mpeg2_params.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2002-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifndef MPEG2_PARAMS_H_
#define MPEG2_PARAMS_H_

#include "ippdefs.h"
#include "vm_types.h"

#define VM_MALLOC_GLOBAL
#include "umc_malloc.h"

/* picture type */
enum
{
  I_TYPE = 1,
  P_TYPE = 2,
  B_TYPE = 3
};

/* chroma_format */
#define CHROMA420 1
#define CHROMA422 2
#define CHROMA444 3

/* debug defines */
#define PSNR_LOG        1
#define FRAME_SIZE_LOG  2
#define MVS_LOG         4
#define QUANT_LOG       8
#define LOG_SAVE_BMP   16

// maximum string length in parameter file
#define PAR_STRLEN 256

// used to specify motion estimation ranges for different types of pictures
typedef struct _MotionData  // motion data
{
  int forw_hor_f_code;  // vector range horizontal, forward
  int forw_vert_f_code; // vector range vertical, forward
  int SearchWidthF;     // search range horizontal, forward
  int SearchHeightF;    // search range vertical, forward
  int back_hor_f_code;  // vector range horizontal, backward
  int back_vert_f_code; // vector range vertical, backward
  int SearchWidthB;     // search range horizontal, backward
  int SearchHeightB;    // search range vertical, backward
} MotionData;

class ippMPEG2EncoderParams
{
public:
  ippMPEG2EncoderParams();
  ~ippMPEG2EncoderParams();
  void ippMPEG2EncoderParams::operator=(ippMPEG2EncoderParams &p);
  IppStatus ReadParamFile(const vm_char *ParFileName,
                          vm_char *SrcFileName,
                          int *Width,
                          int *Height,
                          int *NumFramesToEncode,
                          int *BitRate);     // opens and reads MSSG standard par-file
  IppStatus ReadOldParamFile(const vm_char *ParFileName,
                             vm_char *SrcFileName,
                             int *Width,
                             int *Height,
                             int *NumFramesToEncode,
                             int *BitRate);  // opens and reads cutted par-file (obsolete)
  IppStatus ReadQMatrices();
  IppStatus Profile_and_Level_Checks();
  IppStatus RelationChecks();

  vm_char err_warn_message[256];

  vm_char                  IntraQMatrixFName[PAR_STRLEN];
  vm_char                  NonIntraQMatrixFName[PAR_STRLEN];
  vm_char                  TemplateLogFile[PAR_STRLEN];
  VM_ALIGN16_DECL(Ipp16s)  IntraQMatrix[64];
  VM_ALIGN16_DECL(Ipp16s)  NonIntraQMatrix[64];
  MotionData               *pMotionData; // motion estimation ranges for P, B0, B1, ...

  int                      prog_seq;          // progressive sequence
  int                      progressive_frame; // progressive frame
  int                      LogMask;
  int                      CustomIntraQMatrix;
  int                      CustomNonIntraQMatrix;
  int                      IPDistance;        // distance between key-frames
  int                      gopSize;           // size of GOP
  int                      frame_rate_code;   // code for values, specified in standard
  int                      aspectRatio;
  int                      ProfileID;
  int                      LevelID;
  int                      chroma_format;
  int                      repeat_first_field;
  int                      top_field_first;         // display top field first
  int                      intra_dc_precision;
  int                      FieldPicture;            // field or frame picture (if progframe=> frame)
  int                      VBV_BufferSize;
  int                      low_delay;

  int                      nonLinearQScale[3];      // sets of params for I,P,B
  int                      frame_pred_frame_dct[3]; //
  int                      intraVLCFormat[3];       //
  int                      altscan_tab[3];
  int                      mpeg1;                   // 1 - mpeg1, 0 - mpeg2

  vm_char                  idStr[PAR_STRLEN];       // user data to put to each sequence
  int                      numThreads;              // not tested, use 1
  double                   performance;
  double                   encode_time;
  double                   motion_estimation_perf;

  int                      me_alg_num;

  // these fields are currently ignored
  int inputtype;   // format of input raw data
  int constrparms; // used only with mpeg1
  // sequence display extension // also uses dst_ from base clas
  int video_format, color_primaries, transfer_characteristics;
  int matrix_coefficients;
  int conceal_tab[3];
};

#endif /* MPEG2_PARAMS_H_ */