| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Deepthi Nandakumar <deepthi@multicorewareinc.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 19 | * |
| 20 | * This program is also available under a commercial proprietary license. |
| 21 | * For more information, contact us at license @ x265.com |
| 22 | *****************************************************************************/ |
| 23 | |
| 24 | #include "common.h" |
| 25 | #include "yuv.h" |
| 26 | #include "shortyuv.h" |
| 27 | #include "primitives.h" |
| 28 | |
| 29 | #include "x265.h" |
| 30 | |
| 31 | using namespace x265; |
| 32 | |
| 33 | ShortYuv::ShortYuv() |
| 34 | { |
| 35 | m_buf[0] = NULL; |
| 36 | m_buf[1] = NULL; |
| 37 | m_buf[2] = NULL; |
| 38 | } |
| 39 | |
| 40 | bool ShortYuv::create(uint32_t size, int csp) |
| 41 | { |
| 42 | m_csp = csp; |
| 43 | m_hChromaShift = CHROMA_H_SHIFT(csp); |
| 44 | m_vChromaShift = CHROMA_V_SHIFT(csp); |
| 45 | |
| 46 | m_size = size; |
| 47 | m_csize = size >> m_hChromaShift; |
| 48 | |
| 49 | size_t sizeL = size * size; |
| 50 | size_t sizeC = sizeL >> (m_hChromaShift + m_vChromaShift); |
| 51 | X265_CHECK((sizeC & 15) == 0, "invalid size"); |
| 52 | |
| 53 | CHECKED_MALLOC(m_buf[0], int16_t, sizeL + sizeC * 2); |
| 54 | m_buf[1] = m_buf[0] + sizeL; |
| 55 | m_buf[2] = m_buf[0] + sizeL + sizeC; |
| 56 | return true; |
| 57 | |
| 58 | fail: |
| 59 | return false; |
| 60 | } |
| 61 | |
| 62 | void ShortYuv::destroy() |
| 63 | { |
| 64 | X265_FREE(m_buf[0]); |
| 65 | } |
| 66 | |
| 67 | void ShortYuv::clear() |
| 68 | { |
| 69 | ::memset(m_buf[0], 0, (m_size * m_size) * sizeof(int16_t)); |
| 70 | ::memset(m_buf[1], 0, (m_csize * m_csize) * sizeof(int16_t)); |
| 71 | ::memset(m_buf[2], 0, (m_csize * m_csize) * sizeof(int16_t)); |
| 72 | } |
| 73 | |
| 74 | void ShortYuv::subtract(const Yuv& srcYuv0, const Yuv& srcYuv1, uint32_t log2Size) |
| 75 | { |
| 76 | const int sizeIdx = log2Size - 2; |
| 77 | primitives.luma_sub_ps[sizeIdx](m_buf[0], m_size, srcYuv0.m_buf[0], srcYuv1.m_buf[0], srcYuv0.m_size, srcYuv1.m_size); |
| 78 | primitives.chroma[m_csp].sub_ps[sizeIdx](m_buf[1], m_csize, srcYuv0.m_buf[1], srcYuv1.m_buf[1], srcYuv0.m_csize, srcYuv1.m_csize); |
| 79 | primitives.chroma[m_csp].sub_ps[sizeIdx](m_buf[2], m_csize, srcYuv0.m_buf[2], srcYuv1.m_buf[2], srcYuv0.m_csize, srcYuv1.m_csize); |
| 80 | } |
| 81 | |
| 82 | void ShortYuv::copyPartToPartLuma(ShortYuv& dstYuv, uint32_t absPartIdx, uint32_t log2Size) const |
| 83 | { |
| 84 | const int16_t* src = getLumaAddr(absPartIdx); |
| 85 | int16_t* dst = dstYuv.getLumaAddr(absPartIdx); |
| 86 | |
| 87 | primitives.luma_copy_ss[log2Size - 2](dst, dstYuv.m_size, src, m_size); |
| 88 | } |
| 89 | |
| 90 | void ShortYuv::copyPartToPartLuma(Yuv& dstYuv, uint32_t absPartIdx, uint32_t log2Size) const |
| 91 | { |
| 92 | const int16_t* src = getLumaAddr(absPartIdx); |
| 93 | pixel* dst = dstYuv.getLumaAddr(absPartIdx); |
| 94 | |
| 95 | primitives.luma_copy_sp[log2Size - 2](dst, dstYuv.m_size, src, m_size); |
| 96 | } |
| 97 | |
| 98 | void ShortYuv::copyPartToPartChroma(ShortYuv& dstYuv, uint32_t absPartIdx, uint32_t log2SizeL) const |
| 99 | { |
| 100 | int part = partitionFromLog2Size(log2SizeL); |
| 101 | const int16_t* srcU = getCbAddr(absPartIdx); |
| 102 | const int16_t* srcV = getCrAddr(absPartIdx); |
| 103 | int16_t* dstU = dstYuv.getCbAddr(absPartIdx); |
| 104 | int16_t* dstV = dstYuv.getCrAddr(absPartIdx); |
| 105 | |
| 106 | primitives.chroma[m_csp].copy_ss[part](dstU, dstYuv.m_csize, srcU, m_csize); |
| 107 | primitives.chroma[m_csp].copy_ss[part](dstV, dstYuv.m_csize, srcV, m_csize); |
| 108 | } |
| 109 | |
| 110 | void ShortYuv::copyPartToPartChroma(Yuv& dstYuv, uint32_t absPartIdx, uint32_t log2SizeL) const |
| 111 | { |
| 112 | int part = partitionFromLog2Size(log2SizeL); |
| 113 | const int16_t* srcU = getCbAddr(absPartIdx); |
| 114 | const int16_t* srcV = getCrAddr(absPartIdx); |
| 115 | pixel* dstU = dstYuv.getCbAddr(absPartIdx); |
| 116 | pixel* dstV = dstYuv.getCrAddr(absPartIdx); |
| 117 | |
| 118 | primitives.chroma[m_csp].copy_sp[part](dstU, dstYuv.m_csize, srcU, m_csize); |
| 119 | primitives.chroma[m_csp].copy_sp[part](dstV, dstYuv.m_csize, srcV, m_csize); |
| 120 | } |