blob: ec295563889a0a79ab9a8de8c147292fab1bb7ee
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 | #ifndef AVUTIL_MOTION_VECTOR_H |
20 | #define AVUTIL_MOTION_VECTOR_H |
21 | |
22 | #include <stdint.h> |
23 | |
24 | typedef struct AVMotionVector { |
25 | /** |
26 | * Where the current macroblock comes from; negative value when it comes |
27 | * from the past, positive value when it comes from the future. |
28 | * XXX: set exact relative ref frame reference instead of a +/- 1 "direction". |
29 | */ |
30 | int32_t source; |
31 | /** |
32 | * Width and height of the block. |
33 | */ |
34 | uint8_t w, h; |
35 | /** |
36 | * Absolute source position. Can be outside the frame area. |
37 | */ |
38 | int16_t src_x, src_y; |
39 | /** |
40 | * Absolute destination position. Can be outside the frame area. |
41 | */ |
42 | int16_t dst_x, dst_y; |
43 | /** |
44 | * Extra flag information. |
45 | * Currently unused. |
46 | */ |
47 | uint64_t flags; |
48 | /** |
49 | * Motion vector |
50 | * src_x = dst_x + motion_x / motion_scale |
51 | * src_y = dst_y + motion_y / motion_scale |
52 | */ |
53 | int32_t motion_x, motion_y; |
54 | uint16_t motion_scale; |
55 | } AVMotionVector; |
56 | |
57 | #endif /* AVUTIL_MOTION_VECTOR_H */ |
58 |