source: SHVCSoftware/branches/SHM-3.1-dev/source/Lib/TLibDecoder/TDecTop.cpp @ 414

Last change on this file since 414 was 414, checked in by sony, 11 years ago

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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
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13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
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18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/** \file     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
649#if POC_RESET_FLAG
650Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int &iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC )
651#else
652Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC )
653#endif
654#else
655Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay )
656#endif
657{
658  TComPic*&   pcPic         = m_pcPic;
659#if SVC_EXTENSION
660  m_apcSlicePilot->setVPS( m_parameterSetManagerDecoder[m_layerId].getPrefetchedVPS(0) );
661  m_apcSlicePilot->initSlice( nalu.m_layerId );
662#else
663  m_apcSlicePilot->initSlice();
664#endif
665
666  if (m_bFirstSliceInPicture)
667  {
668    m_uiSliceIdx     = 0;
669  }
670  m_apcSlicePilot->setSliceIdx(m_uiSliceIdx);
671  if (!m_bFirstSliceInPicture)
672  {
673    m_apcSlicePilot->copySliceInfo( pcPic->getPicSym()->getSlice(m_uiSliceIdx-1) );
674  }
675
676  m_apcSlicePilot->setNalUnitType(nalu.m_nalUnitType);
677  Bool nonReferenceFlag = (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N ||
678                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N   ||
679                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N  ||
680                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N  ||
681                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N);
682  m_apcSlicePilot->setTemporalLayerNonReferenceFlag(nonReferenceFlag);
683 
684  m_apcSlicePilot->setReferenced(true); // Putting this as true ensures that picture is referenced the first time it is in an RPS
685  m_apcSlicePilot->setTLayerInfo(nalu.m_temporalId);
686
687#if SVC_EXTENSION
688#if VPS_EXTN_DIRECT_REF_LAYERS && M0457_PREDICTION_INDICATIONS
689  setRefLayerParams(m_apcSlicePilot->getVPS());
690#endif
691#if M0457_COL_PICTURE_SIGNALING
692  m_apcSlicePilot->setNumMotionPredRefLayers(m_numMotionPredRefLayers);
693#endif
694#if M0457_IL_SAMPLE_PRED_ONLY_FLAG
695  m_apcSlicePilot->setNumSamplePredRefLayers( getNumSamplePredRefLayers() );
696#endif
697  m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder[m_layerId]);
698#else
699  m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder);
700#endif
701
702#if HM12_RANDOM_ACCESS
703  // set POC for dependent slices in skipped pictures
704  if(m_apcSlicePilot->getDependentSliceSegmentFlag() && m_prevSliceSkipped) 
705  {
706    m_apcSlicePilot->setPOC(m_skippedPOC);
707  }
708#endif
709
710  // Skip pictures due to random access
711  if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay))
712  {
713#if HM12_RANDOM_ACCESS
714    m_prevSliceSkipped = true;
715    m_skippedPOC = m_apcSlicePilot->getPOC();
716#endif
717    return false;
718  }
719  // Skip TFD pictures associated with BLA/BLANT pictures
720  if (isSkipPictureForBLA(iPOCLastDisplay))
721  {
722#if HM12_RANDOM_ACCESS
723    m_prevSliceSkipped = true;
724    m_skippedPOC = m_apcSlicePilot->getPOC();
725#endif
726    return false;
727  }
728
729#if HM12_RANDOM_ACCESS
730  // clear previous slice skipped flag
731  m_prevSliceSkipped = false;
732#endif
733
734  // exit when a new picture is found
735#if SVC_EXTENSION
736  bNewPOC = (m_apcSlicePilot->getPOC()!= m_prevPOC);
737  if (m_apcSlicePilot->isNextSlice() && (bNewPOC || m_layerId!=m_uiPrevLayerId) && !m_bFirstSliceInSequence )
738  {
739    m_prevPOC = m_apcSlicePilot->getPOC();
740    curLayerId = m_uiPrevLayerId; 
741    m_uiPrevLayerId = m_layerId;
742    return true;
743  }
744#else
745  //we should only get a different poc for a new picture (with CTU address==0)
746  if (m_apcSlicePilot->isNextSlice() && m_apcSlicePilot->getPOC()!=m_prevPOC && !m_bFirstSliceInSequence && (!m_apcSlicePilot->getSliceCurStartCUAddr()==0))
747  {
748    printf ("Warning, the first slice of a picture might have been lost!\n");
749  }
750  // exit when a new picture is found
751  if (m_apcSlicePilot->isNextSlice() && (m_apcSlicePilot->getSliceCurStartCUAddr() == 0 && !m_bFirstSliceInPicture) && !m_bFirstSliceInSequence )
752  {
753    if (m_prevPOC >= m_pocRandomAccess)
754    {
755      m_prevPOC = m_apcSlicePilot->getPOC();
756      return true;
757    }
758    m_prevPOC = m_apcSlicePilot->getPOC();
759  }
760#endif
761  // actual decoding starts here
762  xActivateParameterSets();
763#if 0 // N0147_IRAP_ALIGN_FLAG Disabled for now!
764  //When cross_layer_irap_aligned_flag is equal to 0, num_extra_slice_header_bits >=1
765  if( m_layerId > 0 && m_apcSlicePilot->getVPS()->getCrossLayerIrapAlignFlag())
766    assert( m_apcSlicePilot->getPPS()->getNumExtraSliceHeaderBits() > 0);
767  //When cross_layer_irap_aligned_flag is equal to 1, the value of poc_reset_flag shall be equal to 0 
768  // to be added after poc_reset_flag is integrated.
769#endif
770
771#if REPN_FORMAT_IN_VPS
772  // Initialize ILRP if needed, only for the current layer 
773  // ILRP intialization should go along with activation of parameters sets,
774  // although activation of parameter sets itself need not be done for each and every slice!!!
775  xInitILRP(m_apcSlicePilot);
776#endif
777  if (m_apcSlicePilot->isNextSlice()) 
778  {
779    m_prevPOC = m_apcSlicePilot->getPOC();
780#if SVC_EXTENSION
781    curLayerId = m_layerId;
782    m_uiPrevLayerId = m_layerId;
783#endif
784  }
785  m_bFirstSliceInSequence = false;
786#if POC_RESET_FLAG
787  // This operation would do the following:
788  // 1. Update the other picture in the DPB. This should be done only for the first slice of the picture.
789  // 2. Update the value of m_pocCRA.
790  // 3. Reset the POC values at the decoder for the current picture to be zero.
791  // 4. update value of POCLastDisplay
792  if( m_apcSlicePilot->getPocResetFlag() )
793  {
794    if( m_apcSlicePilot->getSliceIdx() == 0 )
795    {
796      Int pocAdjustValue = m_apcSlicePilot->getPOC();
797
798      // If poc reset flag is set to 1, reset all POC for DPB -> basically do it for each slice in the picutre
799      TComList<TComPic*>::iterator  iterPic = m_cListPic.begin(); 
800
801      // Iterate through all picture in DPB
802      while( iterPic != m_cListPic.end() )
803      {
804        TComPic *dpbPic = *iterPic;
805        // Check if the picture pointed to by iterPic is either used for reference or
806        // needed for output, are in the same layer, and not the current picture.
807        if( /*  ( ( dpbPic->getSlice(0)->isReferenced() ) || ( dpbPic->getOutputMark() ) )
808            &&*/ ( dpbPic->getLayerId() == m_apcSlicePilot->getLayerId() )
809              && ( dpbPic->getReconMark() ) 
810          )
811        {
812          for(Int i = dpbPic->getNumAllocatedSlice()-1; i >= 0; i--)
813          {
814
815            TComSlice *slice = dpbPic->getSlice(i);
816            TComReferencePictureSet *rps = slice->getRPS();
817            slice->setPOC( slice->getPOC() - pocAdjustValue );
818
819            // Also adjust the POC value stored in the RPS of each such slice
820            for(Int j = rps->getNumberOfPictures(); j >= 0; j--)
821            {
822              rps->setPOC( j, rps->getPOC(j) - pocAdjustValue );
823            }
824            // Also adjust the value of refPOC
825            for(Int k = 0; k < 2; k++)  // For List 0 and List 1
826            {
827              RefPicList list = (k == 1) ? REF_PIC_LIST_1 : REF_PIC_LIST_0;
828              for(Int j = 0; j < slice->getNumRefIdx(list); j++)
829              {
830                slice->setRefPOC( slice->getRefPOC(list, j) - pocAdjustValue, list, j);
831              }
832            }
833          }
834        }
835        iterPic++;
836      }
837      // Update the value of pocCRA
838      m_pocCRA -= pocAdjustValue;
839      // Update value of POCLastDisplay
840      iPOCLastDisplay -= pocAdjustValue;
841    }
842    // Reset current poc for current slice and RPS
843    m_apcSlicePilot->setPOC( 0 );
844  }
845#endif
846  //detect lost reference picture and insert copy of earlier frame.
847  Int lostPoc;
848  while((lostPoc=m_apcSlicePilot->checkThatAllRefPicsAreAvailable(m_cListPic, m_apcSlicePilot->getRPS(), true, m_pocRandomAccess)) > 0)
849  {
850    xCreateLostPicture(lostPoc-1);
851  }
852  if (m_bFirstSliceInPicture)
853  {
854#if AVC_BASE
855    if( m_layerId == 1 && m_parameterSetManagerDecoder[0].getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
856    {
857      TComPic* pBLPic = (*m_ppcTDecTop[0]->getListPic()->begin());
858      fstream* pFile  = m_ppcTDecTop[0]->getBLReconFile();
859      UInt uiWidth    = pBLPic->getPicYuvRec()->getWidth();
860      UInt uiHeight   = pBLPic->getPicYuvRec()->getHeight();
861
862      if( pFile->good() )
863      {
864        UInt64 uiPos = (UInt64) m_apcSlicePilot->getPOC() * uiWidth * uiHeight * 3 / 2;
865
866        pFile->seekg((UInt)uiPos, ios::beg );
867
868        Pel* pPel = pBLPic->getPicYuvRec()->getLumaAddr();
869        UInt uiStride = pBLPic->getPicYuvRec()->getStride();
870        for( Int i = 0; i < uiHeight; i++ )
871        {
872          for( Int j = 0; j < uiWidth; j++ )
873          {
874            pPel[j] = pFile->get();
875          }
876          pPel += uiStride;
877        }
878
879        pPel = pBLPic->getPicYuvRec()->getCbAddr();
880        uiStride = pBLPic->getPicYuvRec()->getCStride();
881        for( Int i = 0; i < uiHeight/2; i++ )
882        {
883          for( Int j = 0; j < uiWidth/2; j++ )
884          {
885            pPel[j] = pFile->get();
886          }
887          pPel += uiStride;
888        }
889
890        pPel = pBLPic->getPicYuvRec()->getCrAddr();
891        uiStride = pBLPic->getPicYuvRec()->getCStride();
892        for( Int i = 0; i < uiHeight/2; i++ )
893        {
894          for( Int j = 0; j < uiWidth/2; j++ )
895          {
896            pPel[j] = pFile->get();
897          }
898          pPel += uiStride;
899        }
900      }
901    }
902#endif
903
904    // Buffer initialize for prediction.
905    m_cPrediction.initTempBuff();
906    m_apcSlicePilot->applyReferencePictureSet(m_cListPic, m_apcSlicePilot->getRPS());
907    //  Get a new picture buffer
908    xGetNewPicBuffer (m_apcSlicePilot, pcPic);
909
910    // transfer any SEI messages that have been received to the picture
911    pcPic->setSEIs(m_SEIs);
912    m_SEIs.clear();
913
914    // Recursive structure
915    m_cCuDecoder.create ( g_uiMaxCUDepth, g_uiMaxCUWidth, g_uiMaxCUHeight );
916#if SVC_EXTENSION
917    m_cCuDecoder.init   ( m_ppcTDecTop,&m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction, curLayerId );
918#else
919    m_cCuDecoder.init   ( &m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction );
920#endif
921    m_cTrQuant.init     ( g_uiMaxCUWidth, g_uiMaxCUHeight, m_apcSlicePilot->getSPS()->getMaxTrSize());
922
923    m_cSliceDecoder.create();
924  }
925  else
926  {
927    // Check if any new SEI has arrived
928    if(!m_SEIs.empty())
929    {
930      // Currently only decoding Unit SEI message occurring between VCL NALUs copied
931      SEIMessages &picSEI = pcPic->getSEIs();
932      SEIMessages decodingUnitInfos = extractSeisByType (m_SEIs, SEI::DECODING_UNIT_INFO);
933      picSEI.insert(picSEI.end(), decodingUnitInfos.begin(), decodingUnitInfos.end());
934      deleteSEIs(m_SEIs);
935    }
936  }
937 
938  //  Set picture slice pointer
939  TComSlice*  pcSlice = m_apcSlicePilot;
940  Bool bNextSlice     = pcSlice->isNextSlice();
941
942  UInt uiCummulativeTileWidth;
943  UInt uiCummulativeTileHeight;
944  UInt i, j, p;
945
946  //set NumColumnsMins1 and NumRowsMinus1
947  pcPic->getPicSym()->setNumColumnsMinus1( pcSlice->getPPS()->getNumColumnsMinus1() );
948  pcPic->getPicSym()->setNumRowsMinus1( pcSlice->getPPS()->getNumRowsMinus1() );
949
950  //create the TComTileArray
951  pcPic->getPicSym()->xCreateTComTileArray();
952
953  if( pcSlice->getPPS()->getUniformSpacingFlag() )
954  {
955    //set the width for each tile
956    for(j=0; j < pcPic->getPicSym()->getNumRowsMinus1()+1; j++)
957    {
958      for(p=0; p < pcPic->getPicSym()->getNumColumnsMinus1()+1; p++)
959      {
960        pcPic->getPicSym()->getTComTile( j * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + p )->
961          setTileWidth( (p+1)*pcPic->getPicSym()->getFrameWidthInCU()/(pcPic->getPicSym()->getNumColumnsMinus1()+1) 
962          - (p*pcPic->getPicSym()->getFrameWidthInCU())/(pcPic->getPicSym()->getNumColumnsMinus1()+1) );
963      }
964    }
965
966    //set the height for each tile
967    for(j=0; j < pcPic->getPicSym()->getNumColumnsMinus1()+1; j++)
968    {
969      for(p=0; p < pcPic->getPicSym()->getNumRowsMinus1()+1; p++)
970      {
971        pcPic->getPicSym()->getTComTile( p * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + j )->
972          setTileHeight( (p+1)*pcPic->getPicSym()->getFrameHeightInCU()/(pcPic->getPicSym()->getNumRowsMinus1()+1) 
973          - (p*pcPic->getPicSym()->getFrameHeightInCU())/(pcPic->getPicSym()->getNumRowsMinus1()+1) );   
974      }
975    }
976  }
977  else
978  {
979    //set the width for each tile
980    for(j=0; j < pcSlice->getPPS()->getNumRowsMinus1()+1; j++)
981    {
982      uiCummulativeTileWidth = 0;
983      for(i=0; i < pcSlice->getPPS()->getNumColumnsMinus1(); i++)
984      {
985        pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcSlice->getPPS()->getColumnWidth(i) );
986        uiCummulativeTileWidth += pcSlice->getPPS()->getColumnWidth(i);
987      }
988      pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcPic->getPicSym()->getFrameWidthInCU()-uiCummulativeTileWidth );
989    }
990
991    //set the height for each tile
992    for(j=0; j < pcSlice->getPPS()->getNumColumnsMinus1()+1; j++)
993    {
994      uiCummulativeTileHeight = 0;
995      for(i=0; i < pcSlice->getPPS()->getNumRowsMinus1(); i++)
996      { 
997        pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcSlice->getPPS()->getRowHeight(i) );
998        uiCummulativeTileHeight += pcSlice->getPPS()->getRowHeight(i);
999      }
1000      pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcPic->getPicSym()->getFrameHeightInCU()-uiCummulativeTileHeight );
1001    }
1002  }
1003
1004  pcPic->getPicSym()->xInitTiles();
1005
1006  //generate the Coding Order Map and Inverse Coding Order Map
1007  UInt uiEncCUAddr;
1008  for(i=0, uiEncCUAddr=0; i<pcPic->getPicSym()->getNumberOfCUsInFrame(); i++, uiEncCUAddr = pcPic->getPicSym()->xCalculateNxtCUAddr(uiEncCUAddr))
1009  {
1010    pcPic->getPicSym()->setCUOrderMap(i, uiEncCUAddr);
1011    pcPic->getPicSym()->setInverseCUOrderMap(uiEncCUAddr, i);
1012  }
1013  pcPic->getPicSym()->setCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
1014  pcPic->getPicSym()->setInverseCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
1015
1016  //convert the start and end CU addresses of the slice and dependent slice into encoding order
1017  pcSlice->setSliceSegmentCurStartCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurStartCUAddr()) );
1018  pcSlice->setSliceSegmentCurEndCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurEndCUAddr()) );
1019  if(pcSlice->isNextSlice())
1020  {
1021    pcSlice->setSliceCurStartCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurStartCUAddr()));
1022    pcSlice->setSliceCurEndCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurEndCUAddr()));
1023  }
1024
1025  if (m_bFirstSliceInPicture) 
1026  {
1027    if(pcPic->getNumAllocatedSlice() != 1)
1028    {
1029      pcPic->clearSliceBuffer();
1030    }
1031  }
1032  else
1033  {
1034    pcPic->allocateNewSlice();
1035  }
1036  assert(pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1));
1037  m_apcSlicePilot = pcPic->getPicSym()->getSlice(m_uiSliceIdx); 
1038  pcPic->getPicSym()->setSlice(pcSlice, m_uiSliceIdx);
1039
1040  pcPic->setTLayer(nalu.m_temporalId);
1041
1042#if SVC_EXTENSION
1043  pcPic->setLayerId(nalu.m_layerId);
1044  pcSlice->setLayerId(nalu.m_layerId);
1045#endif
1046
1047  if (bNextSlice)
1048  {
1049    pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_prevRAPisBLA, m_cListPic );
1050    // Set reference list
1051#if SVC_EXTENSION
1052    if (m_layerId == 0)
1053#endif
1054#if FIX1071
1055    pcSlice->setRefPicList( m_cListPic, true );
1056#else
1057    pcSlice->setRefPicList( m_cListPic );
1058#endif
1059
1060#if SVC_EXTENSION   
1061    if(m_layerId > 0)
1062    {
1063      for( i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ )
1064      {
1065        UInt refLayerIdc = pcSlice->getInterLayerPredLayerIdc(i);
1066#if AVC_BASE
1067        if( pcSlice->getVPS()->getRefLayerId( m_layerId, refLayerIdc ) == 0 && m_parameterSetManagerDecoder[0].getActiveVPS()->getAvcBaseLayerFlag() )
1068        {
1069          pcSlice->setBaseColPic ( refLayerIdc, *m_ppcTDecTop[0]->getListPic()->begin() );
1070#if AVC_SYNTAX
1071          TComPic* pBLPic = pcSlice->getBaseColPic(refLayerIdc);
1072          if( pcSlice->getPOC() == 0 )
1073          {
1074            // initialize partition order.
1075            UInt* piTmp = &g_auiZscanToRaster[0];
1076            initZscanToRaster( pBLPic->getPicSym()->getMaxDepth() + 1, 1, 0, piTmp );
1077            initRasterToZscan( pBLPic->getPicSym()->getMaxCUWidth(), pBLPic->getPicSym()->getMaxCUHeight(), pBLPic->getPicSym()->getMaxDepth() + 1 );
1078          }     
1079          pBLPic->getSlice( 0 )->initBaseLayerRPL( pcSlice );
1080          pBLPic->readBLSyntax( m_ppcTDecTop[0]->getBLSyntaxFile(), SYNTAX_BYTES );
1081#endif
1082        }
1083        else
1084        {
1085#if VPS_EXTN_DIRECT_REF_LAYERS
1086          TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1087#else
1088          TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1089#endif
1090          TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1091          pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1092        }
1093#else
1094#if VPS_EXTN_DIRECT_REF_LAYERS
1095        TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1096#else
1097        TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1098#endif
1099        TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1100        pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1101#endif
1102
1103#if SCALED_REF_LAYER_OFFSETS
1104        const Window &scalEL = pcSlice->getSPS()->getScaledRefLayerWindow(refLayerIdc);
1105
1106
1107        Int widthBL   = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec()->getWidth();
1108        Int heightBL  = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec()->getHeight();
1109
1110        Int widthEL   = pcPic->getPicYuvRec()->getWidth()  - scalEL.getWindowLeftOffset() - scalEL.getWindowRightOffset();
1111        Int heightEL  = pcPic->getPicYuvRec()->getHeight() - scalEL.getWindowTopOffset()  - scalEL.getWindowBottomOffset();
1112#else
1113        const Window &confBL = pcSlice->getBaseColPic()->getPicYuvRec()->getConformanceWindow();
1114        const Window &confEL = pcPic->getPicYuvRec()->getConformanceWindow();
1115
1116        Int widthBL   = pcSlice->getBaseColPic()->getPicYuvRec()->getWidth () - confBL.getWindowLeftOffset() - confBL.getWindowRightOffset();
1117        Int heightBL  = pcSlice->getBaseColPic()->getPicYuvRec()->getHeight() - confBL.getWindowTopOffset() - confBL.getWindowBottomOffset();
1118
1119        Int widthEL   = pcPic->getPicYuvRec()->getWidth() - confEL.getWindowLeftOffset() - confEL.getWindowRightOffset();
1120        Int heightEL  = pcPic->getPicYuvRec()->getHeight() - confEL.getWindowTopOffset() - confEL.getWindowBottomOffset();
1121#endif
1122        g_mvScalingFactor[refLayerIdc][0] = widthEL  == widthBL  ? 4096 : Clip3(-4096, 4095, ((widthEL  << 8) + (widthBL  >> 1)) / widthBL);
1123        g_mvScalingFactor[refLayerIdc][1] = heightEL == heightBL ? 4096 : Clip3(-4096, 4095, ((heightEL << 8) + (heightBL >> 1)) / heightBL);
1124
1125        g_posScalingFactor[refLayerIdc][0] = ((widthBL  << 16) + (widthEL  >> 1)) / widthEL;
1126        g_posScalingFactor[refLayerIdc][1] = ((heightBL << 16) + (heightEL >> 1)) / heightEL;
1127
1128#if SVC_UPSAMPLING
1129        if( pcPic->isSpatialEnhLayer(refLayerIdc) )
1130        {   
1131#if SCALED_REF_LAYER_OFFSETS
1132          m_cPrediction.upsampleBasePic( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec(), pcSlice->getSPS()->getScaledRefLayerWindow(refLayerIdc) );
1133#else
1134          m_cPrediction.upsampleBasePic( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec() );
1135#endif
1136        }
1137        else
1138        {
1139          pcPic->setFullPelBaseRec( refLayerIdc, pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec() );
1140        }
1141        pcSlice->setFullPelBaseRec ( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc) );
1142#endif
1143      }
1144    }
1145
1146    if( m_layerId > 0 && pcSlice->getActiveNumILRRefIdx() )
1147    {
1148      setILRPic(pcPic);
1149#if REF_IDX_MFM
1150#if M0457_COL_PICTURE_SIGNALING
1151      if( pcSlice->getMFMEnabledFlag() )
1152#else
1153      if( pcSlice->getSPS()->getMFMEnabledFlag() )
1154#endif
1155      {
1156        pcSlice->setRefPOCListILP(m_ppcTDecTop[m_layerId]->m_cIlpPic, pcSlice->getBaseColPic());
1157#if M0457_COL_PICTURE_SIGNALING && !REMOVE_COL_PICTURE_SIGNALING
1158        pcSlice->setMotionPredIlp(getMotionPredIlp(pcSlice));
1159#endif
1160      }
1161      pcSlice->setRefPicList( m_cListPic, false, m_cIlpPic);
1162    }
1163#if M0040_ADAPTIVE_RESOLUTION_CHANGE
1164    else if ( m_layerId > 0 )
1165    {
1166      pcSlice->setRefPicList( m_cListPic, false, NULL);
1167    }
1168#endif
1169#endif
1170
1171#endif //SVC_EXTENSION
1172
1173#if N0147_IRAP_ALIGN_FLAG
1174    if(  m_layerId > 0 && pcSlice->getVPS()->getCrossLayerIrapAlignFlag())
1175    {
1176      for( Int i = 0; i < pcPic->getSlice(0)->getActiveNumILRRefIdx(); i++ )
1177      {
1178        Int refLayerIdc = pcPic->getSlice(0)->getInterLayerPredLayerIdc(i);
1179
1180        if(m_cIlpPic[refLayerIdc] && m_cIlpPic[refLayerIdc]->getSlice(0)->isIRAP())
1181        {                 
1182          assert(pcSlice->getNalUnitType() == m_cIlpPic[refLayerIdc]->getSlice(0)->getNalUnitType());
1183      }
1184    }
1185    }
1186#endif
1187   
1188    // For generalized B
1189    // note: maybe not existed case (always L0 is copied to L1 if L1 is empty)
1190    if (pcSlice->isInterB() && pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0)
1191    {
1192      Int iNumRefIdx = pcSlice->getNumRefIdx(REF_PIC_LIST_0);
1193      pcSlice->setNumRefIdx        ( REF_PIC_LIST_1, iNumRefIdx );
1194
1195      for (Int iRefIdx = 0; iRefIdx < iNumRefIdx; iRefIdx++)
1196      {
1197        pcSlice->setRefPic(pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx), REF_PIC_LIST_1, iRefIdx);
1198      }
1199    }
1200    if (!pcSlice->isIntra())
1201    {
1202      Bool bLowDelay = true;
1203      Int  iCurrPOC  = pcSlice->getPOC();
1204      Int iRefIdx = 0;
1205
1206      for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_0) && bLowDelay; iRefIdx++)
1207      {
1208        if ( pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx)->getPOC() > iCurrPOC )
1209        {
1210          bLowDelay = false;
1211        }
1212      }
1213      if (pcSlice->isInterB())
1214      {
1215        for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_1) && bLowDelay; iRefIdx++)
1216        {
1217          if ( pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx)->getPOC() > iCurrPOC )
1218          {
1219            bLowDelay = false;
1220          }
1221        }       
1222      }
1223
1224      pcSlice->setCheckLDC(bLowDelay);           
1225    }
1226
1227    //---------------
1228    pcSlice->setRefPOCList();
1229  }
1230
1231  pcPic->setCurrSliceIdx(m_uiSliceIdx);
1232  if(pcSlice->getSPS()->getScalingListFlag())
1233  {
1234#if IL_SL_SIGNALLING_N0371
1235    pcSlice->getSPS()->getScalingList()->setLayerId( m_layerId );
1236#endif
1237
1238    pcSlice->setScalingList ( pcSlice->getSPS()->getScalingList()  );
1239
1240    if(pcSlice->getPPS()->getScalingListPresentFlag())
1241    {
1242#if IL_SL_SIGNALLING_N0371
1243      pcSlice->getPPS()->getScalingList()->setLayerId( m_layerId );
1244#endif
1245
1246      pcSlice->setScalingList ( pcSlice->getPPS()->getScalingList()  );
1247    }
1248    pcSlice->getScalingList()->setUseTransformSkip(pcSlice->getPPS()->getUseTransformSkip());
1249    if(!pcSlice->getPPS()->getScalingListPresentFlag() && !pcSlice->getSPS()->getScalingListPresentFlag())
1250    {
1251#if IL_SL_SIGNALLING_N0371
1252      pcSlice->setDefaultScalingList( m_layerId );
1253#else
1254      pcSlice->setDefaultScalingList();
1255#endif
1256    }
1257    m_cTrQuant.setScalingListDec(pcSlice->getScalingList());
1258    m_cTrQuant.setUseScalingList(true);
1259  }
1260  else
1261  {
1262#if IL_SL_SIGNALLING_N0371
1263    m_cTrQuant.setFlatScalingList( m_layerId );
1264#else
1265    m_cTrQuant.setFlatScalingList();
1266#endif
1267    m_cTrQuant.setUseScalingList(false);
1268  }
1269
1270  //  Decode a picture
1271  m_cGopDecoder.decompressSlice(nalu.m_Bitstream, pcPic);
1272
1273  m_bFirstSliceInPicture = false;
1274  m_uiSliceIdx++;
1275
1276  return false;
1277}
1278
1279Void TDecTop::xDecodeVPS()
1280{
1281  TComVPS* vps = new TComVPS();
1282 
1283  m_cEntropyDecoder.decodeVPS( vps );
1284#if SVC_EXTENSION
1285  m_parameterSetManagerDecoder[0].storePrefetchedVPS(vps);
1286#else
1287  m_parameterSetManagerDecoder.storePrefetchedVPS(vps); 
1288#endif
1289}
1290
1291Void TDecTop::xDecodeSPS()
1292{
1293  TComSPS* sps = new TComSPS();
1294#if SVC_EXTENSION
1295  sps->setLayerId(m_layerId);
1296#endif
1297
1298#if SPS_SUB_LAYER_INFO
1299  m_cEntropyDecoder.decodeSPS( sps, &m_parameterSetManagerDecoder[0] );
1300#else
1301  m_cEntropyDecoder.decodeSPS( sps );
1302#endif
1303#if SVC_EXTENSION
1304  m_parameterSetManagerDecoder[m_layerId].storePrefetchedSPS(sps);
1305#else
1306  m_parameterSetManagerDecoder.storePrefetchedSPS(sps);
1307#endif
1308#if SVC_EXTENSION
1309#if !REPN_FORMAT_IN_VPS   // ILRP can only be initialized at activation 
1310  if(m_numLayer>0)
1311  {
1312    xInitILRP(sps);
1313  }
1314#endif
1315#endif
1316}
1317
1318Void TDecTop::xDecodePPS()
1319{
1320  TComPPS* pps = new TComPPS();
1321
1322#if IL_SL_SIGNALLING_N0371
1323  pps->setLayerId(m_layerId);
1324#endif
1325
1326  m_cEntropyDecoder.decodePPS( pps );
1327#if SVC_EXTENSION
1328  m_parameterSetManagerDecoder[m_layerId].storePrefetchedPPS( pps );
1329#else
1330  m_parameterSetManagerDecoder.storePrefetchedPPS( pps );
1331#endif
1332
1333  if( pps->getDependentSliceSegmentsEnabledFlag() )
1334  {
1335    Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1;
1336    m_cSliceDecoder.initCtxMem(NumCtx);
1337    for ( UInt st = 0; st < NumCtx; st++ )
1338    {
1339      TDecSbac* ctx = NULL;
1340      ctx = new TDecSbac;
1341      ctx->init( &m_cBinCABAC );
1342      m_cSliceDecoder.setCtxMem( ctx, st );
1343    }
1344  }
1345}
1346
1347Void TDecTop::xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType )
1348{
1349#if SVC_EXTENSION
1350  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1351  {
1352#if RANDOM_ACCESS_SEI_FIX
1353    if (m_prevSliceSkipped) // No need to decode SEI messages of a skipped access unit
1354    {
1355      return;
1356    }
1357#endif
1358#if M0043_LAYERS_PRESENT_SEI
1359    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveVPS(), m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1360#else
1361    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1362#endif
1363  }
1364  else
1365  {
1366#if M0043_LAYERS_PRESENT_SEI
1367    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveVPS(), m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1368#else
1369    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder[m_layerId].getActiveSPS() );
1370#endif
1371    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1372    if (activeParamSets.size()>0)
1373    {
1374      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1375      m_parameterSetManagerDecoder[m_layerId].applyPrefetchedPS();
1376      assert(seiAps->activeSeqParamSetId.size()>0);
1377      if (! m_parameterSetManagerDecoder[m_layerId].activateSPSWithSEI(seiAps->activeSeqParamSetId[0] ))
1378      {
1379        printf ("Warning SPS activation with Active parameter set SEI failed");
1380      }
1381    }
1382  }
1383#else
1384  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1385  {
1386#if M0043_LAYERS_PRESENT_SEI
1387    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1388#else
1389    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1390#endif
1391  }
1392  else
1393  {
1394#if M0043_LAYERS_PRESENT_SEI
1395    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1396#else
1397    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1398#endif
1399    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1400    if (activeParamSets.size()>0)
1401    {
1402      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1403      m_parameterSetManagerDecoder.applyPrefetchedPS();
1404      assert(seiAps->activeSeqParamSetId.size()>0);
1405      if (! m_parameterSetManagerDecoder.activateSPSWithSEI(seiAps->activeSeqParamSetId[0] ))
1406      {
1407        printf ("Warning SPS activation with Active parameter set SEI failed");
1408      }
1409    }
1410  }
1411#endif
1412}
1413
1414#if SVC_EXTENSION
1415Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC)
1416#else
1417Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay)
1418#endif
1419{
1420  // Initialize entropy decoder
1421  m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder);
1422  m_cEntropyDecoder.setBitstream      (nalu.m_Bitstream);
1423
1424  switch (nalu.m_nalUnitType)
1425  {
1426    case NAL_UNIT_VPS:
1427#if VPS_NUH_LAYER_ID
1428      assert( nalu.m_layerId == 0 ); // Non-conforming bitstream. The value of nuh_layer_id of VPS NAL unit shall be equal to 0.
1429#endif
1430      xDecodeVPS();
1431#if AVC_BASE
1432      if( m_parameterSetManagerDecoder[0].getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1433      {
1434        if( !m_ppcTDecTop[0]->getBLReconFile()->good() )
1435        {
1436          printf( "Base layer YUV input reading error\n" );
1437          exit(EXIT_FAILURE);
1438        }       
1439#if AVC_SYNTAX
1440        if( !m_ppcTDecTop[0]->getBLSyntaxFile()->good() )
1441        {
1442          printf( "Base layer syntax input reading error\n" );
1443          exit(EXIT_FAILURE);
1444        }
1445#endif
1446      }
1447      else
1448      {
1449        TComList<TComPic*> *cListPic = m_ppcTDecTop[0]->getListPic();
1450        cListPic->clear();
1451      }
1452#endif
1453      return false;
1454     
1455    case NAL_UNIT_SPS:
1456      xDecodeSPS();
1457#if AVC_BASE
1458      if( m_parameterSetManagerDecoder[0].getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1459      {
1460        TComPic* pBLPic = (*m_ppcTDecTop[0]->getListPic()->begin());
1461        if( nalu.m_layerId == 1 && pBLPic->getPicYuvRec() == NULL )
1462        {
1463          // using EL SPS with spsId = 1
1464          TComSPS* sps = m_parameterSetManagerDecoder[nalu.m_layerId].getPrefetchedSPS(1);
1465          Int  numReorderPics[MAX_TLAYER];
1466          Window &conformanceWindow = sps->getConformanceWindow();
1467          Window defaultDisplayWindow = sps->getVuiParametersPresentFlag() ? sps->getVuiParameters()->getDefaultDisplayWindow() : Window();
1468#if SVC_UPSAMPLING
1469#if AVC_SYNTAX
1470
1471          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, sps, true);
1472#else
1473          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, NULL, true);
1474#endif
1475#else
1476          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), onformanceWindow, defaultDisplayWindow, numReorderPics, true);
1477#endif
1478        }
1479      }
1480#endif
1481      return false;
1482
1483    case NAL_UNIT_PPS:
1484      xDecodePPS();
1485      return false;
1486     
1487    case NAL_UNIT_PREFIX_SEI:
1488    case NAL_UNIT_SUFFIX_SEI:
1489      xDecodeSEI( nalu.m_Bitstream, nalu.m_nalUnitType );
1490      return false;
1491
1492    case NAL_UNIT_CODED_SLICE_TRAIL_R:
1493    case NAL_UNIT_CODED_SLICE_TRAIL_N:
1494    case NAL_UNIT_CODED_SLICE_TSA_R:
1495    case NAL_UNIT_CODED_SLICE_TSA_N:
1496    case NAL_UNIT_CODED_SLICE_STSA_R:
1497    case NAL_UNIT_CODED_SLICE_STSA_N:
1498    case NAL_UNIT_CODED_SLICE_BLA_W_LP:
1499    case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
1500    case NAL_UNIT_CODED_SLICE_BLA_N_LP:
1501    case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
1502    case NAL_UNIT_CODED_SLICE_IDR_N_LP:
1503    case NAL_UNIT_CODED_SLICE_CRA:
1504    case NAL_UNIT_CODED_SLICE_RADL_N:
1505    case NAL_UNIT_CODED_SLICE_RADL_R:
1506    case NAL_UNIT_CODED_SLICE_RASL_N:
1507    case NAL_UNIT_CODED_SLICE_RASL_R:
1508#if SVC_EXTENSION
1509      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, curLayerId, bNewPOC);
1510#else
1511      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay);
1512#endif
1513      break;
1514    default:
1515      assert (1);
1516  }
1517
1518  return false;
1519}
1520
1521/** Function for checking if picture should be skipped because of association with a previous BLA picture
1522 * \param iPOCLastDisplay POC of last picture displayed
1523 * \returns true if the picture should be skipped
1524 * This function skips all TFD pictures that follow a BLA picture
1525 * in decoding order and precede it in output order.
1526 */
1527Bool TDecTop::isSkipPictureForBLA(Int& iPOCLastDisplay)
1528{
1529  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))
1530  {
1531    iPOCLastDisplay++;
1532    return true;
1533  }
1534  return false;
1535}
1536
1537/** Function for checking if picture should be skipped because of random access
1538 * \param iSkipFrame skip frame counter
1539 * \param iPOCLastDisplay POC of last picture displayed
1540 * \returns true if the picture shold be skipped in the random access.
1541 * This function checks the skipping of pictures in the case of -s option random access.
1542 * All pictures prior to the random access point indicated by the counter iSkipFrame are skipped.
1543 * It also checks the type of Nal unit type at the random access point.
1544 * 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.
1545 * If the random access point is IDR all pictures after the random access point are decoded.
1546 * If the random access point is none of the above, a warning is issues, and decoding of pictures with POC
1547 * equal to or greater than the random access point POC is attempted. For non IDR/CRA/BLA random
1548 * access point there is no guarantee that the decoder will not crash.
1549 */
1550Bool TDecTop::isRandomAccessSkipPicture(Int& iSkipFrame,  Int& iPOCLastDisplay)
1551{
1552  if (iSkipFrame) 
1553  {
1554    iSkipFrame--;   // decrement the counter
1555    return true;
1556  }
1557  else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet.
1558  {
1559    if (   m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA
1560        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1561        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
1562        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL )
1563    {
1564      // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT.
1565      m_pocRandomAccess = m_apcSlicePilot->getPOC();
1566    }
1567    else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP )
1568    {
1569      m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable.
1570    }
1571    else 
1572    {
1573      static Bool warningMessage = false;
1574      if(!warningMessage)
1575      {
1576        printf("\nWarning: this is not a valid random access point and the data is discarded until the first CRA picture");
1577        warningMessage = true;
1578      }
1579      return true;
1580    }
1581  }
1582  // skip the reordered pictures, if necessary
1583  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))
1584  {
1585    iPOCLastDisplay++;
1586    return true;
1587  }
1588  // if we reach here, then the picture is not skipped.
1589  return false; 
1590}
1591
1592#if VPS_EXTN_DIRECT_REF_LAYERS
1593TDecTop* TDecTop::getRefLayerDec( UInt refLayerIdc )
1594{
1595  TComVPS* vps = m_parameterSetManagerDecoder[0].getActiveVPS();
1596  if( vps->getNumDirectRefLayers( m_layerId ) <= 0 )
1597  {
1598    return (TDecTop *)getLayerDec( 0 );
1599  }
1600 
1601  return (TDecTop *)getLayerDec( vps->getRefLayerId( m_layerId, refLayerIdc ) );
1602}
1603#endif
1604
1605#if VPS_EXTN_DIRECT_REF_LAYERS && M0457_PREDICTION_INDICATIONS
1606
1607Void TDecTop::setRefLayerParams( TComVPS* vps )
1608{
1609  for(UInt layer = 0; layer < m_numLayer; layer++)
1610  {
1611    TDecTop *decTop = (TDecTop *)getLayerDec(layer);
1612    decTop->setNumSamplePredRefLayers(0);
1613    decTop->setNumMotionPredRefLayers(0);
1614    decTop->setNumDirectRefLayers(0);
1615    for(Int i = 0; i < MAX_VPS_LAYER_ID_PLUS1; i++)
1616    {
1617      decTop->setSamplePredEnabledFlag(i, false);
1618      decTop->setMotionPredEnabledFlag(i, false);
1619      decTop->setSamplePredRefLayerId(i, 0);
1620      decTop->setMotionPredRefLayerId(i, 0);
1621    }
1622    for(Int j = 0; j < layer; j++)
1623    {
1624      if (vps->getDirectDependencyFlag(layer, j))
1625      {
1626        decTop->setRefLayerId(decTop->getNumDirectRefLayers(), vps->getLayerIdInNuh(layer));
1627        decTop->setNumDirectRefLayers(decTop->getNumDirectRefLayers() + 1);
1628
1629        Int samplePredEnabledFlag = (vps->getDirectDependencyType(layer, j) + 1) & 1;
1630        decTop->setSamplePredEnabledFlag(j, samplePredEnabledFlag == 1 ? true : false);
1631        decTop->setNumSamplePredRefLayers(decTop->getNumSamplePredRefLayers() + samplePredEnabledFlag);
1632
1633        Int motionPredEnabledFlag = ((vps->getDirectDependencyType(layer, j) + 1) & 2) >> 1;
1634        decTop->setMotionPredEnabledFlag(j, motionPredEnabledFlag == 1 ? true : false);
1635        decTop->setNumMotionPredRefLayers(decTop->getNumMotionPredRefLayers() + motionPredEnabledFlag);
1636      }
1637    }
1638  }
1639  for ( Int i = 1, mIdx = 0, sIdx = 0; i < m_numLayer; i++ )
1640  {
1641    Int iNuhLId = vps->getLayerIdInNuh(i);
1642    TDecTop *decTop = (TDecTop *)getLayerDec(iNuhLId);
1643    for ( Int j = 0; j < i; j++ )
1644    {
1645      if (decTop->getMotionPredEnabledFlag(j))
1646      {
1647        decTop->setMotionPredRefLayerId(mIdx++, vps->getLayerIdInNuh(j));
1648      }
1649      if (decTop->getSamplePredEnabledFlag(j))
1650      {
1651        decTop->setSamplePredRefLayerId(sIdx++, vps->getLayerIdInNuh(j));
1652      }
1653    }
1654  }
1655}
1656
1657#endif
1658
1659#if M0457_COL_PICTURE_SIGNALING && !REMOVE_COL_PICTURE_SIGNALING
1660TComPic* TDecTop::getMotionPredIlp(TComSlice* pcSlice)
1661{
1662  TComPic* ilpPic = NULL;
1663  Int activeMotionPredReflayerIdx = 0;
1664
1665  for( Int i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ )
1666  {
1667    UInt refLayerIdc = pcSlice->getInterLayerPredLayerIdc(i);
1668    if( getMotionPredEnabledFlag( pcSlice->getVPS()->getRefLayerId( m_layerId, refLayerIdc ) ) )
1669    {
1670      if (activeMotionPredReflayerIdx == pcSlice->getColRefLayerIdx())
1671      {
1672        ilpPic = m_cIlpPic[refLayerIdc];
1673        break;
1674      }
1675      else
1676      {
1677        activeMotionPredReflayerIdx++;
1678      }
1679    }
1680  }
1681
1682  assert(ilpPic != NULL);
1683
1684  return ilpPic;
1685}
1686#endif
1687
1688//! \}
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