Cpr para seq fix

source/Lib/CommonLib/CodingStructure.cpp

@@ -566,7 +566,7 @@ void CodingStructure::allocateVectorsAtPicLevel()
 {
   const int  twice = ( 
 #if JVET_K0076_CPR_DT
-  (!pcv->ISingleTree && (slice->isIntra() || (this->slice->getNumRefIdx(REF_PIC_LIST_0) == 1 && this->slice->getNumRefIdx(REF_PIC_LIST_1) == 0 && this->slice->getRefPOC(REF_PIC_LIST_0, 0) == this->slice->getPOC())))
+  (!pcv->ISingleTree && (slice->isIntra() || this->slice->getCprIsOnlyRefPic()))
 #else
     !pcv->ISingleTree && slice->isIntra()
 #endif

source/Lib/CommonLib/Slice.cpp

@@ -136,6 +136,9 @@ Slice::Slice()
 , m_iProcessingStartTime          ( 0 )
 , m_dProcessingTime               ( 0 )
 , m_uiMaxBTSize                   ( 0 )
+#if JVET_K0076_CPR
+, m_bCprIsOnlyRefPic              ( false )
+#endif
 {
   for(uint32_t i=0; i<NUM_REF_PIC_LIST_01; i++)
   {
@@ -2724,7 +2727,7 @@ void calculateParameterSetChangedFlag(bool &bChanged, const std::vector<uint8_t>
 uint32_t PreCalcValues::getValIdx( const Slice &slice, const ChannelType chType ) const
 {
 #if JVET_K0076_CPR_DT
-  return (slice.isIntra() || (slice.getNumRefIdx(REF_PIC_LIST_0) == 1 && slice.getNumRefIdx(REF_PIC_LIST_1) == 0 && slice.getRefPOC(REF_PIC_LIST_0, 0) == slice.getPOC()))
+  return (slice.isIntra() || slice.getCprIsOnlyRefPic())
     ? (ISingleTree ? 0 : (chType << 1)) : 1;
 #else
   return slice.isIntra() ? ( ISingleTree ? 0 : ( chType << 1 ) ) : 1;
@@ -2744,7 +2747,7 @@ uint32_t PreCalcValues::getMinBtSize( const Slice &slice, const ChannelType chTy
 uint32_t PreCalcValues::getMaxBtSize( const Slice &slice, const ChannelType chType ) const
 {
 #if JVET_K0076_CPR_DT
-  return (( !slice.isIntra() && !(slice.getNumRefIdx(REF_PIC_LIST_0) == 1 && slice.getNumRefIdx(REF_PIC_LIST_1) == 0 && slice.getRefPOC(REF_PIC_LIST_0, 0) == slice.getPOC()) )
+  return ((!slice.isIntra() && !slice.getCprIsOnlyRefPic())
     || isLuma(chType) || ISingleTree) ? slice.getMaxBTSize() : MAX_BT_SIZE_C;
 #else
   return ( !slice.isIntra() || isLuma( chType ) || ISingleTree ) ? slice.getMaxBTSize() : MAX_BT_SIZE_C;

source/Lib/CommonLib/Slice.h

@@ -1839,6 +1839,9 @@ private:
   clock_t                    m_iProcessingStartTime;
   double                     m_dProcessingTime;
   uint32_t                       m_uiMaxBTSize;
+#if  JVET_K0076_CPR
+  bool                       m_bCprIsOnlyRefPic;
+#endif
 
 #if JVET_K0371_ALF
   AlfSliceParam              m_alfSliceParam;
@@ -1959,6 +1962,10 @@ public:
 
   void                        setMaxBTSize(int i)                                    { m_uiMaxBTSize = i; }
   uint32_t                        getMaxBTSize() const                                   { return m_uiMaxBTSize; }
+#if  JVET_K0076_CPR
+  bool                        getCprIsOnlyRefPic() const                             { return m_bCprIsOnlyRefPic; }
+  void                        setCprIsOnlyRefPic(bool b)                             { m_bCprIsOnlyRefPic = b; }
+#endif
 
 #if JEM_TOOLS
   bool                        getUseLIC()                                   const    { return m_UseLIC; }

source/Lib/CommonLib/UnitTools.cpp

@@ -243,13 +243,7 @@ bool CS::isDualITree( const CodingStructure &cs )
 {
 #if JVET_K0076_CPR_DT
   // for I slice, or P slice with CPR is the only ref
-  return (cs.slice->isIntra() ||
-          (
-            cs.slice->getNumRefIdx(REF_PIC_LIST_0) == 1 &&
-            cs.slice->getNumRefIdx(REF_PIC_LIST_1) == 0 &&
-            cs.slice->getRefPOC(REF_PIC_LIST_0, 0) == cs.slice->getPOC()
-          )
-         ) && !cs.pcv->ISingleTree;
+  return (cs.slice->isIntra() || cs.slice->getCprIsOnlyRefPic()) && !cs.pcv->ISingleTree;
 #else
   return cs.slice->isIntra() && !cs.pcv->ISingleTree;
 #endif

source/Lib/DecoderLib/DecLib.cpp

@@ -1167,7 +1167,7 @@ bool DecLib::xDecodeSlice(InputNALUnit &nalu, int &iSkipFrame, int iPOCLastDispl
     pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_associatedIRAPType, m_cListPic );
     // Set reference list
     pcSlice->setRefPicList( m_cListPic, true, true );
-
+	
     if (!pcSlice->isIntra())
     {
       bool bLowDelay = true;
@@ -1197,6 +1197,12 @@ bool DecLib::xDecodeSlice(InputNALUnit &nalu, int &iSkipFrame, int iPOCLastDispl
 
     //---------------
     pcSlice->setRefPOCList();
+#if JVET_K0076_CPR
+    if (pcSlice->getNumRefIdx(REF_PIC_LIST_0) == 1 &&
+        pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0 &&
+        pcSlice->getRefPOC(REF_PIC_LIST_0, 0) == pcSlice->getPOC())
+      pcSlice->setCprIsOnlyRefPic(true);
+#endif
 
 #if JEM_TOOLS
     if( pcSlice->getSPS()->getSpsNext().getUseBIO() )

source/Lib/EncoderLib/EncCu.cpp

@@ -411,7 +411,7 @@ void EncCu::compressCtu( CodingStructure& cs, const UnitArea& area, const unsign
 
   if( !cs.pcv->ISingleTree && 
 #if JVET_K0076_CPR_DT
-  (cs.slice->isIntra() || (cs.slice->getNumRefIdx(REF_PIC_LIST_0) == 1 && cs.slice->getNumRefIdx(REF_PIC_LIST_1) == 0 && cs.slice->getRefPOC(REF_PIC_LIST_0, 0) == cs.slice->getPOC()))
+  (cs.slice->isIntra() || cs.slice->getCprIsOnlyRefPic())
 #else
     cs.slice->isIntra() 
 #endif

source/Lib/EncoderLib/EncGOP.cpp

@@ -1684,6 +1684,7 @@ void EncGOP::compressGOP( int iPOCLast, int iNumPicRcvd, PicList& rcListPic,
     if (pcSlice->getSliceType() == I_SLICE && pcSlice->getSPS()->getSpsNext().getIBCMode())
     {
       pcSlice->setSliceType(P_SLICE);
+      pcSlice->setCprIsOnlyRefPic(true);
     }
 #endif
     // Set the nal unit type
@@ -1889,7 +1890,11 @@ void EncGOP::compressGOP( int iPOCLast, int iNumPicRcvd, PicList& rcListPic,
 
     if( m_pcCfg->getUseAMaxBT() )
     {
-      if( !pcSlice->isIntra() )
+      if( !pcSlice->isIntra() 
+#if JVET_K0076_CPR
+       && !pcSlice->getCprIsOnlyRefPic()
+#endif
+        )
       {
         int refLayer = pcSlice->getDepth();
         if( refLayer > 9 ) refLayer = 9; // Max layer is 10
@@ -2524,10 +2529,7 @@ void EncGOP::compressGOP( int iPOCLast, int iNumPicRcvd, PicList& rcListPic,
       {
         if( !pcSlice->isIntra() 
 #if JVET_K0076_CPR
-            &&
-          !(pcSlice->getNumRefIdx(REF_PIC_LIST_0) == 1 &&
-            pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0 &&
-            pcSlice->getRefPOC(REF_PIC_LIST_0, 0) == pcSlice->getPOC())
+         && !pcSlice->getCprIsOnlyRefPic()
 #endif  			
           )
         {

source/Lib/EncoderLib/EncSlice.cpp

@@ -1274,7 +1274,11 @@ void EncSlice::compressSlice( Picture* pcPic, const bool bCompressEntireSlice, c
 #if JVET_K0346
   if (pcSlice->getSPS()->getSpsNext().getUseSubPuMvp())
   {
-    if (!pcSlice->isIntra())
+    if (!pcSlice->isIntra()
+#if JVET_K0076_CPR
+        && !pcSlice->getCprIsOnlyRefPic()
+#endif
+       )
     {
       if (pcSlice->getPOC() > m_pcCuEncoder->getPrevPOC() && m_pcCuEncoder->getClearSubMergeStatic())
       {