Fixes for (a) memory leaks and (b)conditional jump based on uninitialized...

Fixes for (a) memory leaks and (b)conditional jump based on uninitialized variable, reported by valgrind when decoding a bitstream

source/Lib/CommonLib/AdaptiveLoopFilter.cpp

@@ -217,19 +217,25 @@ void AdaptiveLoopFilter::create( const int picWidth, const int picHeight, const
   // Laplacian based activity
   for( int i = 0; i < NUM_DIRECTIONS; i++ )
   {
-    m_laplacian[i] = new int*[m_CLASSIFICATION_BLK_SIZE + 5];
-
-    for( int y = 0; y < m_CLASSIFICATION_BLK_SIZE + 5; y++ )
+    if ( m_laplacian[i] == nullptr )
     {
-      m_laplacian[i][y] = new int[m_CLASSIFICATION_BLK_SIZE + 5];
+      m_laplacian[i] = new int*[m_CLASSIFICATION_BLK_SIZE + 5];
+
+      for( int y = 0; y < m_CLASSIFICATION_BLK_SIZE + 5; y++ )
+      {
+        m_laplacian[i][y] = new int[m_CLASSIFICATION_BLK_SIZE + 5];
+      }
     }
   }
 
   // Classification
-  m_classifier = new AlfClassifier*[picHeight];
-  for( int i = 0; i < picHeight; i++ )
+  if ( m_classifier == nullptr )
   {
-    m_classifier[i] = new AlfClassifier[picWidth];
+    m_classifier = new AlfClassifier*[picHeight];
+    for( int i = 0; i < picHeight; i++ )
+    {
+      m_classifier[i] = new AlfClassifier[picWidth];
+    }
   }
 }
 

source/Lib/DecoderLib/CABACReader.cpp

@@ -195,7 +195,7 @@ bool CABACReader::coding_tree_unit( CodingStructure& cs, const UnitArea& area, i
         ctx += leftCTUAddr > -1 ? ( ctbAlfFlag[leftCTUAddr] ? 1 : 0 ) : 0;
         ctx += aboveCTUAddr > -1 ? ( ctbAlfFlag[aboveCTUAddr] ? 1 : 0 ) : 0;
 
-        if( alfSliceParam.chromaCtbPresentFlag && compIdx )
+        if( compIdx && alfSliceParam.chromaCtbPresentFlag )
         {
           ctbAlfFlag[ctuRsAddr] = 1;
         }