HEVC Test Model (HM)  HM-16.3
TEncSbac.cpp
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33 
38 #include "TEncTop.h"
39 #include "TEncSbac.h"
40 #include "TLibCommon/TComTU.h"
41 
42 #include <map>
43 #include <algorithm>
44 
45 #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
46 #include "../TLibCommon/Debug.h"
47 #endif
48 
49 
52 
53 // ====================================================================================================================
54 // Constructor / destructor / create / destroy
55 // ====================================================================================================================
56 
58 // new structure here
59 : m_pcBitIf ( NULL )
60 , m_pcSlice ( NULL )
61 , m_pcBinIf ( NULL )
62 , m_numContextModels ( 0 )
63 , m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64 , m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
65 , m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66 , m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67 , m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
68 , m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69 , m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70 , m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71 , m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72 , m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73 , m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74 , m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75 , m_cCUQtCbfSCModel ( 1, NUM_QT_CBF_CTX_SETS, NUM_QT_CBF_CTX_PER_SET , m_contextModels + m_numContextModels, m_numContextModels)
76 , m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77 , m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78 , m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79 , m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80 , m_cCuCtxLastX ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
81 , m_cCuCtxLastY ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
82 , m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83 , m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84 , m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85 , m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86 , m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87 , m_cTransformSkipSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88 , m_CUTransquantBypassFlagSCModel ( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89 , m_explicitRdpcmFlagSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
90 , m_explicitRdpcmDirSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
91 , m_cCrossComponentPredictionSCModel ( 1, 1, NUM_CROSS_COMPONENT_PREDICTION_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92 , m_ChromaQpAdjFlagSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93 , m_ChromaQpAdjIdcSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_IDC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94 {
96 }
97 
99 {
100 }
101 
102 // ====================================================================================================================
103 // Public member functions
104 // ====================================================================================================================
105 
107 {
108  Int iQp = m_pcSlice->getSliceQp();
109  SliceType eSliceType = m_pcSlice->getSliceType();
110 
111  SliceType encCABACTableIdx = m_pcSlice->getEncCABACTableIdx();
112  if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE || encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
113  {
114  eSliceType = encCABACTableIdx;
115  }
116 
117  m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
118  m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
121  m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
122  m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
125  m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
126  m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
127  m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
128  m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
129  m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
132  m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
133  m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
134  m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
135  m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
136  m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
137  m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
148 
149  for (UInt statisticIndex = 0; statisticIndex < RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS ; statisticIndex++)
150  {
151  m_golombRiceAdaptationStatistics[statisticIndex] = 0;
152  }
153 
154  m_pcBinIf->start();
155 
156  return;
157 }
158 
164 {
165  Int qp = m_pcSlice->getSliceQp();
166 
167  if (!m_pcSlice->isIntra())
168  {
169  SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
170 
171  UInt bestCost = MAX_UINT;
172  SliceType bestSliceType = aSliceTypeChoices[0];
173  for (UInt idx=0; idx<2; idx++)
174  {
175  UInt curCost = 0;
176  SliceType curSliceType = aSliceTypeChoices[idx];
177 
178  curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
179  curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
180  curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
181  curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
182  curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
183  curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
184  curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
185  curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
186  curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
187  curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
188  curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
189  curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
190  curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
191  curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
192  curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
193  curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
194  curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
195  curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
196  curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
197  curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
198  curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
199  curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
200  curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
201  curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
202  curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
204  curCost += m_explicitRdpcmFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
205  curCost += m_explicitRdpcmDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
207  curCost += m_ChromaQpAdjFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
208  curCost += m_ChromaQpAdjIdcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
209 
210  if (curCost < bestCost)
211  {
212  bestSliceType = curSliceType;
213  bestCost = curCost;
214  }
215  }
216  return bestSliceType;
217  }
218  else
219  {
220  return I_SLICE;
221  }
222 }
223 
225 {
226  assert (0);
227  return;
228 }
229 
231 {
232  assert (0);
233  return;
234 }
235 
237 {
238  assert (0);
239  return;
240 }
241 
243 {
244  assert (0);
245  return;
246 }
247 
249 {
250  assert (0);
251  return;
252 }
253 
255 {
256  m_pcBinIf->encodeBinTrm( uilsLast );
257 }
258 
260 {
261  m_pcBinIf->finish();
262 }
263 
264 Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
265 {
266  m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
267 
268  if( 0 == uiSymbol)
269  {
270  return;
271  }
272 
273  while( uiSymbol-- )
274  {
275  m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
276  }
277 
278  return;
279 }
280 
281 Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
282 {
283  if (uiMaxSymbol == 0)
284  {
285  return;
286  }
287 
288  m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
289 
290  if ( uiSymbol == 0 )
291  {
292  return;
293  }
294 
295  Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
296 
297  while( --uiSymbol )
298  {
299  m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
300  }
301  if( bCodeLast )
302  {
303  m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
304  }
305 
306  return;
307 }
308 
310 {
311  UInt bins = 0;
312  Int numBins = 0;
313 
314  while( uiSymbol >= (UInt)(1<<uiCount) )
315  {
316  bins = 2 * bins + 1;
317  numBins++;
318  uiSymbol -= 1 << uiCount;
319  uiCount ++;
320  }
321  bins = 2 * bins + 0;
322  numBins++;
323 
324  bins = (bins << uiCount) | uiSymbol;
325  numBins += uiCount;
326 
327  assert( numBins <= 32 );
328  m_pcBinIf->encodeBinsEP( bins, numBins );
329 }
330 
331 
338 Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const ChannelType channelType )
339 {
340  Int codeNumber = (Int)symbol;
341  UInt length;
342 
343  if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
344  {
345  length = codeNumber>>rParam;
346  m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
347  m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
348  }
349  else if (useLimitedPrefixLength)
350  {
351  const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + g_maxTrDynamicRange[channelType]));
352 
353  UInt prefixLength = 0;
354  UInt suffixLength = MAX_UINT;
355  UInt codeValue = (symbol >> rParam) - COEF_REMAIN_BIN_REDUCTION;
356 
357  if (codeValue >= ((1 << maximumPrefixLength) - 1))
358  {
359  prefixLength = maximumPrefixLength;
360  suffixLength = g_maxTrDynamicRange[channelType] - rParam;
361  }
362  else
363  {
364  while (codeValue > ((2 << prefixLength) - 2))
365  {
366  prefixLength++;
367  }
368 
369  suffixLength = prefixLength + 1; //+1 for the separator bit
370  }
371 
372  const UInt suffix = codeValue - ((1 << prefixLength) - 1);
373 
374  const UInt totalPrefixLength = prefixLength + COEF_REMAIN_BIN_REDUCTION;
375  const UInt prefix = (1 << totalPrefixLength) - 1;
376  const UInt rParamBitMask = (1 << rParam) - 1;
377 
378  m_pcBinIf->encodeBinsEP( prefix, totalPrefixLength ); //prefix
379  m_pcBinIf->encodeBinsEP(((suffix << rParam) | (symbol & rParamBitMask)), (suffixLength + rParam)); //separator, suffix, and rParam bits
380  }
381  else
382  {
383  length = rParam;
384  codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
385 
386  while (codeNumber >= (1<<length))
387  {
388  codeNumber -= (1<<(length++));
389  }
390 
391  m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
392  m_pcBinIf->encodeBinsEP(codeNumber,length);
393  }
394 }
395 
396 // SBAC RD
398 {
399  this->xCopyFrom(pSrc);
400 }
401 
403 {
404  m_pcBinIf->copyState( pSrc->m_pcBinIf );
405  if (isLuma(chType))
406  {
408  }
409  else
410  {
412  }
413 }
414 
415 
417 {
418  pDest->xCopyFrom( this );
419 }
420 
421 
423 {
424  m_pcBinIf->copyState( pSrc->m_pcBinIf );
425  xCopyContextsFrom(pSrc);
426 }
427 
428 Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
429 {
430  Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
431  Int iNum = AMVP_MAX_NUM_CANDS;
432 
433  xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
434 }
435 
436 Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
437 {
438  PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
439 
440  if ( pcCU->isIntra( uiAbsPartIdx ) )
441  {
442  if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
443  {
444  m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
445  }
446  return;
447  }
448 
449  switch(eSize)
450  {
451  case SIZE_2Nx2N:
452  {
453  m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
454  break;
455  }
456  case SIZE_2NxN:
457  case SIZE_2NxnU:
458  case SIZE_2NxnD:
459  {
460  m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
461  m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
462  if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < g_uiMaxCUDepth-g_uiAddCUDepth )
463  {
464  if (eSize == SIZE_2NxN)
465  {
467  }
468  else
469  {
471  m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
472  }
473  }
474  break;
475  }
476  case SIZE_Nx2N:
477  case SIZE_nLx2N:
478  case SIZE_nRx2N:
479  {
480  m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
481  m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
482 
483  if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
484  {
485  m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
486  }
487 
488  if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < g_uiMaxCUDepth-g_uiAddCUDepth )
489  {
490  if (eSize == SIZE_Nx2N)
491  {
493  }
494  else
495  {
497  m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
498  }
499  }
500  break;
501  }
502  case SIZE_NxN:
503  {
504  if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
505  {
506  m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
507  m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
508  m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
509  }
510  break;
511  }
512  default:
513  {
514  assert(0);
515  break;
516  }
517  }
518 }
519 
520 
527 {
528  // get context function is here
529  m_pcBinIf->encodeBin( pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
530 }
531 
533 {
534  UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
535  m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
536 }
537 
544 {
545  // get context function is here
546  UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
547  UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
548  m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
550  DTRACE_CABAC_T( "\tSkipFlag" );
551  DTRACE_CABAC_T( "\tuiCtxSkip: ");
552  DTRACE_CABAC_V( uiCtxSkip );
553  DTRACE_CABAC_T( "\tuiSymbol: ");
554  DTRACE_CABAC_V( uiSymbol );
555  DTRACE_CABAC_T( "\n");
556 }
557 
564 {
565  const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
566  m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
567 
569  DTRACE_CABAC_T( "\tMergeFlag: " );
570  DTRACE_CABAC_V( uiSymbol );
571  DTRACE_CABAC_T( "\tAddress: " );
572  DTRACE_CABAC_V( pcCU->getCtuRsAddr() );
573  DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
574  DTRACE_CABAC_V( uiAbsPartIdx );
575  DTRACE_CABAC_T( "\n" );
576 }
577 
584 {
585  UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
586  UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
587  if ( uiNumCand > 1 )
588  {
589  for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
590  {
591  const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
592  if ( ui==0 )
593  {
594  m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
595  }
596  else
597  {
598  m_pcBinIf->encodeBinEP( uiSymbol );
599  }
600  if( uiSymbol == 0 )
601  {
602  break;
603  }
604  }
605  }
607  DTRACE_CABAC_T( "\tparseMergeIndex()" );
608  DTRACE_CABAC_T( "\tuiMRGIdx= " );
609  DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
610  DTRACE_CABAC_T( "\n" );
611 }
612 
613 Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
614 {
615  if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
616  {
617  return;
618  }
619 
620  UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
621  UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
622 
623  assert( uiCtx < 3 );
624  m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
626  DTRACE_CABAC_T( "\tSplitFlag\n" )
627  return;
628 }
629 
631 {
632  m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
634  DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
635  DTRACE_CABAC_T( "\tsymbol=" )
636  DTRACE_CABAC_V( uiSymbol )
637  DTRACE_CABAC_T( "\tctx=" )
638  DTRACE_CABAC_V( uiCtx )
639  DTRACE_CABAC_T( "\n" )
640 }
641 
642 
643 Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
644 {
645  UInt dir[4],j;
646  Int preds[4][NUM_MOST_PROBABLE_MODES] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
647  Int predIdx[4] ={ -1,-1,-1,-1};
648  PartSize mode = pcCU->getPartitionSize( absPartIdx );
649  UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
650  UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
651  for (j=0;j<partNum;j++)
652  {
653  dir[j] = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j );
654  pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds[j], COMPONENT_Y);
655  for(UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++)
656  {
657  if(dir[j] == preds[j][i])
658  {
659  predIdx[j] = i;
660  }
661  }
662  m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
663  }
664  for (j=0;j<partNum;j++)
665  {
666  if(predIdx[j] != -1)
667  {
668  m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
669  if (predIdx[j])
670  {
671  m_pcBinIf->encodeBinEP( predIdx[j]-1 );
672  }
673  }
674  else
675  {
676  if (preds[j][0] > preds[j][1])
677  {
678  std::swap(preds[j][0], preds[j][1]);
679  }
680  if (preds[j][0] > preds[j][2])
681  {
682  std::swap(preds[j][0], preds[j][2]);
683  }
684  if (preds[j][1] > preds[j][2])
685  {
686  std::swap(preds[j][1], preds[j][2]);
687  }
688  for(Int i = (Int(NUM_MOST_PROBABLE_MODES) - 1); i >= 0; i--)
689  {
690  dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
691  }
692  m_pcBinIf->encodeBinsEP( dir[j], 5 );
693  }
694  }
695  return;
696 }
697 
699 {
700  UInt uiIntraDirChroma = pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx );
701 
702  if( uiIntraDirChroma == DM_CHROMA_IDX )
703  {
704  m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
705  }
706  else
707  {
708  m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
709 
710  UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
711  pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
712 
713  for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
714  {
715  if( uiIntraDirChroma == uiAllowedChromaDir[i] )
716  {
717  uiIntraDirChroma = i;
718  break;
719  }
720  }
721 
722  m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
723  }
724 
725  return;
726 }
727 
728 
730 {
731  const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
732  const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
734 
735  if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N || pcCU->getHeight(uiAbsPartIdx) != 8 )
736  {
737  m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
738  }
739 
740  if (uiInterDir < 2)
741  {
742  m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
743  }
744 
745  return;
746 }
747 
748 Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
749 {
750  Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
751  ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
752  m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
753 
754  if( iRefFrame > 0 )
755  {
756  UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
757  pCtx++;
758  iRefFrame--;
759  for( UInt ui = 0; ui < uiRefNum; ++ui )
760  {
761  const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
762  if( ui == 0 )
763  {
764  m_pcBinIf->encodeBin( uiSymbol, *pCtx );
765  }
766  else
767  {
768  m_pcBinIf->encodeBinEP( uiSymbol );
769  }
770  if( uiSymbol == 0 )
771  {
772  break;
773  }
774  }
775  }
776  return;
777 }
778 
779 Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
780 {
781  if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
782  {
783  return;
784  }
785 
786  const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
787  const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
788  const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
789  ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
790 
791  m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
792  m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
793 
794  const Bool bHorAbsGr0 = iHor != 0;
795  const Bool bVerAbsGr0 = iVer != 0;
796  const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
797  const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
798  pCtx++;
799 
800  if( bHorAbsGr0 )
801  {
802  m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
803  }
804 
805  if( bVerAbsGr0 )
806  {
807  m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
808  }
809 
810  if( bHorAbsGr0 )
811  {
812  if( uiHorAbs > 1 )
813  {
814  xWriteEpExGolomb( uiHorAbs-2, 1 );
815  }
816 
817  m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
818  }
819 
820  if( bVerAbsGr0 )
821  {
822  if( uiVerAbs > 1 )
823  {
824  xWriteEpExGolomb( uiVerAbs-2, 1 );
825  }
826 
827  m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
828  }
829 
830  return;
831 }
832 
834 {
835  TComDataCU *pcCU = rTu.getCU();
836 
837  if( isLuma(compID) || !pcCU->getSlice()->getPPS()->getUseCrossComponentPrediction() )
838  {
839  return;
840  }
841 
842  const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU();
843 
844  if (!pcCU->isIntra(uiAbsPartIdx) || (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX))
845  {
847  DTRACE_CABAC_T("\tparseCrossComponentPrediction()")
848  DTRACE_CABAC_T( "\tAddr=" )
849  DTRACE_CABAC_V( compID )
850  DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
851  DTRACE_CABAC_V( uiAbsPartIdx )
852 
853  Int alpha = pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID );
855  m_pcBinIf->encodeBin(((alpha != 0) ? 1 : 0), pCtx[0]);
856 
857  if (alpha != 0)
858  {
859  static const Int log2AbsAlphaMinus1Table[8] = { 0, 1, 1, 2, 2, 2, 3, 3 };
860  assert(abs(alpha) <= 8);
861 
862  if (abs(alpha)>1)
863  {
864  m_pcBinIf->encodeBin(1, pCtx[1]);
865  xWriteUnaryMaxSymbol( log2AbsAlphaMinus1Table[abs(alpha) - 1] - 1, (pCtx + 2), 1, 2 );
866  }
867  else
868  {
869  m_pcBinIf->encodeBin(0, pCtx[1]);
870  }
871  m_pcBinIf->encodeBin( ((alpha < 0) ? 1 : 0), pCtx[4] );
872  }
873  DTRACE_CABAC_T( "\tAlpha=" )
874  DTRACE_CABAC_V( pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID ) )
875  DTRACE_CABAC_T( "\n" )
876  }
877 }
878 
880 {
881  Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
882 
883  Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
884  iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
885 
886  UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
887  UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
888  xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
889  if( uiAbsDQp >= CU_DQP_TU_CMAX )
890  {
892  }
893 
894  if ( uiAbsDQp > 0)
895  {
896  UInt uiSign = (iDQp > 0 ? 0 : 1);
897  m_pcBinIf->encodeBinEP(uiSign);
898  }
899 
900  return;
901 }
902 
907 {
908  Int internalIdc = cu->getChromaQpAdj( absPartIdx );
909  Int tableSize = cu->getSlice()->getPPS()->getChromaQpAdjTableSize();
910  /* internal_idc == 0 => flag = 0
911  * internal_idc > 1 => code idc value (if table size warrents) */
912  m_pcBinIf->encodeBin( internalIdc > 0, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) );
913 
914  if (internalIdc > 0 && tableSize > 1)
915  {
916  xWriteUnaryMaxSymbol( internalIdc - 1, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, tableSize - 1 );
917  }
918 }
919 
920 Void TEncSbac::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
921 {
922  TComDataCU* pcCU = rTu.getCU();
923 
924  const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
925  const UInt TUDepth = rTu.GetTransformDepthRel();
926  UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) );
927  const UInt contextSet = toChannelType(compID);
928 
929  const UInt width = rTu.getRect(compID).width;
930  const UInt height = rTu.getRect(compID).height;
931  const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2));
932 
933  // Since the CBF for chroma is coded at the highest level possible, if sub-TUs are
934  // to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level
935  // (i.e. where luma TUs are 8x8 rather than 4x4)
936  // ___ ___
937  // | | | <- 4 x (8x8 luma + 4x8 4:2:2 chroma)
938  // |___|___| each quadrant has its own chroma CBF
939  // | | | _ _ _ _
940  // |___|___| |
941  // <--16---> V
942  // _ _
943  // |_|_| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma
944  // |_|_| no chroma CBF is coded - instead the parent CBF is inherited
945  // <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level
946 
947  const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF
948 
949  if ((width != height) && (lowestLevel || !canQuadSplit)) //if sub-TUs are present
950  {
951  const UInt subTUDepth = lowestTUDepth + 1; //if this is the lowest level of the TU-tree, the sub-TUs are directly below. Otherwise, this must be the level above the lowest level (as specified above)
952  const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1;
953 
954  for (UInt subTU = 0; subTU < 2; subTU++)
955  {
956  const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU);
957  const UInt uiCbf = pcCU->getCbf(subTUAbsPartIdx, compID, subTUDepth);
958 
959  m_pcBinIf->encodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx));
960 
962  DTRACE_CABAC_T( "\tparseQtCbf()" )
963  DTRACE_CABAC_T( "\tsub-TU=" )
964  DTRACE_CABAC_V( subTU )
965  DTRACE_CABAC_T( "\tsymbol=" )
966  DTRACE_CABAC_V( uiCbf )
967  DTRACE_CABAC_T( "\tctx=" )
968  DTRACE_CABAC_V( uiCtx )
969  DTRACE_CABAC_T( "\tetype=" )
970  DTRACE_CABAC_V( compID )
971  DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
972  DTRACE_CABAC_V( subTUAbsPartIdx )
973  DTRACE_CABAC_T( "\n" )
974  }
975  }
976  else
977  {
978  const UInt uiCbf = pcCU->getCbf( absPartIdx, compID, lowestTUDepth );
979  m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, contextSet, uiCtx ) );
980 
981 
983  DTRACE_CABAC_T( "\tparseQtCbf()" )
984  DTRACE_CABAC_T( "\tsymbol=" )
985  DTRACE_CABAC_V( uiCbf )
986  DTRACE_CABAC_T( "\tctx=" )
987  DTRACE_CABAC_V( uiCtx )
988  DTRACE_CABAC_T( "\tetype=" )
989  DTRACE_CABAC_V( compID )
990  DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
991  DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) )
992  DTRACE_CABAC_T( "\n" )
993  }
994 }
995 
996 
998 {
999  TComDataCU* pcCU=rTu.getCU();
1000  const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
1001 
1002  if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1003  {
1004  return;
1005  }
1006 
1008  {
1009  return;
1010  }
1011 
1012  UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,component);
1013  m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) );
1014 
1016  DTRACE_CABAC_T("\tparseTransformSkip()");
1017  DTRACE_CABAC_T( "\tsymbol=" )
1018  DTRACE_CABAC_V( useTransformSkip )
1019  DTRACE_CABAC_T( "\tAddr=" )
1020  DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1021  DTRACE_CABAC_T( "\tetype=" )
1022  DTRACE_CABAC_V( component )
1023  DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1025  DTRACE_CABAC_T( "\n" )
1026 }
1027 
1028 
1035 {
1036  UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1037 
1038  Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1039 
1040  m_pcBinIf->encodeBinTrm (uiIPCM);
1041 
1042  if (writePCMSampleFlag)
1043  {
1045 
1046  const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight();
1047  const UInt offsetY = minCoeffSizeY * uiAbsPartIdx;
1048  for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++)
1049  {
1050  const ComponentID compID = ComponentID(ch);
1051  const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID));
1052  Pel * pPCMSample = pcCU->getPCMSample(compID) + offset;
1053  const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID);
1054  const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID);
1055  const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID));
1056  for (UInt y=0; y<height; y++)
1057  {
1058  for (UInt x=0; x<width; x++)
1059  {
1060  UInt sample = pPCMSample[x];
1061  m_pcBinIf->xWritePCMCode(sample, sampleBits);
1062  }
1063  pPCMSample += width;
1064  }
1065  }
1066 
1067  m_pcBinIf->resetBac();
1068  }
1069 }
1070 
1072 {
1073  UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1074  UInt uiCtx = 0;
1075  m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1077  DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1078  DTRACE_CABAC_T( "\tsymbol=" )
1079  DTRACE_CABAC_V( uiCbf )
1080  DTRACE_CABAC_T( "\tctx=" )
1081  DTRACE_CABAC_V( uiCtx )
1082  DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1083  DTRACE_CABAC_V( uiAbsPartIdx )
1084  DTRACE_CABAC_T( "\n" )
1085 }
1086 
1088 {
1089  // this function is only used to estimate the bits when cbf is 0
1090  // and will never be called when writing the bistream. do not need to write log
1091  UInt uiCbf = 0;
1092  UInt uiCtx = rTu.getCU()->getCtxQtCbf( rTu, chType );
1093 
1094  m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, chType, uiCtx ) );
1095 }
1096 
1098 {
1099  // this function is only used to estimate the bits when cbf is 0
1100  // and will never be called when writing the bistream. do not need to write log
1101  UInt uiCbf = 0;
1102  UInt uiCtx = 0;
1103  m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1104 }
1105 
1115 Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx )
1116 {
1117  // swap
1118  if( uiScanIdx == SCAN_VER )
1119  {
1120  swap( uiPosX, uiPosY );
1121  swap( width, height );
1122  }
1123 
1124  UInt uiCtxLast;
1125  UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1126  UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1127 
1128  ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) );
1129  ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) );
1130 
1131  Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1132  getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1133 
1134  //------------------
1135 
1136  // posX
1137 
1138  for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1139  {
1140  m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1141  }
1142  if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1143  {
1144  m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1145  }
1146 
1147  // posY
1148 
1149  for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1150  {
1151  m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1152  }
1153  if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1154  {
1155  m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1156  }
1157 
1158  // EP-coded part
1159 
1160  if ( uiGroupIdxX > 3 )
1161  {
1162  UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1163  uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1164  for (Int i = uiCount - 1 ; i >= 0; i-- )
1165  {
1166  m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1167  }
1168  }
1169  if ( uiGroupIdxY > 3 )
1170  {
1171  UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1172  uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1173  for ( Int i = uiCount - 1 ; i >= 0; i-- )
1174  {
1175  m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1176  }
1177  }
1178 }
1179 
1180 
1181 Void TEncSbac::codeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1182 {
1183  TComDataCU* pcCU=rTu.getCU();
1184  const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID);
1185  const TComRectangle &tuRect=rTu.getRect(compID);
1186  const UInt uiWidth=tuRect.width;
1187  const UInt uiHeight=tuRect.height;
1188 
1190  DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1191  DTRACE_CABAC_V( compID )
1192  DTRACE_CABAC_T( "\twidth=" )
1193  DTRACE_CABAC_V( uiWidth )
1194  DTRACE_CABAC_T( "\theight=" )
1195  DTRACE_CABAC_V( uiHeight )
1196  DTRACE_CABAC_T( "\tdepth=" )
1197 // DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) )
1199  DTRACE_CABAC_T( "\tabspartidx=" )
1200  DTRACE_CABAC_V( uiAbsPartIdx )
1201  DTRACE_CABAC_T( "\ttoCU-X=" )
1202  DTRACE_CABAC_V( pcCU->getCUPelX() )
1203  DTRACE_CABAC_T( "\ttoCU-Y=" )
1204  DTRACE_CABAC_V( pcCU->getCUPelY() )
1205  DTRACE_CABAC_T( "\tCU-addr=" )
1206  DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1207  DTRACE_CABAC_T( "\tinCU-X=" )
1208 // DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1210  DTRACE_CABAC_T( "\tinCU-Y=" )
1211 // DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1213  DTRACE_CABAC_T( "\tpredmode=" )
1214  DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1215  DTRACE_CABAC_T( "\n" )
1216 
1217  //--------------------------------------------------------------------------------------------------
1218 
1219  if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1220  {
1221  std::cerr << "ERROR: codeCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl;
1222  assert(false);
1223  exit(1);
1224  }
1225 
1226  // compute number of significant coefficients
1227  UInt uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1228 
1229  if ( uiNumSig == 0 )
1230  {
1231  std::cerr << "ERROR: codeCoeffNxN called for empty TU!" << std::endl;
1232  assert(false);
1233  exit(1);
1234  }
1235 
1236  //--------------------------------------------------------------------------------------------------
1237 
1238  //set parameters
1239 
1240  const ChannelType chType = toChannelType(compID);
1241  const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2;
1242  const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2;
1243 
1244  const ChannelType channelType = toChannelType(compID);
1245  const Bool extendedPrecision = pcCU->getSlice()->getSPS()->getUseExtendedPrecision();
1246 
1247  const Bool alignCABACBeforeBypass = pcCU->getSlice()->getSPS()->getAlignCABACBeforeBypass();
1248 
1249  Bool beValid;
1250 
1251  {
1252  Int uiIntraMode = -1;
1253  const Bool bIsLuma = isLuma(compID);
1254  Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0;
1255  if ( isIntra )
1256  {
1257  uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx );
1258 
1259  uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat())) : uiIntraMode;
1260  uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode;
1261  }
1262 
1263  Int transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID) ? 1 : 0;
1264  Bool rdpcm_lossy = ( transformSkip && isIntra && ( (uiIntraMode == HOR_IDX) || (uiIntraMode == VER_IDX) ) ) && pcCU->isRDPCMEnabled(uiAbsPartIdx);
1265 
1266  if ( (pcCU->getCUTransquantBypass(uiAbsPartIdx)) || rdpcm_lossy )
1267  {
1268  beValid = false;
1269  if ( (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1270  {
1271  codeExplicitRdpcmMode( rTu, compID);
1272  }
1273  }
1274  else
1275  {
1276  beValid = pcCU->getSlice()->getPPS()->getSignHideFlag();
1277  }
1278  }
1279 
1280  //--------------------------------------------------------------------------------------------------
1281 
1282  if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1283  {
1284  codeTransformSkipFlags(rTu, compID);
1285  if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && !pcCU->isIntra(uiAbsPartIdx) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1286  {
1287  // This TU has coefficients and is transform skipped. Check whether is inter coded and if yes encode the explicit RDPCM mode
1288  codeExplicitRdpcmMode( rTu, compID);
1289 
1290  if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF)
1291  {
1292  // Sign data hiding is avoided for horizontal and vertical explicit RDPCM modes
1293  beValid = false;
1294  }
1295  }
1296  }
1297 
1298  //--------------------------------------------------------------------------------------------------
1299 
1300  const Bool bUseGolombRiceParameterAdaptation = pcCU->getSlice()->getSPS()->getUseGolombRiceParameterAdaptation();
1301  UInt &currentGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)];
1302 
1303  //select scans
1304  TUEntropyCodingParameters codingParameters;
1305  getTUEntropyCodingParameters(codingParameters, rTu, compID);
1306 
1307  //----- encode significance map -----
1308 
1309  // Find position of last coefficient
1310  Int scanPosLast = -1;
1311  Int posLast;
1312 
1313 
1314  UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1315 
1316  memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1317  do
1318  {
1319  posLast = codingParameters.scan[ ++scanPosLast ];
1320 
1321  if( pcCoef[ posLast ] != 0 )
1322  {
1323  // get L1 sig map
1324  UInt uiPosY = posLast >> uiLog2BlockWidth;
1325  UInt uiPosX = posLast - ( uiPosY << uiLog2BlockWidth );
1326 
1327  UInt uiBlkIdx = (codingParameters.widthInGroups * (uiPosY >> MLS_CG_LOG2_HEIGHT)) + (uiPosX >> MLS_CG_LOG2_WIDTH);
1328  uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1329 
1330  uiNumSig--;
1331  }
1332  } while ( uiNumSig > 0 );
1333 
1334  // Code position of last coefficient
1335  Int posLastY = posLast >> uiLog2BlockWidth;
1336  Int posLastX = posLast - ( posLastY << uiLog2BlockWidth );
1337  codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, compID, codingParameters.scanType);
1338 
1339  //===== code significance flag =====
1340  ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, chType );
1341  ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID);
1342 
1343  const Int iLastScanSet = scanPosLast >> MLS_CG_SIZE;
1344 
1345  UInt c1 = 1;
1346  UInt uiGoRiceParam = 0;
1347  Int iScanPosSig = scanPosLast;
1348 
1349  for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1350  {
1351  Int numNonZero = 0;
1352  Int iSubPos = iSubSet << MLS_CG_SIZE;
1353  uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1354  Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system
1355  UInt coeffSigns = 0;
1356 
1357  Int absCoeff[1 << MLS_CG_SIZE];
1358 
1359  Int lastNZPosInCG = -1;
1360  Int firstNZPosInCG = 1 << MLS_CG_SIZE;
1361 
1362  Bool escapeDataPresentInGroup = false;
1363 
1364  if( iScanPosSig == scanPosLast )
1365  {
1366  absCoeff[ 0 ] = Int(abs( pcCoef[ posLast ] ));
1367  coeffSigns = ( pcCoef[ posLast ] < 0 );
1368  numNonZero = 1;
1369  lastNZPosInCG = iScanPosSig;
1370  firstNZPosInCG = iScanPosSig;
1371  iScanPosSig--;
1372  }
1373 
1374  // encode significant_coeffgroup_flag
1375  Int iCGBlkPos = codingParameters.scanCG[ iSubSet ];
1376  Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups;
1377  Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups);
1378 
1379  if( iSubSet == iLastScanSet || iSubSet == 0)
1380  {
1381  uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1382  }
1383  else
1384  {
1385  UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1386  UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups );
1387  m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1388  }
1389 
1390  // encode significant_coeff_flag
1391  if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1392  {
1393  const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups);
1394 
1395  UInt uiBlkPos, uiSig, uiCtxSig;
1396  for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1397  {
1398  uiBlkPos = codingParameters.scan[ iScanPosSig ];
1399  uiSig = (pcCoef[ uiBlkPos ] != 0);
1400  if( iScanPosSig > iSubPos || iSubSet == 0 || numNonZero )
1401  {
1402  uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType );
1403  m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1404  }
1405  if( uiSig )
1406  {
1407  absCoeff[ numNonZero ] = Int(abs( pcCoef[ uiBlkPos ] ));
1408  coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1409  numNonZero++;
1410  if( lastNZPosInCG == -1 )
1411  {
1412  lastNZPosInCG = iScanPosSig;
1413  }
1414  firstNZPosInCG = iScanPosSig;
1415  }
1416  }
1417  }
1418  else
1419  {
1420  iScanPosSig = iSubPos - 1;
1421  }
1422 
1423  if( numNonZero > 0 )
1424  {
1425  Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1426 
1427  const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0));
1428  c1 = 1;
1429 
1430  ContextModel *baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET * uiCtxSet);
1431 
1432  Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1433  Int firstC2FlagIdx = -1;
1434  for( Int idx = 0; idx < numC1Flag; idx++ )
1435  {
1436  UInt uiSymbol = absCoeff[ idx ] > 1;
1437  m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1438  if( uiSymbol )
1439  {
1440  c1 = 0;
1441 
1442  if (firstC2FlagIdx == -1)
1443  {
1444  firstC2FlagIdx = idx;
1445  }
1446  else //if a greater-than-one has been encountered already this group
1447  {
1448  escapeDataPresentInGroup = true;
1449  }
1450  }
1451  else if( (c1 < 3) && (c1 > 0) )
1452  {
1453  c1++;
1454  }
1455  }
1456 
1457  if (c1 == 0)
1458  {
1459  baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet);
1460  if ( firstC2FlagIdx != -1)
1461  {
1462  UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1463  m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1464  if (symbol != 0)
1465  {
1466  escapeDataPresentInGroup = true;
1467  }
1468  }
1469  }
1470 
1471  escapeDataPresentInGroup = escapeDataPresentInGroup || (numNonZero > C1FLAG_NUMBER);
1472 
1473  if (escapeDataPresentInGroup && alignCABACBeforeBypass)
1474  {
1475  m_pcBinIf->align();
1476  }
1477 
1478  if( beValid && signHidden )
1479  {
1480  m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1481  }
1482  else
1483  {
1484  m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1485  }
1486 
1487  Int iFirstCoeff2 = 1;
1488  if (escapeDataPresentInGroup)
1489  {
1490  for ( Int idx = 0; idx < numNonZero; idx++ )
1491  {
1492  UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1493 
1494  if( absCoeff[ idx ] >= baseLevel)
1495  {
1496  const UInt escapeCodeValue = absCoeff[idx] - baseLevel;
1497 
1498  xWriteCoefRemainExGolomb( escapeCodeValue, uiGoRiceParam, extendedPrecision, channelType );
1499 
1500  if (absCoeff[idx] > (3 << uiGoRiceParam))
1501  {
1502  uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4));
1503  }
1504 
1505  if (updateGolombRiceStatistics)
1506  {
1507  const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1508 
1509  if (escapeCodeValue >= (3 << initialGolombRiceParameter))
1510  {
1511  currentGolombRiceStatistic++;
1512  }
1513  else if (((escapeCodeValue * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0))
1514  {
1515  currentGolombRiceStatistic--;
1516  }
1517 
1518  updateGolombRiceStatistics = false;
1519  }
1520  }
1521 
1522  if(absCoeff[ idx ] >= 2)
1523  {
1524  iFirstCoeff2 = 0;
1525  }
1526  }
1527  }
1528  }
1529  }
1530 #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
1531  printSBACCoeffData(posLastX, posLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef, g_bFinalEncode);
1532 #endif
1533 
1534  return;
1535 }
1536 
1541 {
1542  m_pcBinIf->encodeBinEP( code );
1543 }
1544 
1546 {
1547  if (maxSymbol == 0)
1548  {
1549  return;
1550  }
1551 
1552  Int i;
1553  Bool bCodeLast = ( maxSymbol > code );
1554 
1555  if ( code == 0 )
1556  {
1557  m_pcBinIf->encodeBinEP( 0 );
1558  }
1559  else
1560  {
1561  m_pcBinIf->encodeBinEP( 1 );
1562  for ( i=0; i<code-1; i++ )
1563  {
1564  m_pcBinIf->encodeBinEP( 1 );
1565  }
1566  if( bCodeLast )
1567  {
1568  m_pcBinIf->encodeBinEP( 0 );
1569  }
1570  }
1571 }
1572 
1575 Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
1576 {
1577  m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
1578 }
1579 
1583 {
1584  m_pcBinIf->encodeBin(((uiCode == 0) ? 0 : 1), m_cSaoMergeSCModel.get( 0, 0, 0 ));
1585 }
1586 
1590 {
1591  if (uiCode == 0)
1592  {
1593  m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1594  }
1595  else
1596  {
1597  m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
1598  m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
1599  }
1600 }
1601 
1603 {
1604  UInt uiSymbol;
1605  if(!sliceEnabled)
1606  {
1607  assert(ctbParam.modeIdc == SAO_MODE_OFF);
1608  return;
1609  }
1610  const Bool bIsFirstCompOfChType = (getFirstComponentOfChannel(toChannelType(compIdx)) == compIdx);
1611 
1612  //type
1613  if(bIsFirstCompOfChType)
1614  {
1615  //sao_type_idx_luma or sao_type_idx_chroma
1616  if(ctbParam.modeIdc == SAO_MODE_OFF)
1617  {
1618  uiSymbol =0;
1619  }
1620  else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
1621  {
1622  uiSymbol = 1;
1623  }
1624  else
1625  {
1626  assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
1627  uiSymbol = 2;
1628  }
1629  codeSaoTypeIdx(uiSymbol);
1630  }
1631 
1632  if(ctbParam.modeIdc == SAO_MODE_NEW)
1633  {
1634  Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
1635  Int offset[4];
1636  Int k=0;
1637  for(Int i=0; i< numClasses; i++)
1638  {
1639  if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
1640  {
1641  continue;
1642  }
1643  Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
1644  offset[k] = ctbParam.offset[classIdx];
1645  k++;
1646  }
1647 
1648  for(Int i=0; i< 4; i++)
1649  {
1650  codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), g_saoMaxOffsetQVal[compIdx] ); //sao_offset_abs
1651  }
1652 
1653 
1654  if(ctbParam.typeIdc == SAO_TYPE_BO)
1655  {
1656  for(Int i=0; i< 4; i++)
1657  {
1658  if(offset[i] != 0)
1659  {
1660  codeSAOSign((offset[i]< 0)?1:0);
1661  }
1662  }
1663 
1664  codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
1665  }
1666  else //EO
1667  {
1668  if(bIsFirstCompOfChType)
1669  {
1670  assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
1671  codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
1672  }
1673  }
1674 
1675  }
1676 }
1677 
1678 
1680  , Bool* sliceEnabled
1681  , Bool leftMergeAvail
1682  , Bool aboveMergeAvail
1683  , Bool onlyEstMergeInfo // = false
1684  )
1685 {
1686 
1687  Bool isLeftMerge = false;
1688  Bool isAboveMerge= false;
1689 
1690  if(leftMergeAvail)
1691  {
1692  isLeftMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_LEFT));
1693  codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
1694  }
1695 
1696  if( aboveMergeAvail && !isLeftMerge)
1697  {
1698  isAboveMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_ABOVE));
1699  codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
1700  }
1701 
1702  if(onlyEstMergeInfo)
1703  {
1704  return; //only for RDO
1705  }
1706 
1707  if(!isLeftMerge && !isAboveMerge) //not merge mode
1708  {
1709  for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++)
1710  {
1711  codeSAOOffsetParam(ComponentID(compIdx), saoBlkParam[compIdx], sliceEnabled[compIdx]);
1712  }
1713  }
1714 }
1715 
1722 Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
1723 {
1724  estCBFBit( pcEstBitsSbac );
1725 
1726  estSignificantCoeffGroupMapBit( pcEstBitsSbac, chType );
1727 
1728  // encode significance map
1729  estSignificantMapBit( pcEstBitsSbac, width, height, chType );
1730 
1731  // encode last significant position
1732  estLastSignificantPositionBit( pcEstBitsSbac, width, height, chType );
1733 
1734  // encode significant coefficients
1735  estSignificantCoefficientsBit( pcEstBitsSbac, chType );
1736 
1738 }
1739 
1747 {
1748  ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
1749 
1750  for( UInt uiCtxInc = 0; uiCtxInc < (NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET); uiCtxInc++ )
1751  {
1752  pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1753  pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1754  }
1755 
1756  pCtx = m_cCUQtRootCbfSCModel.get( 0 );
1757 
1758  for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
1759  {
1760  pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
1761  pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
1762  }
1763 }
1764 
1765 
1773 {
1774  Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
1775 
1776  for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
1777  {
1778  for( UInt uiBin = 0; uiBin < 2; uiBin++ )
1779  {
1780  pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, chType, ctxIdx ).getEntropyBits( uiBin );
1781  }
1782  }
1783 }
1784 
1785 
1793 {
1794  //--------------------------------------------------------------------------------------------------
1795 
1796  //set up the number of channels and context variables
1797 
1798  const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
1799  const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
1800 
1801  //----------------------------------------------------------
1802 
1803  Int firstCtx = MAX_INT;
1804  Int numCtx = MAX_INT;
1805 
1806  if ((width == 4) && (height == 4))
1807  {
1810  }
1811  else if ((width == 8) && (height == 8))
1812  {
1815  }
1816  else
1817  {
1820  }
1821 
1822  //--------------------------------------------------------------------------------------------------
1823 
1824  //fill the data for the significace map
1825 
1826  for (UInt component = firstComponent; component <= lastComponent; component++)
1827  {
1828  const UInt contextOffset = getSignificanceMapContextOffset(ComponentID(component));
1829 
1830  if (firstCtx > 0)
1831  {
1832  for( UInt bin = 0; bin < 2; bin++ ) //always get the DC
1833  {
1834  pcEstBitsSbac->significantBits[ contextOffset ][ bin ] = m_cCUSigSCModel.get( 0, 0, contextOffset ).getEntropyBits( bin );
1835  }
1836  }
1837 
1838  // This could be made optional, but would require this function to have knowledge of whether the
1839  // TU is transform-skipped or transquant-bypassed and whether the SPS flag is set
1840  for( UInt bin = 0; bin < 2; bin++ )
1841  {
1842  const Int ctxIdx = significanceMapContextSetStart[chType][CONTEXT_TYPE_SINGLE];
1843  pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ bin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( bin );
1844  }
1845 
1846  for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
1847  {
1848  for( UInt uiBin = 0; uiBin < 2; uiBin++ )
1849  {
1850  pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( uiBin );
1851  }
1852  }
1853  }
1854 
1855  //--------------------------------------------------------------------------------------------------
1856 }
1857 
1858 
1867 {
1868  //--------------------------------------------------------------------------------------------------.
1869 
1870  //set up the number of channels
1871 
1872  const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
1873  const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
1874 
1875  //--------------------------------------------------------------------------------------------------
1876 
1877  //fill the data for the last-significant-coefficient position
1878 
1879  for (UInt componentIndex = firstComponent; componentIndex <= lastComponent; componentIndex++)
1880  {
1881  const ComponentID component = ComponentID(componentIndex);
1882 
1883  Int iBitsX = 0, iBitsY = 0;
1884 
1885  Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1886  getLastSignificantContextParameters(ComponentID(component), width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1887 
1888  Int ctx;
1889 
1890  const ChannelType channelType = toChannelType(ComponentID(component));
1891 
1892  ContextModel *const pCtxX = m_cCuCtxLastX.get( 0, channelType );
1893  ContextModel *const pCtxY = m_cCuCtxLastY.get( 0, channelType );
1894  Int *const lastXBitsArray = pcEstBitsSbac->lastXBits[channelType];
1895  Int *const lastYBitsArray = pcEstBitsSbac->lastYBits[channelType];
1896 
1897  //------------------------------------------------
1898 
1899  //X-coordinate
1900 
1901  for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
1902  {
1903  Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
1904  lastXBitsArray[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
1905  iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
1906  }
1907 
1908  lastXBitsArray[ctx] = iBitsX;
1909 
1910  //------------------------------------------------
1911 
1912  //Y-coordinate
1913 
1914  for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
1915  {
1916  Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
1917  lastYBitsArray[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
1918  iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
1919  }
1920 
1921  lastYBitsArray[ctx] = iBitsY;
1922 
1923  } //end of component loop
1924 
1925  //--------------------------------------------------------------------------------------------------
1926 }
1927 
1928 
1936 {
1937  ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
1938  ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
1939 
1940  const UInt oneStartIndex = ((isLuma(chType)) ? (0) : (NUM_ONE_FLAG_CTX_LUMA));
1941  const UInt oneStopIndex = ((isLuma(chType)) ? (NUM_ONE_FLAG_CTX_LUMA) : (NUM_ONE_FLAG_CTX));
1942  const UInt absStartIndex = ((isLuma(chType)) ? (0) : (NUM_ABS_FLAG_CTX_LUMA));
1943  const UInt absStopIndex = ((isLuma(chType)) ? (NUM_ABS_FLAG_CTX_LUMA) : (NUM_ABS_FLAG_CTX));
1944 
1945  for (Int ctxIdx = oneStartIndex; ctxIdx < oneStopIndex; ctxIdx++)
1946  {
1947  pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
1948  pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
1949  }
1950 
1951  for (Int ctxIdx = absStartIndex; ctxIdx < absStopIndex; ctxIdx++)
1952  {
1953  pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
1954  pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
1955  }
1956 }
1957 
1964 {
1967 }
1968 
1970 {
1971  xCopyContextsFrom(pSrc);
1972 }
1973 
1979 {
1980  TComDataCU *cu = rTu.getCU();
1981  const TComRectangle &rect = rTu.getRect(compID);
1982  const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
1983  const UInt tuHeight = g_aucConvertToBit[rect.height];
1984  const UInt tuWidth = g_aucConvertToBit[rect.width];
1985 
1986  assert(tuHeight == tuWidth);
1987  assert(tuHeight < 4);
1988 
1989  UInt explicitRdpcmMode = cu->getExplicitRdpcmMode(compID, absPartIdx);
1990 
1991  if( explicitRdpcmMode == RDPCM_OFF )
1992  {
1994  }
1995  else if( explicitRdpcmMode == RDPCM_HOR || explicitRdpcmMode == RDPCM_VER )
1996  {
1998  if(explicitRdpcmMode == RDPCM_HOR)
1999  {
2001  }
2002  else
2003  {
2005  }
2006  }
2007  else
2008  {
2009  assert(0);
2010  }
2011 }
2012 
#define NUM_SAO_EO_TYPES_LOG2
Definition: TypeDef.h:599
Int golombRiceAdaptationStatistics[4]
Definition: TComTrQuant.h:72
ContextModel3DBuffer m_cSaoTypeIdxSCModel
Definition: TEncSbac.h:205
Bool getUseGolombRiceParameterAdaptation() const
Definition: TComSlice.h:901
Void codeQtCbfZero(TComTU &rTu, const ChannelType chType)
Definition: TEncSbac.cpp:1087
#define NUM_SAO_BO_CLASSES_LOG2
Definition: TypeDef.h:611
Int getEntropyBits(Short val)
Definition: ContextModel.h:79
Void estSignificantMapBit(estBitsSbacStruct *pcEstBitsSbac, Int width, Int height, ChannelType chType)
estimate SAMBAC bit cost for significant coefficient map
Definition: TEncSbac.cpp:1792
ContextModel3DBuffer m_explicitRdpcmFlagSCModel
Definition: TEncSbac.h:208
Void codeSplitFlag(TComDataCU *pcCU, UInt uiAbsPartIdx, UInt uiDepth)
Definition: TEncSbac.cpp:613
UInt g_uiMaxCUDepth
Definition: TComRom.cpp:253
static Int countNonZeroCoeffs(TCoeff *pcCoef, UInt uiSize)
static const UChar INIT_SAO_MERGE_FLAG[NUMBER_OF_SLICE_TYPES][1]
#define NUM_QT_ROOT_CBF_CTX
number of context models for QT ROOT CBF
Definition: ContextTables.h:70
Void codeSPS(const TComSPS *pcSPS)
Definition: TEncSbac.cpp:230
SliceType
supported slice type
Definition: TypeDef.h:343
Char * getQP()
Definition: TComDataCU.h:255
Void resetEntropy()
Definition: TEncSbac.cpp:106
#define NUM_ADI_CTX
number of context models for intra prediction
Definition: ContextTables.h:60
Int getRefIdx(Int iIdx) const
static Int getSigCtxInc(Int patternSigCtx, const TUEntropyCodingParameters &codingParameters, const Int scanPosition, const Int log2BlockWidth, const Int log2BlockHeight, const ChannelType chanType)
Bool getUseExtendedPrecision() const
Definition: TComSlice.h:887
SliceType getSliceType() const
Definition: TComSlice.h:1337
ContextModel3DBuffer m_cCUMergeFlagExtSCModel
Definition: TEncSbac.h:181
CU data structure class.
Definition: TComDataCU.h:64
static const UChar INIT_PART_SIZE[NUMBER_OF_SLICE_TYPES][4]
#define MAX_INT
max. value of signed 32-bit integer
Definition: CommonDef.h:116
ChannelType
Definition: TypeDef.h:361
Bool g_bFinalEncode
virtual Void resetBac()=0
UChar getQtRootCbf(UInt uiIdx)
Void codeCoeffNxN(TComTU &rTu, TCoeff *pcCoef, const ComponentID compID)
Definition: TEncSbac.cpp:1181
static const UChar INIT_LAST[NUMBER_OF_SLICE_TYPES][2 *15]
Int typeAuxInfo
Definition: TypeDef.h:715
Int getHor() const
Definition: TComMv.h:88
Void estSignificantCoefficientsBit(estBitsSbacStruct *pcEstBitsSbac, ChannelType chType)
estimate bit cost of significant coefficient
Definition: TEncSbac.cpp:1935
ContextModel3DBuffer m_cCUPredModeSCModel
Definition: TEncSbac.h:184
ContextModel3DBuffer m_cCURefPicSCModel
Definition: TEncSbac.h:189
Void estCBFBit(estBitsSbacStruct *pcEstBitsSbac)
estimate bit cost for each CBP bit
Definition: TEncSbac.cpp:1746
void Void
Definition: TypeDef.h:285
static const UInt significanceMapContextSetSize[MAX_NUM_CHANNEL_TYPE][CONTEXT_NUMBER_OF_TYPES]
Definition: ContextTables.h:86
Void codeSliceHeader(TComSlice *pcSlice)
Definition: TEncSbac.cpp:242
UChar * getExplicitRdpcmMode(ComponentID component)
Definition: TComDataCU.h:283
static const UChar INIT_SIG_FLAG[NUMBER_OF_SLICE_TYPES][(28+16)]
UInt getCtxSplitFlag(UInt uiAbsPartIdx, UInt uiDepth)
#define NUM_INTER_DIR_CTX
number of context models for inter prediction direction
Definition: ContextTables.h:63
#define NUM_ONE_FLAG_CTX_LUMA
number of context models for greater than 1 flag of luma
static ComponentID getFirstComponentOfChannel(const ChannelType id)
Void estSignificantCoeffGroupMapBit(estBitsSbacStruct *pcEstBitsSbac, ChannelType chType)
estimate SAMBAC bit cost for significant coefficient group map
Definition: TEncSbac.cpp:1772
UInt g_auiRasterToPelX[((1<<(6))/4)*((1<<(6))/4)]
Definition: TComRom.cpp:257
SliceType determineCabacInitIdx()
Definition: TEncSbac.cpp:163
#define NUM_CHROMA_MODE
Definition: TypeDef.h:184
Void codeSaoTypeIdx(UInt uiCode)
Definition: TEncSbac.cpp:1589
#define NULL
Definition: CommonDef.h:100
Int typeIdc
Definition: TypeDef.h:714
Bool isSkipped(UInt uiPartIdx)
returns true, if the partiton is skipped
Int blockCbpBits[2 *5][2]
Definition: TComTrQuant.h:69
#define NUM_MERGE_FLAG_EXT_CTX
number of context models for merge flag of merge extended
Definition: ContextTables.h:54
#define NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX
Int offset[32]
Definition: TypeDef.h:716
Bool getCabacInitPresentFlag() const
Definition: TComSlice.h:1147
ChromaFormat GetChromaFormat() const
Definition: TComTU.h:124
#define NUM_MVP_IDX_CTX
number of context models for MVP index
Char g_aucConvertToBit[(1<<(6))+1]
Definition: TComRom.cpp:558
unsigned int UInt
Definition: TypeDef.h:297
TEncBinIf * m_pcBinIf
Definition: TEncSbac.h:125
#define C1FLAG_NUMBER
Definition: TypeDef.h:119
UInt getNumPartitionsInCtu() const
Definition: TComPic.h:119
Bool getMvdL1ZeroFlag() const
Definition: TComSlice.h:1364
ContextModel3DBuffer m_cCUInterDirSCModel
Definition: TEncSbac.h:188
Bool isRDPCMEnabled(UInt uiAbsPartIdx)
Definition: TComDataCU.h:287
#define VER_IDX
Definition: TypeDef.h:181
Void codeSkipFlag(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:543
#define NUM_CTX_LAST_FLAG_XY
number of context models for last coefficient position
Short Pel
pixel type
Definition: TypeDef.h:692
static UInt getChromasCorrespondingPULumaIdx(const UInt lumaZOrderIdxInCtu, const ChromaFormat chFmt)
#define NUM_SAO_TYPE_IDX_CTX
number of context models for SAO type index
#define NUM_PRED_MODE_CTX
number of context models for prediction mode
Definition: ContextTables.h:58
Void codeSAOSign(UInt uiCode)
Definition: TEncSbac.cpp:1540
Int blockRootCbpBits[4][2]
Definition: TComTrQuant.h:70
symmetric motion partition, 2Nx N
Definition: TypeDef.h:396
static const UChar INIT_CHROMA_QP_ADJ_FLAG[NUMBER_OF_SLICE_TYPES][1]
UInt g_uiAddCUDepth
Definition: TComRom.cpp:254
#define NUM_ONE_FLAG_CTX
number of context models for greater than 1 flag
UInt GetTransformDepthRel() const
Definition: TComTU.h:108
Int getNumberValidComponents() const
Definition: TComPic.h:129
#define NUM_SKIP_FLAG_CTX
number of context models for skip flag
Definition: ContextTables.h:52
ContextModel3DBuffer m_cCUChromaPredSCModel
Definition: TEncSbac.h:186
Void codeSaoMaxUvlc(UInt code, UInt maxSymbol)
Definition: TEncSbac.cpp:1545
ContextModel3DBuffer m_cCuCtxLastX
Definition: TEncSbac.h:197
TComMv const & getMvd(Int iIdx) const
UChar * getMergeIndex()
Definition: TComDataCU.h:326
Void codeLastSignificantXY(UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx)
Definition: TEncSbac.cpp:1115
static const UChar INIT_ABS_FLAG[NUMBER_OF_SLICE_TYPES][((1 *4)+(1 *2))]
UInt64 g_nSymbolCounter
Definition: TComRom.cpp:566
static const UChar INIT_INTER_DIR[NUMBER_OF_SLICE_TYPES][5]
UChar * getInterDir()
Definition: TComDataCU.h:346
static const UChar INIT_QT_ROOT_CBF[NUMBER_OF_SLICE_TYPES][1]
Int getNumRefIdx(RefPicList e) const
Definition: TComSlice.h:1353
Void codeVPS(const TComVPS *pcVPS)
Definition: TEncSbac.cpp:224
#define NUM_SAO_MERGE_FLAG_CTX
number of context models for SAO merge flags
virtual Void encodeBinTrm(UInt uiBin)=0
UInt getMinCUWidth() const
Definition: TComPic.h:122
ContextModel3DBuffer m_cCUDeltaQpSCModel
Definition: TEncSbac.h:187
const UInt g_uiGroupIdx[32]
Definition: TComRom.cpp:584
UChar getCbf(UInt uiIdx, ComponentID eType)
Definition: TComDataCU.h:303
UInt getCtxQtCbf(TComTU &rTu, const ChannelType chType)
#define RExt__GOLOMB_RICE_INCREMENT_DIVISOR
Definition: TypeDef.h:248
#define NUM_MV_RES_CTX
number of context models for motion vector difference
Definition: ContextTables.h:64
UInt getMaxTrSize() const
Definition: TComSlice.h:879
static UInt getSigCoeffGroupCtxInc(const UInt *uiSigCoeffGroupFlag, const UInt uiCGPosX, const UInt uiCGPosY, const UInt widthInGroups, const UInt heightInGroups)
Int m_greaterOneBits[((4 *4)+(4 *2))][2]
Definition: TComTrQuant.h:66
Void codePPS(const TComPPS *pcPPS)
Definition: TEncSbac.cpp:236
Void codeCrossComponentPrediction(TComTU &rTu, ComponentID compID)
Definition: TEncSbac.cpp:833
UInt GetAbsPartIdxTU() const
Definition: TComTU.h:119
#define AMVP_MAX_NUM_CANDS
max number of final candidates
Definition: CommonDef.h:183
const UInt * scanCG
Definition: TypeDef.h:753
static const UChar INIT_CHROMA_PRED_MODE[NUMBER_OF_SLICE_TYPES][2]
static const UChar INIT_MERGE_FLAG_EXT[NUMBER_OF_SLICE_TYPES][1]
#define NUM_ONE_FLAG_CTX_PER_SET
number of context models for greater than 1 flag in a set
class for motion information in one CU
virtual ~TEncSbac()
Definition: TEncSbac.cpp:98
Int significantBits[(28+16)][2]
Definition: TComTrQuant.h:63
ContextModel3DBuffer m_cCUAbsSCModel
Definition: TEncSbac.h:200
PartSize
supported partition shape
Definition: TypeDef.h:393
static const UChar INIT_TRANSFORMSKIP_FLAG[NUMBER_OF_SLICE_TYPES][2 *1]
ContextModel3DBuffer m_cCUOneSCModel
Definition: TEncSbac.h:199
Void loadContexts(const TEncSbac *pSrc)
Definition: TEncSbac.cpp:1969
Bool * getIPCMFlag()
Definition: TComDataCU.h:350
Void codeIntraDirChroma(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:698
const UChar g_chroma422IntraAngleMappingTable[36]
Definition: TComRom.cpp:540
static const UChar INIT_SKIP_FLAG[NUMBER_OF_SLICE_TYPES][3]
ContextModel3DBuffer m_cCUQtCbfSCModel
Definition: TEncSbac.h:191
context model class
Definition: ContextModel.h:57
ContextModel3DBuffer m_cCUSigSCModel
Definition: TEncSbac.h:196
#define MAX_UINT
max. value of unsigned 32-bit integer
Definition: CommonDef.h:115
UChar * getIntraDir(const ChannelType channelType) const
Definition: TComDataCU.h:338
static const UChar INIT_QT_CBF[NUMBER_OF_SLICE_TYPES][2 *5]
#define DTRACE_CABAC_T(x)
Definition: TComRom.h:197
#define CU_DQP_EG_k
expgolomb order
Definition: TypeDef.h:113
#define NUM_SIG_CG_FLAG_CTX
number of context models for MULTI_LEVEL_SIGNIFICANCE
Definition: ContextTables.h:73
UInt getGolombRiceStatisticsIndex(const ComponentID compID)
Definition: TComTU.cpp:245
#define NUM_ABS_FLAG_CTX_LUMA
number of context models for greater than 2 flag of luma
UInt getMaxNumMergeCand() const
Definition: TComSlice.h:1451
ContextModel3DBuffer m_cCUSkipFlagSCModel
Definition: TEncSbac.h:180
#define NUM_SAO_BO_CLASSES
Definition: TypeDef.h:612
ContextModel3DBuffer m_cCUTransSubdivFlagSCModel
Definition: TEncSbac.h:192
symmetric motion partition, 2Nx2N
Definition: TypeDef.h:395
Void codeIPCMInfo(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:1034
Void codeMergeFlag(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:563
Int getQpBDOffset(ChannelType type) const
Definition: TComSlice.h:885
bool Bool
Definition: TypeDef.h:286
Bool getUseTransformSkip() const
Definition: TComSlice.h:1118
static const UChar INIT_PRED_MODE[NUMBER_OF_SLICE_TYPES][1]
Bool isIntra(UInt uiPartIdx) const
Definition: TComDataCU.h:443
ContextModel3DBuffer m_cCUPartSizeSCModel
Definition: TEncSbac.h:183
Int g_maxTrDynamicRange[MAX_NUM_CHANNEL_TYPE]
Definition: TComRom.cpp:325
static const UChar INIT_CHROMA_QP_ADJ_IDC[NUMBER_OF_SLICE_TYPES][1]
Void xCopyContextsFrom(const TEncSbac *pSrc)
Definition: TEncSbac.cpp:1963
Void xCopyFrom(const TEncSbac *pSrc)
Definition: TEncSbac.cpp:422
#define NUM_CHROMA_PRED_CTX
number of context models for intra prediction (chroma)
Definition: ContextTables.h:62
virtual Void xWritePCMCode(UInt uiCode, UInt uiLength)=0
Void xWriteUnarySymbol(UInt uiSymbol, ContextModel *pcSCModel, Int iOffset)
Definition: TEncSbac.cpp:264
#define MLS_CG_LOG2_HEIGHT
Definition: TypeDef.h:145
ContextModel3DBuffer m_cCUQtRootCbfSCModel
Definition: TEncSbac.h:193
UInt getTransformSkipLog2MaxSize() const
Definition: TComSlice.h:1120
static const UChar INIT_EXPLICIT_RDPCM_FLAG[NUMBER_OF_SLICE_TYPES][2 *1]
Int m_numContextModels
Definition: TEncSbac.h:178
UInt getMinCUHeight() const
Definition: TComPic.h:123
PPS class.
Definition: TComSlice.h:977
Void codeQtCbf(TComTU &rTu, const ComponentID compID, const Bool lowestLevel)
Definition: TEncSbac.cpp:920
asymmetric motion partition, 2Nx( N/2) + 2Nx(3N/2)
Definition: TypeDef.h:399
Char getRefQP(UInt uiCurrAbsIdxInCtu)
static const UChar INIT_TRANS_SUBDIV_FLAG[NUMBER_OF_SLICE_TYPES][3]
Void codeExplicitRdpcmMode(TComTU &rTu, const ComponentID compID)
Definition: TEncSbac.cpp:1978
asymmetric motion partition, (3N/2)x2N + ( N/2)x2N
Definition: TypeDef.h:402
UInt getCtxInterDir(UInt uiAbsPartIdx)
#define NUM_REF_NO_CTX
number of context models for reference index
Definition: ContextTables.h:68
#define COEF_REMAIN_BIN_REDUCTION
transitions from Golomb-Rice to TU+EG(k)
Definition: TypeDef.h:109
#define MIN_TU_SIZE
Definition: TComRom.h:56
UInt & getCtuRsAddr()
Definition: TComDataCU.h:207
Void getAllowedChromaDir(UInt uiAbsPartIdx, UInt *uiModeList)
Void load(const TEncSbac *pSrc)
Definition: TEncSbac.cpp:397
static const UChar INIT_SPLIT_FLAG[NUMBER_OF_SLICE_TYPES][3]
#define NUM_DELTA_QP_CTX
number of context models for dQP
Definition: ContextTables.h:71
Void getTUEntropyCodingParameters(TUEntropyCodingParameters &result, TComTU &rTu, const ComponentID component)
static const UChar INIT_DQP[NUMBER_OF_SLICE_TYPES][3]
UInt calcCost(SliceType sliceType, Int qp, UChar *ctxModel)
determine cost of choosing a probability table based on current probabilities
UInt getCUPelY() const
Definition: TComDataCU.h:211
static ChannelType toChannelType(const ComponentID id)
Void loadIntraDirMode(const TEncSbac *pScr, const ChannelType chType)
Definition: TEncSbac.cpp:402
Void codeTransformSubdivFlag(UInt uiSymbol, UInt uiCtx)
Definition: TEncSbac.cpp:630
Void codeQtRootCbfZero(TComDataCU *pcCU)
Definition: TEncSbac.cpp:1097
#define NUM_EXPLICIT_RDPCM_FLAG_CTX
number of context models for the flag which specifies whether to use RDPCM on inter coded residues ...
Definition: ContextTables.h:74
static const UChar INIT_CROSS_COMPONENT_PREDICTION[NUMBER_OF_SLICE_TYPES][10]
ContextModel3DBuffer m_ChromaQpAdjFlagSCModel
Definition: TEncSbac.h:212
virtual Void copyState(const TEncBinIf *pcTEncBinIf)=0
Int TCoeff
transform coefficient
Definition: TypeDef.h:693
#define NUM_EXPLICIT_RDPCM_DIR_CTX
number of context models for the flag which specifies which RDPCM direction is used on inter coded re...
Definition: ContextTables.h:75
UInt g_auiZscanToRaster[((1<<(6))/4)*((1<<(6))/4)]
Definition: TComRom.cpp:255
SAOMode modeIdc
Definition: TypeDef.h:713
Int getComponentScaleX(const ComponentID id) const
Definition: TComPic.h:126
RefPicList
reference list index
Definition: TypeDef.h:415
Void xWriteEpExGolomb(UInt uiSymbol, UInt uiCount)
Definition: TEncSbac.cpp:309
UInt getCtxSkipFlag(UInt uiAbsPartIdx)
Void codeTransformSkipFlags(TComTU &rTu, ComponentID component)
Definition: TEncSbac.cpp:997
virtual Void start()=0
static const UChar INIT_SIG_CG_FLAG[NUMBER_OF_SLICE_TYPES][2 *2]
ContextModel3DBuffer m_cMVPIdxSCModel
Definition: TEncSbac.h:202
unsigned char UChar
Definition: TypeDef.h:293
const TComRectangle & getRect(const ComponentID compID) const
Definition: TComTU.h:96
Char * getCrossComponentPredictionAlpha(ComponentID compID)
Definition: TComDataCU.h:239
Void codeSaoMerge(UInt uiCode)
Definition: TEncSbac.cpp:1582
ContextModel & get(UInt uiZ, UInt uiY, UInt uiX)
UInt g_auiRasterToPelY[((1<<(6))/4)*((1<<(6))/4)]
Definition: TComRom.cpp:258
UChar * getDepth()
Definition: TComDataCU.h:213
virtual Void align()=0
Void codeMvd(TComDataCU *pcCU, UInt uiAbsPartIdx, RefPicList eRefList)
Definition: TEncSbac.cpp:779
const TComPPS * getPPS() const
Definition: TComSlice.h:1309
static const UInt significanceMapContextSetStart[MAX_NUM_CHANNEL_TYPE][CONTEXT_NUMBER_OF_TYPES]
Definition: ContextTables.h:85
#define NUM_QT_CBF_CTX_PER_SET
number of context models for QT CBF
Void codeTilesWPPEntryPoint(TComSlice *pSlice)
Definition: TEncSbac.cpp:248
Int getChromaQpAdjTableSize() const
Definition: TComSlice.h:1081
UInt getCUPelX() const
Definition: TComDataCU.h:210
#define DTRACE_CABAC_V(x)
Definition: TComRom.h:195
static const UChar INIT_MERGE_IDX_EXT[NUMBER_OF_SLICE_TYPES][1]
#define MLS_GRP_NUM
G644 : Max number of coefficient groups, max(16, 64)
Definition: TypeDef.h:143
static const UChar INIT_MVD[NUMBER_OF_SLICE_TYPES][2]
Int getVer() const
Definition: TComMv.h:89
Void codeDeltaQP(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:879
UChar * getTransformSkip(ComponentID compID)
Definition: TComDataCU.h:278
ContextModel3DBuffer m_cCrossComponentPredictionSCModel
Definition: TEncSbac.h:210
#define SBH_THRESHOLD
I0156: value of the fixed SBH controlling threshold.
Definition: TypeDef.h:115
Void codePartSize(TComDataCU *pcCU, UInt uiAbsPartIdx, UInt uiDepth)
Definition: TEncSbac.cpp:436
ContextModel3DBuffer m_cCUIntraPredSCModel
Definition: TEncSbac.h:185
Void codeCUTransquantBypassFlag(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:532
Bool isIntra() const
Definition: TComSlice.h:1404
TComDataCU * getCU()
Definition: TComTU.h:126
ContextModel3DBuffer m_cTransformSkipSCModel
Definition: TEncSbac.h:206
Void estBit(estBitsSbacStruct *pcEstBitsSbac, Int width, Int height, ChannelType chType)
estimate bit cost for CBP, significant map and significant coefficients
Definition: TEncSbac.cpp:1722
reference list 1
Definition: TypeDef.h:418
UChar * getHeight()
Definition: TComDataCU.h:249
Void codeSAOOffsetParam(ComponentID compIdx, SAOOffset &ctbParam, Bool sliceEnabled)
Definition: TEncSbac.cpp:1602
Bool getAlignCABACBeforeBypass() const
Definition: TComSlice.h:904
Void codePredMode(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:526
#define NUM_CTX_LAST_FLAG_SETS
#define DM_CHROMA_IDX
Definition: TypeDef.h:185
#define HOR_IDX
Definition: TypeDef.h:182
encoder class (header)
COEFF_SCAN_TYPE scanType
Definition: TypeDef.h:754
virtual Void encodeBinEP(UInt uiBin)=0
Int lastYBits[MAX_NUM_CHANNEL_TYPE][10]
Definition: TComTrQuant.h:65
Bool * getCUTransquantBypass()
Definition: TComDataCU.h:242
ContextModel m_contextModels[512]
Definition: TEncSbac.h:177
#define NUM_ABS_FLAG_CTX
number of context models for greater than 2 flag
static Bool TUCompRectHasAssociatedTransformSkipFlag(const TComRectangle &rectSamples, const UInt transformSkipLog2MaxSize)
asymmetric motion partition, ( N/2)x2N + (3N/2)x2N
Definition: TypeDef.h:401
virtual Void encodeBin(UInt uiBin, ContextModel &rcCtxModel)=0
Context-adaptive entropy encoder class (header)
UInt GetAbsPartIdxNumParts() const
Definition: TComTU.h:121
static const UChar INIT_ONE_FLAG[NUMBER_OF_SLICE_TYPES][((4 *4)+(4 *2))]
TComPic * getPic()
Definition: TComDataCU.h:203
ContextModel3DBuffer m_cCUSplitFlagSCModel
Definition: TEncSbac.h:179
ContextModel3DBuffer m_ChromaQpAdjIdcSCModel
Definition: TEncSbac.h:213
ContextModel3DBuffer m_cCUSigCoeffGroupSCModel
Definition: TEncSbac.h:195
Int getMVPIdx(RefPicList eRefPicList, UInt uiIdx)
Definition: TComDataCU.h:374
Definition: TComTU.h:48
#define NUM_TRANS_SUBDIV_FLAG_CTX
number of context models for transform subdivision flags
Definition: ContextTables.h:69
Void codeTerminatingBit(UInt uilsLast)
Definition: TEncSbac.cpp:254
TComSlice * m_pcSlice
Definition: TEncSbac.h:124
static const UChar INIT_SAO_TYPE_IDX[NUMBER_OF_SLICE_TYPES][1]
Void codeSAOBlkParam(SAOBlkParam &saoBlkParam, Bool *sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo=false)
Definition: TEncSbac.cpp:1679
#define NUM_CROSS_COMPONENT_PREDICTION_CTX
#define NUM_CHROMA_QP_ADJ_IDC_CTX
number of context models for chroma_qp_adjustment_idc
Definition: ContextTables.h:66
Char * getPartitionSize()
Definition: TComDataCU.h:223
Void getIntraDirPredictor(UInt uiAbsPartIdx, Int uiIntraDirPred[NUM_MOST_PROBABLE_MODES], const ComponentID compID, Int *piMode=0)
Void codeMergeIndex(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:583
static const UChar INIT_REF_PIC[NUMBER_OF_SLICE_TYPES][2]
#define NUM_TRANSFORMSKIP_FLAG_CTX
number of context models for transform skipping
#define DTRACE_CABAC_VL(x)
Definition: TComRom.h:196
Char * getPredictionMode()
Definition: TComDataCU.h:234
SliceType getEncCABACTableIdx() const
Definition: TComSlice.h:1525
Bool getUseAMP() const
Definition: TComSlice.h:858
static Int calcPatternSigCtx(const UInt *sigCoeffGroupFlag, UInt uiCGPosX, UInt uiCGPosY, UInt widthInGroups, UInt heightInGroups)
Int significantCoeffGroupBits[2][2]
Definition: TComTrQuant.h:62
static UInt getSignificanceMapContextOffset(const ComponentID component)
virtual Void encodeBinsEP(UInt uiBins, Int numBins)=0
Void store(TEncSbac *pDest) const
Definition: TEncSbac.cpp:416
Void codeSliceFinish()
Definition: TEncSbac.cpp:259
Void codeMVPIdx(TComDataCU *pcCU, UInt uiAbsPartIdx, RefPicList eRefList)
Definition: TEncSbac.cpp:428
ContextModel3DBuffer m_cSaoMergeSCModel
Definition: TEncSbac.h:204
virtual Void encodePCMAlignBits()=0
UInt m_golombRiceAdaptationStatistics[4]
Definition: TEncSbac.h:215
ContextModel3DBuffer m_explicitRdpcmDirSCModel
Definition: TEncSbac.h:209
TComCUMvField * getCUMvField(RefPicList e)
Definition: TComDataCU.h:294
UChar * getWidth()
Definition: TComDataCU.h:245
static const UChar INIT_CU_TRANSQUANT_BYPASS_FLAG[NUMBER_OF_SLICE_TYPES][1]
#define MAX_NUM_CTX_MOD
maximum number of supported contexts
Definition: ContextTables.h:49
static Void getLastSignificantContextParameters(const ComponentID component, const Int width, const Int height, Int &result_offsetX, Int &result_offsetY, Int &result_shiftX, Int &result_shiftY)
int Int
Definition: TypeDef.h:296
static const UChar INIT_INTRA_PRED_MODE[NUMBER_OF_SLICE_TYPES][1]
Int m_levelAbsBits[((1 *4)+(1 *2))][2]
Definition: TComTrQuant.h:67
UInt getPCMBitDepth(ChannelType type) const
Definition: TComSlice.h:915
ContextModel3DBuffer m_cCUMvdSCModel
Definition: TEncSbac.h:190
Int lastXBits[MAX_NUM_CHANNEL_TYPE][10]
Definition: TComTrQuant.h:64
Int getComponentScaleY(const ComponentID id) const
Definition: TComPic.h:127
Void codeChromaQpAdjustment(TComDataCU *cu, UInt absPartIdx)
Definition: TEncSbac.cpp:906
ComponentID
Definition: TypeDef.h:368
static const UChar INIT_MVP_IDX[NUMBER_OF_SLICE_TYPES][1]
Bool * getMergeFlag()
Definition: TComDataCU.h:321
Int getSliceQp() const
Definition: TComSlice.h:1339
Void estLastSignificantPositionBit(estBitsSbacStruct *pcEstBitsSbac, Int width, Int height, ChannelType chType)
estimate bit cost of significant coefficient
Definition: TEncSbac.cpp:1866
Void printSBACCoeffData(const UInt lastX, const UInt lastY, const UInt width, const UInt height, const UInt chan, const UInt absPart, const UInt scanIdx, const TCoeff *const pCoeff, const Bool finalEncode)
Definition: Debug.cpp:207
virtual Void finish()=0
TEncSbac()
Definition: TEncSbac.cpp:57
Bool getSignHideFlag() const
Definition: TComSlice.h:1144
#define MLS_CG_SIZE
G644 : Coefficient group size of 4x4.
Definition: TypeDef.h:146
Bool getUseCrossComponentPrediction() const
Definition: TComSlice.h:1107
Void codeSaoUflc(UInt uiLength, UInt uiCode)
Definition: TEncSbac.cpp:1575
asymmetric motion partition, 2Nx(3N/2) + 2Nx( N/2)
Definition: TypeDef.h:400
Void codeRefFrmIdx(TComDataCU *pcCU, UInt uiAbsPartIdx, RefPicList eRefList)
Definition: TEncSbac.cpp:748
#define NUM_QT_CBF_CTX_SETS
const UInt g_uiMinInGroup[10]
Definition: TComRom.cpp:583
symmetric motion partition, Nx N
Definition: TypeDef.h:398
Pel * getPCMSample(ComponentID component)
Definition: TComDataCU.h:301
#define NUM_CHROMA_QP_ADJ_FLAG_CTX
number of context models for chroma_qp_adjustment_flag
Definition: ContextTables.h:65
#define NUM_PART_SIZE_CTX
number of context models for partition size
Definition: ContextTables.h:57
SBAC encoder class.
Definition: TEncSbac.h:66
static UInt getContextSetIndex(const ComponentID component, const UInt subsetIndex, const Bool foundACoefficientGreaterThan1)
Void codeInterDir(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:729
vertical first scan
Definition: TypeDef.h:525
slice header class
Definition: TComSlice.h:1198
#define CU_DQP_TU_CMAX
max number bins for truncated unary
Definition: TypeDef.h:112
UInt g_saoMaxOffsetQVal[MAX_NUM_COMPONENT]
Void codeIntraDirLumaAng(TComDataCU *pcCU, UInt absPartIdx, Bool isMultiple)
Definition: TEncSbac.cpp:643
#define RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS
Definition: TypeDef.h:247
static const UInt NUM_MOST_PROBABLE_MODES
Definition: TComDataCU.h:57
ContextModel3DBuffer m_cCuCtxLastY
Definition: TEncSbac.h:198
#define NUM_MERGE_IDX_EXT_CTX
number of context models for merge index of merge extended
Definition: ContextTables.h:55
Void copyFrom(const ContextModel3DBuffer *src)
UChar * getChromaQpAdj()
array of chroma QP adjustments (indexed). when value = 0, cu_chroma_qp_offset_flag=0; when value>0...
Definition: TComDataCU.h:265
Void xWriteUnaryMaxSymbol(UInt uiSymbol, ContextModel *pcSCModel, Int iOffset, UInt uiMaxSymbol)
Definition: TEncSbac.cpp:281
#define NUM_ABS_FLAG_CTX_PER_SET
number of context models for greater than 2 flag in a set
#define NUM_SIG_FLAG_CTX
number of context models for sig flag
ContextModel3DBuffer m_cCUMergeIdxExtSCModel
Definition: TEncSbac.h:182
symmetric motion partition, Nx2N
Definition: TypeDef.h:397
Void xWriteCoefRemainExGolomb(UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const ChannelType channelType)
Definition: TEncSbac.cpp:338
ContextModel3DBuffer m_CUTransquantBypassFlagSCModel
Definition: TEncSbac.h:207
Void initBuffer(SliceType eSliceType, Int iQp, UChar *ctxModel)
initialize 3D buffer by slice type & QP
static Bool isLuma(const ComponentID id)
static const UChar INIT_EXPLICIT_RDPCM_DIR[NUMBER_OF_SLICE_TYPES][2 *1]
#define NUM_SPLIT_FLAG_CTX
number of context models for split flag
Definition: ContextTables.h:51
UInt GetTransformDepthTotal() const
Definition: TComTU.h:105
TComSlice * getSlice()
Definition: TComDataCU.h:205
const TComSPS * getSPS() const
Definition: TComSlice.h:1306
SPS class.
Definition: TComSlice.h:722
Void codeQtRootCbf(TComDataCU *pcCU, UInt uiAbsPartIdx)
Definition: TEncSbac.cpp:1071
#define MLS_CG_LOG2_WIDTH
Definition: TypeDef.h:144