hvirtual/quicktime/encore50/mot_util.h

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#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_ */

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