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source: SHVCSoftware/branches/SHM-2.1-multilayers-dev/source/Lib/TLibEncoder/TEncSampleAdaptiveOffset.cpp

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Last change on this file was 191, checked in by seregin, 12 years ago
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1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2013, ITU/ISO/IEC
7	* All rights reserved.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions are met:
11	*
12	* * Redistributions of source code must retain the above copyright notice,
13	* this list of conditions and the following disclaimer.
14	* * Redistributions in binary form must reproduce the above copyright notice,
15	* this list of conditions and the following disclaimer in the documentation
16	* and/or other materials provided with the distribution.
17	* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18	* be used to endorse or promote products derived from this software without
19	* specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31	* THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34	/**
35	\file TEncSampleAdaptiveOffset.cpp
36	\brief estimation part of sample adaptive offset class
37	*/
38	#include "TEncSampleAdaptiveOffset.h"
39	#include <string.h>
40	#include <stdlib.h>
41	#include <stdio.h>
42	#include <math.h>
43
44	//! \ingroup TLibEncoder
45	//! \{
46
47	TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset()
48	{
49	m_pcEntropyCoder = NULL;
50	m_pppcRDSbacCoder = NULL;
51	m_pcRDGoOnSbacCoder = NULL;
52	m_pppcBinCoderCABAC = NULL;
53	m_iCount = NULL;
54	m_iOffset = NULL;
55	m_iOffsetOrg = NULL;
56	m_iRate = NULL;
57	m_iDist = NULL;
58	m_dCost = NULL;
59	m_dCostPartBest = NULL;
60	m_iDistOrg = NULL;
61	m_iTypePartBest = NULL;
62	#if SAO_ENCODING_CHOICE_CHROMA
63	m_depthSaoRate[0][0] = 0;
64	m_depthSaoRate[0][1] = 0;
65	m_depthSaoRate[0][2] = 0;
66	m_depthSaoRate[0][3] = 0;
67	m_depthSaoRate[1][0] = 0;
68	m_depthSaoRate[1][1] = 0;
69	m_depthSaoRate[1][2] = 0;
70	m_depthSaoRate[1][3] = 0;
71	#endif
72	}
73	TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset()
74	{
75
76	}
77	// ====================================================================================================================
78	// Constants
79	// ====================================================================================================================
80
81
82	// ====================================================================================================================
83	// Tables
84	// ====================================================================================================================
85
86	inline Double xRoundIbdi2(Int bitDepth, Double x)
87	{
88	return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))) : ((Int)(((Int)(x)-(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))));
89	}
90
91	/** rounding with IBDI
92	* \param x
93	*/
94	inline Double xRoundIbdi(Int bitDepth, Double x)
95	{
96	return (bitDepth > 8 ? xRoundIbdi2(bitDepth, (x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ;
97	}
98
99
100
101	/** process SAO for one partition
102	* \param *psQTPart, iPartIdx, dLambda
103	*/
104	Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda, Int yCbCr)
105	{
106	Int iTypeIdx;
107	Int iNumTotalType = MAX_NUM_SAO_TYPE;
108	SAOQTPart* pOnePart = &(psQTPart[iPartIdx]);
109
110	Int64 iEstDist;
111	Int iClassIdx;
112	Int uiShift = 2 * DISTORTION_PRECISION_ADJUSTMENT((yCbCr == 0 ? g_bitDepthY : g_bitDepthC)-8);
113	UInt uiDepth = pOnePart->PartLevel;
114
115	m_iDistOrg [iPartIdx] = 0;
116
117	Double bestRDCostTableBo = MAX_DOUBLE;
118	Int bestClassTableBo = 0;
119	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
120	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
121
122	Int addr;
123	Int allowMergeLeft;
124	Int allowMergeUp;
125	Int frameWidthInCU = m_pcPic->getFrameWidthInCU();
126	SaoLcuParam saoLcuParamRdo;
127
128	for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++)
129	{
130	if( m_bUseSBACRD )
131	{
132	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
133	m_pcRDGoOnSbacCoder->resetBits();
134	}
135	else
136	{
137	m_pcEntropyCoder->resetEntropy();
138	m_pcEntropyCoder->resetBits();
139	}
140
141	iEstDist = 0;
142
143	if (iTypeIdx == -1)
144	{
145	for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++)
146	{
147	for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++)
148	{
149	addr = ry * frameWidthInCU + rx;
150
151	// get bits for iTypeIdx = -1
152	allowMergeLeft = 1;
153	allowMergeUp = 1;
154	if (rx != 0)
155	{
156	// check tile id and slice id
157	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()))
158	{
159	allowMergeLeft = 0;
160	}
161	}
162	if (ry!=0)
163	{
164	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()))
165	{
166	allowMergeUp = 0;
167	}
168	}
169
170	// reset
171	resetSaoUnit(&saoLcuParamRdo);
172
173	// set merge flag
174	saoLcuParamRdo.mergeUpFlag = 1;
175	saoLcuParamRdo.mergeLeftFlag = 1;
176
177	if (ry == pOnePart->StartCUY)
178	{
179	saoLcuParamRdo.mergeUpFlag = 0;
180	}
181
182	if (rx == pOnePart->StartCUX)
183	{
184	saoLcuParamRdo.mergeLeftFlag = 0;
185	}
186
187	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
188
189	}
190	}
191	}
192
193	if (iTypeIdx>=0)
194	{
195	iEstDist = estSaoTypeDist(iPartIdx, iTypeIdx, uiShift, dLambda, currentDistortionTableBo, currentRdCostTableBo);
196	if( iTypeIdx == SAO_BO )
197	{
198	// Estimate Best Position
199	Double currentRDCost = 0.0;
200
201	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
202	{
203	currentRDCost = 0.0;
204	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
205	{
206	currentRDCost += currentRdCostTableBo[uj];
207	}
208
209	if( currentRDCost < bestRDCostTableBo)
210	{
211	bestRDCostTableBo = currentRDCost;
212	bestClassTableBo = i;
213	}
214	}
215
216	// Re code all Offsets
217	// Code Center
218	for(iClassIdx = bestClassTableBo; iClassIdx < bestClassTableBo+SAO_BO_LEN; iClassIdx++)
219	{
220	iEstDist += currentDistortionTableBo[iClassIdx];
221	}
222	}
223
224	for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++)
225	{
226	for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++)
227	{
228	addr = ry * frameWidthInCU + rx;
229
230	// get bits for iTypeIdx = -1
231	allowMergeLeft = 1;
232	allowMergeUp = 1;
233	if (rx != 0)
234	{
235	// check tile id and slice id
236	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()))
237	{
238	allowMergeLeft = 0;
239	}
240	}
241	if (ry!=0)
242	{
243	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()))
244	{
245	allowMergeUp = 0;
246	}
247	}
248
249	// reset
250	resetSaoUnit(&saoLcuParamRdo);
251
252	// set merge flag
253	saoLcuParamRdo.mergeUpFlag = 1;
254	saoLcuParamRdo.mergeLeftFlag = 1;
255
256	if (ry == pOnePart->StartCUY)
257	{
258	saoLcuParamRdo.mergeUpFlag = 0;
259	}
260
261	if (rx == pOnePart->StartCUX)
262	{
263	saoLcuParamRdo.mergeLeftFlag = 0;
264	}
265
266	// set type and offsets
267	saoLcuParamRdo.typeIdx = iTypeIdx;
268	saoLcuParamRdo.subTypeIdx = (iTypeIdx==SAO_BO)?bestClassTableBo:0;
269	saoLcuParamRdo.length = m_iNumClass[iTypeIdx];
270	for (iClassIdx = 0; iClassIdx < saoLcuParamRdo.length; iClassIdx++)
271	{
272	saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.subTypeIdx+1];
273	}
274
275	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
276
277	}
278	}
279
280	m_iDist[iPartIdx][iTypeIdx] = iEstDist;
281	m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits();
282
283	m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]);
284
285	if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx])
286	{
287	m_iDistOrg [iPartIdx] = 0;
288	m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx];
289	m_iTypePartBest[iPartIdx] = iTypeIdx;
290	if( m_bUseSBACRD )
291	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] );
292	}
293	}
294	else
295	{
296	if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] )
297	{
298	m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ;
299	m_iTypePartBest[iPartIdx] = -1;
300	if( m_bUseSBACRD )
301	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] );
302	}
303	}
304	}
305
306	pOnePart->bProcessed = true;
307	pOnePart->bSplit = false;
308	pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx];
309	pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0);
310	pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate;
311	pOnePart->iBestType = m_iTypePartBest[iPartIdx];
312	if (pOnePart->iBestType != -1)
313	{
314	// pOnePart->bEnableFlag = 1;
315	pOnePart->iLength = m_iNumClass[pOnePart->iBestType];
316	Int minIndex = 0;
317	if( pOnePart->iBestType == SAO_BO )
318	{
319	pOnePart->subTypeIdx = bestClassTableBo;
320	minIndex = pOnePart->subTypeIdx;
321	}
322	for (Int i=0; i< pOnePart->iLength ; i++)
323	{
324	pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][minIndex+i+1];
325	}
326
327	}
328	else
329	{
330	// pOnePart->bEnableFlag = 0;
331	pOnePart->iLength = 0;
332	}
333	}
334
335	/** Run partition tree disable
336	*/
337	Void TEncSampleAdaptiveOffset::disablePartTree(SAOQTPart *psQTPart, Int iPartIdx)
338	{
339	SAOQTPart* pOnePart= &(psQTPart[iPartIdx]);
340	pOnePart->bSplit = false;
341	pOnePart->iLength = 0;
342	pOnePart->iBestType = -1;
343
344	if (pOnePart->PartLevel < m_uiMaxSplitLevel)
345	{
346	for (Int i=0; i<NUM_DOWN_PART; i++)
347	{
348	disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]);
349	}
350	}
351	}
352
353	/** Run quadtree decision function
354	* \param iPartIdx, pcPicOrg, pcPicDec, pcPicRest, &dCostFinal
355	*/
356	Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda, Int yCbCr)
357	{
358	SAOQTPart* pOnePart = &(psQTPart[iPartIdx]);
359
360	UInt uiDepth = pOnePart->PartLevel;
361	UInt uhNextDepth = uiDepth+1;
362
363	if (iPartIdx == 0)
364	{
365	dCostFinal = 0;
366	}
367
368	//SAO for this part
369	if(!pOnePart->bProcessed)
370	{
371	rdoSaoOnePart (psQTPart, iPartIdx, dLambda, yCbCr);
372	}
373
374	//SAO for sub 4 parts
375	if (pOnePart->PartLevel < iMaxLevel)
376	{
377	Double dCostNotSplit = dLambda + pOnePart->dMinCost;
378	Double dCostSplit = dLambda;
379
380	for (Int i=0; i< NUM_DOWN_PART ;i++)
381	{
382	if( m_bUseSBACRD )
383	{
384	if ( 0 == i) //initialize RD with previous depth buffer
385	{
386	m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
387	}
388	else
389	{
390	m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]);
391	}
392	}
393	runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda, yCbCr);
394	dCostSplit += dCostFinal;
395	if( m_bUseSBACRD )
396	{
397	m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_TEMP_BEST]);
398	}
399	}
400
401	if(dCostSplit < dCostNotSplit)
402	{
403	dCostFinal = dCostSplit;
404	pOnePart->bSplit = true;
405	pOnePart->iLength = 0;
406	pOnePart->iBestType = -1;
407	if( m_bUseSBACRD )
408	{
409	m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]);
410	}
411	}
412	else
413	{
414	dCostFinal = dCostNotSplit;
415	pOnePart->bSplit = false;
416	for (Int i=0; i<NUM_DOWN_PART; i++)
417	{
418	disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]);
419	}
420	if( m_bUseSBACRD )
421	{
422	m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_TEMP_BEST]);
423	}
424	}
425	}
426	else
427	{
428	dCostFinal = pOnePart->dMinCost;
429	}
430	}
431
432	/** delete allocated memory of TEncSampleAdaptiveOffset class.
433	*/
434	Void TEncSampleAdaptiveOffset::destroyEncBuffer()
435	{
436	for (Int i=0;i<m_iNumTotalParts;i++)
437	{
438	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
439	{
440	if (m_iCount [i][j])
441	{
442	delete [] m_iCount [i][j];
443	}
444	if (m_iOffset[i][j])
445	{
446	delete [] m_iOffset[i][j];
447	}
448	if (m_iOffsetOrg[i][j])
449	{
450	delete [] m_iOffsetOrg[i][j];
451	}
452	}
453	if (m_iRate[i])
454	{
455	delete [] m_iRate[i];
456	}
457	if (m_iDist[i])
458	{
459	delete [] m_iDist[i];
460	}
461	if (m_dCost[i])
462	{
463	delete [] m_dCost[i];
464	}
465	if (m_iCount [i])
466	{
467	delete [] m_iCount [i];
468	}
469	if (m_iOffset[i])
470	{
471	delete [] m_iOffset[i];
472	}
473	if (m_iOffsetOrg[i])
474	{
475	delete [] m_iOffsetOrg[i];
476	}
477
478	}
479	if (m_iDistOrg)
480	{
481	delete [] m_iDistOrg ; m_iDistOrg = NULL;
482	}
483	if (m_dCostPartBest)
484	{
485	delete [] m_dCostPartBest ; m_dCostPartBest = NULL;
486	}
487	if (m_iTypePartBest)
488	{
489	delete [] m_iTypePartBest ; m_iTypePartBest = NULL;
490	}
491	if (m_iRate)
492	{
493	delete [] m_iRate ; m_iRate = NULL;
494	}
495	if (m_iDist)
496	{
497	delete [] m_iDist ; m_iDist = NULL;
498	}
499	if (m_dCost)
500	{
501	delete [] m_dCost ; m_dCost = NULL;
502	}
503	if (m_iCount)
504	{
505	delete [] m_iCount ; m_iCount = NULL;
506	}
507	if (m_iOffset)
508	{
509	delete [] m_iOffset ; m_iOffset = NULL;
510	}
511	if (m_iOffsetOrg)
512	{
513	delete [] m_iOffsetOrg ; m_iOffsetOrg = NULL;
514	}
515	Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight;
516
517	for (Int i=0;i<numLcu;i++)
518	{
519	for (Int j=0;j<3;j++)
520	{
521	for (Int k=0;k<MAX_NUM_SAO_TYPE;k++)
522	{
523	if (m_count_PreDblk [i][j][k])
524	{
525	delete [] m_count_PreDblk [i][j][k];
526	}
527	if (m_offsetOrg_PreDblk[i][j][k])
528	{
529	delete [] m_offsetOrg_PreDblk[i][j][k];
530	}
531	}
532	if (m_count_PreDblk [i][j])
533	{
534	delete [] m_count_PreDblk [i][j];
535	}
536	if (m_offsetOrg_PreDblk[i][j])
537	{
538	delete [] m_offsetOrg_PreDblk[i][j];
539	}
540	}
541	if (m_count_PreDblk [i])
542	{
543	delete [] m_count_PreDblk [i];
544	}
545	if (m_offsetOrg_PreDblk[i])
546	{
547	delete [] m_offsetOrg_PreDblk[i];
548	}
549	}
550	if (m_count_PreDblk)
551	{
552	delete [] m_count_PreDblk ; m_count_PreDblk = NULL;
553	}
554	if (m_offsetOrg_PreDblk)
555	{
556	delete [] m_offsetOrg_PreDblk ; m_offsetOrg_PreDblk = NULL;
557	}
558
559	Int iMaxDepth = 4;
560	Int iDepth;
561	for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
562	{
563	for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
564	{
565	delete m_pppcRDSbacCoder[iDepth][iCIIdx];
566	delete m_pppcBinCoderCABAC[iDepth][iCIIdx];
567	}
568	}
569
570	for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
571	{
572	delete [] m_pppcRDSbacCoder[iDepth];
573	delete [] m_pppcBinCoderCABAC[iDepth];
574	}
575
576	delete [] m_pppcRDSbacCoder;
577	delete [] m_pppcBinCoderCABAC;
578	}
579
580	/** create Encoder Buffer for SAO
581	* \param
582	*/
583	Void TEncSampleAdaptiveOffset::createEncBuffer()
584	{
585	m_iDistOrg = new Int64 [m_iNumTotalParts];
586	m_dCostPartBest = new Double [m_iNumTotalParts];
587	m_iTypePartBest = new Int [m_iNumTotalParts];
588
589	m_iRate = new Int64* [m_iNumTotalParts];
590	m_iDist = new Int64* [m_iNumTotalParts];
591	m_dCost = new Double*[m_iNumTotalParts];
592
593	m_iCount = new Int64 **[m_iNumTotalParts];
594	m_iOffset = new Int64 **[m_iNumTotalParts];
595	m_iOffsetOrg = new Int64 **[m_iNumTotalParts];
596
597	for (Int i=0;i<m_iNumTotalParts;i++)
598	{
599	m_iRate[i] = new Int64 [MAX_NUM_SAO_TYPE];
600	m_iDist[i] = new Int64 [MAX_NUM_SAO_TYPE];
601	m_dCost[i] = new Double [MAX_NUM_SAO_TYPE];
602
603	m_iCount [i] = new Int64 *[MAX_NUM_SAO_TYPE];
604	m_iOffset[i] = new Int64 *[MAX_NUM_SAO_TYPE];
605	m_iOffsetOrg[i] = new Int64 *[MAX_NUM_SAO_TYPE];
606
607	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
608	{
609	m_iCount [i][j] = new Int64 [MAX_NUM_SAO_CLASS];
610	m_iOffset[i][j] = new Int64 [MAX_NUM_SAO_CLASS];
611	m_iOffsetOrg[i][j]= new Int64 [MAX_NUM_SAO_CLASS];
612	}
613	}
614	Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight;
615	m_count_PreDblk = new Int64 ***[numLcu];
616	m_offsetOrg_PreDblk = new Int64 ***[numLcu];
617	for (Int i=0; i<numLcu; i++)
618	{
619	m_count_PreDblk[i] = new Int64 **[3];
620	m_offsetOrg_PreDblk[i] = new Int64 **[3];
621
622	for (Int j=0;j<3;j++)
623	{
624	m_count_PreDblk [i][j] = new Int64 *[MAX_NUM_SAO_TYPE];
625	m_offsetOrg_PreDblk[i][j] = new Int64 *[MAX_NUM_SAO_TYPE];
626
627	for (Int k=0;k<MAX_NUM_SAO_TYPE;k++)
628	{
629	m_count_PreDblk [i][j][k] = new Int64 [MAX_NUM_SAO_CLASS];
630	m_offsetOrg_PreDblk[i][j][k]= new Int64 [MAX_NUM_SAO_CLASS];
631	}
632	}
633	}
634
635	Int iMaxDepth = 4;
636	m_pppcRDSbacCoder = new TEncSbac** [iMaxDepth+1];
637	#if FAST_BIT_EST
638	m_pppcBinCoderCABAC = new TEncBinCABACCounter** [iMaxDepth+1];
639	#else
640	m_pppcBinCoderCABAC = new TEncBinCABAC** [iMaxDepth+1];
641	#endif
642
643	for ( Int iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
644	{
645	m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM];
646	#if FAST_BIT_EST
647	m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM];
648	#else
649	m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM];
650	#endif
651	for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
652	{
653	m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac;
654	#if FAST_BIT_EST
655	m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter;
656	#else
657	m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC;
658	#endif
659	m_pppcRDSbacCoder [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] );
660	}
661	}
662	}
663
664	/** Start SAO encoder
665	* \param pcPic, pcEntropyCoder, pppcRDSbacCoder, pcRDGoOnSbacCoder
666	*/
667	Void TEncSampleAdaptiveOffset::startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder)
668	{
669	m_bUseSBACRD = true;
670	m_pcPic = pcPic;
671	m_pcEntropyCoder = pcEntropyCoder;
672
673	m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder;
674	m_pcEntropyCoder->setEntropyCoder(m_pcRDGoOnSbacCoder, pcPic->getSlice(0));
675	m_pcEntropyCoder->resetEntropy();
676	m_pcEntropyCoder->resetBits();
677
678	if( m_bUseSBACRD )
679	{
680	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_NEXT_BEST]);
681	m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_NEXT_BEST]);
682	}
683	}
684
685	/** End SAO encoder
686	*/
687	Void TEncSampleAdaptiveOffset::endSaoEnc()
688	{
689	m_pcPic = NULL;
690	m_pcEntropyCoder = NULL;
691	}
692
693	inline Int xSign(Int x)
694	{
695	return ((x >> 31) \| ((Int)( (((UInt) -x)) >> 31)));
696	}
697
698	/** Calculate SAO statistics for non-cross-slice or non-cross-tile processing
699	* \param pRecStart to-be-filtered block buffer pointer
700	* \param pOrgStart original block buffer pointer
701	* \param stride picture buffer stride
702	* \param ppStat statistics buffer
703	* \param ppCount counter buffer
704	* \param width block width
705	* \param height block height
706	* \param pbBorderAvail availabilities of block border pixels
707	*/
708	Void TEncSampleAdaptiveOffset::calcSaoStatsBlock( Pel* pRecStart, Pel* pOrgStart, Int stride, Int64 ppStats, Int64 ppCount, UInt width, UInt height, Bool* pbBorderAvail, Int iYCbCr)
709	{
710	Int64 stats, count;
711	Int classIdx, posShift, startX, endX, startY, endY, signLeft,signRight,signDown,signDown1;
712	Pel pOrg, pRec;
713	UInt edgeType;
714	Int x, y;
715	Pel *pTableBo = (iYCbCr==0)?m_lumaTableBo:m_chromaTableBo;
716
717	//--------- Band offset-----------//
718	stats = ppStats[SAO_BO];
719	count = ppCount[SAO_BO];
720	pOrg = pOrgStart;
721	pRec = pRecStart;
722	for (y=0; y< height; y++)
723	{
724	for (x=0; x< width; x++)
725	{
726	classIdx = pTableBo[pRec[x]];
727	if (classIdx)
728	{
729	stats[classIdx] += (pOrg[x] - pRec[x]);
730	count[classIdx] ++;
731	}
732	}
733	pOrg += stride;
734	pRec += stride;
735	}
736	//---------- Edge offset 0--------------//
737	stats = ppStats[SAO_EO_0];
738	count = ppCount[SAO_EO_0];
739	pOrg = pOrgStart;
740	pRec = pRecStart;
741
742
743	startX = (pbBorderAvail[SGU_L]) ? 0 : 1;
744	endX = (pbBorderAvail[SGU_R]) ? width : (width -1);
745	for (y=0; y< height; y++)
746	{
747	signLeft = xSign(pRec[startX] - pRec[startX-1]);
748	for (x=startX; x< endX; x++)
749	{
750	signRight = xSign(pRec[x] - pRec[x+1]);
751	edgeType = signRight + signLeft + 2;
752	signLeft = -signRight;
753
754	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
755	count[m_auiEoTable[edgeType]] ++;
756	}
757	pRec += stride;
758	pOrg += stride;
759	}
760
761	//---------- Edge offset 1--------------//
762	stats = ppStats[SAO_EO_1];
763	count = ppCount[SAO_EO_1];
764	pOrg = pOrgStart;
765	pRec = pRecStart;
766
767	startY = (pbBorderAvail[SGU_T]) ? 0 : 1;
768	endY = (pbBorderAvail[SGU_B]) ? height : height-1;
769	if (!pbBorderAvail[SGU_T])
770	{
771	pRec += stride;
772	pOrg += stride;
773	}
774
775	for (x=0; x< width; x++)
776	{
777	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]);
778	}
779	for (y=startY; y<endY; y++)
780	{
781	for (x=0; x< width; x++)
782	{
783	signDown = xSign(pRec[x] - pRec[x+stride]);
784	edgeType = signDown + m_iUpBuff1[x] + 2;
785	m_iUpBuff1[x] = -signDown;
786
787	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
788	count[m_auiEoTable[edgeType]] ++;
789	}
790	pOrg += stride;
791	pRec += stride;
792	}
793	//---------- Edge offset 2--------------//
794	stats = ppStats[SAO_EO_2];
795	count = ppCount[SAO_EO_2];
796	pOrg = pOrgStart;
797	pRec = pRecStart;
798
799	posShift= stride + 1;
800
801	startX = (pbBorderAvail[SGU_L]) ? 0 : 1 ;
802	endX = (pbBorderAvail[SGU_R]) ? width : (width-1);
803
804	//prepare 2nd line upper sign
805	pRec += stride;
806	for (x=startX; x< endX+1; x++)
807	{
808	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]);
809	}
810
811	//1st line
812	pRec -= stride;
813	if(pbBorderAvail[SGU_TL])
814	{
815	x= 0;
816	edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2;
817	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
818	count[m_auiEoTable[edgeType]] ++;
819	}
820	if(pbBorderAvail[SGU_T])
821	{
822	for(x= 1; x< endX; x++)
823	{
824	edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2;
825	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
826	count[m_auiEoTable[edgeType]] ++;
827	}
828	}
829	pRec += stride;
830	pOrg += stride;
831
832	//middle lines
833	for (y= 1; y< height-1; y++)
834	{
835	for (x=startX; x<endX; x++)
836	{
837	signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ;
838	edgeType = signDown1 + m_iUpBuff1[x] + 2;
839	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
840	count[m_auiEoTable[edgeType]] ++;
841
842	m_iUpBufft[x+1] = -signDown1;
843	}
844	m_iUpBufft[startX] = xSign(pRec[stride+startX] - pRec[startX-1]);
845
846	ipSwap = m_iUpBuff1;
847	m_iUpBuff1 = m_iUpBufft;
848	m_iUpBufft = ipSwap;
849
850	pRec += stride;
851	pOrg += stride;
852	}
853
854	//last line
855	if(pbBorderAvail[SGU_B])
856	{
857	for(x= startX; x< width-1; x++)
858	{
859	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
860	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
861	count[m_auiEoTable[edgeType]] ++;
862	}
863	}
864	if(pbBorderAvail[SGU_BR])
865	{
866	x= width -1;
867	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
868	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
869	count[m_auiEoTable[edgeType]] ++;
870	}
871
872	//---------- Edge offset 3--------------//
873
874	stats = ppStats[SAO_EO_3];
875	count = ppCount[SAO_EO_3];
876	pOrg = pOrgStart;
877	pRec = pRecStart;
878
879	posShift = stride - 1;
880	startX = (pbBorderAvail[SGU_L]) ? 0 : 1;
881	endX = (pbBorderAvail[SGU_R]) ? width : (width -1);
882
883	//prepare 2nd line upper sign
884	pRec += stride;
885	for (x=startX-1; x< endX; x++)
886	{
887	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]);
888	}
889
890
891	//first line
892	pRec -= stride;
893	if(pbBorderAvail[SGU_T])
894	{
895	for(x= startX; x< width -1; x++)
896	{
897	edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2;
898	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
899	count[m_auiEoTable[edgeType]] ++;
900	}
901	}
902	if(pbBorderAvail[SGU_TR])
903	{
904	x= width-1;
905	edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2;
906	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
907	count[m_auiEoTable[edgeType]] ++;
908	}
909	pRec += stride;
910	pOrg += stride;
911
912	//middle lines
913	for (y= 1; y< height-1; y++)
914	{
915	for(x= startX; x< endX; x++)
916	{
917	signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ;
918	edgeType = signDown1 + m_iUpBuff1[x] + 2;
919
920	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
921	count[m_auiEoTable[edgeType]] ++;
922	m_iUpBuff1[x-1] = -signDown1;
923
924	}
925	m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]);
926
927	pRec += stride;
928	pOrg += stride;
929	}
930
931	//last line
932	if(pbBorderAvail[SGU_BL])
933	{
934	x= 0;
935	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
936	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
937	count[m_auiEoTable[edgeType]] ++;
938
939	}
940	if(pbBorderAvail[SGU_B])
941	{
942	for(x= 1; x< endX; x++)
943	{
944	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
945	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
946	count[m_auiEoTable[edgeType]] ++;
947	}
948	}
949	}
950
951	/** Calculate SAO statistics for current LCU
952	* \param iAddr, iPartIdx, iYCbCr
953	*/
954	Void TEncSampleAdaptiveOffset::calcSaoStatsCu(Int iAddr, Int iPartIdx, Int iYCbCr)
955	{
956	if(!m_bUseNIF)
957	{
958	calcSaoStatsCuOrg( iAddr, iPartIdx, iYCbCr);
959	}
960	else
961	{
962	Int64** ppStats = m_iOffsetOrg[iPartIdx];
963	Int64** ppCount = m_iCount [iPartIdx];
964
965	//parameters
966	Int isChroma = (iYCbCr != 0)? 1:0;
967	Int stride = (iYCbCr != 0)?(m_pcPic->getCStride()):(m_pcPic->getStride());
968	Pel* pPicOrg = getPicYuvAddr (m_pcPic->getPicYuvOrg(), iYCbCr);
969	Pel* pPicRec = getPicYuvAddr(m_pcYuvTmp, iYCbCr);
970
971	std::vector<NDBFBlockInfo>& vFilterBlocks = *(m_pcPic->getCU(iAddr)->getNDBFilterBlocks());
972
973	//variables
974	UInt xPos, yPos, width, height;
975	Bool* pbBorderAvail;
976	UInt posOffset;
977
978	for(Int i=0; i< vFilterBlocks.size(); i++)
979	{
980	xPos = vFilterBlocks[i].posX >> isChroma;
981	yPos = vFilterBlocks[i].posY >> isChroma;
982	width = vFilterBlocks[i].width >> isChroma;
983	height = vFilterBlocks[i].height >> isChroma;
984	pbBorderAvail = vFilterBlocks[i].isBorderAvailable;
985
986	posOffset = (yPos* stride) + xPos;
987
988	calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail, iYCbCr);
989	}
990	}
991
992	}
993
994	/** Calculate SAO statistics for current LCU without non-crossing slice
995	* \param iAddr, iPartIdx, iYCbCr
996	*/
997	Void TEncSampleAdaptiveOffset::calcSaoStatsCuOrg(Int iAddr, Int iPartIdx, Int iYCbCr)
998	{
999	Int x,y;
1000	TComDataCU *pTmpCu = m_pcPic->getCU(iAddr);
1001	TComSPS *pTmpSPS = m_pcPic->getSlice(0)->getSPS();
1002
1003	Pel* pOrg;
1004	Pel* pRec;
1005	Int iStride;
1006	Int iLcuHeight = pTmpSPS->getMaxCUHeight();
1007	Int iLcuWidth = pTmpSPS->getMaxCUWidth();
1008	UInt uiLPelX = pTmpCu->getCUPelX();
1009	UInt uiTPelY = pTmpCu->getCUPelY();
1010	UInt uiRPelX;
1011	UInt uiBPelY;
1012	Int64* iStats;
1013	Int64* iCount;
1014	Int iClassIdx;
1015	Int iPicWidthTmp;
1016	Int iPicHeightTmp;
1017	Int iStartX;
1018	Int iStartY;
1019	Int iEndX;
1020	Int iEndY;
1021	Pel* pTableBo = (iYCbCr==0)?m_lumaTableBo:m_chromaTableBo;
1022
1023	Int iIsChroma = (iYCbCr!=0)? 1:0;
1024	Int numSkipLine = iIsChroma? 2:4;
1025	if (m_saoLcuBasedOptimization == 0)
1026	{
1027	numSkipLine = 0;
1028	}
1029
1030	Int numSkipLineRight = iIsChroma? 3:5;
1031	if (m_saoLcuBasedOptimization == 0)
1032	{
1033	numSkipLineRight = 0;
1034	}
1035
1036	iPicWidthTmp = m_iPicWidth >> iIsChroma;
1037	iPicHeightTmp = m_iPicHeight >> iIsChroma;
1038	iLcuWidth = iLcuWidth >> iIsChroma;
1039	iLcuHeight = iLcuHeight >> iIsChroma;
1040	uiLPelX = uiLPelX >> iIsChroma;
1041	uiTPelY = uiTPelY >> iIsChroma;
1042	uiRPelX = uiLPelX + iLcuWidth ;
1043	uiBPelY = uiTPelY + iLcuHeight ;
1044	uiRPelX = uiRPelX > iPicWidthTmp ? iPicWidthTmp : uiRPelX;
1045	uiBPelY = uiBPelY > iPicHeightTmp ? iPicHeightTmp : uiBPelY;
1046	iLcuWidth = uiRPelX - uiLPelX;
1047	iLcuHeight = uiBPelY - uiTPelY;
1048
1049	iStride = (iYCbCr == 0)? m_pcPic->getStride(): m_pcPic->getCStride();
1050
1051	//if(iSaoType == BO_0 \|\| iSaoType == BO_1)
1052	{
1053	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1054	{
1055	numSkipLine = iIsChroma? 1:3;
1056	numSkipLineRight = iIsChroma? 2:4;
1057	}
1058	iStats = m_iOffsetOrg[iPartIdx][SAO_BO];
1059	iCount = m_iCount [iPartIdx][SAO_BO];
1060
1061	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1062	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1063
1064	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight;
1065	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight : iLcuHeight-numSkipLine;
1066	for (y=0; y<iEndY; y++)
1067	{
1068	for (x=0; x<iEndX; x++)
1069	{
1070	iClassIdx = pTableBo[pRec[x]];
1071	if (iClassIdx)
1072	{
1073	iStats[iClassIdx] += (pOrg[x] - pRec[x]);
1074	iCount[iClassIdx] ++;
1075	}
1076	}
1077	pOrg += iStride;
1078	pRec += iStride;
1079	}
1080
1081	}
1082	Int iSignLeft;
1083	Int iSignRight;
1084	Int iSignDown;
1085	Int iSignDown1;
1086	Int iSignDown2;
1087
1088	UInt uiEdgeType;
1089
1090	//if (iSaoType == EO_0 \|\| iSaoType == EO_1 \|\| iSaoType == EO_2 \|\| iSaoType == EO_3)
1091	{
1092	//if (iSaoType == EO_0)
1093	{
1094	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1095	{
1096	numSkipLine = iIsChroma? 1:3;
1097	numSkipLineRight = iIsChroma? 3:5;
1098	}
1099	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_0];
1100	iCount = m_iCount [iPartIdx][SAO_EO_0];
1101
1102	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1103	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1104
1105	iStartX = (uiLPelX == 0) ? 1 : 0;
1106	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
1107	for (y=0; y<iLcuHeight-numSkipLine; y++)
1108	{
1109	iSignLeft = xSign(pRec[iStartX] - pRec[iStartX-1]);
1110	for (x=iStartX; x< iEndX; x++)
1111	{
1112	iSignRight = xSign(pRec[x] - pRec[x+1]);
1113	uiEdgeType = iSignRight + iSignLeft + 2;
1114	iSignLeft = -iSignRight;
1115
1116	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1117	iCount[m_auiEoTable[uiEdgeType]] ++;
1118	}
1119	pOrg += iStride;
1120	pRec += iStride;
1121	}
1122	}
1123
1124	//if (iSaoType == EO_1)
1125	{
1126	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1127	{
1128	numSkipLine = iIsChroma? 2:4;
1129	numSkipLineRight = iIsChroma? 2:4;
1130	}
1131	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_1];
1132	iCount = m_iCount [iPartIdx][SAO_EO_1];
1133
1134	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1135	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1136
1137	iStartY = (uiTPelY == 0) ? 1 : 0;
1138	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight;
1139	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
1140	if (uiTPelY == 0)
1141	{
1142	pOrg += iStride;
1143	pRec += iStride;
1144	}
1145
1146	for (x=0; x< iLcuWidth; x++)
1147	{
1148	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride]);
1149	}
1150	for (y=iStartY; y<iEndY; y++)
1151	{
1152	for (x=0; x<iEndX; x++)
1153	{
1154	iSignDown = xSign(pRec[x] - pRec[x+iStride]);
1155	uiEdgeType = iSignDown + m_iUpBuff1[x] + 2;
1156	m_iUpBuff1[x] = -iSignDown;
1157
1158	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1159	iCount[m_auiEoTable[uiEdgeType]] ++;
1160	}
1161	pOrg += iStride;
1162	pRec += iStride;
1163	}
1164	}
1165	//if (iSaoType == EO_2)
1166	{
1167	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1168	{
1169	numSkipLine = iIsChroma? 2:4;
1170	numSkipLineRight = iIsChroma? 3:5;
1171	}
1172	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_2];
1173	iCount = m_iCount [iPartIdx][SAO_EO_2];
1174
1175	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1176	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1177
1178	iStartX = (uiLPelX == 0) ? 1 : 0;
1179	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
1180
1181	iStartY = (uiTPelY == 0) ? 1 : 0;
1182	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
1183	if (uiTPelY == 0)
1184	{
1185	pOrg += iStride;
1186	pRec += iStride;
1187	}
1188
1189	for (x=iStartX; x<iEndX; x++)
1190	{
1191	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride-1]);
1192	}
1193	for (y=iStartY; y<iEndY; y++)
1194	{
1195	iSignDown2 = xSign(pRec[iStride+iStartX] - pRec[iStartX-1]);
1196	for (x=iStartX; x<iEndX; x++)
1197	{
1198	iSignDown1 = xSign(pRec[x] - pRec[x+iStride+1]) ;
1199	uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2;
1200	m_iUpBufft[x+1] = -iSignDown1;
1201	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1202	iCount[m_auiEoTable[uiEdgeType]] ++;
1203	}
1204	m_iUpBufft[iStartX] = iSignDown2;
1205	ipSwap = m_iUpBuff1;
1206	m_iUpBuff1 = m_iUpBufft;
1207	m_iUpBufft = ipSwap;
1208
1209	pRec += iStride;
1210	pOrg += iStride;
1211	}
1212	}
1213	//if (iSaoType == EO_3 )
1214	{
1215	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
1216	{
1217	numSkipLine = iIsChroma? 2:4;
1218	numSkipLineRight = iIsChroma? 3:5;
1219	}
1220	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_3];
1221	iCount = m_iCount [iPartIdx][SAO_EO_3];
1222
1223	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
1224	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
1225
1226	iStartX = (uiLPelX == 0) ? 1 : 0;
1227	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
1228
1229	iStartY = (uiTPelY == 0) ? 1 : 0;
1230	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
1231	if (iStartY == 1)
1232	{
1233	pOrg += iStride;
1234	pRec += iStride;
1235	}
1236
1237	for (x=iStartX-1; x<iEndX; x++)
1238	{
1239	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride+1]);
1240	}
1241
1242	for (y=iStartY; y<iEndY; y++)
1243	{
1244	for (x=iStartX; x<iEndX; x++)
1245	{
1246	iSignDown1 = xSign(pRec[x] - pRec[x+iStride-1]) ;
1247	uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2;
1248	m_iUpBuff1[x-1] = -iSignDown1;
1249	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1250	iCount[m_auiEoTable[uiEdgeType]] ++;
1251	}
1252	m_iUpBuff1[iEndX-1] = xSign(pRec[iEndX-1 + iStride] - pRec[iEndX]);
1253
1254	pRec += iStride;
1255	pOrg += iStride;
1256	}
1257	}
1258	}
1259	}
1260
1261
1262	Void TEncSampleAdaptiveOffset::calcSaoStatsCu_BeforeDblk( TComPic* pcPic )
1263	{
1264	Int addr, yCbCr;
1265	Int x,y;
1266	TComSPS *pTmpSPS = pcPic->getSlice(0)->getSPS();
1267
1268	Pel* pOrg;
1269	Pel* pRec;
1270	Int stride;
1271	Int lcuHeight = pTmpSPS->getMaxCUHeight();
1272	Int lcuWidth = pTmpSPS->getMaxCUWidth();
1273	UInt rPelX;
1274	UInt bPelY;
1275	Int64* stats;
1276	Int64* count;
1277	Int classIdx;
1278	Int picWidthTmp = 0;
1279	Int picHeightTmp = 0;
1280	Int startX;
1281	Int startY;
1282	Int endX;
1283	Int endY;
1284	Int firstX, firstY;
1285
1286	Int idxY;
1287	Int idxX;
1288	Int frameHeightInCU = m_iNumCuInHeight;
1289	Int frameWidthInCU = m_iNumCuInWidth;
1290	Int j, k;
1291
1292	Int isChroma;
1293	Int numSkipLine, numSkipLineRight;
1294
1295	UInt lPelX, tPelY;
1296	TComDataCU *pTmpCu;
1297	Pel* pTableBo;
1298
1299	for (idxY = 0; idxY< frameHeightInCU; idxY++)
1300	{
1301	for (idxX = 0; idxX< frameWidthInCU; idxX++)
1302	{
1303	lcuHeight = pTmpSPS->getMaxCUHeight();
1304	lcuWidth = pTmpSPS->getMaxCUWidth();
1305	addr = idxX + frameWidthInCU*idxY;
1306	pTmpCu = pcPic->getCU(addr);
1307	lPelX = pTmpCu->getCUPelX();
1308	tPelY = pTmpCu->getCUPelY();
1309	for( yCbCr = 0; yCbCr < 3; yCbCr++ )
1310	{
1311	isChroma = (yCbCr!=0)? 1:0;
1312
1313	for ( j=0;j<MAX_NUM_SAO_TYPE;j++)
1314	{
1315	for ( k=0;k< MAX_NUM_SAO_CLASS;k++)
1316	{
1317	m_count_PreDblk [addr][yCbCr][j][k] = 0;
1318	m_offsetOrg_PreDblk[addr][yCbCr][j][k] = 0;
1319	}
1320	}
1321	if( yCbCr == 0 )
1322	{
1323	picWidthTmp = m_iPicWidth;
1324	picHeightTmp = m_iPicHeight;
1325	}
1326	else if( yCbCr == 1 )
1327	{
1328	picWidthTmp = m_iPicWidth >> isChroma;
1329	picHeightTmp = m_iPicHeight >> isChroma;
1330	lcuWidth = lcuWidth >> isChroma;
1331	lcuHeight = lcuHeight >> isChroma;
1332	lPelX = lPelX >> isChroma;
1333	tPelY = tPelY >> isChroma;
1334	}
1335	rPelX = lPelX + lcuWidth ;
1336	bPelY = tPelY + lcuHeight ;
1337	rPelX = rPelX > picWidthTmp ? picWidthTmp : rPelX;
1338	bPelY = bPelY > picHeightTmp ? picHeightTmp : bPelY;
1339	lcuWidth = rPelX - lPelX;
1340	lcuHeight = bPelY - tPelY;
1341
1342	stride = (yCbCr == 0)? pcPic->getStride(): pcPic->getCStride();
1343	pTableBo = (yCbCr==0)?m_lumaTableBo:m_chromaTableBo;
1344
1345	//if(iSaoType == BO)
1346
1347	numSkipLine = isChroma? 1:3;
1348	numSkipLineRight = isChroma? 2:4;
1349
1350	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_BO];
1351	count = m_count_PreDblk[addr][yCbCr][SAO_BO];
1352
1353	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1354	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1355
1356	startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight;
1357	startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine;
1358
1359	for (y=0; y<lcuHeight; y++)
1360	{
1361	for (x=0; x<lcuWidth; x++)
1362	{
1363	if( x < startX && y < startY )
1364	continue;
1365
1366	classIdx = pTableBo[pRec[x]];
1367	if (classIdx)
1368	{
1369	stats[classIdx] += (pOrg[x] - pRec[x]);
1370	count[classIdx] ++;
1371	}
1372	}
1373	pOrg += stride;
1374	pRec += stride;
1375	}
1376
1377	Int signLeft;
1378	Int signRight;
1379	Int signDown;
1380	Int signDown1;
1381	Int signDown2;
1382
1383	UInt uiEdgeType;
1384
1385	//if (iSaoType == EO_0)
1386
1387	numSkipLine = isChroma? 1:3;
1388	numSkipLineRight = isChroma? 3:5;
1389
1390	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_0];
1391	count = m_count_PreDblk[addr][yCbCr][SAO_EO_0];
1392
1393	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1394	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1395
1396	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
1397	startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine;
1398	firstX = (lPelX == 0) ? 1 : 0;
1399	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
1400
1401	for (y=0; y<lcuHeight; y++)
1402	{
1403	signLeft = xSign(pRec[firstX] - pRec[firstX-1]);
1404	for (x=firstX; x< endX; x++)
1405	{
1406	signRight = xSign(pRec[x] - pRec[x+1]);
1407	uiEdgeType = signRight + signLeft + 2;
1408	signLeft = -signRight;
1409
1410	if( x < startX && y < startY )
1411	continue;
1412
1413	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1414	count[m_auiEoTable[uiEdgeType]] ++;
1415	}
1416	pOrg += stride;
1417	pRec += stride;
1418	}
1419
1420	//if (iSaoType == EO_1)
1421
1422	numSkipLine = isChroma? 2:4;
1423	numSkipLineRight = isChroma? 2:4;
1424
1425	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_1];
1426	count = m_count_PreDblk[addr][yCbCr][SAO_EO_1];
1427
1428	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1429	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1430
1431	startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight;
1432	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
1433	firstY = (tPelY == 0) ? 1 : 0;
1434	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
1435	if (firstY == 1)
1436	{
1437	pOrg += stride;
1438	pRec += stride;
1439	}
1440
1441	for (x=0; x< lcuWidth; x++)
1442	{
1443	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]);
1444	}
1445	for (y=firstY; y<endY; y++)
1446	{
1447	for (x=0; x<lcuWidth; x++)
1448	{
1449	signDown = xSign(pRec[x] - pRec[x+stride]);
1450	uiEdgeType = signDown + m_iUpBuff1[x] + 2;
1451	m_iUpBuff1[x] = -signDown;
1452
1453	if( x < startX && y < startY )
1454	continue;
1455
1456	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1457	count[m_auiEoTable[uiEdgeType]] ++;
1458	}
1459	pOrg += stride;
1460	pRec += stride;
1461	}
1462
1463	//if (iSaoType == EO_2)
1464
1465	numSkipLine = isChroma? 2:4;
1466	numSkipLineRight = isChroma? 3:5;
1467
1468	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_2];
1469	count = m_count_PreDblk[addr][yCbCr][SAO_EO_2];
1470
1471	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1472	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1473
1474	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
1475	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
1476	firstX = (lPelX == 0) ? 1 : 0;
1477	firstY = (tPelY == 0) ? 1 : 0;
1478	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
1479	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
1480	if (firstY == 1)
1481	{
1482	pOrg += stride;
1483	pRec += stride;
1484	}
1485
1486	for (x=firstX; x<endX; x++)
1487	{
1488	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride-1]);
1489	}
1490	for (y=firstY; y<endY; y++)
1491	{
1492	signDown2 = xSign(pRec[stride+startX] - pRec[startX-1]);
1493	for (x=firstX; x<endX; x++)
1494	{
1495	signDown1 = xSign(pRec[x] - pRec[x+stride+1]) ;
1496	uiEdgeType = signDown1 + m_iUpBuff1[x] + 2;
1497	m_iUpBufft[x+1] = -signDown1;
1498
1499	if( x < startX && y < startY )
1500	continue;
1501
1502	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1503	count[m_auiEoTable[uiEdgeType]] ++;
1504	}
1505	m_iUpBufft[firstX] = signDown2;
1506	ipSwap = m_iUpBuff1;
1507	m_iUpBuff1 = m_iUpBufft;
1508	m_iUpBufft = ipSwap;
1509
1510	pRec += stride;
1511	pOrg += stride;
1512	}
1513
1514	//if (iSaoType == EO_3)
1515
1516	numSkipLine = isChroma? 2:4;
1517	numSkipLineRight = isChroma? 3:5;
1518
1519	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_3];
1520	count = m_count_PreDblk[addr][yCbCr][SAO_EO_3];
1521
1522	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
1523	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
1524
1525	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
1526	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
1527	firstX = (lPelX == 0) ? 1 : 0;
1528	firstY = (tPelY == 0) ? 1 : 0;
1529	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
1530	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
1531	if (firstY == 1)
1532	{
1533	pOrg += stride;
1534	pRec += stride;
1535	}
1536
1537	for (x=firstX-1; x<endX; x++)
1538	{
1539	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride+1]);
1540	}
1541
1542	for (y=firstY; y<endY; y++)
1543	{
1544	for (x=firstX; x<endX; x++)
1545	{
1546	signDown1 = xSign(pRec[x] - pRec[x+stride-1]) ;
1547	uiEdgeType = signDown1 + m_iUpBuff1[x] + 2;
1548	m_iUpBuff1[x-1] = -signDown1;
1549
1550	if( x < startX && y < startY )
1551	continue;
1552
1553	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
1554	count[m_auiEoTable[uiEdgeType]] ++;
1555	}
1556	m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]);
1557
1558	pRec += stride;
1559	pOrg += stride;
1560	}
1561	}
1562	}
1563	}
1564	}
1565
1566
1567	/** get SAO statistics
1568	* \param *psQTPart, iYCbCr
1569	*/
1570	Void TEncSampleAdaptiveOffset::getSaoStats(SAOQTPart *psQTPart, Int iYCbCr)
1571	{
1572	Int iLevelIdx, iPartIdx, iTypeIdx, iClassIdx;
1573	Int i;
1574	Int iNumTotalType = MAX_NUM_SAO_TYPE;
1575	Int LcuIdxX;
1576	Int LcuIdxY;
1577	Int iAddr;
1578	Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU();
1579	Int iDownPartIdx;
1580	Int iPartStart;
1581	Int iPartEnd;
1582	SAOQTPart* pOnePart;
1583
1584	if (m_uiMaxSplitLevel == 0)
1585	{
1586	iPartIdx = 0;
1587	pOnePart = &(psQTPart[iPartIdx]);
1588	for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++)
1589	{
1590	for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++)
1591	{
1592	iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX;
1593	calcSaoStatsCu(iAddr, iPartIdx, iYCbCr);
1594	}
1595	}
1596	}
1597	else
1598	{
1599	for(iPartIdx=m_aiNumCulPartsLevel[m_uiMaxSplitLevel-1]; iPartIdx<m_aiNumCulPartsLevel[m_uiMaxSplitLevel]; iPartIdx++)
1600	{
1601	pOnePart = &(psQTPart[iPartIdx]);
1602	for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++)
1603	{
1604	for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++)
1605	{
1606	iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX;
1607	calcSaoStatsCu(iAddr, iPartIdx, iYCbCr);
1608	}
1609	}
1610	}
1611	for (iLevelIdx = m_uiMaxSplitLevel-1; iLevelIdx>=0; iLevelIdx-- )
1612	{
1613	iPartStart = (iLevelIdx > 0) ? m_aiNumCulPartsLevel[iLevelIdx-1] : 0;
1614	iPartEnd = m_aiNumCulPartsLevel[iLevelIdx];
1615
1616	for(iPartIdx = iPartStart; iPartIdx < iPartEnd; iPartIdx++)
1617	{
1618	pOnePart = &(psQTPart[iPartIdx]);
1619	for (i=0; i< NUM_DOWN_PART; i++)
1620	{
1621	iDownPartIdx = pOnePart->DownPartsIdx[i];
1622	for (iTypeIdx=0; iTypeIdx<iNumTotalType; iTypeIdx++)
1623	{
1624	for (iClassIdx=0; iClassIdx< (iTypeIdx < SAO_BO ? m_iNumClass[iTypeIdx] : SAO_MAX_BO_CLASSES) +1; iClassIdx++)
1625	{
1626	m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] += m_iOffsetOrg[iDownPartIdx][iTypeIdx][iClassIdx];
1627	m_iCount [iPartIdx][iTypeIdx][iClassIdx] += m_iCount [iDownPartIdx][iTypeIdx][iClassIdx];
1628	}
1629	}
1630	}
1631	}
1632	}
1633	}
1634	}
1635
1636	/** reset offset statistics
1637	* \param
1638	*/
1639	Void TEncSampleAdaptiveOffset::resetStats()
1640	{
1641	for (Int i=0;i<m_iNumTotalParts;i++)
1642	{
1643	m_dCostPartBest[i] = MAX_DOUBLE;
1644	m_iTypePartBest[i] = -1;
1645	m_iDistOrg[i] = 0;
1646	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
1647	{
1648	m_iDist[i][j] = 0;
1649	m_iRate[i][j] = 0;
1650	m_dCost[i][j] = 0;
1651	for (Int k=0;k<MAX_NUM_SAO_CLASS;k++)
1652	{
1653	m_iCount [i][j][k] = 0;
1654	m_iOffset[i][j][k] = 0;
1655	m_iOffsetOrg[i][j][k] = 0;
1656	}
1657	}
1658	}
1659	}
1660
1661	#if SAO_CHROMA_LAMBDA
1662	/** Sample adaptive offset process
1663	* \param pcSaoParam
1664	* \param dLambdaLuma
1665	* \param dLambdaChroma
1666	*/
1667	#if SAO_ENCODING_CHOICE
1668	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma, Int depth)
1669	#else
1670	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma)
1671	#endif
1672	#else
1673	/** Sample adaptive offset process
1674	* \param dLambda
1675	*/
1676	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambda)
1677	#endif
1678	{
1679	if(m_bUseNIF)
1680	{
1681	m_pcPic->getPicYuvRec()->copyToPic(m_pcYuvTmp);
1682	}
1683
1684	m_uiSaoBitIncreaseY = max(g_bitDepthY - 10, 0);
1685	m_uiSaoBitIncreaseC = max(g_bitDepthC - 10, 0);
1686	m_iOffsetThY = 1 << min(g_bitDepthY - 5, 5);
1687	m_iOffsetThC = 1 << min(g_bitDepthC - 5, 5);
1688	resetSAOParam(pcSaoParam);
1689	if( !m_saoLcuBasedOptimization \|\| !m_saoLcuBoundary )
1690	{
1691	resetStats();
1692	}
1693	Double dCostFinal = 0;
1694	if ( m_saoLcuBasedOptimization)
1695	{
1696	#if SAO_ENCODING_CHOICE
1697	rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma, depth);
1698	#else
1699	rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma);
1700	#endif
1701	}
1702	else
1703	{
1704	pcSaoParam->bSaoFlag[0] = 1;
1705	pcSaoParam->bSaoFlag[1] = 0;
1706	dCostFinal = 0;
1707	Double lambdaRdo = dLambdaLuma;
1708	resetStats();
1709	getSaoStats(pcSaoParam->psSaoPart[0], 0);
1710	runQuadTreeDecision(pcSaoParam->psSaoPart[0], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo, 0);
1711	pcSaoParam->bSaoFlag[0] = dCostFinal < 0 ? 1:0;
1712	if(pcSaoParam->bSaoFlag[0])
1713	{
1714	convertQT2SaoUnit(pcSaoParam, 0, 0);
1715	assignSaoUnitSyntax(pcSaoParam->saoLcuParam[0], pcSaoParam->psSaoPart[0], pcSaoParam->oneUnitFlag[0], 0);
1716	}
1717	}
1718	if (pcSaoParam->bSaoFlag[0])
1719	{
1720	processSaoUnitAll( pcSaoParam->saoLcuParam[0], pcSaoParam->oneUnitFlag[0], 0);
1721	}
1722	if (pcSaoParam->bSaoFlag[1])
1723	{
1724	processSaoUnitAll( pcSaoParam->saoLcuParam[1], pcSaoParam->oneUnitFlag[1], 1);
1725	processSaoUnitAll( pcSaoParam->saoLcuParam[2], pcSaoParam->oneUnitFlag[2], 2);
1726	}
1727	}
1728	/** Check merge SAO unit
1729	* \param saoUnitCurr current SAO unit
1730	* \param saoUnitCheck SAO unit tobe check
1731	* \param dir direction
1732	*/
1733	Void TEncSampleAdaptiveOffset::checkMerge(SaoLcuParam * saoUnitCurr, SaoLcuParam * saoUnitCheck, Int dir)
1734	{
1735	Int i ;
1736	Int countDiff = 0;
1737	if (saoUnitCurr->partIdx != saoUnitCheck->partIdx)
1738	{
1739	if (saoUnitCurr->typeIdx !=-1)
1740	{
1741	if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx)
1742	{
1743	for (i=0;i<saoUnitCurr->length;i++)
1744	{
1745	countDiff += (saoUnitCurr->offset[i] != saoUnitCheck->offset[i]);
1746	}
1747	countDiff += (saoUnitCurr->subTypeIdx != saoUnitCheck->subTypeIdx);
1748	if (countDiff ==0)
1749	{
1750	saoUnitCurr->partIdx = saoUnitCheck->partIdx;
1751	if (dir == 1)
1752	{
1753	saoUnitCurr->mergeUpFlag = 1;
1754	saoUnitCurr->mergeLeftFlag = 0;
1755	}
1756	else
1757	{
1758	saoUnitCurr->mergeUpFlag = 0;
1759	saoUnitCurr->mergeLeftFlag = 1;
1760	}
1761	}
1762	}
1763	}
1764	else
1765	{
1766	if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx)
1767	{
1768	saoUnitCurr->partIdx = saoUnitCheck->partIdx;
1769	if (dir == 1)
1770	{
1771	saoUnitCurr->mergeUpFlag = 1;
1772	saoUnitCurr->mergeLeftFlag = 0;
1773	}
1774	else
1775	{
1776	saoUnitCurr->mergeUpFlag = 0;
1777	saoUnitCurr->mergeLeftFlag = 1;
1778	}
1779	}
1780	}
1781	}
1782	}
1783	/** Assign SAO unit syntax from picture-based algorithm
1784	* \param saoLcuParam SAO LCU parameters
1785	* \param saoPart SAO part
1786	* \param oneUnitFlag SAO one unit flag
1787	* \param iYCbCr color component Index
1788	*/
1789	Void TEncSampleAdaptiveOffset::assignSaoUnitSyntax(SaoLcuParam* saoLcuParam, SAOQTPart* saoPart, Bool &oneUnitFlag, Int yCbCr)
1790	{
1791	if (saoPart->bSplit == 0)
1792	{
1793	oneUnitFlag = 1;
1794	}
1795	else
1796	{
1797	Int i,j, addr, addrUp, addrLeft, idx, idxUp, idxLeft, idxCount;
1798
1799	oneUnitFlag = 0;
1800
1801	idxCount = -1;
1802	saoLcuParam[0].mergeUpFlag = 0;
1803	saoLcuParam[0].mergeLeftFlag = 0;
1804
1805	for (j=0;j<m_iNumCuInHeight;j++)
1806	{
1807	for (i=0;i<m_iNumCuInWidth;i++)
1808	{
1809	addr = i + j*m_iNumCuInWidth;
1810	addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1;
1811	addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth;
1812	idx = saoLcuParam[addr].partIdxTmp;
1813	idxLeft = (addrLeft == -1) ? -1 : saoLcuParam[addrLeft].partIdxTmp;
1814	idxUp = (addrUp == -1) ? -1 : saoLcuParam[addrUp].partIdxTmp;
1815
1816	if(idx!=idxLeft && idx!=idxUp)
1817	{
1818	saoLcuParam[addr].mergeUpFlag = 0; idxCount++;
1819	saoLcuParam[addr].mergeLeftFlag = 0;
1820	saoLcuParam[addr].partIdx = idxCount;
1821	}
1822	else if (idx==idxLeft)
1823	{
1824	saoLcuParam[addr].mergeUpFlag = 1;
1825	saoLcuParam[addr].mergeLeftFlag = 1;
1826	saoLcuParam[addr].partIdx = saoLcuParam[addrLeft].partIdx;
1827	}
1828	else if (idx==idxUp)
1829	{
1830	saoLcuParam[addr].mergeUpFlag = 1;
1831	saoLcuParam[addr].mergeLeftFlag = 0;
1832	saoLcuParam[addr].partIdx = saoLcuParam[addrUp].partIdx;
1833	}
1834	if (addrUp != -1)
1835	{
1836	checkMerge(&saoLcuParam[addr], &saoLcuParam[addrUp], 1);
1837	}
1838	if (addrLeft != -1)
1839	{
1840	checkMerge(&saoLcuParam[addr], &saoLcuParam[addrLeft], 0);
1841	}
1842	}
1843	}
1844	}
1845	}
1846	/** rate distortion optimization of all SAO units
1847	* \param saoParam SAO parameters
1848	* \param lambda
1849	* \param lambdaChroma
1850	*/
1851	#if SAO_ENCODING_CHOICE
1852	Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma, Int depth)
1853	#else
1854	Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma)
1855	#endif
1856	{
1857
1858	Int idxY;
1859	Int idxX;
1860	Int frameHeightInCU = saoParam->numCuInHeight;
1861	Int frameWidthInCU = saoParam->numCuInWidth;
1862	Int j, k;
1863	Int addr = 0;
1864	Int addrUp = -1;
1865	Int addrLeft = -1;
1866	Int compIdx = 0;
1867	SaoLcuParam mergeSaoParam[3][2];
1868	Double compDistortion[3];
1869
1870	saoParam->bSaoFlag[0] = true;
1871	saoParam->bSaoFlag[1] = true;
1872	saoParam->oneUnitFlag[0] = false;
1873	saoParam->oneUnitFlag[1] = false;
1874	saoParam->oneUnitFlag[2] = false;
1875
1876	#if SAO_ENCODING_CHOICE
1877	#if SAO_ENCODING_CHOICE_CHROMA
1878	Int numNoSao[2];
1879	numNoSao[0] = 0;// Luma
1880	numNoSao[1] = 0;// Chroma
1881	if( depth > 0 && m_depthSaoRate[0][depth-1] > SAO_ENCODING_RATE )
1882	{
1883	saoParam->bSaoFlag[0] = false;
1884	}
1885	if( depth > 0 && m_depthSaoRate[1][depth-1] > SAO_ENCODING_RATE_CHROMA )
1886	{
1887	saoParam->bSaoFlag[1] = false;
1888	}
1889	#else
1890	Int numNoSao = 0;
1891
1892	if( depth > 0 && m_depth0SaoRate > SAO_ENCODING_RATE )
1893	{
1894	saoParam->bSaoFlag[0] = false;
1895	saoParam->bSaoFlag[1] = false;
1896	}
1897	#endif
1898	#endif
1899
1900	for (idxY = 0; idxY< frameHeightInCU; idxY++)
1901	{
1902	for (idxX = 0; idxX< frameWidthInCU; idxX++)
1903	{
1904	addr = idxX + frameWidthInCU*idxY;
1905	addrUp = addr < frameWidthInCU ? -1:idxX + frameWidthInCU*(idxY-1);
1906	addrLeft = idxX == 0 ? -1:idxX-1 + frameWidthInCU*idxY;
1907	Int allowMergeLeft = 1;
1908	Int allowMergeUp = 1;
1909	UInt rate;
1910	Double bestCost, mergeCost;
1911	if (idxX!=0)
1912	{
1913	// check tile id and slice id
1914	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()))
1915	{
1916	allowMergeLeft = 0;
1917	}
1918	}
1919	else
1920	{
1921	allowMergeLeft = 0;
1922	}
1923	if (idxY!=0)
1924	{
1925	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()))
1926	{
1927	allowMergeUp = 0;
1928	}
1929	}
1930	else
1931	{
1932	allowMergeUp = 0;
1933	}
1934
1935	compDistortion[0] = 0;
1936	compDistortion[1] = 0;
1937	compDistortion[2] = 0;
1938	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
1939	if (allowMergeLeft)
1940	{
1941	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
1942	}
1943	if (allowMergeUp)
1944	{
1945	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
1946	}
1947	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
1948	// reset stats Y, Cb, Cr
1949	for ( compIdx=0;compIdx<3;compIdx++)
1950	{
1951	for ( j=0;j<MAX_NUM_SAO_TYPE;j++)
1952	{
1953	for ( k=0;k< MAX_NUM_SAO_CLASS;k++)
1954	{
1955	m_iOffset [compIdx][j][k] = 0;
1956	if( m_saoLcuBasedOptimization && m_saoLcuBoundary ){
1957	m_iCount [compIdx][j][k] = m_count_PreDblk [addr][compIdx][j][k];
1958	m_iOffsetOrg[compIdx][j][k] = m_offsetOrg_PreDblk[addr][compIdx][j][k];
1959	}
1960	else
1961	{
1962	m_iCount [compIdx][j][k] = 0;
1963	m_iOffsetOrg[compIdx][j][k] = 0;
1964	}
1965	}
1966	}
1967	saoParam->saoLcuParam[compIdx][addr].typeIdx = -1;
1968	saoParam->saoLcuParam[compIdx][addr].mergeUpFlag = 0;
1969	saoParam->saoLcuParam[compIdx][addr].mergeLeftFlag = 0;
1970	saoParam->saoLcuParam[compIdx][addr].subTypeIdx = 0;
1971	#if SAO_ENCODING_CHOICE
1972	if( (compIdx ==0 && saoParam->bSaoFlag[0])\|\| (compIdx >0 && saoParam->bSaoFlag[1]) )
1973	#endif
1974	{
1975	calcSaoStatsCu(addr, compIdx, compIdx);
1976
1977	}
1978	}
1979	saoComponentParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, 0, lambda, &mergeSaoParam[0][0], &compDistortion[0]);
1980	sao2ChromaParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, lambdaChroma, &mergeSaoParam[1][0], &mergeSaoParam[2][0], &compDistortion[0]);
1981	if( saoParam->bSaoFlag[0] \|\| saoParam->bSaoFlag[1] )
1982	{
1983	// Cost of new SAO_params
1984	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
1985	m_pcRDGoOnSbacCoder->resetBits();
1986	if (allowMergeLeft)
1987	{
1988	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
1989	}
1990	if (allowMergeUp)
1991	{
1992	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
1993	}
1994	for ( compIdx=0;compIdx<3;compIdx++)
1995	{
1996	if( (compIdx ==0 && saoParam->bSaoFlag[0]) \|\| (compIdx >0 && saoParam->bSaoFlag[1]))
1997	{
1998	m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx);
1999	}
2000	}
2001
2002	rate = m_pcEntropyCoder->getNumberOfWrittenBits();
2003	bestCost = compDistortion[0] + (Double)rate;
2004	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2005
2006	// Cost of Merge
2007	for(Int mergeUp=0; mergeUp<2; ++mergeUp)
2008	{
2009	if ( (allowMergeLeft && (mergeUp==0)) \|\| (allowMergeUp && (mergeUp==1)) )
2010	{
2011	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2012	m_pcRDGoOnSbacCoder->resetBits();
2013	if (allowMergeLeft)
2014	{
2015	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1-mergeUp);
2016	}
2017	if ( allowMergeUp && (mergeUp==1) )
2018	{
2019	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1);
2020	}
2021
2022	rate = m_pcEntropyCoder->getNumberOfWrittenBits();
2023	mergeCost = compDistortion[mergeUp+1] + (Double)rate;
2024	if (mergeCost < bestCost)
2025	{
2026	bestCost = mergeCost;
2027	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2028	for ( compIdx=0;compIdx<3;compIdx++)
2029	{
2030	mergeSaoParam[compIdx][mergeUp].mergeLeftFlag = 1-mergeUp;
2031	mergeSaoParam[compIdx][mergeUp].mergeUpFlag = mergeUp;
2032	if( (compIdx==0 && saoParam->bSaoFlag[0]) \|\| (compIdx>0 && saoParam->bSaoFlag[1]))
2033	{
2034	copySaoUnit(&saoParam->saoLcuParam[compIdx][addr], &mergeSaoParam[compIdx][mergeUp] );
2035	}
2036	}
2037	}
2038	}
2039	}
2040	#if SAO_ENCODING_CHOICE
2041	#if SAO_ENCODING_CHOICE_CHROMA
2042	if( saoParam->saoLcuParam[0][addr].typeIdx == -1)
2043	{
2044	numNoSao[0]++;
2045	}
2046	if( saoParam->saoLcuParam[1][addr].typeIdx == -1)
2047	{
2048	numNoSao[1]+=2;
2049	}
2050	#else
2051	for ( compIdx=0;compIdx<3;compIdx++)
2052	{
2053	if( depth == 0 && saoParam->saoLcuParam[compIdx][addr].typeIdx == -1)
2054	{
2055	numNoSao++;
2056	}
2057	}
2058	#endif
2059	#endif
2060	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2061	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
2062	}
2063	}
2064	}
2065	#if SAO_ENCODING_CHOICE
2066	#if SAO_ENCODING_CHOICE_CHROMA
2067	if( !saoParam->bSaoFlag[0])
2068	{
2069	m_depthSaoRate[0][depth] = 1.0;
2070	}
2071	else
2072	{
2073	m_depthSaoRate[0][depth] = numNoSao[0]/((Double) frameHeightInCU*frameWidthInCU);
2074	}
2075	if( !saoParam->bSaoFlag[1])
2076	{
2077	m_depthSaoRate[1][depth] = 1.0;
2078	}
2079	else
2080	{
2081	m_depthSaoRate[1][depth] = numNoSao[1]/((Double) frameHeightInCUframeWidthInCU2);
2082	}
2083	#else
2084	if( depth == 0)
2085	{
2086	// update SAO Rate
2087	m_depth0SaoRate = numNoSao/((Double) frameHeightInCUframeWidthInCU3);
2088	}
2089	#endif
2090	#endif
2091
2092	}
2093	/** rate distortion optimization of SAO unit
2094	* \param saoParam SAO parameters
2095	* \param addr address
2096	* \param addrUp above address
2097	* \param addrLeft left address
2098	* \param yCbCr color component index
2099	* \param lambda
2100	*/
2101	inline Int64 TEncSampleAdaptiveOffset::estSaoTypeDist(Int compIdx, Int typeIdx, Int shift, Double lambda, Int currentDistortionTableBo, Double currentRdCostTableBo)
2102	{
2103	Int64 estDist = 0;
2104	Int classIdx;
2105	Int bitDepth = (compIdx==0) ? g_bitDepthY : g_bitDepthC;
2106	Int saoBitIncrease = (compIdx==0) ? m_uiSaoBitIncreaseY : m_uiSaoBitIncreaseC;
2107	Int saoOffsetTh = (compIdx==0) ? m_iOffsetThY : m_iOffsetThC;
2108
2109	for(classIdx=1; classIdx < ( (typeIdx < SAO_BO) ? m_iNumClass[typeIdx]+1 : SAO_MAX_BO_CLASSES+1); classIdx++)
2110	{
2111	if( typeIdx == SAO_BO)
2112	{
2113	currentDistortionTableBo[classIdx-1] = 0;
2114	currentRdCostTableBo[classIdx-1] = lambda;
2115	}
2116	if(m_iCount [compIdx][typeIdx][classIdx])
2117	{
2118	m_iOffset[compIdx][typeIdx][classIdx] = (Int64) xRoundIbdi(bitDepth, (Double)(m_iOffsetOrg[compIdx][typeIdx][classIdx]<<(bitDepth-8)) / (Double)(m_iCount [compIdx][typeIdx][classIdx]<<saoBitIncrease));
2119	m_iOffset[compIdx][typeIdx][classIdx] = Clip3(-saoOffsetTh+1, saoOffsetTh-1, (Int)m_iOffset[compIdx][typeIdx][classIdx]);
2120	if (typeIdx < 4)
2121	{
2122	if ( m_iOffset[compIdx][typeIdx][classIdx]<0 && classIdx<3 )
2123	{
2124	m_iOffset[compIdx][typeIdx][classIdx] = 0;
2125	}
2126	if ( m_iOffset[compIdx][typeIdx][classIdx]>0 && classIdx>=3)
2127	{
2128	m_iOffset[compIdx][typeIdx][classIdx] = 0;
2129	}
2130	}
2131	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, saoBitIncrease, currentDistortionTableBo, currentRdCostTableBo, saoOffsetTh );
2132	}
2133	else
2134	{
2135	m_iOffsetOrg[compIdx][typeIdx][classIdx] = 0;
2136	m_iOffset[compIdx][typeIdx][classIdx] = 0;
2137	}
2138	if( typeIdx != SAO_BO )
2139	{
2140	estDist += estSaoDist( m_iCount [compIdx][typeIdx][classIdx], m_iOffset[compIdx][typeIdx][classIdx] << saoBitIncrease, m_iOffsetOrg[compIdx][typeIdx][classIdx], shift);
2141	}
2142
2143	}
2144	return estDist;
2145	}
2146
2147	inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 offsetOrg, Int shift)
2148	{
2149	return (( countoffsetoffset-offsetOrgoffset2 ) >> shift);
2150	}
2151	inline Int64 TEncSampleAdaptiveOffset::estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int64 offsetInput, Int64 count, Int64 offsetOrg, Int shift, Int bitIncrease, Int currentDistortionTableBo, Double currentRdCostTableBo, Int offsetTh )
2152	{
2153	//Clean up, best_q_offset.
2154	Int64 iterOffset, tempOffset;
2155	Int64 tempDist, tempRate;
2156	Double tempCost, tempMinCost;
2157	Int64 offsetOutput = 0;
2158	iterOffset = offsetInput;
2159	// 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.
2160	tempMinCost = lambda;
2161	while (iterOffset != 0)
2162	{
2163	// Calculate the bits required for signalling the offset
2164	tempRate = (typeIdx == SAO_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1);
2165	if (abs((Int)iterOffset)==offsetTh-1)
2166	{
2167	tempRate --;
2168	}
2169	// Do the dequntization before distorion calculation
2170	tempOffset = iterOffset << bitIncrease;
2171	tempDist = estSaoDist( count, tempOffset, offsetOrg, shift);
2172	tempCost = ((Double)tempDist + lambda * (Double) tempRate);
2173	if(tempCost < tempMinCost)
2174	{
2175	tempMinCost = tempCost;
2176	offsetOutput = iterOffset;
2177	if(typeIdx == SAO_BO)
2178	{
2179	currentDistortionTableBo[classIdx-1] = (Int) tempDist;
2180	currentRdCostTableBo[classIdx-1] = tempCost;
2181	}
2182	}
2183	iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1);
2184	}
2185	return offsetOutput;
2186	}
2187
2188
2189	Void TEncSampleAdaptiveOffset::saoComponentParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda, SaoLcuParam compSaoParam, Double *compDistortion)
2190	{
2191	Int typeIdx;
2192
2193	Int64 estDist;
2194	Int classIdx;
2195	Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(((yCbCr==0)?g_bitDepthY:g_bitDepthC)-8);
2196	Int64 bestDist;
2197
2198	SaoLcuParam* saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]);
2199	SaoLcuParam* saoLcuParamNeighbor = NULL;
2200
2201	resetSaoUnit(saoLcuParam);
2202	resetSaoUnit(&compSaoParam[0]);
2203	resetSaoUnit(&compSaoParam[1]);
2204
2205
2206	Double dCostPartBest = MAX_DOUBLE;
2207
2208	Double bestRDCostTableBo = MAX_DOUBLE;
2209	Int bestClassTableBo = 0;
2210	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
2211	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
2212
2213
2214	SaoLcuParam saoLcuParamRdo;
2215	Double estRate = 0;
2216
2217	resetSaoUnit(&saoLcuParamRdo);
2218
2219	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2220	m_pcRDGoOnSbacCoder->resetBits();
2221	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr);
2222
2223	dCostPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
2224	copySaoUnit(saoLcuParam, &saoLcuParamRdo );
2225	bestDist = 0;
2226
2227
2228
2229	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
2230	{
2231	estDist = estSaoTypeDist(yCbCr, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2232
2233	if( typeIdx == SAO_BO )
2234	{
2235	// Estimate Best Position
2236	Double currentRDCost = 0.0;
2237
2238	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
2239	{
2240	currentRDCost = 0.0;
2241	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
2242	{
2243	currentRDCost += currentRdCostTableBo[uj];
2244	}
2245
2246	if( currentRDCost < bestRDCostTableBo)
2247	{
2248	bestRDCostTableBo = currentRDCost;
2249	bestClassTableBo = i;
2250	}
2251	}
2252
2253	// Re code all Offsets
2254	// Code Center
2255	estDist = 0;
2256	for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++)
2257	{
2258	estDist += currentDistortionTableBo[classIdx];
2259	}
2260	}
2261	resetSaoUnit(&saoLcuParamRdo);
2262	saoLcuParamRdo.length = m_iNumClass[typeIdx];
2263	saoLcuParamRdo.typeIdx = typeIdx;
2264	saoLcuParamRdo.mergeLeftFlag = 0;
2265	saoLcuParamRdo.mergeUpFlag = 0;
2266	saoLcuParamRdo.subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo : 0;
2267	for (classIdx = 0; classIdx < saoLcuParamRdo.length; classIdx++)
2268	{
2269	saoLcuParamRdo.offset[classIdx] = (Int)m_iOffset[yCbCr][typeIdx][classIdx+saoLcuParamRdo.subTypeIdx+1];
2270	}
2271	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2272	m_pcRDGoOnSbacCoder->resetBits();
2273	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr);
2274
2275	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
2276	m_dCost[yCbCr][typeIdx] = (Double)((Double)estDist + lambda * (Double) estRate);
2277
2278	if(m_dCost[yCbCr][typeIdx] < dCostPartBest)
2279	{
2280	dCostPartBest = m_dCost[yCbCr][typeIdx];
2281	copySaoUnit(saoLcuParam, &saoLcuParamRdo );
2282	bestDist = estDist;
2283	}
2284	}
2285	compDistortion[0] += ((Double)bestDist/lambda);
2286	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2287	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam, yCbCr);
2288	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2289
2290
2291	// merge left or merge up
2292
2293	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
2294	{
2295	saoLcuParamNeighbor = NULL;
2296	if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0)
2297	{
2298	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]);
2299	}
2300	else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1)
2301	{
2302	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]);
2303	}
2304	if (saoLcuParamNeighbor!=NULL)
2305	{
2306	estDist = 0;
2307	typeIdx = saoLcuParamNeighbor->typeIdx;
2308	if (typeIdx>=0)
2309	{
2310	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor->subTypeIdx:0;
2311	Int merge_iOffset;
2312	for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++)
2313	{
2314	merge_iOffset = saoLcuParamNeighbor->offset[classIdx];
2315	estDist += estSaoDist(m_iCount [yCbCr][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[yCbCr][typeIdx][classIdx+mergeBandPosition+1], shift);
2316	}
2317	}
2318	else
2319	{
2320	estDist = 0;
2321	}
2322
2323	copySaoUnit(&compSaoParam[idxNeighbor], saoLcuParamNeighbor );
2324	compSaoParam[idxNeighbor].mergeUpFlag = idxNeighbor;
2325	compSaoParam[idxNeighbor].mergeLeftFlag = !idxNeighbor;
2326
2327	compDistortion[idxNeighbor+1] += ((Double)estDist/lambda);
2328	}
2329	}
2330	}
2331	Void TEncSampleAdaptiveOffset::sao2ChromaParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam saoParam, Int addr, Int addrUp, Int addrLeft, Double lambda, SaoLcuParam crSaoParam, SaoLcuParam cbSaoParam, Double distortion)
2332	{
2333	Int typeIdx;
2334
2335	Int64 estDist[2];
2336	Int classIdx;
2337	Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(g_bitDepthC-8);
2338	Int64 bestDist = 0;
2339
2340	SaoLcuParam* saoLcuParam[2] = {&(saoParam->saoLcuParam[1][addr]), &(saoParam->saoLcuParam[2][addr])};
2341	SaoLcuParam* saoLcuParamNeighbor[2] = {NULL, NULL};
2342	SaoLcuParam* saoMergeParam[2][2];
2343	saoMergeParam[0][0] = &crSaoParam[0];
2344	saoMergeParam[0][1] = &crSaoParam[1];
2345	saoMergeParam[1][0] = &cbSaoParam[0];
2346	saoMergeParam[1][1] = &cbSaoParam[1];
2347
2348	resetSaoUnit(saoLcuParam[0]);
2349	resetSaoUnit(saoLcuParam[1]);
2350	resetSaoUnit(saoMergeParam[0][0]);
2351	resetSaoUnit(saoMergeParam[0][1]);
2352	resetSaoUnit(saoMergeParam[1][0]);
2353	resetSaoUnit(saoMergeParam[1][1]);
2354
2355
2356	Double costPartBest = MAX_DOUBLE;
2357
2358	Double bestRDCostTableBo;
2359	Int bestClassTableBo[2] = {0, 0};
2360	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
2361	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
2362
2363	SaoLcuParam saoLcuParamRdo[2];
2364	Double estRate = 0;
2365
2366	resetSaoUnit(&saoLcuParamRdo[0]);
2367	resetSaoUnit(&saoLcuParamRdo[1]);
2368
2369	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2370	m_pcRDGoOnSbacCoder->resetBits();
2371	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[0], 1);
2372	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[1], 2);
2373
2374	costPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
2375	copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] );
2376	copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] );
2377
2378	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
2379	{
2380	if( typeIdx == SAO_BO )
2381	{
2382	// Estimate Best Position
2383	for(Int compIdx = 0; compIdx < 2; compIdx++)
2384	{
2385	Double currentRDCost = 0.0;
2386	bestRDCostTableBo = MAX_DOUBLE;
2387	estDist[compIdx] = estSaoTypeDist(compIdx+1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2388	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
2389	{
2390	currentRDCost = 0.0;
2391	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
2392	{
2393	currentRDCost += currentRdCostTableBo[uj];
2394	}
2395
2396	if( currentRDCost < bestRDCostTableBo)
2397	{
2398	bestRDCostTableBo = currentRDCost;
2399	bestClassTableBo[compIdx] = i;
2400	}
2401	}
2402
2403	// Re code all Offsets
2404	// Code Center
2405	estDist[compIdx] = 0;
2406	for(classIdx = bestClassTableBo[compIdx]; classIdx < bestClassTableBo[compIdx]+SAO_BO_LEN; classIdx++)
2407	{
2408	estDist[compIdx] += currentDistortionTableBo[classIdx];
2409	}
2410	}
2411	}
2412	else
2413	{
2414	estDist[0] = estSaoTypeDist(1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2415	estDist[1] = estSaoTypeDist(2, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
2416	}
2417
2418	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2419	m_pcRDGoOnSbacCoder->resetBits();
2420
2421	for(Int compIdx = 0; compIdx < 2; compIdx++)
2422	{
2423	resetSaoUnit(&saoLcuParamRdo[compIdx]);
2424	saoLcuParamRdo[compIdx].length = m_iNumClass[typeIdx];
2425	saoLcuParamRdo[compIdx].typeIdx = typeIdx;
2426	saoLcuParamRdo[compIdx].mergeLeftFlag = 0;
2427	saoLcuParamRdo[compIdx].mergeUpFlag = 0;
2428	saoLcuParamRdo[compIdx].subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo[compIdx] : 0;
2429	for (classIdx = 0; classIdx < saoLcuParamRdo[compIdx].length; classIdx++)
2430	{
2431	saoLcuParamRdo[compIdx].offset[classIdx] = (Int)m_iOffset[compIdx+1][typeIdx][classIdx+saoLcuParamRdo[compIdx].subTypeIdx+1];
2432	}
2433
2434	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[compIdx], compIdx+1);
2435	}
2436	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
2437	m_dCost[1][typeIdx] = (Double)((Double)(estDist[0] + estDist[1]) + lambda * (Double) estRate);
2438
2439	if(m_dCost[1][typeIdx] < costPartBest)
2440	{
2441	costPartBest = m_dCost[1][typeIdx];
2442	copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] );
2443	copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] );
2444	bestDist = (estDist[0]+estDist[1]);
2445	}
2446	}
2447
2448	distortion[0] += ((Double)bestDist/lambda);
2449	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
2450	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[0], 1);
2451	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[1], 2);
2452	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
2453
2454	// merge left or merge up
2455
2456	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
2457	{
2458	for(Int compIdx = 0; compIdx < 2; compIdx++)
2459	{
2460	saoLcuParamNeighbor[compIdx] = NULL;
2461	if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0)
2462	{
2463	saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrLeft]);
2464	}
2465	else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1)
2466	{
2467	saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrUp]);
2468	}
2469	if (saoLcuParamNeighbor[compIdx]!=NULL)
2470	{
2471	estDist[compIdx] = 0;
2472	typeIdx = saoLcuParamNeighbor[compIdx]->typeIdx;
2473	if (typeIdx>=0)
2474	{
2475	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor[compIdx]->subTypeIdx:0;
2476	Int merge_iOffset;
2477	for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++)
2478	{
2479	merge_iOffset = saoLcuParamNeighbor[compIdx]->offset[classIdx];
2480	estDist[compIdx] += estSaoDist(m_iCount [compIdx+1][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[compIdx+1][typeIdx][classIdx+mergeBandPosition+1], shift);
2481	}
2482	}
2483	else
2484	{
2485	estDist[compIdx] = 0;
2486	}
2487
2488	copySaoUnit(saoMergeParam[compIdx][idxNeighbor], saoLcuParamNeighbor[compIdx] );
2489	saoMergeParam[compIdx][idxNeighbor]->mergeUpFlag = idxNeighbor;
2490	saoMergeParam[compIdx][idxNeighbor]->mergeLeftFlag = !idxNeighbor;
2491	distortion[idxNeighbor+1] += ((Double)estDist[compIdx]/lambda);
2492	}
2493	}
2494	}
2495	}
2496
2497	//! \}

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