int width = refPic->m_picWidth >> cache.hshift;
int height = refPic->m_picHeight >> cache.vshift;
extendPicBorder(refPic->m_picOrg[1], refPic->m_strideC, width, height, refPic->m_chromaMarginX, refPic->m_chromaMarginY);
int width = refPic->m_picWidth >> cache.hshift;
int height = refPic->m_picHeight >> cache.vshift;
extendPicBorder(refPic->m_picOrg[1], refPic->m_strideC, width, height, refPic->m_chromaMarginX, refPic->m_chromaMarginY);