/*
* v4lutils - utility library for Video4Linux
* Copyright (C) 2001-2002 FUKUCHI Kentaro
*
* v4lutils.h: header file
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef __V4LUTILS_H__
#define __V4LUTILS_H__
#include <sys/types.h>
#include <linux/videodev.h>
#include <pthread.h>
/*
* Error message displaying level
*/
#define V4L_PERROR_NONE (0)
#define V4L_PERROR_ALL (1)
/*
* Video4Linux Device Structure
*/
struct _v4ldevice
{
int fd;
struct video_capability capability;
struct video_channel channel[10];
struct video_picture picture;
struct video_clip clip;
struct video_window window;
struct video_capture capture;
struct video_buffer buffer;
struct video_mmap mmap;
struct video_mbuf mbuf;
struct video_unit unit;
unsigned char *map;
pthread_mutex_t mutex;
int frame;
int framestat[2];
int overlay;
};
typedef struct _v4ldevice v4ldevice;
extern int v4lopen(char *, v4ldevice *);
extern int v4lclose(v4ldevice *);
extern int v4lgetcapability(v4ldevice *);
extern int v4lsetdefaultnorm(v4ldevice *, int);
extern int v4lgetsubcapture(v4ldevice *);
extern int v4lsetsubcapture(v4ldevice *, int, int, int, int, int, int);
extern int v4lgetframebuffer(v4ldevice *);
extern int v4lsetframebuffer(v4ldevice *, void *, int, int, int, int);
extern int v4loverlaystart(v4ldevice *);
extern int v4loverlaystop(v4ldevice *);
extern int v4lsetchannel(v4ldevice *, int);
extern int v4lmaxchannel(v4ldevice *);
extern int v4lsetfreq(v4ldevice *,int);
extern int v4lsetchannelnorm(v4ldevice *vd, int, int);
extern int v4lgetpicture(v4ldevice *);
extern int v4lsetpicture(v4ldevice *, int, int, int, int, int);
extern int v4lsetpalette(v4ldevice *, int);
extern int v4lgetmbuf(v4ldevice *);
extern int v4lmmap(v4ldevice *);
extern int v4lmunmap(v4ldevice *);
extern int v4lgrabinit(v4ldevice *, int, int);
extern int v4lgrabstart(v4ldevice *, int);
extern int v4lsync(v4ldevice *, int);
extern int v4llock(v4ldevice *);
extern int v4ltrylock(v4ldevice *);
extern int v4lunlock(v4ldevice *);
extern int v4lsyncf(v4ldevice *);
extern int v4lgrabf(v4ldevice *);
extern unsigned char *v4lgetaddress(v4ldevice *);
extern int v4lreadframe(v4ldevice *, unsigned char *);
extern void v4lprint(v4ldevice *);
extern void v4lseterrorlevel(int);
extern void v4ldebug(int);
#endif /* __V4LUTILS_H__ */