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c139990e JS |
1 | /* |
2 | * videobuf2-v4l2.h - V4L2 driver helper framework | |
3 | * | |
4 | * Copyright (C) 2010 Samsung Electronics | |
5 | * | |
6 | * Author: Pawel Osciak <pawel@osciak.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation. | |
11 | */ | |
12 | #ifndef _MEDIA_VIDEOBUF2_V4L2_H | |
13 | #define _MEDIA_VIDEOBUF2_V4L2_H | |
14 | ||
2d700715 | 15 | #include <linux/videodev2.h> |
c139990e JS |
16 | #include <media/videobuf2-core.h> |
17 | ||
bed04f93 JS |
18 | #if VB2_MAX_FRAME != VIDEO_MAX_FRAME |
19 | #error VB2_MAX_FRAME != VIDEO_MAX_FRAME | |
20 | #endif | |
21 | ||
22 | #if VB2_MAX_PLANES != VIDEO_MAX_PLANES | |
23 | #error VB2_MAX_PLANES != VIDEO_MAX_PLANES | |
24 | #endif | |
25 | ||
2d700715 JS |
26 | /** |
27 | * struct vb2_v4l2_buffer - video buffer information for v4l2 | |
28 | * @vb2_buf: video buffer 2 | |
29 | * @flags: buffer informational flags | |
30 | * @field: enum v4l2_field; field order of the image in the buffer | |
31 | * @timestamp: frame timestamp | |
32 | * @timecode: frame timecode | |
33 | * @sequence: sequence count of this frame | |
34 | * Should contain enough information to be able to cover all the fields | |
35 | * of struct v4l2_buffer at videodev2.h | |
36 | */ | |
37 | struct vb2_v4l2_buffer { | |
38 | struct vb2_buffer vb2_buf; | |
39 | ||
40 | __u32 flags; | |
41 | __u32 field; | |
42 | struct timeval timestamp; | |
43 | struct v4l2_timecode timecode; | |
44 | __u32 sequence; | |
45 | }; | |
46 | ||
d383b579 | 47 | /* |
2d700715 JS |
48 | * to_vb2_v4l2_buffer() - cast struct vb2_buffer * to struct vb2_v4l2_buffer * |
49 | */ | |
50 | #define to_vb2_v4l2_buffer(vb) \ | |
d383b579 | 51 | container_of(vb, struct vb2_v4l2_buffer, vb2_buf) |
2d700715 | 52 | |
c139990e | 53 | #endif /* _MEDIA_VIDEOBUF2_V4L2_H */ |