The codes in “TEncSearch.cpp”from line 8472 to 8492 are redundant and should be removed.
Although the encoding result is identical, the encoding time is increased.

case 1:
{

Quater-pel interpolation : vertical
piSrcYPel = piSrcPel - m_iDIFHalfTap;
piDstY = piSrc-m_iDIFTap2 - iSrcStride;
xCTI_FilterQuarter0Ver(piSrcYPel, iSrcPelStride, 1, iWidth + m_iDIFTap, iHeight, iSrcStride4, 4, piDstY);

piSrcYPel = piSrcPel - m_iDIFHalfTap;
piDstY = piSrc-m_iDIFTap2 + iSrcStride;
xCTI_FilterQuarter1Ver(piSrcYPel, iSrcPelStride, 1, iWidth + m_iDIFTap, iHeight, iSrcStride4, 4, piDstY);

Left three pixels
piSrcY = piSrc-4 - iSrcStride;
piDstYPel = piDst-1 - iDstStride;
xCTI_FilterQuarter1Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcY = piSrc-4;
piDstYPel = piDst-1;
xCTI_FilterQuarter1Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcY = piSrc-4 + iSrcStride;
piDstYPel = piDst-1 + iDstStride;
xCTI_FilterQuarter1Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

Middle two pixels
piSrcY = piSrc - iSrcStride;
piDstYPel = piDst - iDstStride;
Int iSrcStride2 = (iSrcStride<<1);
Int iDstStride2 = (iDstStride<<1);

for (y=0; y < iHeight*2; y++)
{

for (x=0; x < iWidth; x++)
{

piDstYPel[x*4] = Clip( (piSrcY[x*4] + 128) >> 8 );

}
piSrcY+=iSrcStride2;
piDstYPel+=iDstStride2;

}

Right three pixels
piSrcY = piSrc - iSrcStride;
piDstYPel = piDst+1 - iDstStride;
xCTI_FilterQuarter0Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcY = piSrc;
piDstYPel = piDst+1;
xCTI_FilterQuarter0Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcY = piSrc + iSrcStride;
piDstYPel = piDst+1 + iDstStride;
xCTI_FilterQuarter0Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

/* These codes are redundant

Right three pixels
piSrcY = piSrc - iSrcStride;
piDstYPel = piDst+1 - iDstStride;
xCTI_FilterQuarter0Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcY = piSrc;
piDstYPel = piDst+1;
xCTI_FilterQuarter0Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcY = piSrc + iSrcStride;
piDstYPel = piDst+1 + iDstStride;
xCTI_FilterQuarter0Hor(piSrcY, iSrcStride4, 4, iWidth, iHeight, iDstStride4, 4, piDstYPel);

Middle two pixels
piSrcYPel = piSrcPel;
piDstYPel = piDst - iDstStride;
xCTI_FilterQuarter0Ver(piSrcYPel, iSrcPelStride, 1, iWidth, iHeight, iDstStride4, 4, piDstYPel);

piSrcYPel = piSrcPel;
piDstYPel = piDst + iDstStride;
xCTI_FilterQuarter1Ver(piSrcYPel, iSrcPelStride, 1, iWidth, iHeight, iDstStride4, 4, piDstYPel);

*/

break;

}