mirror of https://github.com/NekoX-Dev/NekoX.git
166 lines
8.1 KiB
C++
166 lines
8.1 KiB
C++
/*!
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* \copy
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* Copyright (c) 2009-2013, 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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* \file sample.c
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*
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* \brief compute SAD and SATD
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*
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* \date 2009.06.02 Created
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*
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*************************************************************************************
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*/
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#include "sad_common.h"
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#include "macros.h"
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int32_t WelsSampleSad4x4_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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int32_t i = 0;
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uint8_t* pSrc1 = pSample1;
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uint8_t* pSrc2 = pSample2;
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for (i = 0; i < 4; i++) {
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iSadSum += WELS_ABS ((pSrc1[0] - pSrc2[0]));
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iSadSum += WELS_ABS ((pSrc1[1] - pSrc2[1]));
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iSadSum += WELS_ABS ((pSrc1[2] - pSrc2[2]));
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iSadSum += WELS_ABS ((pSrc1[3] - pSrc2[3]));
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pSrc1 += iStride1;
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pSrc2 += iStride2;
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}
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return iSadSum;
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}
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int32_t WelsSampleSad8x4_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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iSadSum += WelsSampleSad4x4_c (pSample1, iStride1, pSample2, iStride2);
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iSadSum += WelsSampleSad4x4_c (pSample1 + 4, iStride1, pSample2 + 4, iStride2);
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return iSadSum;
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}
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int32_t WelsSampleSad4x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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iSadSum += WelsSampleSad4x4_c (pSample1, iStride1, pSample2, iStride2);
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iSadSum += WelsSampleSad4x4_c (pSample1 + (iStride1 << 2), iStride1, pSample2 + (iStride2 << 2), iStride2);
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return iSadSum;
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}
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int32_t WelsSampleSad8x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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int32_t i = 0;
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uint8_t* pSrc1 = pSample1;
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uint8_t* pSrc2 = pSample2;
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for (i = 0; i < 8; i++) {
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iSadSum += WELS_ABS ((pSrc1[0] - pSrc2[0]));
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iSadSum += WELS_ABS ((pSrc1[1] - pSrc2[1]));
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iSadSum += WELS_ABS ((pSrc1[2] - pSrc2[2]));
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iSadSum += WELS_ABS ((pSrc1[3] - pSrc2[3]));
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iSadSum += WELS_ABS ((pSrc1[4] - pSrc2[4]));
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iSadSum += WELS_ABS ((pSrc1[5] - pSrc2[5]));
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iSadSum += WELS_ABS ((pSrc1[6] - pSrc2[6]));
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iSadSum += WELS_ABS ((pSrc1[7] - pSrc2[7]));
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pSrc1 += iStride1;
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pSrc2 += iStride2;
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}
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return iSadSum;
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}
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int32_t WelsSampleSad16x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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iSadSum += WelsSampleSad8x8_c (pSample1, iStride1, pSample2, iStride2);
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iSadSum += WelsSampleSad8x8_c (pSample1 + 8, iStride1, pSample2 + 8, iStride2);
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return iSadSum;
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}
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int32_t WelsSampleSad8x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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iSadSum += WelsSampleSad8x8_c (pSample1, iStride1, pSample2, iStride2);
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iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3), iStride1, pSample2 + (iStride2 << 3), iStride2);
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return iSadSum;
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}
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int32_t WelsSampleSad16x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) {
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int32_t iSadSum = 0;
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iSadSum += WelsSampleSad8x8_c (pSample1, iStride1, pSample2, iStride2);
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iSadSum += WelsSampleSad8x8_c (pSample1 + 8, iStride1, pSample2 + 8, iStride2);
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iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3), iStride1, pSample2 + (iStride2 << 3), iStride2);
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iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3) + 8, iStride1, pSample2 + (iStride2 << 3) + 8, iStride2);
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return iSadSum;
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}
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void WelsSampleSadFour16x16_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2,
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int32_t* pSad) {
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* (pSad) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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void WelsSampleSadFour16x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {
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* (pSad) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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void WelsSampleSadFour8x16_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {
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* (pSad) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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void WelsSampleSadFour8x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {
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* (pSad) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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void WelsSampleSadFour4x4_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {
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* (pSad) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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void WelsSampleSadFour8x4_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {
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* (pSad) = WelsSampleSad8x4_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad8x4_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad8x4_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad8x4_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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void WelsSampleSadFour4x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) {
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* (pSad) = WelsSampleSad4x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2);
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* (pSad + 1) = WelsSampleSad4x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2);
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* (pSad + 2) = WelsSampleSad4x8_c (iSample1, iStride1, (iSample2 - 1), iStride2);
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* (pSad + 3) = WelsSampleSad4x8_c (iSample1, iStride1, (iSample2 + 1), iStride2);
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}
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