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#if 0
V4L INDI Driver
INDI Interface for V4L devices
Copyright (C) 2003-2005 Jasem Mutlaq (mutlaqja@ikarustech.com)
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 2.1 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
#endif
#ifndef V4L_DRIVER_H
#define V4L_DRIVER_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <math.h>
#include <unistd.h>
#include <time.h>
#include <fcntl.h>
#include <signal.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <zlib.h>
#include <asm/types.h>
#include "indidevapi.h"
#include "indicom.h"
#include "fitsrw.h"
#include "eventloop.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_LINUX_VIDEODEV2_H
#include "webcam/v4l2_base.h"
#else
#include "webcam/v4l1_base.h"
#endif
#define COMM_GROUP "Main Control"
#define IMAGE_CONTROL "Image Control"
#define IMAGE_GROUP "Image Settings"
#define MAX_PIXELS 4096 /* Max number of pixels in one dimension */
#define ERRMSGSIZ 1024
class V4L_Driver
{
public:
V4L_Driver();
virtual ~V4L_Driver();
/* INDI Functions that must be called from indidrivermain */
virtual void ISGetProperties (const char *dev);
virtual void ISNewSwitch (const char *dev, const char *name, ISState *states, char *names[], int n);
virtual void ISNewText (const char *dev, const char *name, char *texts[], char *names[], int n);
virtual void ISNewNumber (const char *dev, const char *name, double values[], char *names[], int n);
virtual void initCamBase();
virtual void initProperties(const char *dev);
static void newFrame(void *p);
void updateFrame();
protected:
/* Structs */
typedef struct {
int width;
int height;
int expose;
unsigned char *Y;
unsigned char *U;
unsigned char *V;
unsigned char *colorBuffer;
unsigned char *compressedFrame;
} img_t;
/* Switches */
ISwitch PowerS[2];
ISwitch StreamS[2];
ISwitch CompressS[2];
ISwitch ImageTypeS[2];
/* Texts */
IText PortT[1];
IText camNameT[1];
/* Numbers */
INumber ExposeTimeN[1];
INumber FrameRateN[1];
INumber FrameN[4];
#ifndef HAVE_LINUX_VIDEODEV2_H
INumber ImageAdjustN[5];
#endif
/* BLOBs */
IBLOB imageB;
/* Switch vectors */
ISwitchVectorProperty PowerSP; /* Connection switch */
ISwitchVectorProperty StreamSP; /* Stream switch */
ISwitchVectorProperty CompressSP; /* Compress stream switch */
ISwitchVectorProperty ImageTypeSP; /* Color or grey switch */
/* Number vectors */
INumberVectorProperty ExposeTimeNP; /* Exposure */
INumberVectorProperty FrameRateNP; /* Frame rate */
INumberVectorProperty FrameNP; /* Stream dimenstion */
INumberVectorProperty ImageAdjustNP; /* Image controls */
/* Text vectors */
ITextVectorProperty PortTP;
ITextVectorProperty camNameTP;
/* BLOB vectors */
IBLOBVectorProperty imageBP; /* Data stream */
/* Initilization functions */
virtual void connectCamera(void);
virtual void getBasicData(void);
/* Stream/FITS functions */
void updateStream();
void uploadFile(const char * filename);
int writeFITS(const char *filename, char errmsg[]);
int grabImage(void);
FITS_HDU_LIST * create_fits_header (FITS_FILE *ofp, uint width, uint height, uint bpp);
/* Helper functions */
int checkPowerN(INumberVectorProperty *np);
int checkPowerS(ISwitchVectorProperty *sp);
int checkPowerT(ITextVectorProperty *tp);
#ifndef HAVE_LINUX_VIDEODEV2_H
virtual void updateV4L1Controls();
V4L1_Base *v4l_base;
#else
virtual void updateV4L2Controls();
V4L2_Base *v4l_base;
#endif
char device_name[MAXINDIDEVICE];
int frameCount; /* For debugging */
double divider; /* For limits */
img_t * V4LFrame; /* Video frame */
};
#endif
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