source: 3DVCSoftware/branches/HTM-8.2-dev0/source/Lib/TLibCommon/TComMv.h @ 710

Last change on this file since 710 was 655, checked in by tech, 11 years ago

Merged 8.1-Cleanup@654

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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) 2010-2013, 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.
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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
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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
34/** \file     TComMv.h
35    \brief    motion vector class (header)
36*/
37
38#ifndef __TCOMMV__
39#define __TCOMMV__
40
41#include "CommonDef.h"
42#include <cstdlib>
43
44//! \ingroup TLibCommon
45//! \{
46
47// ====================================================================================================================
48// Class definition
49// ====================================================================================================================
50
51/// basic motion vector class
52class TComMv
53{
54private:
55  Short m_iHor;     ///< horizontal component of motion vector
56  Short m_iVer;     ///< vertical component of motion vector
57#if H_3D_NBDV
58  Bool  m_bIDV;       
59  Short m_iIDVHor;   
60  Short m_iIDVVer;   
61  Short m_iIDVVId;  //view index of the IDV
62#endif
63public:
64 
65  // ------------------------------------------------------------------------------------------------------------------
66  // constructors
67  // ------------------------------------------------------------------------------------------------------------------
68 
69  TComMv() :
70  m_iHor(0),
71  m_iVer(0)
72#if H_3D_NBDV
73  , m_bIDV(false)
74  , m_iIDVHor(0)
75  , m_iIDVVer(0)
76  , m_iIDVVId(0) 
77#endif
78  {
79  }
80 
81  TComMv( Short iHor, Short iVer ) :
82  m_iHor(iHor),
83  m_iVer(iVer)
84 #if H_3D_NBDV
85  , m_bIDV(false)
86  , m_iIDVHor(0)
87  , m_iIDVVer(0)
88  , m_iIDVVId(0)
89#endif
90  {
91  }
92 
93  // ------------------------------------------------------------------------------------------------------------------
94  // set
95  // ------------------------------------------------------------------------------------------------------------------
96 
97  Void  set       ( Short iHor, Short iVer)     { m_iHor = iHor;  m_iVer = iVer;            }
98  Void  setHor    ( Short i )                   { m_iHor = i;                               }
99  Void  setVer    ( Short i )                   { m_iVer = i;                               }
100  Void  setZero   ()                            { m_iHor = m_iVer = 0; 
101 #if H_3D_NBDV
102   m_bIDV = false; m_iIDVHor = m_iIDVVer = 0;
103   m_iIDVVId = 0; 
104#endif
105  }
106#if H_3D_NBDV
107  Void   setIDVHor  (Short i)                    {m_iIDVHor = i;}
108  Void   setIDVVer  (Short i)                    {m_iIDVVer = i;}
109  Void   setIDVFlag (Bool b )                    {m_bIDV    = b;}
110  Void   setIDVVId  (Short i)                    {m_iIDVVId = i;}
111#endif
112  // ------------------------------------------------------------------------------------------------------------------
113  // get
114  // ------------------------------------------------------------------------------------------------------------------
115 
116  Int   getHor    () const { return m_iHor;          }
117  Int   getVer    () const { return m_iVer;          }
118  Int   getAbsHor () const { return abs( m_iHor );   }
119  Int   getAbsVer () const { return abs( m_iVer );   }
120#if H_3D_NBDV
121  Short getIDVHor () const { return m_iIDVHor;       }
122  Short getIDVVer () const { return m_iIDVVer;       }
123  Bool  getIDVFlag() const { return m_bIDV;          }
124  Short getIDVVId () const { return m_iIDVVId;       }
125
126#endif
127  // ------------------------------------------------------------------------------------------------------------------
128  // operations
129  // ------------------------------------------------------------------------------------------------------------------
130 
131  const TComMv& operator += (const TComMv& rcMv)
132  {
133    m_iHor += rcMv.m_iHor;
134    m_iVer += rcMv.m_iVer;
135    return  *this;
136  }
137 
138  const TComMv& operator-= (const TComMv& rcMv)
139  {
140    m_iHor -= rcMv.m_iHor;
141    m_iVer -= rcMv.m_iVer;
142    return  *this;
143  }
144 
145  const TComMv& operator>>= (const Int i)
146  {
147    m_iHor >>= i;
148    m_iVer >>= i;
149    return  *this;
150  }
151 
152  const TComMv& operator<<= (const Int i)
153  {
154    m_iHor <<= i;
155    m_iVer <<= i;
156    return  *this;
157  }
158 
159  const TComMv operator - ( const TComMv& rcMv ) const
160  {
161    return TComMv( m_iHor - rcMv.m_iHor, m_iVer - rcMv.m_iVer );
162  }
163 
164  const TComMv operator + ( const TComMv& rcMv ) const
165  {
166    return TComMv( m_iHor + rcMv.m_iHor, m_iVer + rcMv.m_iVer );
167  }
168 
169  Bool operator== ( const TComMv& rcMv ) const
170  {
171    return (m_iHor==rcMv.m_iHor && m_iVer==rcMv.m_iVer);
172  }
173 
174  Bool operator!= ( const TComMv& rcMv ) const
175  {
176    return (m_iHor!=rcMv.m_iHor || m_iVer!=rcMv.m_iVer);
177  }
178 
179  const TComMv scaleMv( Int iScale ) const
180  {
181    Int mvx = Clip3( -32768, 32767, (iScale * getHor() + 127 + (iScale * getHor() < 0)) >> 8 );
182    Int mvy = Clip3( -32768, 32767, (iScale * getVer() + 127 + (iScale * getVer() < 0)) >> 8 );
183    return TComMv( mvx, mvy );
184  }
185};// END CLASS DEFINITION TComMV
186
187//! \}
188
189#endif // __TCOMMV__
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