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ContextModel3DBuffer.h
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33 
38 #ifndef __CONTEXTMODEL3DBUFFER__
39 #define __CONTEXTMODEL3DBUFFER__
40 
41 #include <stdio.h>
42 #include <memory.h>
43 
44 #include "CommonDef.h"
45 #include "ContextModel.h"
46 
49 
50 // ====================================================================================================================
51 // Class definition
52 // ====================================================================================================================
53 
56 {
57 protected:
59  const UInt m_sizeX;
60  const UInt m_sizeXY;
61  const UInt m_sizeXYZ;
62 
63 public:
64  ContextModel3DBuffer ( UInt uiSizeZ, UInt uiSizeY, UInt uiSizeX, ContextModel *basePtr, Int &count );
66 
67  // access functions
68  ContextModel& get( UInt uiZ, UInt uiY, UInt uiX )
69  {
70  return m_contextModel[ uiZ * m_sizeXY + uiY * m_sizeX + uiX ];
71  }
72  ContextModel* get( UInt uiZ, UInt uiY )
73  {
74  return &m_contextModel[ uiZ * m_sizeXY + uiY * m_sizeX ];
75  }
76  ContextModel* get( UInt uiZ )
77  {
78  return &m_contextModel[ uiZ * m_sizeXY ];
79  }
80 
81  // initialization & copy functions
82  Void initBuffer( SliceType eSliceType, Int iQp, UChar* ctxModel );
83 
84  UInt calcCost( SliceType sliceType, Int qp, UChar* ctxModel );
85 
89  {
90  assert( m_sizeXYZ == src->m_sizeXYZ );
91  ::memcpy( m_contextModel, src->m_contextModel, sizeof(ContextModel) * m_sizeXYZ );
92  }
93 };
94 
96 
97 #endif // _HM_CONTEXT_MODEL_3DBUFFER_H_
const UInt m_sizeXY
X times Y size of 3D buffer.
const UInt m_sizeX
X size of 3D buffer.
SliceType
supported slice type
Definition: TypeDef.h:283
Defines version information, constants and small in-line functions.
void Void
Definition: TypeDef.h:203
const UInt m_sizeXYZ
total size of 3D buffer
unsigned int UInt
Definition: TypeDef.h:212
context model class
Definition: ContextModel.h:57
UInt calcCost(SliceType sliceType, Int qp, UChar *ctxModel)
determine cost of choosing a probability table based on current probabilities
unsigned char UChar
Definition: TypeDef.h:208
ContextModel3DBuffer(UInt uiSizeZ, UInt uiSizeY, UInt uiSizeX, ContextModel *basePtr, Int &count)
context model 3D buffer class
context model class (header)
ContextModel * m_contextModel
array of context models
int Int
Definition: TypeDef.h:211
Void copyFrom(const ContextModel3DBuffer *src)
Void initBuffer(SliceType eSliceType, Int iQp, UChar *ctxModel)
initialize 3D buffer by slice type &amp; QP