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source: SHVCSoftware/trunk/source/Lib/TLibCommon/TComTrQuant.h @ 548

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Last change on this file since 548 was 540, checked in by seregin, 11 years ago
merge SHM-4.1-dev branch
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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.
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 TComTrQuant.h
35	\brief transform and quantization class (header)
36	*/
37
38	#ifndef __TCOMTRQUANT__
39	#define __TCOMTRQUANT__
40
41	#include "CommonDef.h"
42	#include "TComYuv.h"
43	#include "TComDataCU.h"
44	#include "ContextTables.h"
45
46	//! \ingroup TLibCommon
47	//! \{
48
49	// ====================================================================================================================
50	// Constants
51	// ====================================================================================================================
52
53	#define QP_BITS 15
54
55	// ====================================================================================================================
56	// Type definition
57	// ====================================================================================================================
58
59	typedef struct
60	{
61	Int significantCoeffGroupBits[NUM_SIG_CG_FLAG_CTX][2];
62	Int significantBits[NUM_SIG_FLAG_CTX][2];
63	Int lastXBits[32];
64	Int lastYBits[32];
65	Int m_greaterOneBits[NUM_ONE_FLAG_CTX][2];
66	Int m_levelAbsBits[NUM_ABS_FLAG_CTX][2];
67
68	Int blockCbpBits[3*NUM_QT_CBF_CTX][2];
69	Int blockRootCbpBits[4][2];
70	} estBitsSbacStruct;
71
72	// ====================================================================================================================
73	// Class definition
74	// ====================================================================================================================
75
76	/// QP class
77	class QpParam
78	{
79	public:
80	QpParam();
81
82	Int m_iQP;
83	Int m_iPer;
84	Int m_iRem;
85
86	public:
87	Int m_iBits;
88
89	Void setQpParam( Int qpScaled )
90	{
91	m_iQP = qpScaled;
92	m_iPer = qpScaled / 6;
93	m_iRem = qpScaled % 6;
94	m_iBits = QP_BITS + m_iPer;
95	}
96
97	Void clear()
98	{
99	m_iQP = 0;
100	m_iPer = 0;
101	m_iRem = 0;
102	m_iBits = 0;
103	}
104
105
106	Int per() const { return m_iPer; }
107	Int rem() const { return m_iRem; }
108	Int bits() const { return m_iBits; }
109
110	Int qp() {return m_iQP;}
111	}; // END CLASS DEFINITION QpParam
112
113	/// transform and quantization class
114	class TComTrQuant
115	{
116	public:
117	TComTrQuant();
118	~TComTrQuant();
119
120	// initialize class
121	Void init ( UInt uiMaxTrSize, Bool useRDOQ = false,
122	Bool useRDOQTS = false,
123	Bool bEnc = false, Bool useTransformSkipFast = false
124	#if ADAPTIVE_QP_SELECTION
125	, Bool bUseAdaptQpSelect = false
126	#endif
127	);
128
129	// transform & inverse transform functions
130	Void transformNxN( TComDataCU* pcCU,
131	Pel* pcResidual,
132	UInt uiStride,
133	TCoeff* rpcCoeff,
134	#if ADAPTIVE_QP_SELECTION
135	Int*& rpcArlCoeff,
136	#endif
137	UInt uiWidth,
138	UInt uiHeight,
139	UInt& uiAbsSum,
140	TextType eTType,
141	UInt uiAbsPartIdx,
142	Bool useTransformSkip = false );
143
144	Void invtransformNxN( Bool transQuantBypass, TextType eText, UInt uiMode,Pel* rpcResidual, UInt uiStride, TCoeff* pcCoeff, UInt uiWidth, UInt uiHeight, Int scalingListType, Bool useTransformSkip = false );
145	Void invRecurTransformNxN ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eTxt, Pel* rpcResidual, UInt uiAddr, UInt uiStride, UInt uiWidth, UInt uiHeight,
146	UInt uiMaxTrMode, UInt uiTrMode, TCoeff* rpcCoeff );
147
148	// Misc functions
149	Void setQPforQuant( Int qpy, TextType eTxtType, Int qpBdOffset, Int chromaQPOffset);
150
151	#if RDOQ_CHROMA_LAMBDA
152	Void setLambdas ( const Double lambdas[3] ) { for (Int component = 0; component < 3; component++) m_lambdas[component] = lambdas[component]; }
153	Void selectLambda(TextType eTType) { m_dLambda = (eTType == TEXT_LUMA) ? m_lambdas[0] : ((eTType == TEXT_CHROMA_U) ? m_lambdas[1] : m_lambdas[2]); }
154	#else
155	Void setLambda(Double dLambda) { m_dLambda = dLambda;}
156	#endif
157	Void setRDOQOffset( UInt uiRDOQOffset ) { m_uiRDOQOffset = uiRDOQOffset; }
158
159	estBitsSbacStruct* m_pcEstBitsSbac;
160
161	static Int calcPatternSigCtx( const UInt* sigCoeffGroupFlag, UInt posXCG, UInt posYCG, Int width, Int height );
162
163	static Int getSigCtxInc (
164	Int patternSigCtx,
165	UInt scanIdx,
166	Int posX,
167	Int posY,
168	Int log2BlkSize,
169	TextType textureType
170	);
171	static UInt getSigCoeffGroupCtxInc ( const UInt* uiSigCoeffGroupFlag,
172	const UInt uiCGPosX,
173	const UInt uiCGPosY,
174	Int width, Int height);
175	Void initScalingList ();
176	Void destroyScalingList ();
177	Void setErrScaleCoeff ( UInt list, UInt size, UInt qp);
178	Double* getErrScaleCoeff ( UInt list, UInt size, UInt qp) {return m_errScale[size][list][qp];}; //!< get Error Scale Coefficent
179	Int* getQuantCoeff ( UInt list, UInt qp, UInt size) {return m_quantCoef[size][list][qp];}; //!< get Quant Coefficent
180	Int* getDequantCoeff ( UInt list, UInt qp, UInt size) {return m_dequantCoef[size][list][qp];}; //!< get DeQuant Coefficent
181	Void setUseScalingList ( Bool bUseScalingList){ m_scalingListEnabledFlag = bUseScalingList; };
182	Bool getUseScalingList (){ return m_scalingListEnabledFlag; };
183	Void setFlatScalingList ();
184	Void xsetFlatScalingList ( UInt list, UInt size, UInt qp);
185	Void xSetScalingListEnc ( TComScalingList *scalingList, UInt list, UInt size, UInt qp);
186	Void xSetScalingListDec ( TComScalingList *scalingList, UInt list, UInt size, UInt qp);
187	Void setScalingList ( TComScalingList *scalingList);
188	Void setScalingListDec ( TComScalingList *scalingList);
189	Void processScalingListEnc( Int coeff, Int quantcoeff, Int quantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc);
190	Void processScalingListDec( Int coeff, Int dequantcoeff, Int invQuantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc);
191	#if ADAPTIVE_QP_SELECTION
192	Void initSliceQpDelta() ;
193	Void storeSliceQpNext(TComSlice* pcSlice);
194	Void clearSliceARLCnt();
195	Int getQpDelta(Int qp) { return m_qpDelta[qp]; }
196	Int* getSliceNSamples(){ return m_sliceNsamples ;}
197	Double* getSliceSumC() { return m_sliceSumC; }
198	#endif
199	protected:
200	#if ADAPTIVE_QP_SELECTION
201	Int m_qpDelta[MAX_QP+1];
202	Int m_sliceNsamples[LEVEL_RANGE+1];
203	Double m_sliceSumC[LEVEL_RANGE+1] ;
204	#endif
205	Int* m_plTempCoeff;
206
207	QpParam m_cQP;
208	#if RDOQ_CHROMA_LAMBDA
209	Double m_lambdas[3];
210	#endif
211	Double m_dLambda;
212	UInt m_uiRDOQOffset;
213	UInt m_uiMaxTrSize;
214	Bool m_bEnc;
215	Bool m_useRDOQ;
216	Bool m_useRDOQTS;
217	#if ADAPTIVE_QP_SELECTION
218	Bool m_bUseAdaptQpSelect;
219	#endif
220	Bool m_useTransformSkipFast;
221	Bool m_scalingListEnabledFlag;
222	Int *m_quantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
223	Int *m_dequantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of dequantization matrix coefficient 4x4
224	Double *m_errScale [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
225	private:
226	// forward Transform
227	Void xT (Int bitDepth, UInt uiMode,Pel* pResidual, UInt uiStride, Int* plCoeff, Int iWidth, Int iHeight );
228
229	// skipping Transform
230	Void xTransformSkip (Int bitDepth, Pel* piBlkResi, UInt uiStride, Int* psCoeff, Int width, Int height );
231
232	Void signBitHidingHDQ( TCoeff* pQCoef, TCoeff* pCoef, UInt const scan, Int deltaU, Int width, Int height );
233
234	// quantization
235	Void xQuant( TComDataCU* pcCU,
236	Int* pSrc,
237	TCoeff* pDes,
238	#if ADAPTIVE_QP_SELECTION
239	Int*& pArlDes,
240	#endif
241	Int iWidth,
242	Int iHeight,
243	UInt& uiAcSum,
244	TextType eTType,
245	UInt uiAbsPartIdx );
246
247	// RDOQ functions
248
249	Void xRateDistOptQuant ( TComDataCU* pcCU,
250	Int* plSrcCoeff,
251	TCoeff* piDstCoeff,
252	#if ADAPTIVE_QP_SELECTION
253	Int*& piArlDstCoeff,
254	#endif
255	UInt uiWidth,
256	UInt uiHeight,
257	UInt& uiAbsSum,
258	TextType eTType,
259	UInt uiAbsPartIdx );
260	__inline UInt xGetCodedLevel ( Double& rd64CodedCost,
261	Double& rd64CodedCost0,
262	Double& rd64CodedCostSig,
263	Int lLevelDouble,
264	UInt uiMaxAbsLevel,
265	UShort ui16CtxNumSig,
266	UShort ui16CtxNumOne,
267	UShort ui16CtxNumAbs,
268	UShort ui16AbsGoRice,
269	UInt c1Idx,
270	UInt c2Idx,
271	Int iQBits,
272	Double dTemp,
273	Bool bLast ) const;
274	__inline Int xGetICRate ( UInt uiAbsLevel,
275	UShort ui16CtxNumOne,
276	UShort ui16CtxNumAbs,
277	UShort ui16AbsGoRice
278	, UInt c1Idx,
279	UInt c2Idx
280	) const;
281	__inline Double xGetRateLast ( const UInt uiPosX,
282	const UInt uiPosY ) const;
283	__inline Double xGetRateSigCoeffGroup ( UShort uiSignificanceCoeffGroup,
284	UShort ui16CtxNumSig ) const;
285	__inline Double xGetRateSigCoef ( UShort uiSignificance,
286	UShort ui16CtxNumSig ) const;
287	__inline Double xGetICost ( Double dRate ) const;
288	__inline Double xGetIEPRate ( ) const;
289
290
291	// dequantization
292	Void xDeQuant(Int bitDepth, const TCoeff* pSrc, Int* pDes, Int iWidth, Int iHeight, Int scalingListType );
293
294	// inverse transform
295	Void xIT (Int bitDepth, UInt uiMode, Int* plCoef, Pel* pResidual, UInt uiStride, Int iWidth, Int iHeight );
296
297	// inverse skipping transform
298	Void xITransformSkip (Int bitDepth, Int* plCoef, Pel* pResidual, UInt uiStride, Int width, Int height );
299	};// END CLASS DEFINITION TComTrQuant
300
301	//! \}
302
303	#endif // __TCOMTRQUANT__

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