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source: SHVCSoftware/branches/SHM-1.0-dev/source/Lib/TLibCommon/TComTrQuant.h @ 1510

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Last change on this file since 1510 was 2, checked in by seregin, 12 years ago
Initial import by Vadim Seregin <vseregin@…>
File size: 15.0 KB

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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) 2010-2012, 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 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	Int scanZigzag[2]; ///< flag for zigzag scan
71	Int scanNonZigzag[2]; ///< flag for non zigzag scan
72	} estBitsSbacStruct;
73
74	// ====================================================================================================================
75	// Class definition
76	// ====================================================================================================================
77
78	/// QP class
79	class QpParam
80	{
81	public:
82	QpParam();
83
84	Int m_iQP;
85	Int m_iPer;
86	Int m_iRem;
87
88	public:
89	Int m_iBits;
90
91	Void setQpParam( Int qpScaled )
92	{
93	m_iQP = qpScaled;
94	m_iPer = qpScaled / 6;
95	m_iRem = qpScaled % 6;
96	m_iBits = QP_BITS + m_iPer;
97	}
98
99	Void clear()
100	{
101	m_iQP = 0;
102	m_iPer = 0;
103	m_iRem = 0;
104	m_iBits = 0;
105	}
106
107
108	Int per() const { return m_iPer; }
109	Int rem() const { return m_iRem; }
110	Int bits() const { return m_iBits; }
111
112	Int qp() {return m_iQP;}
113	}; // END CLASS DEFINITION QpParam
114
115	/// transform and quantization class
116	class TComTrQuant
117	{
118	public:
119	TComTrQuant();
120	~TComTrQuant();
121
122	// initialize class
123	Void init ( UInt uiMaxWidth, UInt uiMaxHeight, UInt uiMaxTrSize, Int iSymbolMode = 0, UInt aTable4 = NULL, UInt aTable8 = NULL, UInt *aTableLastPosVlcIndex=NULL, Bool bUseRDOQ = false, 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	#if REMOVAL_8x2_2x8_CG
166	UInt scanIdx,
167	#endif
168	Int posX,
169	Int posY,
170	Int blockType,
171	Int width
172	,Int height
173	,TextType textureType
174	);
175	static UInt getSigCoeffGroupCtxInc ( const UInt* uiSigCoeffGroupFlag,
176	const UInt uiCGPosX,
177	const UInt uiCGPosY,
178	const UInt scanIdx,
179	Int width, Int height);
180	Void initScalingList ();
181	Void destroyScalingList ();
182	Void setErrScaleCoeff ( UInt list, UInt size, UInt qp, UInt dir);
183	double* getErrScaleCoeff ( UInt list, UInt size, UInt qp, UInt dir) {return m_errScale[size][list][qp][dir];}; //!< get Error Scale Coefficent
184	Int* getQuantCoeff ( UInt list, UInt qp, UInt size, UInt dir) {return m_quantCoef[size][list][qp][dir];}; //!< get Quant Coefficent
185	Int* getDequantCoeff ( UInt list, UInt qp, UInt size, UInt dir) {return m_dequantCoef[size][list][qp][dir];}; //!< get DeQuant Coefficent
186	Void setUseScalingList ( Bool bUseScalingList){ m_scalingListEnabledFlag = bUseScalingList; };
187	Bool getUseScalingList (){ return m_scalingListEnabledFlag; };
188	Void setFlatScalingList ();
189	Void xsetFlatScalingList ( UInt list, UInt size, UInt qp);
190	Void xSetScalingListEnc ( TComScalingList *scalingList, UInt list, UInt size, UInt qp);
191	Void xSetScalingListDec ( TComScalingList *scalingList, UInt list, UInt size, UInt qp);
192	Void setScalingList ( TComScalingList *scalingList);
193	Void setScalingListDec ( TComScalingList *scalingList);
194	Void processScalingListEnc( Int coeff, Int quantcoeff, Int quantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc);
195	Void processScalingListDec( Int coeff, Int dequantcoeff, Int invQuantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc);
196	#if ADAPTIVE_QP_SELECTION
197	Void initSliceQpDelta() ;
198	Void storeSliceQpNext(TComSlice* pcSlice);
199	Void clearSliceARLCnt();
200	Int getQpDelta(Int qp) { return m_qpDelta[qp]; }
201	Int* getSliceNSamples(){ return m_sliceNsamples ;}
202	Double* getSliceSumC() { return m_sliceSumC; }
203	#endif
204	protected:
205	#if ADAPTIVE_QP_SELECTION
206	Int m_qpDelta[MAX_QP+1];
207	Int m_sliceNsamples[LEVEL_RANGE+1];
208	Double m_sliceSumC[LEVEL_RANGE+1] ;
209	#endif
210	Int* m_plTempCoeff;
211
212	QpParam m_cQP;
213	#if RDOQ_CHROMA_LAMBDA
214	Double m_dLambdaLuma;
215	Double m_dLambdaChroma;
216	#endif
217	Double m_dLambda;
218	UInt m_uiRDOQOffset;
219	UInt m_uiMaxTrSize;
220	Bool m_bEnc;
221	Bool m_bUseRDOQ;
222	#if ADAPTIVE_QP_SELECTION
223	Bool m_bUseAdaptQpSelect;
224	#endif
225	Bool m_useTransformSkipFast;
226	Bool m_scalingListEnabledFlag;
227	Int *m_quantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM][SCALING_LIST_DIR_NUM]; ///< array of quantization matrix coefficient 4x4
228	Int *m_dequantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM][SCALING_LIST_DIR_NUM]; ///< array of dequantization matrix coefficient 4x4
229	double *m_errScale [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM][SCALING_LIST_DIR_NUM]; ///< array of quantization matrix coefficient 4x4
230	private:
231	// forward Transform
232	Void xT ( UInt uiMode,Pel* pResidual, UInt uiStride, Int* plCoeff, Int iWidth, Int iHeight );
233
234	// skipping Transform
235	Void xTransformSkip ( Pel* piBlkResi, UInt uiStride, Int* psCoeff, Int width, Int height );
236
237	Void signBitHidingHDQ( TComDataCU* pcCU, TCoeff* pQCoef, TCoeff* pCoef, UInt const scan, Int deltaU, Int width, Int height );
238
239	// quantization
240	Void xQuant( TComDataCU* pcCU,
241	Int* pSrc,
242	TCoeff* pDes,
243	#if ADAPTIVE_QP_SELECTION
244	Int*& pArlDes,
245	#endif
246	Int iWidth,
247	Int iHeight,
248	UInt& uiAcSum,
249	TextType eTType,
250	UInt uiAbsPartIdx );
251
252	// RDOQ functions
253
254	Void xRateDistOptQuant ( TComDataCU* pcCU,
255	Int* plSrcCoeff,
256	TCoeff* piDstCoeff,
257	#if ADAPTIVE_QP_SELECTION
258	Int*& piArlDstCoeff,
259	#endif
260	UInt uiWidth,
261	UInt uiHeight,
262	UInt& uiAbsSum,
263	TextType eTType,
264	UInt uiAbsPartIdx );
265	__inline UInt xGetCodedLevel ( Double& rd64CodedCost,
266	Double& rd64CodedCost0,
267	Double& rd64CodedCostSig,
268	Int lLevelDouble,
269	UInt uiMaxAbsLevel,
270	UShort ui16CtxNumSig,
271	UShort ui16CtxNumOne,
272	UShort ui16CtxNumAbs,
273	UShort ui16AbsGoRice,
274	UInt c1Idx,
275	UInt c2Idx,
276	Int iQBits,
277	Double dTemp,
278	Bool bLast ) const;
279	__inline Double xGetICRateCost ( UInt uiAbsLevel,
280	UShort ui16CtxNumOne,
281	UShort ui16CtxNumAbs,
282	UShort ui16AbsGoRice
283	, UInt c1Idx,
284	UInt c2Idx
285	) const;
286	__inline Int xGetICRate ( UInt uiAbsLevel,
287	UShort ui16CtxNumOne,
288	UShort ui16CtxNumAbs,
289	UShort ui16AbsGoRice
290	, UInt c1Idx,
291	UInt c2Idx
292	) const;
293	__inline Double xGetRateLast ( const UInt uiPosX,
294	const UInt uiPosY,
295	const UInt uiBlkWdth ) const;
296	__inline Double xGetRateSigCoeffGroup ( UShort uiSignificanceCoeffGroup,
297	UShort ui16CtxNumSig ) const;
298	__inline Double xGetRateSigCoef ( UShort uiSignificance,
299	UShort ui16CtxNumSig ) const;
300	__inline Double xGetICost ( Double dRate ) const;
301	__inline Double xGetIEPRate ( ) const;
302
303
304	// dequantization
305	Void xDeQuant( const TCoeff* pSrc, Int* pDes, Int iWidth, Int iHeight, Int scalingListType );
306
307	// inverse transform
308	Void xIT ( UInt uiMode, Int* plCoef, Pel* pResidual, UInt uiStride, Int iWidth, Int iHeight );
309
310	// inverse skipping transform
311	Void xITransformSkip ( Int* plCoef, Pel* pResidual, UInt uiStride, Int width, Int height );
312	};// END CLASS DEFINITION TComTrQuant
313
314	//! \}
315
316	#endif // __TCOMTRQUANT__

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