# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

comp_decompress.h
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38
39
40
41#ifndef _COMP_DECOMPRESS_H_
42#define _COMP_DECOMPRESS_H_
43
44#include <libdirac_common/arrays.h>
45#include <libdirac_common/wavelet_utils.h>
46#include <libdirac_common/common.h>
47#include <libdirac_byteio/component_byteio.h>
48
49 namespace dirac
50{
52
57 class CompDecompressor
58 {
59 public:
61
67 CompDecompressor( DecoderParams& decp, const PictureParams& fp);
68
70
77 void Decompress(ComponentByteIO *p_component_byteio,
78 CoeffArray& coeff_data,
79 SubbandList& bands);
80
81 private:
83
88 CompDecompressor(const CompDecompressor& cpy);
89
91
96 CompDecompressor& operator=(const CompDecompressor& rhs);
97
99
106 void SetToVal(CoeffArray& pic_data,const Subband& node,CoeffType val);
107
109
113 void SetupCodeBlocks( SubbandList& bands );
114
116 DecoderParams& m_decparams;
117
119 const PictureParams& m_pparams;
120
122 const PictureSort& m_psort;
123
124
125 };
126
127} // namespace dirac
128
129#endif
component_byteio.h
arrays.h
wavelet_utils.h
common.h
dirac
Definition of class SequenceHeaderByteIO.
Definition: accessunit_byteio.h:52
dirac::CoeffType
int CoeffType
Type of wavelet coefficient data (should be larger than ValueType)
Definition: common.h:74
dirac::ComponentByteIO
Picture component in Dirac bytestream format.
Definition: component_byteio.h:59
dirac::PictureSort
Picture type Class.
Definition: common.h:229
dirac::PictureParams
Parameters for initialising picture class objects.
Definition: common.h:533
dirac::DecoderParams
Parameters for the decoding process.
Definition: common.h:1549
dirac::Subband
Class encapsulating all the metadata relating to a wavelet subband.
Definition: wavelet_utils.h:140
dirac::SubbandList
A class encapulating all the subbands produced by a transform.
Definition: wavelet_utils.h:280
dirac::CoeffArray
A class for wavelet coefficient data.
Definition: wavelet_utils.h:623
dirac::CompDecompressor
Decompress a picture component.
Definition: comp_decompress.h:58
dirac::CompDecompressor::CompDecompressor
CompDecompressor(DecoderParams &decp, const PictureParams &fp)
Constructor.
dirac::CompDecompressor::operator=
CompDecompressor & operator=(const CompDecompressor &rhs)
Assignment = is private and body-less.
dirac::CompDecompressor::Decompress
void Decompress(ComponentByteIO *p_component_byteio, CoeffArray &coeff_data, SubbandList &bands)
Decompress a picture component.
dirac::CompDecompressor::SetupCodeBlocks
void SetupCodeBlocks(SubbandList &bands)
Set up the code block structures for each subband.
dirac::CompDecompressor::CompDecompressor
CompDecompressor(const CompDecompressor &cpy)
Copy constructor is private and body-less.
dirac::CompDecompressor::m_pparams
const PictureParams & m_pparams
Reference to the picture parameters provided to the constructor.
Definition: comp_decompress.h:119
dirac::CompDecompressor::m_decparams
DecoderParams & m_decparams
Copy of the decompression parameters provided to the constructor.
Definition: comp_decompress.h:116
dirac::CompDecompressor::m_psort
const PictureSort & m_psort
Reference to the picture sort.
Definition: comp_decompress.h:122
dirac::CompDecompressor::SetToVal
void SetToVal(CoeffArray &pic_data, const Subband &node, CoeffType val)
Sets the data of a specific subband node to a given value.

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