summaryrefslogtreecommitdiff
path: root/lib/video-buffers.h
blob: 001f75ec3d05756e312242cee20d9fb571f9e15a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Video buffers
 *
 * Copyright (C) 2018 Laurent Pinchart
 *
 * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 */
#ifndef __VIDEO_BUFFERS_H__
#define __VIDEO_BUFFERS_H__

#include <stdbool.h>
#include <stddef.h>
#include <sys/time.h>

/*
 *
 * struct video_buffer - Video buffer information
 * @index: Zero-based buffer index, limited to the number of buffers minus one
 * @size: Size of the video memory, in bytes
 * @bytesused: Number of bytes used by video data, smaller or equal to @size
 * @timestamp: Time stamp at which the buffer has been captured
 * @error: True if an error occured while capturing video data for the buffer
 * @allocated: True if memory for the buffer has been allocated
 * @mem: Video data memory
 * @dmabuf: Video data dmabuf handle
 */
struct video_buffer
{
	unsigned int index;
	unsigned int size;
	unsigned int bytesused;
	struct timeval timestamp;
	bool error;
	void *mem;
	int dmabuf;
};

struct video_buffer_set
{
	struct video_buffer *buffers;
	unsigned int nbufs;
};

struct video_buffer_set *video_buffer_set_new(unsigned int nbufs);
void video_buffer_set_delete(struct video_buffer_set *buffers);

#endif /* __VIDEO_BUFFERS_H__ */