/** \file write_common.h exported symbols from write_common.c */
-int wng_open(struct writer_node_group *g);
-void wng_close(struct writer_node_group *g);
-struct writer_node_group *wng_new(unsigned num_writers);
void writer_init(void);
void *check_writer_arg(const char *wa, int *writer_num);
-struct writer_node_group *setup_default_wng(void);
void print_writer_helps(int detailed);
+void register_writer_node(struct writer_node *wn, struct btr_node *parent);
+int setup_writer_node(const char *arg, struct btr_node *parent,
+ struct writer_node *wn);
+int get_btr_samplerate(struct btr_node *btrn, int32_t *result);
+int get_btr_channels(struct btr_node *btrn, int32_t *result);