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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 "common.h" | ||
| 34 | #include "ls_defines.h" | ||
| 35 | |||
| 36 | WELSVP_NAMESPACE_BEGIN | ||
| 37 | |||
| 38 | void WelsI16x16LumaPredV_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) { | ||
| 39 | uint8_t i = 15; | ||
| 40 | const int8_t* kpSrc = (int8_t*)&pRef[-kiStride]; | ||
| 41 | const uint64_t kuiT1 = LD64 (kpSrc); | ||
| 42 | const uint64_t kuiT2 = LD64 (kpSrc + 8); | ||
| 43 | uint8_t* pDst = pPred; | ||
| 44 | |||
| 45 | do { | ||
| 46 | ST64 (pDst , kuiT1); | ||
| 47 | ST64 (pDst + 8, kuiT2); | ||
| 48 | pDst += 16; | ||
| 49 | } while (i-- > 0); | ||
| 50 | } | ||
| 51 | |||
| 52 | void WelsI16x16LumaPredH_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) { | ||
| 53 | int32_t iStridex15 = (kiStride << 4) - kiStride; | ||
| 54 | int32_t iPredStride = 16; | ||
| 55 | int32_t iPredStridex15 = 240; //(iPredStride<<4)-iPredStride; | ||
| 56 | uint8_t i = 15; | ||
| 57 | |||
| 58 | do { | ||
| 59 | const uint8_t kuiSrc8 = pRef[iStridex15 - 1]; | ||
| 60 | #ifdef _MSC_VER | ||
| 61 | const uint64_t kuiV64 = (uint64_t) (0x0101010101010101U * kuiSrc8); | ||
| 62 | #else | ||
| 63 | const uint64_t kuiV64 = (uint64_t) (0x0101010101010101LL * kuiSrc8); | ||
| 64 | #endif | ||
| 65 | ST64 (&pPred[iPredStridex15], kuiV64); | ||
| 66 | ST64 (&pPred[iPredStridex15 + 8], kuiV64); | ||
| 67 | |||
| 68 | iStridex15 -= kiStride; | ||
| 69 | iPredStridex15 -= iPredStride; | ||
| 70 | } while (i-- > 0); | ||
| 71 | } | ||
| 72 | |||
| 73 | WELSVP_NAMESPACE_END | ||