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 | ||