/*! * \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 "SceneChangeDetectionCommon.h"WELSVP_NAMESPACE_BEGINint32_t WelsSampleSad8x8_c (uint8_t* pSrcY, int32_t iSrcStrideY, uint8_t* pRefY, int32_t iRefStrideY) { int32_t iSadSum = 0; uint8_t* pSrcA = pSrcY; uint8_t* pSrcB = pRefY; for (int32_t i = 0; i < 8; i++) { iSadSum += WELS_ABS ((pSrcA[0] - pSrcB[0])); iSadSum += WELS_ABS ((pSrcA[1] - pSrcB[1])); iSadSum += WELS_ABS ((pSrcA[2] - pSrcB[2])); iSadSum += WELS_ABS ((pSrcA[3] - pSrcB[3])); iSadSum += WELS_ABS ((pSrcA[4] - pSrcB[4])); iSadSum += WELS_ABS ((pSrcA[5] - pSrcB[5])); iSadSum += WELS_ABS ((pSrcA[6] - pSrcB[6])); iSadSum += WELS_ABS ((pSrcA[7] - pSrcB[7])); pSrcA += iSrcStrideY; pSrcB += iRefStrideY; } return iSadSum;}WELSVP_NAMESPACE_END
/*!
* \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 "SceneChangeDetectionCommon.h"
WELSVP_NAMESPACE_BEGIN
int32_t WelsSampleSad8x8_c (uint8_t* pSrcY, int32_t iSrcStrideY, uint8_t* pRefY, int32_t iRefStrideY) {
int32_t iSadSum = 0;
uint8_t* pSrcA = pSrcY;
uint8_t* pSrcB = pRefY;
for (int32_t i = 0; i < 8; i++) {
iSadSum += WELS_ABS ((pSrcA[0] - pSrcB[0]));
iSadSum += WELS_ABS ((pSrcA[1] - pSrcB[1]));
iSadSum += WELS_ABS ((pSrcA[2] - pSrcB[2]));
iSadSum += WELS_ABS ((pSrcA[3] - pSrcB[3]));
iSadSum += WELS_ABS ((pSrcA[4] - pSrcB[4]));
iSadSum += WELS_ABS ((pSrcA[5] - pSrcB[5]));
iSadSum += WELS_ABS ((pSrcA[6] - pSrcB[6]));
iSadSum += WELS_ABS ((pSrcA[7] - pSrcB[7]));
pSrcA += iSrcStrideY;
pSrcB += iRefStrideY;
}
return iSadSum;
}
WELSVP_NAMESPACE_END