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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "mscopy.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
static MSCopyClass *ms_copy_class=NULL;
MSFilter * ms_copy_new(void)
{
MSCopy *r;
r=g_new(MSCopy,1);
ms_copy_init(r);
if (ms_copy_class==NULL)
{
ms_copy_class=g_new(MSCopyClass,1);
ms_copy_class_init(ms_copy_class);
}
MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_copy_class);
return(MS_FILTER(r));
}
/* FOR INTERNAL USE*/
void ms_copy_init(MSCopy *r)
{
ms_filter_init(MS_FILTER(r));
MS_FILTER(r)->infifos=r->f_inputs;
MS_FILTER(r)->outfifos=r->f_outputs;
MS_FILTER(r)->r_mingran=MSCOPY_DEF_GRAN;
memset(r->f_inputs,0,sizeof(MSFifo*)*MSCOPY_MAX_INPUTS);
memset(r->f_outputs,0,sizeof(MSFifo*)*MSCOPY_MAX_INPUTS);
}
void ms_copy_class_init(MSCopyClass *klass)
{
ms_filter_class_init(MS_FILTER_CLASS(klass));
ms_filter_class_set_name(MS_FILTER_CLASS(klass),"fifocopier");
MS_FILTER_CLASS(klass)->max_finputs=MSCOPY_MAX_INPUTS;
MS_FILTER_CLASS(klass)->max_foutputs=MSCOPY_MAX_INPUTS;
MS_FILTER_CLASS(klass)->r_maxgran=MSCOPY_DEF_GRAN;
MS_FILTER_CLASS(klass)->w_maxgran=MSCOPY_DEF_GRAN;
MS_FILTER_CLASS(klass)->destroy=(MSFilterDestroyFunc)ms_copy_destroy;
MS_FILTER_CLASS(klass)->process=(MSFilterProcessFunc)ms_copy_process;
}
void ms_copy_process(MSCopy *r)
{
MSFifo *fi,*fo;
int err1;
gint gran=MS_FILTER(r)->klass->r_maxgran;
void *s,*d;
/* process output fifos, but there is only one for this class of filter*/
fi=r->f_inputs[0];
fo=r->f_outputs[0];
if (fi!=NULL)
{
err1=ms_fifo_get_read_ptr(fi,gran,&s);
if (err1>0) err1=ms_fifo_get_write_ptr(fo,gran,&d);
if (err1>0)
{
memcpy(d,s,gran);
}
}
}
void ms_copy_destroy( MSCopy *obj)
{
g_free(obj);
}
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