slice.h

Nokia H.264/AVC Encoder/Decoder Usage Manual

/*
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a fully compliant decoder implementation (hereinafter "Decoder") of 
ITU-T Recommendation H.264 / ISO/IEC International Standard 14496-10 and 
an encoder implementation producing output that is decodable with the 
Decoder.

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*/



#ifndef _SLICE_H_
#define _SLICE_H_


#include "globals.h"
#include "bitbuffer.h"
#include "encparams.h"
#include "dpb.h"
#include "parameterset.h"
#include "ratecontrol.h"


typedef struct _slice_s
{
  // Interface between slice layer and frame layer
  frmBuf_s    *origBuf;
  frmBuf_s    *recoBuf;
  bitbuffer_s *bitbuf;
  statSlice_s *frmStat;
  mbState_s   *mbStateArr;

  // slice parameters
  int16 groupId;
  int16 firstMbX;
  int16 firstMbY;
  int16 firstMbAddr;
  int16 sliceGroupChangeCycle;
  int16 qp;

  // frame parameters
  int16 sliceType;

  int16 picSizeInMbs;
  int16 mbksPerLine;
  int16 mbksPerCol;

  int16 poc;
  int16 isIDR;
  int16 idrPicId;
  int16 nalRefIdc;

  // slice encoding structures
  meProfile_s  meProfile;   // control trade-off between coding efficiency & speed in ME
  macroblock_s mb;


} slice_s;


int sliceEncode(slice_s             *slice, 
                int                 sliceNum, 
                dpbBuf_s            *dpbBuf,
                encParams_s         *encPar,
                int                 tuneFactor,
                int                 *mapRIR,
                seq_parameter_set_s *sps, 
                pic_parameter_set_s *pps,
                int                 forcedIRNo,
                int                 *forcedIR,
                rateCtrl_s    *pbRC);


void sliceGenerateMbMap(slice_s *slice, 
                        pic_parameter_set_s *pps);

#endif