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 
19 module ffmpeg.libavutil.motion_vector;
20 
21 extern (C):
22 import ffmpeg; @nogc nothrow:
23 
24 struct AVMotionVector
25 {
26     /**
27      * Where the current macroblock comes from; negative value when it comes
28      * from the past, positive value when it comes from the future.
29      * XXX: set exact relative ref frame reference instead of a +/- 1 "direction".
30      */
31     int source;
32     /**
33      * Width and height of the block.
34      */
35     ubyte w;
36     ubyte h;
37     /**
38      * Absolute source position. Can be outside the frame area.
39      */
40     short src_x;
41     short src_y;
42     /**
43      * Absolute destination position. Can be outside the frame area.
44      */
45     short dst_x;
46     short dst_y;
47     /**
48      * Extra flag information.
49      * Currently unused.
50      */
51     ulong flags;
52     /**
53      * Motion vector
54      * src_x = dst_x + motion_x / motion_scale
55      * src_y = dst_y + motion_y / motion_scale
56      */
57     int motion_x;
58     int motion_y;
59     ushort motion_scale;
60 }
61 
62 /* AVUTIL_MOTION_VECTOR_H */