int ms_ticker_attach_multiple(MSTicker *ticker,MSFilter *f,...)
{
MSList *sources=NULL;
MSList *filters=NULL;
MSList *it;
MSList *total_sources=NULL;
va_list l;
va_start(l,f);
do{
if (f->ticker==NULL) {
filters=ms_filter_find_neighbours(f);
sources=get_sources(filters);
if (sources==NULL){
ms_fatal("No sources found around filter %s",f->desc->name);
ms_list_free(filters);
break;
}
/*run preprocess on each filter: */
for(it=filters;it!=NULL;it=it->next)
ms_filter_preprocess((MSFilter*)it->data,ticker);
ms_list_free(filters);
total_sources=ms_list_concat(total_sources,sources);
}else ms_message("Filter %s is already being scheduled; nothing to do.",f->desc->name);
}while ((f=va_arg(l,MSFilter*))!=NULL);
va_end(l);
if (total_sources){
ms_mutex_lock(&ticker->lock);
ticker->execution_list=ms_list_concat(ticker->execution_list,total_sources);
ms_mutex_unlock(&ticker->lock);
}
return 0;
}
int ms_ticker_attach(MSTicker *ticker,MSFilter *f)
{
MSList *sources=NULL;
MSList *filters=NULL;
MSList *it;
if (f->ticker!=NULL) {
ms_message("Filter %s is already being scheduled; nothing to do.",f->desc->name);
return 0;
}
find_filters(&filters,f);
sources=get_sources(filters);
if (sources==NULL){
ms_fatal("No sources found around filter %s",f->desc->name);
ms_list_free(filters);
return -1;
}
/*run preprocess on each filter: */
for(it=filters;it!=NULL;it=it->next)
ms_filter_preprocess((MSFilter*)it->data,ticker);
ms_mutex_lock(&ticker->lock);
ticker->execution_list=ms_list_concat(ticker->execution_list,sources);
ms_mutex_unlock(&ticker->lock);
ms_list_free(filters);
return 0;
}