IntraSearch.cpp 101 KB
Newer Older
1
2
3
4
5
/* The copyright in this software is being made available under the BSD
 * License, included below. This software may be subject to other third party
 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.
 *
6
 * Copyright (c) 2010-2019, ITU/ISO/IEC
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

/** \file     EncSearch.cpp
 *  \brief    encoder intra search class
 */

#include "IntraSearch.h"

#include "EncModeCtrl.h"

#include "CommonLib/CommonDef.h"
#include "CommonLib/Rom.h"
#include "CommonLib/Picture.h"
#include "CommonLib/UnitTools.h"

#include "CommonLib/dtrace_next.h"
#include "CommonLib/dtrace_buffer.h"

#include <math.h>
#include <limits>

 //! \ingroup EncoderLib
 //! \{

IntraSearch::IntraSearch()
  : m_pSplitCS      (nullptr)
  , m_pFullCS       (nullptr)
  , m_pBestCS       (nullptr)
  , m_pcEncCfg      (nullptr)
  , m_pcTrQuant     (nullptr)
  , m_pcRdCost      (nullptr)
Taoran Lu's avatar
Taoran Lu committed
63
64
65
#if JVET_M0427_INLOOP_RESHAPER
  , m_pcReshape     (nullptr)
#endif
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
  , m_CABACEstimator(nullptr)
  , m_CtxCache      (nullptr)
  , m_isInitialized (false)
{
  for( uint32_t ch = 0; ch < MAX_NUM_TBLOCKS; ch++ )
  {
    m_pSharedPredTransformSkip[ch] = nullptr;
  }
}


void IntraSearch::destroy()
{
  CHECK( !m_isInitialized, "Not initialized" );

  if( m_pcEncCfg )
  {
Karsten Suehring's avatar
Karsten Suehring committed
83
84
    const uint32_t uiNumLayersToAllocateSplit = 1;
    const uint32_t uiNumLayersToAllocateFull  = 1;
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
    const int uiNumSaveLayersToAllocate = 2;

    for( uint32_t layer = 0; layer < uiNumSaveLayersToAllocate; layer++ )
    {
      m_pSaveCS[layer]->destroy();
      delete m_pSaveCS[layer];
    }

    uint32_t numWidths  = gp_sizeIdxInfo->numWidths();
    uint32_t numHeights = gp_sizeIdxInfo->numHeights();

    for( uint32_t width = 0; width < numWidths; width++ )
    {
      for( uint32_t height = 0; height < numHeights; height++ )
      {
Karsten Suehring's avatar
Karsten Suehring committed
100
        if( gp_sizeIdxInfo->isCuSize( gp_sizeIdxInfo->sizeFrom( width ) ) && gp_sizeIdxInfo->isCuSize( gp_sizeIdxInfo->sizeFrom( height ) ) )
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
        {
          for( uint32_t layer = 0; layer < uiNumLayersToAllocateSplit; layer++ )
          {
            m_pSplitCS[width][height][layer]->destroy();

            delete m_pSplitCS[width][height][layer];
          }

          for( uint32_t layer = 0; layer < uiNumLayersToAllocateFull; layer++ )
          {
            m_pFullCS[width][height][layer]->destroy();

            delete m_pFullCS[width][height][layer];
          }

          delete[] m_pSplitCS[width][height];
          delete[] m_pFullCS [width][height];

          m_pBestCS[width][height]->destroy();
          m_pTempCS[width][height]->destroy();

          delete m_pTempCS[width][height];
          delete m_pBestCS[width][height];
        }
      }

      delete[] m_pSplitCS[width];
      delete[] m_pFullCS [width];

      delete[] m_pTempCS[width];
      delete[] m_pBestCS[width];
    }

    delete[] m_pSplitCS;
    delete[] m_pFullCS;

    delete[] m_pBestCS;
    delete[] m_pTempCS;

    delete[] m_pSaveCS;
  }

  m_pSplitCS = m_pFullCS = nullptr;

  m_pBestCS = m_pTempCS = nullptr;

  m_pSaveCS = nullptr;

  for( uint32_t ch = 0; ch < MAX_NUM_TBLOCKS; ch++ )
  {
    delete[] m_pSharedPredTransformSkip[ch];
    m_pSharedPredTransformSkip[ch] = nullptr;
  }

Taoran Lu's avatar
Taoran Lu committed
155
156
157
#if JVET_M0427_INLOOP_RESHAPER
  m_tmpStorageLCU.destroy();
#endif
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
  m_isInitialized = false;
}

IntraSearch::~IntraSearch()
{
  if( m_isInitialized )
  {
    destroy();
  }
}

void IntraSearch::init( EncCfg*        pcEncCfg,
                        TrQuant*       pcTrQuant,
                        RdCost*        pcRdCost,
                        CABACWriter*   CABACEstimator,
                        CtxCache*      ctxCache,
                        const uint32_t     maxCUWidth,
                        const uint32_t     maxCUHeight,
                        const uint32_t     maxTotalCUDepth
Taoran Lu's avatar
Taoran Lu committed
177
178
179
#if JVET_M0427_INLOOP_RESHAPER
                       , EncReshape*   pcReshape
#endif
180
181
182
183
184
185
186
187
)
{
  CHECK(m_isInitialized, "Already initialized");
  m_pcEncCfg                     = pcEncCfg;
  m_pcTrQuant                    = pcTrQuant;
  m_pcRdCost                     = pcRdCost;
  m_CABACEstimator               = CABACEstimator;
  m_CtxCache                     = ctxCache;
Taoran Lu's avatar
Taoran Lu committed
188
189
190
#if JVET_M0427_INLOOP_RESHAPER
  m_pcReshape                    = pcReshape;
#endif
191
192
193
194

  const ChromaFormat cform = pcEncCfg->getChromaFormatIdc();

  IntraPrediction::init( cform, pcEncCfg->getBitDepth( CHANNEL_TYPE_LUMA ) );
Taoran Lu's avatar
Taoran Lu committed
195
196
197
#if JVET_M0427_INLOOP_RESHAPER
  m_tmpStorageLCU.create(UnitArea(cform, Area(0, 0, MAX_CU_SIZE, MAX_CU_SIZE)));
#endif
198
199
200
201
202
203
204
205
206

  for( uint32_t ch = 0; ch < MAX_NUM_TBLOCKS; ch++ )
  {
    m_pSharedPredTransformSkip[ch] = new Pel[MAX_CU_SIZE * MAX_CU_SIZE];
  }

  uint32_t numWidths  = gp_sizeIdxInfo->numWidths();
  uint32_t numHeights = gp_sizeIdxInfo->numHeights();

Karsten Suehring's avatar
Karsten Suehring committed
207
208
  const uint32_t uiNumLayersToAllocateSplit = 1;
  const uint32_t uiNumLayersToAllocateFull  = 1;
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225

  m_pBestCS = new CodingStructure**[numWidths];
  m_pTempCS = new CodingStructure**[numWidths];

  m_pFullCS  = new CodingStructure***[numWidths];
  m_pSplitCS = new CodingStructure***[numWidths];

  for( uint32_t width = 0; width < numWidths; width++ )
  {
    m_pBestCS[width] = new CodingStructure*[numHeights];
    m_pTempCS[width] = new CodingStructure*[numHeights];

    m_pFullCS [width] = new CodingStructure**[numHeights];
    m_pSplitCS[width] = new CodingStructure**[numHeights];

    for( uint32_t height = 0; height < numHeights; height++ )
    {
Karsten Suehring's avatar
Karsten Suehring committed
226
      if(  gp_sizeIdxInfo->isCuSize( gp_sizeIdxInfo->sizeFrom( width ) ) && gp_sizeIdxInfo->isCuSize( gp_sizeIdxInfo->sizeFrom( height ) ) )
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
      {
        m_pBestCS[width][height] = new CodingStructure( m_unitCache.cuCache, m_unitCache.puCache, m_unitCache.tuCache );
        m_pTempCS[width][height] = new CodingStructure( m_unitCache.cuCache, m_unitCache.puCache, m_unitCache.tuCache );

        m_pBestCS[width][height]->create( m_pcEncCfg->getChromaFormatIdc(), Area( 0, 0, gp_sizeIdxInfo->sizeFrom( width ), gp_sizeIdxInfo->sizeFrom( height ) ), false );
        m_pTempCS[width][height]->create( m_pcEncCfg->getChromaFormatIdc(), Area( 0, 0, gp_sizeIdxInfo->sizeFrom( width ), gp_sizeIdxInfo->sizeFrom( height ) ), false );
        m_pFullCS [width][height] = new CodingStructure*[uiNumLayersToAllocateFull];
        m_pSplitCS[width][height] = new CodingStructure*[uiNumLayersToAllocateSplit];

        for( uint32_t layer = 0; layer < uiNumLayersToAllocateFull; layer++ )
        {
          m_pFullCS [width][height][layer] = new CodingStructure( m_unitCache.cuCache, m_unitCache.puCache, m_unitCache.tuCache );

          m_pFullCS [width][height][layer]->create( m_pcEncCfg->getChromaFormatIdc(), Area( 0, 0, gp_sizeIdxInfo->sizeFrom( width ), gp_sizeIdxInfo->sizeFrom( height ) ), false );
        }

        for( uint32_t layer = 0; layer < uiNumLayersToAllocateSplit; layer++ )
        {
          m_pSplitCS[width][height][layer] = new CodingStructure( m_unitCache.cuCache, m_unitCache.puCache, m_unitCache.tuCache );

          m_pSplitCS[width][height][layer]->create( m_pcEncCfg->getChromaFormatIdc(), Area( 0, 0, gp_sizeIdxInfo->sizeFrom( width ), gp_sizeIdxInfo->sizeFrom( height ) ), false );
        }
      }
      else
      {
        m_pBestCS[width][height] = nullptr;
        m_pTempCS[width][height] = nullptr;

        m_pFullCS [width][height] = nullptr;
        m_pSplitCS[width][height] = nullptr;
      }
    }
  }

  const int uiNumSaveLayersToAllocate = 2;

  m_pSaveCS = new CodingStructure*[uiNumSaveLayersToAllocate];

  for( uint32_t depth = 0; depth < uiNumSaveLayersToAllocate; depth++ )
  {
    m_pSaveCS[depth] = new CodingStructure( m_unitCache.cuCache, m_unitCache.puCache, m_unitCache.tuCache );
    m_pSaveCS[depth]->create( UnitArea( cform, Area( 0, 0, maxCUWidth, maxCUHeight ) ), false );
  }

  m_isInitialized = true;
}


//////////////////////////////////////////////////////////////////////////
// INTRA PREDICTION
//////////////////////////////////////////////////////////////////////////

279
280
281
#if JVET_M0102_INTRA_SUBPARTITIONS
void IntraSearch::estIntraPredLumaQT( CodingUnit &cu, Partitioner &partitioner, const double bestCostSoFar )
#else
282
void IntraSearch::estIntraPredLumaQT( CodingUnit &cu, Partitioner &partitioner )
283
#endif
284
285
286
{
  CodingStructure       &cs            = *cu.cs;
  const SPS             &sps           = *cs.sps;
Karsten Suehring's avatar
Karsten Suehring committed
287
  const uint32_t             uiWidthBit    = g_aucLog2[partitioner.currArea().lwidth() ];
288
289
290
291
292
293
294
295
296
  const uint32_t             uiHeightBit   =                   g_aucLog2[partitioner.currArea().lheight()];

  // Lambda calculation at equivalent Qp of 4 is recommended because at that Qp, the quantization divisor is 1.
  const double sqrtLambdaForFirstPass = m_pcRdCost->getMotionLambda(cu.transQuantBypass) / double(1 << SCALE_BITS);


  //===== loop over partitions =====

  const TempCtx ctxStart          ( m_CtxCache, m_CABACEstimator->getCtx() );
Frank Bossen's avatar
Frank Bossen committed
297
  const TempCtx ctxStartIntraMode(m_CtxCache, SubCtx(Ctx::IntraLumaMpmFlag, m_CABACEstimator->getCtx()));
Paul Keydel's avatar
bugfix    
Paul Keydel committed
298
299
  const TempCtx ctxStartMHIntraMode ( m_CtxCache, SubCtx( Ctx::MHIntraPredMode,        m_CABACEstimator->getCtx() ) );
  const TempCtx ctxStartMrlIdx      ( m_CtxCache, SubCtx( Ctx::MultiRefLineIdx,        m_CABACEstimator->getCtx() ) );
300
301
302
303
304
305
306

  CHECK( !cu.firstPU, "CU has no PUs" );
  const bool keepResi   = cs.pps->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() || KEEP_PRED_AND_RESI_SIGNALS;


  uint32_t extraModes = 0; // add two extra modes, which would be used after uiMode <= DC_IDX is removed for cu.nsstIdx == 3

Tung Nguyen's avatar
Tung Nguyen committed
307
#if !JVET_M0464_UNI_MTS
308
309
310
311
312
313
314
315
  const int width   = partitioner.currArea().lwidth();
  const int height  = partitioner.currArea().lheight();

  // Marking EMT usage for faster EMT
  // 0: EMT is either not applicable for current CU (cuWidth > EMT_INTRA_MAX_CU or cuHeight > EMT_INTRA_MAX_CU), not active in the config file or the fast decision algorithm is not used in this case
  // 1: EMT fast algorithm can be applied for the current CU, and the DCT2 is being checked
  // 2: EMT is being checked for current CU. Stored results of DCT2 can be utilized for speedup
  uint8_t emtUsageFlag = 0;
Karsten Suehring's avatar
Karsten Suehring committed
316
  const int maxSizeEMT = EMT_INTRA_MAX_CU_WITH_QTBT;
317
  if( width <= maxSizeEMT && height <= maxSizeEMT && sps.getUseIntraEMT() )
318
319
320
321
322
323
  {
    emtUsageFlag = cu.emtFlag == 1 ? 2 : 1;
  }

  bool isAllIntra = m_pcEncCfg->getIntraPeriod() == 1;

Karsten Suehring's avatar
Karsten Suehring committed
324
  if( width * height < 64 && !isAllIntra )
325
  {
Karsten Suehring's avatar
Karsten Suehring committed
326
    emtUsageFlag = 0; //this forces the recalculation of the candidates list. Why is this necessary? (to be checked)
327
  }
Tung Nguyen's avatar
Tung Nguyen committed
328
#endif
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
#if JVET_M0102_INTRA_SUBPARTITIONS
#if JVET_M0464_UNI_MTS
  const int width   = partitioner.currArea().lwidth();
  const int height  = partitioner.currArea().lheight();
  int nOptionsForISP = NUM_INTRA_SUBPARTITIONS_MODES;
#else
  int nOptionsForISP = cu.emtFlag == 0 ? NUM_INTRA_SUBPARTITIONS_MODES : 1;
#endif
  double bestCurrentCost = bestCostSoFar;

  int ispOptions[NUM_INTRA_SUBPARTITIONS_MODES] = { 0 };
  if( nOptionsForISP > 1 )
  {
    auto splitsThatCanBeUsedForISP = CU::canUseISPSplit( width, height, cu.cs->sps->getMaxTrSize() );
    if( splitsThatCanBeUsedForISP == CAN_USE_VER_AND_HORL_SPLITS )
    {
      const CodingUnit* cuLeft  = cu.ispMode != NOT_INTRA_SUBPARTITIONS ? cs.getCU( cs.area.blocks[partitioner.chType].pos().offset( -1, 0 ), partitioner.chType ) : nullptr;
      const CodingUnit* cuAbove = cu.ispMode != NOT_INTRA_SUBPARTITIONS ? cs.getCU( cs.area.blocks[partitioner.chType].pos().offset( 0, -1 ), partitioner.chType ) : nullptr;
      bool ispHorIsFirstTest = CU::firstTestISPHorSplit( width, height, COMPONENT_Y, cuLeft, cuAbove );
      if( ispHorIsFirstTest )
      {
        ispOptions[1] = HOR_INTRA_SUBPARTITIONS;
        ispOptions[2] = VER_INTRA_SUBPARTITIONS;
      }
      else
      {
        ispOptions[1] = VER_INTRA_SUBPARTITIONS;
        ispOptions[2] = HOR_INTRA_SUBPARTITIONS;
      }
    }
    else if( splitsThatCanBeUsedForISP == HOR_INTRA_SUBPARTITIONS )
    {
      nOptionsForISP = 2;
      ispOptions[1] = HOR_INTRA_SUBPARTITIONS;
    }
    else if( splitsThatCanBeUsedForISP == VER_INTRA_SUBPARTITIONS )
    {
      nOptionsForISP = 2;
      ispOptions[1] = VER_INTRA_SUBPARTITIONS;
    }
    else
    {
      nOptionsForISP = 1;
    }
  }
  if( nOptionsForISP > 1 )
  {
    //variables for the full RD list without MRL modes
    m_rdModeListWithoutMrl      .clear();
    m_rdModeListWithoutMrlHor   .clear();
    m_rdModeListWithoutMrlVer   .clear();
    //variables with data from regular intra used to skip ISP splits
    m_intraModeDiagRatio        .clear();
    m_intraModeHorVerRatio      .clear();
    m_intraModeTestedNormalIntra.clear();
  }
#endif
386
387
388
389
390

  static_vector<uint32_t,   FAST_UDI_MAX_RDMODE_NUM> uiHadModeList;
  static_vector<double, FAST_UDI_MAX_RDMODE_NUM> CandCostList;
  static_vector<double, FAST_UDI_MAX_RDMODE_NUM> CandHadList;

391
392
393
  static_vector<int, FAST_UDI_MAX_RDMODE_NUM> extendRefList;
  static_vector<int, FAST_UDI_MAX_RDMODE_NUM>* nullList = NULL;

394
  auto &pu = *cu.firstPU;
Tung Nguyen's avatar
Tung Nguyen committed
395
#if !JVET_M0464_UNI_MTS
396
  int puIndex = 0;
Tung Nguyen's avatar
Tung Nguyen committed
397
#endif
398
399
400
401
  {
    CandHadList.clear();
    CandCostList.clear();
    uiHadModeList.clear();
402
    extendRefList.clear();
403
404
405
406
407
408
409
410

    CHECK(pu.cu != &cu, "PU is not contained in the CU");

    //===== determine set of modes to be tested (using prediction signal only) =====
    int numModesAvailable = NUM_LUMA_MODE; // total number of Intra modes
    static_vector< uint32_t, FAST_UDI_MAX_RDMODE_NUM > uiRdModeList;

    int numModesForFullRD = 3;
Karsten Suehring's avatar
Karsten Suehring committed
411
    numModesForFullRD = g_aucIntraModeNumFast_UseMPM_2D[uiWidthBit - MIN_CU_LOG2][uiHeightBit - MIN_CU_LOG2];
412
413
414
415
416

#if INTRA_FULL_SEARCH
    numModesForFullRD = numModesAvailable;
#endif

Tung Nguyen's avatar
Tung Nguyen committed
417
#if !JVET_M0464_UNI_MTS
418
    if( emtUsageFlag != 2 )
Tung Nguyen's avatar
Tung Nguyen committed
419
#endif
420
421
422
    {
      // this should always be true
      CHECK( !pu.Y().valid(), "PU is not valid" );
Liang Zhao's avatar
Liang Zhao committed
423
#if ENABLE_JVET_L0283_MRL
424
425
      bool isFirstLineOfCtu = (((pu.block(COMPONENT_Y).y)&((pu.cs->sps)->getMaxCUWidth() - 1)) == 0);
      int numOfPassesExtendRef = (isFirstLineOfCtu ? 1 : MRL_NUM_REF_LINES);
Liang Zhao's avatar
Liang Zhao committed
426
#endif
427
      pu.multiRefIdx = 0;
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443

      //===== init pattern for luma prediction =====
      initIntraPatternChType( cu, pu.Y(), IntraPrediction::useFilteredIntraRefSamples( COMPONENT_Y, pu, false, pu ) );
      if( numModesForFullRD != numModesAvailable )
      {
        CHECK( numModesForFullRD >= numModesAvailable, "Too many modes for full RD search" );

        const CompArea &area = pu.Y();

        PelBuf piOrg         = cs.getOrgBuf(area);
        PelBuf piPred        = cs.getPredBuf(area);

        DistParam distParam;

        const bool bUseHadamard = cu.transQuantBypass == 0;

Taoran Lu's avatar
Taoran Lu committed
444
445
446
447
448
449
450
451
452
453
454
#if JVET_M0427_INLOOP_RESHAPER
        if (cu.slice->getReshapeInfo().getUseSliceReshaper() && m_pcReshape->getCTUFlag())
        {
          CompArea      tmpArea(COMPONENT_Y, area.chromaFormat, Position(0, 0), area.size());
          PelBuf tmpOrg = m_tmpStorageLCU.getBuf(tmpArea);
          tmpOrg.copyFrom(piOrg);
          tmpOrg.rspSignal(m_pcReshape->getFwdLUT());
          m_pcRdCost->setDistParam(distParam, tmpOrg, piPred, sps.getBitDepth(CHANNEL_TYPE_LUMA), COMPONENT_Y, bUseHadamard);
        }
        else
#endif
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
        m_pcRdCost->setDistParam(distParam, piOrg, piPred, sps.getBitDepth(CHANNEL_TYPE_LUMA), COMPONENT_Y, bUseHadamard);

        distParam.applyWeight = false;

        bool bSatdChecked[NUM_INTRA_MODE];
        memset( bSatdChecked, 0, sizeof( bSatdChecked ) );

        {
          for( int modeIdx = 0; modeIdx < numModesAvailable; modeIdx++ )
          {
            uint32_t       uiMode = modeIdx;
            Distortion uiSad  = 0;

            // Skip checking extended Angular modes in the first round of SATD
            if( uiMode > DC_IDX && ( uiMode & 1 ) )
            {
              continue;
            }

            bSatdChecked[uiMode] = true;

            pu.intraDir[0] = modeIdx;

            if( useDPCMForFirstPassIntraEstimation( pu, uiMode ) )
            {
              encPredIntraDPCM( COMPONENT_Y, piOrg, piPred, uiMode );
            }
            else
            {
              predIntraAng( COMPONENT_Y, piPred, pu, IntraPrediction::useFilteredIntraRefSamples( COMPONENT_Y, pu, true, pu ) );
            }
            // use Hadamard transform here
            uiSad += distParam.distFunc(distParam);

            // NB xFracModeBitsIntra will not affect the mode for chroma that may have already been pre-estimated.
Frank Bossen's avatar
Frank Bossen committed
490
            m_CABACEstimator->getCtx() = SubCtx(Ctx::IntraLumaMpmFlag, ctxStartIntraMode);
Paul Keydel's avatar
bugfix    
Paul Keydel committed
491
492
            m_CABACEstimator->getCtx() = SubCtx( Ctx::MHIntraPredMode, ctxStartMHIntraMode );
            m_CABACEstimator->getCtx() = SubCtx( Ctx::MultiRefLineIdx, ctxStartMrlIdx );
493
494
495
496
497
498
499

            uint64_t fracModeBits = xFracModeBitsIntra(pu, uiMode, CHANNEL_TYPE_LUMA);

            double cost = ( double ) uiSad + ( double ) fracModeBits * sqrtLambdaForFirstPass;

            DTRACE( g_trace_ctx, D_INTRA_COST, "IntraHAD: %u, %llu, %f (%d)\n", uiSad, fracModeBits, cost, uiMode );

500
501
502
503
504
505
            updateCandList( uiMode, cost,  uiRdModeList, CandCostList
              , extendRefList, 0
              , numModesForFullRD + extraModes );
            updateCandList(uiMode, (double) uiSad, uiHadModeList, CandHadList
              , *nullList, -1
              , 3 + extraModes);
506
507
508
509
510
          }
        } // NSSTFlag

        // forget the extra modes
        uiRdModeList.resize( numModesForFullRD );
511
512
        CandCostList.resize(numModesForFullRD);
        extendRefList.resize(numModesForFullRD);
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
        static_vector<unsigned, FAST_UDI_MAX_RDMODE_NUM> parentCandList(FAST_UDI_MAX_RDMODE_NUM);
        std::copy_n(uiRdModeList.begin(), numModesForFullRD, parentCandList.begin());

        // Second round of SATD for extended Angular modes
        for (int modeIdx = 0; modeIdx < numModesForFullRD; modeIdx++)
        {
          unsigned parentMode = parentCandList[modeIdx];
          if (parentMode > (DC_IDX + 1) && parentMode < (NUM_LUMA_MODE - 1))
          {
            for (int subModeIdx = -1; subModeIdx <= 1; subModeIdx += 2)
            {
              unsigned mode = parentMode + subModeIdx;


              if (!bSatdChecked[mode])
              {
                pu.intraDir[0] = mode;

                if (useDPCMForFirstPassIntraEstimation(pu, mode))
                {
                  encPredIntraDPCM(COMPONENT_Y, piOrg, piPred, mode);
                }
                else
                {
                  predIntraAng(COMPONENT_Y, piPred, pu,
                               IntraPrediction::useFilteredIntraRefSamples(COMPONENT_Y, pu, true, pu));
                }
                // use Hadamard transform here
                Distortion sad = distParam.distFunc(distParam);

                // NB xFracModeBitsIntra will not affect the mode for chroma that may have already been pre-estimated.
Frank Bossen's avatar
Frank Bossen committed
544
                m_CABACEstimator->getCtx() = SubCtx(Ctx::IntraLumaMpmFlag, ctxStartIntraMode);
Paul Keydel's avatar
bugfix    
Paul Keydel committed
545
546
                m_CABACEstimator->getCtx() = SubCtx( Ctx::MHIntraPredMode, ctxStartMHIntraMode );
                m_CABACEstimator->getCtx() = SubCtx( Ctx::MultiRefLineIdx, ctxStartMrlIdx );
547
548
549
550
551

                uint64_t fracModeBits = xFracModeBitsIntra(pu, mode, CHANNEL_TYPE_LUMA);

                double cost = (double) sad + (double) fracModeBits * sqrtLambdaForFirstPass;

552
553
554
555
556
557
                updateCandList(mode, cost, uiRdModeList, CandCostList
                  , extendRefList, 0
                  , numModesForFullRD);
                updateCandList(mode, (double)sad, uiHadModeList, CandHadList
                  , *nullList, -1
                  , 3);
558
559
560
561
562
563

                bSatdChecked[mode] = true;
              }
            }
          }
        }
564
565
566
567
568
569
570
571
#if JVET_M0102_INTRA_SUBPARTITIONS
        if( nOptionsForISP > 1 )
        {
          //we save the list with no mrl modes to keep only the Hadamard selected modes (no mpms)
          m_rdModeListWithoutMrl.resize( numModesForFullRD );
          std::copy_n( uiRdModeList.begin(), numModesForFullRD, m_rdModeListWithoutMrl.begin() );
        }
#endif
Liang Zhao's avatar
Liang Zhao committed
572
#if ENABLE_JVET_L0283_MRL
573
        pu.multiRefIdx = 1;
574
575
        const int  numMPMs = NUM_MOST_PROBABLE_MODES;
        unsigned  multiRefMPM [numMPMs];
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
        PU::getIntraMPMs(pu, multiRefMPM);
        for (int mRefNum = 1; mRefNum < numOfPassesExtendRef; mRefNum++)
        {
          int multiRefIdx = MULTI_REF_LINE_IDX[mRefNum];

          pu.multiRefIdx = multiRefIdx;
          {
            initIntraPatternChType(cu, pu.Y(), IntraPrediction::useFilteredIntraRefSamples(COMPONENT_Y, pu, false, pu));
          }
          for (int x = 0; x < numMPMs; x++)
          {
            uint32_t mode = multiRefMPM[x];
            {
              pu.intraDir[0] = mode;

              if (useDPCMForFirstPassIntraEstimation(pu, mode))
              {
                encPredIntraDPCM(COMPONENT_Y, piOrg, piPred, mode);
              }
              else
              {
                predIntraAng(COMPONENT_Y, piPred, pu, IntraPrediction::useFilteredIntraRefSamples(COMPONENT_Y, pu, true, pu));
              }

              // use Hadamard transform here
              Distortion sad = distParam.distFunc(distParam);

              // NB xFracModeBitsIntra will not affect the mode for chroma that may have already been pre-estimated.
Frank Bossen's avatar
Frank Bossen committed
604
              m_CABACEstimator->getCtx() = SubCtx(Ctx::IntraLumaMpmFlag, ctxStartIntraMode);
Paul Keydel's avatar
bugfix    
Paul Keydel committed
605
606
              m_CABACEstimator->getCtx() = SubCtx( Ctx::MHIntraPredMode, ctxStartMHIntraMode );
              m_CABACEstimator->getCtx() = SubCtx( Ctx::MultiRefLineIdx, ctxStartMrlIdx );
607
608
609
610
611
612
613
614

              uint64_t fracModeBits = xFracModeBitsIntra(pu, mode, CHANNEL_TYPE_LUMA);

              double cost = (double)sad + (double)fracModeBits * sqrtLambdaForFirstPass;
              updateCandList(mode, cost, uiRdModeList, CandCostList, extendRefList, multiRefIdx, numModesForFullRD);
            }
          }
        }
Liang Zhao's avatar
Liang Zhao committed
615
#endif
616
617
        CandCostList.resize(numModesForFullRD);
        extendRefList.resize(numModesForFullRD);
618
619
        if( m_pcEncCfg->getFastUDIUseMPMEnabled() )
        {
620
621
          const int numMPMs = NUM_MOST_PROBABLE_MODES;
          unsigned  uiPreds[numMPMs];
622

623
624
          pu.multiRefIdx = 0;

625
626
627
628
629
630
631
632
633
634
          const int numCand = PU::getIntraMPMs( pu, uiPreds );

          for( int j = 0; j < numCand; j++ )
          {
            bool mostProbableModeIncluded = false;
            int  mostProbableMode         = uiPreds[j];


            for( int i = 0; i < numModesForFullRD; i++ )
            {
635
              mostProbableModeIncluded |= (mostProbableMode == uiRdModeList[i] && extendRefList[i] == 0);
636
637
638
            }
            if( !mostProbableModeIncluded )
            {
639
              extendRefList.push_back(0);
640
641
642
643
              numModesForFullRD++;
              uiRdModeList.push_back( mostProbableMode );
            }
          }
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
#if JVET_M0102_INTRA_SUBPARTITIONS
          if( nOptionsForISP > 1 )
          {
            //we add the ISP MPMs to the list without mrl modes
            m_rdModeListWithoutMrlHor = m_rdModeListWithoutMrl;
            m_rdModeListWithoutMrlVer = m_rdModeListWithoutMrl;
            static_vector<uint32_t, FAST_UDI_MAX_RDMODE_NUM>* listPointer;
            for( int k = 1; k < nOptionsForISP; k++ )
            {
              cu.ispMode = ispOptions[k];
              listPointer = &( cu.ispMode == HOR_INTRA_SUBPARTITIONS ? m_rdModeListWithoutMrlHor : m_rdModeListWithoutMrlVer );
              const int numCandISP = PU::getIntraMPMs( pu, uiPreds );
              for( int j = 0; j < numCandISP; j++ )
              {
                bool mostProbableModeIncluded = false;
                int  mostProbableMode = uiPreds[j];

                for( int i = 0; i < listPointer->size(); i++ )
                {
                  mostProbableModeIncluded |= ( mostProbableMode == listPointer->at( i ) );
                }
                if( !mostProbableModeIncluded )
                {
                  listPointer->push_back( mostProbableMode );
                }
              }
            }
            cu.ispMode = NOT_INTRA_SUBPARTITIONS;
          }
#endif
674
675
676
677
678
679
680
681
682
        }
      }
      else
      {
        for( int i = 0; i < numModesForFullRD; i++ )
        {
          uiRdModeList.push_back( i );
        }
      }
Tung Nguyen's avatar
Tung Nguyen committed
683
#if !JVET_M0464_UNI_MTS
684
685
686
687
688
      if( emtUsageFlag == 1 )
      {
        // Store the modes to be checked with RD
        m_savedNumRdModes[puIndex] = numModesForFullRD;
        std::copy_n( uiRdModeList.begin(), numModesForFullRD, m_savedRdModeList[puIndex] );
689
        std::copy_n(extendRefList.begin(), numModesForFullRD, m_savedExtendRefList[puIndex]);
690
      }
Tung Nguyen's avatar
Tung Nguyen committed
691
#endif
692
    }
Tung Nguyen's avatar
Tung Nguyen committed
693
#if !JVET_M0464_UNI_MTS
694
695
696
697
    else //emtUsage = 2 (here we potentially reduce the number of modes that will be full-RD checked)
    {
      if( isAllIntra && m_pcEncCfg->getFastIntraEMT() )
      {
Karsten Suehring's avatar
Karsten Suehring committed
698
        double thresholdSkipMode = 1.0 + 1.4 / sqrt( ( double ) ( width*height ) );
699
700
701
702
703
704
705
706
707

        numModesForFullRD = 0;

        // Skip checking the modes with much larger R-D cost than the best mode
        for( int i = 0; i < m_savedNumRdModes[puIndex]; i++ )
        {
          if( m_modeCostStore[puIndex][i] <= thresholdSkipMode * m_bestModeCostStore[puIndex] )
          {
            uiRdModeList.push_back( m_savedRdModeList[puIndex][i] );
708
            extendRefList.push_back(m_savedExtendRefList[puIndex][i]);
709
710
711
712
713
714
715
716
717
718
            numModesForFullRD++;
          }
        }
      }
      else //this is necessary because we skip the candidates list calculation, since it was already obtained for the DCT-II. Now we load it
      {
        // Restore the modes to be checked with RD
        numModesForFullRD = m_savedNumRdModes[puIndex];
        uiRdModeList.resize( numModesForFullRD );
        std::copy_n( m_savedRdModeList[puIndex], m_savedNumRdModes[puIndex], uiRdModeList.begin() );
719
720
721
        CandCostList.resize(numModesForFullRD);
        extendRefList.resize(numModesForFullRD);
        std::copy_n(m_savedExtendRefList[puIndex], m_savedNumRdModes[puIndex], extendRefList.begin());
722
723
      }
    }
Tung Nguyen's avatar
Tung Nguyen committed
724
#endif
725

726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
#if JVET_M0102_INTRA_SUBPARTITIONS
    if( nOptionsForISP > 1 ) // we remove the non-MPMs from the ISP lists
    {
      static_vector< uint32_t, FAST_UDI_MAX_RDMODE_NUM > uiRdModeListCopyHor = m_rdModeListWithoutMrlHor;
      m_rdModeListWithoutMrlHor.clear();
      static_vector< uint32_t, FAST_UDI_MAX_RDMODE_NUM > uiRdModeListCopyVer = m_rdModeListWithoutMrlVer;
      m_rdModeListWithoutMrlVer.clear();
      static_vector< uint32_t, FAST_UDI_MAX_RDMODE_NUM > *listPointerCopy, *listPointer;
      for( int ispOptionIdx = 1; ispOptionIdx < nOptionsForISP; ispOptionIdx++ )
      {
        cu.ispMode = ispOptions[ispOptionIdx];
        //we get the mpm cand list
        const int numMPMs = NUM_MOST_PROBABLE_MODES;
        unsigned  uiPreds[numMPMs];

        pu.multiRefIdx = 0;

        PU::getIntraMPMs( pu, uiPreds );

        //we copy only the ISP MPMs
        listPointerCopy = &( cu.ispMode == HOR_INTRA_SUBPARTITIONS ? uiRdModeListCopyHor : uiRdModeListCopyVer );
        listPointer     = &( cu.ispMode == HOR_INTRA_SUBPARTITIONS ? m_rdModeListWithoutMrlHor : m_rdModeListWithoutMrlVer );
        for( int k = 0; k < listPointerCopy->size(); k++ )
        {
          for( int q = 0; q < numMPMs; q++ )
          {
            if( listPointerCopy->at( k ) == uiPreds[q] )
            {
              listPointer->push_back( listPointerCopy->at( k ) );
              break;
            }
          }
        }
      }
      cu.ispMode = NOT_INTRA_SUBPARTITIONS;
    }
#endif

764
765
766
767
768
769

    CHECK( numModesForFullRD != uiRdModeList.size(), "Inconsistent state!" );

    // after this point, don't use numModesForFullRD

    // PBINTRA fast
Tung Nguyen's avatar
Tung Nguyen committed
770
771
772
#if JVET_M0464_UNI_MTS
    if( m_pcEncCfg->getUsePbIntraFast() && !cs.slice->isIntra() && uiRdModeList.size() < numModesAvailable )
#else
Karsten Suehring's avatar
Karsten Suehring committed
773
    if( m_pcEncCfg->getUsePbIntraFast() && !cs.slice->isIntra() && uiRdModeList.size() < numModesAvailable && emtUsageFlag != 2 )
Tung Nguyen's avatar
Tung Nguyen committed
774
#endif
775
776
777
778
    {
      if( CandHadList.size() < 3 || CandHadList[2] > cs.interHad * PBINTRA_RATIO )
      {
        uiRdModeList.resize( std::min<size_t>( uiRdModeList.size(), 2 ) );
779
#if JVET_M0102_INTRA_SUBPARTITIONS
780
        extendRefList.resize( std::min<size_t>( extendRefList.size(), 2 ) );
781
782
783
784
785
786
        if( nOptionsForISP > 1 )
        {
          m_rdModeListWithoutMrlHor.resize( std::min<size_t>( m_rdModeListWithoutMrlHor.size(), 2 ) );
          m_rdModeListWithoutMrlVer.resize( std::min<size_t>( m_rdModeListWithoutMrlVer.size(), 2 ) );
        }
#endif
787
788
789
790
      }
      if( CandHadList.size() < 2 || CandHadList[1] > cs.interHad * PBINTRA_RATIO )
      {
        uiRdModeList.resize( std::min<size_t>( uiRdModeList.size(), 1 ) );
791
#if JVET_M0102_INTRA_SUBPARTITIONS
792
        extendRefList.resize( std::min<size_t>( extendRefList.size(), 1 ) );
793
794
795
796
797
798
        if( nOptionsForISP > 1 )
        {
          m_rdModeListWithoutMrlHor.resize( std::min<size_t>( m_rdModeListWithoutMrlHor.size(), 1 ) );
          m_rdModeListWithoutMrlVer.resize( std::min<size_t>( m_rdModeListWithoutMrlVer.size(), 1 ) );
        }
#endif
799
800
801
802
803
804
805
      }
      if( CandHadList.size() < 1 || CandHadList[0] > cs.interHad * PBINTRA_RATIO )
      {
        cs.dist = std::numeric_limits<Distortion>::max();
        cs.interHad = 0;

        //===== reset context models =====
Frank Bossen's avatar
Frank Bossen committed
806
        m_CABACEstimator->getCtx() = SubCtx(Ctx::IntraLumaMpmFlag, ctxStartIntraMode);
Paul Keydel's avatar
bugfix    
Paul Keydel committed
807
808
        m_CABACEstimator->getCtx() = SubCtx( Ctx::MHIntraPredMode, ctxStartMHIntraMode );
        m_CABACEstimator->getCtx() = SubCtx( Ctx::MultiRefLineIdx, ctxStartMrlIdx );
809
810
811
812
813

        return;
      }
    }

814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
#if JVET_M0102_INTRA_SUBPARTITIONS && JVET_M0464_UNI_MTS
    if ( nOptionsForISP > 1 )
    {
      //we create a single full RD list that includes all intra modes using regular intra, MRL and ISP
      auto* firstIspList  = ispOptions[1] == HOR_INTRA_SUBPARTITIONS ? &m_rdModeListWithoutMrlHor : &m_rdModeListWithoutMrlVer;
      auto* secondIspList = ispOptions[1] == HOR_INTRA_SUBPARTITIONS ? &m_rdModeListWithoutMrlVer : &m_rdModeListWithoutMrlHor;

      if ( m_pcEncCfg->getUseFastISP() )
      {
        // find the first non-MRL mode
        size_t indexFirstMode = std::find( extendRefList.begin(), extendRefList.end(), 0 ) - extendRefList.begin();
        // if not found, just take the last mode
        if( indexFirstMode >= extendRefList.size() ) indexFirstMode = extendRefList.size() - 1;
        // move the mode indicated by indexFirstMode to the beginning
        for( int idx = ((int)indexFirstMode) - 1; idx >= 0; idx-- )
        {
          std::swap( extendRefList[idx], extendRefList[idx + 1] );
          std::swap( uiRdModeList [idx], uiRdModeList [idx + 1] );
        }
        //insert all ISP modes after the first non-mrl mode
        uiRdModeList.insert( uiRdModeList.begin() + 1, secondIspList->begin(), secondIspList->end() );
        uiRdModeList.insert( uiRdModeList.begin() + 1, firstIspList->begin() , firstIspList->end()  );

837
838
        extendRefList.insert( extendRefList.begin() + 1, secondIspList->size(), MRL_NUM_REF_LINES + ispOptions[2] );
        extendRefList.insert( extendRefList.begin() + 1, firstIspList->size() , MRL_NUM_REF_LINES + ispOptions[1] );
839
840
841
842
843
844
845
846
847
848
849
850
851
852
      }
      else
      {
        //insert all ISP modes at the end of the current list
        uiRdModeList.insert( uiRdModeList.end(), secondIspList->begin(), secondIspList->end() );
        uiRdModeList.insert( uiRdModeList.end(), firstIspList->begin() , firstIspList->end()  );

        extendRefList.insert( extendRefList.end(), secondIspList->size(), MRL_NUM_REF_LINES + ispOptions[2] );
        extendRefList.insert( extendRefList.end(), firstIspList->size() , MRL_NUM_REF_LINES + ispOptions[1] );
      }
    }
    CHECKD(uiRdModeList.size() != extendRefList.size(),"uiRdModeList and extendRefList do not have the same size!");
#endif

853
854
    //===== check modes (using r-d costs) =====
    uint32_t       uiBestPUMode  = 0;
855
    int            bestExtendRef = 0;
856
857
858
859
860
861
862
863
864
865
866

    CodingStructure *csTemp = m_pTempCS[gp_sizeIdxInfo->idxFrom( cu.lwidth() )][gp_sizeIdxInfo->idxFrom( cu.lheight() )];
    CodingStructure *csBest = m_pBestCS[gp_sizeIdxInfo->idxFrom( cu.lwidth() )][gp_sizeIdxInfo->idxFrom( cu.lheight() )];

    csTemp->slice = cs.slice;
    csBest->slice = cs.slice;
    csTemp->initStructData();
    csBest->initStructData();

    // just to be sure
    numModesForFullRD = ( int ) uiRdModeList.size();
867
868
869
870
871
#if JVET_M0102_INTRA_SUBPARTITIONS
    PartSplit intraSubPartitionsProcOrder = TU_NO_ISP;
    int       bestNormalIntraModeIndex    = -1;
    uint8_t   bestIspOption               = NOT_INTRA_SUBPARTITIONS;
    TUIntraSubPartitioner subTuPartitioner( partitioner );
872
873
874
875
876
877
878
879
880
881
#if JVET_M0464_UNI_MTS
    bool      ispHorAllZeroCbfs = false, ispVerAllZeroCbfs = false;

    for (uint32_t uiMode = 0; uiMode < numModesForFullRD; uiMode++)
    {
      // set luma prediction mode
      uint32_t uiOrgMode = uiRdModeList[uiMode];

      cu.ispMode = extendRefList[uiMode] > MRL_NUM_REF_LINES ? extendRefList[uiMode] - MRL_NUM_REF_LINES : NOT_INTRA_SUBPARTITIONS;
#else
882
883
884
885
    if ( !cu.ispMode && !cu.emtFlag )
    {
      m_modeCtrl->setEmtFirstPassNoIspCost( MAX_DOUBLE );
    }
886

887
888
889
890
891
892
893
894
    for( uint32_t ispOptionIdx = 0; ispOptionIdx < nOptionsForISP; ispOptionIdx++ )
    {
      cu.ispMode = ispOptions[ispOptionIdx];
      int numModesForFullRDispOption = cu.ispMode == NOT_INTRA_SUBPARTITIONS ? numModesForFullRD : cu.ispMode == HOR_INTRA_SUBPARTITIONS ? (int)m_rdModeListWithoutMrlHor.size() : (int)m_rdModeListWithoutMrlVer.size();
      for( uint32_t uiMode = 0; uiMode < numModesForFullRDispOption; uiMode++ )
      {
        // set luma prediction mode
        uint32_t uiOrgMode = cu.ispMode == NOT_INTRA_SUBPARTITIONS ? uiRdModeList[uiMode] : cu.ispMode == HOR_INTRA_SUBPARTITIONS ? m_rdModeListWithoutMrlHor[uiMode] : m_rdModeListWithoutMrlVer[uiMode];
895
#endif
896
897
898
899
900
901
902
903
        pu.intraDir[0] = uiOrgMode;

        int multiRefIdx = 0;
        pu.multiRefIdx = multiRefIdx;
        if( cu.ispMode )
        {
          intraSubPartitionsProcOrder = CU::getISPType( cu, COMPONENT_Y );
          bool tuIsDividedInRows = CU::divideTuInRows( cu );
904
905
906
907
908
909
#if JVET_M0464_UNI_MTS
          if ( ( tuIsDividedInRows && ispHorAllZeroCbfs ) || ( !tuIsDividedInRows && ispVerAllZeroCbfs ) )
          {
            continue;
          }
#endif
910
911
912
913
          if( m_intraModeDiagRatio.at( bestNormalIntraModeIndex ) > 1.25 )
          {
            continue;
          }
914
          if( ( m_intraModeHorVerRatio.at( bestNormalIntraModeIndex ) > 1.25 && tuIsDividedInRows ) || ( m_intraModeHorVerRatio.at( bestNormalIntraModeIndex ) < 0.8 && !tuIsDividedInRows ) )
915
          {
916
            continue;
917
918
919
920
921
922
923
924
925
          }
        }
        else
        {
          multiRefIdx = extendRefList[uiMode];
          pu.multiRefIdx = multiRefIdx;
          CHECK( pu.multiRefIdx && ( pu.intraDir[0] == DC_IDX || pu.intraDir[0] == PLANAR_IDX ), "ERL" );
        }
#else
926
927
928
929
930
931
    for (uint32_t uiMode = 0; uiMode < numModesForFullRD; uiMode++)
    {
      // set luma prediction mode
      uint32_t uiOrgMode = uiRdModeList[uiMode];

      pu.intraDir[0] = uiOrgMode;
932
933
934
      int multiRefIdx = extendRefList[uiMode];
      pu.multiRefIdx  = multiRefIdx;
      CHECK(pu.multiRefIdx && (pu.intraDir[0] == DC_IDX || pu.intraDir[0] == PLANAR_IDX), "ERL");
935
#endif
936
937
938
939
940
941
942
943


      // set context models
      m_CABACEstimator->getCtx() = ctxStart;

      // determine residual for partition
      cs.initSubStructure( *csTemp, partitioner.chType, cs.area, true );

944
945
946
947
948
949
950
#if JVET_M0102_INTRA_SUBPARTITIONS
      if( cu.ispMode )
      {
        xRecurIntraCodingLumaQT( *csTemp, subTuPartitioner, bestCurrentCost, 0, intraSubPartitionsProcOrder );
      }
      else
      {
951
952
953
#if JVET_M0464_UNI_MTS
        xRecurIntraCodingLumaQT( *csTemp, partitioner, bestIspOption ? bestCurrentCost : MAX_DOUBLE, -1, TU_NO_ISP, bestIspOption );
#else
954
        xRecurIntraCodingLumaQT( *csTemp, partitioner, MAX_DOUBLE, -1 );
955
#endif
956
957
958
959
      }

      if( cu.ispMode && !csTemp->cus[0]->firstTU->cbf[COMPONENT_Y] )
      {
960
961
962
963
964
965
966
967
968
969
#if JVET_M0464_UNI_MTS
        if ( cu.ispMode == HOR_INTRA_SUBPARTITIONS )
        {
          ispHorAllZeroCbfs |= ( m_pcEncCfg->getUseFastISP() && csTemp->tus[0]->lheight() > 2 && csTemp->cost >= bestCurrentCost );
        }
        else
        {
          ispVerAllZeroCbfs |= ( m_pcEncCfg->getUseFastISP() && csTemp->tus[0]->lwidth() > 2 && csTemp->cost >= bestCurrentCost );
        }
#endif
970
        csTemp->cost = MAX_DOUBLE;
Nan Hu's avatar
M0428    
Nan Hu committed
971
972
973
#if JVET_M0428_ENC_DB_OPT
        csTemp->costDbOffset = 0;
#endif
974
975
      }
#else
976
      xRecurIntraCodingLumaQT( *csTemp, partitioner );
977
978
#endif

979

Tung Nguyen's avatar
Tung Nguyen committed
980
#if !JVET_M0464_UNI_MTS
981
982
983
#if JVET_M0102_INTRA_SUBPARTITIONS
      if (emtUsageFlag == 1 && m_pcEncCfg->getFastIntraEMT() && !cu.ispMode)
#else
984
      if( emtUsageFlag == 1 && m_pcEncCfg->getFastIntraEMT() )
985
#endif
986
987
988
      {
        m_modeCostStore[puIndex][uiMode] = csTemp->cost; //cs.cost;
      }
Tung Nguyen's avatar
Tung Nguyen committed
989
#endif
990
991
992
993
994
995
996
997
998

      DTRACE( g_trace_ctx, D_INTRA_COST, "IntraCost T %f (%d) \n", csTemp->cost, uiOrgMode );

      // check r-d cost
      if( csTemp->cost < csBest->cost )
      {
        std::swap( csTemp, csBest );

        uiBestPUMode  = uiOrgMode;
999
        bestExtendRef = multiRefIdx;
1000
1001
1002
#if JVET_M0102_INTRA_SUBPARTITIONS
        bestIspOption = cu.ispMode;
#endif
Tung Nguyen's avatar
Tung Nguyen committed
1003
#if !JVET_M0464_UNI_MTS
1004
1005
1006
#if JVET_M0102_INTRA_SUBPARTITIONS
        if (emtUsageFlag == 1 && m_pcEncCfg->getFastIntraEMT() && !cu.ispMode)
#else
1007
        if( ( emtUsageFlag == 1 ) && m_pcEncCfg->getFastIntraEMT() )
1008
#endif
1009
1010
1011
        {
          m_bestModeCostStore[puIndex] = csBest->cost; //cs.cost;
        }
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
#endif
#if JVET_M0102_INTRA_SUBPARTITIONS
        if( csBest->cost < bestCurrentCost )
        {
          bestCurrentCost = csBest->cost;
        }
        if( !cu.ispMode )
        {
          bestNormalIntraModeIndex = uiMode;
        }
Tung Nguyen's avatar
Tung Nguyen committed
1022
#endif
1023
1024
1025
1026
      }

      csTemp->releaseIntermediateData();
    } // Mode loop
1027
1028
1029
1030
1031
1032
1033
#if JVET_M0102_INTRA_SUBPARTITIONS
#if !JVET_M0464_UNI_MTS
    if (!cu.ispMode && !cu.emtFlag)
    {
      m_modeCtrl->setEmtFirstPassNoIspCost(csBest->cost);
    }
    }
1034
#endif
1035
1036
    cu.ispMode = bestIspOption;
#endif
1037

Taoran Lu's avatar
Taoran Lu committed
1038
1039
1040
#if JVET_M0427_INLOOP_RESHAPER
    cs.useSubStructure(*csBest, partitioner.chType, pu.singleChan(CHANNEL_TYPE_LUMA), true, true, keepResi, keepResi);
#else
1041
    cs.useSubStructure( *csBest, partitioner.chType, pu.singleChan( CHANNEL_TYPE_LUMA ), KEEP_PRED_AND_RESI_SIGNALS, true, keepResi, keepResi );
Taoran Lu's avatar
Taoran Lu committed
1042
#endif
1043
1044
1045
    csBest->releaseIntermediateData();
    //=== update PU data ====
    pu.intraDir[0] = uiBestPUMode;
1046
    pu.multiRefIdx = bestExtendRef;
1047
1048
1049
1050
1051
1052
  }

  //===== reset context models =====
  m_CABACEstimator->getCtx() = ctxStart;
}

1053
1054
1055
#if JVET_M0102_INTRA_SUBPARTITIONS
void IntraSearch::estIntraPredChromaQT( CodingUnit &cu, Partitioner &partitioner, const double maxCostAllowed )
#else
1056
void IntraSearch::estIntraPredChromaQT(CodingUnit &cu, Partitioner &partitioner)
1057
#endif
1058
1059
1060
1061
1062
1063
1064
1065
{
  const ChromaFormat format   = cu.chromaFormat;
  const uint32_t    numberValidComponents = getNumberValidComponents(format);
  CodingStructure &cs = *cu.cs;
  const TempCtx ctxStart  ( m_CtxCache, m_CABACEstimator->getCtx() );

  cs.setDecomp( cs.area.Cb(), false );

1066
1067
1068
1069
1070
1071
1072
#if JVET_M0102_INTRA_SUBPARTITIONS
  double    bestCostSoFar = maxCostAllowed;
  bool      lumaUsesISP   = !CS::isDualITree( *cu.cs ) && cu.ispMode;
  PartSplit ispType       = lumaUsesISP ? CU::getISPType( cu, COMPONENT_Y ) : TU_NO_ISP;
  CHECK( cu.ispMode && bestCostSoFar < 0, "bestCostSoFar must be positive!" );
#endif

1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
  auto &pu = *cu.firstPU;

  {
    uint32_t       uiBestMode = 0;
    Distortion uiBestDist = 0;
    double     dBestCost = MAX_DOUBLE;

    //----- init mode list ----
    {
      uint32_t  uiMinMode = 0;
      uint32_t  uiMaxMode = NUM_CHROMA_MODE;

      //----- check chroma modes -----
      uint32_t chromaCandModes[ NUM_CHROMA_MODE ];
      PU::getIntraChromaCandModes( pu, chromaCandModes );

      // create a temporary CS
      CodingStructure &saveCS = *m_pSaveCS[0];
      saveCS.pcv      = cs.pcv;
      saveCS.picture  = cs.picture;
      saveCS.area.repositionTo( cs.area );
      saveCS.clearTUs();

1096
1097
1098
1099
1100
1101
1102
1103
#if JVET_M0102_INTRA_SUBPARTITIONS
      if( !CS::isDualITree( cs ) && cu.ispMode )
      {
        saveCS.clearCUs();
        saveCS.clearPUs();
      }
#endif

1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
      if( CS::isDualITree( cs ) )
      {
        if( partitioner.canSplit( TU_MAX_TR_SPLIT, cs ) )
        {
          partitioner.splitCurrArea( TU_MAX_TR_SPLIT, cs );

          do
          {
            cs.addTU( CS::getArea( cs, partitioner.currArea(), partitioner.chType ), partitioner.chType ).depth = partitioner.currTrDepth;
          } while( partitioner.nextPart( cs ) );

          partitioner.exitCurrSplit();
        }
        else
        cs.addTU( CS::getArea( cs, partitioner.currArea(), partitioner.chType ), partitioner.chType );
      }

      std::vector<TransformUnit*> orgTUs;

1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
#if JVET_M0102_INTRA_SUBPARTITIONS
      if( lumaUsesISP )
      {
        CodingUnit& auxCU = saveCS.addCU( cu, partitioner.chType );
        auxCU.ispMode = cu.ispMode;
        saveCS.sps = cu.cs->sps;
        saveCS.addPU( *cu.firstPU, partitioner.chType );
      }
#endif

1133
1134
1135
1136
1137

      // create a store for the TUs
      for( const auto &ptu : cs.tus )
      {
        // for split TUs in HEVC, add the TUs without Chroma parts for correct setting of Cbfs
1138
1139
1140
#if JVET_M0102_INTRA_SUBPARTITIONS
        if( lumaUsesISP || pu.contains( *ptu, CHANNEL_TYPE_CHROMA ) )
#else
Karsten Suehring's avatar
Karsten Suehring committed
1141
        if( pu.contains( *ptu, CHANNEL_TYPE_CHROMA ) )
1142
#endif
1143
1144
1145
1146
1147
        {
          saveCS.addTU( *ptu, partitioner.chType );
          orgTUs.push_back( ptu );
        }
      }
1148
1149
1150
1151
1152
1153
#if JVET_M0102_INTRA_SUBPARTITIONS
      if( lumaUsesISP )
      {
        saveCS.clearCUs();
      }
#endif
Xiang Ma's avatar
Xiang Ma committed
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
      // SATD pre-selecting.
      int satdModeList[NUM_CHROMA_MODE];
      int64_t satdSortedCost[NUM_CHROMA_MODE];
      for (int i = 0; i < NUM_CHROMA_MODE; i++)
      {
        satdSortedCost[i] = 0; // for the mode not pre-select by SATD, do RDO by default, so set the initial value 0.
        satdModeList[i] = 0;
      }
      bool modeIsEnable[NUM_INTRA_MODE + 1]; // use intra mode idx to check whether enable
      for (int i = 0; i < NUM_INTRA_MODE + 1; i++)
      {
        modeIsEnable[i] = 1;
      }

      DistParam distParam;
      const bool useHadamard = true;
      pu.intraDir[1] = MDLM_L_IDX; // temporary assigned, just to indicate this is a MDLM mode. for luma down-sampling operation.

      initIntraPatternChType(cu, pu.Cb());
      initIntraPatternChType(cu, pu.Cr());
      xGetLumaRecPixels(pu, pu.Cb());

      for (int idx = uiMinMode; idx <= uiMaxMode - 1; idx++)
      {
        int mode = chromaCandModes[idx];
        satdModeList[idx] = mode;
        if (PU::isLMCMode(mode) && !PU::isLMCModeEnabled(pu, mode))
        {
          continue;
        }
1184
        if ((mode == LM_CHROMA_IDX) || (mode == PLANAR_IDX) || (mode == DM_CHROMA_IDX)) // only pre-check regular modes and MDLM modes, not including DM ,Planar, and LM
Xiang Ma's avatar
Xiang Ma committed
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
        {
          continue;
        }
        pu.intraDir[1] = mode; // temporary assigned, for SATD checking.

        int64_t sad = 0;
        CodingStructure& cs = *(pu.cs);

        CompArea areaCb = pu.Cb();
        PelBuf orgCb = cs.getOrgBuf(areaCb);
        PelBuf predCb = cs.getPredBuf(areaCb);

        m_pcRdCost->setDistParam(distParam, orgCb, predCb, pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cb, useHadamard);
        distParam.applyWeight = false;

        if (PU::isLMCMode(mode))
        {
          predIntraChromaLM(COMPONENT_Cb, predCb, pu, areaCb, mode);
        }
        else
        {
          predIntraAng(COMPONENT_Cb, predCb, pu, false);
        }

        sad += distParam.distFunc(distParam);
1210

Xiang Ma's avatar
Xiang Ma committed
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
        CompArea areaCr = pu.Cr();
        PelBuf orgCr = cs.getOrgBuf(areaCr);
        PelBuf predCr = cs.getPredBuf(areaCr);

        m_pcRdCost->setDistParam(distParam, orgCr, predCr, pu.cs->sps->getBitDepth(CHANNEL_TYPE_CHROMA), COMPONENT_Cr, useHadamard);
        distParam.applyWeight = false;

        if (PU::isLMCMode(mode))
        {
          predIntraChromaLM(COMPONENT_Cr, predCr, pu, areaCr, mode);
        }
        else
        {
          predIntraAng(COMPONENT_Cr, predCr, pu, false);
        }
        sad += distParam.distFunc(distParam);
        satdSortedCost[idx] = sad;
      }
      // sort the mode based on the cost from small to large.
      int tempIdx = 0;
      int64_t tempCost = 0;
      for (int i = uiMinMode; i <= uiMaxMode - 1; i++)
      {
        for (int j = i + 1; j <= uiMaxMode - 1; j++)
        {
          if (satdSortedCost[j] < satdSortedCost[i])
          {
            tempIdx = satdModeList[i];
            satdModeList[i] = satdModeList[j];
            satdModeList[j] = tempIdx;

            tempCost = satdSortedCost[i];
            satdSortedCost[i] = satdSortedCost[j];
            satdSortedCost[j] = tempCost;

          }
        }
      }
      int reducedModeNumber = 2; // reduce the number of chroma modes
      for (int i = 0; i < reducedModeNumber; i++)
      {
        modeIsEnable[satdModeList[uiMaxMode - 1 - i]] = 0; // disable the last reducedModeNumber modes
      }
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264

      // save the dist
      Distortion baseDist = cs.dist;

      for (uint32_t uiMode = uiMinMode; uiMode < uiMaxMode; uiMode++)
      {
        const int chromaIntraMode = chromaCandModes[uiMode];
        if( PU::isLMCMode( chromaIntraMode ) && ! PU::isLMCModeEnabled( pu, chromaIntraMode ) )
        {
          continue;
        }
Xiang Ma's avatar
Xiang Ma committed
1265
1266
1267
1268
        if (!modeIsEnable[chromaIntraMode] && PU::isLMCModeEnabled(pu, chromaIntraMode)) // when CCLM is disable, then MDLM is disable. not use satd checking
        {
          continue;
        }
1269
1270
1271
1272
1273
1274
1275
1276
        cs.setDecomp( pu.Cb(), false );
        cs.dist = baseDist;
        //----- restore context models -----
        m_CABACEstimator->getCtx() = ctxStart;

        //----- chroma coding -----
        pu.intraDir[1] = chromaIntraMode;

1277
1278
1279
1280
1281
1282
1283
#if JVET_M0102_INTRA_SUBPARTITIONS
        xRecurIntraChromaCodingQT( cs, partitioner, bestCostSoFar, ispType );
        if( lumaUsesISP && cs.dist == MAX_UINT )
        {
          continue;
        }
#else
1284
        xRecurIntraChromaCodingQT( cs, partitioner );
1285
#endif
1286
1287
1288
1289
1290
1291

        if (cs.pps->getUseTransformSkip())
        {
          m_CABACEstimator->getCtx() = ctxStart;
        }

1292
1293
1294
#if JVET_M0102_INTRA_SUBPARTITIONS
        uint64_t fracBits   = xGetIntraFracBitsQT( cs, partitioner, false, true, -1, ispType );
#else
1295
        uint64_t fracBits   = xGetIntraFracBitsQT( cs, partitioner, false, true );
1296
#endif
1297
1298
1299
1300
1301
1302
        Distortion uiDist = cs.dist;
        double    dCost   = m_pcRdCost->calcRdCost( fracBits, uiDist - baseDist );

        //----- compare -----
        if( dCost < dBestCost )
        {
1303
1304
1305
1306
1307
1308
#if JVET_M0102_INTRA_SUBPARTITIONS
          if( lumaUsesISP && dCost < bestCostSoFar )
          {
            bestCostSoFar = dCost;
          }
#endif
1309
1310
1311
1312
1313
1314
1315
1316
          for( uint32_t i = getFirstComponentOfChannel( CHANNEL_TYPE_CHROMA ); i < numberValidComponents; i++ )
          {
            const CompArea &area = pu.blocks[i];

            saveCS.getRecoBuf     ( area ).copyFrom( cs.getRecoBuf   ( area ) );
#if KEEP_PRED_AND_RESI_SIGNALS
            saveCS.getPredBuf     ( area ).copyFrom( cs.getPredBuf   ( area ) );
            saveCS.getResiBuf     ( area ).copyFrom( cs.getResiBuf   ( area ) );
Taoran Lu's avatar
Taoran Lu committed
1317
1318
1319
1320
#endif
#if JVET_M0427_INLOOP_RESHAPER
            saveCS.getPredBuf     ( area ).copyFrom( cs.getPredBuf   (area ) );
            cs.picture->getPredBuf( area ).copyFrom( cs.getPredBuf   (area ) );
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
#endif
            cs.picture->getRecoBuf( area ).copyFrom( cs.getRecoBuf( area ) );

            for( uint32_t j = 0; j < saveCS.tus.size(); j++ )
            {
              saveCS.tus[j]->copyComponentFrom( *orgTUs[j], area.compID );
            }
          }

          dBestCost  = dCost;
          uiBestDist = uiDist;
          uiBestMode = chromaIntraMode;
        }
      }

      for( uint32_t i = getFirstComponentOfChannel( CHANNEL_TYPE_CHROMA ); i < numberValidComponents; i++ )
      {
        const CompArea &area = pu.blocks[i];

        cs.getRecoBuf         ( area ).copyFrom( saveCS.getRecoBuf( area ) );
#if KEEP_PRED_AND_RESI_SIGNALS
        cs.getPredBuf         ( area ).copyFrom( saveCS.getPredBuf( area ) );
        cs.getResiBuf         ( area ).copyFrom( saveCS.getResiBuf( area ) );
#endif
Taoran Lu's avatar
Taoran Lu committed
1345
1346
1347
1348
1349
#if JVET_M0427_INLOOP_RESHAPER
        cs.getPredBuf         ( area ).copyFrom( saveCS.getPredBuf( area ) );
        cs.picture->getPredBuf( area ).copyFrom( cs.getPredBuf    ( area ) );
#endif

1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
        cs.picture->getRecoBuf( area ).copyFrom( cs.    getRecoBuf( area ) );

        for( uint32_t j = 0; j < saveCS.tus.size(); j++ )
        {
          orgTUs[ j ]->copyComponentFrom( *saveCS.tus[ j ], area.compID );
        }
      }
    }

    pu.intraDir[1] = uiBestMode;
    cs.dist        = uiBestDist;
  }

  //----- restore context models -----
  m_CABACEstimator->getCtx() = ctxStart;
1365
1366
1367
1368
1369
1370
#if JVET_M0102_INTRA_SUBPARTITIONS
  if( lumaUsesISP && bestCostSoFar >= maxCostAllowed )
  {
    cu.ispMode = 0;
  }
#endif
1371
1372
1373
1374
}

void IntraSearch::IPCMSearch(CodingStructure &cs, Partitioner& partitioner)
{
1375
1376
1377
  ComponentID compStr = (CS::isDualITree(cs) && !isLuma(partitioner.chType)) ? COMPONENT_Cb: COMPONENT_Y;
  ComponentID compEnd = (CS::isDualITree(cs) && isLuma(partitioner.chType)) ? COMPONENT_Y : COMPONENT_Cr;
  for( ComponentID compID = compStr; compID <= compEnd; compID = ComponentID(compID+1) )
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
  {

    xEncPCM(cs, partitioner, compID);
  }

  cs.getPredBuf().fill(0);
  cs.getResiBuf().fill(0);
  cs.getOrgResiBuf().fill(0);

  cs.dist     = 0;
  cs.fracBits = 0;
  cs.cost     = 0;

  cs.setDecomp(cs.area);
Taoran Lu's avatar
Taoran Lu committed
1392
1393
#if JVET_M0427_INLOOP_RESHAPER
  cs.picture->getPredBuf(cs.area).copyFrom(cs.getPredBuf());
1394
#endif
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
}

void IntraSearch::xEncPCM(CodingStructure &cs, Partitioner& partitioner, const ComponentID &compID)
{
  TransformUnit &tu = *cs.getTU( partitioner.chType );

  const int  channelBitDepth = cs.sps->getBitDepth(toChannelType(compID));
  const uint32_t uiPCMBitDepth = cs.sps->getPCMBitDepth(toChannelType(compID));

  const int pcmShiftRight = (channelBitDepth - int(uiPCMBitDepth));

  CompArea  area    = tu.blocks[compID];
  PelBuf    pcmBuf  = tu.getPcmbuf  (compID);
  PelBuf    recBuf  = cs.getRecoBuf ( area );
  CPelBuf   orgBuf  = cs.getOrgBuf  ( area );

  CHECK(pcmShiftRight < 0, "Negative shift");
Taoran Lu's avatar
Taoran Lu committed
1412
1413
1414
1415
1416
1417
1418
1419
1420
#if JVET_M0427_INLOOP_RESHAPER
  CompArea      tmpArea(COMPONENT_Y, area.chromaFormat, Position(0, 0), area.size());
  PelBuf tempOrgBuf = m_tmpStorageLCU.getBuf(tmpArea);
  tempOrgBuf.copyFrom(orgBuf);
  if (cs.slice->getReshapeInfo().getUseSliceReshaper() && m_pcReshape->getCTUFlag() && compID == COMPONENT_Y)
  {
    tempOrgBuf.rspSignal(m_pcReshape->getFwdLUT());
  }
#endif
1421
1422
1423
1424
1425
  for (uint32_t uiY = 0; uiY < pcmBuf.height; uiY++)
  {
    for (uint32_t uiX = 0; uiX < pcmBuf.width; uiX++)
    {
      // Encode
Taoran Lu's avatar
Taoran Lu committed
1426
1427
1428
#if JVET_M0427_INLOOP_RESHAPER
      pcmBuf.at(uiX, uiY) = tempOrgBuf.at(uiX, uiY) >> pcmShiftRight;
#else
1429
      pcmBuf.at(uiX, uiY) = orgBuf.at(uiX, uiY) >> pcmShiftRight;
Taoran Lu's avatar
Taoran Lu committed
1430
#endif
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
      // Reconstruction
      recBuf.at(uiX, uiY) = pcmBuf.at(uiX, uiY) << pcmShiftRight;
    }
  }
}

// -------------------------------------------------------------------------------------------------------------------
// Intra search
// -------------------------------------------------------------------------------------------------------------------

1441
1442
1443
#if JVET_M0102_INTRA_SUBPARTITIONS
void IntraSearch::xEncIntraHeader( CodingStructure &cs, Partitioner &partitioner, const bool &bLuma, const bool &bChroma, const int subTuIdx )
#else
1444
void IntraSearch::xEncIntraHeader(CodingStructure &cs, Partitioner &partitioner, const bool &bLuma, const bool &bChroma)
1445
#endif
1446
1447
1448
1449
1450
{
  CodingUnit &cu = *cs.getCU( partitioner.chType );

  if (bLuma)
  {
1451
1452
1453
#if JVET_M0102_INTRA_SUBPARTITIONS
    bool isFirst = cu.ispMode ? subTuIdx == 0 : partitioner.currArea().lumaPos() == cs.area.lumaPos();
#else
1454
    bool isFirst = partitioner.currArea().lumaPos() == cs.area.lumaPos();
1455
#endif
1456
1457
1458
1459

    // CU header
    if( isFirst )
    {
1460
#if JVET_M0483_IBC
Yu Han's avatar
Yu Han committed
1461
      if ((!cs.slice->isIntra() || cs.slice->getSPS()->getIBCFlag())
Yu Han's avatar
Yu Han committed
1462
#else
1463
      if( !cs.slice->isIntra()
Yu Han's avatar
Yu Han committed
1464
#endif
Xiaozhong Xu's avatar
Xiaozhong Xu committed
1465
        && cu.Y().valid()
1466
        )
1467
1468
1469
1470
1471
1472
1473
1474
      {
        if( cs.pps->getTransquantBypassEnabledFlag() )
        {
          m_CABACEstimator->cu_transquant_bypass_flag( cu );
        }
        m_CABACEstimator->cu_skip_flag( cu );
        m_CABACEstimator->pred_mode   ( cu );
      }
1475
      m_CABACEstimator->extend_ref_line(cu);
1476
1477
1478
#if JVET_M0102_INTRA_SUBPARTITIONS
      m_CABACEstimator->isp_mode      ( cu );
#endif
Karsten Suehring's avatar
Karsten Suehring committed
1479
      if( CU::isIntra(cu) )
1480
      {
1481
        m_CABACEstimator->pcm_data( cu, partitioner );
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
        if( cu.ipcm )
        {
          return;
        }
      }
    }

    PredictionUnit &pu = *cs.getPU(partitioner.currArea().lumaPos(), partitioner.chType);

    // luma prediction mode
Karsten Suehring's avatar
Karsten Suehring committed
1492
    if (isFirst)
1493
    {
Karsten Suehring's avatar
Karsten Suehring committed
1494
1495
1496
      if ( !cu.Y().valid())
        m_CABACEstimator->pred_mode( cu );
      m_CABACEstimator->intra_luma_pred_mode( pu );
1497
1498
1499
1500
1501
1502
1503
1504
1505
    }
  }

  if (bChroma)
  {
    bool isFirst = partitioner.currArea().Cb().valid() && partitioner.currArea().chromaPos() == cs.area.chromaPos();

    PredictionUnit &pu = *cs.getPU( partitioner.currArea().chromaPos(), CHANNEL_TYPE_CHROMA );

Karsten Suehring's avatar
Karsten Suehring committed
1506
    if( isFirst )
1507
    {
Karsten Suehring's avatar
Karsten Suehring committed
1508
      m_CABACEstimator->intra_chroma_pred_mode( pu );
1509
1510
1511
1512
    }
  }
}

1513
1514
1515
1516
1517
1518
1519
1520
#if JVET_M0102_INTRA_SUBPARTITIONS
void IntraSearch::xEncSubdivCbfQT( CodingStructure &cs, Partitioner &partitioner, const bool &bLuma, const bool &bChroma, const int subTuIdx, const PartSplit ispType )
{
  const UnitArea &currArea = partitioner.currArea();
          int subTuCounter = subTuIdx;
  TransformUnit &currTU = *cs.getTU( currArea.blocks[partitioner.chType], partitioner.chType, subTuCounter );
  CodingUnit    &currCU = *currTU.cu;
#else
1521
1522
1523
1524
void IntraSearch::xEncSubdivCbfQT(CodingStructure &cs, Partitioner &partitioner, const bool &bLuma, const bool &bChroma)
{
  const UnitArea &currArea = partitioner.currArea();
  TransformUnit &currTU    = *cs.getTU( currArea.blocks[partitioner.chType], partitioner.chType );
Tung Nguyen's avatar
Tung Nguyen committed
1525
#if !JVET_M0464_UNI_MTS
1526
  CodingUnit &currCU       = *currTU.cu;
1527
#endif
Tung Nguyen's avatar
Tung Nguyen committed
1528
#endif
1529
1530
1531
  uint32_t currDepth           = partitioner.currTrDepth;

  const bool subdiv        = currTU.depth > currDepth;
1532
1533
1534
1535
#if JVET_M0102_INTRA_SUBPARTITIONS
  ComponentID compID = partitioner.chType == CHANNEL_TYPE_LUMA ? COMPONENT_Y : COMPONENT_Cb;
  const bool chromaCbfISP = currArea.blocks[COMPONENT_Cb].valid() && currCU.ispMode && !subdiv;
#endif
1536

Karsten Suehring's avatar
Karsten Suehring committed
1537
  if( partitioner.canSplit( TU_MAX_TR_SPLIT, cs ) )
1538
  {
Karsten Suehring's avatar
Karsten Suehring committed
1539
1540
1541
1542
    CHECK( !subdiv, "TU split implied" );
  }
  else
  {
1543
1544
1545
1546
1547
1548
#if JVET_M0102_INTRA_SUBPARTITIONS
    CHECK( subdiv && !currCU.ispMode && isLuma( compID ), "No TU subdivision is allowed with QTBT" );
  }

  if( bChroma && ( !currCU.ispMode || chromaCbfISP ) )
#else
Karsten Suehring's avatar
Karsten Suehring committed
1549
    CHECK( subdiv, "No TU subdivision is allowed with QTBT" );
1550
1551
1552
  }

  if (bChroma)