shithub: openh264

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fix overflow issue

--- a/codec/encoder/core/src/ratectl.cpp

+++ b/codec/encoder/core/src/ratectl.cpp

@@ -523,7 +523,7 @@

     pSOverRc->iEndMbSlice      += (pSliceInLayer[i].iCountMbNumInSlice - 1);

     pSOverRc->iTotalQpSlice     = 0;

     pSOverRc->iTotalMbSlice     = 0;

-    pSOverRc->iTargetBitsSlice  = WELS_DIV_ROUND (kiBitsPerMb * pSliceInLayer[i].iCountMbNumInSlice, INT_MULTIPLY);

+    pSOverRc->iTargetBitsSlice  = WELS_DIV_ROUND (static_cast<int64_t> (kiBitsPerMb) * pSliceInLayer[i].iCountMbNumInSlice, INT_MULTIPLY);

     pSOverRc->iFrameBitsSlice   = 0;

     pSOverRc->iGomBitsSlice     = 0;

   }