156 lines
5.4 KiB
C++
156 lines
5.4 KiB
C++
/* The copyright in this software is being made available under the BSD
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* License, included below. This software may be subject to other third party
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* and contributor rights, including patent rights, and no such rights are
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* granted under this license.
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*
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* Copyright (c) 2010-2014, ITU/ISO/IEC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file TComMv.h
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\brief motion vector class (header)
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*/
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#ifndef __TCOMMV__
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#define __TCOMMV__
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#include "CommonDef.h"
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#include <cstdlib>
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//! \ingroup TLibCommon
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//! \{
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// ====================================================================================================================
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// Class definition
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// ====================================================================================================================
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/// basic motion vector class
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class TComMv
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{
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private:
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Short m_iHor; ///< horizontal component of motion vector
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Short m_iVer; ///< vertical component of motion vector
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public:
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// ------------------------------------------------------------------------------------------------------------------
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// constructors
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// ------------------------------------------------------------------------------------------------------------------
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TComMv() :
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m_iHor(0),
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m_iVer(0)
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{
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}
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TComMv( Short iHor, Short iVer ) :
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m_iHor(iHor),
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m_iVer(iVer)
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{
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}
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// ------------------------------------------------------------------------------------------------------------------
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// set
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// ------------------------------------------------------------------------------------------------------------------
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Void set ( Short iHor, Short iVer) { m_iHor = iHor; m_iVer = iVer; }
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Void setHor ( Short i ) { m_iHor = i; }
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Void setVer ( Short i ) { m_iVer = i; }
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Void setZero () { m_iHor = m_iVer = 0; }
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// ------------------------------------------------------------------------------------------------------------------
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// get
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// ------------------------------------------------------------------------------------------------------------------
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Int getHor () const { return m_iHor; }
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Int getVer () const { return m_iVer; }
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Int getAbsHor () const { return abs( m_iHor ); }
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Int getAbsVer () const { return abs( m_iVer ); }
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// ------------------------------------------------------------------------------------------------------------------
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// operations
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// ------------------------------------------------------------------------------------------------------------------
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const TComMv& operator += (const TComMv& rcMv)
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{
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m_iHor += rcMv.m_iHor;
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m_iVer += rcMv.m_iVer;
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return *this;
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}
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const TComMv& operator-= (const TComMv& rcMv)
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{
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m_iHor -= rcMv.m_iHor;
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m_iVer -= rcMv.m_iVer;
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return *this;
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}
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const TComMv& operator>>= (const Int i)
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{
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m_iHor >>= i;
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m_iVer >>= i;
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return *this;
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}
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const TComMv& operator<<= (const Int i)
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{
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m_iHor <<= i;
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m_iVer <<= i;
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return *this;
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}
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const TComMv operator - ( const TComMv& rcMv ) const
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{
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return TComMv( m_iHor - rcMv.m_iHor, m_iVer - rcMv.m_iVer );
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}
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const TComMv operator + ( const TComMv& rcMv ) const
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{
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return TComMv( m_iHor + rcMv.m_iHor, m_iVer + rcMv.m_iVer );
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}
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Bool operator== ( const TComMv& rcMv ) const
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{
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return (m_iHor==rcMv.m_iHor && m_iVer==rcMv.m_iVer);
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}
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Bool operator!= ( const TComMv& rcMv ) const
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{
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return (m_iHor!=rcMv.m_iHor || m_iVer!=rcMv.m_iVer);
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}
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const TComMv scaleMv( Int iScale ) const
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{
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Int mvx = Clip3( -32768, 32767, (iScale * getHor() + 127 + (iScale * getHor() < 0)) >> 8 );
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Int mvy = Clip3( -32768, 32767, (iScale * getVer() + 127 + (iScale * getVer() < 0)) >> 8 );
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return TComMv( mvx, mvy );
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}
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};// END CLASS DEFINITION TComMV
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//! \}
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#endif // __TCOMMV__
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