source: 3DVCSoftware/branches/HTM-16.1-dev/source/Lib/TLibCommon/TComPicSym.cpp @ 1401

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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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33
34/** \file     TComPicSym.cpp
35    \brief    picture symbol class
36*/
37
38#include "TComPicSym.h"
39#include "TComSampleAdaptiveOffset.h"
40#include "TComSlice.h"
41
42//! \ingroup TLibCommon
43//! \{
44
45// ====================================================================================================================
46// Constructor / destructor / create / destroy
47// ====================================================================================================================
48
49TComPicSym::TComPicSym()
50:m_frameWidthInCtus(0)
51,m_frameHeightInCtus(0)
52,m_uiMinCUWidth(0)
53,m_uiMinCUHeight(0)
54,m_uhTotalDepth(0)
55,m_numPartitionsInCtu(0)
56,m_numPartInCtuWidth(0)
57,m_numPartInCtuHeight(0)
58,m_numCtusInFrame(0)
59,m_apSlices()
60,m_pictureCtuArray(NULL)
61,m_numTileColumnsMinus1(0)
62,m_numTileRowsMinus1(0)
63,m_ctuTsToRsAddrMap(NULL)
64,m_puiTileIdxMap(NULL)
65,m_ctuRsToTsAddrMap(NULL)
66,m_saoBlkParams(NULL)
67#if ADAPTIVE_QP_SELECTION
68,m_pParentARLBuffer(NULL)
69#endif
70{}
71
72
73Void TComPicSym::create  ( const TComSPS &sps, const TComPPS &pps, UInt uiMaxDepth )
74{
75  UInt i;
76  m_sps = sps;
77  m_pps = pps;
78
79  const ChromaFormat chromaFormatIDC = sps.getChromaFormatIdc();
80  const Int iPicWidth      = sps.getPicWidthInLumaSamples();
81  const Int iPicHeight     = sps.getPicHeightInLumaSamples();
82  const UInt uiMaxCuWidth  = sps.getMaxCUWidth();
83  const UInt uiMaxCuHeight = sps.getMaxCUHeight();
84
85  m_uhTotalDepth       = uiMaxDepth;
86  m_numPartitionsInCtu = 1<<(m_uhTotalDepth<<1);
87
88  m_uiMinCUWidth       = uiMaxCuWidth  >> m_uhTotalDepth;
89  m_uiMinCUHeight      = uiMaxCuHeight >> m_uhTotalDepth;
90
91  m_numPartInCtuWidth  = uiMaxCuWidth  / m_uiMinCUWidth;  // equivalent to 1<<m_uhTotalDepth
92  m_numPartInCtuHeight = uiMaxCuHeight / m_uiMinCUHeight; // equivalent to 1<<m_uhTotalDepth
93
94  m_frameWidthInCtus   = ( iPicWidth %uiMaxCuWidth  ) ? iPicWidth /uiMaxCuWidth  + 1 : iPicWidth /uiMaxCuWidth;
95  m_frameHeightInCtus  = ( iPicHeight%uiMaxCuHeight ) ? iPicHeight/uiMaxCuHeight + 1 : iPicHeight/uiMaxCuHeight;
96
97  m_numCtusInFrame     = m_frameWidthInCtus * m_frameHeightInCtus;
98  m_pictureCtuArray    = new TComDataCU*[m_numCtusInFrame];
99
100  clearSliceBuffer();
101  allocateNewSlice();
102
103#if ADAPTIVE_QP_SELECTION
104  if (m_pParentARLBuffer == NULL)
105  {
106     m_pParentARLBuffer = new TCoeff[uiMaxCuWidth*uiMaxCuHeight*MAX_NUM_COMPONENT];
107  }
108#endif
109
110  for ( i=0; i<m_numCtusInFrame ; i++ )
111  {
112    m_pictureCtuArray[i] = new TComDataCU;
113    m_pictureCtuArray[i]->create( chromaFormatIDC, m_numPartitionsInCtu, uiMaxCuWidth, uiMaxCuHeight, false, uiMaxCuWidth >> m_uhTotalDepth
114#if ADAPTIVE_QP_SELECTION
115      , m_pParentARLBuffer
116#endif
117      );
118  }
119
120  m_ctuTsToRsAddrMap = new UInt[m_numCtusInFrame+1];
121  m_puiTileIdxMap    = new UInt[m_numCtusInFrame];
122  m_ctuRsToTsAddrMap = new UInt[m_numCtusInFrame+1];
123
124  for( i=0; i<m_numCtusInFrame; i++ )
125  {
126    m_ctuTsToRsAddrMap[i] = i;
127    m_ctuRsToTsAddrMap[i] = i;
128  }
129
130  m_saoBlkParams = new SAOBlkParam[m_numCtusInFrame];
131
132
133  xInitTiles();
134  xInitCtuTsRsAddrMaps();
135
136}
137
138Void TComPicSym::destroy()
139{
140  clearSliceBuffer();
141
142  if (m_pictureCtuArray)
143  {
144  for (Int i = 0; i < m_numCtusInFrame; i++)
145  {
146      if (m_pictureCtuArray[i])
147      {
148    m_pictureCtuArray[i]->destroy();
149    delete m_pictureCtuArray[i];
150    m_pictureCtuArray[i] = NULL;
151  }
152    }
153  delete [] m_pictureCtuArray;
154  m_pictureCtuArray = NULL;
155  }
156
157  delete [] m_ctuTsToRsAddrMap;
158  m_ctuTsToRsAddrMap = NULL;
159
160  delete [] m_puiTileIdxMap;
161  m_puiTileIdxMap = NULL;
162
163  delete [] m_ctuRsToTsAddrMap;
164  m_ctuRsToTsAddrMap = NULL;
165
166  if(m_saoBlkParams)
167  {
168    delete[] m_saoBlkParams; m_saoBlkParams = NULL;
169  }
170
171#if ADAPTIVE_QP_SELECTION
172  delete [] m_pParentARLBuffer;
173  m_pParentARLBuffer = NULL;
174#endif
175}
176
177Void TComPicSym::allocateNewSlice()
178{
179  m_apSlices.push_back(new TComSlice);
180  m_apSlices.back()->setPPS(&m_pps);
181  m_apSlices.back()->setSPS(&m_sps);
182  if (m_apSlices.size()>=2)
183  {
184    m_apSlices.back()->copySliceInfo( m_apSlices[m_apSlices.size()-2] );
185    m_apSlices.back()->initSlice();
186  }
187}
188
189Void TComPicSym::clearSliceBuffer()
190{
191  for (UInt i = 0; i < UInt(m_apSlices.size()); i++)
192  {
193    delete m_apSlices[i];
194  }
195  m_apSlices.clear();
196}
197
198Void TComPicSym::xInitCtuTsRsAddrMaps()
199{
200  //generate the Coding Order Map and Inverse Coding Order Map
201  for(Int ctuTsAddr=0, ctuRsAddr=0; ctuTsAddr<getNumberOfCtusInFrame(); ctuTsAddr++, ctuRsAddr = xCalculateNextCtuRSAddr(ctuRsAddr))
202  {
203    setCtuTsToRsAddrMap(ctuTsAddr, ctuRsAddr);
204    setCtuRsToTsAddrMap(ctuRsAddr, ctuTsAddr);
205  }
206  setCtuTsToRsAddrMap(getNumberOfCtusInFrame(), getNumberOfCtusInFrame());
207  setCtuRsToTsAddrMap(getNumberOfCtusInFrame(), getNumberOfCtusInFrame());
208}
209
210Void TComPicSym::xInitTiles()
211{
212  //set NumColumnsMinus1 and NumRowsMinus1
213  setNumTileColumnsMinus1( m_pps.getNumTileColumnsMinus1() );
214  setNumTileRowsMinus1(    m_pps.getNumTileRowsMinus1()    );
215
216  const Int numCols = m_pps.getNumTileColumnsMinus1() + 1;
217  const Int numRows = m_pps.getNumTileRowsMinus1() + 1;
218  const Int numTiles = numRows * numCols;
219
220  // allocate memory for tile parameters
221  m_tileParameters.resize(numTiles);
222
223  if( m_pps.getTileUniformSpacingFlag() )
224  {
225    //set width and height for each (uniform) tile
226    for(Int row=0; row < numRows; row++)
227    {
228      for(Int col=0; col < numCols; col++)
229      {
230        const Int tileIdx = row * numCols + col;
231        m_tileParameters[tileIdx].setTileWidthInCtus(  (col+1)*getFrameWidthInCtus( )/numCols - (col*getFrameWidthInCtus( ))/numCols );
232        m_tileParameters[tileIdx].setTileHeightInCtus( (row+1)*getFrameHeightInCtus()/numRows - (row*getFrameHeightInCtus())/numRows );
233      }
234    }
235  }
236  else
237  {
238    //set the width for each tile
239    for(Int row=0; row < numRows; row++)
240    {
241      Int cumulativeTileWidth = 0;
242      for(Int col=0; col < getNumTileColumnsMinus1(); col++)
243      {
244        m_tileParameters[row * numCols + col].setTileWidthInCtus( m_pps.getTileColumnWidth(col) );
245        cumulativeTileWidth += m_pps.getTileColumnWidth(col);
246      }
247      m_tileParameters[row * numCols + getNumTileColumnsMinus1()].setTileWidthInCtus( getFrameWidthInCtus()-cumulativeTileWidth );
248    }
249
250    //set the height for each tile
251    for(Int col=0; col < numCols; col++)
252    {
253      Int cumulativeTileHeight = 0;
254      for(Int row=0; row < getNumTileRowsMinus1(); row++)
255      {
256        m_tileParameters[row * numCols + col].setTileHeightInCtus( m_pps.getTileRowHeight(row) );
257        cumulativeTileHeight += m_pps.getTileRowHeight(row);
258      }
259      m_tileParameters[getNumTileRowsMinus1() * numCols + col].setTileHeightInCtus( getFrameHeightInCtus()-cumulativeTileHeight );
260    }
261  }
262
263  // Tile size check
264  Int minWidth  = 1;
265  Int minHeight = 1;
266  const Int profileIdc = m_sps.getPTL()->getGeneralPTL()->getProfileIdc();
267  if (  profileIdc == Profile::MAIN || profileIdc == Profile::MAIN10) //TODO: add more profiles to the tile-size check...
268  {
269    if (m_pps.getTilesEnabledFlag())
270    {
271      minHeight = 64  / m_sps.getMaxCUHeight();
272      minWidth  = 256 / m_sps.getMaxCUWidth();
273    }
274  }
275  for(Int row=0; row < numRows; row++)
276  {
277    for(Int col=0; col < numCols; col++)
278    {
279      const Int tileIdx = row * numCols + col;
280      assert (m_tileParameters[tileIdx].getTileWidthInCtus() >= minWidth);
281      assert (m_tileParameters[tileIdx].getTileHeightInCtus() >= minHeight);
282    }
283  }
284
285  //initialize each tile of the current picture
286  for( Int row=0; row < numRows; row++ )
287  {
288    for( Int col=0; col < numCols; col++ )
289    {
290      const Int tileIdx = row * numCols + col;
291
292      //initialize the RightEdgePosInCU for each tile
293      Int rightEdgePosInCTU = 0;
294      for( Int i=0; i <= col; i++ )
295      {
296        rightEdgePosInCTU += m_tileParameters[row * numCols + i].getTileWidthInCtus();
297      }
298      m_tileParameters[tileIdx].setRightEdgePosInCtus(rightEdgePosInCTU-1);
299
300      //initialize the BottomEdgePosInCU for each tile
301      Int bottomEdgePosInCTU = 0;
302      for( Int i=0; i <= row; i++ )
303      {
304        bottomEdgePosInCTU += m_tileParameters[i * numCols + col].getTileHeightInCtus();
305      }
306      m_tileParameters[tileIdx].setBottomEdgePosInCtus(bottomEdgePosInCTU-1);
307
308      //initialize the FirstCUAddr for each tile
309      m_tileParameters[tileIdx].setFirstCtuRsAddr( (m_tileParameters[tileIdx].getBottomEdgePosInCtus() - m_tileParameters[tileIdx].getTileHeightInCtus() + 1) * getFrameWidthInCtus() +
310                                                    m_tileParameters[tileIdx].getRightEdgePosInCtus()  - m_tileParameters[tileIdx].getTileWidthInCtus()  + 1);
311    }
312  }
313
314  Int  columnIdx = 0;
315  Int  rowIdx = 0;
316
317  //initialize the TileIdxMap
318  for( Int i=0; i<m_numCtusInFrame; i++)
319  {
320    for( Int col=0; col < numCols; col++)
321    {
322      if(i % getFrameWidthInCtus() <= m_tileParameters[col].getRightEdgePosInCtus())
323      {
324        columnIdx = col;
325        break;
326      }
327    }
328    for(Int row=0; row < numRows; row++)
329    {
330      if(i / getFrameWidthInCtus() <= m_tileParameters[row*numCols].getBottomEdgePosInCtus())
331      {
332        rowIdx = row;
333        break;
334      }
335    }
336    m_puiTileIdxMap[i] = rowIdx * numCols + columnIdx;
337  }
338}
339UInt TComPicSym::xCalculateNextCtuRSAddr( UInt currCtuRsAddr )
340{
341  UInt  nextCtuRsAddr;
342
343  //get the tile index for the current CTU
344  const UInt uiTileIdx = getTileIdxMap(currCtuRsAddr);
345
346  //get the raster scan address for the next CTU
347  if( currCtuRsAddr % m_frameWidthInCtus == getTComTile(uiTileIdx)->getRightEdgePosInCtus() && currCtuRsAddr / m_frameWidthInCtus == getTComTile(uiTileIdx)->getBottomEdgePosInCtus() )
348  //the current CTU is the last CTU of the tile
349  {
350    if(uiTileIdx+1 == getNumTiles())
351    {
352      nextCtuRsAddr = m_numCtusInFrame;
353    }
354    else
355    {
356      nextCtuRsAddr = getTComTile(uiTileIdx+1)->getFirstCtuRsAddr();
357    }
358  }
359  else //the current CTU is not the last CTU of the tile
360  {
361    if( currCtuRsAddr % m_frameWidthInCtus == getTComTile(uiTileIdx)->getRightEdgePosInCtus() )  //the current CTU is on the rightmost edge of the tile
362    {
363      nextCtuRsAddr = currCtuRsAddr + m_frameWidthInCtus - getTComTile(uiTileIdx)->getTileWidthInCtus() + 1;
364    }
365    else
366    {
367      nextCtuRsAddr = currCtuRsAddr + 1;
368    }
369  }
370
371  return nextCtuRsAddr;
372}
373
374Void TComPicSym::deriveLoopFilterBoundaryAvailibility(Int ctuRsAddr,
375                                                      Bool& isLeftAvail,
376                                                      Bool& isRightAvail,
377                                                      Bool& isAboveAvail,
378                                                      Bool& isBelowAvail,
379                                                      Bool& isAboveLeftAvail,
380                                                      Bool& isAboveRightAvail,
381                                                      Bool& isBelowLeftAvail,
382                                                      Bool& isBelowRightAvail
383                                                      )
384{
385
386  isLeftAvail      = (ctuRsAddr % m_frameWidthInCtus != 0);
387  isRightAvail     = (ctuRsAddr % m_frameWidthInCtus != m_frameWidthInCtus-1);
388  isAboveAvail     = (ctuRsAddr >= m_frameWidthInCtus );
389  isBelowAvail     = (ctuRsAddr <  m_numCtusInFrame - m_frameWidthInCtus);
390  isAboveLeftAvail = (isAboveAvail && isLeftAvail);
391  isAboveRightAvail= (isAboveAvail && isRightAvail);
392  isBelowLeftAvail = (isBelowAvail && isLeftAvail);
393  isBelowRightAvail= (isBelowAvail && isRightAvail);
394
395  Bool isLoopFiltAcrossTilePPS = getCtu(ctuRsAddr)->getSlice()->getPPS()->getLoopFilterAcrossTilesEnabledFlag();
396
397  {
398    TComDataCU* ctuCurr  = getCtu(ctuRsAddr);
399    TComDataCU* ctuLeft  = isLeftAvail ?getCtu(ctuRsAddr-1):NULL;
400    TComDataCU* ctuRight = isRightAvail?getCtu(ctuRsAddr+1):NULL;
401    TComDataCU* ctuAbove = isAboveAvail?getCtu(ctuRsAddr-m_frameWidthInCtus):NULL;
402    TComDataCU* ctuBelow = isBelowAvail?getCtu(ctuRsAddr+m_frameWidthInCtus):NULL;
403    TComDataCU* ctuAboveLeft  = isAboveLeftAvail ? getCtu(ctuRsAddr-m_frameWidthInCtus-1):NULL;
404    TComDataCU* ctuAboveRight = isAboveRightAvail? getCtu(ctuRsAddr-m_frameWidthInCtus+1):NULL;
405    TComDataCU* ctuBelowLeft  = isBelowLeftAvail ? getCtu(ctuRsAddr+m_frameWidthInCtus-1):NULL;
406    TComDataCU* ctuBelowRight = isBelowRightAvail? getCtu(ctuRsAddr+m_frameWidthInCtus+1):NULL;
407
408    {
409      //left
410      if(ctuLeft != NULL)
411      {
412        isLeftAvail = (ctuCurr->getSlice()->getSliceCurStartCtuTsAddr() != ctuLeft->getSlice()->getSliceCurStartCtuTsAddr())?ctuCurr->getSlice()->getLFCrossSliceBoundaryFlag():true;
413      }
414      //above
415      if(ctuAbove != NULL)
416      {
417        isAboveAvail = (ctuCurr->getSlice()->getSliceCurStartCtuTsAddr() != ctuAbove->getSlice()->getSliceCurStartCtuTsAddr())?ctuCurr->getSlice()->getLFCrossSliceBoundaryFlag():true;
418      }
419      //right
420      if(ctuRight != NULL)
421      {
422        isRightAvail = (ctuCurr->getSlice()->getSliceCurStartCtuTsAddr() != ctuRight->getSlice()->getSliceCurStartCtuTsAddr())?ctuRight->getSlice()->getLFCrossSliceBoundaryFlag():true;
423      }
424      //below
425      if(ctuBelow != NULL)
426      {
427        isBelowAvail = (ctuCurr->getSlice()->getSliceCurStartCtuTsAddr() != ctuBelow->getSlice()->getSliceCurStartCtuTsAddr())?ctuBelow->getSlice()->getLFCrossSliceBoundaryFlag():true;
428      }
429      //above-left
430      if(ctuAboveLeft != NULL)
431      {
432        isAboveLeftAvail = (ctuCurr->getSlice()->getSliceCurStartCtuTsAddr() != ctuAboveLeft->getSlice()->getSliceCurStartCtuTsAddr())?ctuCurr->getSlice()->getLFCrossSliceBoundaryFlag():true;
433      }
434      //below-right
435      if(ctuBelowRight != NULL)
436      {
437        isBelowRightAvail = (ctuCurr->getSlice()->getSliceCurStartCtuTsAddr() != ctuBelowRight->getSlice()->getSliceCurStartCtuTsAddr())?ctuBelowRight->getSlice()->getLFCrossSliceBoundaryFlag():true;
438      }
439
440      //above-right
441      if(ctuAboveRight != NULL)
442      {
443        Int curSliceStartTsAddr  = ctuCurr->getSlice()->getSliceCurStartCtuTsAddr();
444        Int aboveRightSliceStartTsAddr = ctuAboveRight->getSlice()->getSliceCurStartCtuTsAddr();
445
446        isAboveRightAvail = (curSliceStartTsAddr == aboveRightSliceStartTsAddr)?(true):
447          (
448          (curSliceStartTsAddr > aboveRightSliceStartTsAddr)?(ctuCurr->getSlice()->getLFCrossSliceBoundaryFlag())
449          :(ctuAboveRight->getSlice()->getLFCrossSliceBoundaryFlag())
450          );
451      }
452      //below-left
453      if(ctuBelowLeft != NULL)
454      {
455        Int curSliceStartTsAddr       = ctuCurr->getSlice()->getSliceCurStartCtuTsAddr();
456        Int belowLeftSliceStartTsAddr = ctuBelowLeft->getSlice()->getSliceCurStartCtuTsAddr();
457
458        isBelowLeftAvail = (curSliceStartTsAddr == belowLeftSliceStartTsAddr)?(true):
459          (
460          (curSliceStartTsAddr > belowLeftSliceStartTsAddr)?(ctuCurr->getSlice()->getLFCrossSliceBoundaryFlag())
461          :(ctuBelowLeft->getSlice()->getLFCrossSliceBoundaryFlag())
462          );
463      }
464    }
465
466    if(!isLoopFiltAcrossTilePPS)
467    {
468      isLeftAvail      = (!isLeftAvail      ) ?false:(getTileIdxMap( ctuLeft->getCtuRsAddr()         ) == getTileIdxMap( ctuRsAddr ));
469      isAboveAvail     = (!isAboveAvail     ) ?false:(getTileIdxMap( ctuAbove->getCtuRsAddr()        ) == getTileIdxMap( ctuRsAddr ));
470      isRightAvail     = (!isRightAvail     ) ?false:(getTileIdxMap( ctuRight->getCtuRsAddr()        ) == getTileIdxMap( ctuRsAddr ));
471      isBelowAvail     = (!isBelowAvail     ) ?false:(getTileIdxMap( ctuBelow->getCtuRsAddr()        ) == getTileIdxMap( ctuRsAddr ));
472      isAboveLeftAvail = (!isAboveLeftAvail ) ?false:(getTileIdxMap( ctuAboveLeft->getCtuRsAddr()    ) == getTileIdxMap( ctuRsAddr ));
473      isAboveRightAvail= (!isAboveRightAvail) ?false:(getTileIdxMap( ctuAboveRight->getCtuRsAddr()   ) == getTileIdxMap( ctuRsAddr ));
474      isBelowLeftAvail = (!isBelowLeftAvail ) ?false:(getTileIdxMap( ctuBelowLeft->getCtuRsAddr()    ) == getTileIdxMap( ctuRsAddr ));
475      isBelowRightAvail= (!isBelowRightAvail) ?false:(getTileIdxMap( ctuBelowRight->getCtuRsAddr()   ) == getTileIdxMap( ctuRsAddr ));
476    }
477  }
478
479}
480
481
482TComTile::TComTile()
483: m_tileWidthInCtus     (0)
484, m_tileHeightInCtus    (0)
485, m_rightEdgePosInCtus  (0)
486, m_bottomEdgePosInCtus (0)
487, m_firstCtuRsAddr      (0)
488{
489}
490
491TComTile::~TComTile()
492{
493}
494//! \}
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