HEVC Test Model (HM)  HM-16.3
ContextModel3DBuffer.h
Go to the documentation of this file.
1 /* The copyright in this software is being made available under the BSD
2  * License, included below. This software may be subject to other third party
3  * and contributor rights, including patent rights, and no such rights are
4  * granted under this license.
5  *
6  * Copyright (c) 2010-2015, ITU/ISO/IEC
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions are met:
11  *
12  * * Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  * * Redistributions in binary form must reproduce the above copyright notice,
15  * this list of conditions and the following disclaimer in the documentation
16  * and/or other materials provided with the distribution.
17  * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18  * be used to endorse or promote products derived from this software without
19  * specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31  * THE POSSIBILITY OF SUCH DAMAGE.
32  */
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:343
Defines constants, macros and tool parameters.
void Void
Definition: TypeDef.h:285
const UInt m_sizeXYZ
total size of 3D buffer
unsigned int UInt
Definition: TypeDef.h:297
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:293
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:296
Void copyFrom(const ContextModel3DBuffer *src)
Void initBuffer(SliceType eSliceType, Int iQp, UChar *ctxModel)
initialize 3D buffer by slice type & QP