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neotools: make adpcmb encoder & decoder streamable (encoder untested)

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a dinosaur
2023-12-29 03:25:14 +11:00
parent 9f6c0664ff
commit 70bbf3d0d1
3 changed files with 112 additions and 89 deletions
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27
neotools/adpcmb.h Normal file
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@@ -0,0 +1,27 @@
#ifndef ADPCMB_H
#define ADPCMB_H
#include <stdint.h>
#include <stdbool.h>
typedef struct AdpcmBEncoderState
{
bool flag;
long xn, stepSize;
uint8_t adpcmPack;
} AdpcmBEncoderState;
void adpcmBEncoderInit(AdpcmBEncoderState* encoder);
void adpcmBEncode(AdpcmBEncoderState* encoder, const int16_t* restrict in, uint8_t* restrict out, int len);
typedef struct AdpcmBDecoderState
{
int shift, step;
long xn, stepSize;
} AdpcmBDecoderState;
void adpcmBDecoderInit(AdpcmBDecoderState* decoder);
void adpcmBDecode(AdpcmBDecoderState* decoder, const uint8_t* restrict in, int16_t* restrict out, int len);
#endif//ADPCMB_H