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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
*/
#include "mswrite.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
static MSWriteClass *ms_write_class=NULL;
MSFilter * ms_write_new(char *name)
{
MSWrite *r;
int fd=-1;
r=g_new(MSWrite,1);
ms_write_init(r);
if (ms_write_class==NULL)
{
ms_write_class=g_new(MSWriteClass,1);
ms_write_class_init(ms_write_class);
}
MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_write_class);
if ((name!=NULL) && (strlen(name)!=0))
{
fd=open(name,O_WRONLY | O_CREAT | O_TRUNC,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
if (fd<0) g_error("ms_write_new: failed to open %s.\n",name);
}
r->fd=fd;
return(MS_FILTER(r));
}
/* FOR INTERNAL USE*/
void ms_write_init(MSWrite *r)
{
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->infifos=r->f_inputs;
MS_FILTER(r)->inqueues=r->q_inputs;
MS_FILTER(r)->r_mingran=MSWRITE_MIN_GRAN;
memset(r->f_inputs,0,sizeof(MSFifo*)*MSWRITE_MAX_INPUTS);
memset(r->q_inputs,0,sizeof(MSQueue*)*MSWRITE_MAX_INPUTS);
r->fd=-1;
}
void ms_write_class_init(MSWriteClass *klass)
{
ms_filter_class_init(MS_FILTER_CLASS(klass));
ms_filter_class_set_name(MS_FILTER_CLASS(klass),"dskwriter");
MS_FILTER_CLASS(klass)->max_finputs=MSWRITE_MAX_INPUTS;
MS_FILTER_CLASS(klass)->max_qinputs=MSWRITE_MAX_INPUTS;
MS_FILTER_CLASS(klass)->r_maxgran=MSWRITE_DEF_GRAN;
MS_FILTER_CLASS(klass)->destroy=(MSFilterDestroyFunc)ms_write_destroy;
MS_FILTER_CLASS(klass)->process=(MSFilterProcessFunc)ms_write_process;
}
void ms_write_process(MSWrite *r)
{
MSFifo *f;
MSQueue *q;
MSMessage *buf=NULL;
int i,j,err1,err2;
gint gran=ms_filter_get_mingran(MS_FILTER(r));
void *p;
/* process output fifos*/
for (i=0,j=0;(i<MS_FILTER(r)->klass->max_finputs)&&(j<MS_FILTER(r)->finputs);i++)
{
f=r->f_inputs[i];
if (f!=NULL)
{
if ( (err1=ms_fifo_get_read_ptr(f,gran,&p))>0 )
{
err2=write(r->fd,p,gran);
if (err2<0) g_warning("ms_write_process: failed to write: %s.\n",strerror(errno));
}
j++;
}
}
/* process output queues*/
for (i=0,j=0;(i<MS_FILTER(r)->klass->max_qinputs)&&(j<MS_FILTER(r)->qinputs);i++)
{
q=r->q_inputs[i];
if (q!=NULL)
{
while ( (buf=ms_queue_get(q))!=NULL ){
write(r->fd,buf->data,buf->size);
j++;
ms_message_destroy(buf);
}
}
}
}
void ms_write_destroy( MSWrite *obj)
{
if (obj->fd!=0) close(obj->fd);
g_free(obj);
}
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