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
|
/*
# (C) 2008-2009 Elmar Kleijn <elmar_kleijn@hotmail.com>
# (C) 2008-2009 Sjoerd Piepenbrink <need4weed@gmail.com>
# (C) 2008-2009 Hans de Goede <hdegoede@redhat.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*/
#ifndef __LIBV4LPROCESSING_H
#define __LIBV4LPROCESSING_H
#include "../libv4lsyscall-priv.h"
#if defined(__OpenBSD__)
#include <sys/videoio.h>
#else
#include <linux/videodev2.h>
#endif
struct v4lprocessing_data;
struct v4lcontrol_data;
struct v4lprocessing_data *v4lprocessing_create(int fd, struct v4lcontrol_data *data);
void v4lprocessing_destroy(struct v4lprocessing_data *data);
/* Prepare to process 1 frame, returns 1 if processing is necesary,
return 0 if no processing will be done */
int v4lprocessing_pre_processing(struct v4lprocessing_data *data);
/* Do the actual processing, this is a nop if v4lprocessing_pre_processing()
returned 0, or if called more than 1 time after a single
v4lprocessing_pre_processing() call. */
void v4lprocessing_processing(struct v4lprocessing_data *data,
unsigned char *buf, const struct v4l2_format *fmt);
#endif
|
