Dirac - A Video Codec

Created by the British Broadcasting Corporation.


upconvert.h
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3 * $Id: upconvert.h,v 1.13 2007/11/22 15:19:28 tjdwave Exp $ $Name: Dirac_1_0_2 $
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37 
38 #ifndef _UPCONVERT_H_
39 #define _UPCONVERT_H_
40 
41 #include <libdirac_common/common.h>
42 
43 namespace dirac
44 {
45  //Optimised upconversion class - no array resizes.
46  //Uses integer math - no floats!
47  //
48 
50 
54  {
55 
56  public:
57 
59  UpConverter(int min_val, int max_val, int orig_xlen, int orig_ylen);
60 
63 
65 
70  void DoUpConverter(const PicArray& pic_data, PicArray& up_data);
71 
72  private:
74  UpConverter(const UpConverter& cpy);
75 
77  UpConverter& operator=(const UpConverter& rhs);
78 
80  void RowLoop(PicArray& up_data, const int row_num,
81  const int filter_size, const int filter_shift, const short taps[4] );
82 
83  private:
84  //Variable to keep the loops in check
87 
88 
89  const int m_min_val;
90  const int m_max_val;
91 
92  const int m_orig_xl;
93  const int m_orig_yl;
94  };
95 
96 } // namespace dirac
97 
98 #endif

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