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94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* v4lutils - utility library for Video4Linux
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* Copyright (C) 2001-2002 FUKUCHI Kentaro
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*
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* v4lutils.h: header file
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __V4LUTILS_H__
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#define __V4LUTILS_H__
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#include <linux/videodev.h>
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/*
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* Error message displaying level
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*/
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#define V4L_PERROR_NONE (0)
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#define V4L_PERROR_ALL (1)
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/*
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* Video4Linux Device Structure
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*/
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struct _v4ldevice
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{
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int fd;
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struct video_capability capability;
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struct video_channel channel[10];
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struct video_picture picture;
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struct video_clip clip;
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struct video_window window;
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struct video_capture capture;
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struct video_buffer buffer;
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struct video_mmap mmap;
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struct video_mbuf mbuf;
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struct video_unit unit;
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unsigned char *map;
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pthread_mutex_t mutex;
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int frame;
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int framestat[2];
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int overlay;
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};
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typedef struct _v4ldevice v4ldevice;
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extern int v4lopen(char *, v4ldevice *);
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extern int v4lclose(v4ldevice *);
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extern int v4lgetcapability(v4ldevice *);
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extern int v4lsetdefaultnorm(v4ldevice *, int);
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extern int v4lgetsubcapture(v4ldevice *);
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extern int v4lsetsubcapture(v4ldevice *, int, int, int, int, int, int);
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extern int v4lgetframebuffer(v4ldevice *);
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extern int v4lsetframebuffer(v4ldevice *, void *, int, int, int, int);
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extern int v4loverlaystart(v4ldevice *);
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extern int v4loverlaystop(v4ldevice *);
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extern int v4lsetchannel(v4ldevice *, int);
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extern int v4lmaxchannel(v4ldevice *);
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extern int v4lsetfreq(v4ldevice *,int);
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extern int v4lsetchannelnorm(v4ldevice *vd, int, int);
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extern int v4lgetpicture(v4ldevice *);
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extern int v4lsetpicture(v4ldevice *, int, int, int, int, int);
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extern int v4lsetpalette(v4ldevice *, int);
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extern int v4lgetmbuf(v4ldevice *);
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extern int v4lmmap(v4ldevice *);
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extern int v4lmunmap(v4ldevice *);
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extern int v4lgrabinit(v4ldevice *, int, int);
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extern int v4lgrabstart(v4ldevice *, int);
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extern int v4lsync(v4ldevice *, int);
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extern int v4llock(v4ldevice *);
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extern int v4ltrylock(v4ldevice *);
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extern int v4lunlock(v4ldevice *);
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extern int v4lsyncf(v4ldevice *);
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extern int v4lgrabf(v4ldevice *);
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extern unsigned char *v4lgetaddress(v4ldevice *);
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extern int v4lreadframe(v4ldevice *, unsigned char *);
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extern void v4lprint(v4ldevice *);
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extern void v4lseterrorlevel(int);
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extern void v4ldebug(int);
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extern char *v4lgetdevicename(v4ldevice *);
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#endif /* __V4LUTILS_H__ */
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