88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
/*
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* Connectix QuickCam parallel-port camera video capture driver.
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* Copyright (c) 1996, Paul Traina.
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*
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* This driver is based in part on work
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* Copyright (c) 1996, Thomas Davis.
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*
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* QuickCam(TM) is a registered trademark of Connectix Inc.
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* Use this driver at your own risk, it is not warranted by
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* Connectix or the authors.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* NOTE: this file contains the sole public interface between the driver
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* and user applications. Every effort should be made to retain comaptibility
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* with the decided upon standard interface shared between Linux and
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* FreeBSD. Currently, FreeBSD uses a different (richer) interface than
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* the Linux.
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*
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* WARNING WARNING: The contents of this structure is in flux,
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* recompile often, the driver will change the version
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* number when the interface changes for now...
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*/
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#ifndef _QUICKCAM_H
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#define _QUICKCAM_H 1
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#ifndef _IOR
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/* SCO doesn't have _IOR/_IOW for ioctls, so fake it out to keep things clean*/
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#define _IOR(cat, func, data) (((cat) << 8) | (func))
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#define _IOW(cat, func, data) (((cat) << 8) | (func))
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#endif
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/*
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* ioctls
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*/
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#define QC_GET _IOR('S', 1, struct qcam) /* get parameter structure */
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#define QC_SET _IOW('S', 2, struct qcam) /* set parameter structure */
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#define QC_IOCTL_VERSION 3 /* version of the structure */
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struct qcam {
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int qc_version; /* version of qcam structure */
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int qc_xsize; /* size in pixels */
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int qc_ysize; /* size in pixels */
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int qc_xorigin; /* x origin */
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int qc_yorigin; /* y origin */
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int qc_bpp; /* bits per pixel (4 or 6) */
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int qc_zoom; /* zoom mode */
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int qc_exposure; /* length of exposure */
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u_char qc_brightness; /* 0..255 */
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u_char qc_whitebalance; /* 0..255 */
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u_char qc_contrast; /* 0..255 */
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};
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#define QC_MAX_XSIZE 320 /* pixels */
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#define QC_MAX_YSIZE 240 /* pixels */
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/*
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* zoom flags
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*/
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#define QC_ZOOM_100 0x00 /* no zoom */
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#define QC_ZOOM_150 0x01 /* 1.5x */
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#define QC_ZOOM_200 0x02 /* 2.0x */
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#endif
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