int scan_options(const char *options, AVDictionary *&opts);
int read_options(FILE *fp, const char *options, AVDictionary *&opts);
int load_options(const char *options, AVDictionary *&opts);
+ static int load_options(const char *path, char *bfr, int len);
void set_loglevel(const char *ap);
static double to_secs(int64_t time, AVRational time_base);
int info(char *text, int len);