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/*
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The mediastreamer library aims at providing modular media processing and I/O
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for linphone, but also for any telephony application.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA
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*/
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#ifndef MSOSSWRITE_H
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#define MSOSSWRITE_H
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#include "mssoundwrite.h"
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#include "sndcard.h"
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/*this is the class that implements oss writing sink filter*/
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#define MS_OSS_WRITE_MAX_INPUTS 1 /* max output per filter*/
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#define MS_OSS_WRITE_DEF_GRAN (512*2) /* the default granularity*/
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struct _MSOssWrite
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{
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/* the MSOssWrite derivates from MSSoundWrite, so the MSSoundWrite object MUST be the first of the MSOssWrite object
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in order to the object mechanism to work*/
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MSSoundWrite filter;
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MSFifo *f_inputs[MS_OSS_WRITE_MAX_INPUTS];
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gint devid; /* the sound device id it depends on*/
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SndCard *sndcard;
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gint bsize;
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gint freq;
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gint channels;
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gdouble lowfreq;
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gdouble highfreq;
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gint dtmf_time;
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gint dtmf_duration;
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};
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typedef struct _MSOssWrite MSOssWrite;
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struct _MSOssWriteClass
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{
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/* the MSOssWrite derivates from MSSoundWrite, so the MSSoundWrite class MUST be the first of the MSOssWrite class
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in order to the class mechanism to work*/
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MSSoundWriteClass parent_class;
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};
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typedef struct _MSOssWriteClass MSOssWriteClass;
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/* PUBLIC */
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#define MS_OSS_WRITE(filter) ((MSOssWrite*)(filter))
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#define MS_OSS_WRITE_CLASS(klass) ((MSOssWriteClass*)(klass))
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MSFilter * ms_oss_write_new(void);
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gint ms_oss_write_set_device(MSOssWrite *w,gint devid);
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void ms_oss_write_start(MSOssWrite *w);
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void ms_oss_write_stop(MSOssWrite *w);
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void ms_oss_write_set_level(MSOssWrite *w, gint level);
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void ms_oss_write_play_dtmf(MSOssWrite *w, char dtmf);
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/* FOR INTERNAL USE*/
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void ms_oss_write_init(MSOssWrite *r);
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void ms_oss_write_setup(MSOssWrite *r);
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void ms_oss_write_class_init(MSOssWriteClass *klass);
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void ms_oss_write_destroy( MSOssWrite *obj);
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void ms_oss_write_process(MSOssWrite *f);
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#endif
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