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78 lines
2.5 KiB
78 lines
2.5 KiB
/*
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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 02110-1301 USA
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*/
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#ifndef MSOSSREAD_H
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#define MSOSSREAD_H
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#include "mssoundread.h"
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#include "sndcard.h"
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#include "mssync.h"
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/*this is the class that implements oss writing sink filter*/
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#define MS_OSS_READ_MAX_INPUTS 1 /* max output per filter*/
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#define MS_OSS_READ_MAX_GRAN (512*2) /* the maximum granularity*/
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struct _MSOssRead
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{
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/* the MSOssRead derivates from MSSoundRead so the MSSoundRead object MUST be the first of the MSOssRead object
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in order to the object mechanism to work*/
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MSSoundRead filter;
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MSFifo *f_outputs[MS_OSS_READ_MAX_INPUTS];
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MSSync *sync;
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SndCard *sndcard;
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gint freq;
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gint devid; /* the sound device id it depends on*/
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gint gran;
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gint flags;
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#define START_REQUESTED 1
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#define STOP_REQUESTED 2
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};
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typedef struct _MSOssRead MSOssRead;
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struct _MSOssReadClass
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{
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/* the MSOssRead derivates from MSSoundRead, so the MSSoundRead class MUST be the first of the MSOssRead class
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in order to the class mechanism to work*/
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MSSoundReadClass parent_class;
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};
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typedef struct _MSOssReadClass MSOssReadClass;
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/* PUBLIC */
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#define MS_OSS_READ(filter) ((MSOssRead*)(filter))
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#define MS_OSS_READ_CLASS(klass) ((MSOssReadClass*)(klass))
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MSFilter * ms_oss_read_new(void);
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gint ms_oss_read_set_device(MSOssRead *w,gint devid);
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void ms_oss_read_start(MSOssRead *w);
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void ms_oss_read_stop(MSOssRead *w);
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/* FOR INTERNAL USE*/
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void ms_oss_read_init(MSOssRead *r);
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void ms_oss_read_class_init(MSOssReadClass *klass);
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void ms_oss_read_destroy( MSOssRead *obj);
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void ms_oss_read_process(MSOssRead *f);
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void ms_oss_read_setup(MSOssRead *f, MSSync *sync);
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#endif
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