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#ifndef _DECODER_H
#define _DECODER_H
struct decoder_state;
struct decoder_algo {
uint8_t oversampling_rate;
uint8_t bits_per_sampled_char;
uint32_t bytesample_mask;
int (*decode_sample)(const uint32_t sample, uint8_t data);
uint32_t (*get_next_bytesample)(struct decoder_state *st, uint8_t *parity_sample);
};
struct decoder_state {
struct decoder_algo *algo;
uint8_t bit_ofs;
const char *buf;
const uint32_t *buf32;
};
extern int decoder_register(int algnum, struct decoder_algo *algo);
extern int decoder_decode(uint8_t algo, const char *sample_buf,
int sample_buf_size, char *data_buf);
#define DECODER_MILLER 0
#define DECODER_NRZL 1
#define DECODER_NUM_ALGOS 2
static struct decoder_algo nrzl_decoder;
static struct decoder_algo miller_decoder;
#endif
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