/******************************************************** * Some code. Copyright (C) 2003 by Pascal Massimino.   * * All Rights Reserved.      (http://skal.planet-d.net) * * For Educational/Academic use ONLY. See 'LICENSE.TXT'.* ********************************************************//* * skl_mpg4_anl.h * *  Default Built-In analyzer for MPEG4 encoder ********************************************************/#include "skl_syst/skl_mpg4.h"#include "skl_syst/skl_dsp.h"#include "skl_syst/skl_bits.h"#include "skl_syst/skl_exception.h"#include "./skl_mpg_2pass.h"extern "C" double sqrt(double);extern "C" double fabs(double);extern "C" double pow(double, double);//////////////////////////////////////////////////////////// Let's implement the interface//////////////////////////////////////////////////////////class SKL_MP4_ANALYZER_I : public SKL_MP4_ANALYZER{  protected:    float Q_Cur, Q0, Q_Base;    float MV_Search_Window, MV_Search_Window0;    int Quant_Type;    int Rounding;    int Intra_Max, Intra_Count;    int Inter_Coding_Threshold;    int Use_Trellis;    int Use_BFrame;    int Interlace_Field, Interlace_DCT;    int Reduced_Frame;    int Frequency, Ticks_Per_Frame;    /* ticks per seconds/ticks per frame */    int Intra_Limit;    int SAD_Low_Limit, SAD_Hi_Limit;    int Search_Metric;    int Search_Method;    int Luminance_Masking;    float dQuant_Amp;    int Inter4V_Probing, Field_Pred_Probing;    int Hi_Mem;    int Subpixel_Precision;    int Bit_Rate;    int Buffer_Size_Max;    float Frame_Rate;    int Verbose;    float Lambda;     // scaling factor    int GMC_Pts;    int GMC_Mode;    int GMC_Warps[4][2];    int GMC_Accuracy;          // 2-Pass    SKL_MPG_2PASS Pass;          // aux data for ME    size_t    _Aux_Pic_Size;    SKL_BYTE *_Aux_Data;    void Alloc_Aux(size_t Pic_Size);    void Free_Aux();    SKL_BYTE *_HPels[4];    void Set_Half_Pels(const SKL_MP4_INFOS * const Infos, const SKL_MP4_PIC * const Ref);          // some stats    int Nb_MV_Stat;    int MVx_Mean_Stat, MVy_Mean_Stat;    int MV_Max_Stat;    int dMV_Max_Stat;    int MVx_SSE_Stat, MVy_SSE_Stat;    SKL_MV Last_Avrg_MV;    double _mv, _dv;    void Reset_Stats();    void Add_To_Stats(const SKL_MV v);    void Add_Max_MV_To_Stats(const SKL_MV v);    void Compile_Stats();    static void Store_Max(SKL_MV Max, const SKL_MV v, const SKL_MV Pred);    static void Set_Max(SKL_MV Max, const SKL_MV v, const SKL_MV Pred);  protected:    void Scene_Changed();    static void Reset_Frame(const SKL_MP4_PIC *Pic,                            const SKL_MP4_INFOS *Infos);    float Mask_Luminance(const SKL_MP4_INFOS * const Frame,                         int For_BVOP) const;    void Global_Pass(SKL_MP4_INFOS * const Frame);    void Global_GMC_Pass(SKL_MP4_INFOS * const Frame);  public:    SKL_MP4_ANALYZER_I(SKL_MEM_I *Mem=0);    virtual ~SKL_MP4_ANALYZER_I();    virtual void Wake_Up(SKL_MP4_ANALYZER *Previous);    virtual void Shut_Down();    virtual int Analyze(SKL_MP4_INFOS * const Frame);    virtual void Analyze_dQ(SKL_MP4_INFOS * const Frame, int For_BVOP);    virtual void Post_Coding_Update(const SKL_MP4_INFOS * const Infos);    virtual int Set_Param(const char * const Param, int Value);    virtual int Get_Param(const char * const Param, int *Value) const;    virtual int Set_Param(const char * const Param, float Value);    virtual int Get_Param(const char * const Param, float *Value) const;    virtual int Set_Param(const char * const Param, const char * const Value);    virtual int Get_Param(const char * const Param, const char ** const Value) const;    virtual const int *Get_Param(const char * const Param) const;    virtual SKL_MEM_I *Set_Memory_Manager(SKL_MEM_I *New_Mem);    virtual void Print_Caps(); // prints capabilities. };//////////////////////////////////////////////////////////