/*!

 * \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;

  }

}