You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.5 KiB
83 lines
2.5 KiB
/*
|
|
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 "msnosync.h"
|
|
|
|
static MSNoSyncClass *ms_nosync_class=NULL;
|
|
|
|
void ms_nosync_init(MSNoSync *sync)
|
|
{
|
|
ms_sync_init(MS_SYNC(sync));
|
|
MS_SYNC(sync)->attached_filters=sync->filters;
|
|
memset(sync->filters,0,MSNOSYNC_MAX_FILTERS*sizeof(MSFilter*));
|
|
MS_SYNC(sync)->samples_per_tick=160;
|
|
sync->started=0;
|
|
}
|
|
|
|
void ms_nosync_class_init(MSNoSyncClass *klass)
|
|
{
|
|
ms_sync_class_init(MS_SYNC_CLASS(klass));
|
|
MS_SYNC_CLASS(klass)->max_filters=MSNOSYNC_MAX_FILTERS;
|
|
MS_SYNC_CLASS(klass)->synchronize=(MSSyncSyncFunc)ms_nosync_synchronize;
|
|
MS_SYNC_CLASS(klass)->destroy=(MSSyncDestroyFunc)ms_nosync_destroy;
|
|
/* no need to overload these function*/
|
|
MS_SYNC_CLASS(klass)->attach=ms_sync_attach_generic;
|
|
MS_SYNC_CLASS(klass)->detach=ms_sync_detach_generic;
|
|
}
|
|
|
|
void ms_nosync_destroy(MSNoSync *nosync)
|
|
{
|
|
g_free(nosync);
|
|
}
|
|
|
|
/* the synchronization function that does nothing*/
|
|
void ms_nosync_synchronize(MSNoSync *nosync)
|
|
{
|
|
gint32 time;
|
|
if (nosync->started==0){
|
|
gettimeofday(&nosync->start,NULL);
|
|
nosync->started=1;
|
|
}
|
|
gettimeofday(&nosync->current,NULL);
|
|
MS_SYNC(nosync)->ticks++;
|
|
/* update the time, we are supposed to work at 8000 Hz */
|
|
time=((nosync->current.tv_sec-nosync->start.tv_sec)*1000) +
|
|
((nosync->current.tv_usec-nosync->start.tv_usec)/1000);
|
|
MS_SYNC(nosync)->time=time;
|
|
return;
|
|
}
|
|
|
|
|
|
MSSync *ms_nosync_new()
|
|
{
|
|
MSNoSync *nosync;
|
|
|
|
nosync=g_malloc(sizeof(MSNoSync));
|
|
ms_nosync_init(nosync);
|
|
if (ms_nosync_class==NULL)
|
|
{
|
|
ms_nosync_class=g_new(MSNoSyncClass,1);
|
|
ms_nosync_class_init(ms_nosync_class);
|
|
}
|
|
MS_SYNC(nosync)->klass=MS_SYNC_CLASS(ms_nosync_class);
|
|
return(MS_SYNC(nosync));
|
|
}
|