dvi_adpcm.h

/*$$$LICENCE_NORDIC_STANDARD<2015>$$$*/
#ifndef _dvi_adpcm_h
#define _dvi_adpcm_h

#include <stdbool.h>
#include <stdint.h>

#ifdef __ICCARM__
typedef __packed struct
#else
typedef struct __attribute__((__packed__))
#endif
{
 int16_t valpred; /* Previous predicted value. */
 uint8_t index; /* Index into stepsize table. */
} dvi_adpcm_state_t;

int dvi_adpcm_encode(void *in_buf, int in_size, void *out_buf, int *out_size, void *state, bool hflag);

void dvi_adpcm_init_state(dvi_adpcm_state_t * state);

#endif