void activate_inactive_grab_clients(int slot, int audio_format_num, struct list_head *filter_list);
void activate_grab_client(struct grab_client *gc, struct filter_node *fn);
void init_grabbing(void);
void activate_inactive_grab_clients(int slot, int audio_format_num, struct list_head *filter_list);
void activate_grab_client(struct grab_client *gc, struct filter_node *fn);
void init_grabbing(void);