Dirac - A Video Codec

Created by the British Broadcasting Corporation.


upconvert.h
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1/* ***** BEGIN LICENSE BLOCK *****
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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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23* Contributor(s): Richard Felton (Original Author), Thomas Davies
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37
38#ifndef _UPCONVERT_H_
39#define _UPCONVERT_H_
40
42
43namespace 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:
75
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
Definition of class SequenceHeaderByteIO.
Definition accessunit_byteio.h:52
A class for picture component data.
Definition common.h:719
UpConverter & operator=(const UpConverter &rhs)
Private body-less assignment: class should not be assigned.
const int m_orig_xl
Definition upconvert.h:92
const int m_min_val
Definition upconvert.h:89
~UpConverter()
Destructor.
Definition upconvert.h:62
int m_width_new
Definition upconvert.h:86
void DoUpConverter(const PicArray &pic_data, PicArray &up_data)
Upconvert the picture data.
int m_height_new
Definition upconvert.h:86
UpConverter(const UpConverter &cpy)
Private body-less copy constructor: class should not be copied.
int m_height_old
Definition upconvert.h:85
void RowLoop(PicArray &up_data, const int row_num, const int filter_size, const int filter_shift, const short taps[4])
Applies the filter to a row and its successor.
const int m_orig_yl
Definition upconvert.h:93
UpConverter(int min_val, int max_val, int orig_xlen, int orig_ylen)
Constructor.
int m_width_old
Definition upconvert.h:85
const int m_max_val
Definition upconvert.h:90

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