ffmpeg.libavutil.motion_vector source code

1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 module ffmpeg.libavutil.motion_vector;
19 extern (C) @nogc nothrow:
20 
21 struct AVMotionVector
22 {
23     /**
24      * Where the current macroblock comes from; negative value when it comes
25      * from the past, positive value when it comes from the future.
26      * XXX: set exact relative ref frame reference instead of a +/- 1 "direction".
27      */
28     int source;
29     /**
30      * Width and height of the block.
31      */
32     ubyte w;
33     ubyte h;
34     /**
35      * Absolute source position. Can be outside the frame area.
36      */
37     short src_x;
38     short src_y;
39     /**
40      * Absolute destination position. Can be outside the frame area.
41      */
42     short dst_x;
43     short dst_y;
44     /**
45      * Extra flag information.
46      * Currently unused.
47      */
48     ulong flags;
49     /**
50      * Motion vector
51      * src_x = dst_x + motion_x / motion_scale
52      * src_y = dst_y + motion_y / motion_scale
53      */
54     int motion_x;
55     int motion_y;
56     ushort motion_scale;
57 }
58 
59 /* AVUTIL_MOTION_VECTOR_H */