defines.h

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/*!
 **************************************************************************
 * \file defines.h
 *
 * \brief
 *    Header file containing some useful global definitions.
 *
 * \author
 *    Detlev Marpe
 *    Copyright (C) 2000 HEINRICH HERTZ INSTITUTE All Rights Reserved.
 *
 * \date
 *    21. March 2001
 **************************************************************************
 */

#ifndef _DEFINES_H_
#define _DEFINES_H_

#if defined _DEBUG
#define TRACE           0      //!< 0:Trace off 1:Trace on 2:detailed CABAC context information
#else
#define TRACE           0      //!< 0:Trace off 1:Trace on 2:detailed CABAC context information
#endif

// Dump DPB for debug purposes
#define DUMP_DPB        0
//#define PAIR_FIELDS_IN_OUTPUT
#define IMGTYPE         1       //!< Define imgpel size type. 0 implies byte (cannot handle >8 bit depths) and 1 implies unsigned short

//#define MAX_NUM_SLICES 150
#define MAX_NUM_SLICES 50

//FREXT Profile IDC definitions
#define FREXT_HP        100      //!< YUV 4:2:0/8 "High"
#define FREXT_Hi10P     110      //!< YUV 4:2:0/10 "High 10"
#define FREXT_Hi422     122      //!< YUV 4:2:2/10 "High 4:2:2"
#define FREXT_Hi444     244      //!< YUV 4:4:4/14 "High 4:4:4"
#define FREXT_CAVLC444   44      //!< YUV 4:4:4/14 "CAVLC 4:4:4"

#define YUV400 0
#define YUV420 1
#define YUV422 2
#define YUV444 3

#define ZEROSNR 0
#define MAX_REFERENCE_PICTURES 32               //!< H.264 allows 32 fields

// CAVLC
#define LUMA              0
#define LUMA_INTRA16x16DC 1
#define LUMA_INTRA16x16AC 2
#define CB                3
#define CB_INTRA16x16DC   4
#define CB_INTRA16x16AC   5
#define CR                8
#define CR_INTRA16x16DC   9
#define CR_INTRA16x16AC   10

#define TOTRUN_NUM       15
#define RUNBEFORE_NUM     7
#define RUNBEFORE_NUM_M1  6


//--- block types for CABAC ----
#define LUMA_16DC       0
#define LUMA_16AC       1
#define LUMA_8x8        2
#define LUMA_8x4        3
#define LUMA_4x8        4
#define LUMA_4x4        5
#define CHROMA_DC       6
#define CHROMA_AC       7
#define CHROMA_DC_2x4   8
#define CHROMA_DC_4x4   9
#define CB_16DC         10
#define CB_16AC         11
#define CB_8x8          12
#define CB_8x4          13
#define CB_4x8          14
#define CB_4x4          15
#define CR_16DC         16
#define CR_16AC         17
#define CR_8x8          18
#define CR_8x4          19
#define CR_4x8          20
#define CR_4x4          21 
#define NUM_BLOCK_TYPES 22  

#define MAX_CODED_FRAME_SIZE 8000000         //!< bytes for one frame

//#define _LEAKYBUCKET_

#define PSKIP          0
#define BSKIP_DIRECT   0
#define P16x16         1
#define P16x8          2
#define P8x16          3
#define SMB8x8         4
#define SMB8x4         5
#define SMB4x8         6
#define SMB4x4         7
#define P8x8           8
#define I4MB           9
#define I16MB         10
#define IBLOCK        11
#define SI4MB         12
#define I8MB          13
#define IPCM          14
#define MAXMODE       15

#define IS_INTRA(MB)    ((MB)->mb_type==I4MB  || (MB)->mb_type==I16MB ||(MB)->mb_type==IPCM || (MB)->mb_type==I8MB || (MB)->mb_type==SI4MB)
#define IS_NEWINTRA(MB) ((MB)->mb_type==I16MB  || (MB)->mb_type==IPCM)
#define IS_OLDINTRA(MB) ((MB)->mb_type==I4MB)

#define IS_INTER(MB)    ((MB)->mb_type!=I4MB  && (MB)->mb_type!=I16MB && (MB)->mb_type!=I8MB  && (MB)->mb_type!=IPCM)
#define IS_INTERMV(MB)  ((MB)->mb_type!=I4MB  && (MB)->mb_type!=I16MB && (MB)->mb_type!=I8MB  && (MB)->mb_type!=0 && (MB)->mb_type!=IPCM)
#define IS_DIRECT(MB)   ((MB)->mb_type==0     && (img->type==B_SLICE ))
#define IS_COPY(MB)     ((MB)->mb_type==0     && (img->type==P_SLICE || img->type==SP_SLICE))
#define IS_P8x8(MB)     ((MB)->mb_type==P8x8)


// Quantization parameter range

#define MIN_QP          0
#define MAX_QP          51

#define BLOCK_SIZE      4
#define BLOCK_SIZE_8x8  8
#define SMB_BLOCK_SIZE  8
#define BLOCK_PIXELS    16
#define BLOCK_SHIFT     2
#define MB_BLOCK_SIZE   16
#define MB_PIXELS       256    // MB_BLOCK_SIZE * MB_BLOCK_SIZE
#define BLOCK_MULTIPLE  4      // (MB_BLOCK_SIZE/BLOCK_SIZE)

#define NO_INTRA_PMODE  9      //!< number of intra prediction modes

// 4x4 intra prediction modes 
enum {
  VERT_PRED            = 0,
  HOR_PRED             = 1,
  DC_PRED              = 2,
  DIAG_DOWN_LEFT_PRED  = 3,
  DIAG_DOWN_RIGHT_PRED = 4,
  VERT_RIGHT_PRED      = 5,
  HOR_DOWN_PRED        = 6,
  VERT_LEFT_PRED       = 7,
  HOR_UP_PRED          = 8
};

// 16x16 intra prediction modes
enum {
  VERT_PRED_16 = 0,
  HOR_PRED_16  = 1,
  DC_PRED_16   = 2,
  PLANE_16     = 3
};

// 8x8 chroma intra prediction modes
enum {
  DC_PRED_8   = 0,
  HOR_PRED_8  = 1,
  VERT_PRED_8 = 2,
  PLANE_8     = 3
};

// MV Prediction types
enum {
  MVPRED_MEDIAN   = 0,
  MVPRED_L        = 1,
  MVPRED_U        = 2,
  MVPRED_UR       = 3
};

enum {
  EOS = 1,    //!< End Of Sequence
  SOP = 2,    //!< Start Of Picture
  SOS = 3     //!< Start Of Slice
};

enum {
   DECODING_OK     = 0,
   SEARCH_SYNC     = 1,
   PICTURE_DECODED = 2
};

#define INVALIDINDEX  (-135792468)


//Start code and Emulation Prevention need this to be defined in identical manner at encoder and decoder
#define ZEROBYTES_SHORTSTARTCODE 2 //indicates the number of zero bytes in the short start-code prefix

// enable tone map the output if tone mapping SEI present
#define ENABLE_OUTPUT_TONEMAPPING

#define MAX_PLANE   3
#define IS_INDEPENDENT(IMG) ((IMG)->separate_colour_plane_flag)
#define IS_FREXT_PROFILE(profile_idc) ( profile_idc>=FREXT_HP || profile_idc == FREXT_CAVLC444 )
#define HI_INTRA_ONLY_PROFILE (((active_sps->profile_idc>=FREXT_Hi10P)&&(active_sps->constrained_set3_flag))||(active_sps->profile_idc==FREXT_CAVLC444)) 
#endif