Changeset 978 in SHVCSoftware for branches/SHM-dev/source/Lib/TLibDecoder

Timestamp:

13 Jan 2015, 14:56:46 (11 years ago)

Author:

nokia

Message:

Implementation of JCTVC-R0071 - IRAP and EOS cross-layer impacts

Location:

branches/SHM-dev/source/Lib/TLibDecoder

Files:

• TDecTop.cpp (modified) (7 diffs)
• TDecTop.h (modified) (2 diffs)

branches/SHM-dev/source/Lib/TLibDecoder/TDecTop.cpp

@@ -100 +100 @@
   m_isLastNALWasEos = false;
 #endif
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+  m_lastPicHasEos = false;
+#endif
 #if NO_CLRAS_OUTPUT_FLAG
   m_noClrasOutputFlag          = false;
@@ -1146 +1149 @@
       setNoClrasOutputFlag(true);
     }
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+    else if (m_lastPicHasEos)
+    {
+      setNoClrasOutputFlag(true);
+    }
+#endif
     else if ( m_apcSlicePilot->getBlaPicFlag() )
     {
@@ -1833 +1842 @@
     }
 #endif
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+    xCheckLayerReset();
+    xSetLayerInitializedFlag();
+#endif
     // Buffer initialize for prediction.
     m_cPrediction.initTempBuff();
@@ -2426 +2439 @@
 #if P0297_VPS_POC_LSB_ALIGNED_FLAG
   setFirstPicInLayerDecodedFlag(true);
+#endif
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+  m_lastPicHasEos = false;
 #endif
 
@@ -2690 +2706 @@
 #if Q0177_EOS_CHECKS
       assert( m_isLastNALWasEos == false );
+#if !R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
       //Check layer id of the nalu. if it is not 0, give a warning message and just return without doing anything.
       if (nalu.m_layerId > 0)
@@ -2696 +2713 @@
         return false;
       }
+#endif
       m_isLastNALWasEos = true;
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+      m_lastPicHasEos = true;
+#endif
 #endif
       m_associatedIRAPType = NAL_UNIT_INVALID;
@@ -3101 +3122 @@
 }
 #endif
+
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+Void TDecTop::xCheckLayerReset()
+{
+  if (m_apcSlicePilot->isIRAP() && m_layerId > 0)
+  {
+    Bool layerResetFlag;
+    UInt dolLayerId;
+    if (m_lastPicHasEos)
+    {
+      layerResetFlag = true;
+      dolLayerId = m_layerId;
+    }
+    else if ((m_apcSlicePilot->isCRA() && m_apcSlicePilot->getHandleCraAsBlaFlag()) ||
+      (m_apcSlicePilot->isIDR() && m_apcSlicePilot->getCrossLayerBLAFlag()) || m_apcSlicePilot->isBLA())
+    {
+      layerResetFlag = true;
+      dolLayerId = m_layerId;
+    }
+    else
+    {
+      layerResetFlag = false;
+    }
+
+    if (layerResetFlag)
+    {
+      for (Int i = 0; i < m_apcSlicePilot->getVPS()->getNumPredictedLayers(dolLayerId); i++)
+      {
+        UInt iLayerId = m_apcSlicePilot->getVPS()->getPredictedLayerId(dolLayerId, i);
+        m_ppcTDecTop[iLayerId]->m_layerInitializedFlag = false;
+        m_ppcTDecTop[iLayerId]->m_firstPicInLayerDecodedFlag = false;
+      }
+
+      for (TComList<TComPic*>::iterator i = m_cListPic.begin(); i != m_cListPic.end(); i++)
+      {
+        if ((*i)->getPOC() != m_apcSlicePilot->getPOC())
+        {
+          (*i)->getSlice(0)->setReferenced(false);
+        }
+      }
+
+      for (UInt i = 0; i < m_apcSlicePilot->getVPS()->getNumPredictedLayers(dolLayerId); i++)
+      {
+        UInt predLId = m_apcSlicePilot->getVPS()->getPredictedLayerId(dolLayerId, i);
+        for (TComList<TComPic*>::iterator pic = m_ppcTDecTop[predLId]->getListPic()->begin(); pic != m_ppcTDecTop[predLId]->getListPic()->end(); pic++)
+        {
+          if ((*pic)->getSlice(0)->getPOC() != m_apcSlicePilot->getPOC())
+          {
+            (*pic)->getSlice(0)->setReferenced(false);
+          }
+        }
+      }
+    }
+  }
+}
+
+Void TDecTop::xSetLayerInitializedFlag()
+{
+  if (m_apcSlicePilot->isIRAP() && m_apcSlicePilot->getNoRaslOutputFlag())
+  {
+    if (m_layerId == 0)
+    {
+      m_ppcTDecTop[m_layerId]->setLayerInitializedFlag(true);
+    }
+    else if (!m_ppcTDecTop[m_layerId]->getLayerInitializedFlag() && m_apcSlicePilot->getVPS()->getNumDirectRefLayers(m_layerId) == 0)
+    {
+      m_ppcTDecTop[m_layerId]->setLayerInitializedFlag(true);
+    }
+    else if (!m_ppcTDecTop[m_layerId]->getLayerInitializedFlag())
+    {
+      Bool refLayersInitialized = true;
+      for (UInt j = 0; j < m_apcSlicePilot->getVPS()->getNumDirectRefLayers(m_layerId); j++)
+      {
+        UInt refLayerId = m_apcSlicePilot->getVPS()->getRefLayerId(m_layerId, j);
+        if (!m_ppcTDecTop[refLayerId]->getLayerInitializedFlag())
+        {
+          refLayersInitialized = false;
+        }
+      }
+      if (refLayersInitialized)
+      {
+        m_ppcTDecTop[m_layerId]->setLayerInitializedFlag(true);
+      }
+    }
+  }
+}
+#endif
+
 #endif //SVC_EXTENSION
 

branches/SHM-dev/source/Lib/TLibDecoder/TDecTop.h

@@ -120 +120 @@
   Bool                    m_isLastNALWasEos;
 #endif
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+  Bool                    m_lastPicHasEos;
+#endif
 #if SVC_EXTENSION
   static UInt             m_prevPOC;        // POC of the previous slice
@@ -350 +353 @@
   Void setConfModeFlag(Bool x) { m_confModeFlag = x; }
 #endif
+#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
+  Void xCheckLayerReset();
+  Void xSetNoRaslOutputFlag();
+  Void xSetLayerInitializedFlag();
+#endif
 };// END CLASS DEFINITION TDecTop