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/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007 John Varouhakis *
* *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#include <recordmydesktop.h>
void SetExpired(int signum){
if(!Paused){
frames_total++;
if(capture_busy){
frames_lost++;
}
/*FIXME */
//This is not safe.
//cond_var signaling must move away from signal handlers
//alltogether (JackCapture, SetExpired, SetPaused).
//Better would be a set of pipes for each of these.
//The callback should write on the pipe and the main thread
//should perform a select over the fd's, signaling afterwards the
//appropriate cond_var.
pthread_mutex_lock(&time_mutex);
pthread_cond_broadcast(time_cond);
pthread_mutex_unlock(&time_mutex);
}
}
void SetPaused(int signum){
if(!Paused)
Paused=1;
else{
Paused=0;
/*FIXME */
//This is not safe.
//cond_var signaling must move away from signal handlers
//alltogether (JackCapture, SetExpired, SetPaused).
//Better would be a set of pipes for each of these.
//The callback should write on the pipe and the main thread
//should perform a select over the fd's, signaling afterwards the
//appropriate cond_var.
pthread_mutex_lock(&pause_mutex);
pthread_cond_broadcast(pause_cond);
pthread_mutex_unlock(&pause_mutex);
}
}
void SetRunning(int signum){
*Running=0;
if(signum==SIGABRT)
Aborted=1;
}
void CancelTimer(void){
struct itimerval value;
value.it_interval.tv_sec=
value.it_value.tv_sec=
value.it_interval.tv_usec=
value.it_value.tv_usec=0;
setitimer(ITIMER_REAL,&value,NULL);
}
void RegisterCallbacks(ProgArgs *args){
struct itimerval value;
struct sigaction time_act,pause_act,end_act;
value.it_interval.tv_sec=value.it_value.tv_sec=0;
value.it_interval.tv_usec=value.it_value.tv_usec=(1000000)/args->fps;
setitimer(ITIMER_REAL,&value,NULL);
time_act.sa_handler=SetExpired;
pause_act.sa_handler=SetPaused;
end_act.sa_handler=SetRunning;
sigfillset(&(time_act.sa_mask));
sigfillset(&(pause_act.sa_mask));
sigfillset(&(end_act.sa_mask));
time_act.sa_flags=pause_act.sa_flags=end_act.sa_flags=0;
sigaction(SIGALRM,&time_act,NULL);
sigaction(SIGUSR1,&pause_act,NULL);
sigaction(SIGINT,&end_act,NULL);
sigaction(SIGTERM,&end_act,NULL);
sigaction(SIGABRT,&end_act,NULL);
}
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