quant_mpeg4.h

来自「用MPEG-4对YUV视频文件编码压缩成divx视频文件」· C头文件 代码 · 共 44 行

#ifndef _QUANT_MPEG4_H_
#define _QUANT_MPEG4_H_

#include "../portab.h"
#include "../global.h"

/* intra*/
typedef void (quant_intraFunc) (int16_t * coeff,
								const int16_t * data,
								const uint32_t quant,
								const uint32_t dcscalar);

typedef quant_intraFunc *quant_intraFuncPtr;

extern quant_intraFuncPtr quant4_intra;
extern quant_intraFuncPtr dequant4_intra;

quant_intraFunc quant4_intra_c;
quant_intraFunc dequant4_intra_c;

/* inter_quant*/
typedef uint32_t(quant_interFunc) (int16_t * coeff,
								   const int16_t * data,
								   const uint32_t quant);

typedef quant_interFunc *quant_interFuncPtr;

extern quant_interFuncPtr quant4_inter;

quant_interFunc quant4_inter_c;

/*inter_dequant*/
typedef void (dequant_interFunc) (int16_t * coeff,
								  const int16_t * data,
								  const uint32_t quant);

typedef dequant_interFunc *dequant_interFuncPtr;

extern dequant_interFuncPtr dequant4_inter;

dequant_interFunc dequant4_inter_c;

#endif							/* _QUANT_MPEG4_H_ */