Commit | Line | Data |
---|---|---|
72b9787e JB |
1 | /***************************************************************************** |
2 | * Copyright (C) 2014 x265 project | |
3 | * | |
4 | * Authors: Steve Borho <steve@borho.org> | |
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 | #ifndef X265_YUV_H | |
25 | #define X265_YUV_H | |
26 | ||
27 | #include "common.h" | |
28 | #include "primitives.h" | |
29 | ||
30 | namespace x265 { | |
31 | // private namespace | |
32 | ||
33 | class ShortYuv; | |
34 | class PicYuv; | |
35 | ||
36 | /* A Yuv instance holds pixels for a square CU (64x64 down to 8x8) for all three planes | |
37 | * these are typically used to hold fenc, predictions, or reconstructed blocks */ | |
38 | class Yuv | |
39 | { | |
40 | public: | |
41 | ||
42 | pixel* m_buf[3]; | |
43 | ||
44 | uint32_t m_size; | |
45 | uint32_t m_csize; | |
46 | int m_part; // cached partition enum size | |
47 | ||
48 | int m_csp; | |
49 | int m_hChromaShift; | |
50 | int m_vChromaShift; | |
51 | ||
52 | Yuv(); | |
53 | ||
54 | bool create(uint32_t size, int csp); | |
55 | void destroy(); | |
56 | ||
57 | // Copy YUV buffer to picture buffer | |
58 | void copyToPicYuv(PicYuv& destPicYuv, uint32_t cuAddr, uint32_t absPartIdx) const; | |
59 | ||
60 | // Copy YUV buffer from picture buffer | |
61 | void copyFromPicYuv(const PicYuv& srcPicYuv, uint32_t cuAddr, uint32_t absPartIdx); | |
62 | ||
63 | // Copy from same size YUV buffer | |
64 | void copyFromYuv(const Yuv& srcYuv); | |
65 | ||
b53f7c52 JB |
66 | // Copy portion of srcYuv into ME prediction buffer |
67 | void copyPUFromYuv(const Yuv& srcYuv, uint32_t absPartIdx, int partEnum, bool bChroma); | |
68 | ||
72b9787e JB |
69 | // Copy Small YUV buffer to the part of other Big YUV buffer |
70 | void copyToPartYuv(Yuv& dstYuv, uint32_t absPartIdx) const; | |
71 | ||
72 | // Copy the part of Big YUV buffer to other Small YUV buffer | |
73 | void copyPartToYuv(Yuv& dstYuv, uint32_t absPartIdx) const; | |
74 | ||
75 | // Clip(srcYuv0 + srcYuv1) -> m_buf .. aka recon = clip(pred + residual) | |
76 | void addClip(const Yuv& srcYuv0, const ShortYuv& srcYuv1, uint32_t log2SizeL); | |
77 | ||
78 | // (srcYuv0 + srcYuv1)/2 for YUV partition (bidir averaging) | |
79 | void addAvg(const ShortYuv& srcYuv0, const ShortYuv& srcYuv1, uint32_t absPartIdx, uint32_t width, uint32_t height, bool bLuma, bool bChroma); | |
80 | ||
81 | void copyPartToPartLuma(Yuv& dstYuv, uint32_t absPartIdx, uint32_t log2Size) const; | |
82 | void copyPartToPartChroma(Yuv& dstYuv, uint32_t absPartIdx, uint32_t log2SizeL) const; | |
83 | ||
84 | pixel* getLumaAddr(uint32_t absPartIdx) { return m_buf[0] + getAddrOffset(absPartIdx, m_size); } | |
85 | pixel* getCbAddr(uint32_t absPartIdx) { return m_buf[1] + getChromaAddrOffset(absPartIdx); } | |
86 | pixel* getCrAddr(uint32_t absPartIdx) { return m_buf[2] + getChromaAddrOffset(absPartIdx); } | |
87 | pixel* getChromaAddr(uint32_t chromaId, uint32_t absPartIdx) { return m_buf[chromaId] + getChromaAddrOffset(absPartIdx); } | |
88 | ||
89 | const pixel* getLumaAddr(uint32_t absPartIdx) const { return m_buf[0] + getAddrOffset(absPartIdx, m_size); } | |
90 | const pixel* getCbAddr(uint32_t absPartIdx) const { return m_buf[1] + getChromaAddrOffset(absPartIdx); } | |
91 | const pixel* getCrAddr(uint32_t absPartIdx) const { return m_buf[2] + getChromaAddrOffset(absPartIdx); } | |
92 | const pixel* getChromaAddr(uint32_t chromaId, uint32_t absPartIdx) const { return m_buf[chromaId] + getChromaAddrOffset(absPartIdx); } | |
93 | ||
94 | int getChromaAddrOffset(uint32_t absPartIdx) const | |
95 | { | |
96 | int blkX = g_zscanToPelX[absPartIdx] >> m_hChromaShift; | |
97 | int blkY = g_zscanToPelY[absPartIdx] >> m_vChromaShift; | |
98 | ||
99 | return blkX + blkY * m_csize; | |
100 | } | |
101 | ||
102 | static int getAddrOffset(uint32_t absPartIdx, uint32_t width) | |
103 | { | |
104 | int blkX = g_zscanToPelX[absPartIdx]; | |
105 | int blkY = g_zscanToPelY[absPartIdx]; | |
106 | ||
107 | return blkX + blkY * width; | |
108 | } | |
109 | }; | |
110 | } | |
111 | ||
112 | #endif |