source: 3DVCSoftware/trunk/source/Lib/TLibCommon/TComMv.h @ 1413

Last change on this file since 1413 was 1413, checked in by tech, 6 years ago

Merged HTM-16.2-dev@1412

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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) 2010-2017, 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 *
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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.
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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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
34/** \file     TComMv.h
35    \brief    motion vector class (header)
36*/
37
38#ifndef __TCOMMV__
39#define __TCOMMV__
40
41#include "CommonDef.h"
42#if NH_3D
43#include <cstdlib>
44#endif
45
46//! \ingroup TLibCommon
47//! \{
48
49// ====================================================================================================================
50// Class definition
51// ====================================================================================================================
52
53/// basic motion vector class
54class TComMv
55{
56private:
57  Short m_iHor;     ///< horizontal component of motion vector
58  Short m_iVer;     ///< vertical component of motion vector
59#if NH_3D
60  Bool  m_bIDV;       
61  Short m_iIDVHor;   
62  Short m_iIDVVer;   
63  Short m_iIDVVId;  //view index of the IDV
64#endif
65public:
66
67  // ------------------------------------------------------------------------------------------------------------------
68  // constructors
69  // ------------------------------------------------------------------------------------------------------------------
70
71  TComMv() :
72  m_iHor(0),
73  m_iVer(0)
74#if NH_3D
75  , m_bIDV(false)
76  , m_iIDVHor(0)
77  , m_iIDVVer(0)
78  , m_iIDVVId(0) 
79#endif
80  {
81  }
82
83  TComMv( Short iHor, Short iVer ) :
84  m_iHor(iHor),
85  m_iVer(iVer)
86 #if NH_3D
87  , m_bIDV(false)
88  , m_iIDVHor(0)
89  , m_iIDVVer(0)
90  , m_iIDVVId(0)
91#endif
92  {
93  }
94
95  // ------------------------------------------------------------------------------------------------------------------
96  // set
97  // ------------------------------------------------------------------------------------------------------------------
98
99  Void  set       ( Short iHor, Short iVer)     { m_iHor = iHor;  m_iVer = iVer;            }
100  Void  setHor    ( Short i )                   { m_iHor = i;                               }
101  Void  setVer    ( Short i )                   { m_iVer = i;                               }
102#if NH_3D
103  Void  setZero   ()                            { m_iHor = m_iVer = 0; m_bIDV = false; m_iIDVHor = m_iIDVVer = 0; m_iIDVVId = 0;  }
104  Void   setIDVHor  (Short i)                    {m_iIDVHor = i;}
105  Void   setIDVVer  (Short i)                    {m_iIDVVer = i;}
106  Void   setIDVFlag (Bool b )                    {m_bIDV    = b;}
107  Void   setIDVVId  (Short i)                    {m_iIDVVId = i;}
108#else
109  Void  setZero   ()                            { m_iHor = m_iVer = 0;  }
110#endif
111  // ------------------------------------------------------------------------------------------------------------------
112  // get
113  // ------------------------------------------------------------------------------------------------------------------
114
115  Int   getHor    () const { return m_iHor;          }
116  Int   getVer    () const { return m_iVer;          }
117  Int   getAbsHor () const { return abs( m_iHor );   }
118  Int   getAbsVer () const { return abs( m_iVer );   }
119#if NH_3D
120  Short getIDVHor () const { return m_iIDVHor;       }
121  Short getIDVVer () const { return m_iIDVVer;       }
122  Bool  getIDVFlag() const { return m_bIDV;          }
123  Short getIDVVId () const { return m_iIDVVId;       }
124
125#endif
126  // ------------------------------------------------------------------------------------------------------------------
127  // operations
128  // ------------------------------------------------------------------------------------------------------------------
129
130  const TComMv& operator += (const TComMv& rcMv)
131  {
132    m_iHor += rcMv.m_iHor;
133    m_iVer += rcMv.m_iVer;
134    return  *this;
135  }
136
137  const TComMv& operator-= (const TComMv& rcMv)
138  {
139    m_iHor -= rcMv.m_iHor;
140    m_iVer -= rcMv.m_iVer;
141    return  *this;
142  }
143
144#if NH_3D
145#if ME_ENABLE_ROUNDING_OF_MVS
146
147  const TComMv& operator>>= (const Int i)
148  {
149    m_iHor >>= i;
150    m_iVer >>= i;
151    return  *this;
152  }
153#endif
154#endif
155
156#if !ME_ENABLE_ROUNDING_OF_MVS
157  const TComMv& operator>>= (const Int i)
158  {
159    m_iHor >>= i;
160    m_iVer >>= i;
161    return  *this;
162  }
163#endif
164
165#if ME_ENABLE_ROUNDING_OF_MVS
166  //! shift right with rounding
167  Void divideByPowerOf2 (const Int i)
168  {
169    Int offset = (i == 0) ? 0 : 1 << (i - 1);
170    m_iHor += offset;
171    m_iVer += offset;
172
173    m_iHor >>= i;
174    m_iVer >>= i;
175  }
176#endif
177
178  const TComMv& operator<<= (const Int i)
179  {
180    m_iHor <<= i;
181    m_iVer <<= i;
182    return  *this;
183  }
184
185  const TComMv operator - ( const TComMv& rcMv ) const
186  {
187    return TComMv( m_iHor - rcMv.m_iHor, m_iVer - rcMv.m_iVer );
188  }
189
190  const TComMv operator + ( const TComMv& rcMv ) const
191  {
192    return TComMv( m_iHor + rcMv.m_iHor, m_iVer + rcMv.m_iVer );
193  }
194
195  Bool operator== ( const TComMv& rcMv ) const
196  {
197    return (m_iHor==rcMv.m_iHor && m_iVer==rcMv.m_iVer);
198  }
199
200  Bool operator!= ( const TComMv& rcMv ) const
201  {
202    return (m_iHor!=rcMv.m_iHor || m_iVer!=rcMv.m_iVer);
203  }
204
205  const TComMv scaleMv( Int iScale ) const
206  {
207    Int mvx = Clip3( -32768, 32767, (iScale * getHor() + 127 + (iScale * getHor() < 0)) >> 8 );
208    Int mvy = Clip3( -32768, 32767, (iScale * getVer() + 127 + (iScale * getVer() < 0)) >> 8 );
209    return TComMv( mvx, mvy );
210  }
211};// END CLASS DEFINITION TComMV
212
213//! \}
214
215#endif // __TCOMMV__
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