source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibCommon/TComPic.cpp @ 1502

Last change on this file since 1502 was 1502, checked in by seregin, 8 years ago

infer parameters in SPS after activation, fixing chroma scaling for non 4:2:0
  • Property svn:eol-style set to native
File size: 17.0 KB
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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
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4 * granted under this license.
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29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/** \file     TComPic.cpp
35    \brief    picture class
36*/
37
38#include "TComPic.h"
39#include "SEI.h"
40
41//! \ingroup TLibCommon
42//! \{
43
44// ====================================================================================================================
45// Constructor / destructor / create / destroy
46// ====================================================================================================================
47
48TComPic::TComPic()
49: m_uiTLayer                              (0)
50, m_bUsedByCurr                           (false)
51, m_bIsLongTerm                           (false)
52, m_pcPicYuvPred                          (NULL)
53, m_pcPicYuvResi                          (NULL)
54, m_bReconstructed                        (false)
55, m_bNeededForOutput                      (false)
56, m_uiCurrSliceIdx                        (0)
57, m_bCheckLTMSB                           (false)
58#if SVC_EXTENSION
59, m_layerId( 0 )
60#endif
61{
62#if SVC_EXTENSION
63  memset( m_pcFullPelBaseRec, 0, sizeof( m_pcFullPelBaseRec ) );
64  memset( m_bSpatialEnhLayer, false, sizeof( m_bSpatialEnhLayer ) );
65  memset( m_equalPictureSizeAndOffsetFlag, false, sizeof( m_equalPictureSizeAndOffsetFlag ) );
66  memset( m_mvScalingFactor, 0, sizeof( m_mvScalingFactor ) );
67  memset( m_posScalingFactor, 0, sizeof( m_posScalingFactor ) );
68#endif
69  for(UInt i=0; i<NUM_PIC_YUV; i++)
70  {
71    m_apcPicYuv[i]      = NULL;
72  }
73}
74
75TComPic::~TComPic()
76{
77}
78#if SVC_EXTENSION
79Void TComPic::create( const TComVPS &vps, const TComSPS &sps, const TComPPS &pps, const Bool bIsVirtual, const UInt layerId )
80{
81  const ChromaFormat chromaFormatIDC = sps.getChromaFormatIdc();
82  const Int          iWidth          = sps.getPicWidthInLumaSamples();
83  const Int          iHeight         = sps.getPicHeightInLumaSamples();
84  const UInt         uiMaxCuWidth    = sps.getMaxCUWidth();
85  const UInt         uiMaxCuHeight   = sps.getMaxCUHeight();
86  const UInt         uiMaxDepth      = sps.getMaxTotalCUDepth();
87  const Window& conformanceWindow    = sps.getConformanceWindow();
88
89  m_layerId = layerId;
90
91  m_picSym.create( vps, sps, pps, uiMaxDepth, layerId );
92
93  if (!bIsVirtual)
94  {
95    m_apcPicYuv[PIC_YUV_ORG]  = new TComPicYuv;  m_apcPicYuv[PIC_YUV_ORG]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true, &conformanceWindow );
96    m_apcPicYuv[PIC_YUV_TRUE_ORG]  = new TComPicYuv;  m_apcPicYuv[PIC_YUV_TRUE_ORG]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true, &conformanceWindow );
97  }
98  m_apcPicYuv[PIC_YUV_REC]  = new TComPicYuv;  m_apcPicYuv[PIC_YUV_REC]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true, &conformanceWindow );
99
100  for( Int i = 0; i < MAX_LAYERS; i++ )
101  {
102    if( m_bSpatialEnhLayer[i] )
103    {
104      m_pcFullPelBaseRec[i] = new TComPicYuv;  m_pcFullPelBaseRec[i]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true, &conformanceWindow );
105    }
106  }   
107
108  // there are no SEI messages associated with this picture initially
109  if (m_SEIs.size() > 0)
110  {
111    deleteSEIs (m_SEIs);
112  }
113  m_bUsedByCurr = false;
114}
115#else
116Void TComPic::create( const TComSPS &sps, const TComPPS &pps, const Bool bIsVirtual)
117{
118  const ChromaFormat chromaFormatIDC = sps.getChromaFormatIdc();
119  const Int          iWidth          = sps.getPicWidthInLumaSamples();
120  const Int          iHeight         = sps.getPicHeightInLumaSamples();
121  const UInt         uiMaxCuWidth    = sps.getMaxCUWidth();
122  const UInt         uiMaxCuHeight   = sps.getMaxCUHeight();
123  const UInt         uiMaxDepth      = sps.getMaxTotalCUDepth();
124
125  m_picSym.create( sps, pps, uiMaxDepth );
126  if (!bIsVirtual)
127  {
128    m_apcPicYuv[PIC_YUV_ORG    ]   = new TComPicYuv;  m_apcPicYuv[PIC_YUV_ORG     ]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true );
129    m_apcPicYuv[PIC_YUV_TRUE_ORG]  = new TComPicYuv;  m_apcPicYuv[PIC_YUV_TRUE_ORG]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true );
130  }
131  m_apcPicYuv[PIC_YUV_REC]  = new TComPicYuv;  m_apcPicYuv[PIC_YUV_REC]->create( iWidth, iHeight, chromaFormatIDC, uiMaxCuWidth, uiMaxCuHeight, uiMaxDepth, true );
132
133  // there are no SEI messages associated with this picture initially
134  if (m_SEIs.size() > 0)
135  {
136    deleteSEIs (m_SEIs);
137  }
138  m_bUsedByCurr = false;
139}
140#endif
141
142Void TComPic::destroy()
143{
144  m_picSym.destroy();
145
146  for(UInt i=0; i<NUM_PIC_YUV; i++)
147  {
148    if (m_apcPicYuv[i])
149    {
150      m_apcPicYuv[i]->destroy();
151      delete m_apcPicYuv[i];
152      m_apcPicYuv[i]  = NULL;
153    }
154  }
155
156  deleteSEIs(m_SEIs);
157#if SVC_EXTENSION
158  for( Int i = 0; i < MAX_LAYERS; i++ )
159  {
160    if( m_bSpatialEnhLayer[i] && m_pcFullPelBaseRec[i] )
161    {
162      m_pcFullPelBaseRec[i]->destroy();
163      delete m_pcFullPelBaseRec[i];
164      m_pcFullPelBaseRec[i]  = NULL;
165    }
166  }
167
168  for( Int comp = 0; comp < 2; comp++ )
169  {
170    if( m_mvScalingFactor[comp] )
171    {
172      delete [] m_mvScalingFactor[comp];
173      m_mvScalingFactor[comp] = NULL;
174    }
175
176    if( m_posScalingFactor[comp] )
177    {
178      delete [] m_posScalingFactor[comp];
179      m_posScalingFactor[comp] = NULL;
180    }
181  }
182#endif
183}
184
185Void TComPic::compressMotion()
186{
187  TComPicSym* pPicSym = getPicSym();
188  for ( UInt uiCUAddr = 0; uiCUAddr < pPicSym->getNumberOfCtusInFrame(); uiCUAddr++ )
189  {
190    TComDataCU* pCtu = pPicSym->getCtu(uiCUAddr);
191    pCtu->compressMV();
192  }
193}
194
195Bool  TComPic::getSAOMergeAvailability(Int currAddr, Int mergeAddr)
196{
197  Bool mergeCtbInSliceSeg = (mergeAddr >= getPicSym()->getCtuTsToRsAddrMap(getCtu(currAddr)->getSlice()->getSliceCurStartCtuTsAddr()));
198  Bool mergeCtbInTile     = (getPicSym()->getTileIdxMap(mergeAddr) == getPicSym()->getTileIdxMap(currAddr));
199  return (mergeCtbInSliceSeg && mergeCtbInTile);
200}
201
202UInt TComPic::getSubstreamForCtuAddr(const UInt ctuAddr, const Bool bAddressInRaster, TComSlice *pcSlice)
203{
204  UInt subStrm;
205  const bool bWPPEnabled=pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag();
206  const TComPicSym &picSym            = *(getPicSym());
207
208  if ((bWPPEnabled && picSym.getFrameHeightInCtus()>1) || (picSym.getNumTiles()>1)) // wavefronts, and possibly tiles being used.
209  {
210    if (bWPPEnabled)
211    {
212      const UInt ctuRsAddr                = bAddressInRaster?ctuAddr : picSym.getCtuTsToRsAddrMap(ctuAddr);
213      const UInt frameWidthInCtus         = picSym.getFrameWidthInCtus();
214      const UInt tileIndex                = picSym.getTileIdxMap(ctuRsAddr);
215      const UInt numTileColumns           = (picSym.getNumTileColumnsMinus1()+1);
216      const TComTile *pTile               = picSym.getTComTile(tileIndex);
217      const UInt firstCtuRsAddrOfTile     = pTile->getFirstCtuRsAddr();
218      const UInt tileYInCtus              = firstCtuRsAddrOfTile / frameWidthInCtus;
219      // independent tiles => substreams are "per tile"
220      const UInt ctuLine                  = ctuRsAddr / frameWidthInCtus;
221      const UInt startingSubstreamForTile =(tileYInCtus*numTileColumns) + (pTile->getTileHeightInCtus()*(tileIndex%numTileColumns));
222      subStrm = startingSubstreamForTile + (ctuLine - tileYInCtus);
223    }
224    else
225    {
226      const UInt ctuRsAddr                = bAddressInRaster?ctuAddr : picSym.getCtuTsToRsAddrMap(ctuAddr);
227      const UInt tileIndex                = picSym.getTileIdxMap(ctuRsAddr);
228      subStrm=tileIndex;
229    }
230  }
231  else
232  {
233    // dependent tiles => substreams are "per frame".
234    subStrm = 0;
235  }
236  return subStrm;
237}
238
239#if SVC_EXTENSION
240Void TComPic::createMvScalingFactor(UInt numOfILRPs)
241{
242  // picture object might be reused and hence m_mvScalingFactor[0] can be already allocated
243  if(m_mvScalingFactor[0])
244  {
245    delete m_mvScalingFactor[0];
246  }
247  m_mvScalingFactor[0] = new Int[numOfILRPs];
248
249  // picture object might be reused and hence m_mvScalingFactor[1] can be already allocated
250  if(m_mvScalingFactor[1])
251  {
252    delete m_mvScalingFactor[1];
253  }
254  m_mvScalingFactor[1] = new Int[numOfILRPs];
255}
256
257Void TComPic::createPosScalingFactor(UInt numOfILRPs)
258{
259  // picture object might be reused and hence m_posScalingFactor[0] can be already allocated
260  if(m_posScalingFactor[0])
261  {
262    delete m_posScalingFactor[0];
263  }
264  m_posScalingFactor[0] = new Int[numOfILRPs];
265
266  // picture object might be reused and hence m_posScalingFactor[1] can be already allocated
267  if(m_posScalingFactor[1])
268  {
269    delete m_posScalingFactor[1];
270  }
271  m_posScalingFactor[1] = new Int[numOfILRPs];
272}
273
274Void copyOnetoOnePicture(    // SVC_NONCOLL
275                  Pel *in,       
276                  Pel *out,     
277                  Int nCols,
278                  Int nRows, 
279                  Int fullRowWidth)
280{
281  Int rX;
282
283  for (rX = 0; rX < nRows; rX++)       
284  {
285    memcpy( out, in, sizeof(Pel) * nCols );
286    in = in + fullRowWidth;
287    out = out + fullRowWidth;
288  }
289}
290
291Void TComPic::copyUpsampledPictureYuv(TComPicYuv*   pcPicYuvIn, TComPicYuv*   pcPicYuvOut)
292{
293#if SCALABLE_REXT
294  Int upsampledRowWidthLuma = pcPicYuvOut->getStride(COMPONENT_Y); // 2 * pcPicYuvOut->getLumaMargin() + pcPicYuvOut->getWidth();
295  copyOnetoOnePicture(
296    pcPicYuvIn->getAddr(COMPONENT_Y),       
297    pcPicYuvOut->getAddr(COMPONENT_Y),     
298    pcPicYuvOut->getWidth(COMPONENT_Y), 
299    pcPicYuvOut->getHeight(COMPONENT_Y),
300    upsampledRowWidthLuma);
301
302  if(pcPicYuvOut->getChromaFormat() != CHROMA_400)
303  {
304    Int upsampledRowWidthChroma = pcPicYuvOut->getStride(COMPONENT_Cb); //2 * pcPicYuvOut->getChromaMargin() + (pcPicYuvOut->getWidth()>>1);
305
306    copyOnetoOnePicture(
307      pcPicYuvIn->getAddr(COMPONENT_Cr),       
308      pcPicYuvOut->getAddr(COMPONENT_Cr),     
309      pcPicYuvOut->getWidth(COMPONENT_Cr), 
310      pcPicYuvOut->getHeight(COMPONENT_Cr),
311      upsampledRowWidthChroma);
312    copyOnetoOnePicture(
313      pcPicYuvIn->getAddr(COMPONENT_Cb),       
314      pcPicYuvOut->getAddr(COMPONENT_Cb),     
315      pcPicYuvOut->getWidth(COMPONENT_Cb), 
316      pcPicYuvOut->getHeight(COMPONENT_Cb),
317      upsampledRowWidthChroma);
318  }
319#else
320  Int upsampledRowWidthLuma = pcPicYuvOut->getStride(COMPONENT_Y); // 2 * pcPicYuvOut->getLumaMargin() + pcPicYuvOut->getWidth();
321  Int upsampledRowWidthCroma = pcPicYuvOut->getStride(COMPONENT_Cb); //2 * pcPicYuvOut->getChromaMargin() + (pcPicYuvOut->getWidth()>>1);
322
323  copyOnetoOnePicture(
324    pcPicYuvIn->getAddr(COMPONENT_Y),       
325    pcPicYuvOut->getAddr(COMPONENT_Y),     
326    pcPicYuvOut->getWidth(COMPONENT_Y), 
327    pcPicYuvOut->getHeight(COMPONENT_Y),
328    upsampledRowWidthLuma);
329  copyOnetoOnePicture(
330    pcPicYuvIn->getAddr(COMPONENT_Cr),       
331    pcPicYuvOut->getAddr(COMPONENT_Cr),     
332    pcPicYuvOut->getWidth(COMPONENT_Y)>>1, 
333    pcPicYuvOut->getHeight(COMPONENT_Y)>>1,
334    upsampledRowWidthCroma);
335  copyOnetoOnePicture(
336    pcPicYuvIn->getAddr(COMPONENT_Cb),       
337    pcPicYuvOut->getAddr(COMPONENT_Cb),     
338    pcPicYuvOut->getWidth(COMPONENT_Y)>>1, 
339    pcPicYuvOut->getHeight(COMPONENT_Y)>>1,
340    upsampledRowWidthCroma);
341#endif
342}
343
344Void TComPic::copyUpsampledMvField(UInt refLayerIdc, Int** mvScalingFactor, Int** posScalingFactor)
345{
346  const TComSPS *sps       = getSlice(0)->getSPS();
347  const UInt uiMaxDepth    = sps->getMaxTotalCUDepth();
348  const UInt numPartitions = 1<<(uiMaxDepth<<1);
349  const UInt widthMinPU    = sps->getMaxCUWidth()  / (1<<uiMaxDepth);
350  const UInt heightMinPU   = sps->getMaxCUHeight() / (1<<uiMaxDepth);
351  const Int  unitNum       = max( 1, (Int)((16/widthMinPU)*(16/heightMinPU)) ); 
352
353  for(UInt cuIdx = 0; cuIdx < getPicSym()->getNumberOfCtusInFrame(); cuIdx++)  //each LCU
354  {
355    TComDataCU* pcCUDes = getCtu(cuIdx);
356
357    for(UInt absPartIdx = 0; absPartIdx < numPartitions; absPartIdx+=unitNum )  //each 16x16 unit
358    {
359      //pixel position of each unit in up-sampled layer
360      UInt pelX = pcCUDes->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[absPartIdx] ];
361      UInt pelY = pcCUDes->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[absPartIdx] ];
362      UInt baseCUAddr, baseAbsPartIdx;
363
364      TComDataCU *pcColCU = 0;
365      pcColCU = pcCUDes->getBaseColCU(refLayerIdc, pelX, pelY, baseCUAddr, baseAbsPartIdx, posScalingFactor, true);
366
367      if( pcColCU && pcColCU->getPredictionMode(baseAbsPartIdx) == MODE_INTER )  //base layer unit not skip and invalid mode
368      {
369        for(UInt refPicList = 0; refPicList < 2; refPicList++)  //for each reference list
370        {
371          TComMvField sMvFieldBase, sMvField;
372          pcColCU->getMvField( pcColCU, baseAbsPartIdx, (RefPicList)refPicList, sMvFieldBase);
373          pcCUDes->scaleBaseMV( refLayerIdc, sMvField, sMvFieldBase, mvScalingFactor );
374
375          pcCUDes->getCUMvField((RefPicList)refPicList)->setMvField(sMvField, absPartIdx);
376          pcCUDes->setPredictionMode(absPartIdx, MODE_INTER);
377        }
378      }
379      else
380      {
381        TComMvField zeroMvField;  //zero MV and invalid reference index
382        pcCUDes->getCUMvField(REF_PIC_LIST_0)->setMvField(zeroMvField, absPartIdx);
383        pcCUDes->getCUMvField(REF_PIC_LIST_1)->setMvField(zeroMvField, absPartIdx);
384        pcCUDes->setPredictionMode(absPartIdx, MODE_INTRA);
385      }
386
387      for(UInt i = 1; i < unitNum; i++ ) 
388      {
389        pcCUDes->getCUMvField(REF_PIC_LIST_0)->setMvField(pcCUDes->getCUMvField(REF_PIC_LIST_0)->getMv(absPartIdx), pcCUDes->getCUMvField(REF_PIC_LIST_0)->getRefIdx(absPartIdx), absPartIdx + i);
390        pcCUDes->getCUMvField(REF_PIC_LIST_1)->setMvField(pcCUDes->getCUMvField(REF_PIC_LIST_1)->getMv(absPartIdx), pcCUDes->getCUMvField(REF_PIC_LIST_1)->getRefIdx(absPartIdx), absPartIdx + i);
391        pcCUDes->setPredictionMode(absPartIdx+i, pcCUDes->getPredictionMode(absPartIdx));
392      }
393    }
394    memset( pcCUDes->getPartitionSize(), SIZE_2Nx2N, sizeof(SChar)*numPartitions );
395  }
396}
397
398Void TComPic::initUpsampledMvField()
399{
400  const TComSPS *sps         = getSlice(0)->getSPS();
401  const UInt uiMaxDepth      = sps->getMaxTotalCUDepth();
402  const UInt uiNumPartitions = 1<<(uiMaxDepth<<1);
403
404  for(UInt cuIdx = 0; cuIdx < getPicSym()->getNumberOfCtusInFrame(); cuIdx++)  //each LCU
405  {
406    TComDataCU* pcCUDes = getCtu(cuIdx);
407    TComMvField zeroMvField;
408    for(UInt list = 0; list < 2; list++)  //each reference list
409    {
410      for(UInt i = 0; i < uiNumPartitions; i++ ) 
411      {
412        pcCUDes->getCUMvField(REF_PIC_LIST_0)->setMvField(zeroMvField, i);
413        pcCUDes->getCUMvField(REF_PIC_LIST_1)->setMvField(zeroMvField, i);
414        pcCUDes->setPredictionMode(i, MODE_INTRA);
415        pcCUDes->setPartitionSize(i, SIZE_2Nx2N);
416      }
417    }
418  }
419  return;
420}
421
422Bool TComPic::checkSameRefInfo()
423{
424  Bool bSameRefInfo = true;
425  TComSlice * pSlice0 = getSlice( 0 );
426  for( UInt uSliceID = getNumAllocatedSlice() - 1 ; bSameRefInfo && uSliceID > 0 ; uSliceID-- )
427  {
428    TComSlice * pSliceN = getSlice( uSliceID );
429    if( pSlice0->getSliceType() != pSliceN->getSliceType() )
430    {
431      bSameRefInfo = false;
432    }
433    else if( pSlice0->getSliceType() != I_SLICE )
434    {
435      Int nListNum = pSlice0->getSliceType() == B_SLICE ? 2 : 1;
436      for( Int nList = 0 ; nList < nListNum ; nList++ )
437      {
438        RefPicList eRefList = ( RefPicList )nList;
439        if( pSlice0->getNumRefIdx( eRefList ) == pSliceN->getNumRefIdx( eRefList ) )
440        {
441          for( Int refIdx = pSlice0->getNumRefIdx( eRefList ) - 1 ; refIdx >= 0 ; refIdx-- )
442          {
443            if( pSlice0->getRefPic( eRefList , refIdx ) != pSliceN->getRefPic( eRefList , refIdx ) )
444            {
445              bSameRefInfo = false;
446              break;
447            }
448          }
449        }
450        else
451        {
452          bSameRefInfo = false;
453          break;
454        }
455      }
456    }
457  }
458
459  return( bSameRefInfo ); 
460}
461#endif //SVC_EXTENSION
462
463//! \}
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