Changeset 438 in 3DVCSoftware for branches/HTM-DEV-0.2-dev/source/Lib/TLibEncoder/WeightPredAnalysis.cpp

Timestamp:

23 May 2013, 15:40:36 (12 years ago)

Author:

tech

Message:

Integrated 3D encoder control, camera parameters, renderer and MV fixes.

File:

• branches/HTM-DEV-0.2-dev/source/Lib/TLibEncoder/WeightPredAnalysis.cpp (modified) (1 diff)

branches/HTM-DEV-0.2-dev/source/Lib/TLibEncoder/WeightPredAnalysis.cpp

@@ -235 +235 @@
         Int offset = (Int)( ((currDC<<log2Denom) - ((Int64)weight * refDC) + (Int64)realOffset) >> realLog2Denom );
 
-        // Chroma offset range limitation
+        // Chroma offset range limination
         if(comp)
         {
-          Int pred = ( 128 - ( ( 128*weight)>>(log2Denom) ) );
+          Int shift = 1 << (g_bitDepthC - 1);
+          Int pred = ( shift - ( ( shift*weight)>>(log2Denom) ) );
           Int deltaOffset = Clip3( -512, 511, (offset - pred) );    // signed 10bit
           offset = Clip3( -128, 127, (deltaOffset + pred) );        // signed 8bit
-        }
-        // Luma offset range limitation
-        else
-        {
-          offset = Clip3( -128, 127, offset);
         }