63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
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/*!
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* \copy
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* Copyright (c) 2013, Cisco Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "SceneChangeDetectionCommon.h"
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#include "../common/cpu.h"
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WELSVP_NAMESPACE_BEGIN
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int32_t WelsSampleSad8x8_c( uint8_t * pSrcY, int32_t iSrcStrideY, uint8_t * pRefY, int32_t iRefStrideY )
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{
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int32_t iSadSum = 0;
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uint8_t* pSrcA = pSrcY;
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uint8_t* pSrcB = pRefY;
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for (int32_t i = 0; i < 8; i++ )
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{
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iSadSum += WELS_ABS( ( pSrcA[0] - pSrcB[0] ) );
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iSadSum += WELS_ABS( ( pSrcA[1] - pSrcB[1] ) );
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iSadSum += WELS_ABS( ( pSrcA[2] - pSrcB[2] ) );
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iSadSum += WELS_ABS( ( pSrcA[3] - pSrcB[3] ) );
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iSadSum += WELS_ABS( ( pSrcA[4] - pSrcB[4] ) );
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iSadSum += WELS_ABS( ( pSrcA[5] - pSrcB[5] ) );
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iSadSum += WELS_ABS( ( pSrcA[6] - pSrcB[6] ) );
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iSadSum += WELS_ABS( ( pSrcA[7] - pSrcB[7] ) );
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pSrcA += iSrcStrideY;
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pSrcB += iRefStrideY;
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}
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return iSadSum;
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}
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WELSVP_NAMESPACE_END
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