source: SHVCSoftware/branches/SHM-3.1-dev/source/Lib/TLibDecoder/TDecTop.cpp @ 405

Last change on this file since 405 was 405, checked in by ericsson, 11 years ago

Scalability mask modification JCT3V-E0104 (Ericsson, A. Norkin)

  • Property svn:eol-style set to native
File size: 54.8 KB
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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, ITU/ISO/IEC
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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
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32 */
33
34/** \file     TDecTop.cpp
35    \brief    decoder class
36*/
37
38#include "NALread.h"
39#include "TDecTop.h"
40
41#if SVC_EXTENSION
42UInt  TDecTop::m_prevPOC = MAX_UINT;
43UInt  TDecTop::m_uiPrevLayerId = MAX_UINT;
44Bool  TDecTop::m_bFirstSliceInSequence = true;
45#endif
46
47//! \ingroup TLibDecoder
48//! \{
49
50TDecTop::TDecTop()
51{
52  m_pcPic = 0;
53  m_iMaxRefPicNum = 0;
54#if ENC_DEC_TRACE
55  g_hTrace = fopen( "TraceDec.txt", "wb" );
56  g_bJustDoIt = g_bEncDecTraceDisable;
57  g_nSymbolCounter = 0;
58#endif
59  m_pocCRA = 0;
60  m_prevRAPisBLA = false;
61  m_pocRandomAccess = MAX_INT;         
62#if !SVC_EXTENSION
63  m_prevPOC                = MAX_INT;
64#endif
65  m_bFirstSliceInPicture    = true;
66#if !SVC_EXTENSION
67  m_bFirstSliceInSequence   = true;
68#endif
69#if SVC_EXTENSION
70  m_layerId = 0;
71#if AVC_BASE
72  m_pBLReconFile = NULL;
73#endif
74  memset(m_cIlpPic, 0, sizeof(m_cIlpPic));
75#endif
76#if AVC_SYNTAX || SYNTAX_OUTPUT
77  m_pBLSyntaxFile = NULL;
78#endif
79#if HM12_RANDOM_ACCESS
80  m_prevSliceSkipped = false;
81  m_skippedPOC = 0;
82#endif
83}
84
85TDecTop::~TDecTop()
86{
87#if ENC_DEC_TRACE
88  fclose( g_hTrace );
89#endif
90}
91
92Void TDecTop::create()
93{
94#if SVC_EXTENSION
95  m_cGopDecoder.create( m_layerId );
96#else
97  m_cGopDecoder.create();
98#endif
99  m_apcSlicePilot = new TComSlice;
100  m_uiSliceIdx = 0;
101}
102
103Void TDecTop::destroy()
104{
105  m_cGopDecoder.destroy();
106 
107  delete m_apcSlicePilot;
108  m_apcSlicePilot = NULL;
109 
110  m_cSliceDecoder.destroy();
111#if SVC_EXTENSION
112  for(Int i=0; i<MAX_NUM_REF; i++)
113  {
114    if(m_cIlpPic[i])
115    {
116      m_cIlpPic[i]->destroy();
117      delete m_cIlpPic[i];
118      m_cIlpPic[i] = NULL;
119    }
120  }   
121#endif
122}
123
124Void TDecTop::init()
125{
126#if !SVC_EXTENSION
127  // initialize ROM
128  initROM();
129#endif
130#if SVC_EXTENSION
131  m_cGopDecoder.init( m_ppcTDecTop, &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO);
132  m_cSliceDecoder.init( m_ppcTDecTop, &m_cEntropyDecoder, &m_cCuDecoder );
133#else
134  m_cGopDecoder.init( &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO);
135  m_cSliceDecoder.init( &m_cEntropyDecoder, &m_cCuDecoder );
136#endif
137  m_cEntropyDecoder.init(&m_cPrediction);
138}
139
140#if SVC_EXTENSION
141#if !REPN_FORMAT_IN_VPS
142Void TDecTop::xInitILRP(TComSPS *pcSPS)
143#else
144Void TDecTop::xInitILRP(TComSlice *slice)
145#endif
146{
147#if REPN_FORMAT_IN_VPS
148  TComSPS* pcSPS = slice->getSPS();
149  Int bitDepthY   = slice->getBitDepthY();
150  Int bitDepthC   = slice->getBitDepthC();
151  Int picWidth    = slice->getPicWidthInLumaSamples();
152  Int picHeight   = slice->getPicHeightInLumaSamples();
153#endif
154  if(m_layerId>0)
155  {
156#if REPN_FORMAT_IN_VPS
157    g_bitDepthY     = bitDepthY;
158    g_bitDepthC     = bitDepthC;
159#else
160    g_bitDepthY     = pcSPS->getBitDepthY();
161    g_bitDepthC     = pcSPS->getBitDepthC();
162#endif
163    g_uiMaxCUWidth  = pcSPS->getMaxCUWidth();
164    g_uiMaxCUHeight = pcSPS->getMaxCUHeight();
165    g_uiMaxCUDepth  = pcSPS->getMaxCUDepth();
166    g_uiAddCUDepth  = max (0, pcSPS->getLog2MinCodingBlockSize() - (Int)pcSPS->getQuadtreeTULog2MinSize() );
167
168    Int  numReorderPics[MAX_TLAYER];
169    Window &conformanceWindow = pcSPS->getConformanceWindow();
170    Window defaultDisplayWindow = pcSPS->getVuiParametersPresentFlag() ? pcSPS->getVuiParameters()->getDefaultDisplayWindow() : Window();
171
172    for( Int temporalLayer=0; temporalLayer < MAX_TLAYER; temporalLayer++) 
173    {
174      numReorderPics[temporalLayer] = pcSPS->getNumReorderPics(temporalLayer);
175    }
176
177    if (m_cIlpPic[0] == NULL)
178    {
179      for (Int j=0; j < MAX_LAYERS /*MAX_NUM_REF*/; j++)  // consider to set to NumDirectRefLayers[LayerIdInVps[nuh_layer_id]]
180      {
181
182        m_cIlpPic[j] = new  TComPic;
183#if REPN_FORMAT_IN_VPS
184#if SVC_UPSAMPLING
185        m_cIlpPic[j]->create(picWidth, picHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, pcSPS, true);
186#else
187        m_cIlpPic[j]->create(picWidth, picHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
188#endif
189#else
190#if SVC_UPSAMPLING
191        m_cIlpPic[j]->create(pcSPS->getPicWidthInLumaSamples(), pcSPS->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, pcSPS, true);
192#else
193        m_cIlpPic[j]->create(pcSPS->getPicWidthInLumaSamples(), pcSPS->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
194#endif
195#endif
196        for (Int i=0; i<m_cIlpPic[j]->getPicSym()->getNumberOfCUsInFrame(); i++)
197        {
198          m_cIlpPic[j]->getPicSym()->getCU(i)->initCU(m_cIlpPic[j], i);
199        }
200      }
201    }
202  }
203}
204
205
206
207Void TDecTop::setILRPic(TComPic *pcPic)
208{
209  for( Int i = 0; i < pcPic->getSlice(0)->getActiveNumILRRefIdx(); i++ )
210  {
211    Int refLayerIdc = pcPic->getSlice(0)->getInterLayerPredLayerIdc(i);
212
213    if(m_cIlpPic[refLayerIdc])
214    {
215      m_cIlpPic[refLayerIdc]->copyUpsampledPictureYuv(pcPic->getFullPelBaseRec(refLayerIdc), m_cIlpPic[refLayerIdc]->getPicYuvRec());
216      m_cIlpPic[refLayerIdc]->getSlice(0)->setPOC(pcPic->getPOC());
217      m_cIlpPic[refLayerIdc]->setLayerId(pcPic->getSlice(0)->getBaseColPic(refLayerIdc)->getLayerId()); //set reference layerId
218      m_cIlpPic[refLayerIdc]->getPicYuvRec()->setBorderExtension(false);
219      m_cIlpPic[refLayerIdc]->getPicYuvRec()->extendPicBorder();
220      for (Int j=0; j<m_cIlpPic[refLayerIdc]->getPicSym()->getNumberOfCUsInFrame(); j++)  // set reference CU layerId
221      {
222        m_cIlpPic[refLayerIdc]->getPicSym()->getCU(j)->setLayerId(m_cIlpPic[refLayerIdc]->getLayerId());
223      }
224    }
225  }
226}
227#endif
228
229Void TDecTop::deletePicBuffer ( )
230{
231  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
232  Int iSize = Int( m_cListPic.size() );
233 
234  for (Int i = 0; i < iSize; i++ )
235  {
236    TComPic* pcPic = *(iterPic++);
237#if SVC_EXTENSION
238    if( pcPic )
239    {
240      pcPic->destroy();
241
242      delete pcPic;
243      pcPic = NULL;
244    }
245#else
246    pcPic->destroy();
247   
248    delete pcPic;
249    pcPic = NULL;
250#endif
251  }
252 
253  m_cSAO.destroy();
254 
255  m_cLoopFilter.        destroy();
256 
257#if !SVC_EXTENSION
258  // destroy ROM
259  destroyROM();
260#endif
261}
262
263Void TDecTop::xGetNewPicBuffer ( TComSlice* pcSlice, TComPic*& rpcPic )
264{
265  Int  numReorderPics[MAX_TLAYER];
266  Window &conformanceWindow = pcSlice->getSPS()->getConformanceWindow();
267  Window defaultDisplayWindow = pcSlice->getSPS()->getVuiParametersPresentFlag() ? pcSlice->getSPS()->getVuiParameters()->getDefaultDisplayWindow() : Window();
268
269  for( Int temporalLayer=0; temporalLayer < MAX_TLAYER; temporalLayer++) 
270  {
271    numReorderPics[temporalLayer] = pcSlice->getSPS()->getNumReorderPics(temporalLayer);
272  }
273
274  m_iMaxRefPicNum = pcSlice->getSPS()->getMaxDecPicBuffering(pcSlice->getTLayer());     // m_uiMaxDecPicBuffering has the space for the picture currently being decoded
275
276#if SVC_EXTENSION
277  m_iMaxRefPicNum += 1; // it should be updated if more than 1 resampling picture is used
278#endif
279
280  if (m_cListPic.size() < (UInt)m_iMaxRefPicNum)
281  {
282    rpcPic = new TComPic();
283
284#if SVC_EXTENSION //Temporal solution, should be modified
285    if(m_layerId > 0)
286    {
287      for(UInt i = 0; i < pcSlice->getVPS()->getNumDirectRefLayers( m_layerId ); i++ )
288      {
289        const Window scalEL = pcSlice->getSPS()->getScaledRefLayerWindow(i);
290        Bool zeroOffsets = ( scalEL.getWindowLeftOffset() == 0 && scalEL.getWindowRightOffset() == 0 && scalEL.getWindowTopOffset() == 0 && scalEL.getWindowBottomOffset() == 0 );
291
292#if VPS_EXTN_DIRECT_REF_LAYERS
293        TDecTop *pcTDecTopBase = (TDecTop *)getRefLayerDec( i );
294#else
295        TDecTop *pcTDecTopBase = (TDecTop *)getLayerDec( m_layerId-1 );
296#endif
297        //TComPic*                      pcPic = *(pcTDecTopBase->getListPic()->begin());
298        TComPicYuv* pcPicYuvRecBase = (*(pcTDecTopBase->getListPic()->begin()))->getPicYuvRec(); 
299#if REPN_FORMAT_IN_VPS
300        if(pcPicYuvRecBase->getWidth() != pcSlice->getPicWidthInLumaSamples() || pcPicYuvRecBase->getHeight() != pcSlice->getPicHeightInLumaSamples() || !zeroOffsets )
301#else
302        if(pcPicYuvRecBase->getWidth() != pcSlice->getSPS()->getPicWidthInLumaSamples() || pcPicYuvRecBase->getHeight() != pcSlice->getSPS()->getPicHeightInLumaSamples() || !zeroOffsets )
303#endif
304        {
305          rpcPic->setSpatialEnhLayerFlag( i, true );
306
307          //only for scalable extension
308#if SCALABILITY_MASK_E0104
309          assert( pcSlice->getVPS()->getScalabilityMask(2) == true );
310#else
311          assert( pcSlice->getVPS()->getScalabilityMask(1) == true );
312#endif
313        }
314#if MAX_ONE_RESAMPLING_DIRECT_LAYERS
315#if SCALABILITY_MASK_E0104
316        if(pcSlice->getVPS()->getScalabilityMask(2))
317#else
318        if(pcSlice->getVPS()->getScalabilityMask(1))
319#endif
320        {
321          pcSlice->setPic(rpcPic);
322        }
323#endif
324      }
325    }
326#endif
327   
328#if REPN_FORMAT_IN_VPS
329#if SVC_UPSAMPLING
330    rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
331                     conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
332#else
333    rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
334                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
335#endif
336#else
337#if SVC_UPSAMPLING
338    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
339                     conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
340#else
341    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
342                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
343#endif
344#endif
345
346    rpcPic->getPicSym()->allocSaoParam(&m_cSAO);
347    m_cListPic.pushBack( rpcPic );
348   
349    return;
350  }
351 
352  Bool bBufferIsAvailable = false;
353  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
354  while (iterPic != m_cListPic.end())
355  {
356    rpcPic = *(iterPic++);
357    if ( rpcPic->getReconMark() == false && rpcPic->getOutputMark() == false)
358    {
359      rpcPic->setOutputMark(false);
360      bBufferIsAvailable = true;
361      break;
362    }
363
364    if ( rpcPic->getSlice( 0 )->isReferenced() == false  && rpcPic->getOutputMark() == false)
365    {
366#if !SVC_EXTENSION
367      rpcPic->setOutputMark(false);
368#endif
369      rpcPic->setReconMark( false );
370      rpcPic->getPicYuvRec()->setBorderExtension( false );
371      bBufferIsAvailable = true;
372      break;
373    }
374  }
375 
376  if ( !bBufferIsAvailable )
377  {
378    //There is no room for this picture, either because of faulty encoder or dropped NAL. Extend the buffer.
379    m_iMaxRefPicNum++;
380    rpcPic = new TComPic();
381    m_cListPic.pushBack( rpcPic );
382  }
383  rpcPic->destroy();
384
385#if REPN_FORMAT_IN_VPS
386#if SVC_UPSAMPLING
387  rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
388                   conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
389
390#else
391  rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
392                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
393#endif
394#else
395#if SVC_UPSAMPLING
396  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
397                   conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
398
399#else
400  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
401                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
402#endif
403#endif
404  rpcPic->getPicSym()->allocSaoParam(&m_cSAO);
405}
406
407Void TDecTop::executeLoopFilters(Int& poc, TComList<TComPic*>*& rpcListPic)
408{
409  if (!m_pcPic)
410  {
411    /* nothing to deblock */
412    return;
413  }
414 
415  TComPic*&   pcPic         = m_pcPic;
416
417  // Execute Deblock + Cleanup
418
419  m_cGopDecoder.filterPicture(pcPic);
420
421#if SYNTAX_OUTPUT
422  pcPic->wrireBLSyntax( getBLSyntaxFile(), SYNTAX_BYTES );
423#endif
424  TComSlice::sortPicList( m_cListPic ); // sorting for application output
425  poc                 = pcPic->getSlice(m_uiSliceIdx-1)->getPOC();
426  rpcListPic          = &m_cListPic; 
427  m_cCuDecoder.destroy();       
428  m_bFirstSliceInPicture  = true;
429
430  return;
431}
432
433#if EARLY_REF_PIC_MARKING
434Void TDecTop::earlyPicMarking(Int maxTemporalLayer, std::vector<Int>& targetDecLayerIdSet)
435{
436  UInt currTid = m_pcPic->getTLayer();
437  UInt highestTid = (maxTemporalLayer >= 0) ? maxTemporalLayer : (m_pcPic->getSlice(0)->getSPS()->getMaxTLayers() - 1);
438  UInt latestDecLayerId = m_layerId;
439  UInt numTargetDecLayers = 0;
440  Int targetDecLayerIdList[MAX_LAYERS];
441  UInt latestDecIdx = 0;
442  TComSlice* pcSlice = m_pcPic->getSlice(0);
443
444  if ( currTid != highestTid )  // Marking  process is only applicaple for highest decoded TLayer
445  {
446    return;
447  }
448
449  // currPic must be marked as "used for reference" and must be a sub-layer non-reference picture
450  if ( !((pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N  ||
451          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N    ||
452          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N   ||
453          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N   ||
454          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N   ||
455          pcSlice->getNalUnitType() == NAL_UNIT_RESERVED_VCL_N10     ||
456          pcSlice->getNalUnitType() == NAL_UNIT_RESERVED_VCL_N12     ||
457          pcSlice->getNalUnitType() == NAL_UNIT_RESERVED_VCL_N14) && pcSlice->isReferenced()))
458  {
459    return;
460  }
461
462  if ( targetDecLayerIdSet.size() == 0 ) // Cannot mark if we don't know the number of scalable layers
463  {
464    return;
465  }
466
467  for (std::vector<Int>::iterator it = targetDecLayerIdSet.begin(); it != targetDecLayerIdSet.end(); it++)
468  {
469    if ( latestDecLayerId == (*it) )
470    {
471      latestDecIdx = numTargetDecLayers;
472    }
473    targetDecLayerIdList[numTargetDecLayers++] = (*it);
474  }
475
476  Int remainingInterLayerReferencesFlag = 0;
477  if ( currTid <= pcSlice->getVPS()->getMaxTidIlRefPicsPlus1(latestDecLayerId) - 1 )
478  {
479    for ( Int j = latestDecIdx + 1; j < numTargetDecLayers; j++ )
480    {
481      for ( Int k = 0; k < m_ppcTDecTop[targetDecLayerIdList[j]]->getNumDirectRefLayers(); k++ )
482      {
483        if ( latestDecIdx == m_ppcTDecTop[targetDecLayerIdList[j]]->getRefLayerId(k) )
484        {
485          remainingInterLayerReferencesFlag = 1;
486        }
487      }
488    }
489  }
490
491  if ( remainingInterLayerReferencesFlag == 0 )
492  {
493    pcSlice->setReferenced(false);
494  }
495}
496#endif
497
498Void TDecTop::xCreateLostPicture(Int iLostPoc) 
499{
500  printf("\ninserting lost poc : %d\n",iLostPoc);
501  TComSlice cFillSlice;
502#if SVC_EXTENSION
503  cFillSlice.setSPS( m_parameterSetManagerDecoder[m_layerId].getFirstSPS() );
504  cFillSlice.setPPS( m_parameterSetManagerDecoder[m_layerId].getFirstPPS() );
505  cFillSlice.setVPS( m_parameterSetManagerDecoder[m_layerId].getFirstVPS() );
506  cFillSlice.initSlice( m_layerId );
507#else
508  cFillSlice.setSPS( m_parameterSetManagerDecoder.getFirstSPS() );
509  cFillSlice.setPPS( m_parameterSetManagerDecoder.getFirstPPS() );
510  cFillSlice.initSlice();
511#endif
512  TComPic *cFillPic;
513  xGetNewPicBuffer(&cFillSlice,cFillPic);
514#if SVC_EXTENSION
515  cFillPic->getSlice(0)->setSPS( m_parameterSetManagerDecoder[m_layerId].getFirstSPS() );
516  cFillPic->getSlice(0)->setPPS( m_parameterSetManagerDecoder[m_layerId].getFirstPPS() );
517  cFillPic->getSlice(0)->setVPS( m_parameterSetManagerDecoder[m_layerId].getFirstVPS() );
518  cFillPic->getSlice(0)->initSlice( m_layerId );
519#else
520  cFillPic->getSlice(0)->setSPS( m_parameterSetManagerDecoder.getFirstSPS() );
521  cFillPic->getSlice(0)->setPPS( m_parameterSetManagerDecoder.getFirstPPS() );
522  cFillPic->getSlice(0)->initSlice();
523#endif
524 
525  TComList<TComPic*>::iterator iterPic = m_cListPic.begin();
526  Int closestPoc = 1000000;
527  while ( iterPic != m_cListPic.end())
528  {
529    TComPic * rpcPic = *(iterPic++);
530    if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)<closestPoc&&abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)!=0&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC())
531    {
532      closestPoc=abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc);
533    }
534  }
535  iterPic = m_cListPic.begin();
536  while ( iterPic != m_cListPic.end())
537  {
538    TComPic *rpcPic = *(iterPic++);
539    if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)==closestPoc&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC())
540    {
541      printf("copying picture %d to %d (%d)\n",rpcPic->getPicSym()->getSlice(0)->getPOC() ,iLostPoc,m_apcSlicePilot->getPOC());
542      rpcPic->getPicYuvRec()->copyToPic(cFillPic->getPicYuvRec());
543      break;
544    }
545  }
546  cFillPic->setCurrSliceIdx(0);
547  for(Int i=0; i<cFillPic->getNumCUsInFrame(); i++) 
548  {
549    cFillPic->getCU(i)->initCU(cFillPic,i);
550  }
551  cFillPic->getSlice(0)->setReferenced(true);
552  cFillPic->getSlice(0)->setPOC(iLostPoc);
553  cFillPic->setReconMark(true);
554  cFillPic->setOutputMark(true);
555  if(m_pocRandomAccess == MAX_INT)
556  {
557    m_pocRandomAccess = iLostPoc;
558  }
559}
560
561
562Void TDecTop::xActivateParameterSets()
563{
564#if SVC_EXTENSION
565  m_parameterSetManagerDecoder[m_layerId].applyPrefetchedPS();
566 
567  TComPPS *pps = m_parameterSetManagerDecoder[m_layerId].getPPS(m_apcSlicePilot->getPPSId());
568  assert (pps != 0);
569
570  TComSPS *sps = m_parameterSetManagerDecoder[m_layerId].getSPS(pps->getSPSId());
571  assert (sps != 0);
572
573  if( false == m_parameterSetManagerDecoder[m_layerId].activatePPS(m_apcSlicePilot->getPPSId(), m_apcSlicePilot->isIRAP()) )
574#else
575  m_parameterSetManagerDecoder.applyPrefetchedPS();
576 
577  TComPPS *pps = m_parameterSetManagerDecoder.getPPS(m_apcSlicePilot->getPPSId());
578  assert (pps != 0);
579
580  TComSPS *sps = m_parameterSetManagerDecoder.getSPS(pps->getSPSId());
581  assert (sps != 0);
582
583  if (false == m_parameterSetManagerDecoder.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP()))
584#endif
585  {
586    printf ("Parameter set activation failed!");
587    assert (0);
588  }
589
590  if( pps->getDependentSliceSegmentsEnabledFlag() )
591  {
592    Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1;
593
594    if (m_cSliceDecoder.getCtxMemSize() != NumCtx)
595    {
596      m_cSliceDecoder.initCtxMem(NumCtx);
597      for ( UInt st = 0; st < NumCtx; st++ )
598      {
599        TDecSbac* ctx = NULL;
600        ctx = new TDecSbac;
601        ctx->init( &m_cBinCABAC );
602        m_cSliceDecoder.setCtxMem( ctx, st );
603      }
604    }
605  }
606
607  m_apcSlicePilot->setPPS(pps);
608  m_apcSlicePilot->setSPS(sps);
609  pps->setSPS(sps);
610#if REPN_FORMAT_IN_VPS
611  pps->setNumSubstreams(pps->getEntropyCodingSyncEnabledFlag() ? ((sps->getPicHeightInLumaSamples() + sps->getMaxCUHeight() - 1) / sps->getMaxCUHeight()) * (pps->getNumColumnsMinus1() + 1) : 1);
612#else
613  pps->setNumSubstreams(pps->getEntropyCodingSyncEnabledFlag() ? ((sps->getPicHeightInLumaSamples() + sps->getMaxCUHeight() - 1) / sps->getMaxCUHeight()) * (pps->getNumColumnsMinus1() + 1) : 1);
614#endif
615  pps->setMinCuDQPSize( sps->getMaxCUWidth() >> ( pps->getMaxCuDQPDepth()) );
616
617#if REPN_FORMAT_IN_VPS
618  g_bitDepthY     = m_apcSlicePilot->getBitDepthY();
619  g_bitDepthC     = m_apcSlicePilot->getBitDepthC();
620#else
621  g_bitDepthY     = sps->getBitDepthY();
622  g_bitDepthC     = sps->getBitDepthC();
623#endif
624  g_uiMaxCUWidth  = sps->getMaxCUWidth();
625  g_uiMaxCUHeight = sps->getMaxCUHeight();
626  g_uiMaxCUDepth  = sps->getMaxCUDepth();
627  g_uiAddCUDepth  = max (0, sps->getLog2MinCodingBlockSize() - (Int)sps->getQuadtreeTULog2MinSize() );
628
629  for (Int i = 0; i < sps->getLog2DiffMaxMinCodingBlockSize(); i++)
630  {
631    sps->setAMPAcc( i, sps->getUseAMP() );
632  }
633
634  for (Int i = sps->getLog2DiffMaxMinCodingBlockSize(); i < sps->getMaxCUDepth(); i++)
635  {
636    sps->setAMPAcc( i, 0 );
637  }
638
639  m_cSAO.destroy();
640#if REPN_FORMAT_IN_VPS
641  m_cSAO.create( m_apcSlicePilot->getPicWidthInLumaSamples(), m_apcSlicePilot->getPicHeightInLumaSamples(), sps->getMaxCUWidth(), sps->getMaxCUHeight() );
642#else
643  m_cSAO.create( sps->getPicWidthInLumaSamples(), sps->getPicHeightInLumaSamples(), sps->getMaxCUWidth(), sps->getMaxCUHeight() );
644#endif
645  m_cLoopFilter.create( sps->getMaxCUDepth() );
646}
647
648#if SVC_EXTENSION
649Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC )
650#else
651Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay )
652#endif
653{
654  TComPic*&   pcPic         = m_pcPic;
655#if SVC_EXTENSION
656  m_apcSlicePilot->setVPS( m_parameterSetManagerDecoder[m_layerId].getPrefetchedVPS(0) );
657  m_apcSlicePilot->initSlice( nalu.m_layerId );
658#else
659  m_apcSlicePilot->initSlice();
660#endif
661
662  if (m_bFirstSliceInPicture)
663  {
664    m_uiSliceIdx     = 0;
665  }
666  m_apcSlicePilot->setSliceIdx(m_uiSliceIdx);
667  if (!m_bFirstSliceInPicture)
668  {
669    m_apcSlicePilot->copySliceInfo( pcPic->getPicSym()->getSlice(m_uiSliceIdx-1) );
670  }
671
672  m_apcSlicePilot->setNalUnitType(nalu.m_nalUnitType);
673  Bool nonReferenceFlag = (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N ||
674                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N   ||
675                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N  ||
676                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N  ||
677                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N);
678  m_apcSlicePilot->setTemporalLayerNonReferenceFlag(nonReferenceFlag);
679 
680  m_apcSlicePilot->setReferenced(true); // Putting this as true ensures that picture is referenced the first time it is in an RPS
681  m_apcSlicePilot->setTLayerInfo(nalu.m_temporalId);
682
683#if SVC_EXTENSION
684#if VPS_EXTN_DIRECT_REF_LAYERS && M0457_PREDICTION_INDICATIONS
685  setRefLayerParams(m_apcSlicePilot->getVPS());
686#endif
687#if M0457_COL_PICTURE_SIGNALING
688  m_apcSlicePilot->setNumMotionPredRefLayers(m_numMotionPredRefLayers);
689#endif
690#if M0457_IL_SAMPLE_PRED_ONLY_FLAG
691  m_apcSlicePilot->setNumSamplePredRefLayers( getNumSamplePredRefLayers() );
692#endif
693  m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder[m_layerId]);
694#else
695  m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder);
696#endif
697
698#if HM12_RANDOM_ACCESS
699  // set POC for dependent slices in skipped pictures
700  if(m_apcSlicePilot->getDependentSliceSegmentFlag() && m_prevSliceSkipped) 
701  {
702    m_apcSlicePilot->setPOC(m_skippedPOC);
703  }
704#endif
705
706  // Skip pictures due to random access
707  if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay))
708  {
709#if HM12_RANDOM_ACCESS
710    m_prevSliceSkipped = true;
711    m_skippedPOC = m_apcSlicePilot->getPOC();
712#endif
713    return false;
714  }
715  // Skip TFD pictures associated with BLA/BLANT pictures
716  if (isSkipPictureForBLA(iPOCLastDisplay))
717  {
718#if HM12_RANDOM_ACCESS
719    m_prevSliceSkipped = true;
720    m_skippedPOC = m_apcSlicePilot->getPOC();
721#endif
722    return false;
723  }
724
725#if HM12_RANDOM_ACCESS
726  // clear previous slice skipped flag
727  m_prevSliceSkipped = false;
728#endif
729
730  // exit when a new picture is found
731#if SVC_EXTENSION
732  bNewPOC = (m_apcSlicePilot->getPOC()!= m_prevPOC);
733  if (m_apcSlicePilot->isNextSlice() && (bNewPOC || m_layerId!=m_uiPrevLayerId) && !m_bFirstSliceInSequence )
734  {
735    m_prevPOC = m_apcSlicePilot->getPOC();
736    curLayerId = m_uiPrevLayerId; 
737    m_uiPrevLayerId = m_layerId;
738    return true;
739  }
740#else
741  //we should only get a different poc for a new picture (with CTU address==0)
742  if (m_apcSlicePilot->isNextSlice() && m_apcSlicePilot->getPOC()!=m_prevPOC && !m_bFirstSliceInSequence && (!m_apcSlicePilot->getSliceCurStartCUAddr()==0))
743  {
744    printf ("Warning, the first slice of a picture might have been lost!\n");
745  }
746  // exit when a new picture is found
747  if (m_apcSlicePilot->isNextSlice() && (m_apcSlicePilot->getSliceCurStartCUAddr() == 0 && !m_bFirstSliceInPicture) && !m_bFirstSliceInSequence )
748  {
749    if (m_prevPOC >= m_pocRandomAccess)
750    {
751      m_prevPOC = m_apcSlicePilot->getPOC();
752      return true;
753    }
754    m_prevPOC = m_apcSlicePilot->getPOC();
755  }
756#endif
757  // actual decoding starts here
758  xActivateParameterSets();
759#if REPN_FORMAT_IN_VPS
760  // Initialize ILRP if needed, only for the current layer 
761  // ILRP intialization should go along with activation of parameters sets,
762  // although activation of parameter sets itself need not be done for each and every slice!!!
763  xInitILRP(m_apcSlicePilot);
764#endif
765  if (m_apcSlicePilot->isNextSlice()) 
766  {
767    m_prevPOC = m_apcSlicePilot->getPOC();
768#if SVC_EXTENSION
769    curLayerId = m_layerId;
770    m_uiPrevLayerId = m_layerId;
771#endif
772  }
773  m_bFirstSliceInSequence = false;
774  //detect lost reference picture and insert copy of earlier frame.
775  Int lostPoc;
776  while((lostPoc=m_apcSlicePilot->checkThatAllRefPicsAreAvailable(m_cListPic, m_apcSlicePilot->getRPS(), true, m_pocRandomAccess)) > 0)
777  {
778    xCreateLostPicture(lostPoc-1);
779  }
780  if (m_bFirstSliceInPicture)
781  {
782#if AVC_BASE
783    if( m_layerId == 1 && m_parameterSetManagerDecoder[0].getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
784    {
785      TComPic* pBLPic = (*m_ppcTDecTop[0]->getListPic()->begin());
786      fstream* pFile  = m_ppcTDecTop[0]->getBLReconFile();
787      UInt uiWidth    = pBLPic->getPicYuvRec()->getWidth();
788      UInt uiHeight   = pBLPic->getPicYuvRec()->getHeight();
789
790      if( pFile->good() )
791      {
792        UInt64 uiPos = (UInt64) m_apcSlicePilot->getPOC() * uiWidth * uiHeight * 3 / 2;
793
794        pFile->seekg((UInt)uiPos, ios::beg );
795
796        Pel* pPel = pBLPic->getPicYuvRec()->getLumaAddr();
797        UInt uiStride = pBLPic->getPicYuvRec()->getStride();
798        for( Int i = 0; i < uiHeight; i++ )
799        {
800          for( Int j = 0; j < uiWidth; j++ )
801          {
802            pPel[j] = pFile->get();
803          }
804          pPel += uiStride;
805        }
806
807        pPel = pBLPic->getPicYuvRec()->getCbAddr();
808        uiStride = pBLPic->getPicYuvRec()->getCStride();
809        for( Int i = 0; i < uiHeight/2; i++ )
810        {
811          for( Int j = 0; j < uiWidth/2; j++ )
812          {
813            pPel[j] = pFile->get();
814          }
815          pPel += uiStride;
816        }
817
818        pPel = pBLPic->getPicYuvRec()->getCrAddr();
819        uiStride = pBLPic->getPicYuvRec()->getCStride();
820        for( Int i = 0; i < uiHeight/2; i++ )
821        {
822          for( Int j = 0; j < uiWidth/2; j++ )
823          {
824            pPel[j] = pFile->get();
825          }
826          pPel += uiStride;
827        }
828      }
829    }
830#endif
831
832    // Buffer initialize for prediction.
833    m_cPrediction.initTempBuff();
834    m_apcSlicePilot->applyReferencePictureSet(m_cListPic, m_apcSlicePilot->getRPS());
835    //  Get a new picture buffer
836    xGetNewPicBuffer (m_apcSlicePilot, pcPic);
837
838    // transfer any SEI messages that have been received to the picture
839    pcPic->setSEIs(m_SEIs);
840    m_SEIs.clear();
841
842    // Recursive structure
843    m_cCuDecoder.create ( g_uiMaxCUDepth, g_uiMaxCUWidth, g_uiMaxCUHeight );
844#if SVC_EXTENSION
845    m_cCuDecoder.init   ( m_ppcTDecTop,&m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction, curLayerId );
846#else
847    m_cCuDecoder.init   ( &m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction );
848#endif
849    m_cTrQuant.init     ( g_uiMaxCUWidth, g_uiMaxCUHeight, m_apcSlicePilot->getSPS()->getMaxTrSize());
850
851    m_cSliceDecoder.create();
852  }
853  else
854  {
855    // Check if any new SEI has arrived
856    if(!m_SEIs.empty())
857    {
858      // Currently only decoding Unit SEI message occurring between VCL NALUs copied
859      SEIMessages &picSEI = pcPic->getSEIs();
860      SEIMessages decodingUnitInfos = extractSeisByType (m_SEIs, SEI::DECODING_UNIT_INFO);
861      picSEI.insert(picSEI.end(), decodingUnitInfos.begin(), decodingUnitInfos.end());
862      deleteSEIs(m_SEIs);
863    }
864  }
865 
866  //  Set picture slice pointer
867  TComSlice*  pcSlice = m_apcSlicePilot;
868  Bool bNextSlice     = pcSlice->isNextSlice();
869
870  UInt uiCummulativeTileWidth;
871  UInt uiCummulativeTileHeight;
872  UInt i, j, p;
873
874  //set NumColumnsMins1 and NumRowsMinus1
875  pcPic->getPicSym()->setNumColumnsMinus1( pcSlice->getPPS()->getNumColumnsMinus1() );
876  pcPic->getPicSym()->setNumRowsMinus1( pcSlice->getPPS()->getNumRowsMinus1() );
877
878  //create the TComTileArray
879  pcPic->getPicSym()->xCreateTComTileArray();
880
881  if( pcSlice->getPPS()->getUniformSpacingFlag() )
882  {
883    //set the width for each tile
884    for(j=0; j < pcPic->getPicSym()->getNumRowsMinus1()+1; j++)
885    {
886      for(p=0; p < pcPic->getPicSym()->getNumColumnsMinus1()+1; p++)
887      {
888        pcPic->getPicSym()->getTComTile( j * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + p )->
889          setTileWidth( (p+1)*pcPic->getPicSym()->getFrameWidthInCU()/(pcPic->getPicSym()->getNumColumnsMinus1()+1) 
890          - (p*pcPic->getPicSym()->getFrameWidthInCU())/(pcPic->getPicSym()->getNumColumnsMinus1()+1) );
891      }
892    }
893
894    //set the height for each tile
895    for(j=0; j < pcPic->getPicSym()->getNumColumnsMinus1()+1; j++)
896    {
897      for(p=0; p < pcPic->getPicSym()->getNumRowsMinus1()+1; p++)
898      {
899        pcPic->getPicSym()->getTComTile( p * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + j )->
900          setTileHeight( (p+1)*pcPic->getPicSym()->getFrameHeightInCU()/(pcPic->getPicSym()->getNumRowsMinus1()+1) 
901          - (p*pcPic->getPicSym()->getFrameHeightInCU())/(pcPic->getPicSym()->getNumRowsMinus1()+1) );   
902      }
903    }
904  }
905  else
906  {
907    //set the width for each tile
908    for(j=0; j < pcSlice->getPPS()->getNumRowsMinus1()+1; j++)
909    {
910      uiCummulativeTileWidth = 0;
911      for(i=0; i < pcSlice->getPPS()->getNumColumnsMinus1(); i++)
912      {
913        pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcSlice->getPPS()->getColumnWidth(i) );
914        uiCummulativeTileWidth += pcSlice->getPPS()->getColumnWidth(i);
915      }
916      pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcPic->getPicSym()->getFrameWidthInCU()-uiCummulativeTileWidth );
917    }
918
919    //set the height for each tile
920    for(j=0; j < pcSlice->getPPS()->getNumColumnsMinus1()+1; j++)
921    {
922      uiCummulativeTileHeight = 0;
923      for(i=0; i < pcSlice->getPPS()->getNumRowsMinus1(); i++)
924      { 
925        pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcSlice->getPPS()->getRowHeight(i) );
926        uiCummulativeTileHeight += pcSlice->getPPS()->getRowHeight(i);
927      }
928      pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcPic->getPicSym()->getFrameHeightInCU()-uiCummulativeTileHeight );
929    }
930  }
931
932  pcPic->getPicSym()->xInitTiles();
933
934  //generate the Coding Order Map and Inverse Coding Order Map
935  UInt uiEncCUAddr;
936  for(i=0, uiEncCUAddr=0; i<pcPic->getPicSym()->getNumberOfCUsInFrame(); i++, uiEncCUAddr = pcPic->getPicSym()->xCalculateNxtCUAddr(uiEncCUAddr))
937  {
938    pcPic->getPicSym()->setCUOrderMap(i, uiEncCUAddr);
939    pcPic->getPicSym()->setInverseCUOrderMap(uiEncCUAddr, i);
940  }
941  pcPic->getPicSym()->setCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
942  pcPic->getPicSym()->setInverseCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
943
944  //convert the start and end CU addresses of the slice and dependent slice into encoding order
945  pcSlice->setSliceSegmentCurStartCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurStartCUAddr()) );
946  pcSlice->setSliceSegmentCurEndCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurEndCUAddr()) );
947  if(pcSlice->isNextSlice())
948  {
949    pcSlice->setSliceCurStartCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurStartCUAddr()));
950    pcSlice->setSliceCurEndCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurEndCUAddr()));
951  }
952
953  if (m_bFirstSliceInPicture) 
954  {
955    if(pcPic->getNumAllocatedSlice() != 1)
956    {
957      pcPic->clearSliceBuffer();
958    }
959  }
960  else
961  {
962    pcPic->allocateNewSlice();
963  }
964  assert(pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1));
965  m_apcSlicePilot = pcPic->getPicSym()->getSlice(m_uiSliceIdx); 
966  pcPic->getPicSym()->setSlice(pcSlice, m_uiSliceIdx);
967
968  pcPic->setTLayer(nalu.m_temporalId);
969
970#if SVC_EXTENSION
971  pcPic->setLayerId(nalu.m_layerId);
972  pcSlice->setLayerId(nalu.m_layerId);
973#endif
974
975  if (bNextSlice)
976  {
977    pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_prevRAPisBLA, m_cListPic );
978    // Set reference list
979#if SVC_EXTENSION
980    if (m_layerId == 0)
981#endif
982#if FIX1071
983    pcSlice->setRefPicList( m_cListPic, true );
984#else
985    pcSlice->setRefPicList( m_cListPic );
986#endif
987
988#if SVC_EXTENSION   
989    if(m_layerId > 0)
990    {
991      for( i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ )
992      {
993        UInt refLayerIdc = pcSlice->getInterLayerPredLayerIdc(i);
994#if AVC_BASE
995        if( pcSlice->getVPS()->getRefLayerId( m_layerId, refLayerIdc ) == 0 && m_parameterSetManagerDecoder[0].getActiveVPS()->getAvcBaseLayerFlag() )
996        {
997          pcSlice->setBaseColPic ( refLayerIdc, *m_ppcTDecTop[0]->getListPic()->begin() );
998#if AVC_SYNTAX
999          TComPic* pBLPic = pcSlice->getBaseColPic(refLayerIdc);
1000          if( pcSlice->getPOC() == 0 )
1001          {
1002            // initialize partition order.
1003            UInt* piTmp = &g_auiZscanToRaster[0];
1004            initZscanToRaster( pBLPic->getPicSym()->getMaxDepth() + 1, 1, 0, piTmp );
1005            initRasterToZscan( pBLPic->getPicSym()->getMaxCUWidth(), pBLPic->getPicSym()->getMaxCUHeight(), pBLPic->getPicSym()->getMaxDepth() + 1 );
1006          }     
1007          pBLPic->getSlice( 0 )->initBaseLayerRPL( pcSlice );
1008          pBLPic->readBLSyntax( m_ppcTDecTop[0]->getBLSyntaxFile(), SYNTAX_BYTES );
1009#endif
1010        }
1011        else
1012        {
1013#if VPS_EXTN_DIRECT_REF_LAYERS
1014          TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1015#else
1016          TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1017#endif
1018          TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1019          pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1020        }
1021#else
1022#if VPS_EXTN_DIRECT_REF_LAYERS
1023        TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1024#else
1025        TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1026#endif
1027        TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1028        pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1029#endif
1030
1031#if SCALED_REF_LAYER_OFFSETS
1032        const Window &scalEL = pcSlice->getSPS()->getScaledRefLayerWindow(refLayerIdc);
1033
1034
1035        Int widthBL   = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec()->getWidth();
1036        Int heightBL  = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec()->getHeight();
1037
1038        Int widthEL   = pcPic->getPicYuvRec()->getWidth()  - scalEL.getWindowLeftOffset() - scalEL.getWindowRightOffset();
1039        Int heightEL  = pcPic->getPicYuvRec()->getHeight() - scalEL.getWindowTopOffset()  - scalEL.getWindowBottomOffset();
1040#else
1041        const Window &confBL = pcSlice->getBaseColPic()->getPicYuvRec()->getConformanceWindow();
1042        const Window &confEL = pcPic->getPicYuvRec()->getConformanceWindow();
1043
1044        Int widthBL   = pcSlice->getBaseColPic()->getPicYuvRec()->getWidth () - confBL.getWindowLeftOffset() - confBL.getWindowRightOffset();
1045        Int heightBL  = pcSlice->getBaseColPic()->getPicYuvRec()->getHeight() - confBL.getWindowTopOffset() - confBL.getWindowBottomOffset();
1046
1047        Int widthEL   = pcPic->getPicYuvRec()->getWidth() - confEL.getWindowLeftOffset() - confEL.getWindowRightOffset();
1048        Int heightEL  = pcPic->getPicYuvRec()->getHeight() - confEL.getWindowTopOffset() - confEL.getWindowBottomOffset();
1049#endif
1050        g_mvScalingFactor[refLayerIdc][0] = widthEL  == widthBL  ? 4096 : Clip3(-4096, 4095, ((widthEL  << 8) + (widthBL  >> 1)) / widthBL);
1051        g_mvScalingFactor[refLayerIdc][1] = heightEL == heightBL ? 4096 : Clip3(-4096, 4095, ((heightEL << 8) + (heightBL >> 1)) / heightBL);
1052
1053        g_posScalingFactor[refLayerIdc][0] = ((widthBL  << 16) + (widthEL  >> 1)) / widthEL;
1054        g_posScalingFactor[refLayerIdc][1] = ((heightBL << 16) + (heightEL >> 1)) / heightEL;
1055
1056#if SVC_UPSAMPLING
1057        if( pcPic->isSpatialEnhLayer(refLayerIdc) )
1058        {   
1059#if SCALED_REF_LAYER_OFFSETS
1060          m_cPrediction.upsampleBasePic( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec(), pcSlice->getSPS()->getScaledRefLayerWindow(refLayerIdc) );
1061#else
1062          m_cPrediction.upsampleBasePic( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec() );
1063#endif
1064        }
1065        else
1066        {
1067          pcPic->setFullPelBaseRec( refLayerIdc, pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec() );
1068        }
1069        pcSlice->setFullPelBaseRec ( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc) );
1070#endif
1071      }
1072    }
1073
1074    if( m_layerId > 0 && pcSlice->getActiveNumILRRefIdx() )
1075    {
1076      setILRPic(pcPic);
1077#if REF_IDX_MFM
1078#if M0457_COL_PICTURE_SIGNALING
1079      if( pcSlice->getMFMEnabledFlag() )
1080#else
1081      if( pcSlice->getSPS()->getMFMEnabledFlag() )
1082#endif
1083      {
1084        pcSlice->setRefPOCListILP(m_ppcTDecTop[m_layerId]->m_cIlpPic, pcSlice->getBaseColPic());
1085#if M0457_COL_PICTURE_SIGNALING && !REMOVE_COL_PICTURE_SIGNALING
1086        pcSlice->setMotionPredIlp(getMotionPredIlp(pcSlice));
1087#endif
1088      }
1089      pcSlice->setRefPicList( m_cListPic, false, m_cIlpPic);
1090    }
1091#if M0040_ADAPTIVE_RESOLUTION_CHANGE
1092    else if ( m_layerId > 0 )
1093    {
1094      pcSlice->setRefPicList( m_cListPic, false, NULL);
1095    }
1096#endif
1097#endif
1098
1099#endif //SVC_EXTENSION
1100
1101    // For generalized B
1102    // note: maybe not existed case (always L0 is copied to L1 if L1 is empty)
1103    if (pcSlice->isInterB() && pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0)
1104    {
1105      Int iNumRefIdx = pcSlice->getNumRefIdx(REF_PIC_LIST_0);
1106      pcSlice->setNumRefIdx        ( REF_PIC_LIST_1, iNumRefIdx );
1107
1108      for (Int iRefIdx = 0; iRefIdx < iNumRefIdx; iRefIdx++)
1109      {
1110        pcSlice->setRefPic(pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx), REF_PIC_LIST_1, iRefIdx);
1111      }
1112    }
1113    if (!pcSlice->isIntra())
1114    {
1115      Bool bLowDelay = true;
1116      Int  iCurrPOC  = pcSlice->getPOC();
1117      Int iRefIdx = 0;
1118
1119      for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_0) && bLowDelay; iRefIdx++)
1120      {
1121        if ( pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx)->getPOC() > iCurrPOC )
1122        {
1123          bLowDelay = false;
1124        }
1125      }
1126      if (pcSlice->isInterB())
1127      {
1128        for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_1) && bLowDelay; iRefIdx++)
1129        {
1130          if ( pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx)->getPOC() > iCurrPOC )
1131          {
1132            bLowDelay = false;
1133          }
1134        }       
1135      }
1136
1137      pcSlice->setCheckLDC(bLowDelay);           
1138    }
1139
1140    //---------------
1141    pcSlice->setRefPOCList();
1142  }
1143
1144  pcPic->setCurrSliceIdx(m_uiSliceIdx);
1145  if(pcSlice->getSPS()->getScalingListFlag())
1146  {
1147    pcSlice->setScalingList ( pcSlice->getSPS()->getScalingList()  );
1148    if(pcSlice->getPPS()->getScalingListPresentFlag())
1149    {
1150      pcSlice->setScalingList ( pcSlice->getPPS()->getScalingList()  );
1151    }
1152    pcSlice->getScalingList()->setUseTransformSkip(pcSlice->getPPS()->getUseTransformSkip());
1153    if(!pcSlice->getPPS()->getScalingListPresentFlag() && !pcSlice->getSPS()->getScalingListPresentFlag())
1154    {
1155      pcSlice->setDefaultScalingList();
1156    }
1157    m_cTrQuant.setScalingListDec(pcSlice->getScalingList());
1158    m_cTrQuant.setUseScalingList(true);
1159  }
1160  else
1161  {
1162    m_cTrQuant.setFlatScalingList();
1163    m_cTrQuant.setUseScalingList(false);
1164  }
1165
1166  //  Decode a picture
1167  m_cGopDecoder.decompressSlice(nalu.m_Bitstream, pcPic);
1168
1169  m_bFirstSliceInPicture = false;
1170  m_uiSliceIdx++;
1171
1172  return false;
1173}
1174
1175Void TDecTop::xDecodeVPS()
1176{
1177  TComVPS* vps = new TComVPS();
1178 
1179  m_cEntropyDecoder.decodeVPS( vps );
1180#if SVC_EXTENSION
1181  m_parameterSetManagerDecoder[0].storePrefetchedVPS(vps);
1182#else
1183  m_parameterSetManagerDecoder.storePrefetchedVPS(vps); 
1184#endif
1185}
1186
1187Void TDecTop::xDecodeSPS()
1188{
1189  TComSPS* sps = new TComSPS();
1190#if SVC_EXTENSION
1191  sps->setLayerId(m_layerId);
1192#endif
1193#if SPS_SUB_LAYER_INFO
1194  m_cEntropyDecoder.decodeSPS( sps, &m_parameterSetManagerDecoder[0] );
1195#else
1196  m_cEntropyDecoder.decodeSPS( sps );
1197#endif
1198#if SVC_EXTENSION
1199  m_parameterSetManagerDecoder[m_layerId].storePrefetchedSPS(sps);
1200#else
1201  m_parameterSetManagerDecoder.storePrefetchedSPS(sps);
1202#endif
1203#if SVC_EXTENSION
1204#if !REPN_FORMAT_IN_VPS   // ILRP can only be initialized at activation 
1205  if(m_numLayer>0)
1206  {
1207    xInitILRP(sps);
1208  }
1209#endif
1210#endif
1211}
1212
1213Void TDecTop::xDecodePPS()
1214{
1215  TComPPS* pps = new TComPPS();
1216  m_cEntropyDecoder.decodePPS( pps );
1217#if SVC_EXTENSION
1218  m_parameterSetManagerDecoder[m_layerId].storePrefetchedPPS( pps );
1219#else
1220  m_parameterSetManagerDecoder.storePrefetchedPPS( pps );
1221#endif
1222
1223  if( pps->getDependentSliceSegmentsEnabledFlag() )
1224  {
1225    Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1;
1226    m_cSliceDecoder.initCtxMem(NumCtx);
1227    for ( UInt st = 0; st < NumCtx; st++ )
1228    {
1229      TDecSbac* ctx = NULL;
1230      ctx = new TDecSbac;
1231      ctx->init( &m_cBinCABAC );
1232      m_cSliceDecoder.setCtxMem( ctx, st );
1233    }
1234  }
1235}
1236
1237Void TDecTop::xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType )
1238{
1239#if SVC_EXTENSION
1240  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1241  {
1242#if RANDOM_ACCESS_SEI_FIX
1243    if (m_prevSliceSkipped) // No need to decode SEI messages of a skipped access unit
1244    {
1245      return;
1246    }
1247#endif
1248#if M0043_LAYERS_PRESENT_SEI
1249    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveVPS(), m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1250#else
1251    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1252#endif
1253  }
1254  else
1255  {
1256#if M0043_LAYERS_PRESENT_SEI
1257    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveVPS(), m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1258#else
1259    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1260#endif
1261    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1262    if (activeParamSets.size()>0)
1263    {
1264      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1265      m_parameterSetManagerDecoder[m_layerId].applyPrefetchedPS();
1266      assert(seiAps->activeSeqParamSetId.size()>0);
1267      if (! m_parameterSetManagerDecoder[m_layerId].activateSPSWithSEI(seiAps->activeSeqParamSetId[0] ))
1268      {
1269        printf ("Warning SPS activation with Active parameter set SEI failed");
1270      }
1271    }
1272  }
1273#else
1274  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1275  {
1276#if M0043_LAYERS_PRESENT_SEI
1277    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1278#else
1279    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1280#endif
1281  }
1282  else
1283  {
1284#if M0043_LAYERS_PRESENT_SEI
1285    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1286#else
1287    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1288#endif
1289    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1290    if (activeParamSets.size()>0)
1291    {
1292      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1293      m_parameterSetManagerDecoder.applyPrefetchedPS();
1294      assert(seiAps->activeSeqParamSetId.size()>0);
1295      if (! m_parameterSetManagerDecoder.activateSPSWithSEI(seiAps->activeSeqParamSetId[0] ))
1296      {
1297        printf ("Warning SPS activation with Active parameter set SEI failed");
1298      }
1299    }
1300  }
1301#endif
1302}
1303
1304#if SVC_EXTENSION
1305Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC)
1306#else
1307Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay)
1308#endif
1309{
1310  // Initialize entropy decoder
1311  m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder);
1312  m_cEntropyDecoder.setBitstream      (nalu.m_Bitstream);
1313
1314  switch (nalu.m_nalUnitType)
1315  {
1316    case NAL_UNIT_VPS:
1317      xDecodeVPS();
1318#if AVC_BASE
1319      if( m_parameterSetManagerDecoder[0].getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1320      {
1321        if( !m_ppcTDecTop[0]->getBLReconFile()->good() )
1322        {
1323          printf( "Base layer YUV input reading error\n" );
1324          exit(EXIT_FAILURE);
1325        }       
1326#if AVC_SYNTAX
1327        if( !m_ppcTDecTop[0]->getBLSyntaxFile()->good() )
1328        {
1329          printf( "Base layer syntax input reading error\n" );
1330          exit(EXIT_FAILURE);
1331        }
1332#endif
1333      }
1334      else
1335      {
1336        TComList<TComPic*> *cListPic = m_ppcTDecTop[0]->getListPic();
1337        cListPic->clear();
1338      }
1339#endif
1340      return false;
1341     
1342    case NAL_UNIT_SPS:
1343      xDecodeSPS();
1344#if AVC_BASE
1345      if( m_parameterSetManagerDecoder[0].getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1346      {
1347        TComPic* pBLPic = (*m_ppcTDecTop[0]->getListPic()->begin());
1348        if( nalu.m_layerId == 1 && pBLPic->getPicYuvRec() == NULL )
1349        {
1350          // using EL SPS with spsId = 1
1351          TComSPS* sps = m_parameterSetManagerDecoder[nalu.m_layerId].getPrefetchedSPS(1);
1352          Int  numReorderPics[MAX_TLAYER];
1353          Window &conformanceWindow = sps->getConformanceWindow();
1354          Window defaultDisplayWindow = sps->getVuiParametersPresentFlag() ? sps->getVuiParameters()->getDefaultDisplayWindow() : Window();
1355#if SVC_UPSAMPLING
1356#if AVC_SYNTAX
1357
1358          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, sps, true);
1359#else
1360          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, NULL, true);
1361#endif
1362#else
1363          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), onformanceWindow, defaultDisplayWindow, numReorderPics, true);
1364#endif
1365        }
1366      }
1367#endif
1368      return false;
1369
1370    case NAL_UNIT_PPS:
1371      xDecodePPS();
1372      return false;
1373     
1374    case NAL_UNIT_PREFIX_SEI:
1375    case NAL_UNIT_SUFFIX_SEI:
1376      xDecodeSEI( nalu.m_Bitstream, nalu.m_nalUnitType );
1377      return false;
1378
1379    case NAL_UNIT_CODED_SLICE_TRAIL_R:
1380    case NAL_UNIT_CODED_SLICE_TRAIL_N:
1381    case NAL_UNIT_CODED_SLICE_TLA_R:
1382    case NAL_UNIT_CODED_SLICE_TSA_N:
1383    case NAL_UNIT_CODED_SLICE_STSA_R:
1384    case NAL_UNIT_CODED_SLICE_STSA_N:
1385    case NAL_UNIT_CODED_SLICE_BLA_W_LP:
1386    case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
1387    case NAL_UNIT_CODED_SLICE_BLA_N_LP:
1388    case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
1389    case NAL_UNIT_CODED_SLICE_IDR_N_LP:
1390    case NAL_UNIT_CODED_SLICE_CRA:
1391    case NAL_UNIT_CODED_SLICE_RADL_N:
1392    case NAL_UNIT_CODED_SLICE_RADL_R:
1393    case NAL_UNIT_CODED_SLICE_RASL_N:
1394    case NAL_UNIT_CODED_SLICE_RASL_R:
1395#if SVC_EXTENSION
1396      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, curLayerId, bNewPOC);
1397#else
1398      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay);
1399#endif
1400      break;
1401    default:
1402      assert (1);
1403  }
1404
1405  return false;
1406}
1407
1408/** Function for checking if picture should be skipped because of association with a previous BLA picture
1409 * \param iPOCLastDisplay POC of last picture displayed
1410 * \returns true if the picture should be skipped
1411 * This function skips all TFD pictures that follow a BLA picture
1412 * in decoding order and precede it in output order.
1413 */
1414Bool TDecTop::isSkipPictureForBLA(Int& iPOCLastDisplay)
1415{
1416  if (m_prevRAPisBLA && m_apcSlicePilot->getPOC() < m_pocCRA && (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N))
1417  {
1418    iPOCLastDisplay++;
1419    return true;
1420  }
1421  return false;
1422}
1423
1424/** Function for checking if picture should be skipped because of random access
1425 * \param iSkipFrame skip frame counter
1426 * \param iPOCLastDisplay POC of last picture displayed
1427 * \returns true if the picture shold be skipped in the random access.
1428 * This function checks the skipping of pictures in the case of -s option random access.
1429 * All pictures prior to the random access point indicated by the counter iSkipFrame are skipped.
1430 * It also checks the type of Nal unit type at the random access point.
1431 * If the random access point is CRA/CRANT/BLA/BLANT, TFD pictures with POC less than the POC of the random access point are skipped.
1432 * If the random access point is IDR all pictures after the random access point are decoded.
1433 * If the random access point is none of the above, a warning is issues, and decoding of pictures with POC
1434 * equal to or greater than the random access point POC is attempted. For non IDR/CRA/BLA random
1435 * access point there is no guarantee that the decoder will not crash.
1436 */
1437Bool TDecTop::isRandomAccessSkipPicture(Int& iSkipFrame,  Int& iPOCLastDisplay)
1438{
1439  if (iSkipFrame) 
1440  {
1441    iSkipFrame--;   // decrement the counter
1442    return true;
1443  }
1444  else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet.
1445  {
1446    if (   m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA
1447        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1448        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
1449        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL )
1450    {
1451      // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT.
1452      m_pocRandomAccess = m_apcSlicePilot->getPOC();
1453    }
1454    else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP )
1455    {
1456      m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable.
1457    }
1458    else 
1459    {
1460      static Bool warningMessage = false;
1461      if(!warningMessage)
1462      {
1463        printf("\nWarning: this is not a valid random access point and the data is discarded until the first CRA picture");
1464        warningMessage = true;
1465      }
1466      return true;
1467    }
1468  }
1469  // skip the reordered pictures, if necessary
1470  else if (m_apcSlicePilot->getPOC() < m_pocRandomAccess && (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N))
1471  {
1472    iPOCLastDisplay++;
1473    return true;
1474  }
1475  // if we reach here, then the picture is not skipped.
1476  return false; 
1477}
1478
1479#if VPS_EXTN_DIRECT_REF_LAYERS
1480TDecTop* TDecTop::getRefLayerDec( UInt refLayerIdc )
1481{
1482  TComVPS* vps = m_parameterSetManagerDecoder[0].getActiveVPS();
1483  if( vps->getNumDirectRefLayers( m_layerId ) <= 0 )
1484  {
1485    return (TDecTop *)getLayerDec( 0 );
1486  }
1487 
1488  return (TDecTop *)getLayerDec( vps->getRefLayerId( m_layerId, refLayerIdc ) );
1489}
1490#endif
1491
1492#if VPS_EXTN_DIRECT_REF_LAYERS && M0457_PREDICTION_INDICATIONS
1493
1494Void TDecTop::setRefLayerParams( TComVPS* vps )
1495{
1496  for(UInt layer = 0; layer < m_numLayer; layer++)
1497  {
1498    TDecTop *decTop = (TDecTop *)getLayerDec(layer);
1499    decTop->setNumSamplePredRefLayers(0);
1500    decTop->setNumMotionPredRefLayers(0);
1501    decTop->setNumDirectRefLayers(0);
1502    for(Int i = 0; i < MAX_VPS_LAYER_ID_PLUS1; i++)
1503    {
1504      decTop->setSamplePredEnabledFlag(i, false);
1505      decTop->setMotionPredEnabledFlag(i, false);
1506      decTop->setSamplePredRefLayerId(i, 0);
1507      decTop->setMotionPredRefLayerId(i, 0);
1508    }
1509    for(Int j = 0; j < layer; j++)
1510    {
1511      if (vps->getDirectDependencyFlag(layer, j))
1512      {
1513        decTop->setRefLayerId(decTop->getNumDirectRefLayers(), vps->getLayerIdInNuh(layer));
1514        decTop->setNumDirectRefLayers(decTop->getNumDirectRefLayers() + 1);
1515
1516        Int samplePredEnabledFlag = (vps->getDirectDependencyType(layer, j) + 1) & 1;
1517        decTop->setSamplePredEnabledFlag(j, samplePredEnabledFlag == 1 ? true : false);
1518        decTop->setNumSamplePredRefLayers(decTop->getNumSamplePredRefLayers() + samplePredEnabledFlag);
1519
1520        Int motionPredEnabledFlag = ((vps->getDirectDependencyType(layer, j) + 1) & 2) >> 1;
1521        decTop->setMotionPredEnabledFlag(j, motionPredEnabledFlag == 1 ? true : false);
1522        decTop->setNumMotionPredRefLayers(decTop->getNumMotionPredRefLayers() + motionPredEnabledFlag);
1523      }
1524    }
1525  }
1526  for ( Int i = 1, mIdx = 0, sIdx = 0; i < m_numLayer; i++ )
1527  {
1528    Int iNuhLId = vps->getLayerIdInNuh(i);
1529    TDecTop *decTop = (TDecTop *)getLayerDec(iNuhLId);
1530    for ( Int j = 0; j < i; j++ )
1531    {
1532      if (decTop->getMotionPredEnabledFlag(j))
1533      {
1534        decTop->setMotionPredRefLayerId(mIdx++, vps->getLayerIdInNuh(j));
1535      }
1536      if (decTop->getSamplePredEnabledFlag(j))
1537      {
1538        decTop->setSamplePredRefLayerId(sIdx++, vps->getLayerIdInNuh(j));
1539      }
1540    }
1541  }
1542}
1543
1544#endif
1545
1546#if M0457_COL_PICTURE_SIGNALING && !REMOVE_COL_PICTURE_SIGNALING
1547TComPic* TDecTop::getMotionPredIlp(TComSlice* pcSlice)
1548{
1549  TComPic* ilpPic = NULL;
1550  Int activeMotionPredReflayerIdx = 0;
1551
1552  for( Int i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ )
1553  {
1554    UInt refLayerIdc = pcSlice->getInterLayerPredLayerIdc(i);
1555    if( getMotionPredEnabledFlag( pcSlice->getVPS()->getRefLayerId( m_layerId, refLayerIdc ) ) )
1556    {
1557      if (activeMotionPredReflayerIdx == pcSlice->getColRefLayerIdx())
1558      {
1559        ilpPic = m_cIlpPic[refLayerIdc];
1560        break;
1561      }
1562      else
1563      {
1564        activeMotionPredReflayerIdx++;
1565      }
1566    }
1567  }
1568
1569  assert(ilpPic != NULL);
1570
1571  return ilpPic;
1572}
1573#endif
1574
1575//! \}
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