vqmcalc.h

This program is an implementation of a part of one or more MPEG-4 Video tools as specified in ISO/IE

extern "C" {
  
  typedef void (fdctFunc)(short * const block);
  typedef fdctFunc* fdctFuncPtr;	
  
  extern "C" fdctFuncPtr fdct;

  fdctFunc fdct_mmx;

}

static const short mpegmatrix[]={8,16,19,22,26,27,29,34,16,16,22,21,27,29,34,37,19,22,26,27,29,31,34,38,22,22,26,27,29,34,37,40,22,26,27,29,32,35,40,48,26,27,29,32,35,40,48,58,26,27,29,34,38,46,56,69,27,29,35,38,46,56,69,83};

class VqmCalc : public GenericVideoFilter {   
  
  float VqmFrame;
  float imagm;
  float imagM;
  short* blockA;
  short* blockB;
  float* blockA2;
  float* blockB2;
  boolean notdone;
  fdctFuncPtr fdct;
  int width;
  int widthUV;
  int height;
  int heightUV; 
  
 public:
  VqmCalc(PClip _child1, PClip _child2, const char *fname, IScriptEnvironment* env);
  ~VqmCalc();
  PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env);
  void FillBlocks(const BYTE* ref,short* outref,int pitchref,const BYTE* alt,short * outlat,int pitchalt);
  void LocalContrasts(float* block, float* block2); 
  void ApplySCSFMatrix(float* block, float* block2);
  void DiffBlocks(float* a, float*  b);
  float MeanBlock(float*  block);
  float MaxBlock(float*  block);
  void ConvertTo(short* block, float* block2, short* block3, float* block4);
  PClip child2;
  FILE* log;
};