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#include "../config.h"
#ifdef HAVE_LIRC
#include <lirc/lirc_client.h>
#include <errno.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include "../mp_msg.h"
#include "../help_mp.h"
static struct lirc_config *lirc_config;
char *lirc_configfile;
static int child_pid=0;
static void
mp_input_lirc_process_quit(int sig);
static void
mp_input_lirc_process(int mp_fd);
int
mp_input_lirc_init(void) {
int lirc_sock;
int p[2];
mp_msg(MSGT_LIRC,MSGL_INFO,MSGTR_SettingUpLIRC);
if((lirc_sock=lirc_init("mplayer",1))==-1){
mp_msg(MSGT_LIRC,MSGL_ERR,MSGTR_LIRCopenfailed MSGTR_LIRCdisabled);
return -1;
}
if(lirc_readconfig( lirc_configfile,&lirc_config,NULL )!=0 ){
mp_msg(MSGT_LIRC,MSGL_ERR,MSGTR_LIRCcfgerr MSGTR_LIRCdisabled,
lirc_configfile == NULL ? "~/.lircrc" : lirc_configfile);
lirc_deinit();
return -1;
}
if(pipe(p) != 0) {
mp_msg(MSGT_LIRC,MSGL_ERR,"Can't create lirc pipe : %s\n",strerror(errno));
lirc_deinit();
}
child_pid = fork();
if(child_pid < 0) {
mp_msg(MSGT_LIRC,MSGL_ERR,"Can't fork lirc subprocess : %s\n",strerror(errno));
lirc_deinit();
close(p[0]);
close(p[1]);
return -1;
} else if(child_pid == 0) {// setup child process
close(p[0]);
// put some signal handlers
signal(SIGINT,mp_input_lirc_process_quit);
signal(SIGHUP,mp_input_lirc_process_quit);
signal(SIGQUIT,mp_input_lirc_process_quit);
// start the process
mp_input_lirc_process(p[1]);
}
// free unuseful ressources in parent process
lirc_freeconfig(lirc_config);
close(p[1]);
mp_msg(MSGT_LIRC,MSGL_V,"NEW LIRC init was successful.\n");
return p[0];
}
static void
mp_input_lirc_process_quit(int sig) {
lirc_freeconfig(lirc_config);
lirc_deinit();
exit(sig > 0 ? 0 : -1);
}
static void
mp_input_lirc_process(int mp_fd) {
char *cmd,*code;
int ret;
while(lirc_nextcode(&code)==0) {
if(code==NULL)
continue;
while((ret=lirc_code2char(lirc_config,code,&cmd))==0 && cmd!=NULL) {
int len = strlen(cmd)+1;
char buf[len];
int w=0;
strcpy(buf,cmd);
buf[len-1] = '\n';
while(w < len) {
int r = write(mp_fd,buf+w,len-w);
if(r < 0) {
if(errno == EINTR)
continue;
mp_msg(MSGT_LIRC,MSGL_ERR,"LIRC subprocess can't write in input pipe : %s\n",
strerror(errno));
mp_input_lirc_process_quit(-1);
}
w += r;
}
}
free(code);
if(ret==-1)
break;
}
mp_input_lirc_process_quit(-1);
}
void
mp_input_lirc_uninit(void) {
if(child_pid <= 0)
return;
if( kill(child_pid,SIGQUIT) != 0) {
mp_msg(MSGT_LIRC,MSGL_ERR,"LIRC can't kill subprocess %d : %s\n",
child_pid,strerror(errno));
return;
}
if(waitpid(child_pid,NULL,0) < 0)
mp_msg(MSGT_LIRC,MSGL_ERR,"LIRC error while waiting subprocess %d : %s\n",
child_pid,strerror(errno));
}
#endif
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