In function TEncSearch::xCheckBestMVP, when checking the cost of each available MV predictor, the cost of signalling the index (specified in the array m_auiMVPIdxCost) is not taken into account.

The results with the fix applied, based on 24 pictures and obtained with HM-3.0-dev are as follows:

         Random access              Random access LoCo
         Y        U        V        Y        U        V
Class A  0.0      -0.2     -0.2     0.0      -0.1     -0.1
Class B  0.0      0.0      -0.2     -0.1     -0.1     -0.1
Class C  0.0      -0.1     0.2      0.0      0.0      -0.1
Class D  -0.1     -0.2     -0.2     -0.1     0.1      -0.2
Class E
All      0.0      -0.1     -0.1     0.0      0.0      -0.1

         Low delay                  Low delay LoCo
         Y        U        V        Y        U        V
Class A
Class B  -0.1     -0.2     0.0      0.0      0.1      0.1
Class C  0.0      0.3      0.2      0.0      0.2      0.2
Class D  0.0      -0.1     0.4      -0.1     -0.3     -0.1
Class E  -0.1     -0.2     -0.3     0.0      0.2      0.1
All      0.0      0.0      0.1      0.0      0.0      0.0

         Low delay (P)              Low delay LC (P)
         Y        U        V        Y        U        V
Class A
Class B  0.0      0.3      0.3      0.0      -0.1     -0.1
Class C  0.0      -0.1     -0.1     0.0      -0.1     -0.1
Class D  -0.2     0.1      0.1      0.0      0.1      0.1
Class E  -0.1     -0.4     -0.4     0.0      0.4      0.4
All      -0.1     -0.1     -0.1     0.0      0.0      0.0