www.pudn.com > encore50src.zip > mot_util.h

 
#ifndef _MOT_UTIL_H_ 
#define _MOT_UTIL_H_ 
 
#include "limits.h" 
#include "momusys.h" 
 
/* search window for the 8x8 block MV; [-DEFAULT_8_WIN;DEFAULT_8_WIN] pixels 
   arround the 16x16 motion vector */ 
//#define DEFAULT_8_WIN    2.0 
#define DEFAULT_8_WIN    1.0f 
 
#define B_SIZE           8 
 
/* big value, returned if the MV is not good enought (2^25) */ 
#define MV_MAX_ERROR    0x2000000 
 
/* Point structure */ 
 
typedef struct pixpoint 
  { 
  Int x; 
  Int y; 
  } PixPoint; 
 
#define EHUFF struct Modified_Encoder_Huffman 
 
EHUFF 
{ 
  Int n; 
  Int *Hlen; 
  Int *Hcode; 
}; 
 
#define  MVLEN(x,y)  (ABS(x) + ABS(y)) 
 
#include "mom_structs.h" 
#include "vm_common_defs.h" 
 
 
#ifdef __cplusplus 
extern "C" { 
#endif /* __cplusplus */ 
 
Void  	InterpolateImage _P_((	Image *input_image, 
			Image *output_image, 
			Int rounding_control 
	)); 
Int  	GetMotionImages _P_((	Image *imv16_w, 
			Image *imv16_h, 
			Image *imv8_w, 
			Image *imv8_h, 
			Image *imode16, 
			Image **mv_x, 
			Image **mv_y, 
			Image **mode 
	)); 
Int  	ChooseMode _P_((	SInt *curr, 
			Int x_pos, 
			Int y_pos, 
			Int min_SAD, 
			UInt width 
	)); 
Int  	SAD_Macroblock _P_((	SInt *ii, 
			SInt *act_block, 
			UInt h_length, 
			Int Min_FRAME 
	)); 
Int  	SAD_Block _P_((	SInt *ii, 
			SInt *act_block, 
			UInt h_length, 
			Int min_sofar 
	)); 
Void 	LoadArea _P_((	SInt *im, 
			Int x, 
			Int y, 
			Int x_size, 
			Int y_size, 
			Int lx, 
			SInt *block 
	)); 
Void  	SetArea _P_((	SInt *block, 
			Int x, 
			Int y, 
			Int x_size, 
			Int y_size, 
			Int lx, 
			SInt *im 
	)); 
 
#ifdef __cplusplus 
} 
#endif /* __cplusplus  */  
 
 
#endif /* _MOT_UTIL_H_ */