Changeset 983 in 3DVCSoftware for branches/HTM-11.2-dev3-MediaTek/source/Lib/TLibDecoder/TDecSbac.cpp

Timestamp:

11 Jul 2014, 03:49:39 (10 years ago)

Author:

mediatek-htm

Message:

Integration of Single Depth Mode proposed in JCT3V-I0095.
The MACRO is "MTK_SINGLE_DEPTH_MODE_I0095".

By Yi-Wen Chen (yiwen.chen@…)

File:

• branches/HTM-11.2-dev3-MediaTek/source/Lib/TLibDecoder/TDecSbac.cpp (modified) (4 diffs)

branches/HTM-11.2-dev3-MediaTek/source/Lib/TLibDecoder/TDecSbac.cpp

@@ -52 +52 @@
 , m_cCUSplitFlagSCModel       ( 1,             1,               NUM_SPLIT_FLAG_CTX            , m_contextModels + m_numContextModels, m_numContextModels )
 , m_cCUSkipFlagSCModel        ( 1,             1,               NUM_SKIP_FLAG_CTX             , m_contextModels + m_numContextModels, m_numContextModels)
+#if MTK_SINGLE_DEPTH_MODE_I0095
+, m_cCUSingleDepthFlagSCModel        ( 1,             1,               NUM_SINGLEDEPTH_FLAG_CTX             , m_contextModels + m_numContextModels, m_numContextModels)
+, m_cSingleDepthValueSCModel         ( 1,             1,               NUM_SINGLE_DEPTH_VALUE_DATA_CTX      , m_contextModels + m_numContextModels, m_numContextModels)
+#endif
 , m_cCUMergeFlagExtSCModel    ( 1,             1,               NUM_MERGE_FLAG_EXT_CTX        , m_contextModels + m_numContextModels, m_numContextModels)
 , m_cCUMergeIdxExtSCModel     ( 1,             1,               NUM_MERGE_IDX_EXT_CTX         , m_contextModels + m_numContextModels, m_numContextModels)
@@ -132 +136 @@
   m_cCUSplitFlagSCModel.initBuffer       ( sliceType, qp, (UChar*)INIT_SPLIT_FLAG );
   m_cCUSkipFlagSCModel.initBuffer        ( sliceType, qp, (UChar*)INIT_SKIP_FLAG );
+#if MTK_SINGLE_DEPTH_MODE_I0095
+  m_cCUSingleDepthFlagSCModel.initBuffer        ( sliceType, qp, (UChar*)INIT_SINGLEDEPTH_FLAG );
+  m_cSingleDepthValueSCModel.initBuffer         ( sliceType, qp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA );
+#endif
   m_cCUMergeFlagExtSCModel.initBuffer    ( sliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT );
   m_cCUMergeIdxExtSCModel.initBuffer     ( sliceType, qp, (UChar*)INIT_MERGE_IDX_EXT );
@@ -199 +207 @@
   m_cCUSplitFlagSCModel.initBuffer       ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
   m_cCUSkipFlagSCModel.initBuffer        ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
+#if MTK_SINGLE_DEPTH_MODE_I0095
+  m_cCUSingleDepthFlagSCModel.initBuffer        ( eSliceType, iQp, (UChar*)INIT_SINGLEDEPTH_FLAG );
+  m_cSingleDepthValueSCModel.initBuffer         ( eSliceType, iQp, (UChar*)INIT_SINGLE_DEPTH_VALUE_DATA );
+#endif
   m_cCUMergeFlagExtSCModel.initBuffer    ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT );
   m_cCUMergeIdxExtSCModel.initBuffer     ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT );
@@ -636 +648 @@
 #endif
 }
-
+#if MTK_SINGLE_DEPTH_MODE_I0095
+Void TDecSbac::parseSingleDepthMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
+{
+  pcCU->setSingleDepthFlagSubParts( false,        uiAbsPartIdx, uiDepth );
+  UInt uiSymbol = 0;
+  m_pcTDecBinIf->decodeBin( uiSymbol, m_cCUSingleDepthFlagSCModel.get( 0, 0, 0 ) );
+  if( uiSymbol )
+  {
+    pcCU->setSingleDepthFlagSubParts( true,        uiAbsPartIdx, uiDepth );
+    pcCU->setSkipFlagSubParts( false,        uiAbsPartIdx, uiDepth );
+    pcCU->setSDCFlagSubParts( false,        uiAbsPartIdx, uiDepth );
+    pcCU->setPredModeSubParts( MODE_INTRA,  uiAbsPartIdx, uiDepth );
+    pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth );
+    pcCU->setLumaIntraDirSubParts (DC_IDX, uiAbsPartIdx, uiDepth );
+    pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth );
+    pcCU->setMergeFlagSubParts( false , uiAbsPartIdx, 0, uiDepth );
+    pcCU->setTrIdxSubParts(0, uiAbsPartIdx, uiDepth);
+    pcCU->setCbfSubParts(0, 1, 1, uiAbsPartIdx, uiDepth);
+
+    UInt absValDeltaDC = 0;
+
+    UInt uiUnaryIdx = 0;
+    UInt uiNumCand = MTK_SINGLE_DEPTH_MODE_CANDIDATE_LIST_SIZE;
+    if ( uiNumCand > 1 )
+    {
+      for( ; uiUnaryIdx < uiNumCand - 1; ++uiUnaryIdx )
+      {
+        UInt uiSymbol2 = 0;
+        if ( uiUnaryIdx==0 )
+        {
+          m_pcTDecBinIf->decodeBin( uiSymbol2, m_cSingleDepthValueSCModel.get( 0, 0, 0 ) );
+        }
+        else
+        {
+          m_pcTDecBinIf->decodeBinEP( uiSymbol2);
+        }
+        if( uiSymbol2 == 0 )
+        {
+          break;
+        }
+      }
+    }
+    absValDeltaDC = uiUnaryIdx;
+    pcCU->setSingleDepthValueSubParts((Pel)absValDeltaDC,uiAbsPartIdx, 0, uiDepth);
+  }
+}
+
+#endif
 /** parse merge flag
  * \param pcCU