void print_error(const char *filename, int err);
+void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts);
+
/**
* Prints the program banner to stderr. The banner contents depend on the
* current version of the repository and of the libav* libraries used by
*/
void show_formats(void);
+/**
+ * Prints a listing containing all the codecs supported by the
+ * program.
+ */
+void show_codecs(void);
+
+/**
+ * Prints a listing containing all the filters supported by the
+ * program.
+ */
+void show_filters(void);
+
+/**
+ * Prints a listing containing all the bit stream filters supported by the
+ * program.
+ */
+void show_bsfs(void);
+
+/**
+ * Prints a listing containing all the protocols supported by the
+ * program.
+ */
+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.