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TEncSampleAdaptiveOffset.cpp @ 1557

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Last change on this file since 1557 was 532, checked in by seregin, 11 years ago
update to HM-12.1 base
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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
48	#if HM_CLEANUP_SAO
49
50	/** rounding with IBDI
51	* \param x
52	*/
53	inline Double xRoundIbdi2(Int bitDepth, Double x)
54	{
55	return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))) : ((Int)(((Int)(x)-(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))));
56	}
57
58	inline Double xRoundIbdi(Int bitDepth, Double x)
59	{
60	return (bitDepth > 8 ? xRoundIbdi2(bitDepth, (x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ;
61	}
62
63
64	TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset()
65	{
66	m_pppcRDSbacCoder = NULL;
67	m_pcRDGoOnSbacCoder = NULL;
68	m_pppcBinCoderCABAC = NULL;
69	m_statData = NULL;
70	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
71	m_preDBFstatData = NULL;
72	#endif
73	}
74
75	TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset()
76	{
77	destroyEncData();
78	}
79
80	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
81	Void TEncSampleAdaptiveOffset::createEncData(Bool isPreDBFSamplesUsed)
82	#else
83	Void TEncSampleAdaptiveOffset::createEncData()
84	#endif
85	{
86
87	//cabac coder for RDO
88	m_pppcRDSbacCoder = new TEncSbac* [NUM_SAO_CABACSTATE_LABELS];
89	m_pppcBinCoderCABAC = new TEncBinCABACCounter* [NUM_SAO_CABACSTATE_LABELS];
90
91	for(Int cs=0; cs < NUM_SAO_CABACSTATE_LABELS; cs++)
92	{
93	m_pppcRDSbacCoder[cs] = new TEncSbac;
94	m_pppcBinCoderCABAC[cs] = new TEncBinCABACCounter;
95	m_pppcRDSbacCoder [cs]->init( m_pppcBinCoderCABAC [cs] );
96	}
97
98
99	//statistics
100	m_statData = new SAOStatData**[m_numCTUsPic];
101	for(Int i=0; i< m_numCTUsPic; i++)
102	{
103	m_statData[i] = new SAOStatData*[NUM_SAO_COMPONENTS];
104	for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++)
105	{
106	m_statData[i][compIdx] = new SAOStatData[NUM_SAO_NEW_TYPES];
107	}
108	}
109	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
110	if(isPreDBFSamplesUsed)
111	{
112	m_preDBFstatData = new SAOStatData**[m_numCTUsPic];
113	for(Int i=0; i< m_numCTUsPic; i++)
114	{
115	m_preDBFstatData[i] = new SAOStatData*[NUM_SAO_COMPONENTS];
116	for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++)
117	{
118	m_preDBFstatData[i][compIdx] = new SAOStatData[NUM_SAO_NEW_TYPES];
119	}
120	}
121
122	}
123	#endif
124
125	#if SAO_ENCODING_CHOICE
126	::memset(m_saoDisabledRate, 0, sizeof(m_saoDisabledRate));
127	#endif
128
129	for(Int typeIdc=0; typeIdc < NUM_SAO_NEW_TYPES; typeIdc++)
130	{
131	m_skipLinesR[SAO_Y ][typeIdc]= 5;
132	m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 3;
133
134	m_skipLinesB[SAO_Y ][typeIdc]= 4;
135	m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 2;
136
137	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
138	if(isPreDBFSamplesUsed)
139	{
140	switch(typeIdc)
141	{
142	case SAO_TYPE_EO_0:
143	{
144	m_skipLinesR[SAO_Y ][typeIdc]= 5;
145	m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 3;
146
147	m_skipLinesB[SAO_Y ][typeIdc]= 3;
148	m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 1;
149	}
150	break;
151	case SAO_TYPE_EO_90:
152	{
153	m_skipLinesR[SAO_Y ][typeIdc]= 4;
154	m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 2;
155
156	m_skipLinesB[SAO_Y ][typeIdc]= 4;
157	m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 2;
158	}
159	break;
160	case SAO_TYPE_EO_135:
161	case SAO_TYPE_EO_45:
162	{
163	m_skipLinesR[SAO_Y ][typeIdc]= 5;
164	m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 3;
165
166	m_skipLinesB[SAO_Y ][typeIdc]= 4;
167	m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 2;
168	}
169	break;
170	case SAO_TYPE_BO:
171	{
172	m_skipLinesR[SAO_Y ][typeIdc]= 4;
173	m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 2;
174
175	m_skipLinesB[SAO_Y ][typeIdc]= 3;
176	m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 1;
177	}
178	break;
179	default:
180	{
181	printf("Not a supported type");
182	assert(0);
183	exit(-1);
184	}
185	}
186	}
187	#endif
188	}
189
190	}
191
192	Void TEncSampleAdaptiveOffset::destroyEncData()
193	{
194	if(m_pppcRDSbacCoder != NULL)
195	{
196	for (Int cs = 0; cs < NUM_SAO_CABACSTATE_LABELS; cs ++ )
197	{
198	delete m_pppcRDSbacCoder[cs];
199	}
200	delete[] m_pppcRDSbacCoder; m_pppcRDSbacCoder = NULL;
201	}
202
203	if(m_pppcBinCoderCABAC != NULL)
204	{
205	for (Int cs = 0; cs < NUM_SAO_CABACSTATE_LABELS; cs ++ )
206	{
207	delete m_pppcBinCoderCABAC[cs];
208	}
209	delete[] m_pppcBinCoderCABAC; m_pppcBinCoderCABAC = NULL;
210	}
211
212	if(m_statData != NULL)
213	{
214	for(Int i=0; i< m_numCTUsPic; i++)
215	{
216	for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++)
217	{
218	delete[] m_statData[i][compIdx];
219	}
220	delete[] m_statData[i];
221	}
222	delete[] m_statData; m_statData = NULL;
223	}
224	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
225	if(m_preDBFstatData != NULL)
226	{
227	for(Int i=0; i< m_numCTUsPic; i++)
228	{
229	for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++)
230	{
231	delete[] m_preDBFstatData[i][compIdx];
232	}
233	delete[] m_preDBFstatData[i];
234	}
235	delete[] m_preDBFstatData; m_preDBFstatData = NULL;
236	}
237
238	#endif
239	}
240
241	Void TEncSampleAdaptiveOffset::initRDOCabacCoder(TEncSbac* pcRDGoOnSbacCoder, TComSlice* pcSlice)
242	{
243	m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder;
244	m_pcRDGoOnSbacCoder->setSlice(pcSlice);
245	m_pcRDGoOnSbacCoder->resetEntropy();
246	m_pcRDGoOnSbacCoder->resetBits();
247
248	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[SAO_CABACSTATE_PIC_INIT]);
249	}
250
251
252
253	Void TEncSampleAdaptiveOffset::SAOProcess(TComPic* pPic, Bool* sliceEnabled, const Double *lambdas
254	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
255	, Bool isPreDBFSamplesUsed
256	#endif
257	)
258	{
259	TComPicYuv* orgYuv= pPic->getPicYuvOrg();
260	TComPicYuv* resYuv= pPic->getPicYuvRec();
261	m_labmda[SAO_Y]= lambdas[0]; m_labmda[SAO_Cb]= lambdas[1]; m_labmda[SAO_Cr]= lambdas[2];
262	TComPicYuv* srcYuv = m_tempPicYuv;
263	resYuv->copyToPic(srcYuv);
264	srcYuv->setBorderExtension(false);
265	srcYuv->extendPicBorder();
266
267	//collect statistics
268	getStatistics(m_statData, orgYuv, srcYuv, pPic);
269	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
270	if(isPreDBFSamplesUsed)
271	{
272	addPreDBFStatistics(m_statData);
273	}
274	#endif
275	//slice on/off
276	decidePicParams(sliceEnabled, pPic->getSlice(0)->getDepth());
277
278	//block on/off
279	SAOBlkParam* reconParams = new SAOBlkParam[m_numCTUsPic]; //temporary parameter buffer for storing reconstructed SAO parameters
280	decideBlkParams(pPic, sliceEnabled, m_statData, srcYuv, resYuv, reconParams, pPic->getPicSym()->getSAOBlkParam());
281	delete[] reconParams;
282
283	}
284
285	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
286	Void TEncSampleAdaptiveOffset::getPreDBFStatistics(TComPic* pPic)
287	{
288	getStatistics(m_preDBFstatData, pPic->getPicYuvOrg(), pPic->getPicYuvRec(), pPic, true);
289	}
290
291	Void TEncSampleAdaptiveOffset::addPreDBFStatistics(SAOStatData*** blkStats)
292	{
293	for(Int n=0; n< m_numCTUsPic; n++)
294	{
295	for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++)
296	{
297	for(Int typeIdc=0; typeIdc < NUM_SAO_NEW_TYPES; typeIdc++)
298	{
299	blkStats[n][compIdx][typeIdc] += m_preDBFstatData[n][compIdx][typeIdc];
300	}
301	}
302	}
303	}
304
305	#endif
306
307	Void TEncSampleAdaptiveOffset::getStatistics(SAOStatData*** blkStats, TComPicYuv* orgYuv, TComPicYuv* srcYuv, TComPic* pPic
308	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
309	, Bool isCalculatePreDeblockSamples
310	#endif
311	)
312	{
313	Bool isLeftAvail,isRightAvail,isAboveAvail,isBelowAvail,isAboveLeftAvail,isAboveRightAvail,isBelowLeftAvail,isBelowRightAvail;
314
315	for(Int ctu= 0; ctu < m_numCTUsPic; ctu++)
316	{
317	Int yPos = (ctu / m_numCTUInWidth)*m_maxCUHeight;
318	Int xPos = (ctu % m_numCTUInWidth)*m_maxCUWidth;
319	Int height = (yPos + m_maxCUHeight > m_picHeight)?(m_picHeight- yPos):m_maxCUHeight;
320	Int width = (xPos + m_maxCUWidth > m_picWidth )?(m_picWidth - xPos):m_maxCUWidth;
321
322	pPic->getPicSym()->deriveLoopFilterBoundaryAvailibility(ctu, isLeftAvail,isRightAvail,isAboveAvail,isBelowAvail,isAboveLeftAvail,isAboveRightAvail,isBelowLeftAvail,isBelowRightAvail);
323
324	//NOTE: The number of skipped lines during gathering CTU statistics depends on the slice boundary availabilities.
325	//For simplicity, here only picture boundaries are considered.
326
327	isRightAvail = (xPos + m_maxCUWidth < m_picWidth );
328	isBelowAvail = (yPos + m_maxCUHeight < m_picHeight);
329	isBelowRightAvail = (isRightAvail && isBelowAvail);
330	isBelowLeftAvail = ((xPos > 0) && (isBelowAvail));
331	isAboveRightAvail = ((yPos > 0) && (isRightAvail));
332
333	for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++)
334	{
335	Bool isLuma = (compIdx == SAO_Y);
336	Int formatShift= isLuma?0:1;
337
338	Int srcStride = isLuma?srcYuv->getStride():srcYuv->getCStride();
339	Pel* srcBlk = getPicBuf(srcYuv, compIdx)+ (yPos >> formatShift)*srcStride+ (xPos >> formatShift);
340
341	Int orgStride = isLuma?orgYuv->getStride():orgYuv->getCStride();
342	Pel* orgBlk = getPicBuf(orgYuv, compIdx)+ (yPos >> formatShift)*orgStride+ (xPos >> formatShift);
343
344	getBlkStats(compIdx, blkStats[ctu][compIdx]
345	, srcBlk, orgBlk, srcStride, orgStride, (width >> formatShift), (height >> formatShift)
346	, isLeftAvail, isRightAvail, isAboveAvail, isBelowAvail, isAboveLeftAvail, isAboveRightAvail, isBelowLeftAvail, isBelowRightAvail
347	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
348	, isCalculatePreDeblockSamples
349	#endif
350	);
351
352	}
353	}
354	}
355
356	Void TEncSampleAdaptiveOffset::decidePicParams(Bool* sliceEnabled, Int picTempLayer)
357	{
358	//decide sliceEnabled[compIdx]
359	for (Int compIdx=0; compIdx<NUM_SAO_COMPONENTS; compIdx++)
360	{
361	// reset flags & counters
362	sliceEnabled[compIdx] = true;
363
364	#if SAO_ENCODING_CHOICE
365	#if SAO_ENCODING_CHOICE_CHROMA
366	// decide slice-level on/off based on previous results
367	if( (picTempLayer > 0)
368	&& (m_saoDisabledRate[compIdx][picTempLayer-1] > ((compIdx==SAO_Y) ? SAO_ENCODING_RATE : SAO_ENCODING_RATE_CHROMA)) )
369	{
370	sliceEnabled[compIdx] = false;
371	}
372	#else
373	// decide slice-level on/off based on previous results
374	if( (picTempLayer > 0)
375	&& (m_saoDisabledRate[SAO_Y][0] > SAO_ENCODING_RATE) )
376	{
377	sliceEnabled[compIdx] = false;
378	}
379	#endif
380	#endif
381	}
382	}
383
384	Int64 TEncSampleAdaptiveOffset::getDistortion(Int ctu, Int compIdx, Int typeIdc, Int typeAuxInfo, Int* invQuantOffset, SAOStatData& statData)
385	{
386	Int64 dist=0;
387	Int inputBitDepth = (compIdx == SAO_Y) ? g_bitDepthY : g_bitDepthC ;
388	Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(inputBitDepth-8);
389
390	switch(typeIdc)
391	{
392	case SAO_TYPE_EO_0:
393	case SAO_TYPE_EO_90:
394	case SAO_TYPE_EO_135:
395	case SAO_TYPE_EO_45:
396	{
397	for (Int offsetIdx=0; offsetIdx<NUM_SAO_EO_CLASSES; offsetIdx++)
398	{
399	dist += estSaoDist( statData.count[offsetIdx], invQuantOffset[offsetIdx], statData.diff[offsetIdx], shift);
400	}
401	}
402	break;
403	case SAO_TYPE_BO:
404	{
405	for (Int offsetIdx=typeAuxInfo; offsetIdx<typeAuxInfo+4; offsetIdx++)
406	{
407	Int bandIdx = offsetIdx % NUM_SAO_BO_CLASSES ;
408	dist += estSaoDist( statData.count[bandIdx], invQuantOffset[bandIdx], statData.diff[bandIdx], shift);
409	}
410	}
411	break;
412	default:
413	{
414	printf("Not a supported type");
415	assert(0);
416	exit(-1);
417	}
418	}
419
420	return dist;
421	}
422
423	inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 diffSum, Int shift)
424	{
425	return (( countoffsetoffset-diffSumoffset2 ) >> shift);
426	}
427
428
429	inline Int TEncSampleAdaptiveOffset::estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int offsetInput, Int64 count, Int64 diffSum, Int shift, Int bitIncrease, Int64& bestDist, Double& bestCost, Int offsetTh )
430	{
431	Int iterOffset, tempOffset;
432	Int64 tempDist, tempRate;
433	Double tempCost, tempMinCost;
434	Int offsetOutput = 0;
435	iterOffset = offsetInput;
436	// 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.
437	tempMinCost = lambda;
438	while (iterOffset != 0)
439	{
440	// Calculate the bits required for signaling the offset
441	tempRate = (typeIdx == SAO_TYPE_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1);
442	if (abs((Int)iterOffset)==offsetTh) //inclusive
443	{
444	tempRate --;
445	}
446	// Do the dequantization before distortion calculation
447	tempOffset = iterOffset << bitIncrease;
448	tempDist = estSaoDist( count, tempOffset, diffSum, shift);
449	tempCost = ((Double)tempDist + lambda * (Double) tempRate);
450	if(tempCost < tempMinCost)
451	{
452	tempMinCost = tempCost;
453	offsetOutput = iterOffset;
454	bestDist = tempDist;
455	bestCost = tempCost;
456	}
457	iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1);
458	}
459	return offsetOutput;
460	}
461
462
463	Void TEncSampleAdaptiveOffset::deriveOffsets(Int ctu, Int compIdx, Int typeIdc, SAOStatData& statData, Int* quantOffsets, Int& typeAuxInfo)
464	{
465	Int bitDepth = (compIdx== SAO_Y) ? g_bitDepthY : g_bitDepthC;
466	Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(bitDepth-8);
467	Int offsetTh = g_saoMaxOffsetQVal[compIdx]; //inclusive
468
469	::memset(quantOffsets, 0, sizeof(Int)*MAX_NUM_SAO_CLASSES);
470
471	//derive initial offsets
472	Int numClasses = (typeIdc == SAO_TYPE_BO)?((Int)NUM_SAO_BO_CLASSES):((Int)NUM_SAO_EO_CLASSES);
473	for(Int classIdx=0; classIdx< numClasses; classIdx++)
474	{
475	if( (typeIdc != SAO_TYPE_BO) && (classIdx==SAO_CLASS_EO_PLAIN) )
476	{
477	continue; //offset will be zero
478	}
479
480	if(statData.count[classIdx] == 0)
481	{
482	continue; //offset will be zero
483	}
484
485	quantOffsets[classIdx] = (Int) xRoundIbdi(bitDepth, (Double)( statData.diff[classIdx]<<(bitDepth-8))
486	/
487	(Double)( statData.count[classIdx]<< m_offsetStepLog2[compIdx])
488	);
489	quantOffsets[classIdx] = Clip3(-offsetTh, offsetTh, quantOffsets[classIdx]);
490	}
491
492	// adjust offsets
493	switch(typeIdc)
494	{
495	case SAO_TYPE_EO_0:
496	case SAO_TYPE_EO_90:
497	case SAO_TYPE_EO_135:
498	case SAO_TYPE_EO_45:
499	{
500	Int64 classDist;
501	Double classCost;
502	for(Int classIdx=0; classIdx<NUM_SAO_EO_CLASSES; classIdx++)
503	{
504	if(classIdx==SAO_CLASS_EO_FULL_VALLEY && quantOffsets[classIdx] < 0) quantOffsets[classIdx] =0;
505	if(classIdx==SAO_CLASS_EO_HALF_VALLEY && quantOffsets[classIdx] < 0) quantOffsets[classIdx] =0;
506	if(classIdx==SAO_CLASS_EO_HALF_PEAK && quantOffsets[classIdx] > 0) quantOffsets[classIdx] =0;
507	if(classIdx==SAO_CLASS_EO_FULL_PEAK && quantOffsets[classIdx] > 0) quantOffsets[classIdx] =0;
508
509	if( quantOffsets[classIdx] != 0 ) //iterative adjustment only when derived offset is not zero
510	{
511	quantOffsets[classIdx] = estIterOffset( typeIdc, classIdx, m_labmda[compIdx], quantOffsets[classIdx], statData.count[classIdx], statData.diff[classIdx], shift, m_offsetStepLog2[compIdx], classDist , classCost , offsetTh );
512	}
513	}
514
515	typeAuxInfo =0;
516	}
517	break;
518	case SAO_TYPE_BO:
519	{
520	Int64 distBOClasses[NUM_SAO_BO_CLASSES];
521	Double costBOClasses[NUM_SAO_BO_CLASSES];
522	::memset(distBOClasses, 0, sizeof(Int64)*NUM_SAO_BO_CLASSES);
523	for(Int classIdx=0; classIdx< NUM_SAO_BO_CLASSES; classIdx++)
524	{
525	costBOClasses[classIdx]= m_labmda[compIdx];
526	if( quantOffsets[classIdx] != 0 ) //iterative adjustment only when derived offset is not zero
527	{
528	quantOffsets[classIdx] = estIterOffset( typeIdc, classIdx, m_labmda[compIdx], quantOffsets[classIdx], statData.count[classIdx], statData.diff[classIdx], shift, m_offsetStepLog2[compIdx], distBOClasses[classIdx], costBOClasses[classIdx], offsetTh );
529	}
530	}
531
532	//decide the starting band index
533	Double minCost = MAX_DOUBLE, cost;
534	for(Int band=0; band< NUM_SAO_BO_CLASSES- 4+ 1; band++)
535	{
536	cost = costBOClasses[band ];
537	cost += costBOClasses[band+1];
538	cost += costBOClasses[band+2];
539	cost += costBOClasses[band+3];
540
541	if(cost < minCost)
542	{
543	minCost = cost;
544	typeAuxInfo = band;
545	}
546	}
547	//clear those unused classes
548	Int clearQuantOffset[NUM_SAO_BO_CLASSES];
549	::memset(clearQuantOffset, 0, sizeof(Int)*NUM_SAO_BO_CLASSES);
550	for(Int i=0; i< 4; i++)
551	{
552	Int band = (typeAuxInfo+i)%NUM_SAO_BO_CLASSES;
553	clearQuantOffset[band] = quantOffsets[band];
554	}
555	::memcpy(quantOffsets, clearQuantOffset, sizeof(Int)*NUM_SAO_BO_CLASSES);
556	}
557	break;
558	default:
559	{
560	printf("Not a supported type");
561	assert(0);
562	exit(-1);
563	}
564
565	}
566
567
568	}
569
570
571	Void TEncSampleAdaptiveOffset::deriveModeNewRDO(Int ctu, std::vector<SAOBlkParam>& mergeList, Bool sliceEnabled, SAOStatData* blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac cabacCoderRDO, Int inCabacLabel)
572	{
573	Double minCost, cost;
574	Int rate, minRate;
575	Int64 dist[NUM_SAO_COMPONENTS], modeDist[NUM_SAO_COMPONENTS];
576	SAOOffset testOffset[NUM_SAO_COMPONENTS];
577	Int compIdx;
578	Int invQuantOffset[MAX_NUM_SAO_CLASSES];
579
580	modeDist[SAO_Y]= modeDist[SAO_Cb] = modeDist[SAO_Cr] = 0;
581
582	//pre-encode merge flags
583	modeParam[SAO_Y ].modeIdc = SAO_MODE_OFF;
584	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]);
585	m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), true);
586	m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]);
587
588	//------ luma --------//
589	compIdx = SAO_Y;
590	//"off" case as initial cost
591	modeParam[compIdx].modeIdc = SAO_MODE_OFF;
592	m_pcRDGoOnSbacCoder->resetBits();
593	m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, modeParam[compIdx], sliceEnabled[compIdx]);
594	minRate= m_pcRDGoOnSbacCoder->getNumberOfWrittenBits();
595	modeDist[compIdx] = 0;
596	minCost= m_labmda[compIdx]*((Double)minRate);
597	m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]);
598	if(sliceEnabled[compIdx])
599	{
600	for(Int typeIdc=0; typeIdc< NUM_SAO_NEW_TYPES; typeIdc++)
601	{
602	testOffset[compIdx].modeIdc = SAO_MODE_NEW;
603	testOffset[compIdx].typeIdc = typeIdc;
604
605	//derive coded offset
606	deriveOffsets(ctu, compIdx, typeIdc, blkStats[ctu][compIdx][typeIdc], testOffset[compIdx].offset, testOffset[compIdx].typeAuxInfo);
607
608	//inversed quantized offsets
609	invertQuantOffsets(compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, testOffset[compIdx].offset);
610
611	//get distortion
612	dist[compIdx] = getDistortion(ctu, compIdx, testOffset[compIdx].typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, blkStats[ctu][compIdx][typeIdc]);
613
614	//get rate
615	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]);
616	m_pcRDGoOnSbacCoder->resetBits();
617	m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, testOffset[compIdx], sliceEnabled[compIdx]);
618	rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits();
619	cost = (Double)dist[compIdx] + m_labmda[compIdx]*((Double)rate);
620	if(cost < minCost)
621	{
622	minCost = cost;
623	minRate = rate;
624	modeDist[compIdx] = dist[compIdx];
625	modeParam[compIdx]= testOffset[compIdx];
626	m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]);
627	}
628	}
629	}
630	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]);
631	m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]);
632
633	//------ chroma --------//
634	assert(m_labmda[SAO_Cb] == m_labmda[SAO_Cr]);
635	Double chromaLambda = m_labmda[SAO_Cb];
636	//"off" case as initial cost
637	m_pcRDGoOnSbacCoder->resetBits();
638	modeParam[SAO_Cb].modeIdc = SAO_MODE_OFF;
639	m_pcRDGoOnSbacCoder->codeSAOOffsetParam(SAO_Cb, modeParam[SAO_Cb], sliceEnabled[SAO_Cb]);
640	modeParam[SAO_Cr].modeIdc = SAO_MODE_OFF;
641	m_pcRDGoOnSbacCoder->codeSAOOffsetParam(SAO_Cr, modeParam[SAO_Cr], sliceEnabled[SAO_Cr]);
642	minRate= m_pcRDGoOnSbacCoder->getNumberOfWrittenBits();
643	modeDist[SAO_Cb] = modeDist[SAO_Cr]= 0;
644	minCost= chromaLambda*((Double)minRate);
645
646	//doesn't need to store cabac status here since the whole CTU parameters will be re-encoded at the end of this function
647
648	for(Int typeIdc=0; typeIdc< NUM_SAO_NEW_TYPES; typeIdc++)
649	{
650	for(compIdx= SAO_Cb; compIdx< NUM_SAO_COMPONENTS; compIdx++)
651	{
652	if(!sliceEnabled[compIdx])
653	{
654	testOffset[compIdx].modeIdc = SAO_MODE_OFF;
655	dist[compIdx]= 0;
656	continue;
657	}
658	testOffset[compIdx].modeIdc = SAO_MODE_NEW;
659	testOffset[compIdx].typeIdc = typeIdc;
660
661	//derive offset & get distortion
662	deriveOffsets(ctu, compIdx, typeIdc, blkStats[ctu][compIdx][typeIdc], testOffset[compIdx].offset, testOffset[compIdx].typeAuxInfo);
663	invertQuantOffsets(compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, testOffset[compIdx].offset);
664	dist[compIdx]= getDistortion(ctu, compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, blkStats[ctu][compIdx][typeIdc]);
665	}
666
667	//get rate
668	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]);
669	m_pcRDGoOnSbacCoder->resetBits();
670	m_pcRDGoOnSbacCoder->codeSAOOffsetParam(SAO_Cb, testOffset[SAO_Cb], sliceEnabled[SAO_Cb]);
671	m_pcRDGoOnSbacCoder->codeSAOOffsetParam(SAO_Cr, testOffset[SAO_Cr], sliceEnabled[SAO_Cr]);
672	rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits();
673
674	cost = (Double)(dist[SAO_Cb]+ dist[SAO_Cr]) + chromaLambda*((Double)rate);
675	if(cost < minCost)
676	{
677	minCost = cost;
678	minRate = rate;
679	modeDist[SAO_Cb] = dist[SAO_Cb];
680	modeDist[SAO_Cr] = dist[SAO_Cr];
681	modeParam[SAO_Cb]= testOffset[SAO_Cb];
682	modeParam[SAO_Cr]= testOffset[SAO_Cr];
683	}
684	}
685
686
687	//----- re-gen rate & normalized cost----//
688	modeNormCost = (Double)modeDist[SAO_Y]/m_labmda[SAO_Y];
689	modeNormCost += (Double)(modeDist[SAO_Cb]+ modeDist[SAO_Cr])/chromaLambda;
690	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]);
691	m_pcRDGoOnSbacCoder->resetBits();
692	m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false);
693	modeNormCost += (Double)m_pcRDGoOnSbacCoder->getNumberOfWrittenBits();
694
695	}
696
697	Void TEncSampleAdaptiveOffset::deriveModeMergeRDO(Int ctu, std::vector<SAOBlkParam>& mergeList, Bool sliceEnabled, SAOStatData* blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac cabacCoderRDO, Int inCabacLabel)
698	{
699	Int mergeListSize = (Int)mergeList.size();
700	modeNormCost = MAX_DOUBLE;
701
702	Double cost;
703	SAOBlkParam testBlkParam;
704
705	for(Int mergeType=0; mergeType< mergeListSize; mergeType++)
706	{
707	if(mergeList[mergeType] == NULL)
708	{
709	continue;
710	}
711
712	testBlkParam = *(mergeList[mergeType]);
713	//normalized distortion
714	Double normDist=0;
715	for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++)
716	{
717	testBlkParam[compIdx].modeIdc = SAO_MODE_MERGE;
718	testBlkParam[compIdx].typeIdc = mergeType;
719
720	SAOOffset& mergedOffsetParam = (*(mergeList[mergeType]))[compIdx];
721
722	if( mergedOffsetParam.modeIdc != SAO_MODE_OFF)
723	{
724	//offsets have been reconstructed. Don't call inversed quantization function.
725	normDist += (((Double)getDistortion(ctu, compIdx, mergedOffsetParam.typeIdc, mergedOffsetParam.typeAuxInfo, mergedOffsetParam.offset, blkStats[ctu][compIdx][mergedOffsetParam.typeIdc]))
726	/m_labmda[compIdx]
727	);
728	}
729
730	}
731
732	//rate
733	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]);
734	m_pcRDGoOnSbacCoder->resetBits();
735	m_pcRDGoOnSbacCoder->codeSAOBlkParam(testBlkParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false);
736	Int rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits();
737
738	cost = normDist+(Double)rate;
739
740	if(cost < modeNormCost)
741	{
742	modeNormCost = cost;
743	modeParam = testBlkParam;
744	m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]);
745	}
746	}
747
748	m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]);
749
750
751	}
752
753	Void TEncSampleAdaptiveOffset::decideBlkParams(TComPic* pic, Bool* sliceEnabled, SAOStatData*** blkStats, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam* reconParams, SAOBlkParam* codedParams)
754	{
755	Bool isAllBlksDisabled = false;
756	if(!sliceEnabled[SAO_Y] && !sliceEnabled[SAO_Cb] && !sliceEnabled[SAO_Cr])
757	{
758	isAllBlksDisabled = true;
759	}
760
761	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_PIC_INIT ]);
762
763	SAOBlkParam modeParam;
764	Double minCost, modeCost;
765
766	for(Int ctu=0; ctu< m_numCTUsPic; ctu++)
767	{
768	if(isAllBlksDisabled)
769	{
770	codedParams[ctu].reset();
771	continue;
772	}
773
774	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_CUR ]);
775
776	//get merge list
777	std::vector<SAOBlkParam*> mergeList;
778	getMergeList(pic, ctu, reconParams, mergeList);
779
780	minCost = MAX_DOUBLE;
781	for(Int mode=0; mode < NUM_SAO_MODES; mode++)
782	{
783	switch(mode)
784	{
785	case SAO_MODE_OFF:
786	{
787	continue; //not necessary, since all-off case will be tested in SAO_MODE_NEW case.
788	}
789	break;
790	case SAO_MODE_NEW:
791	{
792	deriveModeNewRDO(ctu, mergeList, sliceEnabled, blkStats, modeParam, modeCost, m_pppcRDSbacCoder, SAO_CABACSTATE_BLK_CUR);
793
794	}
795	break;
796	case SAO_MODE_MERGE:
797	{
798	deriveModeMergeRDO(ctu, mergeList, sliceEnabled, blkStats , modeParam, modeCost, m_pppcRDSbacCoder, SAO_CABACSTATE_BLK_CUR);
799	}
800	break;
801	default:
802	{
803	printf("Not a supported SAO mode\n");
804	assert(0);
805	exit(-1);
806	}
807	}
808
809	if(modeCost < minCost)
810	{
811	minCost = modeCost;
812	codedParams[ctu] = modeParam;
813	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_NEXT ]);
814
815	}
816	} //mode
817	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_NEXT ]);
818
819	//apply reconstructed offsets
820	reconParams[ctu] = codedParams[ctu];
821	reconstructBlkSAOParam(reconParams[ctu], mergeList);
822	offsetCTU(ctu, srcYuv, resYuv, reconParams[ctu], pic);
823	} //ctu
824
825	#if SAO_ENCODING_CHOICE
826	Int picTempLayer = pic->getSlice(0)->getDepth();
827	Int numLcusForSAOOff[NUM_SAO_COMPONENTS];
828	numLcusForSAOOff[SAO_Y ] = numLcusForSAOOff[SAO_Cb]= numLcusForSAOOff[SAO_Cr]= 0;
829
830	for (Int compIdx=0; compIdx<NUM_SAO_COMPONENTS; compIdx++)
831	{
832	for(Int ctu=0; ctu< m_numCTUsPic; ctu++)
833	{
834	if( reconParams[ctu][compIdx].modeIdc == SAO_MODE_OFF)
835	{
836	numLcusForSAOOff[compIdx]++;
837	}
838	}
839	}
840	#if SAO_ENCODING_CHOICE_CHROMA
841	for (Int compIdx=0; compIdx<NUM_SAO_COMPONENTS; compIdx++)
842	{
843	m_saoDisabledRate[compIdx][picTempLayer] = (Double)numLcusForSAOOff[compIdx]/(Double)m_numCTUsPic;
844	}
845	#else
846	if (picTempLayer == 0)
847	{
848	m_saoDisabledRate[SAO_Y][0] = (Double)(numLcusForSAOOff[SAO_Y]+numLcusForSAOOff[SAO_Cb]+numLcusForSAOOff[SAO_Cr])/(Double)(m_numCTUsPic*3);
849	}
850	#endif
851	#endif
852	}
853
854
855	Void TEncSampleAdaptiveOffset::getBlkStats(Int compIdx, SAOStatData* statsDataTypes
856	, Pel* srcBlk, Pel* orgBlk, Int srcStride, Int orgStride, Int width, Int height
857	, Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail
858	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
859	, Bool isCalculatePreDeblockSamples
860	#endif
861	)
862	{
863	if(m_lineBufWidth != m_maxCUWidth)
864	{
865	m_lineBufWidth = m_maxCUWidth;
866
867	if (m_signLineBuf1) delete[] m_signLineBuf1; m_signLineBuf1 = NULL;
868	m_signLineBuf1 = new Char[m_lineBufWidth+1];
869
870	if (m_signLineBuf2) delete[] m_signLineBuf2; m_signLineBuf2 = NULL;
871	m_signLineBuf2 = new Char[m_lineBufWidth+1];
872	}
873
874	Int x,y, startX, startY, endX, endY, edgeType, firstLineStartX, firstLineEndX;
875	Char signLeft, signRight, signDown;
876	Int64 diff, count;
877	Pel srcLine, orgLine;
878	Int* skipLinesR = m_skipLinesR[compIdx];
879	Int* skipLinesB = m_skipLinesB[compIdx];
880
881	for(Int typeIdx=0; typeIdx< NUM_SAO_NEW_TYPES; typeIdx++)
882	{
883	SAOStatData& statsData= statsDataTypes[typeIdx];
884	statsData.reset();
885
886	srcLine = srcBlk;
887	orgLine = orgBlk;
888	diff = statsData.diff;
889	count = statsData.count;
890	switch(typeIdx)
891	{
892	case SAO_TYPE_EO_0:
893	{
894	diff +=2;
895	count+=2;
896	endY = (isBelowAvail) ? (height - skipLinesB[typeIdx]) : height;
897	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
898	startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1)
899	: (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1))
900	;
901	#else
902	startX = isLeftAvail ? 0 : 1;
903	#endif
904	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
905	endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1))
906	: (isRightAvail ? width : (width - 1))
907	;
908	#else
909	endX = isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1);
910	#endif
911	for (y=0; y<endY; y++)
912	{
913	signLeft = (Char)m_sign[srcLine[startX] - srcLine[startX-1]];
914	for (x=startX; x<endX; x++)
915	{
916	signRight = (Char)m_sign[srcLine[x] - srcLine[x+1]];
917	edgeType = signRight + signLeft;
918	signLeft = -signRight;
919
920	diff [edgeType] += (orgLine[x] - srcLine[x]);
921	count[edgeType] ++;
922	}
923	srcLine += srcStride;
924	orgLine += orgStride;
925	}
926	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
927	if(isCalculatePreDeblockSamples)
928	{
929	if(isBelowAvail)
930	{
931	startX = isLeftAvail ? 0 : 1;
932	endX = isRightAvail ? width : (width -1);
933
934	for(y=0; y<skipLinesB[typeIdx]; y++)
935	{
936	signLeft = (Char)m_sign[srcLine[startX] - srcLine[startX-1]];
937	for (x=startX; x<endX; x++)
938	{
939	signRight = (Char)m_sign[srcLine[x] - srcLine[x+1]];
940	edgeType = signRight + signLeft;
941	signLeft = -signRight;
942
943	diff [edgeType] += (orgLine[x] - srcLine[x]);
944	count[edgeType] ++;
945	}
946	srcLine += srcStride;
947	orgLine += orgStride;
948	}
949	}
950	}
951	#endif
952	}
953	break;
954	case SAO_TYPE_EO_90:
955	{
956	diff +=2;
957	count+=2;
958	Char *signUpLine = m_signLineBuf1;
959
960	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
961	startX = (!isCalculatePreDeblockSamples) ? 0
962	: (isRightAvail ? (width - skipLinesR[typeIdx]) : width)
963	;
964	#endif
965	startY = isAboveAvail ? 0 : 1;
966	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
967	endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : width)
968	: width
969	;
970	#else
971	endX = isRightAvail ? (width - skipLinesR[typeIdx]) : width ;
972	#endif
973	endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1);
974	if (!isAboveAvail)
975	{
976	srcLine += srcStride;
977	orgLine += orgStride;
978	}
979
980	Pel* srcLineAbove = srcLine - srcStride;
981	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
982	for (x=startX; x<endX; x++)
983	#else
984	for (x=0; x< endX; x++)
985	#endif
986	{
987	signUpLine[x] = (Char)m_sign[srcLine[x] - srcLineAbove[x]];
988	}
989
990	Pel* srcLineBelow;
991	for (y=startY; y<endY; y++)
992	{
993	srcLineBelow = srcLine + srcStride;
994
995	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
996	for (x=startX; x<endX; x++)
997	#else
998	for (x=0; x<endX; x++)
999	#endif
1000	{
1001	signDown = (Char)m_sign[srcLine[x] - srcLineBelow[x]];
1002	edgeType = signDown + signUpLine[x];
1003	signUpLine[x]= -signDown;
1004
1005	diff [edgeType] += (orgLine[x] - srcLine[x]);
1006	count[edgeType] ++;
1007	}
1008	srcLine += srcStride;
1009	orgLine += orgStride;
1010	}
1011	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1012	if(isCalculatePreDeblockSamples)
1013	{
1014	if(isBelowAvail)
1015	{
1016	startX = 0;
1017	endX = width;
1018
1019	for(y=0; y<skipLinesB[typeIdx]; y++)
1020	{
1021	srcLineBelow = srcLine + srcStride;
1022	srcLineAbove = srcLine - srcStride;
1023
1024	for (x=startX; x<endX; x++)
1025	{
1026	edgeType = m_sign[srcLine[x] - srcLineBelow[x]] + m_sign[srcLine[x] - srcLineAbove[x]];
1027	diff [edgeType] += (orgLine[x] - srcLine[x]);
1028	count[edgeType] ++;
1029	}
1030	srcLine += srcStride;
1031	orgLine += orgStride;
1032	}
1033	}
1034	}
1035	#endif
1036
1037	}
1038	break;
1039	case SAO_TYPE_EO_135:
1040	{
1041	diff +=2;
1042	count+=2;
1043	Char signUpLine, signDownLine, *signTmpLine;
1044
1045	signUpLine = m_signLineBuf1;
1046	signDownLine= m_signLineBuf2;
1047
1048	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1049	startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1)
1050	: (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1))
1051	;
1052	#else
1053	startX = isLeftAvail ? 0 : 1 ;
1054	#endif
1055
1056	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1057	endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1))
1058	: (isRightAvail ? width : (width - 1))
1059	;
1060	#else
1061	endX = isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1);
1062	#endif
1063	endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1);
1064
1065	//prepare 2nd line's upper sign
1066	Pel* srcLineBelow = srcLine + srcStride;
1067	for (x=startX; x<endX+1; x++)
1068	{
1069	signUpLine[x] = (Char)m_sign[srcLineBelow[x] - srcLine[x-1]];
1070	}
1071
1072	//1st line
1073	Pel* srcLineAbove = srcLine - srcStride;
1074	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1075	firstLineStartX = (!isCalculatePreDeblockSamples) ? (isAboveLeftAvail ? 0 : 1) : startX;
1076	firstLineEndX = (!isCalculatePreDeblockSamples) ? (isAboveAvail ? endX : 1) : endX;
1077	#else
1078	firstLineStartX = isAboveLeftAvail ? 0 : 1;
1079	firstLineEndX = isAboveAvail ? endX : 1;
1080	#endif
1081	for(x=firstLineStartX; x<firstLineEndX; x++)
1082	{
1083	edgeType = m_sign[srcLine[x] - srcLineAbove[x-1]] - signUpLine[x+1];
1084	diff [edgeType] += (orgLine[x] - srcLine[x]);
1085	count[edgeType] ++;
1086	}
1087	srcLine += srcStride;
1088	orgLine += orgStride;
1089
1090
1091	//middle lines
1092	for (y=1; y<endY; y++)
1093	{
1094	srcLineBelow = srcLine + srcStride;
1095
1096	for (x=startX; x<endX; x++)
1097	{
1098	signDown = (Char)m_sign[srcLine[x] - srcLineBelow[x+1]] ;
1099	edgeType = signDown + signUpLine[x];
1100	diff [edgeType] += (orgLine[x] - srcLine[x]);
1101	count[edgeType] ++;
1102
1103	signDownLine[x+1] = -signDown;
1104	}
1105	signDownLine[startX] = (Char)m_sign[srcLineBelow[startX] - srcLine[startX-1]];
1106
1107	signTmpLine = signUpLine;
1108	signUpLine = signDownLine;
1109	signDownLine = signTmpLine;
1110
1111	srcLine += srcStride;
1112	orgLine += orgStride;
1113	}
1114	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1115	if(isCalculatePreDeblockSamples)
1116	{
1117	if(isBelowAvail)
1118	{
1119	startX = isLeftAvail ? 0 : 1 ;
1120	endX = isRightAvail ? width : (width -1);
1121
1122	for(y=0; y<skipLinesB[typeIdx]; y++)
1123	{
1124	srcLineBelow = srcLine + srcStride;
1125	srcLineAbove = srcLine - srcStride;
1126
1127	for (x=startX; x< endX; x++)
1128	{
1129	edgeType = m_sign[srcLine[x] - srcLineBelow[x+1]] + m_sign[srcLine[x] - srcLineAbove[x-1]];
1130	diff [edgeType] += (orgLine[x] - srcLine[x]);
1131	count[edgeType] ++;
1132	}
1133	srcLine += srcStride;
1134	orgLine += orgStride;
1135	}
1136	}
1137	}
1138	#endif
1139	}
1140	break;
1141	case SAO_TYPE_EO_45:
1142	{
1143	diff +=2;
1144	count+=2;
1145	Char *signUpLine = m_signLineBuf1+1;
1146
1147	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1148	startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1)
1149	: (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1))
1150	;
1151	#else
1152	startX = isLeftAvail ? 0 : 1;
1153	#endif
1154	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1155	endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1))
1156	: (isRightAvail ? width : (width - 1))
1157	;
1158	#else
1159	endX = isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1);
1160	#endif
1161	endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1);
1162
1163	//prepare 2nd line upper sign
1164	Pel* srcLineBelow = srcLine + srcStride;
1165	for (x=startX-1; x<endX; x++)
1166	{
1167	signUpLine[x] = (Char)m_sign[srcLineBelow[x] - srcLine[x+1]];
1168	}
1169
1170
1171	//first line
1172	Pel* srcLineAbove = srcLine - srcStride;
1173	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1174	firstLineStartX = (!isCalculatePreDeblockSamples) ? (isAboveAvail ? startX : endX)
1175	: startX
1176	;
1177	firstLineEndX = (!isCalculatePreDeblockSamples) ? ((!isRightAvail && isAboveRightAvail) ? width : endX)
1178	: endX
1179	;
1180	#else
1181	firstLineStartX = isAboveAvail ? startX : endX;
1182	firstLineEndX = (!isRightAvail && isAboveRightAvail) ? width : endX;
1183	#endif
1184	for(x=firstLineStartX; x<firstLineEndX; x++)
1185	{
1186	edgeType = m_sign[srcLine[x] - srcLineAbove[x+1]] - signUpLine[x-1];
1187	diff [edgeType] += (orgLine[x] - srcLine[x]);
1188	count[edgeType] ++;
1189	}
1190
1191	srcLine += srcStride;
1192	orgLine += orgStride;
1193
1194	//middle lines
1195	for (y=1; y<endY; y++)
1196	{
1197	srcLineBelow = srcLine + srcStride;
1198
1199	for(x=startX; x<endX; x++)
1200	{
1201	signDown = (Char)m_sign[srcLine[x] - srcLineBelow[x-1]] ;
1202	edgeType = signDown + signUpLine[x];
1203
1204	diff [edgeType] += (orgLine[x] - srcLine[x]);
1205	count[edgeType] ++;
1206
1207	signUpLine[x-1] = -signDown;
1208	}
1209	signUpLine[endX-1] = (Char)m_sign[srcLineBelow[endX-1] - srcLine[endX]];
1210	srcLine += srcStride;
1211	orgLine += orgStride;
1212	}
1213	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1214	if(isCalculatePreDeblockSamples)
1215	{
1216	if(isBelowAvail)
1217	{
1218	startX = isLeftAvail ? 0 : 1 ;
1219	endX = isRightAvail ? width : (width -1);
1220
1221	for(y=0; y<skipLinesB[typeIdx]; y++)
1222	{
1223	srcLineBelow = srcLine + srcStride;
1224	srcLineAbove = srcLine - srcStride;
1225
1226	for (x=startX; x<endX; x++)
1227	{
1228	edgeType = m_sign[srcLine[x] - srcLineBelow[x-1]] + m_sign[srcLine[x] - srcLineAbove[x+1]];
1229	diff [edgeType] += (orgLine[x] - srcLine[x]);
1230	count[edgeType] ++;
1231	}
1232	srcLine += srcStride;
1233	orgLine += orgStride;
1234	}
1235	}
1236	}
1237	#endif
1238	}
1239	break;
1240	case SAO_TYPE_BO:
1241	{
1242	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1243	startX = (!isCalculatePreDeblockSamples)?0
1244	:( isRightAvail?(width- skipLinesR[typeIdx]):width)
1245	;
1246	endX = (!isCalculatePreDeblockSamples)?(isRightAvail ? (width - skipLinesR[typeIdx]) : width )
1247	:width
1248	;
1249	#else
1250	endX = isRightAvail ? (width- skipLinesR[typeIdx]) : width;
1251	#endif
1252	endY = isBelowAvail ? (height- skipLinesB[typeIdx]) : height;
1253	Int shiftBits = ((compIdx == SAO_Y)?g_bitDepthY:g_bitDepthC)- NUM_SAO_BO_CLASSES_LOG2;
1254	for (y=0; y< endY; y++)
1255	{
1256	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1257	for (x=startX; x< endX; x++)
1258	#else
1259	for (x=0; x< endX; x++)
1260	#endif
1261	{
1262
1263	Int bandIdx= srcLine[x] >> shiftBits;
1264	diff [bandIdx] += (orgLine[x] - srcLine[x]);
1265	count[bandIdx] ++;
1266	}
1267	srcLine += srcStride;
1268	orgLine += orgStride;
1269	}
1270	#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
1271	if(isCalculatePreDeblockSamples)
1272	{
1273	if(isBelowAvail)
1274	{
1275	startX = 0;
1276	endX = width;
1277
1278	for(y= 0; y< skipLinesB[typeIdx]; y++)
1279	{
1280	for (x=startX; x< endX; x++)
1281	{
1282	Int bandIdx= srcLine[x] >> shiftBits;
1283	diff [bandIdx] += (orgLine[x] - srcLine[x]);
1284	count[bandIdx] ++;
1285	}
1286	srcLine += srcStride;
1287	orgLine += orgStride;
1288
1289	}
1290
1291	}
1292	}
1293	#endif
1294	}
1295	break;
1296	default:
1297	{
1298	printf("Not a supported SAO types\n");
1299	assert(0);
1300	exit(-1);
1301	}
1302	}
1303	}
1304	}
1305
1306	#else
1307
1308
1309
1310	TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset()
1311	{
1312	m_pcEntropyCoder = NULL;
1313	m_pppcRDSbacCoder = NULL;
1314	m_pcRDGoOnSbacCoder = NULL;
1315	m_pppcBinCoderCABAC = NULL;
1316	m_iCount = NULL;
1317	m_iOffset = NULL;
1318	m_iOffsetOrg = NULL;
1319	m_iRate = NULL;
1320	m_iDist = NULL;
1321	m_dCost = NULL;
1322	m_dCostPartBest = NULL;
1323	m_iDistOrg = NULL;
1324	m_iTypePartBest = NULL;
1325	#if SAO_ENCODING_CHOICE_CHROMA
1326	m_depthSaoRate[0][0] = 0;
1327	m_depthSaoRate[0][1] = 0;
1328	m_depthSaoRate[0][2] = 0;
1329	m_depthSaoRate[0][3] = 0;
1330	m_depthSaoRate[1][0] = 0;
1331	m_depthSaoRate[1][1] = 0;
1332	m_depthSaoRate[1][2] = 0;
1333	m_depthSaoRate[1][3] = 0;
1334	#endif
1335	}
1336	TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset()
1337	{
1338
1339	}
1340	// ====================================================================================================================
1341	// Constants
1342	// ====================================================================================================================
1343
1344
1345	// ====================================================================================================================
1346	// Tables
1347	// ====================================================================================================================
1348
1349	inline Double xRoundIbdi2(Int bitDepth, Double x)
1350	{
1351	return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))) : ((Int)(((Int)(x)-(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))));
1352	}
1353
1354	/** rounding with IBDI
1355	* \param x
1356	*/
1357	inline Double xRoundIbdi(Int bitDepth, Double x)
1358	{
1359	return (bitDepth > 8 ? xRoundIbdi2(bitDepth, (x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ;
1360	}
1361
1362
1363
1364	/** process SAO for one partition
1365	* \param *psQTPart, iPartIdx, dLambda
1366	*/
1367	Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda, Int yCbCr)
1368	{
1369	Int iTypeIdx;
1370	Int iNumTotalType = MAX_NUM_SAO_TYPE;
1371	SAOQTPart* pOnePart = &(psQTPart[iPartIdx]);
1372
1373	Int64 iEstDist;
1374	Int iClassIdx;
1375	Int uiShift = 2 * DISTORTION_PRECISION_ADJUSTMENT((yCbCr == 0 ? g_bitDepthY : g_bitDepthC)-8);
1376	UInt uiDepth = pOnePart->PartLevel;
1377
1378	m_iDistOrg [iPartIdx] = 0;
1379
1380	Double bestRDCostTableBo = MAX_DOUBLE;
1381	Int bestClassTableBo = 0;
1382	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
1383	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
1384
1385	Int addr;
1386	Int allowMergeLeft;
1387	Int allowMergeUp;
1388	Int frameWidthInCU = m_pcPic->getFrameWidthInCU();
1389	SaoLcuParam saoLcuParamRdo;
1390
1391	for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++)
1392	{
1393	if( m_bUseSBACRD )
1394	{
1395	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
1396	m_pcRDGoOnSbacCoder->resetBits();
1397	}
1398	else
1399	{
1400	m_pcEntropyCoder->resetEntropy();
1401	m_pcEntropyCoder->resetBits();
1402	}
1403
1404	iEstDist = 0;
1405
1406	if (iTypeIdx == -1)
1407	{
1408	for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++)
1409	{
1410	for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++)
1411	{
1412	addr = ry * frameWidthInCU + rx;
1413
1414	// get bits for iTypeIdx = -1
1415	allowMergeLeft = 1;
1416	allowMergeUp = 1;
1417	if (rx != 0)
1418	{
1419	// check tile id and slice id
1420	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()))
1421	{
1422	allowMergeLeft = 0;
1423	}
1424	}
1425	if (ry!=0)
1426	{
1427	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()))
1428	{
1429	allowMergeUp = 0;
1430	}
1431	}
1432
1433	// reset
1434	resetSaoUnit(&saoLcuParamRdo);
1435
1436	// set merge flag
1437	saoLcuParamRdo.mergeUpFlag = 1;
1438	saoLcuParamRdo.mergeLeftFlag = 1;
1439
1440	if (ry == pOnePart->StartCUY)
1441	{
1442	saoLcuParamRdo.mergeUpFlag = 0;
1443	}
1444
1445	if (rx == pOnePart->StartCUX)
1446	{
1447	saoLcuParamRdo.mergeLeftFlag = 0;
1448	}
1449
1450	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
1451
1452	}
1453	}
1454	}
1455
1456	if (iTypeIdx>=0)
1457	{
1458	iEstDist = estSaoTypeDist(iPartIdx, iTypeIdx, uiShift, dLambda, currentDistortionTableBo, currentRdCostTableBo);
1459	if( iTypeIdx == SAO_BO )
1460	{
1461	// Estimate Best Position
1462	Double currentRDCost = 0.0;
1463
1464	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
1465	{
1466	currentRDCost = 0.0;
1467	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
1468	{
1469	currentRDCost += currentRdCostTableBo[uj];
1470	}
1471
1472	if( currentRDCost < bestRDCostTableBo)
1473	{
1474	bestRDCostTableBo = currentRDCost;
1475	bestClassTableBo = i;
1476	}
1477	}
1478
1479	// Re code all Offsets
1480	// Code Center
1481	for(iClassIdx = bestClassTableBo; iClassIdx < bestClassTableBo+SAO_BO_LEN; iClassIdx++)
1482	{
1483	iEstDist += currentDistortionTableBo[iClassIdx];
1484	}
1485	}
1486
1487	for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++)
1488	{
1489	for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++)
1490	{
1491	addr = ry * frameWidthInCU + rx;
1492
1493	// get bits for iTypeIdx = -1
1494	allowMergeLeft = 1;
1495	allowMergeUp = 1;
1496	if (rx != 0)
1497	{
1498	// check tile id and slice id
1499	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()))
1500	{
1501	allowMergeLeft = 0;
1502	}
1503	}
1504	if (ry!=0)
1505	{
1506	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()))
1507	{
1508	allowMergeUp = 0;
1509	}
1510	}
1511
1512	// reset
1513	resetSaoUnit(&saoLcuParamRdo);
1514
1515	// set merge flag
1516	saoLcuParamRdo.mergeUpFlag = 1;
1517	saoLcuParamRdo.mergeLeftFlag = 1;
1518
1519	if (ry == pOnePart->StartCUY)
1520	{
1521	saoLcuParamRdo.mergeUpFlag = 0;
1522	}
1523
1524	if (rx == pOnePart->StartCUX)
1525	{
1526	saoLcuParamRdo.mergeLeftFlag = 0;
1527	}
1528
1529	// set type and offsets
1530	saoLcuParamRdo.typeIdx = iTypeIdx;
1531	saoLcuParamRdo.subTypeIdx = (iTypeIdx==SAO_BO)?bestClassTableBo:0;
1532	saoLcuParamRdo.length = m_iNumClass[iTypeIdx];
1533	for (iClassIdx = 0; iClassIdx < saoLcuParamRdo.length; iClassIdx++)
1534	{
1535	saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.subTypeIdx+1];
1536	}
1537
1538	m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp);
1539
1540	}
1541	}
1542
1543	m_iDist[iPartIdx][iTypeIdx] = iEstDist;
1544	m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits();
1545
1546	m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]);
1547
1548	if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx])
1549	{
1550	m_iDistOrg [iPartIdx] = 0;
1551	m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx];
1552	m_iTypePartBest[iPartIdx] = iTypeIdx;
1553	if( m_bUseSBACRD )
1554	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] );
1555	}
1556	}
1557	else
1558	{
1559	if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] )
1560	{
1561	m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ;
1562	m_iTypePartBest[iPartIdx] = -1;
1563	if( m_bUseSBACRD )
1564	{
1565	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] );
1566	}
1567	}
1568	}
1569	}
1570
1571	pOnePart->bProcessed = true;
1572	pOnePart->bSplit = false;
1573	pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx];
1574	pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0);
1575	pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate;
1576	pOnePart->iBestType = m_iTypePartBest[iPartIdx];
1577	if (pOnePart->iBestType != -1)
1578	{
1579	// pOnePart->bEnableFlag = 1;
1580	pOnePart->iLength = m_iNumClass[pOnePart->iBestType];
1581	Int minIndex = 0;
1582	if( pOnePart->iBestType == SAO_BO )
1583	{
1584	pOnePart->subTypeIdx = bestClassTableBo;
1585	minIndex = pOnePart->subTypeIdx;
1586	}
1587	for (Int i=0; i< pOnePart->iLength ; i++)
1588	{
1589	pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][minIndex+i+1];
1590	}
1591
1592	}
1593	else
1594	{
1595	// pOnePart->bEnableFlag = 0;
1596	pOnePart->iLength = 0;
1597	}
1598	}
1599
1600	/** Run partition tree disable
1601	*/
1602	Void TEncSampleAdaptiveOffset::disablePartTree(SAOQTPart *psQTPart, Int iPartIdx)
1603	{
1604	SAOQTPart* pOnePart= &(psQTPart[iPartIdx]);
1605	pOnePart->bSplit = false;
1606	pOnePart->iLength = 0;
1607	pOnePart->iBestType = -1;
1608
1609	if (pOnePart->PartLevel < m_uiMaxSplitLevel)
1610	{
1611	for (Int i=0; i<NUM_DOWN_PART; i++)
1612	{
1613	disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]);
1614	}
1615	}
1616	}
1617
1618	/** Run quadtree decision function
1619	* \param iPartIdx, pcPicOrg, pcPicDec, pcPicRest, &dCostFinal
1620	*/
1621	Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda, Int yCbCr)
1622	{
1623	SAOQTPart* pOnePart = &(psQTPart[iPartIdx]);
1624
1625	UInt uiDepth = pOnePart->PartLevel;
1626	UInt uhNextDepth = uiDepth+1;
1627
1628	if (iPartIdx == 0)
1629	{
1630	dCostFinal = 0;
1631	}
1632
1633	//SAO for this part
1634	if(!pOnePart->bProcessed)
1635	{
1636	rdoSaoOnePart (psQTPart, iPartIdx, dLambda, yCbCr);
1637	}
1638
1639	//SAO for sub 4 parts
1640	if (pOnePart->PartLevel < iMaxLevel)
1641	{
1642	Double dCostNotSplit = dLambda + pOnePart->dMinCost;
1643	Double dCostSplit = dLambda;
1644
1645	for (Int i=0; i< NUM_DOWN_PART ;i++)
1646	{
1647	if( m_bUseSBACRD )
1648	{
1649	if ( 0 == i) //initialize RD with previous depth buffer
1650	{
1651	m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]);
1652	}
1653	else
1654	{
1655	m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]);
1656	}
1657	}
1658	runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda, yCbCr);
1659	dCostSplit += dCostFinal;
1660	if( m_bUseSBACRD )
1661	{
1662	m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_TEMP_BEST]);
1663	}
1664	}
1665
1666	if(dCostSplit < dCostNotSplit)
1667	{
1668	dCostFinal = dCostSplit;
1669	pOnePart->bSplit = true;
1670	pOnePart->iLength = 0;
1671	pOnePart->iBestType = -1;
1672	if( m_bUseSBACRD )
1673	{
1674	m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]);
1675	}
1676	}
1677	else
1678	{
1679	dCostFinal = dCostNotSplit;
1680	pOnePart->bSplit = false;
1681	for (Int i=0; i<NUM_DOWN_PART; i++)
1682	{
1683	disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]);
1684	}
1685	if( m_bUseSBACRD )
1686	{
1687	m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_TEMP_BEST]);
1688	}
1689	}
1690	}
1691	else
1692	{
1693	dCostFinal = pOnePart->dMinCost;
1694	}
1695	}
1696
1697	/** delete allocated memory of TEncSampleAdaptiveOffset class.
1698	*/
1699	Void TEncSampleAdaptiveOffset::destroyEncBuffer()
1700	{
1701	for (Int i=0;i<m_iNumTotalParts;i++)
1702	{
1703	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
1704	{
1705	if (m_iCount [i][j])
1706	{
1707	delete [] m_iCount [i][j];
1708	}
1709	if (m_iOffset[i][j])
1710	{
1711	delete [] m_iOffset[i][j];
1712	}
1713	if (m_iOffsetOrg[i][j])
1714	{
1715	delete [] m_iOffsetOrg[i][j];
1716	}
1717	}
1718	if (m_iRate[i])
1719	{
1720	delete [] m_iRate[i];
1721	}
1722	if (m_iDist[i])
1723	{
1724	delete [] m_iDist[i];
1725	}
1726	if (m_dCost[i])
1727	{
1728	delete [] m_dCost[i];
1729	}
1730	if (m_iCount [i])
1731	{
1732	delete [] m_iCount [i];
1733	}
1734	if (m_iOffset[i])
1735	{
1736	delete [] m_iOffset[i];
1737	}
1738	if (m_iOffsetOrg[i])
1739	{
1740	delete [] m_iOffsetOrg[i];
1741	}
1742
1743	}
1744	if (m_iDistOrg)
1745	{
1746	delete [] m_iDistOrg ; m_iDistOrg = NULL;
1747	}
1748	if (m_dCostPartBest)
1749	{
1750	delete [] m_dCostPartBest ; m_dCostPartBest = NULL;
1751	}
1752	if (m_iTypePartBest)
1753	{
1754	delete [] m_iTypePartBest ; m_iTypePartBest = NULL;
1755	}
1756	if (m_iRate)
1757	{
1758	delete [] m_iRate ; m_iRate = NULL;
1759	}
1760	if (m_iDist)
1761	{
1762	delete [] m_iDist ; m_iDist = NULL;
1763	}
1764	if (m_dCost)
1765	{
1766	delete [] m_dCost ; m_dCost = NULL;
1767	}
1768	if (m_iCount)
1769	{
1770	delete [] m_iCount ; m_iCount = NULL;
1771	}
1772	if (m_iOffset)
1773	{
1774	delete [] m_iOffset ; m_iOffset = NULL;
1775	}
1776	if (m_iOffsetOrg)
1777	{
1778	delete [] m_iOffsetOrg ; m_iOffsetOrg = NULL;
1779	}
1780	Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight;
1781
1782	for (Int i=0;i<numLcu;i++)
1783	{
1784	for (Int j=0;j<3;j++)
1785	{
1786	for (Int k=0;k<MAX_NUM_SAO_TYPE;k++)
1787	{
1788	if (m_count_PreDblk [i][j][k])
1789	{
1790	delete [] m_count_PreDblk [i][j][k];
1791	}
1792	if (m_offsetOrg_PreDblk[i][j][k])
1793	{
1794	delete [] m_offsetOrg_PreDblk[i][j][k];
1795	}
1796	}
1797	if (m_count_PreDblk [i][j])
1798	{
1799	delete [] m_count_PreDblk [i][j];
1800	}
1801	if (m_offsetOrg_PreDblk[i][j])
1802	{
1803	delete [] m_offsetOrg_PreDblk[i][j];
1804	}
1805	}
1806	if (m_count_PreDblk [i])
1807	{
1808	delete [] m_count_PreDblk [i];
1809	}
1810	if (m_offsetOrg_PreDblk[i])
1811	{
1812	delete [] m_offsetOrg_PreDblk[i];
1813	}
1814	}
1815	if (m_count_PreDblk)
1816	{
1817	delete [] m_count_PreDblk ; m_count_PreDblk = NULL;
1818	}
1819	if (m_offsetOrg_PreDblk)
1820	{
1821	delete [] m_offsetOrg_PreDblk ; m_offsetOrg_PreDblk = NULL;
1822	}
1823
1824	Int iMaxDepth = 4;
1825	Int iDepth;
1826	for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
1827	{
1828	for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
1829	{
1830	delete m_pppcRDSbacCoder[iDepth][iCIIdx];
1831	delete m_pppcBinCoderCABAC[iDepth][iCIIdx];
1832	}
1833	}
1834
1835	for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
1836	{
1837	delete [] m_pppcRDSbacCoder[iDepth];
1838	delete [] m_pppcBinCoderCABAC[iDepth];
1839	}
1840
1841	delete [] m_pppcRDSbacCoder;
1842	delete [] m_pppcBinCoderCABAC;
1843	}
1844
1845	/** create Encoder Buffer for SAO
1846	* \param
1847	*/
1848	Void TEncSampleAdaptiveOffset::createEncBuffer()
1849	{
1850	m_iDistOrg = new Int64 [m_iNumTotalParts];
1851	m_dCostPartBest = new Double [m_iNumTotalParts];
1852	m_iTypePartBest = new Int [m_iNumTotalParts];
1853
1854	m_iRate = new Int64* [m_iNumTotalParts];
1855	m_iDist = new Int64* [m_iNumTotalParts];
1856	m_dCost = new Double*[m_iNumTotalParts];
1857
1858	m_iCount = new Int64 **[m_iNumTotalParts];
1859	m_iOffset = new Int64 **[m_iNumTotalParts];
1860	m_iOffsetOrg = new Int64 **[m_iNumTotalParts];
1861
1862	for (Int i=0;i<m_iNumTotalParts;i++)
1863	{
1864	m_iRate[i] = new Int64 [MAX_NUM_SAO_TYPE];
1865	m_iDist[i] = new Int64 [MAX_NUM_SAO_TYPE];
1866	m_dCost[i] = new Double [MAX_NUM_SAO_TYPE];
1867
1868	m_iCount [i] = new Int64 *[MAX_NUM_SAO_TYPE];
1869	m_iOffset[i] = new Int64 *[MAX_NUM_SAO_TYPE];
1870	m_iOffsetOrg[i] = new Int64 *[MAX_NUM_SAO_TYPE];
1871
1872	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
1873	{
1874	m_iCount [i][j] = new Int64 [MAX_NUM_SAO_CLASS];
1875	m_iOffset[i][j] = new Int64 [MAX_NUM_SAO_CLASS];
1876	m_iOffsetOrg[i][j]= new Int64 [MAX_NUM_SAO_CLASS];
1877	}
1878	}
1879	Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight;
1880	m_count_PreDblk = new Int64 ***[numLcu];
1881	m_offsetOrg_PreDblk = new Int64 ***[numLcu];
1882	for (Int i=0; i<numLcu; i++)
1883	{
1884	m_count_PreDblk[i] = new Int64 **[3];
1885	m_offsetOrg_PreDblk[i] = new Int64 **[3];
1886
1887	for (Int j=0;j<3;j++)
1888	{
1889	m_count_PreDblk [i][j] = new Int64 *[MAX_NUM_SAO_TYPE];
1890	m_offsetOrg_PreDblk[i][j] = new Int64 *[MAX_NUM_SAO_TYPE];
1891
1892	for (Int k=0;k<MAX_NUM_SAO_TYPE;k++)
1893	{
1894	m_count_PreDblk [i][j][k] = new Int64 [MAX_NUM_SAO_CLASS];
1895	m_offsetOrg_PreDblk[i][j][k]= new Int64 [MAX_NUM_SAO_CLASS];
1896	}
1897	}
1898	}
1899
1900	Int iMaxDepth = 4;
1901	m_pppcRDSbacCoder = new TEncSbac** [iMaxDepth+1];
1902	#if FAST_BIT_EST
1903	m_pppcBinCoderCABAC = new TEncBinCABACCounter** [iMaxDepth+1];
1904	#else
1905	m_pppcBinCoderCABAC = new TEncBinCABAC** [iMaxDepth+1];
1906	#endif
1907
1908	for ( Int iDepth = 0; iDepth < iMaxDepth+1; iDepth++ )
1909	{
1910	m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM];
1911	#if FAST_BIT_EST
1912	m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM];
1913	#else
1914	m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM];
1915	#endif
1916	for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
1917	{
1918	m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac;
1919	#if FAST_BIT_EST
1920	m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter;
1921	#else
1922	m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC;
1923	#endif
1924	m_pppcRDSbacCoder [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] );
1925	}
1926	}
1927	}
1928
1929	/** Start SAO encoder
1930	* \param pcPic, pcEntropyCoder, pppcRDSbacCoder, pcRDGoOnSbacCoder
1931	*/
1932	Void TEncSampleAdaptiveOffset::startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder)
1933	{
1934	m_bUseSBACRD = true;
1935	m_pcPic = pcPic;
1936	m_pcEntropyCoder = pcEntropyCoder;
1937
1938	m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder;
1939	m_pcEntropyCoder->setEntropyCoder(m_pcRDGoOnSbacCoder, pcPic->getSlice(0));
1940	m_pcEntropyCoder->resetEntropy();
1941	m_pcEntropyCoder->resetBits();
1942
1943	if( m_bUseSBACRD )
1944	{
1945	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_NEXT_BEST]);
1946	m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_NEXT_BEST]);
1947	}
1948	}
1949
1950	/** End SAO encoder
1951	*/
1952	Void TEncSampleAdaptiveOffset::endSaoEnc()
1953	{
1954	m_pcPic = NULL;
1955	m_pcEntropyCoder = NULL;
1956	}
1957
1958	inline Int xSign(Int x)
1959	{
1960	return ((x >> 31) \| ((Int)( (((UInt) -x)) >> 31)));
1961	}
1962
1963	/** Calculate SAO statistics for non-cross-slice or non-cross-tile processing
1964	* \param pRecStart to-be-filtered block buffer pointer
1965	* \param pOrgStart original block buffer pointer
1966	* \param stride picture buffer stride
1967	* \param ppStat statistics buffer
1968	* \param ppCount counter buffer
1969	* \param width block width
1970	* \param height block height
1971	* \param pbBorderAvail availabilities of block border pixels
1972	*/
1973	Void TEncSampleAdaptiveOffset::calcSaoStatsBlock( Pel* pRecStart, Pel* pOrgStart, Int stride, Int64 ppStats, Int64 ppCount, UInt width, UInt height, Bool* pbBorderAvail, Int iYCbCr)
1974	{
1975	Int64 stats, count;
1976	Int classIdx, posShift, startX, endX, startY, endY, signLeft,signRight,signDown,signDown1;
1977	Pel pOrg, pRec;
1978	UInt edgeType;
1979	Int x, y;
1980	Pel *pTableBo = (iYCbCr==0)?m_lumaTableBo:m_chromaTableBo;
1981
1982	//--------- Band offset-----------//
1983	stats = ppStats[SAO_BO];
1984	count = ppCount[SAO_BO];
1985	pOrg = pOrgStart;
1986	pRec = pRecStart;
1987	for (y=0; y< height; y++)
1988	{
1989	for (x=0; x< width; x++)
1990	{
1991	classIdx = pTableBo[pRec[x]];
1992	if (classIdx)
1993	{
1994	stats[classIdx] += (pOrg[x] - pRec[x]);
1995	count[classIdx] ++;
1996	}
1997	}
1998	pOrg += stride;
1999	pRec += stride;
2000	}
2001	//---------- Edge offset 0--------------//
2002	stats = ppStats[SAO_EO_0];
2003	count = ppCount[SAO_EO_0];
2004	pOrg = pOrgStart;
2005	pRec = pRecStart;
2006
2007
2008	startX = (pbBorderAvail[SGU_L]) ? 0 : 1;
2009	endX = (pbBorderAvail[SGU_R]) ? width : (width -1);
2010	for (y=0; y< height; y++)
2011	{
2012	signLeft = xSign(pRec[startX] - pRec[startX-1]);
2013	for (x=startX; x< endX; x++)
2014	{
2015	signRight = xSign(pRec[x] - pRec[x+1]);
2016	edgeType = signRight + signLeft + 2;
2017	signLeft = -signRight;
2018
2019	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2020	count[m_auiEoTable[edgeType]] ++;
2021	}
2022	pRec += stride;
2023	pOrg += stride;
2024	}
2025
2026	//---------- Edge offset 1--------------//
2027	stats = ppStats[SAO_EO_1];
2028	count = ppCount[SAO_EO_1];
2029	pOrg = pOrgStart;
2030	pRec = pRecStart;
2031
2032	startY = (pbBorderAvail[SGU_T]) ? 0 : 1;
2033	endY = (pbBorderAvail[SGU_B]) ? height : height-1;
2034	if (!pbBorderAvail[SGU_T])
2035	{
2036	pRec += stride;
2037	pOrg += stride;
2038	}
2039
2040	for (x=0; x< width; x++)
2041	{
2042	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]);
2043	}
2044	for (y=startY; y<endY; y++)
2045	{
2046	for (x=0; x< width; x++)
2047	{
2048	signDown = xSign(pRec[x] - pRec[x+stride]);
2049	edgeType = signDown + m_iUpBuff1[x] + 2;
2050	m_iUpBuff1[x] = -signDown;
2051
2052	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2053	count[m_auiEoTable[edgeType]] ++;
2054	}
2055	pOrg += stride;
2056	pRec += stride;
2057	}
2058	//---------- Edge offset 2--------------//
2059	stats = ppStats[SAO_EO_2];
2060	count = ppCount[SAO_EO_2];
2061	pOrg = pOrgStart;
2062	pRec = pRecStart;
2063
2064	posShift= stride + 1;
2065
2066	startX = (pbBorderAvail[SGU_L]) ? 0 : 1 ;
2067	endX = (pbBorderAvail[SGU_R]) ? width : (width-1);
2068
2069	//prepare 2nd line upper sign
2070	pRec += stride;
2071	for (x=startX; x< endX+1; x++)
2072	{
2073	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]);
2074	}
2075
2076	//1st line
2077	pRec -= stride;
2078	if(pbBorderAvail[SGU_TL])
2079	{
2080	x= 0;
2081	edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2;
2082	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2083	count[m_auiEoTable[edgeType]] ++;
2084	}
2085	if(pbBorderAvail[SGU_T])
2086	{
2087	for(x= 1; x< endX; x++)
2088	{
2089	edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2;
2090	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2091	count[m_auiEoTable[edgeType]] ++;
2092	}
2093	}
2094	pRec += stride;
2095	pOrg += stride;
2096
2097	//middle lines
2098	for (y= 1; y< height-1; y++)
2099	{
2100	for (x=startX; x<endX; x++)
2101	{
2102	signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ;
2103	edgeType = signDown1 + m_iUpBuff1[x] + 2;
2104	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2105	count[m_auiEoTable[edgeType]] ++;
2106
2107	m_iUpBufft[x+1] = -signDown1;
2108	}
2109	m_iUpBufft[startX] = xSign(pRec[stride+startX] - pRec[startX-1]);
2110
2111	ipSwap = m_iUpBuff1;
2112	m_iUpBuff1 = m_iUpBufft;
2113	m_iUpBufft = ipSwap;
2114
2115	pRec += stride;
2116	pOrg += stride;
2117	}
2118
2119	//last line
2120	if(pbBorderAvail[SGU_B])
2121	{
2122	for(x= startX; x< width-1; x++)
2123	{
2124	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
2125	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2126	count[m_auiEoTable[edgeType]] ++;
2127	}
2128	}
2129	if(pbBorderAvail[SGU_BR])
2130	{
2131	x= width -1;
2132	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
2133	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2134	count[m_auiEoTable[edgeType]] ++;
2135	}
2136
2137	//---------- Edge offset 3--------------//
2138
2139	stats = ppStats[SAO_EO_3];
2140	count = ppCount[SAO_EO_3];
2141	pOrg = pOrgStart;
2142	pRec = pRecStart;
2143
2144	posShift = stride - 1;
2145	startX = (pbBorderAvail[SGU_L]) ? 0 : 1;
2146	endX = (pbBorderAvail[SGU_R]) ? width : (width -1);
2147
2148	//prepare 2nd line upper sign
2149	pRec += stride;
2150	for (x=startX-1; x< endX; x++)
2151	{
2152	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]);
2153	}
2154
2155
2156	//first line
2157	pRec -= stride;
2158	if(pbBorderAvail[SGU_T])
2159	{
2160	for(x= startX; x< width -1; x++)
2161	{
2162	edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2;
2163	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2164	count[m_auiEoTable[edgeType]] ++;
2165	}
2166	}
2167	if(pbBorderAvail[SGU_TR])
2168	{
2169	x= width-1;
2170	edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2;
2171	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2172	count[m_auiEoTable[edgeType]] ++;
2173	}
2174	pRec += stride;
2175	pOrg += stride;
2176
2177	//middle lines
2178	for (y= 1; y< height-1; y++)
2179	{
2180	for(x= startX; x< endX; x++)
2181	{
2182	signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ;
2183	edgeType = signDown1 + m_iUpBuff1[x] + 2;
2184
2185	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2186	count[m_auiEoTable[edgeType]] ++;
2187	m_iUpBuff1[x-1] = -signDown1;
2188
2189	}
2190	m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]);
2191
2192	pRec += stride;
2193	pOrg += stride;
2194	}
2195
2196	//last line
2197	if(pbBorderAvail[SGU_BL])
2198	{
2199	x= 0;
2200	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
2201	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2202	count[m_auiEoTable[edgeType]] ++;
2203
2204	}
2205	if(pbBorderAvail[SGU_B])
2206	{
2207	for(x= 1; x< endX; x++)
2208	{
2209	edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2;
2210	stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]);
2211	count[m_auiEoTable[edgeType]] ++;
2212	}
2213	}
2214	}
2215
2216	/** Calculate SAO statistics for current LCU
2217	* \param iAddr, iPartIdx, iYCbCr
2218	*/
2219	Void TEncSampleAdaptiveOffset::calcSaoStatsCu(Int iAddr, Int iPartIdx, Int iYCbCr)
2220	{
2221	if(!m_bUseNIF)
2222	{
2223	calcSaoStatsCuOrg( iAddr, iPartIdx, iYCbCr);
2224	}
2225	else
2226	{
2227	Int64** ppStats = m_iOffsetOrg[iPartIdx];
2228	Int64** ppCount = m_iCount [iPartIdx];
2229
2230	//parameters
2231	Int isChroma = (iYCbCr != 0)? 1:0;
2232	Int stride = (iYCbCr != 0)?(m_pcPic->getCStride()):(m_pcPic->getStride());
2233	Pel* pPicOrg = getPicYuvAddr (m_pcPic->getPicYuvOrg(), iYCbCr);
2234	Pel* pPicRec = getPicYuvAddr(m_pcYuvTmp, iYCbCr);
2235
2236	std::vector<NDBFBlockInfo>& vFilterBlocks = *(m_pcPic->getCU(iAddr)->getNDBFilterBlocks());
2237
2238	//variables
2239	UInt xPos, yPos, width, height;
2240	Bool* pbBorderAvail;
2241	UInt posOffset;
2242
2243	for(Int i=0; i< vFilterBlocks.size(); i++)
2244	{
2245	xPos = vFilterBlocks[i].posX >> isChroma;
2246	yPos = vFilterBlocks[i].posY >> isChroma;
2247	width = vFilterBlocks[i].width >> isChroma;
2248	height = vFilterBlocks[i].height >> isChroma;
2249	pbBorderAvail = vFilterBlocks[i].isBorderAvailable;
2250
2251	posOffset = (yPos* stride) + xPos;
2252
2253	calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail, iYCbCr);
2254	}
2255	}
2256
2257	}
2258
2259	/** Calculate SAO statistics for current LCU without non-crossing slice
2260	* \param iAddr, iPartIdx, iYCbCr
2261	*/
2262	Void TEncSampleAdaptiveOffset::calcSaoStatsCuOrg(Int iAddr, Int iPartIdx, Int iYCbCr)
2263	{
2264	Int x,y;
2265	TComDataCU *pTmpCu = m_pcPic->getCU(iAddr);
2266	TComSPS *pTmpSPS = m_pcPic->getSlice(0)->getSPS();
2267
2268	Pel* pOrg;
2269	Pel* pRec;
2270	Int iStride;
2271	Int iLcuHeight = pTmpSPS->getMaxCUHeight();
2272	Int iLcuWidth = pTmpSPS->getMaxCUWidth();
2273	UInt uiLPelX = pTmpCu->getCUPelX();
2274	UInt uiTPelY = pTmpCu->getCUPelY();
2275	UInt uiRPelX;
2276	UInt uiBPelY;
2277	Int64* iStats;
2278	Int64* iCount;
2279	Int iClassIdx;
2280	Int iPicWidthTmp;
2281	Int iPicHeightTmp;
2282	Int iStartX;
2283	Int iStartY;
2284	Int iEndX;
2285	Int iEndY;
2286	Pel* pTableBo = (iYCbCr==0)?m_lumaTableBo:m_chromaTableBo;
2287
2288	Int iIsChroma = (iYCbCr!=0)? 1:0;
2289	Int numSkipLine = iIsChroma? 2:4;
2290	if (m_saoLcuBasedOptimization == 0)
2291	{
2292	numSkipLine = 0;
2293	}
2294
2295	Int numSkipLineRight = iIsChroma? 3:5;
2296	if (m_saoLcuBasedOptimization == 0)
2297	{
2298	numSkipLineRight = 0;
2299	}
2300
2301	iPicWidthTmp = m_iPicWidth >> iIsChroma;
2302	iPicHeightTmp = m_iPicHeight >> iIsChroma;
2303	iLcuWidth = iLcuWidth >> iIsChroma;
2304	iLcuHeight = iLcuHeight >> iIsChroma;
2305	uiLPelX = uiLPelX >> iIsChroma;
2306	uiTPelY = uiTPelY >> iIsChroma;
2307	uiRPelX = uiLPelX + iLcuWidth ;
2308	uiBPelY = uiTPelY + iLcuHeight ;
2309	uiRPelX = uiRPelX > iPicWidthTmp ? iPicWidthTmp : uiRPelX;
2310	uiBPelY = uiBPelY > iPicHeightTmp ? iPicHeightTmp : uiBPelY;
2311	iLcuWidth = uiRPelX - uiLPelX;
2312	iLcuHeight = uiBPelY - uiTPelY;
2313
2314	iStride = (iYCbCr == 0)? m_pcPic->getStride(): m_pcPic->getCStride();
2315
2316	//if(iSaoType == BO_0 \|\| iSaoType == BO_1)
2317	{
2318	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
2319	{
2320	numSkipLine = iIsChroma? 1:3;
2321	numSkipLineRight = iIsChroma? 2:4;
2322	}
2323	iStats = m_iOffsetOrg[iPartIdx][SAO_BO];
2324	iCount = m_iCount [iPartIdx][SAO_BO];
2325
2326	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
2327	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
2328
2329	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight;
2330	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight : iLcuHeight-numSkipLine;
2331	for (y=0; y<iEndY; y++)
2332	{
2333	for (x=0; x<iEndX; x++)
2334	{
2335	iClassIdx = pTableBo[pRec[x]];
2336	if (iClassIdx)
2337	{
2338	iStats[iClassIdx] += (pOrg[x] - pRec[x]);
2339	iCount[iClassIdx] ++;
2340	}
2341	}
2342	pOrg += iStride;
2343	pRec += iStride;
2344	}
2345
2346	}
2347	Int iSignLeft;
2348	Int iSignRight;
2349	Int iSignDown;
2350	Int iSignDown1;
2351	Int iSignDown2;
2352
2353	UInt uiEdgeType;
2354
2355	//if (iSaoType == EO_0 \|\| iSaoType == EO_1 \|\| iSaoType == EO_2 \|\| iSaoType == EO_3)
2356	{
2357	//if (iSaoType == EO_0)
2358	{
2359	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
2360	{
2361	numSkipLine = iIsChroma? 1:3;
2362	numSkipLineRight = iIsChroma? 3:5;
2363	}
2364	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_0];
2365	iCount = m_iCount [iPartIdx][SAO_EO_0];
2366
2367	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
2368	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
2369
2370	iStartX = (uiLPelX == 0) ? 1 : 0;
2371	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
2372	for (y=0; y<iLcuHeight-numSkipLine; y++)
2373	{
2374	iSignLeft = xSign(pRec[iStartX] - pRec[iStartX-1]);
2375	for (x=iStartX; x< iEndX; x++)
2376	{
2377	iSignRight = xSign(pRec[x] - pRec[x+1]);
2378	uiEdgeType = iSignRight + iSignLeft + 2;
2379	iSignLeft = -iSignRight;
2380
2381	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2382	iCount[m_auiEoTable[uiEdgeType]] ++;
2383	}
2384	pOrg += iStride;
2385	pRec += iStride;
2386	}
2387	}
2388
2389	//if (iSaoType == EO_1)
2390	{
2391	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
2392	{
2393	numSkipLine = iIsChroma? 2:4;
2394	numSkipLineRight = iIsChroma? 2:4;
2395	}
2396	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_1];
2397	iCount = m_iCount [iPartIdx][SAO_EO_1];
2398
2399	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
2400	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
2401
2402	iStartY = (uiTPelY == 0) ? 1 : 0;
2403	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight;
2404	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
2405	if (uiTPelY == 0)
2406	{
2407	pOrg += iStride;
2408	pRec += iStride;
2409	}
2410
2411	for (x=0; x< iLcuWidth; x++)
2412	{
2413	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride]);
2414	}
2415	for (y=iStartY; y<iEndY; y++)
2416	{
2417	for (x=0; x<iEndX; x++)
2418	{
2419	iSignDown = xSign(pRec[x] - pRec[x+iStride]);
2420	uiEdgeType = iSignDown + m_iUpBuff1[x] + 2;
2421	m_iUpBuff1[x] = -iSignDown;
2422
2423	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2424	iCount[m_auiEoTable[uiEdgeType]] ++;
2425	}
2426	pOrg += iStride;
2427	pRec += iStride;
2428	}
2429	}
2430	//if (iSaoType == EO_2)
2431	{
2432	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
2433	{
2434	numSkipLine = iIsChroma? 2:4;
2435	numSkipLineRight = iIsChroma? 3:5;
2436	}
2437	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_2];
2438	iCount = m_iCount [iPartIdx][SAO_EO_2];
2439
2440	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
2441	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
2442
2443	iStartX = (uiLPelX == 0) ? 1 : 0;
2444	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
2445
2446	iStartY = (uiTPelY == 0) ? 1 : 0;
2447	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
2448	if (uiTPelY == 0)
2449	{
2450	pOrg += iStride;
2451	pRec += iStride;
2452	}
2453
2454	for (x=iStartX; x<iEndX; x++)
2455	{
2456	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride-1]);
2457	}
2458	for (y=iStartY; y<iEndY; y++)
2459	{
2460	iSignDown2 = xSign(pRec[iStride+iStartX] - pRec[iStartX-1]);
2461	for (x=iStartX; x<iEndX; x++)
2462	{
2463	iSignDown1 = xSign(pRec[x] - pRec[x+iStride+1]) ;
2464	uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2;
2465	m_iUpBufft[x+1] = -iSignDown1;
2466	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2467	iCount[m_auiEoTable[uiEdgeType]] ++;
2468	}
2469	m_iUpBufft[iStartX] = iSignDown2;
2470	ipSwap = m_iUpBuff1;
2471	m_iUpBuff1 = m_iUpBufft;
2472	m_iUpBufft = ipSwap;
2473
2474	pRec += iStride;
2475	pOrg += iStride;
2476	}
2477	}
2478	//if (iSaoType == EO_3 )
2479	{
2480	if( m_saoLcuBasedOptimization && m_saoLcuBoundary )
2481	{
2482	numSkipLine = iIsChroma? 2:4;
2483	numSkipLineRight = iIsChroma? 3:5;
2484	}
2485	iStats = m_iOffsetOrg[iPartIdx][SAO_EO_3];
2486	iCount = m_iCount [iPartIdx][SAO_EO_3];
2487
2488	pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr);
2489	pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr);
2490
2491	iStartX = (uiLPelX == 0) ? 1 : 0;
2492	iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight;
2493
2494	iStartY = (uiTPelY == 0) ? 1 : 0;
2495	iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine;
2496	if (iStartY == 1)
2497	{
2498	pOrg += iStride;
2499	pRec += iStride;
2500	}
2501
2502	for (x=iStartX-1; x<iEndX; x++)
2503	{
2504	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride+1]);
2505	}
2506
2507	for (y=iStartY; y<iEndY; y++)
2508	{
2509	for (x=iStartX; x<iEndX; x++)
2510	{
2511	iSignDown1 = xSign(pRec[x] - pRec[x+iStride-1]) ;
2512	uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2;
2513	m_iUpBuff1[x-1] = -iSignDown1;
2514	iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2515	iCount[m_auiEoTable[uiEdgeType]] ++;
2516	}
2517	m_iUpBuff1[iEndX-1] = xSign(pRec[iEndX-1 + iStride] - pRec[iEndX]);
2518
2519	pRec += iStride;
2520	pOrg += iStride;
2521	}
2522	}
2523	}
2524	}
2525
2526
2527	Void TEncSampleAdaptiveOffset::calcSaoStatsCu_BeforeDblk( TComPic* pcPic )
2528	{
2529	Int addr, yCbCr;
2530	Int x,y;
2531	TComSPS *pTmpSPS = pcPic->getSlice(0)->getSPS();
2532
2533	Pel* pOrg;
2534	Pel* pRec;
2535	Int stride;
2536	Int lcuHeight = pTmpSPS->getMaxCUHeight();
2537	Int lcuWidth = pTmpSPS->getMaxCUWidth();
2538	UInt rPelX;
2539	UInt bPelY;
2540	Int64* stats;
2541	Int64* count;
2542	Int classIdx;
2543	Int picWidthTmp = 0;
2544	Int picHeightTmp = 0;
2545	Int startX;
2546	Int startY;
2547	Int endX;
2548	Int endY;
2549	Int firstX, firstY;
2550
2551	Int idxY;
2552	Int idxX;
2553	Int frameHeightInCU = m_iNumCuInHeight;
2554	Int frameWidthInCU = m_iNumCuInWidth;
2555	Int j, k;
2556
2557	Int isChroma;
2558	Int numSkipLine, numSkipLineRight;
2559
2560	UInt lPelX, tPelY;
2561	TComDataCU *pTmpCu;
2562	Pel* pTableBo;
2563
2564	for (idxY = 0; idxY< frameHeightInCU; idxY++)
2565	{
2566	for (idxX = 0; idxX< frameWidthInCU; idxX++)
2567	{
2568	lcuHeight = pTmpSPS->getMaxCUHeight();
2569	lcuWidth = pTmpSPS->getMaxCUWidth();
2570	addr = idxX + frameWidthInCU*idxY;
2571	pTmpCu = pcPic->getCU(addr);
2572	lPelX = pTmpCu->getCUPelX();
2573	tPelY = pTmpCu->getCUPelY();
2574	for( yCbCr = 0; yCbCr < 3; yCbCr++ )
2575	{
2576	isChroma = (yCbCr!=0)? 1:0;
2577
2578	for ( j=0;j<MAX_NUM_SAO_TYPE;j++)
2579	{
2580	for ( k=0;k< MAX_NUM_SAO_CLASS;k++)
2581	{
2582	m_count_PreDblk [addr][yCbCr][j][k] = 0;
2583	m_offsetOrg_PreDblk[addr][yCbCr][j][k] = 0;
2584	}
2585	}
2586	if( yCbCr == 0 )
2587	{
2588	picWidthTmp = m_iPicWidth;
2589	picHeightTmp = m_iPicHeight;
2590	}
2591	else if( yCbCr == 1 )
2592	{
2593	picWidthTmp = m_iPicWidth >> isChroma;
2594	picHeightTmp = m_iPicHeight >> isChroma;
2595	lcuWidth = lcuWidth >> isChroma;
2596	lcuHeight = lcuHeight >> isChroma;
2597	lPelX = lPelX >> isChroma;
2598	tPelY = tPelY >> isChroma;
2599	}
2600	rPelX = lPelX + lcuWidth ;
2601	bPelY = tPelY + lcuHeight ;
2602	rPelX = rPelX > picWidthTmp ? picWidthTmp : rPelX;
2603	bPelY = bPelY > picHeightTmp ? picHeightTmp : bPelY;
2604	lcuWidth = rPelX - lPelX;
2605	lcuHeight = bPelY - tPelY;
2606
2607	stride = (yCbCr == 0)? pcPic->getStride(): pcPic->getCStride();
2608	pTableBo = (yCbCr==0)?m_lumaTableBo:m_chromaTableBo;
2609
2610	//if(iSaoType == BO)
2611
2612	numSkipLine = isChroma? 1:3;
2613	numSkipLineRight = isChroma? 2:4;
2614
2615	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_BO];
2616	count = m_count_PreDblk[addr][yCbCr][SAO_BO];
2617
2618	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
2619	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
2620
2621	startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight;
2622	startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine;
2623
2624	for (y=0; y<lcuHeight; y++)
2625	{
2626	for (x=0; x<lcuWidth; x++)
2627	{
2628	if( x < startX && y < startY )
2629	continue;
2630
2631	classIdx = pTableBo[pRec[x]];
2632	if (classIdx)
2633	{
2634	stats[classIdx] += (pOrg[x] - pRec[x]);
2635	count[classIdx] ++;
2636	}
2637	}
2638	pOrg += stride;
2639	pRec += stride;
2640	}
2641
2642	Int signLeft;
2643	Int signRight;
2644	Int signDown;
2645	Int signDown1;
2646	Int signDown2;
2647
2648	UInt uiEdgeType;
2649
2650	//if (iSaoType == EO_0)
2651
2652	numSkipLine = isChroma? 1:3;
2653	numSkipLineRight = isChroma? 3:5;
2654
2655	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_0];
2656	count = m_count_PreDblk[addr][yCbCr][SAO_EO_0];
2657
2658	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
2659	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
2660
2661	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
2662	startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine;
2663	firstX = (lPelX == 0) ? 1 : 0;
2664	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
2665
2666	for (y=0; y<lcuHeight; y++)
2667	{
2668	signLeft = xSign(pRec[firstX] - pRec[firstX-1]);
2669	for (x=firstX; x< endX; x++)
2670	{
2671	signRight = xSign(pRec[x] - pRec[x+1]);
2672	uiEdgeType = signRight + signLeft + 2;
2673	signLeft = -signRight;
2674
2675	if( x < startX && y < startY )
2676	continue;
2677
2678	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2679	count[m_auiEoTable[uiEdgeType]] ++;
2680	}
2681	pOrg += stride;
2682	pRec += stride;
2683	}
2684
2685	//if (iSaoType == EO_1)
2686
2687	numSkipLine = isChroma? 2:4;
2688	numSkipLineRight = isChroma? 2:4;
2689
2690	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_1];
2691	count = m_count_PreDblk[addr][yCbCr][SAO_EO_1];
2692
2693	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
2694	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
2695
2696	startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight;
2697	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
2698	firstY = (tPelY == 0) ? 1 : 0;
2699	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
2700	if (firstY == 1)
2701	{
2702	pOrg += stride;
2703	pRec += stride;
2704	}
2705
2706	for (x=0; x< lcuWidth; x++)
2707	{
2708	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]);
2709	}
2710	for (y=firstY; y<endY; y++)
2711	{
2712	for (x=0; x<lcuWidth; x++)
2713	{
2714	signDown = xSign(pRec[x] - pRec[x+stride]);
2715	uiEdgeType = signDown + m_iUpBuff1[x] + 2;
2716	m_iUpBuff1[x] = -signDown;
2717
2718	if( x < startX && y < startY )
2719	continue;
2720
2721	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2722	count[m_auiEoTable[uiEdgeType]] ++;
2723	}
2724	pOrg += stride;
2725	pRec += stride;
2726	}
2727
2728	//if (iSaoType == EO_2)
2729
2730	numSkipLine = isChroma? 2:4;
2731	numSkipLineRight = isChroma? 3:5;
2732
2733	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_2];
2734	count = m_count_PreDblk[addr][yCbCr][SAO_EO_2];
2735
2736	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
2737	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
2738
2739	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
2740	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
2741	firstX = (lPelX == 0) ? 1 : 0;
2742	firstY = (tPelY == 0) ? 1 : 0;
2743	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
2744	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
2745	if (firstY == 1)
2746	{
2747	pOrg += stride;
2748	pRec += stride;
2749	}
2750
2751	for (x=firstX; x<endX; x++)
2752	{
2753	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride-1]);
2754	}
2755	for (y=firstY; y<endY; y++)
2756	{
2757	signDown2 = xSign(pRec[stride+startX] - pRec[startX-1]);
2758	for (x=firstX; x<endX; x++)
2759	{
2760	signDown1 = xSign(pRec[x] - pRec[x+stride+1]) ;
2761	uiEdgeType = signDown1 + m_iUpBuff1[x] + 2;
2762	m_iUpBufft[x+1] = -signDown1;
2763
2764	if( x < startX && y < startY )
2765	continue;
2766
2767	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2768	count[m_auiEoTable[uiEdgeType]] ++;
2769	}
2770	m_iUpBufft[firstX] = signDown2;
2771	ipSwap = m_iUpBuff1;
2772	m_iUpBuff1 = m_iUpBufft;
2773	m_iUpBufft = ipSwap;
2774
2775	pRec += stride;
2776	pOrg += stride;
2777	}
2778
2779	//if (iSaoType == EO_3)
2780
2781	numSkipLine = isChroma? 2:4;
2782	numSkipLineRight = isChroma? 3:5;
2783
2784	stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_3];
2785	count = m_count_PreDblk[addr][yCbCr][SAO_EO_3];
2786
2787	pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr);
2788	pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr);
2789
2790	startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight;
2791	startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine;
2792	firstX = (lPelX == 0) ? 1 : 0;
2793	firstY = (tPelY == 0) ? 1 : 0;
2794	endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth;
2795	endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight;
2796	if (firstY == 1)
2797	{
2798	pOrg += stride;
2799	pRec += stride;
2800	}
2801
2802	for (x=firstX-1; x<endX; x++)
2803	{
2804	m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride+1]);
2805	}
2806
2807	for (y=firstY; y<endY; y++)
2808	{
2809	for (x=firstX; x<endX; x++)
2810	{
2811	signDown1 = xSign(pRec[x] - pRec[x+stride-1]) ;
2812	uiEdgeType = signDown1 + m_iUpBuff1[x] + 2;
2813	m_iUpBuff1[x-1] = -signDown1;
2814
2815	if( x < startX && y < startY )
2816	continue;
2817
2818	stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]);
2819	count[m_auiEoTable[uiEdgeType]] ++;
2820	}
2821	m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]);
2822
2823	pRec += stride;
2824	pOrg += stride;
2825	}
2826	}
2827	}
2828	}
2829	}
2830
2831
2832	/** get SAO statistics
2833	* \param *psQTPart, iYCbCr
2834	*/
2835	Void TEncSampleAdaptiveOffset::getSaoStats(SAOQTPart *psQTPart, Int iYCbCr)
2836	{
2837	Int iLevelIdx, iPartIdx, iTypeIdx, iClassIdx;
2838	Int i;
2839	Int iNumTotalType = MAX_NUM_SAO_TYPE;
2840	Int LcuIdxX;
2841	Int LcuIdxY;
2842	Int iAddr;
2843	Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU();
2844	Int iDownPartIdx;
2845	Int iPartStart;
2846	Int iPartEnd;
2847	SAOQTPart* pOnePart;
2848
2849	if (m_uiMaxSplitLevel == 0)
2850	{
2851	iPartIdx = 0;
2852	pOnePart = &(psQTPart[iPartIdx]);
2853	for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++)
2854	{
2855	for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++)
2856	{
2857	iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX;
2858	calcSaoStatsCu(iAddr, iPartIdx, iYCbCr);
2859	}
2860	}
2861	}
2862	else
2863	{
2864	for(iPartIdx=m_aiNumCulPartsLevel[m_uiMaxSplitLevel-1]; iPartIdx<m_aiNumCulPartsLevel[m_uiMaxSplitLevel]; iPartIdx++)
2865	{
2866	pOnePart = &(psQTPart[iPartIdx]);
2867	for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++)
2868	{
2869	for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++)
2870	{
2871	iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX;
2872	calcSaoStatsCu(iAddr, iPartIdx, iYCbCr);
2873	}
2874	}
2875	}
2876	for (iLevelIdx = m_uiMaxSplitLevel-1; iLevelIdx>=0; iLevelIdx-- )
2877	{
2878	iPartStart = (iLevelIdx > 0) ? m_aiNumCulPartsLevel[iLevelIdx-1] : 0;
2879	iPartEnd = m_aiNumCulPartsLevel[iLevelIdx];
2880
2881	for(iPartIdx = iPartStart; iPartIdx < iPartEnd; iPartIdx++)
2882	{
2883	pOnePart = &(psQTPart[iPartIdx]);
2884	for (i=0; i< NUM_DOWN_PART; i++)
2885	{
2886	iDownPartIdx = pOnePart->DownPartsIdx[i];
2887	for (iTypeIdx=0; iTypeIdx<iNumTotalType; iTypeIdx++)
2888	{
2889	for (iClassIdx=0; iClassIdx< (iTypeIdx < SAO_BO ? m_iNumClass[iTypeIdx] : SAO_MAX_BO_CLASSES) +1; iClassIdx++)
2890	{
2891	m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] += m_iOffsetOrg[iDownPartIdx][iTypeIdx][iClassIdx];
2892	m_iCount [iPartIdx][iTypeIdx][iClassIdx] += m_iCount [iDownPartIdx][iTypeIdx][iClassIdx];
2893	}
2894	}
2895	}
2896	}
2897	}
2898	}
2899	}
2900
2901	/** reset offset statistics
2902	* \param
2903	*/
2904	Void TEncSampleAdaptiveOffset::resetStats()
2905	{
2906	for (Int i=0;i<m_iNumTotalParts;i++)
2907	{
2908	m_dCostPartBest[i] = MAX_DOUBLE;
2909	m_iTypePartBest[i] = -1;
2910	m_iDistOrg[i] = 0;
2911	for (Int j=0;j<MAX_NUM_SAO_TYPE;j++)
2912	{
2913	m_iDist[i][j] = 0;
2914	m_iRate[i][j] = 0;
2915	m_dCost[i][j] = 0;
2916	for (Int k=0;k<MAX_NUM_SAO_CLASS;k++)
2917	{
2918	m_iCount [i][j][k] = 0;
2919	m_iOffset[i][j][k] = 0;
2920	m_iOffsetOrg[i][j][k] = 0;
2921	}
2922	}
2923	}
2924	}
2925
2926	/** Sample adaptive offset process
2927	* \param pcSaoParam
2928	* \param dLambdaLuma
2929	* \param dLambdaChroma
2930	*/
2931	#if SAO_ENCODING_CHOICE
2932	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma, Int depth)
2933	#else
2934	Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma)
2935	#endif
2936	{
2937	if(m_bUseNIF)
2938	{
2939	m_pcPic->getPicYuvRec()->copyToPic(m_pcYuvTmp);
2940	}
2941
2942	m_uiSaoBitIncreaseY = max(g_bitDepthY - 10, 0);
2943	m_uiSaoBitIncreaseC = max(g_bitDepthC - 10, 0);
2944	m_iOffsetThY = 1 << min(g_bitDepthY - 5, 5);
2945	m_iOffsetThC = 1 << min(g_bitDepthC - 5, 5);
2946	resetSAOParam(pcSaoParam);
2947	if( !m_saoLcuBasedOptimization \|\| !m_saoLcuBoundary )
2948	{
2949	resetStats();
2950	}
2951	Double dCostFinal = 0;
2952	if ( m_saoLcuBasedOptimization)
2953	{
2954	#if SAO_ENCODING_CHOICE
2955	rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma, depth);
2956	#else
2957	rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma);
2958	#endif
2959	}
2960	else
2961	{
2962	pcSaoParam->bSaoFlag[0] = 1;
2963	pcSaoParam->bSaoFlag[1] = 0;
2964	dCostFinal = 0;
2965	Double lambdaRdo = dLambdaLuma;
2966	resetStats();
2967	getSaoStats(pcSaoParam->psSaoPart[0], 0);
2968	runQuadTreeDecision(pcSaoParam->psSaoPart[0], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo, 0);
2969	pcSaoParam->bSaoFlag[0] = dCostFinal < 0 ? 1:0;
2970	if(pcSaoParam->bSaoFlag[0])
2971	{
2972	convertQT2SaoUnit(pcSaoParam, 0, 0);
2973	assignSaoUnitSyntax(pcSaoParam->saoLcuParam[0], pcSaoParam->psSaoPart[0], pcSaoParam->oneUnitFlag[0], 0);
2974	}
2975	}
2976	if (pcSaoParam->bSaoFlag[0])
2977	{
2978	processSaoUnitAll( pcSaoParam->saoLcuParam[0], pcSaoParam->oneUnitFlag[0], 0);
2979	}
2980	if (pcSaoParam->bSaoFlag[1])
2981	{
2982	processSaoUnitAll( pcSaoParam->saoLcuParam[1], pcSaoParam->oneUnitFlag[1], 1);
2983	processSaoUnitAll( pcSaoParam->saoLcuParam[2], pcSaoParam->oneUnitFlag[2], 2);
2984	}
2985	}
2986	/** Check merge SAO unit
2987	* \param saoUnitCurr current SAO unit
2988	* \param saoUnitCheck SAO unit tobe check
2989	* \param dir direction
2990	*/
2991	Void TEncSampleAdaptiveOffset::checkMerge(SaoLcuParam * saoUnitCurr, SaoLcuParam * saoUnitCheck, Int dir)
2992	{
2993	Int i ;
2994	Int countDiff = 0;
2995	if (saoUnitCurr->partIdx != saoUnitCheck->partIdx)
2996	{
2997	if (saoUnitCurr->typeIdx !=-1)
2998	{
2999	if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx)
3000	{
3001	for (i=0;i<saoUnitCurr->length;i++)
3002	{
3003	countDiff += (saoUnitCurr->offset[i] != saoUnitCheck->offset[i]);
3004	}
3005	countDiff += (saoUnitCurr->subTypeIdx != saoUnitCheck->subTypeIdx);
3006	if (countDiff ==0)
3007	{
3008	saoUnitCurr->partIdx = saoUnitCheck->partIdx;
3009	if (dir == 1)
3010	{
3011	saoUnitCurr->mergeUpFlag = 1;
3012	saoUnitCurr->mergeLeftFlag = 0;
3013	}
3014	else
3015	{
3016	saoUnitCurr->mergeUpFlag = 0;
3017	saoUnitCurr->mergeLeftFlag = 1;
3018	}
3019	}
3020	}
3021	}
3022	else
3023	{
3024	if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx)
3025	{
3026	saoUnitCurr->partIdx = saoUnitCheck->partIdx;
3027	if (dir == 1)
3028	{
3029	saoUnitCurr->mergeUpFlag = 1;
3030	saoUnitCurr->mergeLeftFlag = 0;
3031	}
3032	else
3033	{
3034	saoUnitCurr->mergeUpFlag = 0;
3035	saoUnitCurr->mergeLeftFlag = 1;
3036	}
3037	}
3038	}
3039	}
3040	}
3041	/** Assign SAO unit syntax from picture-based algorithm
3042	* \param saoLcuParam SAO LCU parameters
3043	* \param saoPart SAO part
3044	* \param oneUnitFlag SAO one unit flag
3045	* \param iYCbCr color component Index
3046	*/
3047	Void TEncSampleAdaptiveOffset::assignSaoUnitSyntax(SaoLcuParam* saoLcuParam, SAOQTPart* saoPart, Bool &oneUnitFlag, Int yCbCr)
3048	{
3049	if (saoPart->bSplit == 0)
3050	{
3051	oneUnitFlag = 1;
3052	}
3053	else
3054	{
3055	Int i,j, addr, addrUp, addrLeft, idx, idxUp, idxLeft, idxCount;
3056
3057	oneUnitFlag = 0;
3058
3059	idxCount = -1;
3060	saoLcuParam[0].mergeUpFlag = 0;
3061	saoLcuParam[0].mergeLeftFlag = 0;
3062
3063	for (j=0;j<m_iNumCuInHeight;j++)
3064	{
3065	for (i=0;i<m_iNumCuInWidth;i++)
3066	{
3067	addr = i + j*m_iNumCuInWidth;
3068	addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1;
3069	addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth;
3070	idx = saoLcuParam[addr].partIdxTmp;
3071	idxLeft = (addrLeft == -1) ? -1 : saoLcuParam[addrLeft].partIdxTmp;
3072	idxUp = (addrUp == -1) ? -1 : saoLcuParam[addrUp].partIdxTmp;
3073
3074	if(idx!=idxLeft && idx!=idxUp)
3075	{
3076	saoLcuParam[addr].mergeUpFlag = 0; idxCount++;
3077	saoLcuParam[addr].mergeLeftFlag = 0;
3078	saoLcuParam[addr].partIdx = idxCount;
3079	}
3080	else if (idx==idxLeft)
3081	{
3082	saoLcuParam[addr].mergeUpFlag = 1;
3083	saoLcuParam[addr].mergeLeftFlag = 1;
3084	saoLcuParam[addr].partIdx = saoLcuParam[addrLeft].partIdx;
3085	}
3086	else if (idx==idxUp)
3087	{
3088	saoLcuParam[addr].mergeUpFlag = 1;
3089	saoLcuParam[addr].mergeLeftFlag = 0;
3090	saoLcuParam[addr].partIdx = saoLcuParam[addrUp].partIdx;
3091	}
3092	if (addrUp != -1)
3093	{
3094	checkMerge(&saoLcuParam[addr], &saoLcuParam[addrUp], 1);
3095	}
3096	if (addrLeft != -1)
3097	{
3098	checkMerge(&saoLcuParam[addr], &saoLcuParam[addrLeft], 0);
3099	}
3100	}
3101	}
3102	}
3103	}
3104	/** rate distortion optimization of all SAO units
3105	* \param saoParam SAO parameters
3106	* \param lambda
3107	* \param lambdaChroma
3108	*/
3109	#if SAO_ENCODING_CHOICE
3110	Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma, Int depth)
3111	#else
3112	Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma)
3113	#endif
3114	{
3115
3116	Int idxY;
3117	Int idxX;
3118	Int frameHeightInCU = saoParam->numCuInHeight;
3119	Int frameWidthInCU = saoParam->numCuInWidth;
3120	Int j, k;
3121	Int addr = 0;
3122	Int addrUp = -1;
3123	Int addrLeft = -1;
3124	Int compIdx = 0;
3125	SaoLcuParam mergeSaoParam[3][2];
3126	Double compDistortion[3];
3127
3128	saoParam->bSaoFlag[0] = true;
3129	#if AUXILIARY_PICTURES
3130	saoParam->bSaoFlag[1] = m_pcPic->getChromaFormat() == CHROMA_400 ? false : true;
3131	#else
3132	saoParam->bSaoFlag[1] = true;
3133	#endif
3134	saoParam->oneUnitFlag[0] = false;
3135	saoParam->oneUnitFlag[1] = false;
3136	saoParam->oneUnitFlag[2] = false;
3137
3138	#if SAO_ENCODING_CHOICE
3139	#if SAO_ENCODING_CHOICE_CHROMA
3140	Int numNoSao[2];
3141	numNoSao[0] = 0;// Luma
3142	numNoSao[1] = 0;// Chroma
3143	if( depth > 0 && m_depthSaoRate[0][depth-1] > SAO_ENCODING_RATE )
3144	{
3145	saoParam->bSaoFlag[0] = false;
3146	}
3147	if( depth > 0 && m_depthSaoRate[1][depth-1] > SAO_ENCODING_RATE_CHROMA )
3148	{
3149	saoParam->bSaoFlag[1] = false;
3150	}
3151	#else
3152	Int numNoSao = 0;
3153
3154	if( depth > 0 && m_depth0SaoRate > SAO_ENCODING_RATE )
3155	{
3156	saoParam->bSaoFlag[0] = false;
3157	saoParam->bSaoFlag[1] = false;
3158	}
3159	#endif
3160	#endif
3161
3162	for (idxY = 0; idxY< frameHeightInCU; idxY++)
3163	{
3164	for (idxX = 0; idxX< frameWidthInCU; idxX++)
3165	{
3166	addr = idxX + frameWidthInCU*idxY;
3167	addrUp = addr < frameWidthInCU ? -1:idxX + frameWidthInCU*(idxY-1);
3168	addrLeft = idxX == 0 ? -1:idxX-1 + frameWidthInCU*idxY;
3169	Int allowMergeLeft = 1;
3170	Int allowMergeUp = 1;
3171	UInt rate;
3172	Double bestCost, mergeCost;
3173	if (idxX!=0)
3174	{
3175	// check tile id and slice id
3176	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()))
3177	{
3178	allowMergeLeft = 0;
3179	}
3180	}
3181	else
3182	{
3183	allowMergeLeft = 0;
3184	}
3185	if (idxY!=0)
3186	{
3187	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()))
3188	{
3189	allowMergeUp = 0;
3190	}
3191	}
3192	else
3193	{
3194	allowMergeUp = 0;
3195	}
3196
3197	compDistortion[0] = 0;
3198	compDistortion[1] = 0;
3199	compDistortion[2] = 0;
3200	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
3201	if (allowMergeLeft)
3202	{
3203	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
3204	}
3205	if (allowMergeUp)
3206	{
3207	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
3208	}
3209	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
3210	// reset stats Y, Cb, Cr
3211	for ( compIdx=0;compIdx<3;compIdx++)
3212	{
3213	for ( j=0;j<MAX_NUM_SAO_TYPE;j++)
3214	{
3215	for ( k=0;k< MAX_NUM_SAO_CLASS;k++)
3216	{
3217	m_iOffset [compIdx][j][k] = 0;
3218	if( m_saoLcuBasedOptimization && m_saoLcuBoundary ){
3219	m_iCount [compIdx][j][k] = m_count_PreDblk [addr][compIdx][j][k];
3220	m_iOffsetOrg[compIdx][j][k] = m_offsetOrg_PreDblk[addr][compIdx][j][k];
3221	}
3222	else
3223	{
3224	m_iCount [compIdx][j][k] = 0;
3225	m_iOffsetOrg[compIdx][j][k] = 0;
3226	}
3227	}
3228	}
3229	saoParam->saoLcuParam[compIdx][addr].typeIdx = -1;
3230	saoParam->saoLcuParam[compIdx][addr].mergeUpFlag = 0;
3231	saoParam->saoLcuParam[compIdx][addr].mergeLeftFlag = 0;
3232	saoParam->saoLcuParam[compIdx][addr].subTypeIdx = 0;
3233	#if SAO_ENCODING_CHOICE
3234	if( (compIdx ==0 && saoParam->bSaoFlag[0])\|\| (compIdx >0 && saoParam->bSaoFlag[1]) )
3235	#endif
3236	{
3237	calcSaoStatsCu(addr, compIdx, compIdx);
3238
3239	}
3240	}
3241	saoComponentParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, 0, lambda, &mergeSaoParam[0][0], &compDistortion[0]);
3242	sao2ChromaParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, lambdaChroma, &mergeSaoParam[1][0], &mergeSaoParam[2][0], &compDistortion[0]);
3243	if( saoParam->bSaoFlag[0] \|\| saoParam->bSaoFlag[1] )
3244	{
3245	// Cost of new SAO_params
3246	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
3247	m_pcRDGoOnSbacCoder->resetBits();
3248	if (allowMergeLeft)
3249	{
3250	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
3251	}
3252	if (allowMergeUp)
3253	{
3254	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0);
3255	}
3256	for ( compIdx=0;compIdx<3;compIdx++)
3257	{
3258	if( (compIdx ==0 && saoParam->bSaoFlag[0]) \|\| (compIdx >0 && saoParam->bSaoFlag[1]))
3259	{
3260	m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx);
3261	}
3262	}
3263
3264	rate = m_pcEntropyCoder->getNumberOfWrittenBits();
3265	bestCost = compDistortion[0] + (Double)rate;
3266	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3267
3268	// Cost of Merge
3269	for(Int mergeUp=0; mergeUp<2; ++mergeUp)
3270	{
3271	if ( (allowMergeLeft && (mergeUp==0)) \|\| (allowMergeUp && (mergeUp==1)) )
3272	{
3273	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
3274	m_pcRDGoOnSbacCoder->resetBits();
3275	if (allowMergeLeft)
3276	{
3277	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1-mergeUp);
3278	}
3279	if ( allowMergeUp && (mergeUp==1) )
3280	{
3281	m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1);
3282	}
3283
3284	rate = m_pcEntropyCoder->getNumberOfWrittenBits();
3285	mergeCost = compDistortion[mergeUp+1] + (Double)rate;
3286	if (mergeCost < bestCost)
3287	{
3288	bestCost = mergeCost;
3289	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3290	for ( compIdx=0;compIdx<3;compIdx++)
3291	{
3292	mergeSaoParam[compIdx][mergeUp].mergeLeftFlag = 1-mergeUp;
3293	mergeSaoParam[compIdx][mergeUp].mergeUpFlag = mergeUp;
3294	if( (compIdx==0 && saoParam->bSaoFlag[0]) \|\| (compIdx>0 && saoParam->bSaoFlag[1]))
3295	{
3296	copySaoUnit(&saoParam->saoLcuParam[compIdx][addr], &mergeSaoParam[compIdx][mergeUp] );
3297	}
3298	}
3299	}
3300	}
3301	}
3302	#if SAO_ENCODING_CHOICE
3303	#if SAO_ENCODING_CHOICE_CHROMA
3304	if( saoParam->saoLcuParam[0][addr].typeIdx == -1)
3305	{
3306	numNoSao[0]++;
3307	}
3308	if( saoParam->saoLcuParam[1][addr].typeIdx == -1)
3309	{
3310	numNoSao[1]+=2;
3311	}
3312	#else
3313	for ( compIdx=0;compIdx<3;compIdx++)
3314	{
3315	if( depth == 0 && saoParam->saoLcuParam[compIdx][addr].typeIdx == -1)
3316	{
3317	numNoSao++;
3318	}
3319	}
3320	#endif
3321	#endif
3322	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3323	m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_CURR_BEST]);
3324	}
3325	}
3326	}
3327	#if SAO_ENCODING_CHOICE
3328	#if SAO_ENCODING_CHOICE_CHROMA
3329	if( !saoParam->bSaoFlag[0])
3330	{
3331	m_depthSaoRate[0][depth] = 1.0;
3332	}
3333	else
3334	{
3335	m_depthSaoRate[0][depth] = numNoSao[0]/((Double) frameHeightInCU*frameWidthInCU);
3336	}
3337	if( !saoParam->bSaoFlag[1])
3338	{
3339	m_depthSaoRate[1][depth] = 1.0;
3340	}
3341	else
3342	{
3343	m_depthSaoRate[1][depth] = numNoSao[1]/((Double) frameHeightInCUframeWidthInCU2);
3344	}
3345	#else
3346	if( depth == 0)
3347	{
3348	// update SAO Rate
3349	m_depth0SaoRate = numNoSao/((Double) frameHeightInCUframeWidthInCU3);
3350	}
3351	#endif
3352	#endif
3353
3354	}
3355	/** rate distortion optimization of SAO unit
3356	* \param saoParam SAO parameters
3357	* \param addr address
3358	* \param addrUp above address
3359	* \param addrLeft left address
3360	* \param yCbCr color component index
3361	* \param lambda
3362	*/
3363	inline Int64 TEncSampleAdaptiveOffset::estSaoTypeDist(Int compIdx, Int typeIdx, Int shift, Double lambda, Int currentDistortionTableBo, Double currentRdCostTableBo)
3364	{
3365	Int64 estDist = 0;
3366	Int classIdx;
3367	Int bitDepth = (compIdx==0) ? g_bitDepthY : g_bitDepthC;
3368	Int saoBitIncrease = (compIdx==0) ? m_uiSaoBitIncreaseY : m_uiSaoBitIncreaseC;
3369	Int saoOffsetTh = (compIdx==0) ? m_iOffsetThY : m_iOffsetThC;
3370
3371	for(classIdx=1; classIdx < ( (typeIdx < SAO_BO) ? m_iNumClass[typeIdx]+1 : SAO_MAX_BO_CLASSES+1); classIdx++)
3372	{
3373	if( typeIdx == SAO_BO)
3374	{
3375	currentDistortionTableBo[classIdx-1] = 0;
3376	currentRdCostTableBo[classIdx-1] = lambda;
3377	}
3378	if(m_iCount [compIdx][typeIdx][classIdx])
3379	{
3380	m_iOffset[compIdx][typeIdx][classIdx] = (Int64) xRoundIbdi(bitDepth, (Double)(m_iOffsetOrg[compIdx][typeIdx][classIdx]<<(bitDepth-8)) / (Double)(m_iCount [compIdx][typeIdx][classIdx]<<saoBitIncrease));
3381	m_iOffset[compIdx][typeIdx][classIdx] = Clip3(-saoOffsetTh+1, saoOffsetTh-1, (Int)m_iOffset[compIdx][typeIdx][classIdx]);
3382	if (typeIdx < 4)
3383	{
3384	if ( m_iOffset[compIdx][typeIdx][classIdx]<0 && classIdx<3 )
3385	{
3386	m_iOffset[compIdx][typeIdx][classIdx] = 0;
3387	}
3388	if ( m_iOffset[compIdx][typeIdx][classIdx]>0 && classIdx>=3)
3389	{
3390	m_iOffset[compIdx][typeIdx][classIdx] = 0;
3391	}
3392	}
3393	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 );
3394	}
3395	else
3396	{
3397	m_iOffsetOrg[compIdx][typeIdx][classIdx] = 0;
3398	m_iOffset[compIdx][typeIdx][classIdx] = 0;
3399	}
3400	if( typeIdx != SAO_BO )
3401	{
3402	estDist += estSaoDist( m_iCount [compIdx][typeIdx][classIdx], m_iOffset[compIdx][typeIdx][classIdx] << saoBitIncrease, m_iOffsetOrg[compIdx][typeIdx][classIdx], shift);
3403	}
3404
3405	}
3406	return estDist;
3407	}
3408
3409	inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 offsetOrg, Int shift)
3410	{
3411	return (( countoffsetoffset-offsetOrgoffset2 ) >> shift);
3412	}
3413	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 )
3414	{
3415	//Clean up, best_q_offset.
3416	Int64 iterOffset, tempOffset;
3417	Int64 tempDist, tempRate;
3418	Double tempCost, tempMinCost;
3419	Int64 offsetOutput = 0;
3420	iterOffset = offsetInput;
3421	// 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.
3422	tempMinCost = lambda;
3423	while (iterOffset != 0)
3424	{
3425	// Calculate the bits required for signalling the offset
3426	tempRate = (typeIdx == SAO_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1);
3427	if (abs((Int)iterOffset)==offsetTh-1)
3428	{
3429	tempRate --;
3430	}
3431	// Do the dequntization before distorion calculation
3432	tempOffset = iterOffset << bitIncrease;
3433	tempDist = estSaoDist( count, tempOffset, offsetOrg, shift);
3434	tempCost = ((Double)tempDist + lambda * (Double) tempRate);
3435	if(tempCost < tempMinCost)
3436	{
3437	tempMinCost = tempCost;
3438	offsetOutput = iterOffset;
3439	if(typeIdx == SAO_BO)
3440	{
3441	currentDistortionTableBo[classIdx-1] = (Int) tempDist;
3442	currentRdCostTableBo[classIdx-1] = tempCost;
3443	}
3444	}
3445	iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1);
3446	}
3447	return offsetOutput;
3448	}
3449
3450
3451	Void TEncSampleAdaptiveOffset::saoComponentParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda, SaoLcuParam compSaoParam, Double *compDistortion)
3452	{
3453	Int typeIdx;
3454
3455	Int64 estDist;
3456	Int classIdx;
3457	Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(((yCbCr==0)?g_bitDepthY:g_bitDepthC)-8);
3458	Int64 bestDist;
3459
3460	SaoLcuParam* saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]);
3461	SaoLcuParam* saoLcuParamNeighbor = NULL;
3462
3463	resetSaoUnit(saoLcuParam);
3464	resetSaoUnit(&compSaoParam[0]);
3465	resetSaoUnit(&compSaoParam[1]);
3466
3467
3468	Double dCostPartBest = MAX_DOUBLE;
3469
3470	Double bestRDCostTableBo = MAX_DOUBLE;
3471	Int bestClassTableBo = 0;
3472	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
3473	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
3474
3475
3476	SaoLcuParam saoLcuParamRdo;
3477	Double estRate = 0;
3478
3479	resetSaoUnit(&saoLcuParamRdo);
3480
3481	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3482	m_pcRDGoOnSbacCoder->resetBits();
3483	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr);
3484
3485	dCostPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
3486	copySaoUnit(saoLcuParam, &saoLcuParamRdo );
3487	bestDist = 0;
3488
3489
3490
3491	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
3492	{
3493	estDist = estSaoTypeDist(yCbCr, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
3494
3495	if( typeIdx == SAO_BO )
3496	{
3497	// Estimate Best Position
3498	Double currentRDCost = 0.0;
3499
3500	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
3501	{
3502	currentRDCost = 0.0;
3503	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
3504	{
3505	currentRDCost += currentRdCostTableBo[uj];
3506	}
3507
3508	if( currentRDCost < bestRDCostTableBo)
3509	{
3510	bestRDCostTableBo = currentRDCost;
3511	bestClassTableBo = i;
3512	}
3513	}
3514
3515	// Re code all Offsets
3516	// Code Center
3517	estDist = 0;
3518	for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++)
3519	{
3520	estDist += currentDistortionTableBo[classIdx];
3521	}
3522	}
3523	resetSaoUnit(&saoLcuParamRdo);
3524	saoLcuParamRdo.length = m_iNumClass[typeIdx];
3525	saoLcuParamRdo.typeIdx = typeIdx;
3526	saoLcuParamRdo.mergeLeftFlag = 0;
3527	saoLcuParamRdo.mergeUpFlag = 0;
3528	saoLcuParamRdo.subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo : 0;
3529	for (classIdx = 0; classIdx < saoLcuParamRdo.length; classIdx++)
3530	{
3531	saoLcuParamRdo.offset[classIdx] = (Int)m_iOffset[yCbCr][typeIdx][classIdx+saoLcuParamRdo.subTypeIdx+1];
3532	}
3533	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3534	m_pcRDGoOnSbacCoder->resetBits();
3535	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr);
3536
3537	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
3538	m_dCost[yCbCr][typeIdx] = (Double)((Double)estDist + lambda * (Double) estRate);
3539
3540	if(m_dCost[yCbCr][typeIdx] < dCostPartBest)
3541	{
3542	dCostPartBest = m_dCost[yCbCr][typeIdx];
3543	copySaoUnit(saoLcuParam, &saoLcuParamRdo );
3544	bestDist = estDist;
3545	}
3546	}
3547	compDistortion[0] += ((Double)bestDist/lambda);
3548	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3549	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam, yCbCr);
3550	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
3551
3552
3553	// merge left or merge up
3554
3555	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
3556	{
3557	saoLcuParamNeighbor = NULL;
3558	if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0)
3559	{
3560	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]);
3561	}
3562	else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1)
3563	{
3564	saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]);
3565	}
3566	if (saoLcuParamNeighbor!=NULL)
3567	{
3568	estDist = 0;
3569	typeIdx = saoLcuParamNeighbor->typeIdx;
3570	if (typeIdx>=0)
3571	{
3572	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor->subTypeIdx:0;
3573	Int merge_iOffset;
3574	for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++)
3575	{
3576	merge_iOffset = saoLcuParamNeighbor->offset[classIdx];
3577	estDist += estSaoDist(m_iCount [yCbCr][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[yCbCr][typeIdx][classIdx+mergeBandPosition+1], shift);
3578	}
3579	}
3580	else
3581	{
3582	estDist = 0;
3583	}
3584
3585	copySaoUnit(&compSaoParam[idxNeighbor], saoLcuParamNeighbor );
3586	compSaoParam[idxNeighbor].mergeUpFlag = idxNeighbor;
3587	compSaoParam[idxNeighbor].mergeLeftFlag = !idxNeighbor;
3588
3589	compDistortion[idxNeighbor+1] += ((Double)estDist/lambda);
3590	}
3591	}
3592	}
3593	Void TEncSampleAdaptiveOffset::sao2ChromaParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam saoParam, Int addr, Int addrUp, Int addrLeft, Double lambda, SaoLcuParam crSaoParam, SaoLcuParam cbSaoParam, Double distortion)
3594	{
3595	Int typeIdx;
3596
3597	Int64 estDist[2];
3598	Int classIdx;
3599	Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(g_bitDepthC-8);
3600	Int64 bestDist = 0;
3601
3602	SaoLcuParam* saoLcuParam[2] = {&(saoParam->saoLcuParam[1][addr]), &(saoParam->saoLcuParam[2][addr])};
3603	SaoLcuParam* saoLcuParamNeighbor[2] = {NULL, NULL};
3604	SaoLcuParam* saoMergeParam[2][2];
3605	saoMergeParam[0][0] = &crSaoParam[0];
3606	saoMergeParam[0][1] = &crSaoParam[1];
3607	saoMergeParam[1][0] = &cbSaoParam[0];
3608	saoMergeParam[1][1] = &cbSaoParam[1];
3609
3610	resetSaoUnit(saoLcuParam[0]);
3611	resetSaoUnit(saoLcuParam[1]);
3612	resetSaoUnit(saoMergeParam[0][0]);
3613	resetSaoUnit(saoMergeParam[0][1]);
3614	resetSaoUnit(saoMergeParam[1][0]);
3615	resetSaoUnit(saoMergeParam[1][1]);
3616
3617
3618	Double costPartBest = MAX_DOUBLE;
3619
3620	Double bestRDCostTableBo;
3621	Int bestClassTableBo[2] = {0, 0};
3622	Int currentDistortionTableBo[MAX_NUM_SAO_CLASS];
3623	Double currentRdCostTableBo[MAX_NUM_SAO_CLASS];
3624
3625	SaoLcuParam saoLcuParamRdo[2];
3626	Double estRate = 0;
3627
3628	resetSaoUnit(&saoLcuParamRdo[0]);
3629	resetSaoUnit(&saoLcuParamRdo[1]);
3630
3631	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3632	m_pcRDGoOnSbacCoder->resetBits();
3633	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[0], 1);
3634	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[1], 2);
3635
3636	costPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ;
3637	copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] );
3638	copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] );
3639
3640	for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++)
3641	{
3642	if( typeIdx == SAO_BO )
3643	{
3644	// Estimate Best Position
3645	for(Int compIdx = 0; compIdx < 2; compIdx++)
3646	{
3647	Double currentRDCost = 0.0;
3648	bestRDCostTableBo = MAX_DOUBLE;
3649	estDist[compIdx] = estSaoTypeDist(compIdx+1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
3650	for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++)
3651	{
3652	currentRDCost = 0.0;
3653	for(UInt uj = i; uj < i+SAO_BO_LEN; uj++)
3654	{
3655	currentRDCost += currentRdCostTableBo[uj];
3656	}
3657
3658	if( currentRDCost < bestRDCostTableBo)
3659	{
3660	bestRDCostTableBo = currentRDCost;
3661	bestClassTableBo[compIdx] = i;
3662	}
3663	}
3664
3665	// Re code all Offsets
3666	// Code Center
3667	estDist[compIdx] = 0;
3668	for(classIdx = bestClassTableBo[compIdx]; classIdx < bestClassTableBo[compIdx]+SAO_BO_LEN; classIdx++)
3669	{
3670	estDist[compIdx] += currentDistortionTableBo[classIdx];
3671	}
3672	}
3673	}
3674	else
3675	{
3676	estDist[0] = estSaoTypeDist(1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
3677	estDist[1] = estSaoTypeDist(2, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo);
3678	}
3679
3680	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3681	m_pcRDGoOnSbacCoder->resetBits();
3682
3683	for(Int compIdx = 0; compIdx < 2; compIdx++)
3684	{
3685	resetSaoUnit(&saoLcuParamRdo[compIdx]);
3686	saoLcuParamRdo[compIdx].length = m_iNumClass[typeIdx];
3687	saoLcuParamRdo[compIdx].typeIdx = typeIdx;
3688	saoLcuParamRdo[compIdx].mergeLeftFlag = 0;
3689	saoLcuParamRdo[compIdx].mergeUpFlag = 0;
3690	saoLcuParamRdo[compIdx].subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo[compIdx] : 0;
3691	for (classIdx = 0; classIdx < saoLcuParamRdo[compIdx].length; classIdx++)
3692	{
3693	saoLcuParamRdo[compIdx].offset[classIdx] = (Int)m_iOffset[compIdx+1][typeIdx][classIdx+saoLcuParamRdo[compIdx].subTypeIdx+1];
3694	}
3695
3696	m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[compIdx], compIdx+1);
3697	}
3698	estRate = m_pcEntropyCoder->getNumberOfWrittenBits();
3699	m_dCost[1][typeIdx] = (Double)((Double)(estDist[0] + estDist[1]) + lambda * (Double) estRate);
3700
3701	if(m_dCost[1][typeIdx] < costPartBest)
3702	{
3703	costPartBest = m_dCost[1][typeIdx];
3704	copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] );
3705	copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] );
3706	bestDist = (estDist[0]+estDist[1]);
3707	}
3708	}
3709
3710	distortion[0] += ((Double)bestDist/lambda);
3711	m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]);
3712	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[0], 1);
3713	m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[1], 2);
3714	m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] );
3715
3716	// merge left or merge up
3717
3718	for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++)
3719	{
3720	for(Int compIdx = 0; compIdx < 2; compIdx++)
3721	{
3722	saoLcuParamNeighbor[compIdx] = NULL;
3723	if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0)
3724	{
3725	saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrLeft]);
3726	}
3727	else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1)
3728	{
3729	saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrUp]);
3730	}
3731	if (saoLcuParamNeighbor[compIdx]!=NULL)
3732	{
3733	estDist[compIdx] = 0;
3734	typeIdx = saoLcuParamNeighbor[compIdx]->typeIdx;
3735	if (typeIdx>=0)
3736	{
3737	Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor[compIdx]->subTypeIdx:0;
3738	Int merge_iOffset;
3739	for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++)
3740	{
3741	merge_iOffset = saoLcuParamNeighbor[compIdx]->offset[classIdx];
3742	estDist[compIdx] += estSaoDist(m_iCount [compIdx+1][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[compIdx+1][typeIdx][classIdx+mergeBandPosition+1], shift);
3743	}
3744	}
3745	else
3746	{
3747	estDist[compIdx] = 0;
3748	}
3749
3750	copySaoUnit(saoMergeParam[compIdx][idxNeighbor], saoLcuParamNeighbor[compIdx] );
3751	saoMergeParam[compIdx][idxNeighbor]->mergeUpFlag = idxNeighbor;
3752	saoMergeParam[compIdx][idxNeighbor]->mergeLeftFlag = !idxNeighbor;
3753	distortion[idxNeighbor+1] += ((Double)estDist[compIdx]/lambda);
3754	}
3755	}
3756	}
3757	}
3758
3759	#endif
3760
3761	//! \}

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source: SHVCSoftware/branches/SHM-4.1-dev/source/Lib/TLibEncoder/TEncSampleAdaptiveOffset.cpp @ 1557

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