FFmpeg
motion_vector.h
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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  */
31  /**
32  * Width and height of the block.
33  */
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  */
54  uint16_t motion_scale;
56 
57 #endif /* AVUTIL_MOTION_VECTOR_H */
int16_t src_x
Absolute source position.
Definition: motion_vector.h:38
uint8_t
int16_t dst_x
Absolute destination position.
Definition: motion_vector.h:42
int32_t source
Where the current macroblock comes from; negative value when it comes from the past, positive value when it comes from the future.
Definition: motion_vector.h:30
uint8_t w
Width and height of the block.
Definition: motion_vector.h:34
int32_t motion_x
Motion vector src_x = dst_x + motion_x / motion_scale src_y = dst_y + motion_y / motion_scale.
Definition: motion_vector.h:53
int32_t
int32_t motion_y
Definition: motion_vector.h:53
uint16_t motion_scale
Definition: motion_vector.h:54
uint64_t flags
Extra flag information.
Definition: motion_vector.h:47