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      1 /*
      2  * Motion Eye video4linux driver for Sony Vaio PictureBook
      3  *
      4  * Copyright (C) 2001-2003 Stelian Pop <stelian (at) popies.net>
      5  *
      6  * Copyright (C) 2001-2002 Alcve <www.alcove.com>
      7  *
      8  * Copyright (C) 2000 Andrew Tridgell <tridge (at) valinux.com>
      9  *
     10  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
     11  *
     12  * Some parts borrowed from various video4linux drivers, especially
     13  * bttv-driver.c and zoran.c, see original files for credits.
     14  *
     15  * This program is free software; you can redistribute it and/or modify
     16  * it under the terms of the GNU General Public License as published by
     17  * the Free Software Foundation; either version 2 of the License, or
     18  * (at your option) any later version.
     19  *
     20  * This program is distributed in the hope that it will be useful,
     21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     23  * GNU General Public License for more details.
     24  *
     25  * You should have received a copy of the GNU General Public License
     26  * along with this program; if not, write to the Free Software
     27  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
     28  */
     29 
     30 #ifndef _MEYE_H_
     31 #define _MEYE_H_
     32 
     33 /****************************************************************************/
     34 /* Private API for handling mjpeg capture / playback.                       */
     35 /****************************************************************************/
     36 
     37 struct meye_params {
     38 	unsigned char subsample;
     39 	unsigned char quality;
     40 	unsigned char sharpness;
     41 	unsigned char agc;
     42 	unsigned char picture;
     43 	unsigned char framerate;
     44 };
     45 
     46 /* query the extended parameters */
     47 #define MEYEIOC_G_PARAMS	_IOR ('v', BASE_VIDIOC_PRIVATE+0, struct meye_params)
     48 /* set the extended parameters */
     49 #define MEYEIOC_S_PARAMS	_IOW ('v', BASE_VIDIOC_PRIVATE+1, struct meye_params)
     50 /* queue a buffer for mjpeg capture */
     51 #define MEYEIOC_QBUF_CAPT	_IOW ('v', BASE_VIDIOC_PRIVATE+2, int)
     52 /* sync a previously queued mjpeg buffer */
     53 #define MEYEIOC_SYNC		_IOWR('v', BASE_VIDIOC_PRIVATE+3, int)
     54 /* get a still uncompressed snapshot */
     55 #define MEYEIOC_STILLCAPT	_IO  ('v', BASE_VIDIOC_PRIVATE+4)
     56 /* get a jpeg compressed snapshot */
     57 #define MEYEIOC_STILLJCAPT	_IOR ('v', BASE_VIDIOC_PRIVATE+5, int)
     58 
     59 /* V4L2 private controls */
     60 #define V4L2_CID_MEYE_AGC		(V4L2_CID_USER_MEYE_BASE + 0)
     61 #define V4L2_CID_MEYE_PICTURE		(V4L2_CID_USER_MEYE_BASE + 1)
     62 #define V4L2_CID_MEYE_FRAMERATE		(V4L2_CID_USER_MEYE_BASE + 2)
     63 
     64 #endif
     65