1 /*
2  * Perform motion estimation
3  * Zachary K Drew, Copyright 2004
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18  */
19 
20 #ifndef _FILTER_MOTION_EST_H_
21 #define _FILTER_MOTION_EST_H_
22 
23 #include <framework/mlt_filter.h>
24 
25 extern mlt_filter filter_motion_est_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg );
26 
27 #define MAX_MSAD 0xffff
28 
29 struct motion_vector_s
30 {
31 	int msad;	//<! Sum of Absolute Differences for this vector
32 	int dx;		//<! integer X displacement
33 	int dy;		//<! integer Y displacement
34 	int vert_dev;	//<! a measure of vertical color deviation
35 	int horiz_dev;	//<! a measure of horizontal color deviation
36 	int valid;
37 	int quality;
38 	uint8_t color;	//<! The color
39 };
40 
41 typedef struct motion_vector_s motion_vector;
42 #endif
43