source: 3DVCSoftware/trunk/source/Lib/TLibCommon/TComWeightPrediction.h @ 56

Last change on this file since 56 was 56, checked in by hschwarz, 12 years ago

updated trunk (move to HM6.1)

  • Property svn:eol-style set to native
File size: 4.1 KB
Line 
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) 2010-2012, 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
34/** \file     TComWeightPrediction.h
35    \brief    weighting prediction class (header)
36*/
37
38#ifndef __TCOMWEIGHTPREDICTION__
39#define __TCOMWEIGHTPREDICTION__
40
41
42// Include files
43#include "TComPic.h"
44#include "TComMotionInfo.h"
45#include "TComPattern.h"
46#include "TComTrQuant.h"
47#include "TComInterpolationFilter.h"
48
49// ====================================================================================================================
50// Class definition
51// ====================================================================================================================
52/// weighting prediction class
53class TComWeightPrediction
54{
55  wpScalingParam  m_wp0[3], m_wp1[3];
56  Int             m_ibdi;
57
58public:
59  TComWeightPrediction();
60
61  Void  getWpScaling( TComDataCU* pcCU, Int iRefIdx0, Int iRefIdx1, wpScalingParam *&wp0 , wpScalingParam *&wp1 , Int ibdi=(g_uiBitDepth+g_uiBitIncrement));
62
63  Void  addWeightBi( TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, UInt iPartUnitIdx, UInt iWidth, UInt iHeight, wpScalingParam *wp0, wpScalingParam *wp1, TComYuv* rpcYuvDst, Bool bRound=true );
64  Void  addWeightUni( TComYuv* pcYuvSrc0, UInt iPartUnitIdx, UInt iWidth, UInt iHeight, wpScalingParam *wp0, TComYuv* rpcYuvDst );
65
66  Void  xWeightedPredictionUni( TComDataCU* pcCU, TComYuv* pcYuvSrc, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Int iPartIdx, Int iRefIdx=-1 );
67  Void  xWeightedPredictionBi( TComDataCU* pcCU, TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, Int iRefIdx0, Int iRefIdx1, UInt uiPartIdx, Int iWidth, Int iHeight, TComYuv* rpcYuvDst );
68
69  __inline  Pel   xClip  ( Int x );
70  __inline  Pel   weightBidir( Int w0, Pel P0, Int w1, Pel P1, Int round, Int shift, Int offset);
71  __inline  Pel   weightUnidir( Int w0, Pel P0, Int round, Int shift, Int offset);
72
73};
74
75inline  Pel TComWeightPrediction::xClip( Int x )
76{ 
77  Int max = (Int)g_uiIBDI_MAX;
78  Pel pel = (Pel)( (x < 0) ? 0 : (x > max) ? max : x );
79  return( pel );
80}
81
82inline  Pel TComWeightPrediction::weightBidir( Int w0, Pel P0, Int w1, Pel P1, Int round, Int shift, Int offset)
83{
84  return xClip( ( (w0*(P0 + IF_INTERNAL_OFFS) + w1*(P1 + IF_INTERNAL_OFFS) + round + (offset << (shift-1))) >> shift ) );
85}
86inline  Pel TComWeightPrediction::weightUnidir( Int w0, Pel P0, Int round, Int shift, Int offset) 
87{
88  return xClip( ( (w0*(P0 + IF_INTERNAL_OFFS) + round) >> shift ) + offset );
89}
90
91#endif
Note: See TracBrowser for help on using the repository browser.