/*! * \copy *     Copyright (c)  2009-2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * * * \file    copy_mb.cpp * * \brief   copy MB YUV data * * \date    2014.04.14 Created * ************************************************************************************* */ #include "copy_mb.h"#include "macros.h"#include "ls_defines.h" /**************************************************************************** * Copy functions ****************************************************************************/void WelsCopy4x4_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  const int32_t kiSrcStride2 = iStrideS << 1;  const int32_t kiSrcStride3 = iStrideS + kiSrcStride2;  const int32_t kiDstStride2 = iStrideD << 1;  const int32_t kiDstStride3 = iStrideD + kiDstStride2;   ST32 (pDst,                LD32 (pSrc));  ST32 (pDst + iStrideD,     LD32 (pSrc + iStrideS));  ST32 (pDst + kiDstStride2, LD32 (pSrc + kiSrcStride2));  ST32 (pDst + kiDstStride3, LD32 (pSrc + kiSrcStride3));}void WelsCopy8x4_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  WelsCopy4x4_c (pDst, iStrideD, pSrc, iStrideS);  WelsCopy4x4_c (pDst + 4, iStrideD, pSrc + 4, iStrideS);}void WelsCopy4x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  WelsCopy4x4_c (pDst, iStrideD, pSrc, iStrideS);  WelsCopy4x4_c (pDst + (iStrideD << 2), iStrideD, pSrc + (iStrideS << 2), iStrideS);}void WelsCopy8x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  int32_t i;  for (i = 0; i < 4; i++) {    ST32 (pDst,                 LD32 (pSrc));    ST32 (pDst + 4 ,            LD32 (pSrc + 4));    ST32 (pDst + iStrideD,      LD32 (pSrc + iStrideS));    ST32 (pDst + iStrideD + 4 , LD32 (pSrc + iStrideS + 4));    pDst += iStrideD << 1;    pSrc += iStrideS << 1;  }}void WelsCopy8x16_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  int32_t i;  for (i = 0; i < 8; ++i) {    ST32 (pDst,                 LD32 (pSrc));    ST32 (pDst + 4 ,            LD32 (pSrc + 4));    ST32 (pDst + iStrideD,      LD32 (pSrc + iStrideS));    ST32 (pDst + iStrideD + 4 , LD32 (pSrc + iStrideS + 4));    pDst += iStrideD << 1;    pSrc += iStrideS << 1;  }}void WelsCopy16x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  int32_t i;  for (i = 0; i < 8; i++) {    ST32 (pDst,         LD32 (pSrc));    ST32 (pDst + 4 ,    LD32 (pSrc + 4));    ST32 (pDst + 8 ,    LD32 (pSrc + 8));    ST32 (pDst + 12 ,   LD32 (pSrc + 12));    pDst += iStrideD ;    pSrc += iStrideS;  }}void WelsCopy16x16_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS) {  int32_t i;  for (i = 0; i < 16; i++) {    ST32 (pDst,         LD32 (pSrc));    ST32 (pDst + 4 ,    LD32 (pSrc + 4));    ST32 (pDst + 8 ,    LD32 (pSrc + 8));    ST32 (pDst + 12 ,   LD32 (pSrc + 12));    pDst += iStrideD ;    pSrc += iStrideS;  }}