/usr/include/linux/meye.h is in linux-libc-dev 4.9.144-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Motion Eye video4linux driver for Sony Vaio PictureBook
*
* Copyright (C) 2001-2003 Stelian Pop <stelian@popies.net>
*
* Copyright (C) 2001-2002 Alcôve <www.alcove.com>
*
* Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
*
* Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
*
* Some parts borrowed from various video4linux drivers, especially
* bttv-driver.c and zoran.c, see original files for credits.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _MEYE_H_
#define _MEYE_H_
/****************************************************************************/
/* Private API for handling mjpeg capture / playback. */
/****************************************************************************/
struct meye_params {
unsigned char subsample;
unsigned char quality;
unsigned char sharpness;
unsigned char agc;
unsigned char picture;
unsigned char framerate;
};
/* query the extended parameters */
#define MEYEIOC_G_PARAMS _IOR ('v', BASE_VIDIOC_PRIVATE+0, struct meye_params)
/* set the extended parameters */
#define MEYEIOC_S_PARAMS _IOW ('v', BASE_VIDIOC_PRIVATE+1, struct meye_params)
/* queue a buffer for mjpeg capture */
#define MEYEIOC_QBUF_CAPT _IOW ('v', BASE_VIDIOC_PRIVATE+2, int)
/* sync a previously queued mjpeg buffer */
#define MEYEIOC_SYNC _IOWR('v', BASE_VIDIOC_PRIVATE+3, int)
/* get a still uncompressed snapshot */
#define MEYEIOC_STILLCAPT _IO ('v', BASE_VIDIOC_PRIVATE+4)
/* get a jpeg compressed snapshot */
#define MEYEIOC_STILLJCAPT _IOR ('v', BASE_VIDIOC_PRIVATE+5, int)
/* V4L2 private controls */
#define V4L2_CID_MEYE_AGC (V4L2_CID_USER_MEYE_BASE + 0)
#define V4L2_CID_MEYE_PICTURE (V4L2_CID_USER_MEYE_BASE + 1)
#define V4L2_CID_MEYE_FRAMERATE (V4L2_CID_USER_MEYE_BASE + 2)
#endif
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