/****************************************************************************#	 	Spcaview:  Spca5xx Grabber                                  ## 		Copyright (C) 2004 2005 Michel Xhaard                       ##                                                                           ## 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 ##                                                                           #****************************************************************************/#include "utils.h"#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <linux/types.h>#include <string.h>#include <fcntl.h>#include <wait.h>#include <sys/time.h>#include <limits.h>void exit_fatal(char *messages){	printf("%s \n",messages);	exit(1);}doublems_time (void){  static struct timeval tod;  gettimeofday (&tod, NULL);  return ((double) tod.tv_sec * 1000.0 + (double) tod.tv_usec / 1000.0);}intget_jpegsize (unsigned char *buf, int insize){ int i; 	 for ( i= 1024 ; i< insize; i++) { 	if ((buf[i] == 0xFF) && (buf[i+1] == 0xD9)) return i+10; } return -1;}