Dirac - A Video Codec

Created by the British Broadcasting Corporation.


downconvert.h
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3 * $Id: downconvert.h,v 1.11 2007/03/19 16:19:00 asuraparaju Exp $ $Name: Dirac_1_0_2 $
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38 
39 #ifndef _DOWNCONVERT_H_
40 #define _DOWNCONVERT_H_
41 
42 #include <libdirac_common/common.h>
43 namespace dirac
44 {
45 
47 
54 
55  public:
56 
58  DownConverter();
61 
63 
68  void DoDownConvert(const PicArray& old_data, PicArray& new_data);
69 
70  private:
71  //Copy constructor
72  DownConverter(const DownConverter& cpy);//private, body-less: class should not be copied
73  //Assignment=
74  DownConverter& operator=(const DownConverter& rhs);//private, body-less: class should not be assigned
75 
76  //Applies the filter to a single column
77  void RowLoop(const int colpos , PicArray& new_data );
78 
80 
81  //Define filter parameters
82  static const int Stage_I_Size = 6;
83  static const int StageI_I = 86;
84  static const int StageI_II = 46;
85  static const int StageI_III = 4;
86  static const int StageI_IV = -8;
87  static const int StageI_V = -4;
88  static const int StageI_VI = 4;
89  static const int StageI_Shift = 8;
90  };
91 
92 } // namespace dirac
93 
94 #endif

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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