1 /*****************************************************************************
2 * me.h: h264 encoder library (Motion Estimation)
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Loren Merritt <lorenm@u.washington.edu>
7 * Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 *****************************************************************************/
27 #define COST_MAX (1<<28)
28 #define COST_MAX64 (1ULL<<60)
32 /* aligning the first member is a gcc hack to force the struct to be
33 * 16 byte aligned, as well as force sizeof(struct) to be a multiple of 16 */
35 ALIGNED_16( int i_pixel ); /* PIXEL_WxH */
36 uint16_t *p_cost_mv; /* lambda * nbits for each possible mv */
39 const x264_weight_t *weight;
47 ALIGNED_4( int16_t mvp[2] );
50 int cost_mv; /* lambda * nbits for the chosen mv */
51 int cost; /* satd + lambda * nbits */
52 ALIGNED_4( int16_t mv[2] );
53 } ALIGNED_16( x264_me_t );
60 void x264_me_search_ref( x264_t *h, x264_me_t *m, int16_t (*mvc)[2], int i_mvc, int *p_fullpel_thresh );
61 #define x264_me_search( h, m, mvc, i_mvc )\
62 x264_me_search_ref( h, m, mvc, i_mvc, NULL )
64 void x264_me_refine_qpel( x264_t *h, x264_me_t *m );
65 void x264_me_refine_qpel_refdupe( x264_t *h, x264_me_t *m, int *p_halfpel_thresh );
66 void x264_me_refine_qpel_rd( x264_t *h, x264_me_t *m, int i_lambda2, int i4, int i_list );
67 void x264_me_refine_bidir_rd( x264_t *h, x264_me_t *m0, x264_me_t *m1, int i_weight, int i8, int i_lambda2 );
68 void x264_me_refine_bidir_satd( x264_t *h, x264_me_t *m0, x264_me_t *m1, int i_weight );
69 uint64_t x264_rd_cost_part( x264_t *h, int i_lambda2, int i8, int i_pixel );
71 extern uint16_t *x264_cost_mv_fpel[LAMBDA_MAX+1][4];
73 #define COPY1_IF_LT(x,y)\
77 #define COPY2_IF_LT(x,y,a,b)\
84 #define COPY3_IF_LT(x,y,a,b,c,d)\
92 #define COPY4_IF_LT(x,y,a,b,c,d,e,f)\
101 #define COPY2_IF_GT(x,y,a,b)\