Changeset 730 in 3DVCSoftware for branches/HTM-9.0-dev0/source/Lib/TLibDecoder/TDecTop.cpp

Timestamp:

9 Dec 2013, 17:16:03 (10 years ago)

Author:

tech

Message:

MV HEVC 6 HLS changes.

File:

• branches/HTM-9.0-dev0/source/Lib/TLibDecoder/TDecTop.cpp (modified) (13 diffs)

branches/HTM-9.0-dev0/source/Lib/TLibDecoder/TDecTop.cpp

@@ -635 +635 @@
 #if H_MV
   m_apcSlicePilot->setVPS(vps);  
+#if H_MV_6_PS_0092_17
+  // The nuh_layer_id value of the NAL unit containing the PPS that is activated for a layer layerA with nuh_layer_id equal to nuhLayerIdA shall be equal to 0, or nuhLayerIdA, or the nuh_layer_id of a direct or indirect reference layer of layerA.
+  assert( pps->getLayerId() == m_layerId || pps->getLayerId( ) == 0 || vps->getInDirectDependencyFlag( m_layerId, pps->getLayerId() ) );   
+  // The nuh_layer_id value of the NAL unit containing the SPS that is activated for a layer layerA with nuh_layer_id equal to nuhLayerIdA shall be equal to 0, or nuhLayerIdA, or the nuh_layer_id of a direct or indirect reference layer of layerA.
+  assert( sps->getLayerId() == m_layerId || sps->getLayerId( ) == 0 || vps->getInDirectDependencyFlag( m_layerId, sps->getLayerId() ) );
+#endif
   sps->inferRepFormat  ( vps , m_layerId ); 
   sps->inferScalingList( m_parameterSetManagerDecoder.getActiveSPS( sps->getSpsScalingListRefLayerId() ) ); 
@@ -665 +671 @@
 
 #if H_MV
+#if H_MV_FIX_SKIP_PICTURES
+Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, Bool newLayerFlag, Bool& sliceSkippedFlag  )
+#else
 Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, Bool newLayerFlag )
+#endif
 {
   assert( nalu.m_layerId == m_layerId ); 
-
 #else
 Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay )
@@ -722 +731 @@
 #endif
 #endif
+
+#if H_MV_LAYER_WISE_STARTUP
+    xCeckNoClrasOutput();
+#endif
     // Skip pictures due to random access
     if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay))
     {
-    m_prevSliceSkipped = true;
-    m_skippedPOC = m_apcSlicePilot->getPOC();
+      m_prevSliceSkipped = true;
+      m_skippedPOC = m_apcSlicePilot->getPOC();
+#if H_MV_FIX_SKIP_PICTURES
+      sliceSkippedFlag = true; 
+#endif
       return false;
     }
@@ -732 +748 @@
     if (isSkipPictureForBLA(iPOCLastDisplay))
     {
-    m_prevSliceSkipped = true;
-    m_skippedPOC = m_apcSlicePilot->getPOC();
+      m_prevSliceSkipped = true;
+      m_skippedPOC = m_apcSlicePilot->getPOC();
+#if H_MV_FIX_SKIP_PICTURES
+      sliceSkippedFlag = true; 
+#endif
       return false;
     }
@@ -788 +807 @@
     xCreateLostPicture(lostPoc-1);
   }
+  
   if (m_bFirstSliceInPicture)
   {
@@ -1171 +1191 @@
 
 #if H_MV
+#if H_MV_FIX_SKIP_PICTURES
+Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, Bool newLayerFlag, Bool& sliceSkippedFlag )
+#else
 Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, Bool newLayerFlag)
+#endif
 #else
 Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay)
@@ -1216 +1240 @@
     case NAL_UNIT_CODED_SLICE_RASL_R:
 #if H_MV
+#if H_MV_FIX_SKIP_PICTURES
+      return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, newLayerFlag, sliceSkippedFlag );
+#else
       return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, newLayerFlag);
+#endif
 #else
       return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay);
@@ -1242 +1270 @@
     return true;
   }
+
   return false;
 }
@@ -1265 +1294 @@
     return true;
   }
+#if H_MV_LAYER_WISE_STARTUP
+  else if ( !m_layerInitilizedFlag[ m_layerId ] ) // start of random access point, m_pocRandomAccess has not been set yet.
+#else
   else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet.
+#endif
   {
     if (   m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA
@@ -1272 +1305 @@
         || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL )
     {
+
+#if H_MV_LAYER_WISE_STARTUP
+      if ( xAllRefLayersInitilized() )
+      {
+        m_layerInitilizedFlag[ m_layerId ] = true; 
+        m_pocRandomAccess = m_apcSlicePilot->getPOC();
+      }
+      else
+      {
+        return true; 
+      }
+#else
       // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT.
       m_pocRandomAccess = m_apcSlicePilot->getPOC();
+#endif
     }
     else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP )
     {
+#if H_MV_LAYER_WISE_STARTUP
+      if ( xAllRefLayersInitilized() )
+      {
+        m_layerInitilizedFlag[ m_layerId ] = true; 
+        m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable.
+      }
+      else
+      {
+        return true; 
+      }
+#else
       m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable.
+#endif
     }
     else 
     {
+#if H_MV_FIX_SKIP_PICTURES
+      static Bool warningMessage[MAX_NUM_LAYERS];
+      static Bool warningInitFlag = false;
+      
+      if (!warningInitFlag)
+      {
+        for ( Int i = 0; i < MAX_NUM_LAYERS; i++)
+        {
+          warningMessage[i] = true; 
+        }
+        warningInitFlag = true; 
+      }
+
+      if ( warningMessage[getLayerId()] )
+      {
+        printf("\nLayer%3d   No valid random access point. VCL NAL units of this layer are discarded until next layer initialization picture. ", getLayerId() ); 
+        warningMessage[m_layerId] = false; 
+      }
+#else
       static Bool warningMessage = false;
       if(!warningMessage)
@@ -1287 +1364 @@
         warningMessage = true;
       }
+#endif
       return true;
     }
@@ -1296 +1374 @@
     return true;
   }
+#if H_MV_LAYER_WISE_STARTUP
+  return !m_layerInitilizedFlag[ getLayerId() ]; 
+#else
   // if we reach here, then the picture is not skipped.
   return false; 
+#endif
 }
 
@@ -1338 +1420 @@
   }
 }
+
+#if H_MV_LAYER_WISE_STARTUP
+Void TDecTop::xCeckNoClrasOutput()
+{
+  // This part needs further testing! 
+  if ( getLayerId() == 0 )
+  {    
+    NalUnitType nut = m_apcSlicePilot->getNalUnitType(); 
+
+    Bool isBLA =  ( nut == NAL_UNIT_CODED_SLICE_BLA_W_LP  )  || ( nut == NAL_UNIT_CODED_SLICE_BLA_N_LP ) || ( nut == NAL_UNIT_CODED_SLICE_BLA_W_RADL ); 
+    Bool isIDR  = ( nut == NAL_UNIT_CODED_SLICE_IDR_W_RADL ) || ( nut == NAL_UNIT_CODED_SLICE_IDR_N_LP ); 
+    Bool noClrasOutputFlag  = isBLA || ( isIDR  &&  m_apcSlicePilot->getCrossLayerBlaFlag() ); 
+
+    if ( noClrasOutputFlag ) 
+    {
+      for (Int i = 0; i < MAX_NUM_LAYER_IDS; i++)
+      {
+        m_layerInitilizedFlag[i] = false; 
+      } 
+    }
+  }
+}
+
+Bool TDecTop::xAllRefLayersInitilized()
+{
+  Bool allRefLayersInitilizedFlag = true; 
+  TComVPS* vps = m_parameterSetManagerDecoder.getPrefetchedVPS( 0 ); 
+  for (Int i = 0; i < vps->getNumDirectRefLayers( getLayerId()  ); i++ )
+  {
+    Int refLayerId = vps->getRefLayerId( m_layerId, i ); 
+    allRefLayersInitilizedFlag = allRefLayersInitilizedFlag && m_layerInitilizedFlag[ refLayerId ]; 
+  }
+
+  return allRefLayersInitilizedFlag;
+}
+#endif
 #endif
 //! \}