dvd-cache-keys.c: Move the existence check into `kick_vob'.

[dvdrip] / dvd-cache-keys.c

#include "lib.h"

static void usage(FILE *fp) { fprintf(fp, "usage: %s DEVICE\n", prog); }

static dvd_reader_t *dvd;

static void kick_vob(unsigned index, unsigned titlep)
{
  char fn[MAXFNSZ];
  dvd_file_t *vob;
  secaddr start, len;

  store_filename(fn, mkident(VOB, index, titlep));
  start = UDFFindFile(dvd, fn, &len);
  if (!start) return;

  vob = DVDOpenFile(dvd, index,
		    titlep ? DVD_READ_TITLE_VOBS : DVD_READ_MENU_VOBS);
  if (!vob) bail("failed to open %s %d", titlep ? "title" : "menu", index);
  DVDCloseFile(vob);
}

int main(int argc, char *argv[])
{
  int opt;
  unsigned i, f = 0;
  secaddr start, len;
#define f_bogus 1u

  set_prog(argv[0]);
  for (;;) {
    opt = getopt(argc, argv, "h"); if (opt < 0) break;
    switch (opt) {
      case 'h': usage(stderr); exit(0);
      default: f |= f_bogus; break;
    }
  }
  if (argc - optind != 1) f |= f_bogus;
  if (f&f_bogus) { usage(stderr); exit(2); }

  setlocale(LC_ALL, "");
  progress_init(&progress);

  open_dvd(argv[optind], 0, &dvd);

  for (i = 0; i < 100; i++) {
    kick_vob(i, 0);
    if (i) kick_vob(i, 1);
  }

  if (dvd) DVDClose(dvd);
  progress_free(&progress);
  return (0);
}