mirror of
https://github.com/game-stop/veejay.git
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112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/*
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* v4lutils - utility library for Video4Linux
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* Copyright (C) 2001 FUKUCHI Kentarou
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*
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* v4lutils.h: header file
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*
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*/
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/* veejay - Linux VeeJay
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* (C) 2002-2004 Niels Elburg <nelburg@looze.net>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __V4LUTILS_H__
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#define __V4LUTILS_H__
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#include <sys/types.h>
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#include <stdint.h>
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#include <linux/videodev.h>
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#include <pthread.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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//#define V4L_DEBUG 0
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/*
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* Video4Linux Device Structure
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*/
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#define DEFAULT_VIDEO_DEVICE "/dev/video"
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typedef struct {
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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 norm;
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int frame;
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int framestat[2];
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int overlay;
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int preferred_palette;
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} v4ldevice;
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int v4lopen(char *, v4ldevice *);
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int v4lopenvloopback(char *name, v4ldevice * vd, int palette);
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int v4lclose(v4ldevice *);
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int v4lgetcapability(v4ldevice *);
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int v4lsetdefaultnorm(v4ldevice *, int);
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int v4lgetsubcapture(v4ldevice *);
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int v4lsetsubcapture(v4ldevice *, int, int, int, int, int, int);
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int v4lgetframebuffer(v4ldevice *);
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int v4lsetframebuffer(v4ldevice *, void *, int, int, int, int);
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int v4loverlaystart(v4ldevice *);
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int v4loverlaystop(v4ldevice *);
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int v4lsetchannel(v4ldevice *, int);
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int v4lmaxchannel(v4ldevice *);
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int v4lcancapture(v4ldevice *);
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int v4lhastuner(v4ldevice *);
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int v4lhasdoublebuffer(v4ldevice *);
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int v4lgetbrightness(v4ldevice *);
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int v4lgethue(v4ldevice *);
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int v4lgetcolor(v4ldevice *);
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int v4lgetcontrast(v4ldevice *);
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int v4lsetcontinuous(v4ldevice *);
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int v4lstopcontinuous(v4ldevice *);
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int v4lsetfreq(v4ldevice *, int);
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int v4lsetchannelnorm(v4ldevice * vd, int, int);
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int v4lgetpicture(v4ldevice *);
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int v4lsetpicture(v4ldevice *, int, int, int, int, int);
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int v4lsetpalette(v4ldevice *, int);
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int v4lgetmbuf(v4ldevice *);
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int v4lmmap(v4ldevice *);
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int v4lmunmap(v4ldevice *);
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int v4lgrabinit(v4ldevice *, int, int);
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int v4lgrabstart(v4ldevice *, int);
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int v4lsync(v4ldevice *, int);
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int v4llock(v4ldevice *);
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int v4ltrylock(v4ldevice *);
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int v4lunlock(v4ldevice *);
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int v4lsyncf(v4ldevice *);
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int v4lgrabf(v4ldevice *);
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uint8_t *v4lgetaddress(v4ldevice *);
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int v4lreadframe(v4ldevice *, uint8_t *, int, int);
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void v4lprint(v4ldevice *);
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#endif /* __V4LUTILS_H__ */
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