/* RDS signal context */
typedef struct rds_t {
	uint8_t bit_buffer[BITS_PER_GROUP];
	uint8_t bit_pos;
	float sample_buffer[SAMPLE_BUFFER_SIZE];
	uint8_t prev_output;
	uint8_t cur_output;
	uint8_t cur_bit;
	uint8_t sample_count;
	uint16_t in_sample_index;
	uint16_t out_sample_index;
} rds_t;

extern void init_rds_objects();