Changeset 1605 in SHVCSoftware for branches/SHM-dev/source/Lib/TLibDecoder

Timestamp:

10 Jan 2018, 22:45:06 (7 years ago)

Author:

seregin

Message:

fix overflow related to scalability ratio calculation

File:

• branches/SHM-dev/source/Lib/TLibDecoder/TDecTop.cpp (modified) (1 diff)

branches/SHM-dev/source/Lib/TLibDecoder/TDecTop.cpp

@@ -1715 +1715 @@
                                      heightEL == heightBL ? MV_SCALING_FACTOR_1X : Clip3(-4096, 4095, ((heightEL << 8) + (heightBL >> 1)) / heightBL) );
 
-        m_pcPic->setPosScalingFactor( refLayerIdc, 
-                                     ((widthBL  << 16) + (widthEL  >> 1)) / widthEL, 
-                                     ((heightBL << 16) + (heightEL >> 1)) / heightEL );
+        m_pcPic->setPosScalingFactor( refLayerIdc, ( ( Int64( widthBL ) << 16 ) + ( widthEL >> 1 ) ) / widthEL, ( ( Int64( heightBL ) << 16 ) + ( heightEL >> 1 ) ) / heightEL );
 
         TComPicYuv* pBaseColRec = pcSlice->getBaseColPic(refLayerIdc)->getPicYuvRec();