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Junghak Sungc1399902015-09-22 10:30:29 -03001/*
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
Junghak Sung2d700712015-09-22 10:30:30 -030015#include <linux/videodev2.h>
Junghak Sungc1399902015-09-22 10:30:29 -030016#include <media/videobuf2-core.h>
17
Junghak Sungbed04f92015-10-06 06:37:47 -030018#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
Junghak Sung2d700712015-09-22 10:30:30 -030026/**
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 */
37struct 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
Mauro Carvalho Chehabd383b572015-10-01 14:23:35 -030047/*
Junghak Sung2d700712015-09-22 10:30:30 -030048 * to_vb2_v4l2_buffer() - cast struct vb2_buffer * to struct vb2_v4l2_buffer *
49 */
50#define to_vb2_v4l2_buffer(vb) \
Mauro Carvalho Chehabd383b572015-10-01 14:23:35 -030051 container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
Junghak Sung2d700712015-09-22 10:30:30 -030052
Junghak Sungc1399902015-09-22 10:30:29 -030053#endif /* _MEDIA_VIDEOBUF2_V4L2_H */