#ifndef __BWT_H__
#define __BWT_H__

#include <stdint.h>

void CalculateInverseBWT(uint32_t *transform, uint8_t *block, int blocklen);
void UnsortBWT(uint8_t *dest, uint8_t *src, int blocklen, int firstindex, uint32_t *transformbuf);

void UnsortST4(uint8_t *dest, uint8_t *src, int blocklen, int firstindex, uint32_t *transformbuf);

typedef struct MTFState
{
	int table[256];
} MTFState;

void ResetMTFDecoder(MTFState *self);
int DecodeMTF(MTFState *self, int symbol);
void DecodeMTFBlock(uint8_t *block, int blocklen);
void DecodeM1FFNBlock(uint8_t *block, int blocklen, int order);

#endif