source: 3DVCSoftware/branches/HTM-8.2-dev0-Cleanup/source/Lib/TLibDecoder/TDecTop.cpp @ 648

Last change on this file since 648 was 648, checked in by tech, 11 years ago

Macro removal part H_MV5.

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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/** \file     TDecTop.cpp
35    \brief    decoder class
36*/
37
38#include "NALread.h"
39#include "TDecTop.h"
40
41#if H_MV
42ParameterSetManagerDecoder TDecTop::m_parameterSetManagerDecoder;
43#endif
44//! \ingroup TLibDecoder
45//! \{
46
47#if H_3D
48CamParsCollector::CamParsCollector()
49: m_bInitialized( false )
50{
51  m_aaiCodedOffset         = new Int* [ MAX_NUM_LAYERS ];
52  m_aaiCodedScale          = new Int* [ MAX_NUM_LAYERS ];
53  m_aiViewId               = new Int  [ MAX_NUM_LAYERS ];
54
55  m_bViewReceived          = new Bool [ MAX_NUM_LAYERS ];
56  for( UInt uiId = 0; uiId < MAX_NUM_LAYERS; uiId++ )
57  {
58    m_aaiCodedOffset      [ uiId ] = new Int [ MAX_NUM_LAYERS ];
59    m_aaiCodedScale       [ uiId ] = new Int [ MAX_NUM_LAYERS ];
60  }
61
62  xCreateLUTs( (UInt)MAX_NUM_LAYERS, (UInt)MAX_NUM_LAYERS, m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT );
63  m_iLog2Precision   = LOG2_DISP_PREC_LUT;
64  m_uiBitDepthForLUT = 8; // fixed
65}
66
67CamParsCollector::~CamParsCollector()
68{
69  for( UInt uiId = 0; uiId < MAX_NUM_LAYERS; uiId++ )
70  {
71    delete [] m_aaiCodedOffset      [ uiId ];
72    delete [] m_aaiCodedScale       [ uiId ];
73  }
74  delete [] m_aaiCodedOffset;
75  delete [] m_aaiCodedScale;
76  delete [] m_aiViewId; 
77  delete [] m_bViewReceived;
78
79  xDeleteArray( m_adBaseViewShiftLUT, MAX_NUM_LAYERS, MAX_NUM_LAYERS, 2 );
80  xDeleteArray( m_aiBaseViewShiftLUT, MAX_NUM_LAYERS, MAX_NUM_LAYERS, 2 );
81}
82
83Void
84CamParsCollector::init( FILE* pCodedScaleOffsetFile )
85{
86  m_bInitialized            = true;
87  m_pCodedScaleOffsetFile   = pCodedScaleOffsetFile;
88  m_uiCamParsCodedPrecision = 0;
89  m_bCamParsVaryOverTime    = false;
90  m_iLastViewIndex             = -1;
91  m_iLastPOC                = -1;
92  m_uiMaxViewIndex             = 0;
93}
94
95Void
96CamParsCollector::xCreateLUTs( UInt uiNumberSourceViews, UInt uiNumberTargetViews, Double****& radLUT, Int****& raiLUT)
97{
98
99  uiNumberSourceViews = std::max( (UInt) 1, uiNumberSourceViews );
100  uiNumberTargetViews = std::max( (UInt) 1, uiNumberTargetViews );
101
102  radLUT         = new Double***[ uiNumberSourceViews ];
103  raiLUT         = new Int   ***[ uiNumberSourceViews ];
104
105  for( UInt uiSourceView = 0; uiSourceView < uiNumberSourceViews; uiSourceView++ )
106  {
107    radLUT        [ uiSourceView ] = new Double**[ uiNumberTargetViews ];
108    raiLUT        [ uiSourceView ] = new Int   **[ uiNumberTargetViews ];
109
110    for( UInt uiTargetView = 0; uiTargetView < uiNumberTargetViews; uiTargetView++ )
111    {
112      radLUT        [ uiSourceView ][ uiTargetView ]      = new Double*[ 2 ];
113      radLUT        [ uiSourceView ][ uiTargetView ][ 0 ] = new Double [ 257 ];
114      radLUT        [ uiSourceView ][ uiTargetView ][ 1 ] = new Double [ 257 ];
115
116      raiLUT        [ uiSourceView ][ uiTargetView ]      = new Int*   [ 2 ];
117      raiLUT        [ uiSourceView ][ uiTargetView ][ 0 ] = new Int    [ 257 ];
118      raiLUT        [ uiSourceView ][ uiTargetView ][ 1 ] = new Int    [ 257 ];
119    }
120  }
121}
122
123Void
124  CamParsCollector::xInitLUTs( UInt uiSourceView, UInt uiTargetView, Int iScale, Int iOffset, Double****& radLUT, Int****& raiLUT)
125{
126  Int     iLog2DivLuma   = m_uiBitDepthForLUT + m_uiCamParsCodedPrecision + 1 - m_iLog2Precision;   AOF( iLog2DivLuma > 0 );
127  Int     iLog2DivChroma = iLog2DivLuma + 1;
128
129  iOffset <<= m_uiBitDepthForLUT;
130
131  Double dScale  = (Double) iScale  / (( Double ) ( 1 << iLog2DivLuma ));
132  Double dOffset = (Double) iOffset / (( Double ) ( 1 << iLog2DivLuma ));
133
134  // offsets including rounding offsets
135  Int64 iOffsetLuma   = iOffset + ( ( 1 << iLog2DivLuma   ) >> 1 );
136  Int64 iOffsetChroma = iOffset + ( ( 1 << iLog2DivChroma ) >> 1 );
137
138
139  for( UInt uiDepthValue = 0; uiDepthValue < 256; uiDepthValue++ )
140  {
141
142    // real-valued look-up tables
143    Double  dShiftLuma      = ( (Double)uiDepthValue * dScale + dOffset ) * Double( 1 << m_iLog2Precision );
144    Double  dShiftChroma    = dShiftLuma / 2;
145    radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ uiDepthValue ] = dShiftLuma;
146    radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ uiDepthValue ] = dShiftChroma;
147
148    // integer-valued look-up tables
149    Int64   iTempScale      = (Int64)uiDepthValue * iScale;
150    Int64   iShiftLuma      = ( iTempScale + iOffsetLuma   ) >> iLog2DivLuma;
151    Int64   iShiftChroma    = ( iTempScale + iOffsetChroma ) >> iLog2DivChroma;
152    raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ uiDepthValue ] = (Int)iShiftLuma;
153    raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ uiDepthValue ] = (Int)iShiftChroma;
154  }
155
156  radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 256 ] = radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 255 ];
157  radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 256 ] = radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 255 ];
158  raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 256 ] = raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 255 ];
159  raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 256 ] = raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 255 ];
160}
161
162Void
163CamParsCollector::uninit()
164{
165  m_bInitialized = false;
166}
167
168Void
169CamParsCollector::setSlice( TComSlice* pcSlice )
170{
171
172  if( pcSlice == 0 )
173  {
174    AOF( xIsComplete() );
175    if( m_bCamParsVaryOverTime || m_iLastPOC == 0 )
176    {
177      xOutput( m_iLastPOC );
178    }
179    return;
180  }
181 
182  if ( pcSlice->getIsDepth())
183  {
184    return;
185  }
186
187  Bool  bFirstAU          = ( pcSlice->getPOC()     == 0 );
188  Bool  bFirstSliceInAU   = ( pcSlice->getPOC()     != Int ( m_iLastPOC ) );
189  Bool  bFirstSliceInView = ( pcSlice->getViewIndex()  != UInt( m_iLastViewIndex ) || bFirstSliceInAU );
190
191  AOT(  bFirstSliceInAU  &&   pcSlice->getViewIndex()  != 0 );
192  AOT( !bFirstSliceInAU  &&   pcSlice->getViewIndex()   < UInt( m_iLastViewIndex ) );
193 
194  AOT( !bFirstSliceInAU  &&   pcSlice->getViewIndex()   > UInt( m_iLastViewIndex + 1 ) );
195 
196  AOT( !bFirstAU         &&   pcSlice->getViewIndex()   > m_uiMaxViewIndex );
197
198  if ( !bFirstSliceInView )
199  {
200    if( m_bCamParsVaryOverTime ) // check consistency of slice parameters here
201    {
202      UInt uiViewIndex = pcSlice->getViewIndex();
203      for( UInt uiBaseViewIndex = 0; uiBaseViewIndex < uiViewIndex; uiBaseViewIndex++ )
204      {
205        AOF( m_aaiCodedScale [ uiBaseViewIndex ][ uiViewIndex ] == pcSlice->getCodedScale    () [ uiBaseViewIndex ] );
206        AOF( m_aaiCodedOffset[ uiBaseViewIndex ][ uiViewIndex ] == pcSlice->getCodedOffset   () [ uiBaseViewIndex ] );
207        AOF( m_aaiCodedScale [ uiViewIndex ][ uiBaseViewIndex ] == pcSlice->getInvCodedScale () [ uiBaseViewIndex ] );
208        AOF( m_aaiCodedOffset[ uiViewIndex ][ uiBaseViewIndex ] == pcSlice->getInvCodedOffset() [ uiBaseViewIndex ] );
209      }
210    }
211    return;
212  }
213
214  if( bFirstSliceInAU )
215  {
216    if( !bFirstAU )
217    {
218      AOF( xIsComplete() );
219      xOutput( m_iLastPOC );
220    }
221    ::memset( m_bViewReceived, false, MAX_NUM_LAYERS * sizeof( Bool ) );
222  }
223
224  UInt uiViewIndex                       = pcSlice->getViewIndex();
225  m_bViewReceived[ uiViewIndex ]         = true;
226  if( bFirstAU )
227  {
228    m_uiMaxViewIndex                     = std::max( m_uiMaxViewIndex, uiViewIndex );
229    m_aiViewId[ uiViewIndex ]            = pcSlice->getViewId();
230    if( uiViewIndex == 1 )
231    {
232      m_uiCamParsCodedPrecision       = pcSlice->getSPS()->getCamParPrecision     ();
233      m_bCamParsVaryOverTime          = pcSlice->getSPS()->hasCamParInSliceHeader ();
234    }
235    else if( uiViewIndex > 1 )
236    {
237      AOF( m_uiCamParsCodedPrecision == pcSlice->getSPS()->getCamParPrecision     () );
238      AOF( m_bCamParsVaryOverTime    == pcSlice->getSPS()->hasCamParInSliceHeader () );
239    }
240    for( UInt uiBaseIndex = 0; uiBaseIndex < uiViewIndex; uiBaseIndex++ )
241    {
242      if( m_bCamParsVaryOverTime )
243      {
244        m_aaiCodedScale [ uiBaseIndex ][ uiViewIndex ]  = pcSlice->getCodedScale    () [ uiBaseIndex ];
245        m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ]  = pcSlice->getCodedOffset   () [ uiBaseIndex ];
246        m_aaiCodedScale [ uiViewIndex ][ uiBaseIndex ]  = pcSlice->getInvCodedScale () [ uiBaseIndex ];
247        m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ]  = pcSlice->getInvCodedOffset() [ uiBaseIndex ];
248        xInitLUTs( uiBaseIndex, uiViewIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT);
249        xInitLUTs( uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiViewIndex ][ uiBaseIndex ], m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT);
250      }
251      else
252      {
253        m_aaiCodedScale [ uiBaseIndex ][ uiViewIndex ]  = pcSlice->getSPS()->getCodedScale    () [ uiBaseIndex ];
254        m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ]  = pcSlice->getSPS()->getCodedOffset   () [ uiBaseIndex ];
255        m_aaiCodedScale [ uiViewIndex ][ uiBaseIndex ]  = pcSlice->getSPS()->getInvCodedScale () [ uiBaseIndex ];
256        m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ]  = pcSlice->getSPS()->getInvCodedOffset() [ uiBaseIndex ];
257        xInitLUTs( uiBaseIndex, uiViewIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT );
258        xInitLUTs( uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiViewIndex ][ uiBaseIndex ], m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT );
259      }
260    }
261  }
262  else
263  {
264    AOF( m_aiViewId[ uiViewIndex ] == pcSlice->getViewId() );
265    if( m_bCamParsVaryOverTime )
266    {
267      for( UInt uiBaseIndex = 0; uiBaseIndex < uiViewIndex; uiBaseIndex++ )
268      {
269        m_aaiCodedScale [ uiBaseIndex ][ uiViewIndex ]  = pcSlice->getCodedScale    () [ uiBaseIndex ];
270        m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ]  = pcSlice->getCodedOffset   () [ uiBaseIndex ];
271        m_aaiCodedScale [ uiViewIndex ][ uiBaseIndex ]  = pcSlice->getInvCodedScale () [ uiBaseIndex ];
272        m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ]  = pcSlice->getInvCodedOffset() [ uiBaseIndex ];
273
274        xInitLUTs( uiBaseIndex, uiViewIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT );
275        xInitLUTs( uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiViewIndex ][ uiBaseIndex ], m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT );
276      }
277    }
278  }
279 
280  m_iLastViewIndex = (Int)pcSlice->getViewIndex(); 
281  m_iLastPOC       = (Int)pcSlice->getPOC();
282}
283
284Bool
285CamParsCollector::xIsComplete()
286{
287  for( UInt uiView = 0; uiView <= m_uiMaxViewIndex; uiView++ )
288  {
289    if( m_bViewReceived[ uiView ] == 0 )
290    {
291      return false;
292    }
293  }
294  return true;
295}
296
297Void
298CamParsCollector::xOutput( Int iPOC )
299{
300  if( m_pCodedScaleOffsetFile )
301  {
302    if( iPOC == 0 )
303    {
304      fprintf( m_pCodedScaleOffsetFile, "#  ViewIndex       ViewId\n" );
305      fprintf( m_pCodedScaleOffsetFile, "#----------- ------------\n" );
306      for( UInt uiViewIndex = 0; uiViewIndex <= m_uiMaxViewIndex; uiViewIndex++ )
307      {
308        fprintf( m_pCodedScaleOffsetFile, "%12d %12d\n", uiViewIndex, m_aiViewId[ uiViewIndex ] );
309      }
310      fprintf( m_pCodedScaleOffsetFile, "\n\n");
311      fprintf( m_pCodedScaleOffsetFile, "# StartFrame     EndFrame   TargetView     BaseView   CodedScale  CodedOffset    Precision\n" );
312      fprintf( m_pCodedScaleOffsetFile, "#----------- ------------ ------------ ------------ ------------ ------------ ------------\n" );
313    }
314    if( iPOC == 0 || m_bCamParsVaryOverTime )
315    {
316      Int iS = iPOC;
317      Int iE = ( m_bCamParsVaryOverTime ? iPOC : ~( 1 << 31 ) );
318      for( UInt uiViewIndex = 0; uiViewIndex <= m_uiMaxViewIndex; uiViewIndex++ )
319      {
320        for( UInt uiBaseIndex = 0; uiBaseIndex <= m_uiMaxViewIndex; uiBaseIndex++ )
321        {
322          if( uiViewIndex != uiBaseIndex )
323          {
324            fprintf( m_pCodedScaleOffsetFile, "%12d %12d %12d %12d %12d %12d %12d\n",
325              iS, iE, uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_uiCamParsCodedPrecision );
326          }
327        }
328      }
329    }
330  }
331}
332#endif
333TDecTop::TDecTop()
334{
335  m_pcPic = 0;
336  m_iMaxRefPicNum = 0;
337#if ENC_DEC_TRACE
338#if H_MV
339  if ( g_hTrace == NULL )
340  {
341#endif
342  g_hTrace = fopen( "TraceDec.txt", "wb" );
343  g_bJustDoIt = g_bEncDecTraceDisable;
344  g_nSymbolCounter = 0;
345#if H_MV
346  }
347#endif
348#endif
349  m_pocCRA = 0;
350  m_prevRAPisBLA = false;
351  m_pocRandomAccess = MAX_INT; 
352  m_prevPOC                = MAX_INT;
353  m_bFirstSliceInPicture    = true;
354  m_bFirstSliceInSequence   = true;
355#if H_MV
356  m_layerId = 0;
357  m_viewId = 0;
358#if H_3D
359  m_viewIndex = 0; 
360  m_isDepth = false;
361  m_pcCamParsCollector = 0;
362#endif
363#endif
364}
365
366TDecTop::~TDecTop()
367{
368#if ENC_DEC_TRACE
369  fclose( g_hTrace );
370#endif
371}
372
373Void TDecTop::create()
374{
375  m_cGopDecoder.create();
376  m_apcSlicePilot = new TComSlice;
377  m_uiSliceIdx = 0;
378}
379
380Void TDecTop::destroy()
381{
382  m_cGopDecoder.destroy();
383 
384  delete m_apcSlicePilot;
385  m_apcSlicePilot = NULL;
386 
387  m_cSliceDecoder.destroy();
388}
389
390Void TDecTop::init()
391{
392  // initialize ROM
393#if !H_MV
394  initROM();
395#endif
396  m_cGopDecoder.init( &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO );
397  m_cSliceDecoder.init( &m_cEntropyDecoder, &m_cCuDecoder );
398  m_cEntropyDecoder.init(&m_cPrediction);
399}
400
401Void TDecTop::deletePicBuffer ( )
402{
403  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
404  Int iSize = Int( m_cListPic.size() );
405 
406  for (Int i = 0; i < iSize; i++ )
407  {
408    TComPic* pcPic = *(iterPic++);
409#if H_MV
410    if( pcPic )
411    {
412#endif
413    pcPic->destroy();
414   
415    delete pcPic;
416    pcPic = NULL;
417#if H_MV
418    }
419#endif
420  }
421 
422  m_cSAO.destroy();
423 
424  m_cLoopFilter.        destroy();
425 
426#if !H_MV
427  // destroy ROM
428  destroyROM();
429#endif
430}
431
432Void TDecTop::xGetNewPicBuffer ( TComSlice* pcSlice, TComPic*& rpcPic )
433{
434  Int  numReorderPics[MAX_TLAYER];
435  Window &conformanceWindow = pcSlice->getSPS()->getConformanceWindow();
436  Window defaultDisplayWindow = pcSlice->getSPS()->getVuiParametersPresentFlag() ? pcSlice->getSPS()->getVuiParameters()->getDefaultDisplayWindow() : Window();
437
438#if H_MV
439    assert( conformanceWindow   .getScaledFlag() ); 
440    assert( defaultDisplayWindow.getScaledFlag() );
441#endif
442  for( Int temporalLayer=0; temporalLayer < MAX_TLAYER; temporalLayer++) 
443  {
444    numReorderPics[temporalLayer] = pcSlice->getSPS()->getNumReorderPics(temporalLayer);
445  }
446
447  m_iMaxRefPicNum = pcSlice->getSPS()->getMaxDecPicBuffering(pcSlice->getTLayer());     // m_uiMaxDecPicBuffering has the space for the picture currently being decoded
448  if (m_cListPic.size() < (UInt)m_iMaxRefPicNum)
449  {
450    rpcPic = new TComPic();
451   
452    rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
453                     conformanceWindow, defaultDisplayWindow, numReorderPics, true);
454    rpcPic->getPicSym()->allocSaoParam(&m_cSAO);
455    m_cListPic.pushBack( rpcPic );
456   
457    return;
458  }
459 
460  Bool bBufferIsAvailable = false;
461  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
462  while (iterPic != m_cListPic.end())
463  {
464    rpcPic = *(iterPic++);
465    if ( rpcPic->getReconMark() == false && rpcPic->getOutputMark() == false)
466    {
467      rpcPic->setOutputMark(false);
468      bBufferIsAvailable = true;
469      break;
470    }
471
472    if ( rpcPic->getSlice( 0 )->isReferenced() == false  && rpcPic->getOutputMark() == false)
473    {
474      rpcPic->setOutputMark(false);
475      rpcPic->setReconMark( false );
476      rpcPic->getPicYuvRec()->setBorderExtension( false );
477      bBufferIsAvailable = true;
478      break;
479    }
480  }
481 
482  if ( !bBufferIsAvailable )
483  {
484    //There is no room for this picture, either because of faulty encoder or dropped NAL. Extend the buffer.
485    m_iMaxRefPicNum++;
486    rpcPic = new TComPic();
487    m_cListPic.pushBack( rpcPic );
488  }
489  rpcPic->destroy();
490  rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth,
491                   conformanceWindow, defaultDisplayWindow, numReorderPics, true);
492  rpcPic->getPicSym()->allocSaoParam(&m_cSAO);
493}
494
495#if H_MV
496Void TDecTop::endPicDecoding(Int& poc, TComList<TComPic*>*& rpcListPic, std::vector<Int>& targetDecLayerIdSet )
497#else
498Void TDecTop::executeLoopFilters(Int& poc, TComList<TComPic*>*& rpcListPic)
499#endif
500{
501  if (!m_pcPic)
502  {
503    /* nothing to deblock */
504    return;
505  }
506 
507  TComPic*&   pcPic         = m_pcPic;
508
509  // Execute Deblock + Cleanup
510
511  m_cGopDecoder.filterPicture(pcPic);
512
513  TComSlice::sortPicList( m_cListPic ); // sorting for application output
514  poc                 = pcPic->getSlice(m_uiSliceIdx-1)->getPOC();
515  rpcListPic          = &m_cListPic; 
516  m_cCuDecoder.destroy();       
517#if H_MV
518  TComSlice::markIvRefPicsAsShortTerm( m_refPicSetInterLayer0, m_refPicSetInterLayer1 ); 
519  TComSlice::markCurrPic( pcPic ); 
520  TComSlice::markIvRefPicsAsUnused   ( m_ivPicLists, targetDecLayerIdSet, m_parameterSetManagerDecoder.getActiveVPS(), m_layerId, poc ); 
521#endif
522  m_bFirstSliceInPicture  = true;
523
524  return;
525}
526
527Void TDecTop::xCreateLostPicture(Int iLostPoc) 
528{
529  printf("\ninserting lost poc : %d\n",iLostPoc);
530  TComSlice cFillSlice;
531  cFillSlice.setSPS( m_parameterSetManagerDecoder.getFirstSPS() );
532  cFillSlice.setPPS( m_parameterSetManagerDecoder.getFirstPPS() );
533  cFillSlice.initSlice();
534  TComPic *cFillPic;
535  xGetNewPicBuffer(&cFillSlice,cFillPic);
536  cFillPic->getSlice(0)->setSPS( m_parameterSetManagerDecoder.getFirstSPS() );
537  cFillPic->getSlice(0)->setPPS( m_parameterSetManagerDecoder.getFirstPPS() );
538  cFillPic->getSlice(0)->initSlice();
539 
540  TComList<TComPic*>::iterator iterPic = m_cListPic.begin();
541  Int closestPoc = 1000000;
542  while ( iterPic != m_cListPic.end())
543  {
544    TComPic * rpcPic = *(iterPic++);
545    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())
546    {
547      closestPoc=abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc);
548    }
549  }
550  iterPic = m_cListPic.begin();
551  while ( iterPic != m_cListPic.end())
552  {
553    TComPic *rpcPic = *(iterPic++);
554    if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)==closestPoc&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC())
555    {
556      printf("copying picture %d to %d (%d)\n",rpcPic->getPicSym()->getSlice(0)->getPOC() ,iLostPoc,m_apcSlicePilot->getPOC());
557      rpcPic->getPicYuvRec()->copyToPic(cFillPic->getPicYuvRec());
558      break;
559    }
560  }
561  cFillPic->setCurrSliceIdx(0);
562  for(Int i=0; i<cFillPic->getNumCUsInFrame(); i++) 
563  {
564    cFillPic->getCU(i)->initCU(cFillPic,i);
565  }
566  cFillPic->getSlice(0)->setReferenced(true);
567  cFillPic->getSlice(0)->setPOC(iLostPoc);
568  cFillPic->setReconMark(true);
569  cFillPic->setOutputMark(true);
570  if(m_pocRandomAccess == MAX_INT)
571  {
572    m_pocRandomAccess = iLostPoc;
573  }
574}
575
576
577Void TDecTop::xActivateParameterSets()
578{
579  m_parameterSetManagerDecoder.applyPrefetchedPS();
580 
581  TComPPS *pps = m_parameterSetManagerDecoder.getPPS(m_apcSlicePilot->getPPSId());
582  assert (pps != 0);
583
584  TComSPS *sps = m_parameterSetManagerDecoder.getSPS(pps->getSPSId());
585  assert (sps != 0);
586
587#if H_MV
588  TComVPS* vps = m_parameterSetManagerDecoder.getVPS(sps->getVPSId());
589  assert (vps != 0); 
590  if (false == m_parameterSetManagerDecoder.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP(), m_layerId ) )
591#else
592  if (false == m_parameterSetManagerDecoder.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP()))
593#endif
594  {
595    printf ("Parameter set activation failed!");
596    assert (0);
597  }
598
599  if( pps->getDependentSliceSegmentsEnabledFlag() )
600  {
601    Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1;
602
603    if (m_cSliceDecoder.getCtxMemSize() != NumCtx)
604    {
605      m_cSliceDecoder.initCtxMem(NumCtx);
606      for ( UInt st = 0; st < NumCtx; st++ )
607      {
608        TDecSbac* ctx = NULL;
609        ctx = new TDecSbac;
610        ctx->init( &m_cBinCABAC );
611        m_cSliceDecoder.setCtxMem( ctx, st );
612      }
613    }
614  }
615
616  m_apcSlicePilot->setPPS(pps);
617  m_apcSlicePilot->setSPS(sps);
618#if H_MV
619  m_apcSlicePilot->setVPS(vps); 
620  sps->inferRepFormat  ( vps , m_layerId ); 
621  sps->inferScalingList( m_parameterSetManagerDecoder.getActiveSPS( sps->getSpsScalingListRefLayerId() ) ); 
622#endif
623  pps->setSPS(sps);
624  pps->setNumSubstreams(pps->getEntropyCodingSyncEnabledFlag() ? ((sps->getPicHeightInLumaSamples() + sps->getMaxCUHeight() - 1) / sps->getMaxCUHeight()) * (pps->getNumColumnsMinus1() + 1) : 1);
625  pps->setMinCuDQPSize( sps->getMaxCUWidth() >> ( pps->getMaxCuDQPDepth()) );
626
627  g_bitDepthY     = sps->getBitDepthY();
628  g_bitDepthC     = sps->getBitDepthC();
629  g_uiMaxCUWidth  = sps->getMaxCUWidth();
630  g_uiMaxCUHeight = sps->getMaxCUHeight();
631  g_uiMaxCUDepth  = sps->getMaxCUDepth();
632  g_uiAddCUDepth  = max (0, sps->getLog2MinCodingBlockSize() - (Int)sps->getQuadtreeTULog2MinSize() );
633
634  for (Int i = 0; i < sps->getLog2DiffMaxMinCodingBlockSize(); i++)
635  {
636    sps->setAMPAcc( i, sps->getUseAMP() );
637  }
638
639  for (Int i = sps->getLog2DiffMaxMinCodingBlockSize(); i < sps->getMaxCUDepth(); i++)
640  {
641    sps->setAMPAcc( i, 0 );
642  }
643
644  m_cSAO.destroy();
645  m_cSAO.create( sps->getPicWidthInLumaSamples(), sps->getPicHeightInLumaSamples(), sps->getMaxCUWidth(), sps->getMaxCUHeight() );
646  m_cLoopFilter.create( sps->getMaxCUDepth() );
647}
648
649#if H_MV
650Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, Bool newLayerFlag )
651{
652  assert( nalu.m_layerId == m_layerId ); 
653
654#else
655Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay )
656{
657#endif
658  TComPic*&   pcPic         = m_pcPic;
659  m_apcSlicePilot->initSlice();
660
661  if (m_bFirstSliceInPicture)
662  {
663    m_uiSliceIdx     = 0;
664  }
665  m_apcSlicePilot->setSliceIdx(m_uiSliceIdx);
666  if (!m_bFirstSliceInPicture)
667  {
668    m_apcSlicePilot->copySliceInfo( pcPic->getPicSym()->getSlice(m_uiSliceIdx-1) );
669  }
670
671  m_apcSlicePilot->setNalUnitType(nalu.m_nalUnitType);
672  Bool nonReferenceFlag = (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N ||
673                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N   ||
674                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N  ||
675                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N  ||
676                           m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N);
677  m_apcSlicePilot->setTemporalLayerNonReferenceFlag(nonReferenceFlag);
678 
679  m_apcSlicePilot->setReferenced(true); // Putting this as true ensures that picture is referenced the first time it is in an RPS
680  m_apcSlicePilot->setTLayerInfo(nalu.m_temporalId);
681
682#if H_MV
683  m_apcSlicePilot->setRefPicSetInterLayer( & m_refPicSetInterLayer0, &m_refPicSetInterLayer1 ); 
684  m_apcSlicePilot->setLayerId( nalu.m_layerId );
685#endif
686  m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder);
687
688#if H_MV 
689  TComVPS* vps     = m_apcSlicePilot->getVPS();
690  Int layerId  = nalu.m_layerId;   
691  setViewId   ( vps->getViewId   ( layerId )      ); 
692#if H_3D
693  setViewIndex( vps->getViewIndex( layerId )      ); 
694  setIsDepth  ( vps->getDepthId  ( layerId ) == 1 ); 
695  m_ivPicLists->setVPS( vps ); 
696#endif
697#endif
698    // Skip pictures due to random access
699    if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay))
700    {
701      return false;
702    }
703    // Skip TFD pictures associated with BLA/BLANT pictures
704    if (isSkipPictureForBLA(iPOCLastDisplay))
705    {
706      return false;
707    }
708
709  //we should only get a different poc for a new picture (with CTU address==0)
710  if (m_apcSlicePilot->isNextSlice() && m_apcSlicePilot->getPOC()!=m_prevPOC && !m_bFirstSliceInSequence && (!m_apcSlicePilot->getSliceCurStartCUAddr()==0))
711  {
712    printf ("Warning, the first slice of a picture might have been lost!\n");
713  }
714  // exit when a new picture is found
715  if (m_apcSlicePilot->isNextSlice() && (m_apcSlicePilot->getSliceCurStartCUAddr() == 0 && !m_bFirstSliceInPicture) && !m_bFirstSliceInSequence )
716  {
717    if (m_prevPOC >= m_pocRandomAccess)
718    {
719      m_prevPOC = m_apcSlicePilot->getPOC();
720      return true;
721    }
722    m_prevPOC = m_apcSlicePilot->getPOC();
723  }
724#if H_MV
725  if ( newLayerFlag )
726  {
727    return false; 
728  }
729#if ENC_DEC_TRACE
730#if H_MV_ENC_DEC_TRAC
731  // parse remainder of SH
732   g_disableHLSTrace = false; 
733#endif
734#endif
735#endif
736  // actual decoding starts here
737#if H_MV
738   // This part needs further testing !
739   if ( m_apcSlicePilot->getPocResetFlag() )
740   {   
741     xResetPocInPicBuffer();
742   }
743#endif
744  xActivateParameterSets();
745
746  if (m_apcSlicePilot->isNextSlice()) 
747  {
748    m_prevPOC = m_apcSlicePilot->getPOC();
749  }
750  m_bFirstSliceInSequence = false;
751  //detect lost reference picture and insert copy of earlier frame.
752  Int lostPoc;
753  while((lostPoc=m_apcSlicePilot->checkThatAllRefPicsAreAvailable(m_cListPic, m_apcSlicePilot->getRPS(), true, m_pocRandomAccess)) > 0)
754  {
755    xCreateLostPicture(lostPoc-1);
756  }
757  if (m_bFirstSliceInPicture)
758  {
759    // Buffer initialize for prediction.
760    m_cPrediction.initTempBuff();
761    m_apcSlicePilot->applyReferencePictureSet(m_cListPic, m_apcSlicePilot->getRPS());
762#if H_MV
763    m_apcSlicePilot->createInterLayerReferencePictureSet( m_ivPicLists, m_refPicSetInterLayer0, m_refPicSetInterLayer1 ); 
764#endif
765    //  Get a new picture buffer
766    xGetNewPicBuffer (m_apcSlicePilot, pcPic);
767
768    // transfer any SEI messages that have been received to the picture
769    pcPic->setSEIs(m_SEIs);
770    m_SEIs.clear();
771
772    // Recursive structure
773    m_cCuDecoder.create ( g_uiMaxCUDepth, g_uiMaxCUWidth, g_uiMaxCUHeight );
774    m_cCuDecoder.init   ( &m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction );
775    m_cTrQuant.init     ( g_uiMaxCUWidth, g_uiMaxCUHeight, m_apcSlicePilot->getSPS()->getMaxTrSize());
776
777    m_cSliceDecoder.create();
778  }
779  else
780  {
781    // Check if any new SEI has arrived
782    if(!m_SEIs.empty())
783    {
784      // Currently only decoding Unit SEI message occurring between VCL NALUs copied
785      SEIMessages &picSEI = pcPic->getSEIs();
786      SEIMessages decodingUnitInfos = extractSeisByType (m_SEIs, SEI::DECODING_UNIT_INFO);
787      picSEI.insert(picSEI.end(), decodingUnitInfos.begin(), decodingUnitInfos.end());
788      deleteSEIs(m_SEIs);
789    }
790  }
791 
792  //  Set picture slice pointer
793  TComSlice*  pcSlice = m_apcSlicePilot;
794  Bool bNextSlice     = pcSlice->isNextSlice();
795
796  UInt uiCummulativeTileWidth;
797  UInt uiCummulativeTileHeight;
798  UInt i, j, p;
799
800  //set NumColumnsMins1 and NumRowsMinus1
801  pcPic->getPicSym()->setNumColumnsMinus1( pcSlice->getPPS()->getNumColumnsMinus1() );
802  pcPic->getPicSym()->setNumRowsMinus1( pcSlice->getPPS()->getNumRowsMinus1() );
803
804  //create the TComTileArray
805  pcPic->getPicSym()->xCreateTComTileArray();
806
807  if( pcSlice->getPPS()->getUniformSpacingFlag() )
808  {
809    //set the width for each tile
810    for(j=0; j < pcPic->getPicSym()->getNumRowsMinus1()+1; j++)
811    {
812      for(p=0; p < pcPic->getPicSym()->getNumColumnsMinus1()+1; p++)
813      {
814        pcPic->getPicSym()->getTComTile( j * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + p )->
815          setTileWidth( (p+1)*pcPic->getPicSym()->getFrameWidthInCU()/(pcPic->getPicSym()->getNumColumnsMinus1()+1) 
816          - (p*pcPic->getPicSym()->getFrameWidthInCU())/(pcPic->getPicSym()->getNumColumnsMinus1()+1) );
817      }
818    }
819
820    //set the height for each tile
821    for(j=0; j < pcPic->getPicSym()->getNumColumnsMinus1()+1; j++)
822    {
823      for(p=0; p < pcPic->getPicSym()->getNumRowsMinus1()+1; p++)
824      {
825        pcPic->getPicSym()->getTComTile( p * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + j )->
826          setTileHeight( (p+1)*pcPic->getPicSym()->getFrameHeightInCU()/(pcPic->getPicSym()->getNumRowsMinus1()+1) 
827          - (p*pcPic->getPicSym()->getFrameHeightInCU())/(pcPic->getPicSym()->getNumRowsMinus1()+1) );   
828      }
829    }
830  }
831  else
832  {
833    //set the width for each tile
834    for(j=0; j < pcSlice->getPPS()->getNumRowsMinus1()+1; j++)
835    {
836      uiCummulativeTileWidth = 0;
837      for(i=0; i < pcSlice->getPPS()->getNumColumnsMinus1(); i++)
838      {
839        pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcSlice->getPPS()->getColumnWidth(i) );
840        uiCummulativeTileWidth += pcSlice->getPPS()->getColumnWidth(i);
841      }
842      pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcPic->getPicSym()->getFrameWidthInCU()-uiCummulativeTileWidth );
843    }
844
845    //set the height for each tile
846    for(j=0; j < pcSlice->getPPS()->getNumColumnsMinus1()+1; j++)
847    {
848      uiCummulativeTileHeight = 0;
849      for(i=0; i < pcSlice->getPPS()->getNumRowsMinus1(); i++)
850      { 
851        pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcSlice->getPPS()->getRowHeight(i) );
852        uiCummulativeTileHeight += pcSlice->getPPS()->getRowHeight(i);
853      }
854      pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcPic->getPicSym()->getFrameHeightInCU()-uiCummulativeTileHeight );
855    }
856  }
857
858  pcPic->getPicSym()->xInitTiles();
859
860  //generate the Coding Order Map and Inverse Coding Order Map
861  UInt uiEncCUAddr;
862  for(i=0, uiEncCUAddr=0; i<pcPic->getPicSym()->getNumberOfCUsInFrame(); i++, uiEncCUAddr = pcPic->getPicSym()->xCalculateNxtCUAddr(uiEncCUAddr))
863  {
864    pcPic->getPicSym()->setCUOrderMap(i, uiEncCUAddr);
865    pcPic->getPicSym()->setInverseCUOrderMap(uiEncCUAddr, i);
866  }
867  pcPic->getPicSym()->setCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
868  pcPic->getPicSym()->setInverseCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame());
869
870  //convert the start and end CU addresses of the slice and dependent slice into encoding order
871  pcSlice->setSliceSegmentCurStartCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurStartCUAddr()) );
872  pcSlice->setSliceSegmentCurEndCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurEndCUAddr()) );
873  if(pcSlice->isNextSlice())
874  {
875    pcSlice->setSliceCurStartCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurStartCUAddr()));
876    pcSlice->setSliceCurEndCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurEndCUAddr()));
877  }
878
879  if (m_bFirstSliceInPicture) 
880  {
881    if(pcPic->getNumAllocatedSlice() != 1)
882    {
883      pcPic->clearSliceBuffer();
884    }
885  }
886  else
887  {
888    pcPic->allocateNewSlice();
889  }
890  assert(pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1));
891  m_apcSlicePilot = pcPic->getPicSym()->getSlice(m_uiSliceIdx); 
892  pcPic->getPicSym()->setSlice(pcSlice, m_uiSliceIdx);
893
894  pcPic->setTLayer(nalu.m_temporalId);
895
896#if H_MV
897  pcPic->setLayerId( nalu.m_layerId );
898  pcPic->setViewId ( getViewId() );
899#if H_3D
900  pcPic->setViewIndex( getViewIndex() );
901  pcPic->setIsDepth  ( getIsDepth  () );
902#endif
903#endif
904  if (bNextSlice)
905  {
906    pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_prevRAPisBLA, m_cListPic );
907    // Set reference list
908#if H_MV   
909    std::vector< TComPic* > tempRefPicLists[2];
910    std::vector< Bool     > usedAsLongTerm [2];
911    Int       numPocTotalCurr;
912
913    pcSlice->getTempRefPicLists( m_cListPic, m_refPicSetInterLayer0, m_refPicSetInterLayer1, tempRefPicLists, usedAsLongTerm, numPocTotalCurr);
914    pcSlice->setRefPicList     ( tempRefPicLists, usedAsLongTerm, numPocTotalCurr, true ); 
915#if H_3D_ARP
916    pcSlice->setARPStepNum();
917    if( pcSlice->getARPStepNum() > 1 )
918    {
919      // GT: This seems to be broken, not all nuh_layer_ids are necessarily present
920      for(Int iLayerId = 0; iLayerId < nalu.m_layerId; iLayerId ++ )
921      {
922        Int  iViewIdx =   pcSlice->getVPS()->getViewIndex(iLayerId);
923        Bool bIsDepth = ( pcSlice->getVPS()->getDepthId  ( iLayerId ) == 1 );
924        if( iViewIdx<getViewIndex() && !bIsDepth )
925        {
926          pcSlice->setBaseViewRefPicList( m_ivPicLists->getPicList( iLayerId ), iViewIdx );
927        }
928      }
929    }
930#endif
931#else
932#if FIX1071
933    pcSlice->setRefPicList( m_cListPic, true );
934#else
935    pcSlice->setRefPicList( m_cListPic );
936#endif
937
938#endif
939
940#if H_3D
941    pcSlice->setIvPicLists( m_ivPicLists );         
942#if H_3D_IV_MERGE
943#if H_3D_FCO
944    //assert( !getIsDepth() );
945#else
946    assert( !getIsDepth() || ( pcSlice->getTexturePic() != 0 ) );
947#endif
948#endif   
949#endif
950    // For generalized B
951    // note: maybe not existed case (always L0 is copied to L1 if L1 is empty)
952    if (pcSlice->isInterB() && pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0)
953    {
954      Int iNumRefIdx = pcSlice->getNumRefIdx(REF_PIC_LIST_0);
955      pcSlice->setNumRefIdx        ( REF_PIC_LIST_1, iNumRefIdx );
956
957      for (Int iRefIdx = 0; iRefIdx < iNumRefIdx; iRefIdx++)
958      {
959        pcSlice->setRefPic(pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx), REF_PIC_LIST_1, iRefIdx);
960      }
961    }
962    if (!pcSlice->isIntra())
963    {
964      Bool bLowDelay = true;
965      Int  iCurrPOC  = pcSlice->getPOC();
966      Int iRefIdx = 0;
967
968      for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_0) && bLowDelay; iRefIdx++)
969      {
970        if ( pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx)->getPOC() > iCurrPOC )
971        {
972          bLowDelay = false;
973        }
974      }
975      if (pcSlice->isInterB())
976      {
977        for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_1) && bLowDelay; iRefIdx++)
978        {
979          if ( pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx)->getPOC() > iCurrPOC )
980          {
981            bLowDelay = false;
982          }
983        }       
984      }
985
986      pcSlice->setCheckLDC(bLowDelay);           
987    }
988
989    //---------------
990    pcSlice->setRefPOCList();
991#if  H_3D_TMVP
992    if(pcSlice->getLayerId())
993      pcSlice->generateAlterRefforTMVP();
994#endif
995  }
996
997  pcPic->setCurrSliceIdx(m_uiSliceIdx);
998  if(pcSlice->getSPS()->getScalingListFlag())
999  {
1000    pcSlice->setScalingList ( pcSlice->getSPS()->getScalingList()  );
1001    if(pcSlice->getPPS()->getScalingListPresentFlag())
1002    {
1003      pcSlice->setScalingList ( pcSlice->getPPS()->getScalingList()  );
1004    }
1005    pcSlice->getScalingList()->setUseTransformSkip(pcSlice->getPPS()->getUseTransformSkip());
1006    if(!pcSlice->getPPS()->getScalingListPresentFlag() && !pcSlice->getSPS()->getScalingListPresentFlag())
1007    {
1008      pcSlice->setDefaultScalingList();
1009    }
1010    m_cTrQuant.setScalingListDec(pcSlice->getScalingList());
1011    m_cTrQuant.setUseScalingList(true);
1012  }
1013  else
1014  {
1015    m_cTrQuant.setFlatScalingList();
1016    m_cTrQuant.setUseScalingList(false);
1017  }
1018
1019  //  Decode a picture
1020  m_cGopDecoder.decompressSlice(nalu.m_Bitstream, pcPic);
1021#if H_3D
1022  if( m_pcCamParsCollector )
1023  {
1024    m_pcCamParsCollector->setSlice( pcSlice );
1025  }
1026#endif
1027  m_bFirstSliceInPicture = false;
1028  m_uiSliceIdx++;
1029
1030  return false;
1031}
1032
1033Void TDecTop::xDecodeVPS()
1034{
1035  TComVPS* vps = new TComVPS();
1036 
1037  m_cEntropyDecoder.decodeVPS( vps );
1038  m_parameterSetManagerDecoder.storePrefetchedVPS(vps); 
1039}
1040
1041Void TDecTop::xDecodeSPS()
1042{
1043  TComSPS* sps = new TComSPS();
1044#if H_MV
1045  sps->setLayerId( getLayerId() ); 
1046#endif
1047#if H_3D
1048  // Preliminary fix. assuming that all sps refer to the same SPS.
1049  // Parsing dependency should be resolved!
1050  TComVPS* vps = m_parameterSetManagerDecoder.getPrefetchedVPS( 0 ); 
1051  assert( vps != 0 ); 
1052  m_cEntropyDecoder.decodeSPS( sps, vps->getViewIndex( m_layerId ), ( vps->getDepthId( m_layerId ) == 1 ) );
1053#else
1054  m_cEntropyDecoder.decodeSPS( sps );
1055#endif
1056  m_parameterSetManagerDecoder.storePrefetchedSPS(sps);
1057}
1058
1059Void TDecTop::xDecodePPS()
1060{
1061  TComPPS* pps = new TComPPS();
1062#if H_MV
1063  pps->setLayerId( getLayerId() ); 
1064#endif
1065  m_cEntropyDecoder.decodePPS( pps );
1066  m_parameterSetManagerDecoder.storePrefetchedPPS( pps );
1067}
1068
1069Void TDecTop::xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType )
1070{
1071  if(nalUnitType == NAL_UNIT_SUFFIX_SEI)
1072  {
1073#if H_MV
1074    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS( m_layerId ) );
1075#else
1076    m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1077#endif
1078  }
1079  else
1080  {
1081#if H_MV
1082    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS( m_layerId ) );
1083#else
1084    m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() );
1085#endif
1086    SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS);
1087    if (activeParamSets.size()>0)
1088    {
1089      SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin());
1090      m_parameterSetManagerDecoder.applyPrefetchedPS();
1091      assert(seiAps->activeSeqParamSetId.size()>0);
1092#if H_MV
1093      if (! m_parameterSetManagerDecoder.activateSPSWithSEI(seiAps->activeSeqParamSetId[0], m_layerId ))
1094#else
1095      if (! m_parameterSetManagerDecoder.activateSPSWithSEI(seiAps->activeSeqParamSetId[0] ))
1096#endif
1097      {
1098        printf ("Warning SPS activation with Active parameter set SEI failed");
1099      }
1100    }
1101  }
1102}
1103
1104#if H_MV
1105Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, Bool newLayerFlag)
1106#else
1107Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay)
1108#endif
1109{
1110  // Initialize entropy decoder
1111  m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder);
1112  m_cEntropyDecoder.setBitstream      (nalu.m_Bitstream);
1113
1114  switch (nalu.m_nalUnitType)
1115  {
1116    case NAL_UNIT_VPS:
1117      xDecodeVPS();
1118      return false;
1119     
1120    case NAL_UNIT_SPS:
1121      xDecodeSPS();
1122      return false;
1123
1124    case NAL_UNIT_PPS:
1125      xDecodePPS();
1126      return false;
1127     
1128    case NAL_UNIT_PREFIX_SEI:
1129    case NAL_UNIT_SUFFIX_SEI:
1130      xDecodeSEI( nalu.m_Bitstream, nalu.m_nalUnitType );
1131      return false;
1132
1133    case NAL_UNIT_CODED_SLICE_TRAIL_R:
1134    case NAL_UNIT_CODED_SLICE_TRAIL_N:
1135    case NAL_UNIT_CODED_SLICE_TLA_R:
1136    case NAL_UNIT_CODED_SLICE_TSA_N:
1137    case NAL_UNIT_CODED_SLICE_STSA_R:
1138    case NAL_UNIT_CODED_SLICE_STSA_N:
1139    case NAL_UNIT_CODED_SLICE_BLA_W_LP:
1140    case NAL_UNIT_CODED_SLICE_BLA_W_RADL:
1141    case NAL_UNIT_CODED_SLICE_BLA_N_LP:
1142    case NAL_UNIT_CODED_SLICE_IDR_W_RADL:
1143    case NAL_UNIT_CODED_SLICE_IDR_N_LP:
1144    case NAL_UNIT_CODED_SLICE_CRA:
1145    case NAL_UNIT_CODED_SLICE_RADL_N:
1146    case NAL_UNIT_CODED_SLICE_RADL_R:
1147    case NAL_UNIT_CODED_SLICE_RASL_N:
1148    case NAL_UNIT_CODED_SLICE_RASL_R:
1149#if H_MV
1150      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, newLayerFlag);
1151#else
1152      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay);
1153#endif
1154      break;
1155    default:
1156      assert (1);
1157  }
1158
1159  return false;
1160}
1161
1162/** Function for checking if picture should be skipped because of association with a previous BLA picture
1163 * \param iPOCLastDisplay POC of last picture displayed
1164 * \returns true if the picture should be skipped
1165 * This function skips all TFD pictures that follow a BLA picture
1166 * in decoding order and precede it in output order.
1167 */
1168Bool TDecTop::isSkipPictureForBLA(Int& iPOCLastDisplay)
1169{
1170  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))
1171  {
1172    iPOCLastDisplay++;
1173    return true;
1174  }
1175  return false;
1176}
1177
1178/** Function for checking if picture should be skipped because of random access
1179 * \param iSkipFrame skip frame counter
1180 * \param iPOCLastDisplay POC of last picture displayed
1181 * \returns true if the picture shold be skipped in the random access.
1182 * This function checks the skipping of pictures in the case of -s option random access.
1183 * All pictures prior to the random access point indicated by the counter iSkipFrame are skipped.
1184 * It also checks the type of Nal unit type at the random access point.
1185 * 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.
1186 * If the random access point is IDR all pictures after the random access point are decoded.
1187 * If the random access point is none of the above, a warning is issues, and decoding of pictures with POC
1188 * equal to or greater than the random access point POC is attempted. For non IDR/CRA/BLA random
1189 * access point there is no guarantee that the decoder will not crash.
1190 */
1191Bool TDecTop::isRandomAccessSkipPicture(Int& iSkipFrame,  Int& iPOCLastDisplay)
1192{
1193  if (iSkipFrame) 
1194  {
1195    iSkipFrame--;   // decrement the counter
1196    return true;
1197  }
1198  else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet.
1199  {
1200    if (   m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA
1201        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
1202        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
1203        || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL )
1204    {
1205      // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT.
1206      m_pocRandomAccess = m_apcSlicePilot->getPOC();
1207    }
1208    else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP )
1209    {
1210      m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable.
1211    }
1212    else 
1213    {
1214      static Bool warningMessage = false;
1215      if(!warningMessage)
1216      {
1217        printf("\nWarning: this is not a valid random access point and the data is discarded until the first CRA picture");
1218        warningMessage = true;
1219      }
1220      return true;
1221    }
1222  }
1223  // skip the reordered pictures, if necessary
1224  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))
1225  {
1226    iPOCLastDisplay++;
1227    return true;
1228  }
1229  // if we reach here, then the picture is not skipped.
1230  return false; 
1231}
1232
1233#if H_MV
1234TComPic* TDecTop::getPic( Int poc )
1235{
1236  xGetPic( m_layerId, poc ); 
1237  TComList<TComPic*>* listPic = getListPic();
1238  TComPic* pcPic = NULL;
1239  for(TComList<TComPic*>::iterator it=listPic->begin(); it!=listPic->end(); it++)
1240  {
1241    if( (*it)->getPOC() == poc )
1242    {
1243      pcPic = *it ;
1244      break ;
1245    }
1246  }
1247  return pcPic;
1248}
1249
1250TComPic* TDecTop::xGetPic( Int layerId, Int poc )
1251{ 
1252  return m_ivPicLists->getPic( layerId, poc ) ;
1253}
1254
1255Void TDecTop::xResetPocInPicBuffer()
1256{
1257  TComList<TComPic*>::iterator  iterPic   = m_cListPic.begin();
1258  while (iterPic != m_cListPic.end())
1259  {
1260    TComPic* pic = *(iterPic++);
1261    if ( pic->getReconMark() )
1262    {
1263      for( Int i = 0; i < pic->getNumAllocatedSlice(); i++)
1264      {
1265        TComSlice* slice = pic->getSlice( i ); 
1266        slice->setPOC ( slice->getPOC() - m_apcSlicePilot->getPocBeforeReset() );           
1267      }         
1268    }     
1269  }
1270}
1271#endif
1272//! \}
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