Dirac - A Video Codec

Created by the British Broadcasting Corporation.


downconvert.h
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1/* ***** BEGIN LICENSE BLOCK *****
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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
43namespace dirac
44{
45
47
54
55 public:
56
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
Definition of class SequenceHeaderByteIO.
Definition: accessunit_byteio.h:52
short ValueType
Type of picture data (including motion compensated residuals)
Definition: common.h:70
A class for picture component data.
Definition: common.h:719
A class for fast downconversion of picture data.
Definition: downconvert.h:53
static const int StageI_V
Definition: downconvert.h:87
DownConverter(const DownConverter &cpy)
static const int StageI_VI
Definition: downconvert.h:88
void DoDownConvert(const PicArray &old_data, PicArray &new_data)
A function to do the actual down-conversion.
static const int StageI_II
Definition: downconvert.h:84
void RowLoop(const int colpos, PicArray &new_data)
static const int StageI_I
Definition: downconvert.h:83
static const int Stage_I_Size
Definition: downconvert.h:82
static const int StageI_III
Definition: downconvert.h:85
static const int StageI_IV
Definition: downconvert.h:86
DownConverter & operator=(const DownConverter &rhs)
~DownConverter()
Destructor.
Definition: downconvert.h:60
static const int StageI_Shift
Definition: downconvert.h:89
ValueType * m_row_buffer
Definition: downconvert.h:79
DownConverter()
Constructor.

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