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source: SHVCSoftware/branches/SHM-2.1-dev/source/Lib/TLibCommon/TComTrQuant.h @ 193

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Last change on this file since 193 was 191, checked in by seregin, 12 years ago
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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 setLambda(Double dLambdaLuma, Double dLambdaChroma) { m_dLambdaLuma = dLambdaLuma; m_dLambdaChroma = dLambdaChroma; }
153	Void selectLambda(TextType eTType) { m_dLambda = (eTType == TEXT_LUMA) ? m_dLambdaLuma : m_dLambdaChroma; }
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_dLambdaLuma;
210	Double m_dLambdaChroma;
211	#endif
212	Double m_dLambda;
213	UInt m_uiRDOQOffset;
214	UInt m_uiMaxTrSize;
215	Bool m_bEnc;
216	Bool m_useRDOQ;
217	Bool m_useRDOQTS;
218	#if ADAPTIVE_QP_SELECTION
219	Bool m_bUseAdaptQpSelect;
220	#endif
221	Bool m_useTransformSkipFast;
222	Bool m_scalingListEnabledFlag;
223	Int *m_quantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
224	Int *m_dequantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of dequantization matrix coefficient 4x4
225	Double *m_errScale [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4
226	private:
227	// forward Transform
228	Void xT (Int bitDepth, UInt uiMode,Pel* pResidual, UInt uiStride, Int* plCoeff, Int iWidth, Int iHeight );
229
230	// skipping Transform
231	Void xTransformSkip (Int bitDepth, Pel* piBlkResi, UInt uiStride, Int* psCoeff, Int width, Int height );
232
233	Void signBitHidingHDQ( TCoeff* pQCoef, TCoeff* pCoef, UInt const scan, Int deltaU, Int width, Int height );
234
235	// quantization
236	Void xQuant( TComDataCU* pcCU,
237	Int* pSrc,
238	TCoeff* pDes,
239	#if ADAPTIVE_QP_SELECTION
240	Int*& pArlDes,
241	#endif
242	Int iWidth,
243	Int iHeight,
244	UInt& uiAcSum,
245	TextType eTType,
246	UInt uiAbsPartIdx );
247
248	// RDOQ functions
249
250	Void xRateDistOptQuant ( TComDataCU* pcCU,
251	Int* plSrcCoeff,
252	TCoeff* piDstCoeff,
253	#if ADAPTIVE_QP_SELECTION
254	Int*& piArlDstCoeff,
255	#endif
256	UInt uiWidth,
257	UInt uiHeight,
258	UInt& uiAbsSum,
259	TextType eTType,
260	UInt uiAbsPartIdx );
261	__inline UInt xGetCodedLevel ( Double& rd64CodedCost,
262	Double& rd64CodedCost0,
263	Double& rd64CodedCostSig,
264	Int lLevelDouble,
265	UInt uiMaxAbsLevel,
266	UShort ui16CtxNumSig,
267	UShort ui16CtxNumOne,
268	UShort ui16CtxNumAbs,
269	UShort ui16AbsGoRice,
270	UInt c1Idx,
271	UInt c2Idx,
272	Int iQBits,
273	Double dTemp,
274	Bool bLast ) const;
275	__inline Double xGetICRateCost ( UInt uiAbsLevel,
276	UShort ui16CtxNumOne,
277	UShort ui16CtxNumAbs,
278	UShort ui16AbsGoRice
279	, UInt c1Idx,
280	UInt c2Idx
281	) const;
282	__inline Int xGetICRate ( UInt uiAbsLevel,
283	UShort ui16CtxNumOne,
284	UShort ui16CtxNumAbs,
285	UShort ui16AbsGoRice
286	, UInt c1Idx,
287	UInt c2Idx
288	) const;
289	__inline Double xGetRateLast ( const UInt uiPosX,
290	const UInt uiPosY ) const;
291	__inline Double xGetRateSigCoeffGroup ( UShort uiSignificanceCoeffGroup,
292	UShort ui16CtxNumSig ) const;
293	__inline Double xGetRateSigCoef ( UShort uiSignificance,
294	UShort ui16CtxNumSig ) const;
295	__inline Double xGetICost ( Double dRate ) const;
296	__inline Double xGetIEPRate ( ) const;
297
298
299	// dequantization
300	Void xDeQuant(Int bitDepth, const TCoeff* pSrc, Int* pDes, Int iWidth, Int iHeight, Int scalingListType );
301
302	// inverse transform
303	Void xIT (Int bitDepth, UInt uiMode, Int* plCoef, Pel* pResidual, UInt uiStride, Int iWidth, Int iHeight );
304
305	// inverse skipping transform
306	Void xITransformSkip (Int bitDepth, Int* plCoef, Pel* pResidual, UInt uiStride, Int width, Int height );
307	};// END CLASS DEFINITION TComTrQuant
308
309	//! \}
310
311	#endif // __TCOMTRQUANT__

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