| 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(const CUData* ctu, int32_t dir); |
| 46 | |
| 47 | protected: |
| 48 | |
| 49 | // CU-level deblocking function |
| 50 | void deblockCU(const CUData* cu, uint32_t absPartIdx, uint32_t depth, const int32_t dir, uint8_t blockStrength[]); |
| 51 | |
| 52 | // set filtering functions |
| 53 | void setEdgefilterTU(const CUData* cu, uint32_t absPartIdx, uint32_t depth, int32_t dir, uint8_t blockStrength[]); |
| 54 | void setEdgefilterPU(const CUData* cu, uint32_t absPartIdx, int32_t dir, uint8_t blockStrength[], uint32_t numUnits); |
| 55 | void setEdgefilterMultiple(const CUData* cu, uint32_t absPartIdx, int32_t dir, int32_t edgeIdx, uint8_t value, uint8_t blockStrength[], uint32_t numUnits); |
| 56 | |
| 57 | // get filtering functions |
| 58 | uint8_t getBoundaryStrength(const CUData* cuQ, int32_t dir, uint32_t partQ, const uint8_t blockStrength[]); |
| 59 | |
| 60 | // filter luma/chroma functions |
| 61 | void edgeFilterLuma(const CUData* cuQ, uint32_t absPartIdx, uint32_t depth, int32_t dir, int32_t edge, const uint8_t blockStrength[]); |
| 62 | void edgeFilterChroma(const CUData* cuQ, uint32_t absPartIdx, uint32_t depth, int32_t dir, int32_t edge, const uint8_t blockStrength[]); |
| 63 | |
| 64 | static const uint8_t s_tcTable[54]; |
| 65 | static const uint8_t s_betaTable[52]; |
| 66 | }; |
| 67 | } |
| 68 | #endif // ifndef X265_DEBLOCK_H |