defines.h

davinci avs.......................................................

/*!
 ***************************************************************************
 * \file
 *     defines.h
 *
 * \brief
 *   marco, variable definition
 *    
 *
 * \date
 *    01. Apr 2005
 ***************************************************************************
 */


#ifndef _DEFINES_H_
#define _DEFINES_H_


#define _PSNR_YUV_


#define _HRD_    //!


#define _ISOLATED_REGION_     

#define MAX_CODED_FRAME_SIZE 200000//1500000         //!< bytes for one frame

#if defined _DEBUG
#define TRACE           1                   //!< 0:Trace off 1:Trace on
#else
#define TRACE           1                  //!< 0:Trace off 1:Trace on
#endif

#if defined _DEBUG
#define ERR_REPORT      0                   //!< 0: Error Report off 1: Error Report ON
#else
#define ERR_REPORT      0
#endif

#define ABSM(A) ((A)<(0) ? (-(A)):(A))      //!< abs macro, faster than function-call
#define MAX_VALUE       999999              //!< used for start value for some variables
#define Clip1(a)            ((a)>255?255:((a)<0?0:(a)))
#define IClip(min,max,val) (((val)<(min))?(min):(((val)>(max))?(max):(val)))


/* referece picture flag */
#define REF_PIC   0
#define UNREF_PIC 1 


// FLAGS and DEFINES.
#define SKIP_MB 0
#define P8x8    4 
#define I4MB    5   // JX 05-4-1

#define IS_INTRA(MB)    ((MB)->mb_type==I4MB)
#define IS_INTER(MB)    ((MB)->mb_type!=I4MB  )
#define IS_INTERMV(MB)  ((MB)->mb_type!=I4MB  && (MB)->mb_type!=0)
#define IS_COPY(MB)     ((MB)->mb_type==0     && (pgImage->   type==P_IMG))
#define IS_P8x8(MB)     ((MB)->mb_type==P8x8)	// JX 05-4-1

// Quantization parameter range
#define MIN_QP          0
#define MAX_QP          63

#define BLOCK_SIZE      4
#define B8_SIZE         8
#define MB_BLOCK_SIZE   16

//added by MAZHAN
//!< 4x4 intra prediction modes  
#define DOWN_LEFT_PRED        0
#define VERT_LEFT_PRED        1
#define VERT_PRED             2
#define VERT_RIGHT_PRED       3
#define DOWN_RIGHT_PRED       4
#define HOR_DOWN_PRED         5
#define HOR_PRED              6
#define HOR_UP_PRED           7
#define DC_PRED               8

// 4x4 chroma intra prediction modes
#define DC_PRED_8       0
#define HOR_PRED_8      1
#define VERT_PRED_8     2

#define EOS             1                       //!< End Of Sequence
#define SOP             2                       //!< Start Of Picture
#define LPOS			3			//WJP FOR NAL

#define DECODING_OK     0
#define SEARCH_SYNC     1

#ifndef WIN32
#define max(a, b)      ((a) > (b) ? (a) : (b))  //!< Macro returning max value
#define min(a, b)      ((a) < (b) ? (a) : (b))  //!< Macro returning min value
#else
#define mmax(a, b)      ((a) > (b) ? (a) : (b)) //!< Macro returning max value
#define mmin(a, b)      ((a) < (b) ? (a) : (b)) //!< Macro returning min value
#endif


#define clamp(a,b,c) ( (a)<(b) ? (b) : ((a)>(c)?(c):(a)) )    //!< clamp a to the range of [b;c]

#define MVPRED_MEDIAN   0
#define MVPRED_L        1
#define MVPRED_U        2
#define MVPRED_UR       3

#define DECODE_MB       1

#define BLOCK_MULTIPLE      (MB_BLOCK_SIZE/(BLOCK_SIZE))

//VLC defines
#define CODE2D_ESCAPE_SYMBOL 39
#define ABTCODE2D_ESCAPE_SYMBOL 59

#endif