};
void filter_init(void);
-int check_filter_arg(char *filter_arg, void **conf);
+int check_filter_arg(const char *fa, void **conf);
void print_filter_helps(unsigned flags);
void generic_filter_pre_select(struct sched *s, void *context);
int decoder_execute(const char *cmd, unsigned sample_rate, unsigned channels,
DECLARE_FILTER_INITS
-/** The filter array, one structure for each supported filter. */
const struct filter *filter_get(int filter_num);