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Debug for Chroma InvHadamard Dequant error

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

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

@@ -130,10 +130,10 @@

   const int16_t kiSumD = pDct[1] + pDct[3];

   const int16_t kiDelD =   pDct[1] -  pDct[3];

-  pDct[0] = (kiSumU + kiSumD) * kuiMF;

-  pDct[1] = (kiSumU  -  kiSumD) * kuiMF;

-  pDct[2] = (kiDelU   + kiDelD)   * kuiMF;

-  pDct[3] = (kiDelU   - kiDelD)   * kuiMF;

+  pDct[0] = ((kiSumU + kiSumD) * kuiMF) >> 1;

+  pDct[1] = ((kiSumU - kiSumD) * kuiMF) >> 1;

+  pDct[2] = ((kiDelU + kiDelD) * kuiMF) >> 1;

+  pDct[3] = ((kiDelU - kiDelD) * kuiMF) >> 1;

 }

 void WelsDequant4x4_c (int16_t* pRes, const uint16_t* kpMF) {

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

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

@@ -304,7 +304,7 @@

   }

   if (uiNoneZeroCountMbDc > 0) {

-    WelsDequantIHadamard2x2Dc (aDct2x2, g_kuiDequantCoeff[kiQp][0] >> 1);

+    WelsDequantIHadamard2x2Dc (aDct2x2, g_kuiDequantCoeff[kiQp][0]);

     if (2 != (pCurMb->uiCbp >> 4))

       pCurMb->uiCbp |= (0x01 << 4) ;

     pRes[0]	= aDct2x2[0];