ref: a893e2231152216d5a6cd262a153f17d2ee1eb50
dir: /codec/processing/src/common/common.cpp/
/*!
* \copy
* Copyright (c) 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.
*
*/
#include "common.h"
#include "ls_defines.h"
WELSVP_NAMESPACE_BEGIN
void WelsI16x16LumaPredV_c (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 (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);
}
WELSVP_NAMESPACE_END