#define dtmfgen_h
#include <mediastreamer2/msfilter.h>
#define MS_DTMF_GEN_PUT MS_FILTER_METHOD(MS_DTMF_GEN_ID,0,const char)
/** Plays dtmf tone given in argument with default duration*/
#define MS_DTMF_GEN_PLAY MS_FILTER_METHOD(MS_DTMF_GEN_ID,0,const char) /*alias to put*/
/**Start playing a given dtmf, then it has to be stopped using MS_DTMF_GEN_STOP */
#define MS_DTMF_GEN_START MS_FILTER_METHOD(MS_DTMF_GEN_ID,1,const char)
/**Stop currently played dtmf*/
#define MS_DTMF_GEN_STOP MS_FILTER_METHOD_NO_ARG(MS_DTMF_GEN_ID,2)
/**
* Structure describing a custom tone.
**/
struct _MSDtmfGenCustomTone{
char tone_name[8]; /**<Tone name for convenience*/
int duration; /**<Duration of the tone in milliseconds*/
int frequencies[2]; /**<Frequencies of the tone to be played */
float amplitude; /**<Amplitude of the tone, 1.0 being the 0dbm normalized level*/
int interval; /**<Interval 'between tones' in milliseconds*/
int repeat_count; /**<Number of times the tone is repeated.*/
};
typedef struct _MSDtmfGenCustomTone MSDtmfGenCustomTone;
/**Play a custom tone according to the supplied tone description*/
#define MS_DTMF_GEN_PLAY_CUSTOM MS_FILTER_METHOD(MS_DTMF_GEN_ID,3,MSDtmfGenCustomTone)
/**Sets default amplitude for dtmfs, expressed in the 0..1 range*/
#define MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE MS_FILTER_METHOD(MS_DTMF_GEN_ID,4,float)
/**
* Structure carried by MS_DTMF_GEN_EVENT
**/
struct _MSDtmfGenEvent{
uint64_t tone_start_time;
char tone_name[8];
};
typedef struct _MSDtmfGenEvent MSDtmfGenEvent;
/**
* Event sent by the filter each time a tone or dtmf is generated.
**/
#define MS_DTMF_GEN_EVENT MS_FILTER_EVENT(MS_DTMF_GEN_ID,0,MSDtmfGenEvent)
extern MSFilterDesc ms_dtmf_gen_desc;
#endif
|