-struct afs_statistics statistics;
-
-/**
- * Assign scores according to a mood_method.
- *
- * Each mood_method has its own mood_score_function. The first three parameters
- * passed to that function are informations about the audio file whose score is
- * to be computed. The data argument depends on the mood method this function
- * is used for. It usually is the argument given at the end of a mood line.
- *
- * Mood score functions must return values between -100 and +100 inclusively.
- * Boolean score functions should always return either -100 or +100.
- *
- * \sa struct mood_method, mood_parser.
- */
-typedef int mood_score_function(const char *path, const struct afs_info *afsi,
- const struct afh_info *afhi, const void *data);
-
-/**
- * Pre-process a mood line.
- *
- * The mood_parser of a mood_method is called once at mood open time for each
- * line of the current mood definition that contains the mood_method's name as
- * a keyword. The line is passed to the mood_parser as the first argument. The
- * mood_parser must determine whether the line is syntactically correct and
- * return a positive value if so and a negative value otherwise.
- *
- * Some mood parsers pre-process the data given in the mood line to compute a
- * structure which depends of the particular mood_method and which is used
- * later in the mood_score_function of the mood_method. The mood_parser may
- * store a pointer to its structure via the second argument.
- *
- * \sa mood_open(), mood_cleanup_function, mood_score_function.
- */
-typedef int mood_parser(const char *, void **);
-
-/**
- * Deallocate resources which were allocated by the mood_parser.
- *
- * This optional function of a mood_method is used to free any resources
- * allocated in mood_open() by the mood_parser. The argument passed is a
- * pointer to the mood_method specific data structure that was returned by the
- * mood_parser.
- *
- * \sa mood_parser.
- */
-typedef void mood_cleanup_function(void *);
-
-/**
- * Used for scoring and to determine whether a file is admissible.
- */
-struct mood_method {
- /** The name of the method. */
- const char *name;
- /** Pointer to the mood parser. */
- mood_parser *parser;
- /** Pointer to the score function */
- mood_score_function *score_function;
- /** Optional cleanup function. */
- mood_cleanup_function *cleanup;
-};