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1 | /***************************************************************************** |
2 | * Copyright (C) 2013 x265 project | |
3 | * | |
4 | * Author: Gopu Govindaswamy <gopu@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 | #ifndef X265_DEBLOCK_H | |
25 | #define X265_DEBLOCK_H | |
26 | ||
27 | #include "common.h" | |
28 | ||
29 | namespace x265 { | |
30 | // private namespace | |
31 | ||
32 | class CUData; | |
33 | ||
34 | class Deblock | |
35 | { | |
36 | public: | |
37 | enum { EDGE_VER, EDGE_HOR }; | |
38 | ||
39 | uint32_t m_numPartitions; | |
40 | ||
41 | Deblock() : m_numPartitions(0) {} | |
42 | ||
43 | void init() { m_numPartitions = 1 << (g_maxFullDepth * 2); } | |
44 | ||
45 | void deblockCTU(CUData* cu, int32_t dir); | |
46 | ||
47 | protected: | |
48 | ||
49 | // CU-level deblocking function | |
50 | void deblockCU(CUData* cu, uint32_t absZOrderIdx, uint32_t depth, const int32_t Edge, uint8_t blockingStrength[]); | |
51 | ||
52 | struct Param | |
53 | { | |
54 | uint8_t leftEdge; | |
55 | uint8_t topEdge; | |
56 | }; | |
57 | ||
58 | // set filtering functions | |
59 | void setLoopfilterParam(CUData* cu, uint32_t absZOrderIdx, Param *params); | |
60 | void setEdgefilterTU(CUData* cu, uint32_t absZOrderIdx, uint32_t depth, int32_t dir, uint8_t blockingStrength[]); | |
61 | void setEdgefilterPU(CUData* cu, uint32_t absZOrderIdx, int32_t dir, uint8_t blockingStrength[], uint32_t widthInBaseUnits); | |
62 | void setEdgefilterMultiple(CUData* cu, uint32_t absZOrderIdx, int32_t dir, int32_t edgeIdx, uint8_t value, uint8_t blockingStrength[], uint32_t widthInBaseUnits); | |
63 | ||
64 | // get filtering functions | |
65 | void getBoundaryStrengthSingle(CUData* cu, int32_t dir, uint32_t partIdx, uint8_t blockingStrength[]); | |
66 | ||
67 | // filter luma/chroma functions | |
68 | void edgeFilterLuma(CUData* cu, uint32_t absZOrderIdx, uint32_t depth, int32_t dir, int32_t edge, const uint8_t blockingStrength[]); | |
69 | void edgeFilterChroma(CUData* cu, uint32_t absZOrderIdx, uint32_t depth, int32_t dir, int32_t edge, const uint8_t blockingStrength[]); | |
70 | ||
71 | static const uint8_t s_tcTable[54]; | |
72 | static const uint8_t s_betaTable[52]; | |
73 | }; | |
74 | } | |
75 | #endif // ifndef X265_DEBLOCK_H |