/*! * \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    get_intra_predictor.c * * \brief   implementation for get intra predictor about 16x16, 4x4, chroma. * * \date    4/2/2009 Created *          9/14/2009 C level based optimization with high performance gained. *              [const, using ST32/ST64 to replace memset, memcpy and memmove etc.] * ************************************************************************************* */#include "ls_defines.h"#include "cpu_core.h"#include "intra_pred_common.h"  void WelsI16x16LumaPredV_c_ref (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {  uint8_t i = 15;  const int8_t* kpSrc = (int8_t*)&pRef[-kiStride];  const uint64_t kuiT1 = LD64 (kpSrc);  const uint64_t kuiT2 = LD64 (kpSrc + 8);  uint8_t* pDst = pPred;   do {    ST64 (pDst  , kuiT1);    ST64 (pDst + 8, kuiT2);    pDst += 16;  } while (i-- > 0);} void WelsI16x16LumaPredH_c_ref (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {  int32_t iStridex15 = (kiStride << 4) - kiStride;  int32_t iPredStride = 16;  int32_t iPredStridex15 = 240; //(iPredStride<<4)-iPredStride;  uint8_t i = 15;   do {    const uint8_t kuiSrc8 = pRef[iStridex15 - 1];    const uint64_t kuiV64 = (uint64_t) (0x0101010101010101ULL * kuiSrc8);    ST64 (&pPred[iPredStridex15], kuiV64);    ST64 (&pPred[iPredStridex15 + 8], kuiV64);     iStridex15 -= kiStride;    iPredStridex15 -= iPredStride;  } while (i-- > 0);}