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source: SHVCSoftware/branches/SHM-1.0-dev/source/Lib/TLibEncoder/TEncSampleAdaptiveOffset.cpp @ 567

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Last change on this file since 567 was 2, checked in by seregin, 12 years ago
Initial import by Vadim Seregin <vseregin@…>
File size: 93.1 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 TEncSampleAdaptiveOffset.cpp
35	\brief estimation part of sample adaptive offset class
36	*/
37	#include "TEncSampleAdaptiveOffset.h"
38	#include <string.h>
39	#include <stdlib.h>
40	#include <stdio.h>
41	#include <math.h>
42
43	//! \ingroup TLibEncoder
44	//! \{
45
46	TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset()
47	{
48	m_pcEntropyCoder = NULL;
49	m_pppcRDSbacCoder = NULL;
50	m_pcRDGoOnSbacCoder = NULL;
51	m_pppcBinCoderCABAC = NULL;
52	m_iCount = NULL;
53	m_iOffset = NULL;
54	m_iOffsetOrg = NULL;
55	m_iRate = NULL;
56	m_iDist = NULL;
57	m_dCost = NULL;
58	m_dCostPartBest = NULL;
59	m_iDistOrg = NULL;
60	m_iTypePartBest = NULL;
61	#if SAO_ENCODING_CHOICE_CHROMA
62	m_depthSaoRate[0][0] = 0;
63	m_depthSaoRate[0][1] = 0;
64	m_depthSaoRate[0][2] = 0;
65	m_depthSaoRate[0][3] = 0;
66	m_depthSaoRate[1][0] = 0;
67	m_depthSaoRate[1][1] = 0;
68	m_depthSaoRate[1][2] = 0;
69	m_depthSaoRate[1][3] = 0;
70	#endif
71	}
72	TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset()
73	{
74
75	}
76	// ====================================================================================================================
77	// Constants
78	// ====================================================================================================================
79
80
81	// ====================================================================================================================
82	// Tables
83	// ====================================================================================================================
84
85	inline Double xRoundIbdi2(Double x)
86	{
87	#if FULL_NBIT
88	Int bitDepthMinus8 = g_uiBitDepth - 8;
89	return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepthMinus8-1)))/(1<<bitDepthMinus8)) : ((Int)(((Int)(x)-(1<<(bitDepthMinus8-1)))/(1<<bitDepthMinus8)));
90	#else
91	return ((x)>0) ? (Int)(((Int)(x)+(1<<(g_uiBitIncrement-1)))/(1<<g_uiBitIncrement)) : ((Int)(((Int)(x)-(1<<(g_uiBitIncrement-1)))/(1<<g_uiBitIncrement)));
92	#endif
93	}
94
95	/** rounding with IBDI
96	* \param x
97	*/
98	inline Double xRoundIbdi(Double x)
99	{
100	#if FULL_NBIT
101	return (g_uiBitDepth > 8 ? xRoundIbdi2((x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ;
102	#else
103	return (g_uiBitIncrement >0 ? xRoundIbdi2((x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ;
104	#endif
105	}
106
107
108
109	/** process SAO for one partition
110	* \param *psQTPart, iPartIdx, dLambda
111	*/
112	#if PICTURE_SAO_RDO_FIX
113	Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda, Int yCbCr)
114	#else
115	Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda)
116	#endif
117	{
118	Int iTypeIdx;
119	Int iNumTotalType = MAX_NUM_SAO_TYPE;
120	SAOQTPart* pOnePart = &(psQTPart[iPartIdx]);
121
122	Int64 iEstDist;
123	Int iClassIdx;
124	Int uiShift = g_uiBitIncrement << 1;
125	UInt uiDepth = pOnePart->PartLevel;
126
127	m_iDistOrg [iPartIdx] = 0;
128
129	Double bestRDCostTableBo = MAX_DOUBLE;
130	Int bestClassTableBo = 0;
131	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
132	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
133
134	#if PICTURE_SAO_RDO_FIX
135	Int addr;
136	Int allowMergeLeft;
137	Int allowMergeUp;
138	Int frameWidthInCU = m_pcPic->getFrameWidthInCU();
139	SaoLcuParam saoLcuParamRdo;
140	#endif
141
142	for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++)
143	{
144	if( m_bUseSBACRD )
145	{
146	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
147	m_pcRDGoOnSbacCoder->resetBits();
148	}
149	else
150	{
151	m_pcEntropyCoder->resetEntropy();
152	m_pcEntropyCoder->resetBits();
153	}
154
155	iEstDist = 0;
156
157	#if PICTURE_SAO_RDO_FIX
158	if (iTypeIdx == -1)
159	{
160	for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++)
161	{
162	for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++)
163	{
164	addr = ry * frameWidthInCU + rx;
165
166	// get bits for iTypeIdx = -1
167	allowMergeLeft = 1;
168	allowMergeUp = 1;
169	if (rx != 0)
170	{
171	// check tile id and slice id
172	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
173	{
174	allowMergeLeft = 0;
175	}
176	}
177	if (ry!=0)
178	{
179	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
180	{
181	allowMergeUp = 0;
182	}
183	}
184
185	// reset
186	resetSaoUnit(&saoLcuParamRdo);
187
188	// set merge flag
189	saoLcuParamRdo.mergeUpFlag = 1;
190	saoLcuParamRdo.mergeLeftFlag = 1;
191
192	if (ry == pOnePart->StartCUY)
193	{
194	saoLcuParamRdo.mergeUpFlag = 0;
195	}
196
197	if (rx == pOnePart->StartCUX)
198	{
199	saoLcuParamRdo.mergeLeftFlag = 0;
200	}
201
202	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
203
204	}
205	}
206	}
207	#else
208	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoTypeIdx(iTypeIdx+1);
209	#endif
210
211	if (iTypeIdx>=0)
212	{
213	iEstDist = estSaoTypeDist(iPartIdx, iTypeIdx, uiShift, dLambda, currentDistortionTableBo, currentRdCostTableBo);
214	if( iTypeIdx == SAO_BO )
215	{
216	// Estimate Best Position
217	Double currentRDCost = 0.0;
218
219	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
220	{
221	currentRDCost = 0.0;
222	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
223	{
224	currentRDCost += currentRdCostTableBo[uj];
225	}
226
227	if( currentRDCost < bestRDCostTableBo)
228	{
229	bestRDCostTableBo = currentRDCost;
230	bestClassTableBo = i;
231	}
232	}
233
234	// Re code all Offsets
235	// Code Center
236	for(iClassIdx = bestClassTableBo; iClassIdx < bestClassTableBo+SAO_BO_LEN; iClassIdx++)
237	{
238	iEstDist += currentDistortionTableBo[iClassIdx];
239	}
240	}
241
242	#if PICTURE_SAO_RDO_FIX
243	for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++)
244	{
245	for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++)
246	{
247	addr = ry * frameWidthInCU + rx;
248
249	// get bits for iTypeIdx = -1
250	allowMergeLeft = 1;
251	allowMergeUp = 1;
252	if (rx != 0)
253	{
254	// check tile id and slice id
255	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
256	{
257	allowMergeLeft = 0;
258	}
259	}
260	if (ry!=0)
261	{
262	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
263	{
264	allowMergeUp = 0;
265	}
266	}
267
268	// reset
269	resetSaoUnit(&saoLcuParamRdo);
270
271	// set merge flag
272	saoLcuParamRdo.mergeUpFlag = 1;
273	saoLcuParamRdo.mergeLeftFlag = 1;
274
275	if (ry == pOnePart->StartCUY)
276	{
277	saoLcuParamRdo.mergeUpFlag = 0;
278	}
279
280	if (rx == pOnePart->StartCUX)
281	{
282	saoLcuParamRdo.mergeLeftFlag = 0;
283	}
284
285	// set type and offsets
286	saoLcuParamRdo.typeIdx = iTypeIdx;
287	#if SAO_TYPE_CODING
288	saoLcuParamRdo.subTypeIdx = (iTypeIdx==SAO_BO)?bestClassTableBo:0;
289	#else
290	saoLcuParamRdo.bandPosition = (iTypeIdx==SAO_BO)?bestClassTableBo:0;
291	#endif
292	saoLcuParamRdo.length = m_iNumClass[iTypeIdx];
293	for (iClassIdx = 0; iClassIdx < saoLcuParamRdo.length; iClassIdx++)
294	{
295	#if SAO_TYPE_CODING
296	saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.subTypeIdx+1];
297	#else
298	saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.bandPosition+1];
299	#endif
300	}
301
302	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
303
304	}
305	}
306	#else // #if PICTURE_SAO_RDO_FIX
307
308	SaoLcuParam saoLcuParamRdo;
309	resetSaoUnit(&saoLcuParamRdo);
310	saoLcuParamRdo.typeIdx = iTypeIdx;
311	#if SAO_TYPE_CODING
312	saoLcuParamRdo.subTypeIdx = (iTypeIdx==SAO_BO)?bestClassTableBo:0;
313	#else
314	saoLcuParamRdo.bandPosition = (iTypeIdx==SAO_BO)?bestClassTableBo:0;
315	#endif
316	saoLcuParamRdo.length = m_iNumClass[iTypeIdx];
317	for (iClassIdx = 0; iClassIdx < saoLcuParamRdo.length; iClassIdx++)
318	{
319	#if SAO_TYPE_CODING
320	saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.subTypeIdx+1];
321	#else
322	saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.bandPosition+1];
323	#endif
324	}
325	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
326	m_pcRDGoOnSbacCoder->resetBits();
327	#if SAO_TYPE_SHARING
328	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, iPartIdx);
329	#else
330	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo);
331	#endif
332	#endif // #if PICTURE_SAO_RDO_FIX
333
334	m_iDist[iPartIdx][iTypeIdx] = iEstDist;
335	m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits();
336
337	m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]);
338
339	if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx])
340	{
341	m_iDistOrg [iPartIdx] = 0;
342	m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx];
343	m_iTypePartBest[iPartIdx] = iTypeIdx;
344	if( m_bUseSBACRD )
345	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] );
346	}
347	}
348	else
349	{
350	if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] )
351	{
352	m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ;
353	m_iTypePartBest[iPartIdx] = -1;
354	if( m_bUseSBACRD )
355	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] );
356	}
357	}
358	}
359
360	pOnePart->bProcessed = true;
361	pOnePart->bSplit = false;
362	pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx];
363	pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0);
364	pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate;
365	pOnePart->iBestType = m_iTypePartBest[iPartIdx];
366	if (pOnePart->iBestType != -1)
367	{
368	// pOnePart->bEnableFlag = 1;
369	pOnePart->iLength = m_iNumClass[pOnePart->iBestType];
370	Int minIndex = 0;
371	if( pOnePart->iBestType == SAO_BO )
372	{
373	#if SAO_TYPE_CODING
374	pOnePart->subTypeIdx = bestClassTableBo;
375	minIndex = pOnePart->subTypeIdx;
376	#else
377	pOnePart->bandPosition = bestClassTableBo;
378	minIndex = pOnePart->bandPosition;
379	#endif
380	}
381	for (Int i=0; i< pOnePart->iLength ; i++)
382	{
383	pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][minIndex+i+1];
384	}
385
386	}
387	else
388	{
389	// pOnePart->bEnableFlag = 0;
390	pOnePart->iLength = 0;
391	}
392	}
393
394	/** Run partition tree disable
395	*/
396	Void TEncSampleAdaptiveOffset::disablePartTree(SAOQTPart *psQTPart, Int iPartIdx)
397	{
398	SAOQTPart* pOnePart= &(psQTPart[iPartIdx]);
399	pOnePart->bSplit = false;
400	pOnePart->iLength = 0;
401	pOnePart->iBestType = -1;
402
403	if (pOnePart->PartLevel < m_uiMaxSplitLevel)
404	{
405	for (Int i=0; i<NUM_DOWN_PART; i++)
406	{
407	disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]);
408	}
409	}
410	}
411
412	/** Run quadtree decision function
413	* \param iPartIdx, pcPicOrg, pcPicDec, pcPicRest, &dCostFinal
414	*/
415	#if PICTURE_SAO_RDO_FIX
416	Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda, Int yCbCr)
417	#else
418	Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda)
419	#endif
420	{
421	SAOQTPart* pOnePart = &(psQTPart[iPartIdx]);
422
423	UInt uiDepth = pOnePart->PartLevel;
424	UInt uhNextDepth = uiDepth+1;
425
426	if (iPartIdx == 0)
427	{
428	dCostFinal = 0;
429	}
430
431	//SAO for this part
432	if(!pOnePart->bProcessed)
433	{
434	#if PICTURE_SAO_RDO_FIX
435	rdoSaoOnePart (psQTPart, iPartIdx, dLambda, yCbCr);
436	#else
437	rdoSaoOnePart (psQTPart, iPartIdx, dLambda);
438	#endif
439	}
440
441	//SAO for sub 4 parts
442	if (pOnePart->PartLevel < iMaxLevel)
443	{
444	Double dCostNotSplit = dLambda + pOnePart->dMinCost;
445	Double dCostSplit = dLambda;
446
447	for (Int i=0; i< NUM_DOWN_PART ;i++)
448	{
449	if( m_bUseSBACRD )
450	{
451	if ( 0 == i) //initialize RD with previous depth buffer
452	{
453	m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
454	}
455	else
456	{
457	m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]);
458	}
459	}
460	#if PICTURE_SAO_RDO_FIX
461	runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda, yCbCr);
462	#else
463	runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda);
464	#endif
465	dCostSplit += dCostFinal;
466	if( m_bUseSBACRD )
467	{
468	m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_TEMP_BEST]);
469	}
470	}
471
472	if(dCostSplit < dCostNotSplit)
473	{
474	dCostFinal = dCostSplit;
475	pOnePart->bSplit = true;
476	pOnePart->iLength = 0;
477	pOnePart->iBestType = -1;
478	if( m_bUseSBACRD )
479	{
480	m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]);
481	}
482	}
483	else
484	{
485	dCostFinal = dCostNotSplit;
486	pOnePart->bSplit = false;
487	for (Int i=0; i<NUM_DOWN_PART; i++)
488	{
489	disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]);
490	}
491	if( m_bUseSBACRD )
492	{
493	m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_TEMP_BEST]);
494	}
495	}
496	}
497	else
498	{
499	dCostFinal = pOnePart->dMinCost;
500	}
501	}
502
503	/** delete allocated memory of TEncSampleAdaptiveOffset class.
504	*/
505	Void TEncSampleAdaptiveOffset::destroyEncBuffer()
506	{
507	for (Int i=0;i<m_iNumTotalParts;i++)
508	{
509	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
510	{
511	if (m_iCount [i][j])
512	{
513	delete [] m_iCount [i][j];
514	}
515	if (m_iOffset[i][j])
516	{
517	delete [] m_iOffset[i][j];
518	}
519	if (m_iOffsetOrg[i][j])
520	{
521	delete [] m_iOffsetOrg[i][j];
522	}
523	}
524	if (m_iRate[i])
525	{
526	delete [] m_iRate[i];
527	}
528	if (m_iDist[i])
529	{
530	delete [] m_iDist[i];
531	}
532	if (m_dCost[i])
533	{
534	delete [] m_dCost[i];
535	}
536	if (m_iCount [i])
537	{
538	delete [] m_iCount [i];
539	}
540	if (m_iOffset[i])
541	{
542	delete [] m_iOffset[i];
543	}
544	if (m_iOffsetOrg[i])
545	{
546	delete [] m_iOffsetOrg[i];
547	}
548
549	}
550	if (m_iDistOrg)
551	{
552	delete [] m_iDistOrg ; m_iDistOrg = NULL;
553	}
554	if (m_dCostPartBest)
555	{
556	delete [] m_dCostPartBest ; m_dCostPartBest = NULL;
557	}
558	if (m_iTypePartBest)
559	{
560	delete [] m_iTypePartBest ; m_iTypePartBest = NULL;
561	}
562	if (m_iRate)
563	{
564	delete [] m_iRate ; m_iRate = NULL;
565	}
566	if (m_iDist)
567	{
568	delete [] m_iDist ; m_iDist = NULL;
569	}
570	if (m_dCost)
571	{
572	delete [] m_dCost ; m_dCost = NULL;
573	}
574	if (m_iCount)
575	{
576	delete [] m_iCount ; m_iCount = NULL;
577	}
578	if (m_iOffset)
579	{
580	delete [] m_iOffset ; m_iOffset = NULL;
581	}
582	if (m_iOffsetOrg)
583	{
584	delete [] m_iOffsetOrg ; m_iOffsetOrg = NULL;
585	}
586	#if SAO_LCU_BOUNDARY
587	Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight;
588
589	for (Int i=0;i<numLcu;i++)
590	{
591	for (Int j=0;j<3;j++)
592	{
593	for (Int k=0;k<MAX_NUM_SAO_TYPE;k++)
594	{
595	if (m_count_PreDblk [i][j][k])
596	{
597	delete [] m_count_PreDblk [i][j][k];
598	}
599	if (m_offsetOrg_PreDblk[i][j][k])
600	{
601	delete [] m_offsetOrg_PreDblk[i][j][k];
602	}
603	}
604	if (m_count_PreDblk [i][j])
605	{
606	delete [] m_count_PreDblk [i][j];
607	}
608	if (m_offsetOrg_PreDblk[i][j])
609	{
610	delete [] m_offsetOrg_PreDblk[i][j];
611	}
612	}
613	if (m_count_PreDblk [i])
614	{
615	delete [] m_count_PreDblk [i];
616	}
617	if (m_offsetOrg_PreDblk[i])
618	{
619	delete [] m_offsetOrg_PreDblk[i];
620	}
621	}
622	if (m_count_PreDblk)
623	{
624	delete [] m_count_PreDblk ; m_count_PreDblk = NULL;
625	}
626	if (m_offsetOrg_PreDblk)
627	{
628	delete [] m_offsetOrg_PreDblk ; m_offsetOrg_PreDblk = NULL;
629	}
630	#endif
631
632	Int iMaxDepth = 4;
633	Int iDepth;
634	for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
635	{
636	for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
637	{
638	delete m_pppcRDSbacCoder[iDepth][iCIIdx];
639	delete m_pppcBinCoderCABAC[iDepth][iCIIdx];
640	}
641	}
642
643	for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
644	{
645	delete [] m_pppcRDSbacCoder[iDepth];
646	delete [] m_pppcBinCoderCABAC[iDepth];
647	}
648
649	delete [] m_pppcRDSbacCoder;
650	delete [] m_pppcBinCoderCABAC;
651	}
652
653	/** create Encoder Buffer for SAO
654	* \param
655	*/
656	Void TEncSampleAdaptiveOffset::createEncBuffer()
657	{
658	m_iDistOrg = new Int64 [m_iNumTotalParts];
659	m_dCostPartBest = new Double [m_iNumTotalParts];
660	m_iTypePartBest = new Int [m_iNumTotalParts];
661
662	m_iRate = new Int64* [m_iNumTotalParts];
663	m_iDist = new Int64* [m_iNumTotalParts];
664	m_dCost = new Double*[m_iNumTotalParts];
665
666	m_iCount = new Int64 **[m_iNumTotalParts];
667	m_iOffset = new Int64 **[m_iNumTotalParts];
668	m_iOffsetOrg = new Int64 **[m_iNumTotalParts];
669
670	for (Int i=0;i<m_iNumTotalParts;i++)
671	{
672	m_iRate[i] = new Int64 [MAX_NUM_SAO_TYPE];
673	m_iDist[i] = new Int64 [MAX_NUM_SAO_TYPE];
674	m_dCost[i] = new Double [MAX_NUM_SAO_TYPE];
675
676	m_iCount [i] = new Int64 *[MAX_NUM_SAO_TYPE];
677	m_iOffset[i] = new Int64 *[MAX_NUM_SAO_TYPE];
678	m_iOffsetOrg[i] = new Int64 *[MAX_NUM_SAO_TYPE];
679
680	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
681	{
682	m_iCount [i][j] = new Int64 [MAX_NUM_SAO_CLASS];
683	m_iOffset[i][j] = new Int64 [MAX_NUM_SAO_CLASS];
684	m_iOffsetOrg[i][j]= new Int64 [MAX_NUM_SAO_CLASS];
685	}
686	}
687	#if SAO_LCU_BOUNDARY
688	Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight;
689	m_count_PreDblk = new Int64 ***[numLcu];
690	m_offsetOrg_PreDblk = new Int64 ***[numLcu];
691	for (Int i=0; i<numLcu; i++)
692	{
693	m_count_PreDblk[i] = new Int64 **[3];
694	m_offsetOrg_PreDblk[i] = new Int64 **[3];
695
696	for (Int j=0;j<3;j++)
697	{
698	m_count_PreDblk [i][j] = new Int64 *[MAX_NUM_SAO_TYPE];
699	m_offsetOrg_PreDblk[i][j] = new Int64 *[MAX_NUM_SAO_TYPE];
700
701	for (Int k=0;k<MAX_NUM_SAO_TYPE;k++)
702	{
703	m_count_PreDblk [i][j][k] = new Int64 [MAX_NUM_SAO_CLASS];
704	m_offsetOrg_PreDblk[i][j][k]= new Int64 [MAX_NUM_SAO_CLASS];
705	}
706	}
707	}
708	#endif
709
710	Int iMaxDepth = 4;
711	m_pppcRDSbacCoder = new TEncSbac** [iMaxDepth+1];
712	#if FAST_BIT_EST
713	m_pppcBinCoderCABAC = new TEncBinCABACCounter** [iMaxDepth+1];
714	#else
715	m_pppcBinCoderCABAC = new TEncBinCABAC** [iMaxDepth+1];
716	#endif
717
718	for ( Int iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
719	{
720	m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM];
721	#if FAST_BIT_EST
722	m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM];
723	#else
724	m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM];
725	#endif
726	for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
727	{
728	m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac;
729	#if FAST_BIT_EST
730	m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter;
731	#else
732	m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC;
733	#endif
734	m_pppcRDSbacCoder [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] );
735	}
736	}
737	}
738
739	/** Start SAO encoder
740	* \param pcPic, pcEntropyCoder, pppcRDSbacCoder, pcRDGoOnSbacCoder
741	*/
742	Void TEncSampleAdaptiveOffset::startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder)
743	{
744	m_bUseSBACRD = true;
745	m_pcPic = pcPic;
746	m_pcEntropyCoder = pcEntropyCoder;
747
748	m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder;
749	m_pcEntropyCoder->setEntropyCoder(m_pcRDGoOnSbacCoder, pcPic->getSlice(0));
750	m_pcEntropyCoder->resetEntropy();
751	m_pcEntropyCoder->resetBits();
752
753	if( m_bUseSBACRD )
754	{
755	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_NEXT_BEST]);
756	m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_NEXT_BEST]);
757	}
758	}
759
760	/** End SAO encoder
761	*/
762	Void TEncSampleAdaptiveOffset::endSaoEnc()
763	{
764	m_pcPic = NULL;
765	m_pcEntropyCoder = NULL;
766	}
767
768	inline int xSign(int x)
769	{
770	return ((x >> 31) \| ((int)( (((unsigned int) -x)) >> 31)));
771	}
772
773	/** Calculate SAO statistics for non-cross-slice or non-cross-tile processing
774	* \param pRecStart to-be-filtered block buffer pointer
775	* \param pOrgStart original block buffer pointer
776	* \param stride picture buffer stride
777	* \param ppStat statistics buffer
778	* \param ppCount counter buffer
779	* \param width block width
780	* \param height block height
781	* \param pbBorderAvail availabilities of block border pixels
782	*/
783	Void TEncSampleAdaptiveOffset::calcSaoStatsBlock( Pel* pRecStart, Pel* pOrgStart, Int stride, Int64 ppStats, Int64 ppCount, UInt width, UInt height, Bool* pbBorderAvail)
784	{
785	Int64 stats, count;
786	Int classIdx, posShift, startX, endX, startY, endY, signLeft,signRight,signDown,signDown1;
787	Pel pOrg, pRec;
788	UInt edgeType;
789	Int x, y;
790
791	//--------- Band offset-----------//
792	stats = ppStats[SAO_BO];
793	count = ppCount[SAO_BO];
794	pOrg = pOrgStart;
795	pRec = pRecStart;
796	for (y=0; y< height; y++)
797	{
798	for (x=0; x< width; x++)
799	{
800	classIdx = m_lumaTableBo[pRec[x]];
801	if (classIdx)
802	{
803	stats[classIdx] += (pOrg[x] - pRec[x]);
804	count[classIdx] ++;
805	}
806	}
807	pOrg += stride;
808	pRec += stride;
809	}
810	//---------- Edge offset 0--------------//
811	stats = ppStats[SAO_EO_0];
812	count = ppCount[SAO_EO_0];
813	pOrg = pOrgStart;
814	pRec = pRecStart;
815
816
817	startX = (pbBorderAvail[SGU_L]) ? 0 : 1;
818	endX = (pbBorderAvail[SGU_R]) ? width : (width -1);
819	for (y=0; y< height; y++)
820	{
821	signLeft = xSign(pRec[startX] - pRec[startX-1]);
822	for (x=startX; x< endX; x++)
823	{
824	signRight = xSign(pRec[x] - pRec[x+1]);
825	edgeType = signRight + signLeft + 2;
826	signLeft = -signRight;
827
828	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
829	count[m_auiEoTable[edgeType]] ++;
830	}
831	pRec += stride;
832	pOrg += stride;
833	}
834
835	//---------- Edge offset 1--------------//
836	stats = ppStats[SAO_EO_1];
837	count = ppCount[SAO_EO_1];
838	pOrg = pOrgStart;
839	pRec = pRecStart;
840
841	startY = (pbBorderAvail[SGU_T]) ? 0 : 1;
842	endY = (pbBorderAvail[SGU_B]) ? height : height-1;
843	if (!pbBorderAvail[SGU_T])
844	{
845	pRec += stride;
846	pOrg += stride;
847	}
848
849	for (x=0; x< width; x++)
850	{
851	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]);
852	}
853	for (y=startY; y<endY; y++)
854	{
855	for (x=0; x< width; x++)
856	{
857	signDown = xSign(pRec[x] - pRec[x+stride]);
858	edgeType = signDown + m_iUpBuff1[x] + 2;
859	m_iUpBuff1[x] = -signDown;
860
861	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
862	count[m_auiEoTable[edgeType]] ++;
863	}
864	pOrg += stride;
865	pRec += stride;
866	}
867	//---------- Edge offset 2--------------//
868	stats = ppStats[SAO_EO_2];
869	count = ppCount[SAO_EO_2];
870	pOrg = pOrgStart;
871	pRec = pRecStart;
872
873	posShift= stride + 1;
874
875	startX = (pbBorderAvail[SGU_L]) ? 0 : 1 ;
876	endX = (pbBorderAvail[SGU_R]) ? width : (width-1);
877
878	//prepare 2nd line upper sign
879	pRec += stride;
880	for (x=startX; x< endX+1; x++)
881	{
882	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]);
883	}
884
885	//1st line
886	pRec -= stride;
887	if(pbBorderAvail[SGU_TL])
888	{
889	x= 0;
890	edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2;
891	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
892	count[m_auiEoTable[edgeType]] ++;
893	}
894	if(pbBorderAvail[SGU_T])
895	{
896	for(x= 1; x< endX; x++)
897	{
898	edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2;
899	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
900	count[m_auiEoTable[edgeType]] ++;
901	}
902	}
903	pRec += stride;
904	pOrg += stride;
905
906	//middle lines
907	for (y= 1; y< height-1; y++)
908	{
909	for (x=startX; x<endX; x++)
910	{
911	signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ;
912	edgeType = signDown1 + m_iUpBuff1[x] + 2;
913	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
914	count[m_auiEoTable[edgeType]] ++;
915
916	m_iUpBufft[x+1] = -signDown1;
917	}
918	m_iUpBufft[startX] = xSign(pRec[stride+startX] - pRec[startX-1]);
919
920	ipSwap = m_iUpBuff1;
921	m_iUpBuff1 = m_iUpBufft;
922	m_iUpBufft = ipSwap;
923
924	pRec += stride;
925	pOrg += stride;
926	}
927
928	//last line
929	if(pbBorderAvail[SGU_B])
930	{
931	for(x= startX; x< width-1; x++)
932	{
933	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
934	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
935	count[m_auiEoTable[edgeType]] ++;
936	}
937	}
938	if(pbBorderAvail[SGU_BR])
939	{
940	x= width -1;
941	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
942	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
943	count[m_auiEoTable[edgeType]] ++;
944	}
945
946	//---------- Edge offset 3--------------//
947
948	stats = ppStats[SAO_EO_3];
949	count = ppCount[SAO_EO_3];
950	pOrg = pOrgStart;
951	pRec = pRecStart;
952
953	posShift = stride - 1;
954	startX = (pbBorderAvail[SGU_L]) ? 0 : 1;
955	endX = (pbBorderAvail[SGU_R]) ? width : (width -1);
956
957	//prepare 2nd line upper sign
958	pRec += stride;
959	for (x=startX-1; x< endX; x++)
960	{
961	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]);
962	}
963
964
965	//first line
966	pRec -= stride;
967	if(pbBorderAvail[SGU_T])
968	{
969	for(x= startX; x< width -1; x++)
970	{
971	edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2;
972	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
973	count[m_auiEoTable[edgeType]] ++;
974	}
975	}
976	if(pbBorderAvail[SGU_TR])
977	{
978	x= width-1;
979	edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2;
980	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
981	count[m_auiEoTable[edgeType]] ++;
982	}
983	pRec += stride;
984	pOrg += stride;
985
986	//middle lines
987	for (y= 1; y< height-1; y++)
988	{
989	for(x= startX; x< endX; x++)
990	{
991	signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ;
992	edgeType = signDown1 + m_iUpBuff1[x] + 2;
993
994	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
995	count[m_auiEoTable[edgeType]] ++;
996	m_iUpBuff1[x-1] = -signDown1;
997
998	}
999	m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]);
1000
1001	pRec += stride;
1002	pOrg += stride;
1003	}
1004
1005	//last line
1006	if(pbBorderAvail[SGU_BL])
1007	{
1008	x= 0;
1009	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
1010	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
1011	count[m_auiEoTable[edgeType]] ++;
1012
1013	}
1014	if(pbBorderAvail[SGU_B])
1015	{
1016	for(x= 1; x< endX; x++)
1017	{
1018	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
1019	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
1020	count[m_auiEoTable[edgeType]] ++;
1021	}
1022	}
1023	}
1024
1025	/** Calculate SAO statistics for current LCU
1026	* \param iAddr, iPartIdx, iYCbCr
1027	*/
1028	Void TEncSampleAdaptiveOffset::calcSaoStatsCu(Int iAddr, Int iPartIdx, Int iYCbCr)
1029	{
1030	if(!m_bUseNIF)
1031	{
1032	calcSaoStatsCuOrg( iAddr, iPartIdx, iYCbCr);
1033	}
1034	else
1035	{
1036	Int64** ppStats = m_iOffsetOrg[iPartIdx];
1037	Int64** ppCount = m_iCount [iPartIdx];
1038
1039	//parameters
1040	Int isChroma = (iYCbCr != 0)? 1:0;
1041	Int stride = (iYCbCr != 0)?(m_pcPic->getCStride()):(m_pcPic->getStride());
1042	Pel* pPicOrg = getPicYuvAddr (m_pcPic->getPicYuvOrg(), iYCbCr);
1043	Pel* pPicRec = getPicYuvAddr(m_pcYuvTmp, iYCbCr);
1044
1045	std::vector<NDBFBlockInfo>& vFilterBlocks = *(m_pcPic->getCU(iAddr)->getNDBFilterBlocks());
1046
1047	//variables
1048	UInt xPos, yPos, width, height;
1049	Bool* pbBorderAvail;
1050	UInt posOffset;
1051
1052	for(Int i=0; i< vFilterBlocks.size(); i++)
1053	{
1054	xPos = vFilterBlocks[i].posX >> isChroma;
1055	yPos = vFilterBlocks[i].posY >> isChroma;
1056	width = vFilterBlocks[i].width >> isChroma;
1057	height = vFilterBlocks[i].height >> isChroma;
1058	pbBorderAvail = vFilterBlocks[i].isBorderAvailable;
1059
1060	posOffset = (yPos* stride) + xPos;
1061
1062	calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail);
1063	}
1064	}
1065
1066	}
1067
1068	/** Calculate SAO statistics for current LCU without non-crossing slice
1069	* \param iAddr, iPartIdx, iYCbCr
1070	*/
1071	Void TEncSampleAdaptiveOffset::calcSaoStatsCuOrg(Int iAddr, Int iPartIdx, Int iYCbCr)
1072	{
1073	Int x,y;
1074	TComDataCU *pTmpCu = m_pcPic->getCU(iAddr);
1075	TComSPS *pTmpSPS = m_pcPic->getSlice(0)->getSPS();
1076
1077	Pel* pOrg;
1078	Pel* pRec;
1079	Int iStride;
1080	Int iLcuWidth = pTmpSPS->getMaxCUHeight();
1081	Int iLcuHeight = pTmpSPS->getMaxCUWidth();
1082	UInt uiLPelX = pTmpCu->getCUPelX();
1083	UInt uiTPelY = pTmpCu->getCUPelY();
1084	UInt uiRPelX;
1085	UInt uiBPelY;
1086	Int64* iStats;
1087	Int64* iCount;
1088	Int iClassIdx;
1089	Int iPicWidthTmp;
1090	Int iPicHeightTmp;
1091	Int iStartX;
1092	Int iStartY;
1093	Int iEndX;
1094	Int iEndY;
1095
1096	Int iIsChroma = (iYCbCr!=0)? 1:0;
1097	Int numSkipLine = iIsChroma? 2:4;
1098	if (m_saoLcuBasedOptimization == 0)
1099	{
1100	numSkipLine = 0;
1101	}
1102
1103	#if SAO_SKIP_RIGHT
1104	Int numSkipLineRight = iIsChroma? 3:5;
1105	if (m_saoLcuBasedOptimization == 0)
1106	{
1107	numSkipLineRight = 0;
1108	}
1109	#endif
1110
1111	iPicWidthTmp = m_iPicWidth >> iIsChroma;
1112	iPicHeightTmp = m_iPicHeight >> iIsChroma;
1113	iLcuWidth = iLcuWidth >> iIsChroma;
1114	iLcuHeight = iLcuHeight >> iIsChroma;
1115	uiLPelX = uiLPelX >> iIsChroma;
1116	uiTPelY = uiTPelY >> iIsChroma;
1117	uiRPelX = uiLPelX + iLcuWidth ;
1118	uiBPelY = uiTPelY + iLcuHeight ;
1119	uiRPelX = uiRPelX > iPicWidthTmp ? iPicWidthTmp : uiRPelX;
1120	uiBPelY = uiBPelY > iPicHeightTmp ? iPicHeightTmp : uiBPelY;
1121	iLcuWidth = uiRPelX - uiLPelX;
1122	iLcuHeight = uiBPelY - uiTPelY;
1123
1124	iStride = (iYCbCr == 0)? m_pcPic->getStride(): m_pcPic->getCStride();
1125
1126	//if(iSaoType == BO_0 \|\| iSaoType == BO_1)
1127	{
1128	#if SAO_LCU_BOUNDARY
1129	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1130	{
1131	numSkipLine = iIsChroma? 1:3;
1132	numSkipLineRight = iIsChroma? 2:4;
1133	}
1134	#endif
1135	iStats = m_iOffsetOrg[iPartIdx][SAO_BO];
1136	iCount = m_iCount [iPartIdx][SAO_BO];
1137
1138	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1139	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1140
1141	#if SAO_SKIP_RIGHT
1142	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight;
1143	#endif
1144
1145	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight : iLcuHeight-numSkipLine;
1146	for (y=0; y<iEndY; y++)
1147	{
1148	#if SAO_SKIP_RIGHT
1149	for (x=0; x<iEndX; x++)
1150	#else
1151	for (x=0; x<iLcuWidth; x++)
1152	#endif
1153	{
1154	iClassIdx = m_lumaTableBo[pRec[x]];
1155	if (iClassIdx)
1156	{
1157	iStats[iClassIdx] += (pOrg[x] - pRec[x]);
1158	iCount[iClassIdx] ++;
1159	}
1160	}
1161	pOrg += iStride;
1162	pRec += iStride;
1163	}
1164
1165	}
1166	Int iSignLeft;
1167	Int iSignRight;
1168	Int iSignDown;
1169	Int iSignDown1;
1170	Int iSignDown2;
1171
1172	UInt uiEdgeType;
1173
1174	//if (iSaoType == EO_0 \|\| iSaoType == EO_1 \|\| iSaoType == EO_2 \|\| iSaoType == EO_3)
1175	{
1176	//if (iSaoType == EO_0)
1177	{
1178	#if SAO_LCU_BOUNDARY
1179	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1180	{
1181	numSkipLine = iIsChroma? 1:3;
1182	numSkipLineRight = iIsChroma? 3:5;
1183	}
1184	#endif
1185	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_0];
1186	iCount = m_iCount [iPartIdx][SAO_EO_0];
1187
1188	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1189	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1190
1191	iStartX = (uiLPelX == 0) ? 1 : 0;
1192	#if SAO_SKIP_RIGHT
1193	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
1194	#else
1195	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth;
1196	#endif
1197	for (y=0; y<iLcuHeight-numSkipLine; y++)
1198	{
1199	iSignLeft = xSign(pRec[iStartX] - pRec[iStartX-1]);
1200	for (x=iStartX; x< iEndX; x++)
1201	{
1202	iSignRight = xSign(pRec[x] - pRec[x+1]);
1203	uiEdgeType = iSignRight + iSignLeft + 2;
1204	iSignLeft = -iSignRight;
1205
1206	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1207	iCount[m_auiEoTable[uiEdgeType]] ++;
1208	}
1209	pOrg += iStride;
1210	pRec += iStride;
1211	}
1212	}
1213
1214	//if (iSaoType == EO_1)
1215	{
1216	#if SAO_LCU_BOUNDARY
1217	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1218	{
1219	numSkipLine = iIsChroma? 2:4;
1220	numSkipLineRight = iIsChroma? 2:4;
1221	}
1222	#endif
1223	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_1];
1224	iCount = m_iCount [iPartIdx][SAO_EO_1];
1225
1226	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1227	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1228
1229	iStartY = (uiTPelY == 0) ? 1 : 0;
1230	#if SAO_SKIP_RIGHT
1231	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight;
1232	#endif
1233	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
1234	if (uiTPelY == 0)
1235	{
1236	pOrg += iStride;
1237	pRec += iStride;
1238	}
1239
1240	for (x=0; x< iLcuWidth; x++)
1241	{
1242	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride]);
1243	}
1244	for (y=iStartY; y<iEndY; y++)
1245	{
1246	#if SAO_SKIP_RIGHT
1247	for (x=0; x<iEndX; x++)
1248	#else
1249	for (x=0; x<iLcuWidth; x++)
1250	#endif
1251	{
1252	iSignDown = xSign(pRec[x] - pRec[x+iStride]);
1253	uiEdgeType = iSignDown + m_iUpBuff1[x] + 2;
1254	m_iUpBuff1[x] = -iSignDown;
1255
1256	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1257	iCount[m_auiEoTable[uiEdgeType]] ++;
1258	}
1259	pOrg += iStride;
1260	pRec += iStride;
1261	}
1262	}
1263	//if (iSaoType == EO_2)
1264	{
1265	#if SAO_LCU_BOUNDARY
1266	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1267	{
1268	numSkipLine = iIsChroma? 2:4;
1269	numSkipLineRight = iIsChroma? 3:5;
1270	}
1271	#endif
1272	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_2];
1273	iCount = m_iCount [iPartIdx][SAO_EO_2];
1274
1275	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1276	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1277
1278	iStartX = (uiLPelX == 0) ? 1 : 0;
1279	#if SAO_SKIP_RIGHT
1280	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
1281	#else
1282	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth;
1283	#endif
1284
1285	iStartY = (uiTPelY == 0) ? 1 : 0;
1286	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
1287	if (uiTPelY == 0)
1288	{
1289	pOrg += iStride;
1290	pRec += iStride;
1291	}
1292
1293	for (x=iStartX; x<iEndX; x++)
1294	{
1295	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride-1]);
1296	}
1297	for (y=iStartY; y<iEndY; y++)
1298	{
1299	iSignDown2 = xSign(pRec[iStride+iStartX] - pRec[iStartX-1]);
1300	for (x=iStartX; x<iEndX; x++)
1301	{
1302	iSignDown1 = xSign(pRec[x] - pRec[x+iStride+1]) ;
1303	uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2;
1304	m_iUpBufft[x+1] = -iSignDown1;
1305	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1306	iCount[m_auiEoTable[uiEdgeType]] ++;
1307	}
1308	m_iUpBufft[iStartX] = iSignDown2;
1309	ipSwap = m_iUpBuff1;
1310	m_iUpBuff1 = m_iUpBufft;
1311	m_iUpBufft = ipSwap;
1312
1313	pRec += iStride;
1314	pOrg += iStride;
1315	}
1316	}
1317	//if (iSaoType == EO_3 )
1318	{
1319	#if SAO_LCU_BOUNDARY
1320	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1321	{
1322	numSkipLine = iIsChroma? 2:4;
1323	numSkipLineRight = iIsChroma? 3:5;
1324	}
1325	#endif
1326	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_3];
1327	iCount = m_iCount [iPartIdx][SAO_EO_3];
1328
1329	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1330	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1331
1332	iStartX = (uiLPelX == 0) ? 1 : 0;
1333	#if SAO_SKIP_RIGHT
1334	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
1335	#else
1336	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth;
1337	#endif
1338
1339	iStartY = (uiTPelY == 0) ? 1 : 0;
1340	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
1341	if (iStartY == 1)
1342	{
1343	pOrg += iStride;
1344	pRec += iStride;
1345	}
1346
1347	for (x=iStartX-1; x<iEndX; x++)
1348	{
1349	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride+1]);
1350	}
1351
1352	for (y=iStartY; y<iEndY; y++)
1353	{
1354	for (x=iStartX; x<iEndX; x++)
1355	{
1356	iSignDown1 = xSign(pRec[x] - pRec[x+iStride-1]) ;
1357	uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2;
1358	m_iUpBuff1[x-1] = -iSignDown1;
1359	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1360	iCount[m_auiEoTable[uiEdgeType]] ++;
1361	}
1362	m_iUpBuff1[iEndX-1] = xSign(pRec[iEndX-1 + iStride] - pRec[iEndX]);
1363
1364	pRec += iStride;
1365	pOrg += iStride;
1366	}
1367	}
1368	}
1369	}
1370
1371
1372	#if SAO_LCU_BOUNDARY
1373	Void TEncSampleAdaptiveOffset::calcSaoStatsCu_BeforeDblk( TComPic* pcPic )
1374	{
1375	Int addr, yCbCr;
1376	Int x,y;
1377	TComSPS *pTmpSPS = pcPic->getSlice(0)->getSPS();
1378
1379	Pel* pOrg;
1380	Pel* pRec;
1381	Int stride;
1382	Int lcuWidth = pTmpSPS->getMaxCUHeight();
1383	Int lcuHeight = pTmpSPS->getMaxCUWidth();
1384	UInt rPelX;
1385	UInt bPelY;
1386	Int64* stats;
1387	Int64* count;
1388	Int classIdx;
1389	Int picWidthTmp = 0;
1390	Int picHeightTmp = 0;
1391	Int startX;
1392	Int startY;
1393	Int endX;
1394	Int endY;
1395	Int firstX, firstY;
1396
1397	Int idxY;
1398	Int idxX;
1399	Int frameHeightInCU = m_iNumCuInHeight;
1400	Int frameWidthInCU = m_iNumCuInWidth;
1401	Int j, k;
1402
1403	Int isChroma;
1404	Int numSkipLine, numSkipLineRight;
1405
1406	UInt lPelX, tPelY;
1407	TComDataCU *pTmpCu;
1408
1409	for (idxY = 0; idxY< frameHeightInCU; idxY++)
1410	{
1411	for (idxX = 0; idxX< frameWidthInCU; idxX++)
1412	{
1413	lcuWidth = pTmpSPS->getMaxCUHeight();
1414	lcuHeight = pTmpSPS->getMaxCUWidth();
1415	addr = idxX + frameWidthInCU*idxY;
1416	pTmpCu = pcPic->getCU(addr);
1417	lPelX = pTmpCu->getCUPelX();
1418	tPelY = pTmpCu->getCUPelY();
1419	for( yCbCr = 0; yCbCr < 3; yCbCr++ )
1420	{
1421	isChroma = (yCbCr!=0)? 1:0;
1422
1423	for ( j=0;j<MAX_NUM_SAO_TYPE;j++)
1424	{
1425	for ( k=0;k< MAX_NUM_SAO_CLASS;k++)
1426	{
1427	m_count_PreDblk [addr][yCbCr][j][k] = 0;
1428	m_offsetOrg_PreDblk[addr][yCbCr][j][k] = 0;
1429	}
1430	}
1431	if( yCbCr == 0 )
1432	{
1433	picWidthTmp = m_iPicWidth;
1434	picHeightTmp = m_iPicHeight;
1435	}
1436	else if( yCbCr == 1 )
1437	{
1438	picWidthTmp = m_iPicWidth >> isChroma;
1439	picHeightTmp = m_iPicHeight >> isChroma;
1440	lcuWidth = lcuWidth >> isChroma;
1441	lcuHeight = lcuHeight >> isChroma;
1442	lPelX = lPelX >> isChroma;
1443	tPelY = tPelY >> isChroma;
1444	}
1445	rPelX = lPelX + lcuWidth ;
1446	bPelY = tPelY + lcuHeight ;
1447	rPelX = rPelX > picWidthTmp ? picWidthTmp : rPelX;
1448	bPelY = bPelY > picHeightTmp ? picHeightTmp : bPelY;
1449	lcuWidth = rPelX - lPelX;
1450	lcuHeight = bPelY - tPelY;
1451
1452	stride = (yCbCr == 0)? pcPic->getStride(): pcPic->getCStride();
1453
1454	//if(iSaoType == BO)
1455
1456	numSkipLine = isChroma? 1:3;
1457	numSkipLineRight = isChroma? 2:4;
1458
1459	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_BO];
1460	count = m_count_PreDblk[addr][yCbCr][SAO_BO];
1461
1462	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1463	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1464
1465	startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight;
1466	startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine;
1467
1468	for (y=0; y<lcuHeight; y++)
1469	{
1470	for (x=0; x<lcuWidth; x++)
1471	{
1472	if( x < startX && y < startY )
1473	continue;
1474
1475	classIdx = m_lumaTableBo[pRec[x]];
1476	if (classIdx)
1477	{
1478	stats[classIdx] += (pOrg[x] - pRec[x]);
1479	count[classIdx] ++;
1480	}
1481	}
1482	pOrg += stride;
1483	pRec += stride;
1484	}
1485
1486	Int signLeft;
1487	Int signRight;
1488	Int signDown;
1489	Int signDown1;
1490	Int signDown2;
1491
1492	UInt uiEdgeType;
1493
1494	//if (iSaoType == EO_0)
1495
1496	numSkipLine = isChroma? 1:3;
1497	numSkipLineRight = isChroma? 3:5;
1498
1499	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_0];
1500	count = m_count_PreDblk[addr][yCbCr][SAO_EO_0];
1501
1502	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1503	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1504
1505	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
1506	startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine;
1507	firstX = (lPelX == 0) ? 1 : 0;
1508	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
1509
1510	for (y=0; y<lcuHeight; y++)
1511	{
1512	signLeft = xSign(pRec[firstX] - pRec[firstX-1]);
1513	for (x=firstX; x< endX; x++)
1514	{
1515	signRight = xSign(pRec[x] - pRec[x+1]);
1516	uiEdgeType = signRight + signLeft + 2;
1517	signLeft = -signRight;
1518
1519	if( x < startX && y < startY )
1520	continue;
1521
1522	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1523	count[m_auiEoTable[uiEdgeType]] ++;
1524	}
1525	pOrg += stride;
1526	pRec += stride;
1527	}
1528
1529	//if (iSaoType == EO_1)
1530
1531	numSkipLine = isChroma? 2:4;
1532	numSkipLineRight = isChroma? 2:4;
1533
1534	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_1];
1535	count = m_count_PreDblk[addr][yCbCr][SAO_EO_1];
1536
1537	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1538	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1539
1540	startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight;
1541	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
1542	firstY = (tPelY == 0) ? 1 : 0;
1543	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
1544	if (firstY == 1)
1545	{
1546	pOrg += stride;
1547	pRec += stride;
1548	}
1549
1550	for (x=0; x< lcuWidth; x++)
1551	{
1552	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]);
1553	}
1554	for (y=firstY; y<endY; y++)
1555	{
1556	for (x=0; x<lcuWidth; x++)
1557	{
1558	signDown = xSign(pRec[x] - pRec[x+stride]);
1559	uiEdgeType = signDown + m_iUpBuff1[x] + 2;
1560	m_iUpBuff1[x] = -signDown;
1561
1562	if( x < startX && y < startY )
1563	continue;
1564
1565	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1566	count[m_auiEoTable[uiEdgeType]] ++;
1567	}
1568	pOrg += stride;
1569	pRec += stride;
1570	}
1571
1572	//if (iSaoType == EO_2)
1573
1574	numSkipLine = isChroma? 2:4;
1575	numSkipLineRight = isChroma? 3:5;
1576
1577	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_2];
1578	count = m_count_PreDblk[addr][yCbCr][SAO_EO_2];
1579
1580	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1581	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1582
1583	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
1584	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
1585	firstX = (lPelX == 0) ? 1 : 0;
1586	firstY = (tPelY == 0) ? 1 : 0;
1587	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
1588	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
1589	if (firstY == 1)
1590	{
1591	pOrg += stride;
1592	pRec += stride;
1593	}
1594
1595	for (x=firstX; x<endX; x++)
1596	{
1597	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride-1]);
1598	}
1599	for (y=firstY; y<endY; y++)
1600	{
1601	signDown2 = xSign(pRec[stride+startX] - pRec[startX-1]);
1602	for (x=firstX; x<endX; x++)
1603	{
1604	signDown1 = xSign(pRec[x] - pRec[x+stride+1]) ;
1605	uiEdgeType = signDown1 + m_iUpBuff1[x] + 2;
1606	m_iUpBufft[x+1] = -signDown1;
1607
1608	if( x < startX && y < startY )
1609	continue;
1610
1611	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1612	count[m_auiEoTable[uiEdgeType]] ++;
1613	}
1614	m_iUpBufft[firstX] = signDown2;
1615	ipSwap = m_iUpBuff1;
1616	m_iUpBuff1 = m_iUpBufft;
1617	m_iUpBufft = ipSwap;
1618
1619	pRec += stride;
1620	pOrg += stride;
1621	}
1622
1623	//if (iSaoType == EO_3)
1624
1625	numSkipLine = isChroma? 2:4;
1626	numSkipLineRight = isChroma? 3:5;
1627
1628	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_3];
1629	count = m_count_PreDblk[addr][yCbCr][SAO_EO_3];
1630
1631	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1632	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1633
1634	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
1635	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
1636	firstX = (lPelX == 0) ? 1 : 0;
1637	firstY = (tPelY == 0) ? 1 : 0;
1638	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
1639	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
1640	if (firstY == 1)
1641	{
1642	pOrg += stride;
1643	pRec += stride;
1644	}
1645
1646	for (x=firstX-1; x<endX; x++)
1647	{
1648	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride+1]);
1649	}
1650
1651	for (y=firstY; y<endY; y++)
1652	{
1653	for (x=firstX; x<endX; x++)
1654	{
1655	signDown1 = xSign(pRec[x] - pRec[x+stride-1]) ;
1656	uiEdgeType = signDown1 + m_iUpBuff1[x] + 2;
1657	m_iUpBuff1[x-1] = -signDown1;
1658
1659	if( x < startX && y < startY )
1660	continue;
1661
1662	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1663	count[m_auiEoTable[uiEdgeType]] ++;
1664	}
1665	m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]);
1666
1667	pRec += stride;
1668	pOrg += stride;
1669	}
1670	}
1671	}
1672	}
1673	}
1674	#endif
1675
1676
1677	/** get SAO statistics
1678	* \param *psQTPart, iYCbCr
1679	*/
1680	Void TEncSampleAdaptiveOffset::getSaoStats(SAOQTPart *psQTPart, Int iYCbCr)
1681	{
1682	Int iLevelIdx, iPartIdx, iTypeIdx, iClassIdx;
1683	Int i;
1684	Int iNumTotalType = MAX_NUM_SAO_TYPE;
1685	Int LcuIdxX;
1686	Int LcuIdxY;
1687	Int iAddr;
1688	Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU();
1689	Int iDownPartIdx;
1690	Int iPartStart;
1691	Int iPartEnd;
1692	SAOQTPart* pOnePart;
1693
1694	if (m_uiMaxSplitLevel == 0)
1695	{
1696	iPartIdx = 0;
1697	pOnePart = &(psQTPart[iPartIdx]);
1698	for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++)
1699	{
1700	for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++)
1701	{
1702	iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX;
1703	calcSaoStatsCu(iAddr, iPartIdx, iYCbCr);
1704	}
1705	}
1706	}
1707	else
1708	{
1709	for(iPartIdx=m_aiNumCulPartsLevel[m_uiMaxSplitLevel-1]; iPartIdx<m_aiNumCulPartsLevel[m_uiMaxSplitLevel]; iPartIdx++)
1710	{
1711	pOnePart = &(psQTPart[iPartIdx]);
1712	for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++)
1713	{
1714	for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++)
1715	{
1716	iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX;
1717	calcSaoStatsCu(iAddr, iPartIdx, iYCbCr);
1718	}
1719	}
1720	}
1721	for (iLevelIdx = m_uiMaxSplitLevel-1; iLevelIdx>=0; iLevelIdx-- )
1722	{
1723	iPartStart = (iLevelIdx > 0) ? m_aiNumCulPartsLevel[iLevelIdx-1] : 0;
1724	iPartEnd = m_aiNumCulPartsLevel[iLevelIdx];
1725
1726	for(iPartIdx = iPartStart; iPartIdx < iPartEnd; iPartIdx++)
1727	{
1728	pOnePart = &(psQTPart[iPartIdx]);
1729	for (i=0; i< NUM_DOWN_PART; i++)
1730	{
1731	iDownPartIdx = pOnePart->DownPartsIdx[i];
1732	for (iTypeIdx=0; iTypeIdx<iNumTotalType; iTypeIdx++)
1733	{
1734	for (iClassIdx=0; iClassIdx< (iTypeIdx < SAO_BO ? m_iNumClass[iTypeIdx] : SAO_MAX_BO_CLASSES) +1; iClassIdx++)
1735	{
1736	m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] += m_iOffsetOrg[iDownPartIdx][iTypeIdx][iClassIdx];
1737	m_iCount [iPartIdx][iTypeIdx][iClassIdx] += m_iCount [iDownPartIdx][iTypeIdx][iClassIdx];
1738	}
1739	}
1740	}
1741	}
1742	}
1743	}
1744	}
1745
1746	/** reset offset statistics
1747	* \param
1748	*/
1749	Void TEncSampleAdaptiveOffset::resetStats()
1750	{
1751	for (Int i=0;i<m_iNumTotalParts;i++)
1752	{
1753	m_dCostPartBest[i] = MAX_DOUBLE;
1754	m_iTypePartBest[i] = -1;
1755	m_iDistOrg[i] = 0;
1756	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
1757	{
1758	m_iDist[i][j] = 0;
1759	m_iRate[i][j] = 0;
1760	m_dCost[i][j] = 0;
1761	for (Int k=0;k<MAX_NUM_SAO_CLASS;k++)
1762	{
1763	m_iCount [i][j][k] = 0;
1764	m_iOffset[i][j][k] = 0;
1765	m_iOffsetOrg[i][j][k] = 0;
1766	}
1767	}
1768	}
1769	}
1770
1771	#if SAO_CHROMA_LAMBDA
1772	/** Sample adaptive offset process
1773	* \param pcSaoParam
1774	* \param dLambdaLuma
1775	* \param dLambdaChroma
1776	*/
1777	#if SAO_ENCODING_CHOICE
1778	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma, Int depth)
1779	#else
1780	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma)
1781	#endif
1782	#else
1783	/** Sample adaptive offset process
1784	* \param dLambda
1785	*/
1786	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambda)
1787	#endif
1788	{
1789
1790	m_eSliceType = m_pcPic->getSlice(0)->getSliceType();
1791	m_iPicNalReferenceIdc = (m_pcPic->getSlice(0)->isReferenced() ? 1 :0);
1792
1793	#if SAO_CHROMA_LAMBDA
1794	m_dLambdaLuma = dLambdaLuma;
1795	m_dLambdaChroma = dLambdaChroma;
1796	#else
1797	m_dLambdaLuma = dLambda;
1798	m_dLambdaChroma = dLambda;
1799	#endif
1800
1801	if(m_bUseNIF)
1802	{
1803	m_pcPic->getPicYuvRec()->copyToPic(m_pcYuvTmp);
1804	}
1805
1806	#if FULL_NBIT
1807	m_uiSaoBitIncrease = g_uiBitDepth + (g_uiBitDepth-8) - min((Int)(g_uiBitDepth + (g_uiBitDepth-8)), 10);
1808	#else
1809	m_uiSaoBitIncrease = g_uiBitDepth + g_uiBitIncrement - min((Int)(g_uiBitDepth + g_uiBitIncrement), 10);
1810	#endif
1811
1812	#if FULL_NBIT
1813	m_iOffsetTh = 1 << ( min((Int)(g_uiBitDepth + (g_uiBitDepth-8)-5),5) );
1814	#else
1815	m_iOffsetTh = 1 << ( min((Int)(g_uiBitDepth + g_uiBitIncrement-5),5) );
1816	#endif
1817	resetSAOParam(pcSaoParam);
1818	#if SAO_LCU_BOUNDARY
1819	if( !m_saoLcuBasedOptimization \|\| !m_saoLcuBoundary )
1820	{
1821	resetStats();
1822	}
1823	#else
1824	resetStats();
1825	#endif
1826	#if !SAO_TYPE_SHARING
1827	Int iY = 0;
1828	#endif
1829	Double dCostFinal = 0;
1830	if ( m_saoLcuBasedOptimization)
1831	{
1832	#if SAO_ENCODING_CHOICE
1833	rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma, depth);
1834	#else
1835	rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma);
1836	#endif
1837	}
1838	else
1839	{
1840	#if SAO_TYPE_SHARING
1841	pcSaoParam->bSaoFlag[0] = 1;
1842	pcSaoParam->bSaoFlag[1] = 0;
1843	dCostFinal = 0;
1844	Double lambdaRdo = dLambdaLuma;
1845	resetStats();
1846	getSaoStats(pcSaoParam->psSaoPart[0], 0);
1847	#if PICTURE_SAO_RDO_FIX
1848	runQuadTreeDecision(pcSaoParam->psSaoPart[0], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo, 0);
1849	#else
1850	runQuadTreeDecision(pcSaoParam->psSaoPart[0], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo);
1851	#endif
1852	pcSaoParam->bSaoFlag[0] = dCostFinal < 0 ? 1:0;
1853	if(pcSaoParam->bSaoFlag[0])
1854	{
1855	convertQT2SaoUnit(pcSaoParam, 0, 0);
1856	assignSaoUnitSyntax(pcSaoParam->saoLcuParam[0], pcSaoParam->psSaoPart[0], pcSaoParam->oneUnitFlag[0], 0);
1857	}
1858	#else
1859	pcSaoParam->bSaoFlag[0] = 1;
1860	pcSaoParam->bSaoFlag[1] = 0;
1861	pcSaoParam->bSaoFlag[2] = 0;
1862	for (Int compIdx=0;compIdx<3;compIdx++)
1863	{
1864	if (pcSaoParam->bSaoFlag[iY])
1865	{
1866	dCostFinal = 0;
1867	Double lambdaRdo = (compIdx==0 ? dLambdaLuma: dLambdaChroma);
1868	resetStats();
1869	getSaoStats(pcSaoParam->psSaoPart[compIdx], compIdx);
1870	#if PICTURE_SAO_RDO_FIX
1871	runQuadTreeDecision(pcSaoParam->psSaoPart[compIdx], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo, compIdx);
1872	#else
1873	runQuadTreeDecision(pcSaoParam->psSaoPart[compIdx], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo);
1874	#endif
1875
1876	pcSaoParam->bSaoFlag[compIdx] = dCostFinal < 0 ? 1:0;
1877	if(pcSaoParam->bSaoFlag[compIdx])
1878	{
1879	convertQT2SaoUnit(pcSaoParam, 0, compIdx);
1880	assignSaoUnitSyntax(pcSaoParam->saoLcuParam[compIdx], pcSaoParam->psSaoPart[compIdx], pcSaoParam->oneUnitFlag[compIdx], compIdx);
1881	}
1882	}
1883	}
1884	#endif
1885	}
1886	#if SAO_TYPE_SHARING
1887	if (pcSaoParam->bSaoFlag[0])
1888	{
1889	processSaoUnitAll( pcSaoParam->saoLcuParam[0], pcSaoParam->oneUnitFlag[0], 0);
1890	}
1891	if (pcSaoParam->bSaoFlag[1])
1892	{
1893	processSaoUnitAll( pcSaoParam->saoLcuParam[1], pcSaoParam->oneUnitFlag[1], 1);
1894	processSaoUnitAll( pcSaoParam->saoLcuParam[2], pcSaoParam->oneUnitFlag[2], 2);
1895	}
1896	#else
1897	for (Int compIdx=0;compIdx<3;compIdx++)
1898	{
1899	if (pcSaoParam->bSaoFlag[compIdx])
1900	{
1901	processSaoUnitAll( pcSaoParam->saoLcuParam[compIdx], pcSaoParam->oneUnitFlag[compIdx], compIdx);
1902	}
1903	}
1904	#endif
1905	}
1906	/** Check merge SAO unit
1907	* \param saoUnitCurr current SAO unit
1908	* \param saoUnitCheck SAO unit tobe check
1909	* \param dir direction
1910	*/
1911	Void TEncSampleAdaptiveOffset::checkMerge(SaoLcuParam * saoUnitCurr, SaoLcuParam * saoUnitCheck, Int dir)
1912	{
1913	Int i ;
1914	Int countDiff = 0;
1915	if (saoUnitCurr->partIdx != saoUnitCheck->partIdx)
1916	{
1917	if (saoUnitCurr->typeIdx !=-1)
1918	{
1919	if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx)
1920	{
1921	for (i=0;i<saoUnitCurr->length;i++)
1922	{
1923	countDiff += (saoUnitCurr->offset[i] != saoUnitCheck->offset[i]);
1924	}
1925	#if SAO_TYPE_CODING
1926	countDiff += (saoUnitCurr->subTypeIdx != saoUnitCheck->subTypeIdx);
1927	#else
1928	countDiff += (saoUnitCurr->bandPosition != saoUnitCheck->bandPosition);
1929	#endif
1930	if (countDiff ==0)
1931	{
1932	saoUnitCurr->partIdx = saoUnitCheck->partIdx;
1933	if (dir == 1)
1934	{
1935	saoUnitCurr->mergeUpFlag = 1;
1936	saoUnitCurr->mergeLeftFlag = 0;
1937	}
1938	else
1939	{
1940	saoUnitCurr->mergeUpFlag = 0;
1941	saoUnitCurr->mergeLeftFlag = 1;
1942	}
1943	}
1944	}
1945	}
1946	else
1947	{
1948	if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx)
1949	{
1950	saoUnitCurr->partIdx = saoUnitCheck->partIdx;
1951	if (dir == 1)
1952	{
1953	saoUnitCurr->mergeUpFlag = 1;
1954	saoUnitCurr->mergeLeftFlag = 0;
1955	}
1956	else
1957	{
1958	saoUnitCurr->mergeUpFlag = 0;
1959	saoUnitCurr->mergeLeftFlag = 1;
1960	}
1961	}
1962	}
1963	}
1964	}
1965	/** Assign SAO unit syntax from picture-based algorithm
1966	* \param saoLcuParam SAO LCU parameters
1967	* \param saoPart SAO part
1968	* \param oneUnitFlag SAO one unit flag
1969	* \param iYCbCr color component Index
1970	*/
1971	Void TEncSampleAdaptiveOffset::assignSaoUnitSyntax(SaoLcuParam* saoLcuParam, SAOQTPart* saoPart, Bool &oneUnitFlag, Int yCbCr)
1972	{
1973	if (saoPart->bSplit == 0)
1974	{
1975	oneUnitFlag = 1;
1976	}
1977	else
1978	{
1979	Int i,j, addr, addrUp, addrLeft, idx, idxUp, idxLeft, idxCount;
1980
1981	oneUnitFlag = 0;
1982
1983	idxCount = -1;
1984	saoLcuParam[0].mergeUpFlag = 0;
1985	saoLcuParam[0].mergeLeftFlag = 0;
1986
1987	for (j=0;j<m_iNumCuInHeight;j++)
1988	{
1989	for (i=0;i<m_iNumCuInWidth;i++)
1990	{
1991	addr = i + j*m_iNumCuInWidth;
1992	addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1;
1993	addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth;
1994	idx = saoLcuParam[addr].partIdxTmp;
1995	idxLeft = (addrLeft == -1) ? -1 : saoLcuParam[addrLeft].partIdxTmp;
1996	idxUp = (addrUp == -1) ? -1 : saoLcuParam[addrUp].partIdxTmp;
1997
1998	if(idx!=idxLeft && idx!=idxUp)
1999	{
2000	saoLcuParam[addr].mergeUpFlag = 0; idxCount++;
2001	saoLcuParam[addr].mergeLeftFlag = 0;
2002	saoLcuParam[addr].partIdx = idxCount;
2003	}
2004	else if (idx==idxLeft)
2005	{
2006	saoLcuParam[addr].mergeUpFlag = 1;
2007	saoLcuParam[addr].mergeLeftFlag = 1;
2008	saoLcuParam[addr].partIdx = saoLcuParam[addrLeft].partIdx;
2009	}
2010	else if (idx==idxUp)
2011	{
2012	saoLcuParam[addr].mergeUpFlag = 1;
2013	saoLcuParam[addr].mergeLeftFlag = 0;
2014	saoLcuParam[addr].partIdx = saoLcuParam[addrUp].partIdx;
2015	}
2016	if (addrUp != -1)
2017	{
2018	checkMerge(&saoLcuParam[addr], &saoLcuParam[addrUp], 1);
2019	}
2020	if (addrLeft != -1)
2021	{
2022	checkMerge(&saoLcuParam[addr], &saoLcuParam[addrLeft], 0);
2023	}
2024	}
2025	}
2026	}
2027	}
2028	/** rate distortion optimization of all SAO units
2029	* \param saoParam SAO parameters
2030	* \param lambda
2031	* \param lambdaChroma
2032	*/
2033	#if SAO_ENCODING_CHOICE
2034	Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma, Int depth)
2035	#else
2036	Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma)
2037	#endif
2038	{
2039
2040	Int idxY;
2041	Int idxX;
2042	Int frameHeightInCU = saoParam->numCuInHeight;
2043	Int frameWidthInCU = saoParam->numCuInWidth;
2044	Int j, k;
2045	Int addr = 0;
2046	Int addrUp = -1;
2047	Int addrLeft = -1;
2048	Int compIdx = 0;
2049	#if !SAO_TYPE_SHARING
2050	Double lambdaComp;
2051	#endif
2052	#if SAO_SINGLE_MERGE
2053	SaoLcuParam mergeSaoParam[3][2];
2054	Double compDistortion[3];
2055	#endif
2056
2057	saoParam->bSaoFlag[0] = true;
2058	saoParam->bSaoFlag[1] = true;
2059	#if !SAO_TYPE_SHARING
2060	saoParam->bSaoFlag[2] = true;
2061	#endif
2062	saoParam->oneUnitFlag[0] = false;
2063	saoParam->oneUnitFlag[1] = false;
2064	saoParam->oneUnitFlag[2] = false;
2065
2066	#if SAO_ENCODING_CHOICE
2067	#if SAO_ENCODING_CHOICE_CHROMA
2068	Int numNoSao[2];
2069	numNoSao[0] = 0;// Luma
2070	numNoSao[1] = 0;// Chroma
2071	if( depth > 0 && m_depthSaoRate[0][depth-1] > SAO_ENCODING_RATE )
2072	{
2073	saoParam->bSaoFlag[0] = false;
2074	}
2075	if( depth > 0 && m_depthSaoRate[1][depth-1] > SAO_ENCODING_RATE_CHROMA )
2076	{
2077	saoParam->bSaoFlag[1] = false;
2078	#if !SAO_TYPE_SHARING
2079	saoParam->bSaoFlag[2] = false;
2080	#endif
2081	}
2082	#else
2083	Int numNoSao = 0;
2084
2085	if( depth > 0 && m_depth0SaoRate > SAO_ENCODING_RATE )
2086	{
2087	saoParam->bSaoFlag[0] = false;
2088	saoParam->bSaoFlag[1] = false;
2089	#if !SAO_TYPE_SHARING
2090	saoParam->bSaoFlag[2] = false;
2091	#endif
2092	}
2093	#endif
2094	#endif
2095
2096	for (idxY = 0; idxY< frameHeightInCU; idxY++)
2097	{
2098	for (idxX = 0; idxX< frameWidthInCU; idxX++)
2099	{
2100	addr = idxX + frameWidthInCU*idxY;
2101	addrUp = addr < frameWidthInCU ? -1:idxX + frameWidthInCU*(idxY-1);
2102	addrLeft = idxX == 0 ? -1:idxX-1 + frameWidthInCU*idxY;
2103	#if SAO_SINGLE_MERGE
2104	Int allowMergeLeft = 1;
2105	Int allowMergeUp = 1;
2106	UInt rate;
2107	Double bestCost, mergeCost;
2108	if (idxX!=0)
2109	{
2110	// check tile id and slice id
2111	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
2112	{
2113	allowMergeLeft = 0;
2114	}
2115	}
2116	else
2117	{
2118	allowMergeLeft = 0;
2119	}
2120	if (idxY!=0)
2121	{
2122	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
2123	{
2124	allowMergeUp = 0;
2125	}
2126	}
2127	else
2128	{
2129	allowMergeUp = 0;
2130	}
2131
2132	compDistortion[0] = 0;
2133	compDistortion[1] = 0;
2134	compDistortion[2] = 0;
2135	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2136	if (allowMergeLeft)
2137	{
2138	#if SAO_MERGE_ONE_CTX
2139	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
2140	#else
2141	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeLeft(0, 0);
2142	#endif
2143	}
2144	if (allowMergeUp)
2145	{
2146	#if SAO_MERGE_ONE_CTX
2147	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
2148	#else
2149	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeUp(0);
2150	#endif
2151	}
2152	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2153	#endif
2154	// reset stats Y, Cb, Cr
2155	for ( compIdx=0;compIdx<3;compIdx++)
2156	{
2157	for ( j=0;j<MAX_NUM_SAO_TYPE;j++)
2158	{
2159	for ( k=0;k< MAX_NUM_SAO_CLASS;k++)
2160	{
2161	#if SAO_LCU_BOUNDARY
2162	m_iOffset [compIdx][j][k] = 0;
2163	if( m_saoLcuBasedOptimization && m_saoLcuBoundary ){
2164	m_iCount [compIdx][j][k] = m_count_PreDblk [addr][compIdx][j][k];
2165	m_iOffsetOrg[compIdx][j][k] = m_offsetOrg_PreDblk[addr][compIdx][j][k];
2166	}
2167	else
2168	{
2169	m_iCount [compIdx][j][k] = 0;
2170	m_iOffsetOrg[compIdx][j][k] = 0;
2171	}
2172	#else
2173	m_iCount [compIdx][j][k] = 0;
2174	m_iOffset [compIdx][j][k] = 0;
2175	m_iOffsetOrg[compIdx][j][k] = 0;
2176	#endif
2177	}
2178	}
2179	saoParam->saoLcuParam[compIdx][addr].typeIdx = -1;
2180	saoParam->saoLcuParam[compIdx][addr].mergeUpFlag = 0;
2181	saoParam->saoLcuParam[compIdx][addr].mergeLeftFlag = 0;
2182	#if SAO_TYPE_CODING
2183	saoParam->saoLcuParam[compIdx][addr].subTypeIdx = 0;
2184	#else
2185	saoParam->saoLcuParam[compIdx][addr].bandPosition = 0;
2186	#endif
2187	#if !SAO_TYPE_SHARING
2188	lambdaComp = compIdx==0 ? lambda : lambdaChroma;
2189	#endif
2190	#if SAO_ENCODING_CHOICE
2191	#if SAO_TYPE_SHARING
2192	if( (compIdx ==0 && saoParam->bSaoFlag[0])\|\| (compIdx >0 && saoParam->bSaoFlag[1]) )
2193	#else
2194	if( saoParam->bSaoFlag[compIdx] )
2195	#endif
2196	#endif
2197	{
2198	calcSaoStatsCu(addr, compIdx, compIdx);
2199
2200	#if SAO_TYPE_SHARING
2201	}
2202	}
2203	saoComponentParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, 0, lambda, &mergeSaoParam[0][0], &compDistortion[0]);
2204	sao2ChromaParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, lambdaChroma, &mergeSaoParam[1][0], &mergeSaoParam[2][0], &compDistortion[0]);
2205	#else
2206	#if SAO_SINGLE_MERGE
2207	saoComponentParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, compIdx, lambdaComp, &mergeSaoParam[compIdx][0], &compDistortion[0]);
2208	#else
2209	rdoSaoUnit (idxX, idxY, saoParam, addr, addrUp, addrLeft, compIdx, lambdaComp);
2210	#endif
2211	#if SAO_ENCODING_CHOICE
2212	#if !SAO_SINGLE_MERGE
2213	#if SAO_ENCODING_CHOICE_CHROMA
2214	if( saoParam->saoLcuParam[compIdx][addr].typeIdx == -1)
2215	{
2216	numNoSao[compIdx>0?1:0]++;
2217	}
2218	#else
2219	if( depth == 0 && saoParam->saoLcuParam[compIdx][addr].typeIdx == -1)
2220	{
2221	numNoSao++;
2222	}
2223	#endif
2224	#endif
2225	}
2226	#endif
2227	#if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_3
2228	if (compIdx!=0)
2229	{
2230	if ( saoParam->saoLcuParam[compIdx][0].typeIdx == -1 )
2231	{
2232	saoParam->bSaoFlag[compIdx] = false;
2233	}
2234	}
2235	#endif
2236	}
2237	#endif
2238	#if SAO_SINGLE_MERGE
2239	#if SAO_TYPE_SHARING
2240	if( saoParam->bSaoFlag[0] \|\| saoParam->bSaoFlag[1] )
2241	#else
2242	if( saoParam->bSaoFlag[0] \|\| saoParam->bSaoFlag[1] \|\| saoParam->bSaoFlag[2])
2243	#endif
2244	{
2245	// Cost of new SAO_params
2246	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2247	m_pcRDGoOnSbacCoder->resetBits();
2248	if (allowMergeLeft)
2249	{
2250	#if SAO_MERGE_ONE_CTX
2251	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
2252	#else
2253	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeLeft(0, 0);
2254	#endif
2255	}
2256	if (allowMergeUp)
2257	{
2258	#if SAO_MERGE_ONE_CTX
2259	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
2260	#else
2261	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeUp(0);
2262	#endif
2263	}
2264	for ( compIdx=0;compIdx<3;compIdx++)
2265	{
2266	#if SAO_TYPE_SHARING
2267	if( (compIdx ==0 && saoParam->bSaoFlag[0]) \|\| (compIdx >0 && saoParam->bSaoFlag[1]))
2268	#else
2269	if( saoParam->bSaoFlag[compIdx])
2270	#endif
2271	{
2272	#if SAO_TYPE_SHARING
2273	m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx);
2274	#else
2275	m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr]);
2276	#endif
2277	}
2278	}
2279
2280	rate = m_pcEntropyCoder->getNumberOfWrittenBits();
2281	bestCost = compDistortion[0] + (Double)rate;
2282	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2283
2284	// Cost of Merge
2285	for(Int mergeUp=0; mergeUp<2; ++mergeUp)
2286	{
2287	if ( (allowMergeLeft && (mergeUp==0)) \|\| (allowMergeUp && (mergeUp==1)) )
2288	{
2289	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2290	m_pcRDGoOnSbacCoder->resetBits();
2291	if (allowMergeLeft)
2292	{
2293	#if SAO_MERGE_ONE_CTX
2294	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1-mergeUp);
2295	#else
2296	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeLeft(1-mergeUp, 0);
2297	#endif
2298	}
2299	if ( allowMergeUp && (mergeUp==1) )
2300	{
2301	#if SAO_MERGE_ONE_CTX
2302	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1);
2303	#else
2304	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMergeUp(1);
2305	#endif
2306	}
2307
2308	rate = m_pcEntropyCoder->getNumberOfWrittenBits();
2309	mergeCost = compDistortion[mergeUp+1] + (Double)rate;
2310	if (mergeCost < bestCost)
2311	{
2312	bestCost = mergeCost;
2313	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2314	for ( compIdx=0;compIdx<3;compIdx++)
2315	{
2316	mergeSaoParam[compIdx][mergeUp].mergeLeftFlag = 1-mergeUp;
2317	mergeSaoParam[compIdx][mergeUp].mergeUpFlag = mergeUp;
2318	#if SAO_TYPE_SHARING
2319	if( (compIdx==0 && saoParam->bSaoFlag[0]) \|\| (compIdx>0 && saoParam->bSaoFlag[1]))
2320	#else
2321	if( saoParam->bSaoFlag[compIdx])
2322	#endif
2323	{
2324	copySaoUnit(&saoParam->saoLcuParam[compIdx][addr], &mergeSaoParam[compIdx][mergeUp] );
2325	}
2326	}
2327	}
2328	}
2329	}
2330	#if SAO_ENCODING_CHOICE
2331	#if SAO_ENCODING_CHOICE_CHROMA
2332	if( saoParam->saoLcuParam[0][addr].typeIdx == -1)
2333	{
2334	numNoSao[0]++;
2335	}
2336	#if SAO_TYPE_SHARING
2337	if( saoParam->saoLcuParam[1][addr].typeIdx == -1)
2338	{
2339	numNoSao[1]+=2;
2340	}
2341	#else
2342	if( saoParam->saoLcuParam[1][addr].typeIdx == -1)
2343	{
2344	numNoSao[1]++;
2345	}
2346	if( saoParam->saoLcuParam[2][addr].typeIdx == -1)
2347	{
2348	numNoSao[1]++;
2349	}
2350	#endif
2351	#else
2352	for ( compIdx=0;compIdx<3;compIdx++)
2353	{
2354	if( depth == 0 && saoParam->saoLcuParam[compIdx][addr].typeIdx == -1)
2355	{
2356	numNoSao++;
2357	}
2358	}
2359	#endif
2360	#endif
2361	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2362	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2363	}
2364	#endif
2365	}
2366	}
2367	#if SAO_ENCODING_CHOICE
2368	#if SAO_ENCODING_CHOICE_CHROMA
2369	m_depthSaoRate[0][depth] = numNoSao[0]/((Double) frameHeightInCU*frameWidthInCU);
2370	m_depthSaoRate[1][depth] = numNoSao[1]/((Double) frameHeightInCUframeWidthInCU2);
2371	#else
2372	if( depth == 0)
2373	{
2374	// update SAO Rate
2375	m_depth0SaoRate = numNoSao/((Double) frameHeightInCUframeWidthInCU3);
2376	}
2377	#endif
2378	#endif
2379
2380	}
2381	/** rate distortion optimization of SAO unit
2382	* \param saoParam SAO parameters
2383	* \param addr address
2384	* \param addrUp above address
2385	* \param addrLeft left address
2386	* \param yCbCr color component index
2387	* \param lambda
2388	*/
2389	inline Int64 TEncSampleAdaptiveOffset::estSaoTypeDist(Int compIdx, Int typeIdx, Int shift, Double lambda, Int currentDistortionTableBo, Double currentRdCostTableBo)
2390	{
2391	Int64 estDist = 0;
2392	Int classIdx;
2393	for(classIdx=1; classIdx < ( (typeIdx < SAO_BO) ? m_iNumClass[typeIdx]+1 : SAO_MAX_BO_CLASSES+1); classIdx++)
2394	{
2395	if( typeIdx == SAO_BO)
2396	{
2397	currentDistortionTableBo[classIdx-1] = 0;
2398	currentRdCostTableBo[classIdx-1] = lambda;
2399	}
2400	if(m_iCount [compIdx][typeIdx][classIdx])
2401	{
2402	#if FULL_NBIT
2403	m_iOffset[compIdx][typeIdx][classIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[compIdx][typeIdx][classIdx]<<g_uiBitDepth-8) / (Double)(m_iCount [compIdx][typeIdx][classIdx]<<m_uiSaoBitIncrease));
2404	#else
2405	m_iOffset[compIdx][typeIdx][classIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[compIdx][typeIdx][classIdx]<<g_uiBitIncrement) / (Double)(m_iCount [compIdx][typeIdx][classIdx]<<m_uiSaoBitIncrease));
2406	#endif
2407	m_iOffset[compIdx][typeIdx][classIdx] = Clip3(-m_iOffsetTh+1, m_iOffsetTh-1, (Int)m_iOffset[compIdx][typeIdx][classIdx]);
2408	if (typeIdx < 4)
2409	{
2410	if ( m_iOffset[compIdx][typeIdx][classIdx]<0 && classIdx<3 )
2411	{
2412	m_iOffset[compIdx][typeIdx][classIdx] = 0;
2413	}
2414	if ( m_iOffset[compIdx][typeIdx][classIdx]>0 && classIdx>=3)
2415	{
2416	m_iOffset[compIdx][typeIdx][classIdx] = 0;
2417	}
2418	}
2419	m_iOffset[compIdx][typeIdx][classIdx] = estIterOffset( typeIdx, classIdx, lambda, m_iOffset[compIdx][typeIdx][classIdx], m_iCount [compIdx][typeIdx][classIdx], m_iOffsetOrg[compIdx][typeIdx][classIdx], shift, m_uiSaoBitIncrease, currentDistortionTableBo, currentRdCostTableBo );
2420	}
2421	else
2422	{
2423	m_iOffsetOrg[compIdx][typeIdx][classIdx] = 0;
2424	m_iOffset[compIdx][typeIdx][classIdx] = 0;
2425	}
2426	if( typeIdx != SAO_BO )
2427	{
2428	estDist += estSaoDist( m_iCount [compIdx][typeIdx][classIdx], m_iOffset[compIdx][typeIdx][classIdx] << m_uiSaoBitIncrease, m_iOffsetOrg[compIdx][typeIdx][classIdx], shift);
2429	}
2430
2431	}
2432	return estDist;
2433	}
2434
2435	inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 offsetOrg, Int shift)
2436	{
2437	return (( countoffsetoffset-offsetOrgoffset2 ) >> shift);
2438	}
2439	inline Int64 TEncSampleAdaptiveOffset::estIterOffset(Int typeIdx, Int classIdx, double lambda, Int64 offsetInput, Int64 count, Int64 offsetOrg, Int shift, Int bitIncrease, Int currentDistortionTableBo, Double currentRdCostTableBo )
2440	{
2441	//Clean up, best_q_offset.
2442	Int64 iterOffset, tempOffset;
2443	Int64 tempDist, tempRate;
2444	Double tempCost, tempMinCost;
2445	Int64 offsetOutput = 0;
2446	iterOffset = offsetInput;
2447	// Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here.
2448	tempMinCost = lambda;
2449	while (iterOffset != 0)
2450	{
2451	// Calculate the bits required for signalling the offset
2452	tempRate = (typeIdx == SAO_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1);
2453	if (abs((Int)iterOffset)==m_iOffsetTh-1)
2454	{
2455	tempRate --;
2456	}
2457	// Do the dequntization before distorion calculation
2458	tempOffset = iterOffset << bitIncrease;
2459	tempDist = estSaoDist( count, tempOffset, offsetOrg, shift);
2460	tempCost = ((Double)tempDist + lambda * (Double) tempRate);
2461	if(tempCost < tempMinCost)
2462	{
2463	tempMinCost = tempCost;
2464	offsetOutput = iterOffset;
2465	if(typeIdx == SAO_BO)
2466	{
2467	currentDistortionTableBo[classIdx-1] = (Int) tempDist;
2468	currentRdCostTableBo[classIdx-1] = tempCost;
2469	}
2470	}
2471	iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1);
2472	}
2473	return offsetOutput;
2474	}
2475
2476
2477	#if SAO_SINGLE_MERGE
2478	Void TEncSampleAdaptiveOffset::saoComponentParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda, SaoLcuParam compSaoParam, Double *compDistortion)
2479	{
2480	Int typeIdx;
2481
2482	Int64 estDist;
2483	Int classIdx;
2484	Int shift = g_uiBitIncrement << 1;
2485	Int64 bestDist;
2486
2487	SaoLcuParam* saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]);
2488	SaoLcuParam* saoLcuParamNeighbor = NULL;
2489
2490	resetSaoUnit(saoLcuParam);
2491	resetSaoUnit(&compSaoParam[0]);
2492	resetSaoUnit(&compSaoParam[1]);
2493
2494
2495	Double dCostPartBest = MAX_DOUBLE;
2496
2497	Double bestRDCostTableBo = MAX_DOUBLE;
2498	Int bestClassTableBo = 0;
2499	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
2500	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
2501
2502
2503	SaoLcuParam saoLcuParamRdo;
2504	Double estRate = 0;
2505
2506	resetSaoUnit(&saoLcuParamRdo);
2507
2508	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2509	m_pcRDGoOnSbacCoder->resetBits();
2510	#if SAO_TYPE_SHARING
2511	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr);
2512	#else
2513	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo);
2514	#endif
2515
2516	dCostPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
2517	copySaoUnit(saoLcuParam, &saoLcuParamRdo );
2518	bestDist = 0;
2519
2520
2521
2522	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
2523	{
2524	estDist = estSaoTypeDist(yCbCr, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2525
2526	if( typeIdx == SAO_BO )
2527	{
2528	// Estimate Best Position
2529	Double currentRDCost = 0.0;
2530
2531	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
2532	{
2533	currentRDCost = 0.0;
2534	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
2535	{
2536	currentRDCost += currentRdCostTableBo[uj];
2537	}
2538
2539	if( currentRDCost < bestRDCostTableBo)
2540	{
2541	bestRDCostTableBo = currentRDCost;
2542	bestClassTableBo = i;
2543	}
2544	}
2545
2546	// Re code all Offsets
2547	// Code Center
2548	estDist = 0;
2549	for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++)
2550	{
2551	estDist += currentDistortionTableBo[classIdx];
2552	}
2553	}
2554	resetSaoUnit(&saoLcuParamRdo);
2555	saoLcuParamRdo.length = m_iNumClass[typeIdx];
2556	saoLcuParamRdo.typeIdx = typeIdx;
2557	saoLcuParamRdo.mergeLeftFlag = 0;
2558	saoLcuParamRdo.mergeUpFlag = 0;
2559	#if SAO_TYPE_CODING
2560	saoLcuParamRdo.subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo : 0;
2561	#else
2562	saoLcuParamRdo.bandPosition = (typeIdx == SAO_BO) ? bestClassTableBo : 0;
2563	#endif
2564	for (classIdx = 0; classIdx < saoLcuParamRdo.length; classIdx++)
2565	{
2566	#if SAO_TYPE_CODING
2567	saoLcuParamRdo.offset[classIdx] = (Int)m_iOffset[yCbCr][typeIdx][classIdx+saoLcuParamRdo.subTypeIdx+1];
2568	#else
2569	saoLcuParamRdo.offset[classIdx] = (Int)m_iOffset[yCbCr][typeIdx][classIdx+saoLcuParamRdo.bandPosition+1];
2570	#endif
2571	}
2572	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2573	m_pcRDGoOnSbacCoder->resetBits();
2574	#if SAO_TYPE_SHARING
2575	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr);
2576	#else
2577	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo);
2578	#endif
2579
2580	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
2581	m_dCost[yCbCr][typeIdx] = (Double)((Double)estDist + lambda * (Double) estRate);
2582
2583	if(m_dCost[yCbCr][typeIdx] < dCostPartBest)
2584	{
2585	dCostPartBest = m_dCost[yCbCr][typeIdx];
2586	copySaoUnit(saoLcuParam, &saoLcuParamRdo );
2587	bestDist = estDist;
2588	}
2589	}
2590	compDistortion[0] += ((Double)bestDist/lambda);
2591	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2592	#if SAO_TYPE_SHARING
2593	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam, yCbCr);
2594	#else
2595	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam);
2596	#endif
2597	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2598
2599
2600	// merge left or merge up
2601
2602	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
2603	{
2604	saoLcuParamNeighbor = NULL;
2605	if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0)
2606	{
2607	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]);
2608	}
2609	else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1)
2610	{
2611	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]);
2612	}
2613	if (saoLcuParamNeighbor!=NULL)
2614	{
2615	estDist = 0;
2616	typeIdx = saoLcuParamNeighbor->typeIdx;
2617	if (typeIdx>=0)
2618	{
2619	#if SAO_TYPE_CODING
2620	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor->subTypeIdx:0;
2621	#else
2622	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor->bandPosition:0;
2623	#endif
2624	Int merge_iOffset;
2625	for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++)
2626	{
2627	merge_iOffset = saoLcuParamNeighbor->offset[classIdx];
2628	estDist += estSaoDist(m_iCount [yCbCr][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[yCbCr][typeIdx][classIdx+mergeBandPosition+1], shift);
2629	}
2630	}
2631	else
2632	{
2633	estDist = 0;
2634	}
2635
2636	copySaoUnit(&compSaoParam[idxNeighbor], saoLcuParamNeighbor );
2637	compSaoParam[idxNeighbor].mergeUpFlag = idxNeighbor;
2638	compSaoParam[idxNeighbor].mergeLeftFlag = !idxNeighbor;
2639
2640	compDistortion[idxNeighbor+1] += ((Double)estDist/lambda);
2641	}
2642	}
2643	}
2644	#if SAO_TYPE_SHARING
2645	Void TEncSampleAdaptiveOffset::sao2ChromaParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam saoParam, Int addr, Int addrUp, Int addrLeft, Double lambda, SaoLcuParam crSaoParam, SaoLcuParam cbSaoParam, Double distortion)
2646	{
2647	Int typeIdx;
2648
2649	Int64 estDist[2];
2650	Int classIdx;
2651	Int shift = g_uiBitIncrement << 1;
2652	Int64 bestDist = 0;
2653
2654	SaoLcuParam* saoLcuParam[2] = {&(saoParam->saoLcuParam[1][addr]), &(saoParam->saoLcuParam[2][addr])};
2655	SaoLcuParam* saoLcuParamNeighbor[2] = {NULL, NULL};
2656	SaoLcuParam* saoMergeParam[2][2];
2657	saoMergeParam[0][0] = &crSaoParam[0];
2658	saoMergeParam[0][1] = &crSaoParam[1];
2659	saoMergeParam[1][0] = &cbSaoParam[0];
2660	saoMergeParam[1][1] = &cbSaoParam[1];
2661
2662	resetSaoUnit(saoLcuParam[0]);
2663	resetSaoUnit(saoLcuParam[1]);
2664	resetSaoUnit(saoMergeParam[0][0]);
2665	resetSaoUnit(saoMergeParam[0][1]);
2666	resetSaoUnit(saoMergeParam[1][0]);
2667	resetSaoUnit(saoMergeParam[1][1]);
2668
2669
2670	Double costPartBest = MAX_DOUBLE;
2671
2672	Double bestRDCostTableBo;
2673	Int bestClassTableBo[2] = {0, 0};
2674	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
2675	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
2676
2677	SaoLcuParam saoLcuParamRdo[2];
2678	Double estRate = 0;
2679
2680	resetSaoUnit(&saoLcuParamRdo[0]);
2681	resetSaoUnit(&saoLcuParamRdo[1]);
2682
2683	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2684	m_pcRDGoOnSbacCoder->resetBits();
2685	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[0], 1);
2686	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[1], 2);
2687
2688	costPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
2689	copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] );
2690	copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] );
2691
2692	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
2693	{
2694	if( typeIdx == SAO_BO )
2695	{
2696	// Estimate Best Position
2697	for(Int compIdx = 0; compIdx < 2; compIdx++)
2698	{
2699	Double currentRDCost = 0.0;
2700	bestRDCostTableBo = MAX_DOUBLE;
2701	estDist[compIdx] = estSaoTypeDist(compIdx+1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2702	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
2703	{
2704	currentRDCost = 0.0;
2705	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
2706	{
2707	currentRDCost += currentRdCostTableBo[uj];
2708	}
2709
2710	if( currentRDCost < bestRDCostTableBo)
2711	{
2712	bestRDCostTableBo = currentRDCost;
2713	bestClassTableBo[compIdx] = i;
2714	}
2715	}
2716
2717	// Re code all Offsets
2718	// Code Center
2719	estDist[compIdx] = 0;
2720	for(classIdx = bestClassTableBo[compIdx]; classIdx < bestClassTableBo[compIdx]+SAO_BO_LEN; classIdx++)
2721	{
2722	estDist[compIdx] += currentDistortionTableBo[classIdx];
2723	}
2724	}
2725	}
2726	else
2727	{
2728	estDist[0] = estSaoTypeDist(1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2729	estDist[1] = estSaoTypeDist(2, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2730	}
2731
2732	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2733	m_pcRDGoOnSbacCoder->resetBits();
2734
2735	for(Int compIdx = 0; compIdx < 2; compIdx++)
2736	{
2737	resetSaoUnit(&saoLcuParamRdo[compIdx]);
2738	saoLcuParamRdo[compIdx].length = m_iNumClass[typeIdx];
2739	saoLcuParamRdo[compIdx].typeIdx = typeIdx;
2740	saoLcuParamRdo[compIdx].mergeLeftFlag = 0;
2741	saoLcuParamRdo[compIdx].mergeUpFlag = 0;
2742	#if SAO_TYPE_CODING
2743	saoLcuParamRdo[compIdx].subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo[compIdx] : 0;
2744	#else
2745	saoLcuParamRdo[compIdx].bandPosition = (typeIdx == SAO_BO) ? bestClassTableBo[compIdx] : 0;
2746	#endif
2747	for (classIdx = 0; classIdx < saoLcuParamRdo[compIdx].length; classIdx++)
2748	{
2749	#if SAO_TYPE_CODING
2750	saoLcuParamRdo[compIdx].offset[classIdx] = (Int)m_iOffset[compIdx+1][typeIdx][classIdx+saoLcuParamRdo[compIdx].subTypeIdx+1];
2751	#else
2752	saoLcuParamRdo[compIdx].offset[classIdx] = (Int)m_iOffset[compIdx+1][typeIdx][classIdx+saoLcuParamRdo[compIdx].bandPosition+1];
2753	#endif
2754	}
2755
2756	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[compIdx], compIdx+1);
2757	}
2758	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
2759	m_dCost[1][typeIdx] = (Double)((Double)(estDist[0] + estDist[1]) + lambda * (Double) estRate);
2760
2761	if(m_dCost[1][typeIdx] < costPartBest)
2762	{
2763	costPartBest = m_dCost[1][typeIdx];
2764	copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] );
2765	copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] );
2766	bestDist = (estDist[0]+estDist[1]);
2767	}
2768	}
2769
2770	distortion[0] += ((Double)bestDist/lambda);
2771	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2772	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[0], 1);
2773	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[1], 2);
2774	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2775
2776	// merge left or merge up
2777
2778	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
2779	{
2780	for(Int compIdx = 0; compIdx < 2; compIdx++)
2781	{
2782	saoLcuParamNeighbor[compIdx] = NULL;
2783	if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0)
2784	{
2785	saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrLeft]);
2786	}
2787	else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1)
2788	{
2789	saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrUp]);
2790	}
2791	if (saoLcuParamNeighbor[compIdx]!=NULL)
2792	{
2793	estDist[compIdx] = 0;
2794	typeIdx = saoLcuParamNeighbor[compIdx]->typeIdx;
2795	if (typeIdx>=0)
2796	{
2797	#if SAO_TYPE_CODING
2798	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor[compIdx]->subTypeIdx:0;
2799	#else
2800	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor[compIdx]->bandPosition:0;
2801	#endif
2802	Int merge_iOffset;
2803	for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++)
2804	{
2805	merge_iOffset = saoLcuParamNeighbor[compIdx]->offset[classIdx];
2806	estDist[compIdx] += estSaoDist(m_iCount [compIdx+1][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[compIdx+1][typeIdx][classIdx+mergeBandPosition+1], shift);
2807	}
2808	}
2809	else
2810	{
2811	estDist[compIdx] = 0;
2812	}
2813
2814	copySaoUnit(saoMergeParam[compIdx][idxNeighbor], saoLcuParamNeighbor[compIdx] );
2815	saoMergeParam[compIdx][idxNeighbor]->mergeUpFlag = idxNeighbor;
2816	saoMergeParam[compIdx][idxNeighbor]->mergeLeftFlag = !idxNeighbor;
2817	distortion[idxNeighbor+1] += ((Double)estDist[compIdx]/lambda);
2818	}
2819	}
2820	}
2821	}
2822	#endif
2823	#else
2824	Void TEncSampleAdaptiveOffset::rdoSaoUnit(Int rx, Int ry, SAOParam *saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda)
2825	{
2826	Int typeIdx;
2827
2828	Int64 estDist;
2829	Int classIdx;
2830	Int shift = g_uiBitIncrement << 1;
2831	// Double dAreaWeight = 0;
2832	SaoLcuParam* saoLcuParam = NULL;
2833	SaoLcuParam* saoLcuParamNeighbor = NULL;
2834	Int merge_iOffset [33];
2835	Double merge_dCost;
2836	saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]);
2837	saoLcuParam->mergeUpFlag = 0;
2838	saoLcuParam->mergeLeftFlag = 0;
2839
2840	m_iTypePartBest[yCbCr] = -1;
2841	m_dCostPartBest[yCbCr] = MAX_DOUBLE;
2842
2843	Double bestRDCostTableBo = MAX_DOUBLE;
2844	Int bestClassTableBo = 0;
2845	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
2846	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
2847	Int bestClassTableBoMerge = 0;
2848
2849	SaoLcuParam saoLcuParamRdo;
2850	Double estRate = 0;
2851
2852	resetSaoUnit(saoLcuParam);
2853	resetSaoUnit(&saoLcuParamRdo);
2854
2855	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2856	m_pcRDGoOnSbacCoder->resetBits();
2857	Int allowMergeLeft = 1;
2858	Int allowMergeUp = 1;
2859	if (rx!=0)
2860	{
2861	// check tile id and slice id
2862	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
2863	{
2864	allowMergeLeft = 0;
2865	}
2866	}
2867	if (ry!=0)
2868	{
2869	if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) \|\| (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx()))
2870	{
2871	allowMergeUp = 0;
2872	}
2873	}
2874	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
2875	m_dCostPartBest[yCbCr] = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
2876	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2877
2878	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
2879	{
2880	estDist = estSaoTypeDist(yCbCr, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2881
2882	if( typeIdx == SAO_BO )
2883	{
2884	// Estimate Best Position
2885	Double currentRDCost = 0.0;
2886
2887	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
2888	{
2889	currentRDCost = 0.0;
2890	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
2891	{
2892	currentRDCost += currentRdCostTableBo[uj];
2893	}
2894
2895	if( currentRDCost < bestRDCostTableBo)
2896	{
2897	bestRDCostTableBo = currentRDCost;
2898	bestClassTableBo = i;
2899	}
2900	}
2901
2902	// Re code all Offsets
2903	// Code Center
2904	estDist = 0;
2905	for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++)
2906	{
2907	estDist += currentDistortionTableBo[classIdx];
2908	}
2909	}
2910	resetSaoUnit(&saoLcuParamRdo);
2911	saoLcuParamRdo.length = m_iNumClass[typeIdx];
2912	saoLcuParamRdo.typeIdx = typeIdx;
2913	saoLcuParamRdo.mergeLeftFlag = 0;
2914	saoLcuParamRdo.mergeUpFlag = 0;
2915	saoLcuParamRdo.bandPosition = (typeIdx == SAO_BO) ? bestClassTableBo : 0;
2916	for (classIdx = 0; classIdx < saoLcuParamRdo.length; classIdx++)
2917	{
2918	saoLcuParamRdo.offset[classIdx] = (Int)m_iOffset[yCbCr][typeIdx][classIdx+saoLcuParamRdo.bandPosition+1];
2919	}
2920	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2921	m_pcRDGoOnSbacCoder->resetBits();
2922	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
2923	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
2924	m_dCost[yCbCr][typeIdx] = (Double)((Double)estDist + lambda * (Double) estRate);
2925
2926	if(m_dCost[yCbCr][typeIdx] < m_dCostPartBest[yCbCr])
2927	{
2928	m_dCostPartBest[yCbCr] = m_dCost[yCbCr][typeIdx];
2929	m_iTypePartBest[yCbCr] = typeIdx;
2930	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2931	}
2932	}
2933
2934	// merge left or merge up
2935
2936	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
2937	{
2938	saoLcuParamNeighbor = NULL;
2939	if (addrLeft>=0 && idxNeighbor ==0)
2940	{
2941	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]);
2942	}
2943	else if (addrUp>=0 && idxNeighbor ==1)
2944	{
2945	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]);
2946	}
2947	if (saoLcuParamNeighbor!=NULL)
2948	{
2949	Int mergeBandPosition = 0;
2950	estDist = 0;
2951	typeIdx = saoLcuParamNeighbor->typeIdx;
2952	if (saoLcuParamNeighbor->typeIdx>=0) //new
2953	{
2954	mergeBandPosition = (saoLcuParamNeighbor->typeIdx == SAO_BO)?saoLcuParamNeighbor->bandPosition:0;
2955	for(classIdx = mergeBandPosition+1; classIdx < mergeBandPosition+m_iNumClass[typeIdx]+1; classIdx++)
2956	{
2957	merge_iOffset[classIdx] = saoLcuParamNeighbor->offset[classIdx-1-saoLcuParamNeighbor->bandPosition];
2958	estDist += estSaoDist(m_iCount [yCbCr][typeIdx][classIdx], merge_iOffset[classIdx], m_iOffsetOrg[yCbCr][typeIdx][classIdx], shift);
2959	}
2960	}
2961	else
2962	{
2963	saoLcuParamRdo.typeIdx = -1;
2964	saoLcuParamRdo.length = 0;
2965	estDist = 0;
2966	}
2967	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2968	m_pcRDGoOnSbacCoder->resetBits();
2969	saoLcuParamRdo.mergeUpFlag = idxNeighbor;
2970	saoLcuParamRdo.mergeLeftFlag = !idxNeighbor;
2971	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
2972	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
2973
2974	merge_dCost = (Double)((Double)estDist + m_dLambdaLuma * estRate) ;
2975
2976	if(merge_dCost < m_dCostPartBest[yCbCr])
2977	{
2978	m_dCostPartBest[yCbCr] = merge_dCost;
2979	m_iTypePartBest[yCbCr] = typeIdx;
2980	if (typeIdx>=0)
2981	{
2982	bestClassTableBoMerge = mergeBandPosition;
2983	for(classIdx = mergeBandPosition+1; classIdx < mergeBandPosition+m_iNumClass[typeIdx]+1; classIdx++)
2984	{
2985	m_iOffset[yCbCr][typeIdx][classIdx] = merge_iOffset[classIdx];
2986	}
2987	}
2988	saoLcuParam->mergeUpFlag = idxNeighbor;
2989	saoLcuParam->mergeLeftFlag = !idxNeighbor;
2990	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2991	}
2992	}
2993	}
2994
2995	saoLcuParam->typeIdx = m_iTypePartBest[yCbCr];
2996	if (saoLcuParam->typeIdx != -1)
2997	{
2998	saoLcuParam->length = m_iNumClass[saoLcuParam->typeIdx];
2999	Int minIndex = 0;
3000	if( saoLcuParam->typeIdx == SAO_BO )
3001	{
3002	if ((saoLcuParam->mergeUpFlag )\|\|(saoLcuParam->mergeLeftFlag))
3003	{
3004	saoLcuParam->bandPosition = bestClassTableBoMerge;
3005	}
3006	else
3007	{
3008	saoLcuParam->bandPosition = bestClassTableBo;
3009	}
3010	minIndex = saoLcuParam->bandPosition;
3011	}
3012	for (Int i=0; i< saoLcuParam->length ; i++)
3013	{
3014	saoLcuParam->offset[i] = (Int) m_iOffset[yCbCr][saoLcuParam->typeIdx][minIndex+i+1];
3015	}
3016	}
3017	else
3018	{
3019	saoLcuParam->length = 0;
3020	}
3021
3022	m_pcRDGoOnSbacCoder->load ( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
3023	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_CURR_BEST] );
3024	}
3025	#endif
3026
3027	//! \}

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