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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 | |