| /***************************************************************************** |
| * me.h: h264 encoder library (Motion Estimation) |
| ***************************************************************************** |
| * Copyright (C) 2003-2008 x264 project |
| * |
| * Authors: Loren Merritt <lorenm@u.washington.edu> |
| * Laurent Aimar <fenrir@via.ecp.fr> |
| * |
| * 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. |
| *****************************************************************************/ |
| |
| #ifndef X264_ME_H |
| #define X264_ME_H |
| |
| #define COST_MAX (1<<28) |
| #define COST_MAX64 (1ULL<<60) |
| |
| typedef struct |
| { |
| /* input */ |
| int i_pixel; /* PIXEL_WxH */ |
| int16_t *p_cost_mv; /* lambda * nbits for each possible mv */ |
| int i_ref_cost; |
| int i_ref; |
| |
| uint8_t *p_fref[6]; |
| uint8_t *p_fenc[3]; |
| uint16_t *integral; |
| int i_stride[2]; |
| |
| DECLARE_ALIGNED_4( int16_t mvp[2] ); |
| |
| /* output */ |
| int cost_mv; /* lambda * nbits for the chosen mv */ |
| int cost; /* satd + lambda * nbits */ |
| DECLARE_ALIGNED_4( int16_t mv[2] ); |
| } DECLARE_ALIGNED_16( x264_me_t ); |
| |
| void x264_me_search_ref( x264_t *h, x264_me_t *m, int16_t (*mvc)[2], int i_mvc, int *p_fullpel_thresh ); |
| static inline void x264_me_search( x264_t *h, x264_me_t *m, int16_t (*mvc)[2], int i_mvc ) |
| { x264_me_search_ref( h, m, mvc, i_mvc, NULL ); } |
| |
| void x264_me_refine_qpel( x264_t *h, x264_me_t *m ); |
| void x264_me_refine_qpel_rd( x264_t *h, x264_me_t *m, int i_lambda2, int i4, int i_list ); |
| 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 ); |
| void x264_me_refine_bidir_satd( x264_t *h, x264_me_t *m0, x264_me_t *m1, int i_weight ); |
| uint64_t x264_rd_cost_part( x264_t *h, int i_lambda2, int i8, int i_pixel ); |
| |
| extern uint16_t *x264_cost_mv_fpel[52][4]; |
| |
| #define COPY1_IF_LT(x,y)\ |
| if((y)<(x))\ |
| (x)=(y); |
| |
| #define COPY2_IF_LT(x,y,a,b)\ |
| if((y)<(x))\ |
| {\ |
| (x)=(y);\ |
| (a)=(b);\ |
| } |
| |
| #define COPY3_IF_LT(x,y,a,b,c,d)\ |
| if((y)<(x))\ |
| {\ |
| (x)=(y);\ |
| (a)=(b);\ |
| (c)=(d);\ |
| } |
| |
| #define COPY4_IF_LT(x,y,a,b,c,d,f,e)\ |
| if((y)<(x))\ |
| {\ |
| (x)=(y);\ |
| (a)=(b);\ |
| (c)=(d);\ |
| (f)=(e);\ |
| } |
| |
| #endif |