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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 | ||
b53f7c52 | 87 | primitives.luma_copy_ss[log2Size - 2](dst, dstYuv.m_size, src, m_size); |
72b9787e JB |
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 | ||
b53f7c52 | 95 | primitives.luma_copy_sp[log2Size - 2](dst, dstYuv.m_size, src, m_size); |
72b9787e JB |
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 | ||
b53f7c52 JB |
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); | |
72b9787e JB |
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 | ||
b53f7c52 JB |
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); | |
72b9787e | 120 | } |