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server
drivers
camera
v4l2
v4l2.h
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/*
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* Player - One Hell of a Robot Server
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* Copyright (C) 2000 Brian Gerkey et al.
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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//
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// Desc: Video4Linux2 routines for camerav4l2 driver
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// Author: Paul Osmialowski
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//
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#ifndef _V4L2_H
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#define _V4L2_H
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#include <sys/types.h>
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#include <linux/videodev2.h>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define v4l2_fmtbyname(name) v4l2_fourcc((name)[0], (name)[1], (name)[2], (name)[3])
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#define REQUEST_BUFFERS 4
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struct
fg_struct
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{
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int
dev_fd;
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int
grabbing;
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int
grab_number;
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int
depth;
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int
buffers_num;
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unsigned
int
pixformat;
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int
r, g, b;
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struct
buff_struct
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{
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struct
v4l2_buffer buffer;
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unsigned
char
* video_map;
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} buffers[REQUEST_BUFFERS];
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int
width;
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int
height;
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int
pixels;
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int
imgdepth;
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unsigned
char
* bayerbuf;
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int
bayerbuf_size;
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unsigned
char
*
image
;
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};
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#define FG(ptr) ((struct fg_struct *)(ptr))
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extern
void
* open_fg(
const
char
* dev,
const
char
* pixformat,
int
width,
int
height,
int
imgdepth,
int
buffers);
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extern
void
close_fg(
void
* fg);
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extern
int
set_channel(
void
* fg,
int
channel,
const
char
* mode);
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extern
int
start_grab (
void
* fg);
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extern
void
stop_grab (
void
* fg);
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extern
unsigned
char
* get_image(
void
* fg);
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extern
int
fg_width(
void
* fg);
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extern
int
fg_height(
void
* fg);
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extern
int
fg_grabdepth(
void
* fg);
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extern
int
fg_imgdepth(
void
* fg);
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#ifdef __cplusplus
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}
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#endif
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#endif
fg_struct::buff_struct
Definition
v4l2.h:51
fg_struct
Definition
v4l2.h:42
image
Definition
camera.h:150
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