*/
int opt_loglevel(const char *opt, const char *arg);
+/**
+ * Limit the execution time.
+ */
+int opt_timelimit(const char *opt, const char *arg);
+
/**
* Parses a string and returns its corresponding value as a double.
* Exits from the application if the string cannot be correctly
*/
void show_protocols(void);
+/**
+ * Prints a listing containing all the pixel formats supported by the
+ * program.
+ */
+void show_pix_fmts(void);
+
/**
* Returns a positive value if reads from standard input a line
* starting with [yY], otherwise returns 0.