source: 3DVCSoftware/branches/HTM-8.2-dev0-MediaTek/source/Lib/TLibCommon/TComWedgelet.h @ 630

Last change on this file since 630 was 622, checked in by tech, 11 years ago

Merged 8.0-dev0@621 (MV-HEVC 5 HLS).

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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) 2010-2011, 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 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
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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
35
36#ifndef __TCOMWEDGELET__
37#define __TCOMWEDGELET__
38
39// Include files
40#include <assert.h>
41#include "CommonDef.h"
42
43#include <vector>
44
45#if H_3D_DIM
46#define DIM_OFFSET     (NUM_INTRA_MODE+1) // offset for DMM and RBC mode numbers (PM: not consistent with spec, but non-overlapping with chroma, see DM_CHROMA_IDX)
47#define DIM_MIN_SIZE                   4  // min. block size for DMM and RBC modes
48#define DIM_MAX_SIZE                  32  // max. block size for DMM and RBC modes
49
50enum DIM_IDX
51{
52#if SEC_DMM2_E0146_HHIFIX
53  DMM1_IDX = 0,
54  DMM3_IDX = 1,
55  DMM4_IDX = 2,
56  RBC_IDX  = 3
57#else
58  DMM1_IDX = 0,
59  DMM2_IDX = 3,
60  DMM3_IDX = 1,
61  DMM4_IDX = 2,
62  RBC_IDX  = 4
63#endif
64};
65#if SEC_DMM2_E0146_HHIFIX
66#define DMM_NUM_TYPE   3
67#else
68#define DMM_NUM_TYPE   4
69#endif
70#define RBC_NUM_TYPE   1
71#define DIM_NUM_TYPE   (DMM_NUM_TYPE+RBC_NUM_TYPE)
72#define DIM_NO_IDX     MAX_UINT
73
74__inline UInt getDimType  ( Int intraMode ) { Int dimType = (intraMode-DIM_OFFSET)/2; return (dimType >= 0 && dimType < DIM_NUM_TYPE) ? (UInt)dimType : DIM_NO_IDX; }
75__inline Bool isDimMode   ( Int intraMode ) { return (getDimType( intraMode ) < DIM_NUM_TYPE); }
76__inline Bool isDimDeltaDC( Int intraMode ) { return (isDimMode( intraMode ) && ((intraMode-DIM_OFFSET)%2) == 1); }
77#endif
78
79#if H_3D_DIM_RBC
80#define RBC_THRESHOLD              20
81#define RBC_MAX_EDGE_NUM_PER_4x4   8
82#define RBC_MAX_DISTANCE           255
83#endif
84
85#if H_3D_DIM_DMM
86#define DMM_NO_WEDGEINDEX       MAX_UINT
87#define DMM_NUM_WEDGE_REFINES   8
88#if !SEC_DMM2_E0146_HHIFIX
89#define DMM2_DELTAEND_MAX       4
90#endif
91#define DMM3_SIMPLIFY_TR        1
92
93enum WedgeResolution
94{
95  DOUBLE_PEL,
96  FULL_PEL,
97  HALF_PEL
98};
99
100
101// ====================================================================================================================
102// Class definition TComWedgelet
103// ====================================================================================================================
104class TComWedgelet
105{
106private:
107  UChar           m_uhXs;                       // line start X pos
108  UChar           m_uhYs;                       // line start Y pos
109  UChar           m_uhXe;                       // line end   X pos
110  UChar           m_uhYe;                       // line end   Y pos
111  UChar           m_uhOri;                      // orientation index
112  WedgeResolution m_eWedgeRes;                  // start/end pos resolution
113  Bool            m_bIsCoarse; 
114  UInt            m_uiAng;
115
116  UInt  m_uiWidth;
117  UInt  m_uiHeight;
118
119  Bool* m_pbPattern;
120
121  Void  xGenerateWedgePattern();
122  Void  xDrawEdgeLine( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, Bool* pbPattern, Int iPatternStride );
123
124public:
125  TComWedgelet( UInt uiWidth, UInt uiHeight );
126  TComWedgelet( const TComWedgelet &rcWedge );
127  virtual ~TComWedgelet();
128
129  Void  create ( UInt iWidth, UInt iHeight );   ///< create  wedgelet pattern
130  Void  destroy();                              ///< destroy wedgelet pattern
131  Void  clear  ();                              ///< clear   wedgelet pattern
132
133  UInt            getWidth   () { return m_uiWidth; }
134  UInt            getStride  () { return m_uiWidth; }
135  UInt            getHeight  () { return m_uiHeight; }
136  WedgeResolution getWedgeRes() { return m_eWedgeRes; }
137  Bool*           getPattern () { return m_pbPattern; }
138  UChar           getStartX  () { return m_uhXs; }
139  UChar           getStartY  () { return m_uhYs; }
140  UChar           getEndX    () { return m_uhXe; }
141  UChar           getEndY    () { return m_uhYe; }
142  UChar           getOri     () { return m_uhOri; }
143  Bool            getIsCoarse() { return m_bIsCoarse; }
144  UInt            getAng     () { return m_uiAng; }
145
146  Void  setWedgelet( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, UChar uhOri, WedgeResolution eWedgeRes, Bool bIsCoarse = false );
147  Void  findClosestAngle();
148
149  Bool  checkNotPlain();
150  Bool  checkIdentical( Bool* pbRefPattern );
151  Bool  checkInvIdentical( Bool* pbRefPattern );
152
153#if !SEC_DMM2_E0146_HHIFIX
154  // functions for DMM2 prediction
155  Bool  checkPredDirAbovePossible( UInt uiPredDirBlockSize, UInt uiPredDirBlockOffsett );
156  Bool  checkPredDirLeftPossible ( UInt uiPredDirBlockSize, UInt uiPredDirBlockOffsett );
157  Void  getPredDirStartEndAbove( UChar& ruhXs, UChar& ruhYs, UChar& ruhXe, UChar& ruhYe, UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset, Int iDeltaEnd );
158  Void  getPredDirStartEndLeft ( UChar& ruhXs, UChar& ruhYs, UChar& ruhXe, UChar& ruhYe, UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset, Int iDeltaEnd );
159#endif
160};  // END CLASS DEFINITION TComWedgelet
161
162// type definition wedgelet pattern list
163typedef std::vector<TComWedgelet> WedgeList;
164
165// ====================================================================================================================
166// Class definition TComWedgeRef
167// ====================================================================================================================
168class TComWedgeRef
169{
170private:
171  UChar           m_uhXs;                       // line start X pos
172  UChar           m_uhYs;                       // line start Y pos
173  UChar           m_uhXe;                       // line end   X pos
174  UChar           m_uhYe;                       // line end   Y pos
175  UInt            m_uiRefIdx;                   // index of corresponding pattern of TComWedgelet object in wedge list
176
177public:
178  TComWedgeRef() {}
179  virtual ~TComWedgeRef() {}
180
181  UChar           getStartX  () { return m_uhXs; }
182  UChar           getStartY  () { return m_uhYs; }
183  UChar           getEndX    () { return m_uhXe; }
184  UChar           getEndY    () { return m_uhYe; }
185  UInt            getRefIdx  () { return m_uiRefIdx; }
186
187  Void  setWedgeRef( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, UInt uiRefIdx ) { m_uhXs = uhXs; m_uhYs = uhYs; m_uhXe = uhXe; m_uhYe = uhYe; m_uiRefIdx = uiRefIdx; }
188};  // END CLASS DEFINITION TComWedgeRef
189
190// type definition wedgelet reference list
191typedef std::vector<TComWedgeRef> WedgeRefList;
192
193// ====================================================================================================================
194// Class definition TComWedgeNode
195// ====================================================================================================================
196class TComWedgeNode
197{
198private:
199  UInt            m_uiPatternIdx;
200  UInt            m_uiRefineIdx[DMM_NUM_WEDGE_REFINES];
201
202public:
203  TComWedgeNode();
204  virtual ~TComWedgeNode() {}
205
206  UInt            getPatternIdx();
207  UInt            getRefineIdx ( UInt uiPos );
208
209  Void            setPatternIdx( UInt uiIdx );
210  Void            setRefineIdx ( UInt uiIdx, UInt uiPos );
211};  // END CLASS DEFINITION TComWedgeNode
212
213// type definition wedgelet node list
214typedef std::vector<TComWedgeNode> WedgeNodeList;
215#endif //H_3D_DIM_DMM
216
217
218// ====================================================================================================================
219// Function definition roftoi (mathematically correct rounding of float to int)
220// ====================================================================================================================
221__inline Int roftoi( Double value )
222{
223  (value < -0.5) ? (value -= 0.5) : (value += 0.5);
224  return ( (Int)value );
225}
226#endif // __TCOMWEDGELET__
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