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/*
The mediastreamer library aims at providing modular media processing and I/O
for linphone, but also for any telephony application.
Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MSOSSWRITE_H
#define MSOSSWRITE_H
#include "mssoundwrite.h"
#include "sndcard.h"
/*this is the class that implements oss writing sink filter*/
#define MS_OSS_WRITE_MAX_INPUTS 1 /* max output per filter*/
#define MS_OSS_WRITE_DEF_GRAN (512*2) /* the default granularity*/
struct _MSOssWrite
{
/* the MSOssWrite derivates from MSSoundWrite, so the MSSoundWrite object MUST be the first of the MSOssWrite object
in order to the object mechanism to work*/
MSSoundWrite filter;
MSFifo *f_inputs[MS_OSS_WRITE_MAX_INPUTS];
gint devid; /* the sound device id it depends on*/
SndCard *sndcard;
gint bsize;
gint freq;
gint channels;
gdouble lowfreq;
gdouble highfreq;
gint dtmf_time;
gint dtmf_duration;
};
typedef struct _MSOssWrite MSOssWrite;
struct _MSOssWriteClass
{
/* the MSOssWrite derivates from MSSoundWrite, so the MSSoundWrite class MUST be the first of the MSOssWrite class
in order to the class mechanism to work*/
MSSoundWriteClass parent_class;
};
typedef struct _MSOssWriteClass MSOssWriteClass;
/* PUBLIC */
#define MS_OSS_WRITE(filter) ((MSOssWrite*)(filter))
#define MS_OSS_WRITE_CLASS(klass) ((MSOssWriteClass*)(klass))
MSFilter * ms_oss_write_new(void);
gint ms_oss_write_set_device(MSOssWrite *w,gint devid);
void ms_oss_write_start(MSOssWrite *w);
void ms_oss_write_stop(MSOssWrite *w);
void ms_oss_write_set_level(MSOssWrite *w, gint level);
void ms_oss_write_play_dtmf(MSOssWrite *w, char dtmf);
/* FOR INTERNAL USE*/
void ms_oss_write_init(MSOssWrite *r);
void ms_oss_write_setup(MSOssWrite *r);
void ms_oss_write_class_init(MSOssWriteClass *klass);
void ms_oss_write_destroy( MSOssWrite *obj);
void ms_oss_write_process(MSOssWrite *f);
#endif
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