libbpg/x265/source/common/deblock.h
2015-10-27 11:46:00 +01:00

63 lines
2.5 KiB
C++

/*****************************************************************************
* Copyright (C) 2013 x265 project
*
* Author: Gopu Govindaswamy <gopu@multicorewareinc.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/
#ifndef X265_DEBLOCK_H
#define X265_DEBLOCK_H
#include "common.h"
namespace X265_NS {
// private namespace
class CUData;
struct CUGeom;
class Deblock
{
public:
enum { EDGE_VER, EDGE_HOR };
void deblockCTU(const CUData* ctu, const CUGeom& cuGeom, int32_t dir);
protected:
// CU-level deblocking function
void deblockCU(const CUData* cu, const CUGeom& cuGeom, const int32_t dir, uint8_t blockStrength[]);
// set filtering functions
void setEdgefilterTU(const CUData* cu, uint32_t absPartIdx, uint32_t tuDepth, int32_t dir, uint8_t blockStrength[]);
void setEdgefilterPU(const CUData* cu, uint32_t absPartIdx, int32_t dir, uint8_t blockStrength[], uint32_t numUnits);
void setEdgefilterMultiple(const CUData* cu, uint32_t absPartIdx, int32_t dir, int32_t edgeIdx, uint8_t value, uint8_t blockStrength[], uint32_t numUnits);
// get filtering functions
uint8_t getBoundaryStrength(const CUData* cuQ, int32_t dir, uint32_t partQ, const uint8_t blockStrength[]);
// filter luma/chroma functions
void edgeFilterLuma(const CUData* cuQ, uint32_t absPartIdx, uint32_t depth, int32_t dir, int32_t edge, const uint8_t blockStrength[]);
void edgeFilterChroma(const CUData* cuQ, uint32_t absPartIdx, uint32_t depth, int32_t dir, int32_t edge, const uint8_t blockStrength[]);
static const uint8_t s_tcTable[54];
static const uint8_t s_betaTable[52];
};
}
#endif // ifndef X265_DEBLOCK_H