ref: 58e868c0741b8e2c7c3c8ea65ff47148527d9dc6
dir: /codec/common/src/sad_common.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 sample.c * * \brief compute SAD and SATD * * \date 2009.06.02 Created * ************************************************************************************* */ #include "sad_common.h" #include "macros.h" int32_t WelsSampleSad4x4_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) { int32_t iSadSum = 0; int32_t i = 0; uint8_t* pSrc1 = pSample1; uint8_t* pSrc2 = pSample2; for (i = 0; i < 4; i++) { iSadSum += WELS_ABS ((pSrc1[0] - pSrc2[0])); iSadSum += WELS_ABS ((pSrc1[1] - pSrc2[1])); iSadSum += WELS_ABS ((pSrc1[2] - pSrc2[2])); iSadSum += WELS_ABS ((pSrc1[3] - pSrc2[3])); pSrc1 += iStride1; pSrc2 += iStride2; } return iSadSum; } int32_t WelsSampleSad8x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) { int32_t iSadSum = 0; int32_t i = 0; uint8_t* pSrc1 = pSample1; uint8_t* pSrc2 = pSample2; for (i = 0; i < 8; i++) { iSadSum += WELS_ABS ((pSrc1[0] - pSrc2[0])); iSadSum += WELS_ABS ((pSrc1[1] - pSrc2[1])); iSadSum += WELS_ABS ((pSrc1[2] - pSrc2[2])); iSadSum += WELS_ABS ((pSrc1[3] - pSrc2[3])); iSadSum += WELS_ABS ((pSrc1[4] - pSrc2[4])); iSadSum += WELS_ABS ((pSrc1[5] - pSrc2[5])); iSadSum += WELS_ABS ((pSrc1[6] - pSrc2[6])); iSadSum += WELS_ABS ((pSrc1[7] - pSrc2[7])); pSrc1 += iStride1; pSrc2 += iStride2; } return iSadSum; } int32_t WelsSampleSad16x8_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) { int32_t iSadSum = 0; iSadSum += WelsSampleSad8x8_c (pSample1, iStride1, pSample2, iStride2); iSadSum += WelsSampleSad8x8_c (pSample1 + 8, iStride1, pSample2 + 8, iStride2); return iSadSum; } int32_t WelsSampleSad8x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) { int32_t iSadSum = 0; iSadSum += WelsSampleSad8x8_c (pSample1, iStride1, pSample2, iStride2); iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3), iStride1, pSample2 + (iStride2 << 3), iStride2); return iSadSum; } int32_t WelsSampleSad16x16_c (uint8_t* pSample1, int32_t iStride1, uint8_t* pSample2, int32_t iStride2) { int32_t iSadSum = 0; iSadSum += WelsSampleSad8x8_c (pSample1, iStride1, pSample2, iStride2); iSadSum += WelsSampleSad8x8_c (pSample1 + 8, iStride1, pSample2 + 8, iStride2); iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3), iStride1, pSample2 + (iStride2 << 3), iStride2); iSadSum += WelsSampleSad8x8_c (pSample1 + (iStride1 << 3) + 8, iStride1, pSample2 + (iStride2 << 3) + 8, iStride2); return iSadSum; } void WelsSampleSadFour16x16_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) { * (pSad) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 - iStride2), iStride2); * (pSad + 1) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 + iStride2), iStride2); * (pSad + 2) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 - 1), iStride2); * (pSad + 3) = WelsSampleSad16x16_c (iSample1, iStride1, (iSample2 + 1), iStride2); } void WelsSampleSadFour16x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) { * (pSad) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2); * (pSad + 1) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2); * (pSad + 2) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 - 1), iStride2); * (pSad + 3) = WelsSampleSad16x8_c (iSample1, iStride1, (iSample2 + 1), iStride2); } void WelsSampleSadFour8x16_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) { * (pSad) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 - iStride2), iStride2); * (pSad + 1) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 + iStride2), iStride2); * (pSad + 2) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 - 1), iStride2); * (pSad + 3) = WelsSampleSad8x16_c (iSample1, iStride1, (iSample2 + 1), iStride2); } void WelsSampleSadFour8x8_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) { * (pSad) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 - iStride2), iStride2); * (pSad + 1) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 + iStride2), iStride2); * (pSad + 2) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 - 1), iStride2); * (pSad + 3) = WelsSampleSad8x8_c (iSample1, iStride1, (iSample2 + 1), iStride2); } void WelsSampleSadFour4x4_c (uint8_t* iSample1, int32_t iStride1, uint8_t* iSample2, int32_t iStride2, int32_t* pSad) { * (pSad) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 - iStride2), iStride2); * (pSad + 1) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 + iStride2), iStride2); * (pSad + 2) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 - 1), iStride2); * (pSad + 3) = WelsSampleSad4x4_c (iSample1, iStride1, (iSample2 + 1), iStride2); }