/usr/include/mediastreamer2/mstonedetector.h is in libmediastreamer-dev 3.6.1-2.4+b1.
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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 | /*
mediastreamer2 library - modular sound and video processing and streaming
Copyright (C) 2011 Belledonne Communications SARL.
Author: 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 mstonedetector_h
#define mstonedetector_h
#include <mediastreamer2/msfilter.h>
/**
* Structure describing which tone is to be detected.
**/
struct _MSToneDetectorDef{
char tone_name[8];
int frequency; /**<Expected frequency of the tone*/
int min_duration; /**<Min duration of the tone in milliseconds */
float min_amplitude; /**<Minimum amplitude of the tone, 1.0 corresponding to the normalized 0dbm level */
};
typedef struct _MSToneDetectorDef MSToneDetectorDef;
/**
* Structure carried as argument of the MS_TONE_DETECTOR_EVENT
**/
struct _MSToneDetectorEvent{
char tone_name[8];
uint64_t tone_start_time; /**<Tone start time in millisecond */
};
typedef struct _MSToneDetectorEvent MSToneDetectorEvent;
/** Method to as the tone detector filter to monitor a new tone type.*/
#define MS_TONE_DETECTOR_ADD_SCAN MS_FILTER_METHOD(MS_TONE_DETECTOR_ID,0,MSToneDetectorDef)
/** Remove previously added scans*/
#define MS_TONE_DETECTOR_CLEAR_SCANS MS_FILTER_METHOD_NO_ARG(MS_TONE_DETECTOR_ID,1)
/** Event generated when a tone is detected */
#define MS_TONE_DETECTOR_EVENT MS_FILTER_EVENT(MS_TONE_DETECTOR_ID,0,MSToneDetectorEvent)
#endif
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