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/*****************************************************************************
* Copyright (C) 2013-2020 MulticoreWare, Inc
*
* Authors: Steve Borho <steve@borho.org>
* Min Chen <chenm003@163.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_MOTIONESTIMATE_H
#define X265_MOTIONESTIMATE_H
#include "primitives.h"
#include "reference.h"
#include "mv.h"
#include "bitcost.h"
#include "yuv.h"
namespace X265_NS {
// private x265 namespace
class MotionEstimate : public BitCost
{
protected:
intptr_t blockOffset;
int ctuAddr;
int absPartIdx; // part index of PU, including CU offset within CTU
int searchMethod;
int searchMethodL0;
int searchMethodL1;
int subpelRefine;
int blockwidth;
int blockheight;
pixelcmp_t sad;
pixelcmp_x3_t sad_x3;
pixelcmp_x4_t sad_x4;
pixelcmp_ads_t ads;
pixelcmp_t satd;
pixelcmp_t chromaSatd;
MotionEstimate& operator =(const MotionEstimate&);
public:
static const int COST_MAX = 1 << 28;
uint32_t* integral[INTEGRAL_PLANE_NUM];
Yuv fencPUYuv;
int partEnum;
bool bChromaSATD;
MotionEstimate();
~MotionEstimate();
static void initScales();
static int hpelIterationCount(int subme);
void init(int csp);
/* Methods called at slice setup */
void setSourcePU(pixel *fencY, intptr_t stride, intptr_t offset, int pwidth, int pheight, const int searchMethod, const int subpelRefine);
void setSourcePU(pixel *fencY, intptr_t stride, intptr_t offset, int pwidth, int pheight, const int searchMethod, const int searchL0, const int searchL1, const int subpelRefine);
void setSourcePU(const Yuv& srcFencYuv, int ctuAddr, int cuPartIdx, int puPartIdx, int pwidth, int pheight, const int searchMethod, const int subpelRefine, bool bChroma);
/* buf*() and motionEstimate() methods all use cached fenc pixels and thus
* require setSourcePU() to be called prior. */
inline int bufSAD(const pixel* fref, intptr_t stride) { return sad(fencPUYuv.m_buf[0], FENC_STRIDE, fref, stride); }
inline int bufSATD(const pixel* fref, intptr_t stride) { return satd(fencPUYuv.m_buf[0], FENC_STRIDE, fref, stride); }
inline int bufChromaSATD(const Yuv& refYuv, int puPartIdx)
{
return chromaSatd(refYuv.getCbAddr(puPartIdx), refYuv.m_csize, fencPUYuv.m_buf[1], fencPUYuv.m_csize) +
chromaSatd(refYuv.getCrAddr(puPartIdx), refYuv.m_csize, fencPUYuv.m_buf[2], fencPUYuv.m_csize);
}
void refineMV(ReferencePlanes* ref, const MV& mvmin, const MV& mvmax, const MV& qmvp, MV& outQMv);
int motionEstimate(ReferencePlanes* ref, const MV & mvmin, const MV & mvmax, const MV & qmvp, int numCandidates, const MV * mvc, int merange, MV & outQMv, uint32_t maxSlices, bool m_vertRestriction, pixel *srcReferencePlane = 0);
int subpelCompare(ReferencePlanes* ref, const MV &qmv, pixelcmp_t);
protected:
inline void StarPatternSearch(ReferencePlanes *ref,
const MV & mvmin,
const MV & mvmax,
MV & bmv,
int & bcost,
int & bPointNr,
int & bDistance,
int earlyExitIters,
int merange,
int hme);
};
}
#endif // ifndef X265_MOTIONESTIMATE_H
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