Stuff

int main()
{

  const char *filename = "toto.flv";
  AVInputFormat *fmt;
  AVFormatContext *oc;
  ByteIOContext pb;
  av_register_all();


  //   fmt = guess_format(NULL, filename, NULL);
  //  oc->oformat = fmt;
  snprintf(oc->filename, sizeof(oc->filename), "%s", filename);

  av_open_input_file(&oc, filename , fmt, 0, NULL);

  printf("Duration: %d\n",oc->duration);
  return 0;
}