source: SHVCSoftware/branches/SHM-5.0-dev/source/Lib/TLibDecoder/TDecTop.cpp @ 1115

Last change on this file since 1115 was 601, checked in by seregin, 11 years ago

remove global array for SaoMaxOffsetQVal

  • Property svn:eol-style set to native
File size: 80.5 KB
Line 
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) 2010-2014, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/** \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_associatedIRAPType = NAL_UNIT_INVALID;
60  m_pocCRA = 0;
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  m_prevSliceSkipped = false;
80  m_skippedPOC = 0;
81#if NO_CLRAS_OUTPUT_FLAG
82  m_noClrasOutputFlag          = false;
83  m_layerInitializedFlag       = false;
84  m_firstPicInLayerDecodedFlag = false;
85  m_noOutputOfPriorPicsFlags   = false;
86  m_bRefreshPending            = false;
87#endif
88#if RESOLUTION_BASED_DPB
89  m_subDpbIdx = -1;
90#endif
91}
92
93TDecTop::~TDecTop()
94{
95#if ENC_DEC_TRACE
96  fclose( g_hTrace );
97#endif
98}
99
100Void TDecTop::create()
101{
102#if SVC_EXTENSION
103  m_cGopDecoder.create( m_layerId );
104#else
105  m_cGopDecoder.create();
106#endif
107  m_apcSlicePilot = new TComSlice;
108  m_uiSliceIdx = 0;
109}
110
111Void TDecTop::destroy()
112{
113  m_cGopDecoder.destroy();
114 
115  delete m_apcSlicePilot;
116  m_apcSlicePilot = NULL;
117 
118  m_cSliceDecoder.destroy();
119#if SVC_EXTENSION
120  for(Int i=0; i<MAX_NUM_REF; i++)
121  {
122    if(m_cIlpPic[i])
123    {
124      m_cIlpPic[i]->destroy();
125      delete m_cIlpPic[i];
126      m_cIlpPic[i] = NULL;
127    }
128  }   
129#endif
130}
131
132Void TDecTop::init()
133{
134#if !SVC_EXTENSION
135  // initialize ROM
136  initROM();
137#endif
138#if SVC_EXTENSION
139  m_cGopDecoder.init( m_ppcTDecTop, &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO);
140  m_cSliceDecoder.init( &m_cEntropyDecoder, &m_cCuDecoder, m_cSAO.getSaoMaxOffsetQVal() );
141#else
142  m_cGopDecoder.init( &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO);
143  m_cSliceDecoder.init( &m_cEntropyDecoder, &m_cCuDecoder );
144#endif
145  m_cEntropyDecoder.init(&m_cPrediction);
146}
147
148#if SVC_EXTENSION
149#if !REPN_FORMAT_IN_VPS
150Void TDecTop::xInitILRP(TComSPS *pcSPS)
151#else
152Void TDecTop::xInitILRP(TComSlice *slice)
153#endif
154{
155#if REPN_FORMAT_IN_VPS
156  TComSPS* pcSPS = slice->getSPS();
157  Int bitDepthY   = slice->getBitDepthY();
158  Int bitDepthC   = slice->getBitDepthC();
159  Int picWidth    = slice->getPicWidthInLumaSamples();
160  Int picHeight   = slice->getPicHeightInLumaSamples();
161#endif
162  if(m_layerId>0)
163  {
164#if REPN_FORMAT_IN_VPS
165    g_bitDepthY     = bitDepthY;
166    g_bitDepthC     = bitDepthC;
167#else
168    g_bitDepthY     = pcSPS->getBitDepthY();
169    g_bitDepthC     = pcSPS->getBitDepthC();
170#endif
171    g_uiMaxCUWidth  = pcSPS->getMaxCUWidth();
172    g_uiMaxCUHeight = pcSPS->getMaxCUHeight();
173    g_uiMaxCUDepth  = pcSPS->getMaxCUDepth();
174    g_uiAddCUDepth  = max (0, pcSPS->getLog2MinCodingBlockSize() - (Int)pcSPS->getQuadtreeTULog2MinSize() );
175
176    Int  numReorderPics[MAX_TLAYER];
177    Window &conformanceWindow = pcSPS->getConformanceWindow();
178    Window defaultDisplayWindow = pcSPS->getVuiParametersPresentFlag() ? pcSPS->getVuiParameters()->getDefaultDisplayWindow() : Window();
179
180    for( Int temporalLayer=0; temporalLayer < MAX_TLAYER; temporalLayer++) 
181    {
182#if USE_DPB_SIZE_TABLE
183      if( getCommonDecoderParams()->getTargetOutputLayerSetIdx() == 0 )
184      {
185        assert( this->getLayerId() == 0 );
186        numReorderPics[temporalLayer] = pcSPS->getNumReorderPics(temporalLayer);
187      }
188      else
189      {
190        TComVPS *vps = slice->getVPS();
191        // SHM decoders will use DPB size table in the VPS to determine the number of reorder pictures.
192        numReorderPics[temporalLayer] = vps->getMaxVpsNumReorderPics( getCommonDecoderParams()->getTargetOutputLayerSetIdx() , temporalLayer);
193      }
194#else
195      numReorderPics[temporalLayer] = pcSPS->getNumReorderPics(temporalLayer);
196#endif
197    }
198
199    if (m_cIlpPic[0] == NULL)
200    {
201      for (Int j=0; j < m_numDirectRefLayers; j++)
202      {
203
204        m_cIlpPic[j] = new  TComPic;
205#if AUXILIARY_PICTURES
206#if REPN_FORMAT_IN_VPS
207#if SVC_UPSAMPLING
208        m_cIlpPic[j]->create(picWidth, picHeight, slice->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, pcSPS, true);
209#else
210        m_cIlpPic[j]->create(picWidth, picHeight, slice->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
211#endif
212#else
213#if SVC_UPSAMPLING
214        m_cIlpPic[j]->create(pcSPS->getPicWidthInLumaSamples(), pcSPS->getPicHeightInLumaSamples(), pcSPS->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, pcSPS, true);
215#else
216        m_cIlpPic[j]->create(pcSPS->getPicWidthInLumaSamples(), pcSPS->getPicHeightInLumaSamples(), pcSPS->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
217#endif
218#endif
219#else
220#if REPN_FORMAT_IN_VPS
221#if SVC_UPSAMPLING
222        m_cIlpPic[j]->create(picWidth, picHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, pcSPS, true);
223#else
224        m_cIlpPic[j]->create(picWidth, picHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
225#endif
226#else
227#if SVC_UPSAMPLING
228        m_cIlpPic[j]->create(pcSPS->getPicWidthInLumaSamples(), pcSPS->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, pcSPS, true);
229#else
230        m_cIlpPic[j]->create(pcSPS->getPicWidthInLumaSamples(), pcSPS->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
231#endif
232#endif
233#endif
234        for (Int i=0; i<m_cIlpPic[j]->getPicSym()->getNumberOfCUsInFrame(); i++)
235        {
236          m_cIlpPic[j]->getPicSym()->getCU(i)->initCU(m_cIlpPic[j], i);
237        }
238      }
239    }
240  }
241}
242#endif
243
244Void TDecTop::deletePicBuffer ( )
245{
246  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
247  Int iSize = Int( m_cListPic.size() );
248 
249  for (Int i = 0; i < iSize; i++ )
250  {
251    TComPic* pcPic = *(iterPic++);
252#if SVC_EXTENSION
253    if( pcPic )
254    {
255      pcPic->destroy();
256
257      delete pcPic;
258      pcPic = NULL;
259    }
260#else
261    pcPic->destroy();
262   
263    delete pcPic;
264    pcPic = NULL;
265#endif
266  }
267 
268  m_cSAO.destroy();
269 
270  m_cLoopFilter.        destroy();
271 
272#if !SVC_EXTENSION
273  // destroy ROM
274  destroyROM();
275#endif
276}
277
278Void TDecTop::xGetNewPicBuffer ( TComSlice* pcSlice, TComPic*& rpcPic )
279{
280  Int  numReorderPics[MAX_TLAYER];
281  Window &conformanceWindow = pcSlice->getSPS()->getConformanceWindow();
282  Window defaultDisplayWindow = pcSlice->getSPS()->getVuiParametersPresentFlag() ? pcSlice->getSPS()->getVuiParameters()->getDefaultDisplayWindow() : Window();
283
284  for( Int temporalLayer=0; temporalLayer < MAX_TLAYER; temporalLayer++) 
285  {
286#if USE_DPB_SIZE_TABLE
287    if( getCommonDecoderParams()->getTargetOutputLayerSetIdx() == 0 )
288    {
289      assert( this->getLayerId() == 0 );
290      numReorderPics[temporalLayer] = pcSlice->getSPS()->getNumReorderPics(temporalLayer);
291    }
292    else
293    {
294      TComVPS *vps = pcSlice->getVPS();
295      // SHM decoders will use DPB size table in the VPS to determine the number of reorder pictures.
296      numReorderPics[temporalLayer] = vps->getMaxVpsNumReorderPics( getCommonDecoderParams()->getTargetOutputLayerSetIdx() , temporalLayer);
297    }
298#else
299    numReorderPics[temporalLayer] = pcSlice->getSPS()->getNumReorderPics(temporalLayer);
300#endif
301  }
302
303#if USE_DPB_SIZE_TABLE
304  if( getCommonDecoderParams()->getTargetOutputLayerSetIdx() == 0 )
305  {
306    assert( this->getLayerId() == 0 );
307    m_iMaxRefPicNum = pcSlice->getSPS()->getMaxDecPicBuffering(pcSlice->getTLayer());     // m_uiMaxDecPicBuffering has the space for the picture currently being decoded
308  }
309  else
310  {
311#if RESOLUTION_BASED_DPB
312    Int layerSetIdxForOutputLayerSet = pcSlice->getVPS()->getOutputLayerSetIdx( getCommonDecoderParams()->getTargetOutputLayerSetIdx() );
313    Int layerIdx = pcSlice->getVPS()->findLayerIdxInLayerSet( layerSetIdxForOutputLayerSet, pcSlice->getLayerId() );  assert( layerIdx != -1 );
314    m_iMaxRefPicNum = pcSlice->getVPS()->getMaxVpsLayerDecPicBuffMinus1( getCommonDecoderParams()->getTargetOutputLayerSetIdx(), layerIdx, pcSlice->getTLayer() ) + 1; // m_uiMaxDecPicBuffering has the space for the picture currently being decoded
315#else
316    m_iMaxRefPicNum = pcSlice->getVPS()->getMaxVpsDecPicBufferingMinus1( getCommonDecoderParams()->getTargetOutputLayerSetIdx(), pcSlice->getLayerId(), pcSlice->getTLayer() ) + 1; // m_uiMaxDecPicBuffering has the space for the picture currently being decoded
317#endif
318  }
319#else
320  m_iMaxRefPicNum = pcSlice->getSPS()->getMaxDecPicBuffering(pcSlice->getTLayer());     // m_uiMaxDecPicBuffering has the space for the picture currently being decoded
321#endif
322
323#if SVC_EXTENSION
324  m_iMaxRefPicNum += 1; // it should be updated if more than 1 resampling picture is used
325#endif
326
327  if (m_cListPic.size() < (UInt)m_iMaxRefPicNum)
328  {
329    rpcPic = new TComPic();
330
331#if SVC_EXTENSION //Temporal solution, should be modified
332    if(m_layerId > 0)
333    {
334      for(UInt i = 0; i < pcSlice->getVPS()->getNumDirectRefLayers( m_layerId ); i++ )
335      {
336#if O0098_SCALED_REF_LAYER_ID
337        const Window scalEL = pcSlice->getSPS()->getScaledRefLayerWindowForLayer(pcSlice->getVPS()->getRefLayerId(m_layerId, i));
338#else
339        const Window scalEL = pcSlice->getSPS()->getScaledRefLayerWindow(i);
340#endif
341        Bool zeroOffsets = ( scalEL.getWindowLeftOffset() == 0 && scalEL.getWindowRightOffset() == 0 && scalEL.getWindowTopOffset() == 0 && scalEL.getWindowBottomOffset() == 0 );
342
343#if VPS_EXTN_DIRECT_REF_LAYERS
344        TDecTop *pcTDecTopBase = (TDecTop *)getRefLayerDec( i );
345#else
346        TDecTop *pcTDecTopBase = (TDecTop *)getLayerDec( m_layerId-1 );
347#endif
348        //TComPic*                      pcPic = *(pcTDecTopBase->getListPic()->begin());
349        TComPicYuv* pcPicYuvRecBase = (*(pcTDecTopBase->getListPic()->begin()))->getPicYuvRec(); 
350#if REPN_FORMAT_IN_VPS
351        if(pcPicYuvRecBase->getWidth() != pcSlice->getPicWidthInLumaSamples() || pcPicYuvRecBase->getHeight() != pcSlice->getPicHeightInLumaSamples() || !zeroOffsets )
352#else
353        if(pcPicYuvRecBase->getWidth() != pcSlice->getSPS()->getPicWidthInLumaSamples() || pcPicYuvRecBase->getHeight() != pcSlice->getSPS()->getPicHeightInLumaSamples() || !zeroOffsets )
354#endif
355        {
356          rpcPic->setSpatialEnhLayerFlag( i, true );
357
358          //only for scalable extension
359#if SCALABILITY_MASK_E0104
360          assert( pcSlice->getVPS()->getScalabilityMask(2) == true );
361#else
362          assert( pcSlice->getVPS()->getScalabilityMask(1) == true );
363#endif
364        }
365      }
366    }
367#endif
368   
369#if AUXILIARY_PICTURES
370#if REPN_FORMAT_IN_VPS
371#if SVC_UPSAMPLING
372    rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), pcSlice->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
373                     conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
374#else
375    rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), pcSlice->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
376                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
377#endif
378#else
379#if SVC_UPSAMPLING
380    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), pcSlice->getSPS()->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
381                     conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
382#else
383    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), pcSlice->getSPS()->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
384                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
385#endif
386#endif
387#else
388#if REPN_FORMAT_IN_VPS
389#if SVC_UPSAMPLING
390    rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
391                     conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
392#else
393    rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
394                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
395#endif
396#else
397#if SVC_UPSAMPLING
398    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
399                     conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
400#else
401    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
402                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
403#endif
404#endif
405#endif
406    m_cListPic.pushBack( rpcPic );
407   
408    return;
409  }
410 
411  Bool bBufferIsAvailable = false;
412  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
413  while (iterPic != m_cListPic.end())
414  {
415    rpcPic = *(iterPic++);
416    if ( rpcPic->getReconMark() == false && rpcPic->getOutputMark() == false)
417    {
418      rpcPic->setOutputMark(false);
419      bBufferIsAvailable = true;
420      break;
421    }
422
423    if ( rpcPic->getSlice( 0 )->isReferenced() == false  && rpcPic->getOutputMark() == false)
424    {
425#if !SVC_EXTENSION
426      rpcPic->setOutputMark(false);
427#endif
428      rpcPic->setReconMark( false );
429      rpcPic->getPicYuvRec()->setBorderExtension( false );
430      bBufferIsAvailable = true;
431      break;
432    }
433  }
434 
435  if ( !bBufferIsAvailable )
436  {
437    //There is no room for this picture, either because of faulty encoder or dropped NAL. Extend the buffer.
438    m_iMaxRefPicNum++;
439    rpcPic = new TComPic();
440    m_cListPic.pushBack( rpcPic );
441  }
442  rpcPic->destroy();
443
444#if AUXILIARY_PICTURES
445#if REPN_FORMAT_IN_VPS
446#if SVC_UPSAMPLING
447  rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), pcSlice->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
448                   conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
449
450#else
451  rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), pcSlice->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
452                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
453#endif
454#else
455#if SVC_UPSAMPLING
456  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), pcSlice->getSPS()->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
457                   conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
458
459#else
460  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), pcSlice->getSPS()->getChromaFormatIdc(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
461                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
462#endif
463#endif
464#else
465#if REPN_FORMAT_IN_VPS
466#if SVC_UPSAMPLING
467  rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
468                   conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
469
470#else
471  rpcPic->create ( pcSlice->getPicWidthInLumaSamples(), pcSlice->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
472                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
473#endif
474#else
475#if SVC_UPSAMPLING
476  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
477                   conformanceWindow, defaultDisplayWindow, numReorderPics, pcSlice->getSPS(), true);
478
479#else
480  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
481                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
482#endif
483#endif
484#endif
485}
486
487Void TDecTop::executeLoopFilters(Int& poc, TComList<TComPic*>*& rpcListPic)
488{
489  if (!m_pcPic)
490  {
491    /* nothing to deblock */
492    return;
493  }
494 
495  TComPic*&   pcPic         = m_pcPic;
496
497  // Execute Deblock + Cleanup
498
499  m_cGopDecoder.filterPicture(pcPic);
500
501#if SYNTAX_OUTPUT
502  pcPic->wrireBLSyntax( getBLSyntaxFile(), SYNTAX_BYTES );
503#endif
504  TComSlice::sortPicList( m_cListPic ); // sorting for application output
505  poc                 = pcPic->getSlice(m_uiSliceIdx-1)->getPOC();
506  rpcListPic          = &m_cListPic; 
507  m_cCuDecoder.destroy();       
508  m_bFirstSliceInPicture  = true;
509
510  return;
511}
512
513#if EARLY_REF_PIC_MARKING
514Void TDecTop::earlyPicMarking(Int maxTemporalLayer, std::vector<Int>& targetDecLayerIdSet)
515{
516  UInt currTid = m_pcPic->getTLayer();
517  UInt highestTid = (maxTemporalLayer >= 0) ? maxTemporalLayer : (m_pcPic->getSlice(0)->getSPS()->getMaxTLayers() - 1);
518  UInt latestDecLayerId = m_layerId;
519  UInt numTargetDecLayers = 0;
520  Int targetDecLayerIdList[MAX_LAYERS];
521  UInt latestDecIdx = 0;
522  TComSlice* pcSlice = m_pcPic->getSlice(0);
523
524  if ( currTid != highestTid )  // Marking  process is only applicaple for highest decoded TLayer
525  {
526    return;
527  }
528
529  // currPic must be marked as "used for reference" and must be a sub-layer non-reference picture
530  if ( !((pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N  ||
531          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N    ||
532          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N   ||
533          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N   ||
534          pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N   ||
535          pcSlice->getNalUnitType() == NAL_UNIT_RESERVED_VCL_N10     ||
536          pcSlice->getNalUnitType() == NAL_UNIT_RESERVED_VCL_N12     ||
537          pcSlice->getNalUnitType() == NAL_UNIT_RESERVED_VCL_N14) && pcSlice->isReferenced()))
538  {
539    return;
540  }
541
542  if ( targetDecLayerIdSet.size() == 0 ) // Cannot mark if we don't know the number of scalable layers
543  {
544    return;
545  }
546
547  for (std::vector<Int>::iterator it = targetDecLayerIdSet.begin(); it != targetDecLayerIdSet.end(); it++)
548  {
549    if ( latestDecLayerId == (*it) )
550    {
551      latestDecIdx = numTargetDecLayers;
552    }
553    targetDecLayerIdList[numTargetDecLayers++] = (*it);
554  }
555
556  Int remainingInterLayerReferencesFlag = 0;
557#if O0225_MAX_TID_FOR_REF_LAYERS
558  for ( Int j = latestDecIdx + 1; j < numTargetDecLayers; j++ )
559  {
560    Int jLidx = pcSlice->getVPS()->getLayerIdInVps(targetDecLayerIdList[j]);
561    if ( currTid <= pcSlice->getVPS()->getMaxTidIlRefPicsPlus1(latestDecLayerId,jLidx) - 1 )
562    {
563#else
564  if ( currTid <= pcSlice->getVPS()->getMaxTidIlRefPicsPlus1(latestDecLayerId) - 1 )
565  {
566    for ( Int j = latestDecIdx + 1; j < numTargetDecLayers; j++ )
567    {
568#endif
569      for ( Int k = 0; k < m_ppcTDecTop[targetDecLayerIdList[j]]->getNumDirectRefLayers(); k++ )
570      {
571        if ( latestDecIdx == m_ppcTDecTop[targetDecLayerIdList[j]]->getRefLayerId(k) )
572        {
573          remainingInterLayerReferencesFlag = 1;
574        }
575      }
576    }
577  }
578
579  if ( remainingInterLayerReferencesFlag == 0 )
580  {
581    pcSlice->setReferenced(false);
582  }
583}
584#endif
585
586Void TDecTop::xCreateLostPicture(Int iLostPoc) 
587{
588  printf("\ninserting lost poc : %d\n",iLostPoc);
589  TComSlice cFillSlice;
590  cFillSlice.setSPS( m_parameterSetManagerDecoder.getFirstSPS() );
591  cFillSlice.setPPS( m_parameterSetManagerDecoder.getFirstPPS() );
592#if SVC_EXTENSION
593  cFillSlice.setVPS( m_parameterSetManagerDecoder.getFirstVPS() );
594  cFillSlice.initSlice( m_layerId );
595#else
596  cFillSlice.initSlice();
597#endif
598  TComPic *cFillPic;
599  xGetNewPicBuffer(&cFillSlice,cFillPic);
600  cFillPic->getSlice(0)->setSPS( m_parameterSetManagerDecoder.getFirstSPS() );
601  cFillPic->getSlice(0)->setPPS( m_parameterSetManagerDecoder.getFirstPPS() );
602#if SVC_EXTENSION
603  cFillPic->getSlice(0)->setVPS( m_parameterSetManagerDecoder.getFirstVPS() );
604  cFillPic->getSlice(0)->initSlice( m_layerId );
605#else
606  cFillPic->getSlice(0)->initSlice();
607#endif
608 
609  TComList<TComPic*>::iterator iterPic = m_cListPic.begin();
610  Int closestPoc = 1000000;
611  while ( iterPic != m_cListPic.end())
612  {
613    TComPic * rpcPic = *(iterPic++);
614    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())
615    {
616      closestPoc=abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc);
617    }
618  }
619  iterPic = m_cListPic.begin();
620  while ( iterPic != m_cListPic.end())
621  {
622    TComPic *rpcPic = *(iterPic++);
623    if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)==closestPoc&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC())
624    {
625      printf("copying picture %d to %d (%d)\n",rpcPic->getPicSym()->getSlice(0)->getPOC() ,iLostPoc,m_apcSlicePilot->getPOC());
626      rpcPic->getPicYuvRec()->copyToPic(cFillPic->getPicYuvRec());
627      break;
628    }
629  }
630  cFillPic->setCurrSliceIdx(0);
631  for(Int i=0; i<cFillPic->getNumCUsInFrame(); i++) 
632  {
633    cFillPic->getCU(i)->initCU(cFillPic,i);
634  }
635  cFillPic->getSlice(0)->setReferenced(true);
636  cFillPic->getSlice(0)->setPOC(iLostPoc);
637  cFillPic->setReconMark(true);
638  cFillPic->setOutputMark(true);
639  if(m_pocRandomAccess == MAX_INT)
640  {
641    m_pocRandomAccess = iLostPoc;
642  }
643}
644
645
646Void TDecTop::xActivateParameterSets()
647{
648  m_parameterSetManagerDecoder.applyPrefetchedPS();
649 
650  TComPPS *pps = m_parameterSetManagerDecoder.getPPS(m_apcSlicePilot->getPPSId());
651  assert (pps != 0);
652
653  TComSPS *sps = m_parameterSetManagerDecoder.getSPS(pps->getSPSId());
654  assert (sps != 0);
655
656  if (false == m_parameterSetManagerDecoder.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP()))
657  {
658    printf ("Parameter set activation failed!");
659    assert (0);
660  }
661
662#if SCALINGLIST_INFERRING
663  // scaling list settings and checks
664  TComVPS *activeVPS = m_parameterSetManagerDecoder.getActiveVPS();
665  TComSPS *activeSPS = m_parameterSetManagerDecoder.getActiveSPS();
666  TComPPS *activePPS = m_parameterSetManagerDecoder.getActivePPS();
667
668  if( activeSPS->getInferScalingListFlag() )
669  {
670    UInt refLayerId = activeSPS->getScalingListRefLayerId();
671    TComSPS *refSps = m_ppcTDecTop[refLayerId]->getParameterSetManager()->getActiveSPS(); assert( refSps != NULL );
672
673    // When avc_base_layer_flag is equal to 1, it is a requirement of bitstream conformance that the value of sps_scaling_list_ref_layer_id shall be greater than 0
674    if( activeVPS->getAvcBaseLayerFlag() )
675    {
676      assert( refLayerId > 0 );
677    }
678
679    // It is a requirement of bitstream conformance that, when an SPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB and
680    // sps_infer_scaling_list_flag in the SPS is equal to 1, sps_infer_scaling_list_flag shall be equal to 0 for the SPS that is active for the layer with nuh_layer_id equal to sps_scaling_list_ref_layer_id
681    assert( refSps->getInferScalingListFlag() == false );
682
683    // It is a requirement of bitstream conformance that, when an SPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB,
684    // the layer with nuh_layer_id equal to sps_scaling_list_ref_layer_id shall be a direct or indirect reference layer of the layer with nuh_layer_id equal to nuhLayerIdB
685    assert( activeVPS->getRecursiveRefLayerFlag( activeSPS->getLayerId(), refLayerId ) == true );
686   
687    if( activeSPS->getScalingList() != refSps->getScalingList() )
688    {
689      // delete created instance of scaling list since it will be inferred
690      delete activeSPS->getScalingList();
691
692      // infer scaling list
693      activeSPS->setScalingList( refSps->getScalingList() );
694    }
695  }
696
697  if( activePPS->getInferScalingListFlag() )
698  {
699    UInt refLayerId = activePPS->getScalingListRefLayerId();
700    TComPPS *refPps = m_ppcTDecTop[refLayerId]->getParameterSetManager()->getActivePPS(); assert( refPps != NULL );
701
702    // When avc_base_layer_flag is equal to 1, it is a requirement of bitstream conformance that the value of sps_scaling_list_ref_layer_id shall be greater than 0
703    if( activeVPS->getAvcBaseLayerFlag() )
704    {
705      assert( refLayerId > 0 );
706    }
707
708    // It is a requirement of bitstream conformance that, when an PPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB and
709    // pps_infer_scaling_list_flag in the PPS is equal to 1, pps_infer_scaling_list_flag shall be equal to 0 for the PPS that is active for the layer with nuh_layer_id equal to pps_scaling_list_ref_layer_id
710    assert( refPps->getInferScalingListFlag() == false );
711
712    // It is a requirement of bitstream conformance that, when an PPS with nuh_layer_id equal to nuhLayerIdA is active for a layer with nuh_layer_id equal to nuhLayerIdB,
713    // the layer with nuh_layer_id equal to pps_scaling_list_ref_layer_id shall be a direct or indirect reference layer of the layer with nuh_layer_id equal to nuhLayerIdB
714    assert( activeVPS->getRecursiveRefLayerFlag( activePPS->getLayerId(), refLayerId ) == true );
715   
716    if( activePPS->getScalingList() != refPps->getScalingList() )
717    {
718      // delete created instance of scaling list since it will be inferred
719      delete activePPS->getScalingList();
720
721      // infer scaling list
722      activePPS->setScalingList( refPps->getScalingList() );
723    }
724
725  }
726#endif
727
728  if( pps->getDependentSliceSegmentsEnabledFlag() )
729  {
730    Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1;
731
732    if (m_cSliceDecoder.getCtxMemSize() != NumCtx)
733    {
734      m_cSliceDecoder.initCtxMem(NumCtx);
735      for ( UInt st = 0; st < NumCtx; st++ )
736      {
737        TDecSbac* ctx = NULL;
738        ctx = new TDecSbac;
739        ctx->init( &m_cBinCABAC );
740        m_cSliceDecoder.setCtxMem( ctx, st );
741      }
742    }
743  }
744
745  m_apcSlicePilot->setPPS(pps);
746  m_apcSlicePilot->setSPS(sps);
747  pps->setSPS(sps);
748#if REPN_FORMAT_IN_VPS
749  pps->setNumSubstreams(pps->getEntropyCodingSyncEnabledFlag() ? ((sps->getPicHeightInLumaSamples() + sps->getMaxCUHeight() - 1) / sps->getMaxCUHeight()) * (pps->getNumColumnsMinus1() + 1) : 1);
750#else
751  pps->setNumSubstreams(pps->getEntropyCodingSyncEnabledFlag() ? ((sps->getPicHeightInLumaSamples() + sps->getMaxCUHeight() - 1) / sps->getMaxCUHeight()) * (pps->getNumColumnsMinus1() + 1) : 1);
752#endif
753  pps->setMinCuDQPSize( sps->getMaxCUWidth() >> ( pps->getMaxCuDQPDepth()) );
754
755#if REPN_FORMAT_IN_VPS
756  g_bitDepthY     = m_apcSlicePilot->getBitDepthY();
757  g_bitDepthC     = m_apcSlicePilot->getBitDepthC();
758#else
759  g_bitDepthY     = sps->getBitDepthY();
760  g_bitDepthC     = sps->getBitDepthC();
761#endif
762  g_uiMaxCUWidth  = sps->getMaxCUWidth();
763  g_uiMaxCUHeight = sps->getMaxCUHeight();
764  g_uiMaxCUDepth  = sps->getMaxCUDepth();
765  g_uiAddCUDepth  = max (0, sps->getLog2MinCodingBlockSize() - (Int)sps->getQuadtreeTULog2MinSize() );
766
767  for (Int i = 0; i < sps->getLog2DiffMaxMinCodingBlockSize(); i++)
768  {
769    sps->setAMPAcc( i, sps->getUseAMP() );
770  }
771
772  for (Int i = sps->getLog2DiffMaxMinCodingBlockSize(); i < sps->getMaxCUDepth(); i++)
773  {
774    sps->setAMPAcc( i, 0 );
775  }
776
777  m_cSAO.destroy();
778#if REPN_FORMAT_IN_VPS
779#if AUXILIARY_PICTURES
780  m_cSAO.create( m_apcSlicePilot->getPicWidthInLumaSamples(), m_apcSlicePilot->getPicHeightInLumaSamples(), sps->getChromaFormatIdc(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth() );
781#else
782  m_cSAO.create( m_apcSlicePilot->getPicWidthInLumaSamples(), m_apcSlicePilot->getPicHeightInLumaSamples(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth() );
783#endif
784#else
785  m_cSAO.create( sps->getPicWidthInLumaSamples(), sps->getPicHeightInLumaSamples(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth() );
786#endif
787  m_cLoopFilter.create( sps->getMaxCUDepth() );
788}
789
790#if SVC_EXTENSION
791#if POC_RESET_FLAG
792Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int &iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC )
793#else
794Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC )
795#endif
796#else
797Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay )
798#endif
799{
800  TComPic*&   pcPic         = m_pcPic;
801#if SVC_EXTENSION
802#if NO_CLRAS_OUTPUT_FLAG
803  Bool bFirstSliceInSeq;
804#endif
805  m_apcSlicePilot->setVPS( m_parameterSetManagerDecoder.getPrefetchedVPS(0) );
806#if OUTPUT_LAYER_SET_INDEX
807  // Following check should go wherever the VPS is activated
808  checkValueOfTargetOutputLayerSetIdx( m_apcSlicePilot->getVPS());
809#endif
810#if RESOLUTION_BASED_DPB
811  // Following assignment should go wherever a new VPS is activated
812  assignSubDpbs(m_apcSlicePilot->getVPS());
813#endif
814  m_apcSlicePilot->initSlice( nalu.m_layerId );
815#else //SVC_EXTENSION
816  m_apcSlicePilot->initSlice();
817#endif
818
819  if (m_bFirstSliceInPicture)
820  {
821    m_uiSliceIdx     = 0;
822  }
823  else
824  {
825    m_apcSlicePilot->copySliceInfo( pcPic->getPicSym()->getSlice(m_uiSliceIdx-1) );
826  }
827  m_apcSlicePilot->setSliceIdx(m_uiSliceIdx);
828
829  m_apcSlicePilot->setNalUnitType(nalu.m_nalUnitType);
830  Bool nonReferenceFlag = (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N ||
831                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N   ||
832                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N  ||
833                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N  ||
834                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N);
835  m_apcSlicePilot->setTemporalLayerNonReferenceFlag(nonReferenceFlag);
836 
837  m_apcSlicePilot->setReferenced(true); // Putting this as true ensures that picture is referenced the first time it is in an RPS
838  m_apcSlicePilot->setTLayerInfo(nalu.m_temporalId);
839
840#if SVC_EXTENSION
841#if VPS_EXTN_DIRECT_REF_LAYERS
842  setRefLayerParams(m_apcSlicePilot->getVPS());
843#endif
844  m_apcSlicePilot->setNumMotionPredRefLayers(m_numMotionPredRefLayers);
845#endif
846  m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder);
847
848  // set POC for dependent slices in skipped pictures
849  if(m_apcSlicePilot->getDependentSliceSegmentFlag() && m_prevSliceSkipped) 
850  {
851    m_apcSlicePilot->setPOC(m_skippedPOC);
852  }
853
854  m_apcSlicePilot->setAssociatedIRAPPOC(m_pocCRA);
855  m_apcSlicePilot->setAssociatedIRAPType(m_associatedIRAPType);
856
857  // Skip pictures due to random access
858  if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay))
859  {
860    m_prevSliceSkipped = true;
861    m_skippedPOC = m_apcSlicePilot->getPOC();
862    return false;
863  }
864  // Skip TFD pictures associated with BLA/BLANT pictures
865  if (isSkipPictureForBLA(iPOCLastDisplay))
866  {
867    m_prevSliceSkipped = true;
868    m_skippedPOC = m_apcSlicePilot->getPOC();
869    return false;
870  }
871
872  // clear previous slice skipped flag
873  m_prevSliceSkipped = false;
874
875  // exit when a new picture is found
876#if SVC_EXTENSION
877  bNewPOC = (m_apcSlicePilot->getPOC()!= m_prevPOC);
878  if (m_apcSlicePilot->isNextSlice() && (bNewPOC || m_layerId!=m_uiPrevLayerId) && !m_bFirstSliceInSequence )
879  {
880    m_prevPOC = m_apcSlicePilot->getPOC();
881    curLayerId = m_uiPrevLayerId; 
882    m_uiPrevLayerId = m_layerId;
883    return true;
884  }
885#else
886  //we should only get a different poc for a new picture (with CTU address==0)
887  if (m_apcSlicePilot->isNextSlice() && m_apcSlicePilot->getPOC()!=m_prevPOC && !m_bFirstSliceInSequence && (!m_apcSlicePilot->getSliceCurStartCUAddr()==0))
888  {
889    printf ("Warning, the first slice of a picture might have been lost!\n");
890  }
891  // exit when a new picture is found
892  if (m_apcSlicePilot->isNextSlice() && (m_apcSlicePilot->getSliceCurStartCUAddr() == 0 && !m_bFirstSliceInPicture) && !m_bFirstSliceInSequence )
893  {
894    if (m_prevPOC >= m_pocRandomAccess)
895    {
896      m_prevPOC = m_apcSlicePilot->getPOC();
897      return true;
898    }
899    m_prevPOC = m_apcSlicePilot->getPOC();
900  }
901#endif
902  // actual decoding starts here
903  xActivateParameterSets();
904#if !O0223_O0139_IRAP_ALIGN_NO_CONTRAINTS && N0147_IRAP_ALIGN_FLAG
905  //Note setting O0223_O0139_IRAP_ALIGN_NO_CONTRAINTS to 0 may cause decoder to crash.
906  //When cross_layer_irap_aligned_flag is equal to 0, num_extra_slice_header_bits >=1
907  if(!m_apcSlicePilot->getVPS()->getCrossLayerIrapAlignFlag() )
908  {
909    assert( m_apcSlicePilot->getPPS()->getNumExtraSliceHeaderBits() > 0);
910  }
911  //When cross_layer_irap_aligned_flag is equal to 1, the value of poc_reset_flag shall be equal to 0 
912  if( m_apcSlicePilot->getVPS()->getCrossLayerIrapAlignFlag() )
913  {
914    assert( m_apcSlicePilot->getPocResetFlag() == 0);
915  }
916#endif
917#if REPN_FORMAT_IN_VPS
918  // Initialize ILRP if needed, only for the current layer 
919  // ILRP intialization should go along with activation of parameters sets,
920  // although activation of parameter sets itself need not be done for each and every slice!!!
921  xInitILRP(m_apcSlicePilot);
922#endif
923  if (m_apcSlicePilot->isNextSlice()) 
924  {
925    m_prevPOC = m_apcSlicePilot->getPOC();
926#if SVC_EXTENSION
927    curLayerId = m_layerId;
928    m_uiPrevLayerId = m_layerId;
929#endif
930  }
931#if NO_CLRAS_OUTPUT_FLAG
932  bFirstSliceInSeq = m_bFirstSliceInSequence;
933#endif
934  m_bFirstSliceInSequence = false;
935#if POC_RESET_FLAG
936  // This operation would do the following:
937  // 1. Update the other picture in the DPB. This should be done only for the first slice of the picture.
938  // 2. Update the value of m_pocCRA.
939  // 3. Reset the POC values at the decoder for the current picture to be zero.
940  // 4. update value of POCLastDisplay
941  if( m_apcSlicePilot->getPocResetFlag() )
942  {
943    if( m_apcSlicePilot->getSliceIdx() == 0 )
944    {
945      Int pocAdjustValue = m_apcSlicePilot->getPOC();
946
947#if PREVTID0_POC_RESET
948      m_apcSlicePilot->adjustPrevTid0POC(pocAdjustValue);
949#endif
950      // If poc reset flag is set to 1, reset all POC for DPB -> basically do it for each slice in the picutre
951      TComList<TComPic*>::iterator  iterPic = m_cListPic.begin(); 
952
953      // Iterate through all picture in DPB
954      while( iterPic != m_cListPic.end() )
955      {
956        TComPic *dpbPic = *iterPic;
957        // Check if the picture pointed to by iterPic is either used for reference or
958        // needed for output, are in the same layer, and not the current picture.
959        if( /*  ( ( dpbPic->getSlice(0)->isReferenced() ) || ( dpbPic->getOutputMark() ) )
960            &&*/ ( dpbPic->getLayerId() == m_apcSlicePilot->getLayerId() )
961              && ( dpbPic->getReconMark() ) 
962          )
963        {
964          for(Int i = dpbPic->getNumAllocatedSlice()-1; i >= 0; i--)
965          {
966
967            TComSlice *slice = dpbPic->getSlice(i);
968            TComReferencePictureSet *rps = slice->getRPS();
969            slice->setPOC( slice->getPOC() - pocAdjustValue );
970
971            // Also adjust the POC value stored in the RPS of each such slice
972            for(Int j = rps->getNumberOfPictures(); j >= 0; j--)
973            {
974              rps->setPOC( j, rps->getPOC(j) - pocAdjustValue );
975            }
976            // Also adjust the value of refPOC
977            for(Int k = 0; k < 2; k++)  // For List 0 and List 1
978            {
979              RefPicList list = (k == 1) ? REF_PIC_LIST_1 : REF_PIC_LIST_0;
980              for(Int j = 0; j < slice->getNumRefIdx(list); j++)
981              {
982                slice->setRefPOC( slice->getRefPOC(list, j) - pocAdjustValue, list, j);
983              }
984            }
985          }
986        }
987        iterPic++;
988      }
989      // Update the value of pocCRA
990      m_pocCRA -= pocAdjustValue;
991      // Update value of POCLastDisplay
992      iPOCLastDisplay -= pocAdjustValue;
993    }
994    // Reset current poc for current slice and RPS
995    m_apcSlicePilot->setPOC( 0 );
996  }
997#endif
998#if ALIGN_TSA_STSA_PICS
999  if( m_apcSlicePilot->getLayerId() > 0 )
1000  {
1001    // Check for TSA alignment
1002    if( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N ||
1003        m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_R
1004         )
1005    {
1006      for(Int dependentLayerIdx = 0; dependentLayerIdx < m_apcSlicePilot->getVPS()->getNumDirectRefLayers(m_layerId); dependentLayerIdx++)
1007      {
1008        TComList<TComPic*> *cListPic = getRefLayerDec( dependentLayerIdx )->getListPic();
1009        TComPic* refpicLayer = m_apcSlicePilot->getRefPic(*cListPic, m_apcSlicePilot->getPOC() );
1010        if( refpicLayer )
1011        {
1012          assert( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N ||
1013                    m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_R );    // TSA pictures should be aligned among depenedent layers
1014        } 
1015      }
1016    }
1017    // Check for STSA alignment
1018    if( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N ||
1019         m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_R
1020         )
1021    {
1022      for(Int dependentLayerIdx = 0; dependentLayerIdx < m_apcSlicePilot->getVPS()->getNumDirectRefLayers(m_layerId); dependentLayerIdx++)
1023      {
1024        TComList<TComPic*> *cListPic = getRefLayerDec( dependentLayerIdx )->getListPic();
1025        TComPic* refpicLayer = m_apcSlicePilot->getRefPic(*cListPic, m_apcSlicePilot->getPOC() ); // STSA pictures should be aligned among dependent layers
1026        if( refpicLayer )
1027
1028        {
1029          assert( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N ||
1030                    m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_R );
1031        }
1032      }
1033    }
1034  }
1035#endif
1036  //detect lost reference picture and insert copy of earlier frame.
1037  Int lostPoc;
1038  while((lostPoc=m_apcSlicePilot->checkThatAllRefPicsAreAvailable(m_cListPic, m_apcSlicePilot->getRPS(), true, m_pocRandomAccess)) > 0)
1039  {
1040    xCreateLostPicture(lostPoc-1);
1041  }
1042  if (m_bFirstSliceInPicture)
1043  {
1044#if AVC_BASE
1045    if( m_layerId == 1 && m_parameterSetManagerDecoder.getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1046    {
1047      TComPic* pBLPic = (*m_ppcTDecTop[0]->getListPic()->begin());
1048      pBLPic->getSlice(0)->setReferenced(true);
1049      fstream* pFile  = m_ppcTDecTop[0]->getBLReconFile();
1050      UInt uiWidth    = pBLPic->getPicYuvRec()->getWidth();
1051      UInt uiHeight   = pBLPic->getPicYuvRec()->getHeight();
1052
1053      if( pFile->good() )
1054      {
1055        UInt64 uiPos = (UInt64) m_apcSlicePilot->getPOC() * uiWidth * uiHeight * 3 / 2;
1056
1057        pFile->seekg((UInt)uiPos, ios::beg );
1058
1059        Pel* pPel = pBLPic->getPicYuvRec()->getLumaAddr();
1060        UInt uiStride = pBLPic->getPicYuvRec()->getStride();
1061        for( Int i = 0; i < uiHeight; i++ )
1062        {
1063          for( Int j = 0; j < uiWidth; j++ )
1064          {
1065            pPel[j] = pFile->get();
1066          }
1067          pPel += uiStride;
1068        }
1069
1070        pPel = pBLPic->getPicYuvRec()->getCbAddr();
1071        uiStride = pBLPic->getPicYuvRec()->getCStride();
1072        for( Int i = 0; i < uiHeight/2; i++ )
1073        {
1074          for( Int j = 0; j < uiWidth/2; j++ )
1075          {
1076            pPel[j] = pFile->get();
1077          }
1078          pPel += uiStride;
1079        }
1080
1081        pPel = pBLPic->getPicYuvRec()->getCrAddr();
1082        uiStride = pBLPic->getPicYuvRec()->getCStride();
1083        for( Int i = 0; i < uiHeight/2; i++ )
1084        {
1085          for( Int j = 0; j < uiWidth/2; j++ )
1086          {
1087            pPel[j] = pFile->get();
1088          }
1089          pPel += uiStride;
1090        }
1091      }
1092    }
1093#endif
1094
1095#if NO_CLRAS_OUTPUT_FLAG
1096    if (m_layerId == 0 &&
1097        (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1098      || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
1099      || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
1100      || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL
1101      || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP
1102      || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA))
1103    {
1104      if (bFirstSliceInSeq)
1105      {
1106        setNoClrasOutputFlag(true);
1107      }
1108      else if (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1109            || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
1110            || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP)
1111      {
1112        setNoClrasOutputFlag(true);
1113      }
1114#if O0149_CROSS_LAYER_BLA_FLAG
1115      else if ((m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP) &&
1116               m_apcSlicePilot->getCrossLayerBLAFlag())
1117      {
1118        setNoClrasOutputFlag(true);
1119      }
1120#endif
1121      else
1122      {
1123        setNoClrasOutputFlag(false);
1124      }
1125      if (getNoClrasOutputFlag())
1126      {
1127        for (UInt i = 0; i < m_apcSlicePilot->getVPS()->getMaxLayers(); i++)
1128        {
1129          m_ppcTDecTop[i]->setLayerInitializedFlag(false);
1130          m_ppcTDecTop[i]->setFirstPicInLayerDecodedFlag(false);
1131        }
1132      }
1133    }
1134#endif
1135
1136#if NO_CLRAS_OUTPUT_FLAG
1137    m_apcSlicePilot->decodingRefreshMarking(m_pocCRA, m_bRefreshPending, m_cListPic, getNoClrasOutputFlag());
1138#endif
1139
1140    // Buffer initialize for prediction.
1141    m_cPrediction.initTempBuff();
1142    m_apcSlicePilot->applyReferencePictureSet(m_cListPic, m_apcSlicePilot->getRPS());
1143    //  Get a new picture buffer
1144    xGetNewPicBuffer (m_apcSlicePilot, pcPic);
1145
1146    Bool isField = false;
1147    Bool isTff = false;
1148   
1149    if(!m_SEIs.empty())
1150    {
1151      // Check if any new Picture Timing SEI has arrived
1152      SEIMessages pictureTimingSEIs = extractSeisByType (m_SEIs, SEI::PICTURE_TIMING);
1153      if (pictureTimingSEIs.size()>0)
1154      {
1155        SEIPictureTiming* pictureTiming = (SEIPictureTiming*) *(pictureTimingSEIs.begin());
1156        isField = (pictureTiming->m_picStruct == 1) || (pictureTiming->m_picStruct == 2);
1157        isTff =  (pictureTiming->m_picStruct == 1);
1158      }
1159    }
1160   
1161    //Set Field/Frame coding mode
1162    m_pcPic->setField(isField);
1163    m_pcPic->setTopField(isTff);
1164
1165    // transfer any SEI messages that have been received to the picture
1166    pcPic->setSEIs(m_SEIs);
1167    m_SEIs.clear();
1168
1169    // Recursive structure
1170    m_cCuDecoder.create ( g_uiMaxCUDepth, g_uiMaxCUWidth, g_uiMaxCUHeight );
1171#if SVC_EXTENSION
1172    m_cCuDecoder.init   ( m_ppcTDecTop,&m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction, curLayerId );
1173#else
1174    m_cCuDecoder.init   ( &m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction );
1175#endif
1176    m_cTrQuant.init     ( g_uiMaxCUWidth, g_uiMaxCUHeight, m_apcSlicePilot->getSPS()->getMaxTrSize());
1177
1178    m_cSliceDecoder.create();
1179  }
1180  else
1181  {
1182    // Check if any new SEI has arrived
1183    if(!m_SEIs.empty())
1184    {
1185      // Currently only decoding Unit SEI message occurring between VCL NALUs copied
1186      SEIMessages &picSEI = pcPic->getSEIs();
1187      SEIMessages decodingUnitInfos = extractSeisByType (m_SEIs, SEI::DECODING_UNIT_INFO);
1188      picSEI.insert(picSEI.end(), decodingUnitInfos.begin(), decodingUnitInfos.end());
1189      deleteSEIs(m_SEIs);
1190    }
1191  }
1192 
1193  //  Set picture slice pointer
1194  TComSlice*  pcSlice = m_apcSlicePilot;
1195  Bool bNextSlice     = pcSlice->isNextSlice();
1196
1197  UInt uiCummulativeTileWidth;
1198  UInt uiCummulativeTileHeight;
1199  UInt i, j, p;
1200
1201  //set NumColumnsMins1 and NumRowsMinus1
1202  pcPic->getPicSym()->setNumColumnsMinus1( pcSlice->getPPS()->getNumColumnsMinus1() );
1203  pcPic->getPicSym()->setNumRowsMinus1( pcSlice->getPPS()->getNumRowsMinus1() );
1204
1205  //create the TComTileArray
1206  pcPic->getPicSym()->xCreateTComTileArray();
1207
1208  if( pcSlice->getPPS()->getUniformSpacingFlag() )
1209  {
1210    //set the width for each tile
1211    for(j=0; j < pcPic->getPicSym()->getNumRowsMinus1()+1; j++)
1212    {
1213      for(p=0; p < pcPic->getPicSym()->getNumColumnsMinus1()+1; p++)
1214      {
1215        pcPic->getPicSym()->getTComTile( j * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + p )->
1216          setTileWidth( (p+1)*pcPic->getPicSym()->getFrameWidthInCU()/(pcPic->getPicSym()->getNumColumnsMinus1()+1) 
1217          - (p*pcPic->getPicSym()->getFrameWidthInCU())/(pcPic->getPicSym()->getNumColumnsMinus1()+1) );
1218      }
1219    }
1220
1221    //set the height for each tile
1222    for(j=0; j < pcPic->getPicSym()->getNumColumnsMinus1()+1; j++)
1223    {
1224      for(p=0; p < pcPic->getPicSym()->getNumRowsMinus1()+1; p++)
1225      {
1226        pcPic->getPicSym()->getTComTile( p * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + j )->
1227          setTileHeight( (p+1)*pcPic->getPicSym()->getFrameHeightInCU()/(pcPic->getPicSym()->getNumRowsMinus1()+1) 
1228          - (p*pcPic->getPicSym()->getFrameHeightInCU())/(pcPic->getPicSym()->getNumRowsMinus1()+1) );   
1229      }
1230    }
1231  }
1232  else
1233  {
1234    //set the width for each tile
1235    for(j=0; j < pcSlice->getPPS()->getNumRowsMinus1()+1; j++)
1236    {
1237      uiCummulativeTileWidth = 0;
1238      for(i=0; i < pcSlice->getPPS()->getNumColumnsMinus1(); i++)
1239      {
1240        pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcSlice->getPPS()->getColumnWidth(i) );
1241        uiCummulativeTileWidth += pcSlice->getPPS()->getColumnWidth(i);
1242      }
1243      pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcPic->getPicSym()->getFrameWidthInCU()-uiCummulativeTileWidth );
1244    }
1245
1246    //set the height for each tile
1247    for(j=0; j < pcSlice->getPPS()->getNumColumnsMinus1()+1; j++)
1248    {
1249      uiCummulativeTileHeight = 0;
1250      for(i=0; i < pcSlice->getPPS()->getNumRowsMinus1(); i++)
1251      { 
1252        pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcSlice->getPPS()->getRowHeight(i) );
1253        uiCummulativeTileHeight += pcSlice->getPPS()->getRowHeight(i);
1254      }
1255      pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcPic->getPicSym()->getFrameHeightInCU()-uiCummulativeTileHeight );
1256    }
1257  }
1258
1259  pcPic->getPicSym()->xInitTiles();
1260
1261  //generate the Coding Order Map and Inverse Coding Order Map
1262  UInt uiEncCUAddr;
1263  for(i=0, uiEncCUAddr=0; i<pcPic->getPicSym()->getNumberOfCUsInFrame(); i++, uiEncCUAddr = pcPic->getPicSym()->xCalculateNxtCUAddr(uiEncCUAddr))
1264  {
1265    pcPic->getPicSym()->setCUOrderMap(i, uiEncCUAddr);
1266    pcPic->getPicSym()->setInverseCUOrderMap(uiEncCUAddr, i);
1267  }
1268  pcPic->getPicSym()->setCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
1269  pcPic->getPicSym()->setInverseCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
1270
1271  //convert the start and end CU addresses of the slice and dependent slice into encoding order
1272  pcSlice->setSliceSegmentCurStartCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurStartCUAddr()) );
1273  pcSlice->setSliceSegmentCurEndCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurEndCUAddr()) );
1274  if(pcSlice->isNextSlice())
1275  {
1276    pcSlice->setSliceCurStartCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurStartCUAddr()));
1277    pcSlice->setSliceCurEndCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurEndCUAddr()));
1278  }
1279
1280  if (m_bFirstSliceInPicture) 
1281  {
1282    if(pcPic->getNumAllocatedSlice() != 1)
1283    {
1284      pcPic->clearSliceBuffer();
1285    }
1286  }
1287  else
1288  {
1289    pcPic->allocateNewSlice();
1290  }
1291  assert(pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1));
1292  m_apcSlicePilot = pcPic->getPicSym()->getSlice(m_uiSliceIdx); 
1293  pcPic->getPicSym()->setSlice(pcSlice, m_uiSliceIdx);
1294
1295  pcPic->setTLayer(nalu.m_temporalId);
1296
1297#if SVC_EXTENSION
1298  pcPic->setLayerId(nalu.m_layerId);
1299  pcSlice->setLayerId(nalu.m_layerId);
1300  pcSlice->setPic(pcPic);
1301#endif
1302
1303  if (bNextSlice)
1304  {
1305    pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_associatedIRAPType, m_cListPic );
1306    // Set reference list
1307#if SVC_EXTENSION
1308    if (m_layerId == 0)
1309#endif
1310    pcSlice->setRefPicList( m_cListPic, true );
1311
1312#if SVC_EXTENSION
1313    // Create upsampling reference layer pictures for all possible dependent layers and do it only once for the first slice.
1314    // Other slices might choose which reference pictures to be used for inter-layer prediction
1315    if( m_layerId > 0 && m_uiSliceIdx == 0 )
1316    {     
1317#if M0040_ADAPTIVE_RESOLUTION_CHANGE
1318      if( !pcSlice->getVPS()->getSingleLayerForNonIrapFlag() || ( pcSlice->getVPS()->getSingleLayerForNonIrapFlag() && pcSlice->isIRAP() ) )
1319#endif
1320      for( i = 0; i < pcSlice->getNumILRRefIdx(); i++ )
1321      {
1322        UInt refLayerIdc = i;
1323#if AVC_BASE
1324        if( pcSlice->getVPS()->getRefLayerId( m_layerId, refLayerIdc ) == 0 && m_parameterSetManagerDecoder.getActiveVPS()->getAvcBaseLayerFlag() )
1325        {         
1326          TComPic* pic = *m_ppcTDecTop[0]->getListPic()->begin();
1327
1328          if( pic )
1329          {
1330            pcSlice->setBaseColPic ( refLayerIdc, pic );
1331          }
1332          else
1333          {
1334            continue;
1335          }
1336#if AVC_SYNTAX
1337          TComPic* pBLPic = pcSlice->getBaseColPic(refLayerIdc);
1338          if( pcSlice->getPOC() == 0 )
1339          {
1340            // initialize partition order.
1341            UInt* piTmp = &g_auiZscanToRaster[0];
1342            initZscanToRaster( pBLPic->getPicSym()->getMaxDepth() + 1, 1, 0, piTmp );
1343            initRasterToZscan( pBLPic->getPicSym()->getMaxCUWidth(), pBLPic->getPicSym()->getMaxCUHeight(), pBLPic->getPicSym()->getMaxDepth() + 1 );
1344          }     
1345          pBLPic->getSlice( 0 )->initBaseLayerRPL( pcSlice );
1346          pBLPic->readBLSyntax( m_ppcTDecTop[0]->getBLSyntaxFile(), SYNTAX_BYTES );
1347#endif
1348        }
1349        else
1350        {
1351#if VPS_EXTN_DIRECT_REF_LAYERS
1352          TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1353#else
1354          TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1355#endif
1356          TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1357          if( !pcSlice->setBaseColPic ( *cListPic, refLayerIdc ) )
1358          {
1359            continue;
1360          }
1361        }
1362#else
1363#if VPS_EXTN_DIRECT_REF_LAYERS
1364        TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1365#else
1366        TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1367#endif
1368        TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1369        pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1370#endif
1371
1372#if O0098_SCALED_REF_LAYER_ID
1373        const Window &scalEL = pcSlice->getSPS()->getScaledRefLayerWindowForLayer(pcSlice->getVPS()->getRefLayerId(m_layerId, refLayerIdc));
1374#else
1375        const Window &scalEL = pcSlice->getSPS()->getScaledRefLayerWindow(refLayerIdc);
1376#endif
1377
1378        Int widthBL   = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec()->getWidth();
1379        Int heightBL  = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec()->getHeight();
1380
1381        Int widthEL   = pcPic->getPicYuvRec()->getWidth()  - scalEL.getWindowLeftOffset() - scalEL.getWindowRightOffset();
1382        Int heightEL  = pcPic->getPicYuvRec()->getHeight() - scalEL.getWindowTopOffset()  - scalEL.getWindowBottomOffset();
1383
1384        g_mvScalingFactor[refLayerIdc][0] = widthEL  == widthBL  ? 4096 : Clip3(-4096, 4095, ((widthEL  << 8) + (widthBL  >> 1)) / widthBL);
1385        g_mvScalingFactor[refLayerIdc][1] = heightEL == heightBL ? 4096 : Clip3(-4096, 4095, ((heightEL << 8) + (heightBL >> 1)) / heightBL);
1386
1387        g_posScalingFactor[refLayerIdc][0] = ((widthBL  << 16) + (widthEL  >> 1)) / widthEL;
1388        g_posScalingFactor[refLayerIdc][1] = ((heightBL << 16) + (heightEL >> 1)) / heightEL;
1389
1390#if SVC_UPSAMPLING
1391        if( pcPic->isSpatialEnhLayer(refLayerIdc) )
1392        {   
1393/*#if O0098_SCALED_REF_LAYER_ID
1394          Window &scalEL = pcSlice->getSPS()->getScaledRefLayerWindowForLayer(pcSlice->getVPS()->getRefLayerId(m_layerId, refLayerIdc));
1395#else
1396          Window &scalEL = pcSlice->getSPS()->getScaledRefLayerWindow(refLayerIdc);
1397#endif*/
1398#if O0215_PHASE_ALIGNMENT
1399#if O0194_JOINT_US_BITSHIFT
1400          m_cPrediction.upsampleBasePic( pcSlice, refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec(), scalEL, pcSlice->getVPS()->getPhaseAlignFlag() );
1401#else
1402          m_cPrediction.upsampleBasePic( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec(), scalEL, pcSlice->getVPS()->getPhaseAlignFlag() );
1403#endif
1404#else
1405#if O0194_JOINT_US_BITSHIFT
1406          m_cPrediction.upsampleBasePic( pcSlice, refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec(), scalEL );
1407#else
1408          m_cPrediction.upsampleBasePic( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc), pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec(), pcPic->getPicYuvRec(), scalEL );
1409#endif
1410#endif
1411        }
1412        else
1413        {
1414          pcPic->setFullPelBaseRec( refLayerIdc, pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec() );
1415        }
1416        pcSlice->setFullPelBaseRec ( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc) );
1417#endif
1418      }
1419    }
1420
1421    if( m_layerId > 0 && pcSlice->getActiveNumILRRefIdx() )
1422    {
1423      for( i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ )
1424      {
1425        UInt refLayerIdc = pcSlice->getInterLayerPredLayerIdc(i);
1426#if AVC_BASE
1427        if( pcSlice->getVPS()->getRefLayerId( m_layerId, refLayerIdc ) == 0 && m_parameterSetManagerDecoder.getActiveVPS()->getAvcBaseLayerFlag() )
1428        {
1429          pcSlice->setBaseColPic ( refLayerIdc, *m_ppcTDecTop[0]->getListPic()->begin() );
1430#if AVC_SYNTAX
1431          TComPic* pBLPic = pcSlice->getBaseColPic(refLayerIdc);
1432          if( pcSlice->getPOC() == 0 )
1433          {
1434            // initialize partition order.
1435            UInt* piTmp = &g_auiZscanToRaster[0];
1436            initZscanToRaster( pBLPic->getPicSym()->getMaxDepth() + 1, 1, 0, piTmp );
1437            initRasterToZscan( pBLPic->getPicSym()->getMaxCUWidth(), pBLPic->getPicSym()->getMaxCUHeight(), pBLPic->getPicSym()->getMaxDepth() + 1 );
1438          }     
1439          pBLPic->getSlice( 0 )->initBaseLayerRPL( pcSlice );
1440          pBLPic->readBLSyntax( m_ppcTDecTop[0]->getBLSyntaxFile(), SYNTAX_BYTES );
1441#endif
1442        }
1443        else
1444        {
1445#if VPS_EXTN_DIRECT_REF_LAYERS
1446          TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1447#else
1448          TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1449#endif
1450          TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1451          pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1452        }
1453#else
1454#if VPS_EXTN_DIRECT_REF_LAYERS
1455        TDecTop *pcTDecTop = (TDecTop *)getRefLayerDec( refLayerIdc );
1456#else
1457        TDecTop *pcTDecTop = (TDecTop *)getLayerDec( m_layerId-1 );
1458#endif
1459        TComList<TComPic*> *cListPic = pcTDecTop->getListPic();
1460        pcSlice->setBaseColPic ( *cListPic, refLayerIdc );
1461#endif
1462
1463        pcSlice->setFullPelBaseRec ( refLayerIdc, pcPic->getFullPelBaseRec(refLayerIdc) );
1464      }
1465
1466      pcSlice->setILRPic( m_cIlpPic );
1467
1468#if REF_IDX_MFM
1469      if( pcSlice->getMFMEnabledFlag() )
1470      {
1471        pcSlice->setRefPOCListILP(m_ppcTDecTop[m_layerId]->m_cIlpPic, pcSlice->getBaseColPic());
1472      }
1473      pcSlice->setRefPicList( m_cListPic, false, m_cIlpPic);
1474    }
1475#if M0040_ADAPTIVE_RESOLUTION_CHANGE
1476    else if ( m_layerId > 0 )
1477    {
1478      pcSlice->setRefPicList( m_cListPic, false, NULL);
1479    }
1480#endif
1481#if MFM_ENCCONSTRAINT
1482    if( pcSlice->getMFMEnabledFlag() )
1483    {
1484      Int refLayerId = pcSlice->getRefPic( pcSlice->getSliceType() == B_SLICE ? ( RefPicList )( 1 - pcSlice->getColFromL0Flag() ) : REF_PIC_LIST_0 , pcSlice->getColRefIdx() )->getLayerId();
1485      if( refLayerId != pcSlice->getLayerId() )
1486      {
1487        TComPic* pColBasePic = pcSlice->getBaseColPic( *m_ppcTDecTop[refLayerId]->getListPic() );
1488        assert( pColBasePic->checkSameRefInfo() == true );
1489      }
1490    }
1491#endif
1492#endif
1493   
1494#if N0147_IRAP_ALIGN_FLAG
1495    if( m_layerId > 0 && pcSlice->getVPS()->getCrossLayerIrapAlignFlag() )
1496    {
1497#if M0040_ADAPTIVE_RESOLUTION_CHANGE
1498      if( !pcSlice->getVPS()->getSingleLayerForNonIrapFlag() || ( pcSlice->getVPS()->getSingleLayerForNonIrapFlag() && pcSlice->isIRAP() ) )
1499#endif
1500      for(Int dependentLayerIdx = 0; dependentLayerIdx < pcSlice->getVPS()->getNumDirectRefLayers(m_layerId); dependentLayerIdx++)
1501      {
1502        TComList<TComPic*> *cListPic = getRefLayerDec( dependentLayerIdx )->getListPic();
1503        TComPic* refpicLayer = pcSlice->getRefPic(*cListPic, pcSlice->getPOC() );
1504        if(refpicLayer && pcSlice->isIRAP())
1505        {                 
1506          assert(pcSlice->getNalUnitType() == refpicLayer->getSlice(0)->getNalUnitType());
1507        }
1508      }
1509    }
1510#endif
1511#endif //SVC_EXTENSION
1512   
1513    // For generalized B
1514    // note: maybe not existed case (always L0 is copied to L1 if L1 is empty)
1515    if (pcSlice->isInterB() && pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0)
1516    {
1517      Int iNumRefIdx = pcSlice->getNumRefIdx(REF_PIC_LIST_0);
1518      pcSlice->setNumRefIdx        ( REF_PIC_LIST_1, iNumRefIdx );
1519
1520      for (Int iRefIdx = 0; iRefIdx < iNumRefIdx; iRefIdx++)
1521      {
1522        pcSlice->setRefPic(pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx), REF_PIC_LIST_1, iRefIdx);
1523      }
1524    }
1525    if (!pcSlice->isIntra())
1526    {
1527      Bool bLowDelay = true;
1528      Int  iCurrPOC  = pcSlice->getPOC();
1529      Int iRefIdx = 0;
1530
1531      for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_0) && bLowDelay; iRefIdx++)
1532      {
1533        if ( pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx)->getPOC() > iCurrPOC )
1534        {
1535          bLowDelay = false;
1536        }
1537      }
1538      if (pcSlice->isInterB())
1539      {
1540        for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_1) && bLowDelay; iRefIdx++)
1541        {
1542          if ( pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx)->getPOC() > iCurrPOC )
1543          {
1544            bLowDelay = false;
1545          }
1546        }       
1547      }
1548
1549      pcSlice->setCheckLDC(bLowDelay);           
1550    }
1551
1552    //---------------
1553    pcSlice->setRefPOCList();
1554  }
1555
1556  pcPic->setCurrSliceIdx(m_uiSliceIdx);
1557  if(pcSlice->getSPS()->getScalingListFlag())
1558  {
1559    pcSlice->setScalingList ( pcSlice->getSPS()->getScalingList()  );
1560    if(pcSlice->getPPS()->getScalingListPresentFlag())
1561    {
1562      pcSlice->setScalingList ( pcSlice->getPPS()->getScalingList()  );
1563    }
1564#if SCALINGLIST_INFERRING
1565    if( m_layerId == 0 || ( m_layerId > 0 && !pcSlice->getPPS()->getInferScalingListFlag() && !pcSlice->getSPS()->getInferScalingListFlag() ) )
1566#endif
1567    if(!pcSlice->getPPS()->getScalingListPresentFlag() && !pcSlice->getSPS()->getScalingListPresentFlag())
1568    {
1569      pcSlice->setDefaultScalingList();
1570    }
1571    m_cTrQuant.setScalingListDec(pcSlice->getScalingList());
1572    m_cTrQuant.setUseScalingList(true);
1573  }
1574  else
1575  {
1576    m_cTrQuant.setFlatScalingList();
1577    m_cTrQuant.setUseScalingList(false);
1578  }
1579
1580  //  Decode a picture
1581  m_cGopDecoder.decompressSlice(nalu.m_Bitstream, pcPic);
1582
1583  m_bFirstSliceInPicture = false;
1584  m_uiSliceIdx++;
1585
1586  return false;
1587}
1588
1589Void TDecTop::xDecodeVPS()
1590{
1591  TComVPS* vps = new TComVPS();
1592 
1593  m_cEntropyDecoder.decodeVPS( vps );
1594  m_parameterSetManagerDecoder.storePrefetchedVPS(vps); 
1595}
1596
1597Void TDecTop::xDecodeSPS()
1598{
1599  TComSPS* sps = new TComSPS();
1600#if SVC_EXTENSION
1601  sps->setLayerId(m_layerId);
1602  m_cEntropyDecoder.decodeSPS( sps, &m_parameterSetManagerDecoder );
1603  m_parameterSetManagerDecoder.storePrefetchedSPS(sps);
1604#if !REPN_FORMAT_IN_VPS   // ILRP can only be initialized at activation 
1605  if(m_numLayer>0)
1606  {
1607    xInitILRP(sps);
1608  }
1609#endif
1610#else //SVC_EXTENSION
1611  m_cEntropyDecoder.decodeSPS( sps );
1612  m_parameterSetManagerDecoder.storePrefetchedSPS(sps);
1613#endif //SVC_EXTENSION
1614}
1615
1616Void TDecTop::xDecodePPS()
1617{
1618  TComPPS* pps = new TComPPS();
1619
1620#if SCALINGLIST_INFERRING
1621  pps->setLayerId( m_layerId );
1622#endif
1623
1624  m_cEntropyDecoder.decodePPS( pps );
1625  m_parameterSetManagerDecoder.storePrefetchedPPS( pps );
1626
1627  if( pps->getDependentSliceSegmentsEnabledFlag() )
1628  {
1629    Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1;
1630    m_cSliceDecoder.initCtxMem(NumCtx);
1631    for ( UInt st = 0; st < NumCtx; st++ )
1632    {
1633      TDecSbac* ctx = NULL;
1634      ctx = new TDecSbac;
1635      ctx->init( &m_cBinCABAC );
1636      m_cSliceDecoder.setCtxMem( ctx, st );
1637    }
1638  }
1639}
1640
1641Void TDecTop::xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType )
1642{
1643#if SVC_EXTENSION
1644  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1645  {
1646#if RANDOM_ACCESS_SEI_FIX
1647    if (m_prevSliceSkipped) // No need to decode SEI messages of a skipped access unit
1648    {
1649      return;
1650    }
1651#endif
1652#if LAYERS_NOT_PRESENT_SEI
1653    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1654#else
1655    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1656#endif
1657  }
1658  else
1659  {
1660#if LAYERS_NOT_PRESENT_SEI
1661    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1662#else
1663    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1664#endif
1665    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1666    if (activeParamSets.size()>0)
1667    {
1668      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1669      m_parameterSetManagerDecoder.applyPrefetchedPS();
1670      assert(seiAps->activeSeqParamSetId.size()>0);
1671      if( !m_parameterSetManagerDecoder.activateSPSWithSEI( seiAps->activeSeqParamSetId[0] ) )
1672      {
1673        printf ("Warning SPS activation with Active parameter set SEI failed");
1674      }
1675    }
1676  }
1677#else
1678  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1679  {
1680#if LAYERS_NOT_PRESENT_SEI
1681    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1682#else
1683    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1684#endif
1685  }
1686  else
1687  {
1688#if LAYERS_NOT_PRESENT_SEI
1689    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveVPS(), m_parameterSetManagerDecoder.getActiveSPS() );
1690#else
1691    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1692#endif
1693    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1694    if (activeParamSets.size()>0)
1695    {
1696      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1697      m_parameterSetManagerDecoder.applyPrefetchedPS();
1698      assert(seiAps->activeSeqParamSetId.size()>0);
1699      if (! m_parameterSetManagerDecoder.activateSPSWithSEI(seiAps->activeSeqParamSetId[0] ))
1700      {
1701        printf ("Warning SPS activation with Active parameter set SEI failed");
1702      }
1703    }
1704  }
1705#endif
1706}
1707
1708#if SVC_EXTENSION
1709Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC)
1710#else
1711Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay)
1712#endif
1713{
1714  // Initialize entropy decoder
1715  m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder);
1716  m_cEntropyDecoder.setBitstream      (nalu.m_Bitstream);
1717
1718#if O0137_MAX_LAYERID
1719  // ignore any NAL units with nuh_layer_id == 63
1720  if (nalu.m_layerId == 63 )
1721  { 
1722    return false;
1723  }
1724#endif
1725  switch (nalu.m_nalUnitType)
1726  {
1727    case NAL_UNIT_VPS:
1728#if VPS_NUH_LAYER_ID
1729      assert( nalu.m_layerId == 0 ); // Non-conforming bitstream. The value of nuh_layer_id of VPS NAL unit shall be equal to 0.
1730#endif
1731      xDecodeVPS();
1732#if AVC_BASE
1733      if( m_parameterSetManagerDecoder.getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1734      {
1735        if( !m_ppcTDecTop[0]->getBLReconFile()->good() )
1736        {
1737          printf( "Base layer YUV input reading error\n" );
1738          exit(EXIT_FAILURE);
1739        }       
1740#if AVC_SYNTAX
1741        if( !m_ppcTDecTop[0]->getBLSyntaxFile()->good() )
1742        {
1743          printf( "Base layer syntax input reading error\n" );
1744          exit(EXIT_FAILURE);
1745        }
1746#endif
1747      }
1748      else
1749      {
1750        TComList<TComPic*> *cListPic = m_ppcTDecTop[0]->getListPic();
1751        cListPic->clear();
1752      }
1753#endif
1754      return false;
1755     
1756    case NAL_UNIT_SPS:
1757      xDecodeSPS();
1758#if AVC_BASE
1759      if( m_parameterSetManagerDecoder.getPrefetchedVPS(0)->getAvcBaseLayerFlag() )
1760      {
1761        TComPic* pBLPic = (*m_ppcTDecTop[0]->getListPic()->begin());
1762        if( nalu.m_layerId == 1 && pBLPic->getPicYuvRec() == NULL )
1763        {
1764          // using EL SPS with spsId = 1
1765          TComSPS* sps = m_parameterSetManagerDecoder.getPrefetchedSPS(1);
1766          Int  numReorderPics[MAX_TLAYER];
1767          Window &conformanceWindow = sps->getConformanceWindow();
1768          Window defaultDisplayWindow = sps->getVuiParametersPresentFlag() ? sps->getVuiParameters()->getDefaultDisplayWindow() : Window();
1769#if AUXILIARY_PICTURES
1770#if SVC_UPSAMPLING
1771#if AVC_SYNTAX
1772          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getChromaFormatIdc(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, sps, true);
1773#else
1774          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getChromaFormatIdc(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, NULL, true);
1775#endif
1776#else
1777          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getChromaFormatIdc(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), onformanceWindow, defaultDisplayWindow, numReorderPics, true);
1778#endif
1779#else
1780#if SVC_UPSAMPLING
1781#if AVC_SYNTAX
1782          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, sps, true);
1783#else
1784          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), conformanceWindow, defaultDisplayWindow, numReorderPics, NULL, true);
1785#endif
1786#else
1787          pBLPic->create( m_ppcTDecTop[0]->getBLWidth(), m_ppcTDecTop[0]->getBLHeight(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxCUDepth(), onformanceWindow, defaultDisplayWindow, numReorderPics, true);
1788#endif
1789#endif
1790
1791#if O0194_DIFFERENT_BITDEPTH_EL_BL
1792          // set AVC BL bit depth, can be an input parameter from the command line
1793          g_bitDepthYLayer[0] = 8;
1794          g_bitDepthCLayer[0] = 8;
1795#endif
1796        }
1797      }
1798#endif
1799      return false;
1800
1801    case NAL_UNIT_PPS:
1802      xDecodePPS();
1803      return false;
1804     
1805    case NAL_UNIT_PREFIX_SEI:
1806    case NAL_UNIT_SUFFIX_SEI:
1807      xDecodeSEI( nalu.m_Bitstream, nalu.m_nalUnitType );
1808      return false;
1809
1810    case NAL_UNIT_CODED_SLICE_TRAIL_R:
1811    case NAL_UNIT_CODED_SLICE_TRAIL_N:
1812    case NAL_UNIT_CODED_SLICE_TSA_R:
1813    case NAL_UNIT_CODED_SLICE_TSA_N:
1814    case NAL_UNIT_CODED_SLICE_STSA_R:
1815    case NAL_UNIT_CODED_SLICE_STSA_N:
1816    case NAL_UNIT_CODED_SLICE_BLA_W_LP:
1817    case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
1818    case NAL_UNIT_CODED_SLICE_BLA_N_LP:
1819    case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
1820    case NAL_UNIT_CODED_SLICE_IDR_N_LP:
1821    case NAL_UNIT_CODED_SLICE_CRA:
1822    case NAL_UNIT_CODED_SLICE_RADL_N:
1823    case NAL_UNIT_CODED_SLICE_RADL_R:
1824    case NAL_UNIT_CODED_SLICE_RASL_N:
1825    case NAL_UNIT_CODED_SLICE_RASL_R:
1826#if SVC_EXTENSION
1827      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, curLayerId, bNewPOC);
1828#else
1829      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay);
1830#endif
1831      break;
1832     
1833    case NAL_UNIT_EOS:
1834      m_associatedIRAPType = NAL_UNIT_INVALID;
1835      m_pocCRA = 0;
1836      m_pocRandomAccess = MAX_INT;
1837      m_prevPOC = MAX_INT;
1838      m_bFirstSliceInPicture = true;
1839      m_bFirstSliceInSequence = true;
1840      m_prevSliceSkipped = false;
1841      m_skippedPOC = 0;
1842      return false;
1843     
1844    case NAL_UNIT_ACCESS_UNIT_DELIMITER:
1845      // TODO: process AU delimiter
1846      return false;
1847     
1848    case NAL_UNIT_EOB:
1849#if P0130_EOB
1850      //Check layer id of the nalu. if it is not 0, give a warning message.
1851      if (nalu.m_layerId > 0)
1852      {
1853        printf( "\n\nThis bitstream is ended with EOB NALU that has layer id greater than 0\n" );
1854      }
1855#endif
1856      return false;
1857     
1858     
1859    case NAL_UNIT_RESERVED_VCL_N10:
1860    case NAL_UNIT_RESERVED_VCL_R11:
1861    case NAL_UNIT_RESERVED_VCL_N12:
1862    case NAL_UNIT_RESERVED_VCL_R13:
1863    case NAL_UNIT_RESERVED_VCL_N14:
1864    case NAL_UNIT_RESERVED_VCL_R15:
1865     
1866    case NAL_UNIT_RESERVED_IRAP_VCL22:
1867    case NAL_UNIT_RESERVED_IRAP_VCL23:
1868     
1869    case NAL_UNIT_RESERVED_VCL24:
1870    case NAL_UNIT_RESERVED_VCL25:
1871    case NAL_UNIT_RESERVED_VCL26:
1872    case NAL_UNIT_RESERVED_VCL27:
1873    case NAL_UNIT_RESERVED_VCL28:
1874    case NAL_UNIT_RESERVED_VCL29:
1875    case NAL_UNIT_RESERVED_VCL30:
1876    case NAL_UNIT_RESERVED_VCL31:
1877     
1878    case NAL_UNIT_FILLER_DATA:
1879    case NAL_UNIT_RESERVED_NVCL41:
1880    case NAL_UNIT_RESERVED_NVCL42:
1881    case NAL_UNIT_RESERVED_NVCL43:
1882    case NAL_UNIT_RESERVED_NVCL44:
1883    case NAL_UNIT_RESERVED_NVCL45:
1884    case NAL_UNIT_RESERVED_NVCL46:
1885    case NAL_UNIT_RESERVED_NVCL47:
1886    case NAL_UNIT_UNSPECIFIED_48:
1887    case NAL_UNIT_UNSPECIFIED_49:
1888    case NAL_UNIT_UNSPECIFIED_50:
1889    case NAL_UNIT_UNSPECIFIED_51:
1890    case NAL_UNIT_UNSPECIFIED_52:
1891    case NAL_UNIT_UNSPECIFIED_53:
1892    case NAL_UNIT_UNSPECIFIED_54:
1893    case NAL_UNIT_UNSPECIFIED_55:
1894    case NAL_UNIT_UNSPECIFIED_56:
1895    case NAL_UNIT_UNSPECIFIED_57:
1896    case NAL_UNIT_UNSPECIFIED_58:
1897    case NAL_UNIT_UNSPECIFIED_59:
1898    case NAL_UNIT_UNSPECIFIED_60:
1899    case NAL_UNIT_UNSPECIFIED_61:
1900    case NAL_UNIT_UNSPECIFIED_62:
1901    case NAL_UNIT_UNSPECIFIED_63:
1902
1903    default:
1904      assert (0);
1905  }
1906
1907  return false;
1908}
1909
1910/** Function for checking if picture should be skipped because of association with a previous BLA picture
1911 * \param iPOCLastDisplay POC of last picture displayed
1912 * \returns true if the picture should be skipped
1913 * This function skips all TFD pictures that follow a BLA picture
1914 * in decoding order and precede it in output order.
1915 */
1916Bool TDecTop::isSkipPictureForBLA(Int& iPOCLastDisplay)
1917{
1918  if ((m_associatedIRAPType == NAL_UNIT_CODED_SLICE_BLA_N_LP || m_associatedIRAPType == NAL_UNIT_CODED_SLICE_BLA_W_LP || m_associatedIRAPType == NAL_UNIT_CODED_SLICE_BLA_W_RADL) && 
1919       m_apcSlicePilot->getPOC() < m_pocCRA && (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N))
1920  {
1921    iPOCLastDisplay++;
1922    return true;
1923  }
1924  return false;
1925}
1926
1927/** Function for checking if picture should be skipped because of random access
1928 * \param iSkipFrame skip frame counter
1929 * \param iPOCLastDisplay POC of last picture displayed
1930 * \returns true if the picture shold be skipped in the random access.
1931 * This function checks the skipping of pictures in the case of -s option random access.
1932 * All pictures prior to the random access point indicated by the counter iSkipFrame are skipped.
1933 * It also checks the type of Nal unit type at the random access point.
1934 * 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.
1935 * If the random access point is IDR all pictures after the random access point are decoded.
1936 * If the random access point is none of the above, a warning is issues, and decoding of pictures with POC
1937 * equal to or greater than the random access point POC is attempted. For non IDR/CRA/BLA random
1938 * access point there is no guarantee that the decoder will not crash.
1939 */
1940Bool TDecTop::isRandomAccessSkipPicture(Int& iSkipFrame,  Int& iPOCLastDisplay)
1941{
1942  if (iSkipFrame) 
1943  {
1944    iSkipFrame--;   // decrement the counter
1945    return true;
1946  }
1947  else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet.
1948  {
1949    if (   m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA
1950        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1951        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
1952        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL )
1953    {
1954      // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT.
1955      m_pocRandomAccess = m_apcSlicePilot->getPOC();
1956    }
1957    else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP )
1958    {
1959      m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable.
1960    }
1961    else 
1962    {
1963      static Bool warningMessage = false;
1964      if(!warningMessage)
1965      {
1966        printf("\nWarning: this is not a valid random access point and the data is discarded until the first CRA picture");
1967        warningMessage = true;
1968      }
1969      return true;
1970    }
1971  }
1972  // skip the reordered pictures, if necessary
1973  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))
1974  {
1975    iPOCLastDisplay++;
1976    return true;
1977  }
1978  // if we reach here, then the picture is not skipped.
1979  return false; 
1980}
1981
1982#if SVC_EXTENSION
1983#if VPS_EXTN_DIRECT_REF_LAYERS
1984TDecTop* TDecTop::getRefLayerDec( UInt refLayerIdc )
1985{
1986  TComVPS* vps = m_parameterSetManagerDecoder.getActiveVPS();
1987  if( vps->getNumDirectRefLayers( m_layerId ) <= 0 )
1988  {
1989    return (TDecTop *)getLayerDec( 0 );
1990  }
1991 
1992  return (TDecTop *)getLayerDec( vps->getRefLayerId( m_layerId, refLayerIdc ) );
1993}
1994#endif
1995
1996#if VPS_EXTN_DIRECT_REF_LAYERS
1997Void TDecTop::setRefLayerParams( TComVPS* vps )
1998{
1999  for(UInt layer = 0; layer < m_numLayer; layer++)
2000  {
2001    TDecTop *decTop = (TDecTop *)getLayerDec(layer);
2002    decTop->setNumSamplePredRefLayers(0);
2003    decTop->setNumMotionPredRefLayers(0);
2004    decTop->setNumDirectRefLayers(0);
2005    for(Int i = 0; i < MAX_VPS_LAYER_ID_PLUS1; i++)
2006    {
2007      decTop->setSamplePredEnabledFlag(i, false);
2008      decTop->setMotionPredEnabledFlag(i, false);
2009      decTop->setSamplePredRefLayerId(i, 0);
2010      decTop->setMotionPredRefLayerId(i, 0);
2011    }
2012    for(Int j = 0; j < layer; j++)
2013    {
2014      if (vps->getDirectDependencyFlag(layer, j))
2015      {
2016        decTop->setRefLayerId(decTop->getNumDirectRefLayers(), vps->getLayerIdInNuh(layer));
2017        decTop->setNumDirectRefLayers(decTop->getNumDirectRefLayers() + 1);
2018
2019        Int samplePredEnabledFlag = (vps->getDirectDependencyType(layer, j) + 1) & 1;
2020        decTop->setSamplePredEnabledFlag(j, samplePredEnabledFlag == 1 ? true : false);
2021        decTop->setNumSamplePredRefLayers(decTop->getNumSamplePredRefLayers() + samplePredEnabledFlag);
2022
2023        Int motionPredEnabledFlag = ((vps->getDirectDependencyType(layer, j) + 1) & 2) >> 1;
2024        decTop->setMotionPredEnabledFlag(j, motionPredEnabledFlag == 1 ? true : false);
2025        decTop->setNumMotionPredRefLayers(decTop->getNumMotionPredRefLayers() + motionPredEnabledFlag);
2026      }
2027    }
2028  }
2029  for ( Int i = 1, mIdx = 0, sIdx = 0; i < m_numLayer; i++ )
2030  {
2031    Int iNuhLId = vps->getLayerIdInNuh(i);
2032    TDecTop *decTop = (TDecTop *)getLayerDec(iNuhLId);
2033    for ( Int j = 0; j < i; j++ )
2034    {
2035      if (decTop->getMotionPredEnabledFlag(j))
2036      {
2037        decTop->setMotionPredRefLayerId(mIdx++, vps->getLayerIdInNuh(j));
2038      }
2039      if (decTop->getSamplePredEnabledFlag(j))
2040      {
2041        decTop->setSamplePredRefLayerId(sIdx++, vps->getLayerIdInNuh(j));
2042      }
2043    }
2044  }
2045}
2046
2047#endif
2048
2049#if OUTPUT_LAYER_SET_INDEX
2050Void TDecTop::checkValueOfTargetOutputLayerSetIdx(TComVPS *vps)
2051{
2052  CommonDecoderParams* params = this->getCommonDecoderParams();
2053
2054  assert( params->getTargetLayerId() < vps->getMaxLayers() );
2055
2056  if( params->getValueCheckedFlag() )
2057  {
2058    return; // Already checked
2059  }
2060  if( params->getTargetOutputLayerSetIdx() == -1 )  // Output layer set index not specified
2061  {
2062    Bool layerSetMatchFound = false;
2063    // Output layer set index not assigned.
2064    // Based on the value of targetLayerId, check if any of the output layer matches
2065    // Currently, the target layer ID in the encoder assumes that all the layers are decoded   
2066    // Check if any of the output layer sets match this description
2067    for(Int i = 0; i < vps->getNumOutputLayerSets(); i++)
2068    {
2069      Bool layerSetMatchFlag = true;
2070      Int layerSetIdx = vps->getOutputLayerSetIdx( i );
2071      if( vps->getNumLayersInIdList( layerSetIdx ) == params->getTargetLayerId() + 1 )
2072      {
2073        for(Int j = 0; j < vps->getNumLayersInIdList( layerSetIdx ); j++)
2074        {
2075          if( vps->getLayerSetLayerIdList( layerSetIdx, j ) != j )
2076          {
2077            layerSetMatchFlag = false;
2078            break;
2079          }
2080        }
2081      }
2082      else
2083      {
2084        layerSetMatchFlag = false;
2085      }
2086     
2087      if( layerSetMatchFlag ) // Potential output layer set candidate found
2088      {
2089        // If target dec layer ID list is also included - check if they match
2090        if( params->getTargetDecLayerIdSet() )
2091        {
2092          if( params->getTargetDecLayerIdSet()->size() ) 
2093          {
2094            for(Int j = 0; j < vps->getNumLayersInIdList( layerSetIdx ); j++)
2095            {
2096              if( *(params->getTargetDecLayerIdSet()->begin() + j) != vps->getLayerIdInNuh(vps->getLayerSetLayerIdList( layerSetIdx, j )))
2097              {
2098                layerSetMatchFlag = false;
2099              }
2100            }
2101          }
2102        }
2103        if( layerSetMatchFlag ) // The target dec layer ID list also matches, if present
2104        {
2105          // Match found
2106          layerSetMatchFound = true;
2107          params->setTargetOutputLayerSetIdx( i );
2108          params->setValueCheckedFlag( true );
2109          break;
2110        }
2111      }
2112    }
2113    assert( layerSetMatchFound ); // No output layer set matched the value of either targetLayerId or targetdeclayerIdlist
2114  }   
2115  else // Output layer set index is assigned - check if the values match
2116  {
2117    // Check if the target decoded layer is the highest layer in the list
2118    assert( params->getTargetOutputLayerSetIdx() < vps->getNumLayerSets() );
2119    Int layerSetIdx = vps->getOutputLayerSetIdx( params->getTargetOutputLayerSetIdx() );  // Index to the layer set
2120    assert( params->getTargetLayerId() == vps->getNumLayersInIdList( layerSetIdx ) - 1);
2121
2122    Bool layerSetMatchFlag = true;
2123    for(Int j = 0; j < vps->getNumLayersInIdList( layerSetIdx ); j++)
2124    {
2125      if( vps->getLayerSetLayerIdList( layerSetIdx, j ) != j )
2126      {
2127        layerSetMatchFlag = false;
2128        break;
2129      }
2130    }
2131
2132    assert(layerSetMatchFlag);    // Signaled output layer set index does not match targetOutputLayerId.
2133   
2134    // Check if the targetdeclayerIdlist matches the output layer set
2135    if( params->getTargetDecLayerIdSet() )
2136    {
2137      if( params->getTargetDecLayerIdSet()->size() ) 
2138      {
2139        for(Int i = 0; i < vps->getNumLayersInIdList( layerSetIdx ); i++)
2140        {
2141          assert( *(params->getTargetDecLayerIdSet()->begin() + i) == vps->getLayerIdInNuh(vps->getLayerSetLayerIdList( layerSetIdx, i )));
2142        }
2143      }
2144    }
2145    params->setValueCheckedFlag( true );
2146
2147  }
2148}
2149#endif
2150#if RESOLUTION_BASED_DPB
2151Void TDecTop::assignSubDpbs(TComVPS *vps)
2152{
2153  if( m_subDpbIdx == -1 ) // Sub-DPB index is not already assigned
2154  {
2155    Int lsIdx = vps->getOutputLayerSetIdx( getCommonDecoderParams()->getTargetOutputLayerSetIdx() );
2156
2157    Int layerIdx = vps->findLayerIdxInLayerSet( lsIdx, getLayerId() );
2158    assert( layerIdx != -1 ); // Current layer should be found in the layer set.
2159
2160    // Copy from the active VPS based on the layer ID.
2161    m_subDpbIdx = vps->getSubDpbAssigned( lsIdx, layerIdx );
2162  }
2163}
2164#endif
2165#endif //SVC_EXTENSION
2166//! \}
Note: See TracBrowser for help on using the repository browser.