111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
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/*****************************************************************************
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* Copyright (C) 2013 x265 project
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*
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* Authors: Steve Borho <steve@borho.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at license @ x265.com.
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*****************************************************************************/
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#ifndef X265_MOTIONESTIMATE_H
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#define X265_MOTIONESTIMATE_H
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#include "primitives.h"
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#include "reference.h"
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#include "mv.h"
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#include "bitcost.h"
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#include "yuv.h"
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namespace X265_NS {
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// private x265 namespace
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class MotionEstimate : public BitCost
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{
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protected:
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intptr_t blockOffset;
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int ctuAddr;
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int absPartIdx; // part index of PU, including CU offset within CTU
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int searchMethod;
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int subpelRefine;
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int blockwidth;
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int blockheight;
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pixelcmp_t sad;
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pixelcmp_x3_t sad_x3;
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pixelcmp_x4_t sad_x4;
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pixelcmp_t satd;
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pixelcmp_t chromaSatd;
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MotionEstimate& operator =(const MotionEstimate&);
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public:
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static const int COST_MAX = 1 << 28;
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Yuv fencPUYuv;
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int partEnum;
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bool bChromaSATD;
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MotionEstimate();
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~MotionEstimate();
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static void initScales();
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static int hpelIterationCount(int subme);
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void init(int method, int refine, int csp);
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/* Methods called at slice setup */
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void setSourcePU(pixel *fencY, intptr_t stride, intptr_t offset, int pwidth, int pheight);
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void setSourcePU(const Yuv& srcFencYuv, int ctuAddr, int cuPartIdx, int puPartIdx, int pwidth, int pheight);
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/* buf*() and motionEstimate() methods all use cached fenc pixels and thus
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* require setSourcePU() to be called prior. */
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inline int bufSAD(const pixel* fref, intptr_t stride) { return sad(fencPUYuv.m_buf[0], FENC_STRIDE, fref, stride); }
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inline int bufSATD(const pixel* fref, intptr_t stride) { return satd(fencPUYuv.m_buf[0], FENC_STRIDE, fref, stride); }
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inline int bufChromaSATD(const Yuv& refYuv, int puPartIdx)
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{
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return chromaSatd(refYuv.getCbAddr(puPartIdx), refYuv.m_csize, fencPUYuv.m_buf[1], fencPUYuv.m_csize) +
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chromaSatd(refYuv.getCrAddr(puPartIdx), refYuv.m_csize, fencPUYuv.m_buf[2], fencPUYuv.m_csize);
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}
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int motionEstimate(ReferencePlanes* ref, const MV & mvmin, const MV & mvmax, const MV & qmvp, int numCandidates, const MV * mvc, int merange, MV & outQMv);
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int subpelCompare(ReferencePlanes* ref, const MV &qmv, pixelcmp_t);
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protected:
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inline void StarPatternSearch(ReferencePlanes *ref,
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const MV & mvmin,
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const MV & mvmax,
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MV & bmv,
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int & bcost,
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int & bPointNr,
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int & bDistance,
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int earlyExitIters,
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int merange);
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};
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}
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#endif // ifndef X265_MOTIONESTIMATE_H
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