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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 MSOSSREAD_H
#define MSOSSREAD_H
#include "mssoundread.h"
#include "sndcard.h"
#include "mssync.h"
/*this is the class that implements oss writing sink filter*/
#define MS_OSS_READ_MAX_INPUTS 1 /* max output per filter*/
#define MS_OSS_READ_MAX_GRAN (512*2) /* the maximum granularity*/
struct _MSOssRead
{
/* the MSOssRead derivates from MSSoundRead so the MSSoundRead object MUST be the first of the MSOssRead object
in order to the object mechanism to work*/
MSSoundRead filter;
MSFifo *f_outputs[MS_OSS_READ_MAX_INPUTS];
MSSync *sync;
SndCard *sndcard;
gint freq;
gint devid; /* the sound device id it depends on*/
gint gran;
gint flags;
#define START_REQUESTED 1
#define STOP_REQUESTED 2
};
typedef struct _MSOssRead MSOssRead;
struct _MSOssReadClass
{
/* the MSOssRead derivates from MSSoundRead, so the MSSoundRead class MUST be the first of the MSOssRead class
in order to the class mechanism to work*/
MSSoundReadClass parent_class;
};
typedef struct _MSOssReadClass MSOssReadClass;
/* PUBLIC */
#define MS_OSS_READ(filter) ((MSOssRead*)(filter))
#define MS_OSS_READ_CLASS(klass) ((MSOssReadClass*)(klass))
MSFilter * ms_oss_read_new(void);
gint ms_oss_read_set_device(MSOssRead *w,gint devid);
void ms_oss_read_start(MSOssRead *w);
void ms_oss_read_stop(MSOssRead *w);
/* FOR INTERNAL USE*/
void ms_oss_read_init(MSOssRead *r);
void ms_oss_read_class_init(MSOssReadClass *klass);
void ms_oss_read_destroy( MSOssRead *obj);
void ms_oss_read_process(MSOssRead *f);
void ms_oss_read_setup(MSOssRead *f, MSSync *sync);
#endif
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