54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* videobuf2-v4l2.h - V4L2 driver helper framework
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*
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* Copyright (C) 2010 Samsung Electronics
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*
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* Author: Pawel Osciak <pawel@osciak.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*/
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#ifndef _MEDIA_VIDEOBUF2_V4L2_H
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#define _MEDIA_VIDEOBUF2_V4L2_H
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#include <linux/videodev2.h>
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#include <media/videobuf2-core.h>
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#if VB2_MAX_FRAME != VIDEO_MAX_FRAME
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#error VB2_MAX_FRAME != VIDEO_MAX_FRAME
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#endif
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#if VB2_MAX_PLANES != VIDEO_MAX_PLANES
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#error VB2_MAX_PLANES != VIDEO_MAX_PLANES
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#endif
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/**
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* struct vb2_v4l2_buffer - video buffer information for v4l2
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* @vb2_buf: video buffer 2
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* @flags: buffer informational flags
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* @field: enum v4l2_field; field order of the image in the buffer
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* @timestamp: frame timestamp
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* @timecode: frame timecode
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* @sequence: sequence count of this frame
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* Should contain enough information to be able to cover all the fields
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* of struct v4l2_buffer at videodev2.h
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*/
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struct vb2_v4l2_buffer {
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struct vb2_buffer vb2_buf;
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__u32 flags;
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__u32 field;
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struct timeval timestamp;
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struct v4l2_timecode timecode;
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__u32 sequence;
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};
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/*
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* to_vb2_v4l2_buffer() - cast struct vb2_buffer * to struct vb2_v4l2_buffer *
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*/
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#define to_vb2_v4l2_buffer(vb) \
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container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
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#endif /* _MEDIA_VIDEOBUF2_V4L2_H */
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