void get_btr_sample_rate(struct btr_node *btrn, int32_t *result);
void get_btr_channels(struct btr_node *btrn, int32_t *result);
void get_btr_sample_format(struct btr_node *btrn, int32_t *result);
void get_btr_sample_rate(struct btr_node *btrn, int32_t *result);
void get_btr_channels(struct btr_node *btrn, int32_t *result);
void get_btr_sample_format(struct btr_node *btrn, int32_t *result);