78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/*****************************************************************************
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* me.h: h264 encoder library (Motion Estimation)
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*****************************************************************************
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* Copyright (C) 2003 Laurent Aimar
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* $Id: me.h,v 1.1 2004/06/03 19:27:08 fenrir Exp $
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is CC_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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#ifndef _ME_H
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#define _ME_H 1
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#define COST_MAX (1<<28)
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typedef struct
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{
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/* input */
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int i_pixel; /* PIXEL_WxH */
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int16_t *p_cost_mv; /* lambda * nbits for each possible mv */
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int i_ref_cost;
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int i_ref;
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uint8_t *p_fref[6];
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uint8_t *p_fenc[3];
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uint16_t *integral;
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int i_stride[2];
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int mvp[2];
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/* output */
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int cost_mv; /* lambda * nbits for the chosen mv */
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int cost; /* satd + lambda * nbits */
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int mv[2];
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} x264_me_t;
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void x264_me_search_ref( x264_t *h, x264_me_t *m, int (*mvc)[2], int i_mvc, int *p_fullpel_thresh );
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static inline void x264_me_search( x264_t *h, x264_me_t *m, int (*mvc)[2], int i_mvc )
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{ x264_me_search_ref( h, m, mvc, i_mvc, NULL ); }
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void x264_me_refine_qpel( x264_t *h, x264_me_t *m );
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void x264_me_refine_qpel_rd( x264_t *h, x264_me_t *m, int i_lambda2, int i8 );
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int x264_me_refine_bidir( x264_t *h, x264_me_t *m0, x264_me_t *m1, int i_weight );
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int x264_rd_cost_part( x264_t *h, int i_lambda2, int i8, int i_pixel );
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#define COPY1_IF_LT(x,y)\
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if((y)<(x))\
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(x)=(y);
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#define COPY2_IF_LT(x,y,a,b)\
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if((y)<(x))\
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{\
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(x)=(y);\
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(a)=(b);\
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}
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#define COPY3_IF_LT(x,y,a,b,c,d)\
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if((y)<(x))\
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{\
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(x)=(y);\
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(a)=(b);\
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(c)=(d);\
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}
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#endif
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