ref: ac65f3adc8a51035100a65cdfe1ee6f5cfe59f0b
dir: /codec/common/src/copy_mb.cpp/
/*!
* \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;
}
}