source: 3DVCSoftware/trunk/source/Lib/TLibCommon/ContextModel3DBuffer.h @ 724

Last change on this file since 724 was 608, checked in by tech, 11 years ago

Merged DEV-2.0-dev0@604.

  • Property svn:eol-style set to native
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[5]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
[56]4 * granted under this license. 
[5]5 *
[608]6 * Copyright (c) 2010-2013, ITU/ISO/IEC
[5]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.
[56]17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
[5]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 */
[2]33
34/** \file     ContextModel3DBuffer.h
35    \brief    context model 3D buffer class (header)
36*/
37
[56]38#ifndef _HM_CONTEXT_MODEL_3DBUFFER_H_
39#define _HM_CONTEXT_MODEL_3DBUFFER_H_
[2]40
41#include <stdio.h>
42#include <assert.h>
43#include <memory.h>
44
45#include "CommonDef.h"
46#include "ContextModel.h"
47
[56]48//! \ingroup TLibCommon
49//! \{
50
[2]51// ====================================================================================================================
52// Class definition
53// ====================================================================================================================
54
55/// context model 3D buffer class
56class ContextModel3DBuffer
57{
58protected:
[56]59  ContextModel* m_contextModel; ///< array of context models
60  const UInt    m_sizeX;        ///< X size of 3D buffer
61  const UInt    m_sizeXY;       ///< X times Y size of 3D buffer
62  const UInt    m_sizeXYZ;      ///< total size of 3D buffer
[2]63 
64public:
[56]65  ContextModel3DBuffer  ( UInt uiSizeZ, UInt uiSizeY, UInt uiSizeX, ContextModel *basePtr, Int &count );
66  ~ContextModel3DBuffer () {}
[2]67 
68  // access functions
69  ContextModel& get( UInt uiZ, UInt uiY, UInt uiX )
70  {
[56]71    return  m_contextModel[ uiZ * m_sizeXY + uiY * m_sizeX + uiX ];
[2]72  }
73  ContextModel* get( UInt uiZ, UInt uiY )
74  {
[56]75    return &m_contextModel[ uiZ * m_sizeXY + uiY * m_sizeX ];
[2]76  }
77  ContextModel* get( UInt uiZ )
78  {
[56]79    return &m_contextModel[ uiZ * m_sizeXY ];
[2]80  }
81 
82  // initialization & copy functions
[56]83  Void initBuffer( SliceType eSliceType, Int iQp, UChar* ctxModel );          ///< initialize 3D buffer by slice type & QP
84 
85  UInt calcCost( SliceType sliceType, Int qp, UChar* ctxModel );      ///< determine cost of choosing a probability table based on current probabilities
86  /** copy from another buffer
87   * \param src buffer to copy from
88   */
89  Void copyFrom( ContextModel3DBuffer* src )
90  {
91    assert( m_sizeXYZ == src->m_sizeXYZ );
92    ::memcpy( m_contextModel, src->m_contextModel, sizeof(ContextModel) * m_sizeXYZ );
93  }
[2]94};
95
[56]96//! \}
[2]97
[56]98#endif // _HM_CONTEXT_MODEL_3DBUFFER_H_
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