Changeset 139 in SHVCSoftware for branches/SHM-2.0-dev/source

Timestamp:

2 May 2013, 17:43:09 (12 years ago)

Author:

seregin

Message:

INTRA_BL_CTX_CHANGE: Depth dependent IntraBL context (M0075), patch provided by Tomoyuki Yamamoto <yamamoto.tomoyuki@…>

Location:

branches/SHM-2.0-dev/source/Lib/TLibCommon

Files:

• TComDataCU.cpp (modified) (2 diffs)
• TypeDef.h (modified) (1 diff)

branches/SHM-2.0-dev/source/Lib/TLibCommon/TComDataCU.cpp

@@ -1802 +1802 @@
 UInt TComDataCU::getCtxIntraBLFlag( UInt uiAbsPartIdx )
 {
+#if INTRA_BL_CTX_CHANGE
+  Int cuDepth = getDepth(uiAbsPartIdx);
+  Int maxCuDepth = g_uiMaxCUDepth - g_uiAddCUDepth;
+  UInt uiCtx = (maxCuDepth==3 && cuDepth > 0) ? (cuDepth - 1) : cuDepth;
+  return uiCtx;
+#else
   TComDataCU* pcTempCU;
   UInt        uiTempPartIdx;
@@ -1824 +1830 @@
   
   return uiCtx;
+#endif
 }
 #endif

branches/SHM-2.0-dev/source/Lib/TLibCommon/TypeDef.h

@@ -101 +101 @@
 #define NO_RESIDUAL_FLAG_FOR_BLPRED      1      ///< L0437: Root cbf for Intra_BL
 #define IL_MRG_SIMPLIFIED_PRUNING        1      ///< M0124: simplified pruning, Only the left and above candidates are checked with BL-C candidate for redundancy removal 
+#define INTRA_BL_CTX_CHANGE              1      ///< M0075: spatial dependency removal for IntraBL flag context derivation
 
 // Hooks