int main(int argc, char **argv)
{
for (;;) {
int index, c = 0;
c = getopt_long(argc, argv, short_options, long_options, &index);
if (-1 == c)
break;
switch (c) {
case 0: /* getopt_long() flag */
break;
case 'd':
deviceName = optarg;
break;
case 'h':
// print help
usage(stdout, argc, argv);
exit(EXIT_SUCCESS);
case 'o':
// set jpeg filename
jpegFilename = optarg;
break;
case 'q':
// set jpeg quality
jpegQuality = atoi(optarg);
break;
case 'm':
#ifdef IO_MMAP
io = IO_METHOD_MMAP;
#else
fprintf(stderr, "You didn't compile for mmap support.\n");
exit(EXIT_FAILURE);
#endif
break;
case 'r':
#ifdef IO_READ
io = IO_METHOD_READ;
#else
fprintf(stderr, "You didn't compile for read support.\n");
exit(EXIT_FAILURE);
#endif
break;
case 'u':
#ifdef IO_USERPTR
io = IO_METHOD_USERPTR;
#else
fprintf(stderr, "You didn't compile for userptr support.\n");
exit(EXIT_FAILURE);
#endif
break;
case 'W':
// set width
width = atoi(optarg);
break;
case 'H':
// set height
height = atoi(optarg);
break;
case 'I':
// set fps
fps = atoi(optarg);
break;
case 'c':
// set flag for continuous capture, interuptible by sigint
continuous = 1;
InstallSIGINTHandler();
break;
case 'v':
printf("Version: %s\n", VERSION);
exit(EXIT_SUCCESS);
break;
default:
usage(stderr, argc, argv);
exit(EXIT_FAILURE);
}
}
// check for need parameters
if (!jpegFilename) {
fprintf(stderr, "You have to specify JPEG output filename!\n\n");
usage(stdout, argc, argv);
exit(EXIT_FAILURE);
}
if(continuous == 1) {
int max_name_len = snprintf(NULL,0,continuousFilenameFmt,jpegFilename,UINT32_MAX,INT64_MAX);
jpegFilenamePart = jpegFilename;
jpegFilename = calloc(max_name_len+1,sizeof(char));
strcpy(jpegFilename,jpegFilenamePart);
}
// open and initialize device
deviceOpen();
deviceInit();
// start capturing
captureStart();
// process frames
mainLoop();
// stop capturing
captureStop();
// close device
deviceUninit();
deviceClose();
if(jpegFilenamePart != 0) {
free(jpegFilename);
}
exit(EXIT_SUCCESS);
return 0;
}
int main(int argc, char **argv)
{
for (;;) {
int index, c = 0;
c = getopt_long(argc, argv, short_options, long_options, &index);
if (-1 == c)
break;
switch (c) {
case 0: /* getopt_long() flag */
break;
case 'd':
deviceName = optarg;
break;
case 'h':
// print help
usage(stdout, argc, argv);
exit(EXIT_SUCCESS);
case 'o':
// set jpeg filename
jpegFilename = optarg;
break;
case 'q':
// set jpeg quality
jpegQuality = atoi(optarg);
break;
case 'm':
#ifdef IO_MMAP
io = IO_METHOD_MMAP;
#else
fprintf(stderr, "You didn't compile for mmap support.\n");
exit(EXIT_FAILURE);
#endif
break;
case 'r':
#ifdef IO_READ
io = IO_METHOD_READ;
#else
fprintf(stderr, "You didn't compile for read support.\n");
exit(EXIT_FAILURE);
#endif
break;
case 'u':
#ifdef IO_USERPTR
io = IO_METHOD_USERPTR;
#else
fprintf(stderr, "You didn't compile for userptr support.\n");
exit(EXIT_FAILURE);
#endif
break;
case 'W':
// set width
width = atoi(optarg);
break;
case 'H':
// set height
height = atoi(optarg);
break;
case 'I':
// set fps
fps = atoi(optarg);
break;
case 'v':
printf("Version: %s\n", VERSION);
exit(EXIT_SUCCESS);
break;
default:
usage(stderr, argc, argv);
exit(EXIT_FAILURE);
}
}
// check for need parameters
if (!jpegFilename) {
fprintf(stderr, "You have to specify JPEG output filename!\n\n");
usage(stdout, argc, argv);
exit(EXIT_FAILURE);
}
// open and initialize device
deviceOpen();
deviceInit();
// start capturing
captureStart();
// process frames
mainLoop();
// stop capturing
captureStop();
// close device
deviceUninit();
deviceClose();
exit(EXIT_SUCCESS);
return 0;
}