Showing the changes to codec/processing/src/scenechangedetection/SceneChangeDetectionCommon.cpp (1 of 124 files). Show all
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| 1 | +/*! | |
| 2 | + * \copy | |
| 3 | + * Copyright (c) 2013, Cisco Systems | |
| 4 | + * All rights reserved. | |
| 5 | + * | |
| 6 | + * Redistribution and use in source and binary forms, with or without | |
| 7 | + * modification, are permitted provided that the following conditions | |
| 8 | + * are met: | |
| 9 | + * | |
| 10 | + * * Redistributions of source code must retain the above copyright | |
| 11 | + * notice, this list of conditions and the following disclaimer. | |
| 12 | + * | |
| 13 | + * * Redistributions in binary form must reproduce the above copyright | |
| 14 | + * notice, this list of conditions and the following disclaimer in | |
| 15 | + * the documentation and/or other materials provided with the | |
| 16 | + * distribution. | |
| 17 | + * | |
| 18 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 21 | + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 22 | + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 23 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 24 | + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 25 | + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 26 | + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 27 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| 28 | + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 29 | + * POSSIBILITY OF SUCH DAMAGE. | |
| 30 | + * | |
| 31 | + */ | |
| 32 | + | |
| 33 | +#include "SceneChangeDetectionCommon.h" | |
| 34 | +#include "../common/cpu.h" | |
| 35 | + | |
| 36 | +WELSVP_NAMESPACE_BEGIN | |
| 37 | + | |
| 38 | + | |
| 39 | +int32_t WelsSampleSad8x8_c (uint8_t* pSrcY, int32_t iSrcStrideY, uint8_t* pRefY, int32_t iRefStrideY) { | |
| 40 | + int32_t iSadSum = 0; | |
| 41 | + uint8_t* pSrcA = pSrcY; | |
| 42 | + uint8_t* pSrcB = pRefY; | |
| 43 | + for (int32_t i = 0; i < 8; i++) { | |
| 44 | + iSadSum += WELS_ABS ((pSrcA[0] - pSrcB[0])); | |
| 45 | + iSadSum += WELS_ABS ((pSrcA[1] - pSrcB[1])); | |
| 46 | + iSadSum += WELS_ABS ((pSrcA[2] - pSrcB[2])); | |
| 47 | + iSadSum += WELS_ABS ((pSrcA[3] - pSrcB[3])); | |
| 48 | + iSadSum += WELS_ABS ((pSrcA[4] - pSrcB[4])); | |
| 49 | + iSadSum += WELS_ABS ((pSrcA[5] - pSrcB[5])); | |
| 50 | + iSadSum += WELS_ABS ((pSrcA[6] - pSrcB[6])); | |
| 51 | + iSadSum += WELS_ABS ((pSrcA[7] - pSrcB[7])); | |
| 52 | + | |
| 53 | + pSrcA += iSrcStrideY; | |
| 54 | + pSrcB += iRefStrideY; | |
| 55 | + } | |
| 56 | + | |
| 57 | + return iSadSum; | |
| 58 | +} | |
| 59 | + | |
| 60 | +WELSVP_NAMESPACE_END | |