1 | #if 0 |
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2 | V4L INDI Driver |
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3 | INDI Interface for V4L devices |
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4 | Copyright (C) 2003-2005 Jasem Mutlaq (mutlaqja@ikarustech.com) |
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5 | |
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6 | This library is free software; you can redistribute it and/or |
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7 | modify it under the terms of the GNU Lesser General Public |
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8 | License as published by the Free Software Foundation; either |
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9 | version 2.1 of the License, or (at your option) any later version. |
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10 | |
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11 | This library is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | Lesser General Public License for more details. |
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15 | |
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16 | You should have received a copy of the GNU Lesser General Public |
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17 | License along with this library; if not, write to the Free Software |
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18 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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19 | |
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20 | #endif |
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21 | |
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22 | #ifndef V4L_DRIVER_H |
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23 | #define V4L_DRIVER_H |
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24 | |
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25 | #include <stdio.h> |
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26 | #include <stdlib.h> |
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27 | #include <string.h> |
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28 | #include <stdarg.h> |
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29 | #include <math.h> |
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30 | #include <unistd.h> |
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31 | #include <time.h> |
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32 | #include <fcntl.h> |
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33 | #include <signal.h> |
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34 | #include <errno.h> |
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35 | #include <sys/stat.h> |
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36 | #include <sys/time.h> |
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37 | #include <sys/types.h> |
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38 | #include <sys/socket.h> |
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39 | #include <netinet/in.h> |
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40 | #include <netdb.h> |
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41 | #include <zlib.h> |
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42 | #include <asm/types.h> |
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43 | |
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44 | #include "indidevapi.h" |
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45 | #include "indicom.h" |
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46 | #include <fitsio.h> |
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47 | #include "eventloop.h" |
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48 | |
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49 | #include <config.h> |
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50 | |
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51 | #ifdef HAVE_LINUX_VIDEODEV2_H |
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52 | #include "webcam/v4l2_base.h" |
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53 | #else |
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54 | #include "webcam/v4l1_base.h" |
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55 | #endif |
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56 | |
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57 | #define COMM_GROUP "Main Control" |
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58 | #define IMAGE_CONTROL "Image Control" |
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59 | #define IMAGE_GROUP "Image Settings" |
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60 | |
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61 | #define MAX_PIXELS 4096 /* Max number of pixels in one dimension */ |
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62 | #define ERRMSGSIZ 1024 |
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63 | |
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64 | #define TEMPFILE_LEN 16 |
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65 | |
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66 | |
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67 | class V4L_Driver |
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68 | { |
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69 | public: |
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70 | V4L_Driver(); |
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71 | virtual ~V4L_Driver(); |
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72 | |
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73 | /* INDI Functions that must be called from indidrivermain */ |
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74 | virtual void ISGetProperties (const char *dev); |
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75 | virtual void ISNewSwitch (const char *dev, const char *name, ISState *states, char *names[], int n); |
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76 | virtual void ISNewText (const char *dev, const char *name, char *texts[], char *names[], int n); |
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77 | virtual void ISNewNumber (const char *dev, const char *name, double values[], char *names[], int n); |
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78 | |
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79 | virtual void initCamBase(); |
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80 | virtual void initProperties(const char *dev); |
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81 | |
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82 | static void newFrame(void *p); |
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83 | void updateFrame(); |
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84 | |
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85 | protected: |
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86 | |
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87 | /* Structs */ |
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88 | typedef struct { |
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89 | int width; |
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90 | int height; |
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91 | int expose; |
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92 | unsigned char *Y; |
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93 | unsigned char *U; |
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94 | unsigned char *V; |
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95 | unsigned char *colorBuffer; |
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96 | unsigned char *compressedFrame; |
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97 | } img_t; |
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98 | |
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99 | |
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100 | /* Switches */ |
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101 | ISwitch PowerS[2]; |
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102 | ISwitch StreamS[2]; |
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103 | ISwitch CompressS[2]; |
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104 | ISwitch ImageTypeS[2]; |
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105 | |
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106 | /* Texts */ |
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107 | IText PortT[1]; |
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108 | IText camNameT[1]; |
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109 | |
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110 | /* Numbers */ |
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111 | INumber ExposeTimeN[1]; |
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112 | INumber FrameRateN[1]; |
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113 | INumber FrameN[4]; |
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114 | #ifndef HAVE_LINUX_VIDEODEV2_H |
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115 | INumber ImageAdjustN[5]; |
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116 | #endif |
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117 | |
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118 | /* BLOBs */ |
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119 | IBLOB imageB; |
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120 | |
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121 | /* Switch vectors */ |
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122 | ISwitchVectorProperty PowerSP; /* Connection switch */ |
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123 | ISwitchVectorProperty StreamSP; /* Stream switch */ |
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124 | ISwitchVectorProperty CompressSP; /* Compress stream switch */ |
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125 | ISwitchVectorProperty ImageTypeSP; /* Color or grey switch */ |
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126 | |
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127 | /* Number vectors */ |
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128 | INumberVectorProperty ExposeTimeNP; /* Exposure */ |
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129 | INumberVectorProperty FrameRateNP; /* Frame rate */ |
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130 | INumberVectorProperty FrameNP; /* Stream dimenstion */ |
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131 | INumberVectorProperty ImageAdjustNP; /* Image controls */ |
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132 | |
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133 | /* Text vectors */ |
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134 | ITextVectorProperty PortTP; |
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135 | ITextVectorProperty camNameTP; |
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136 | |
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137 | /* BLOB vectors */ |
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138 | IBLOBVectorProperty imageBP; /* Data stream */ |
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139 | |
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140 | /* Initilization functions */ |
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141 | virtual void connectCamera(void); |
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142 | virtual void getBasicData(void); |
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143 | |
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144 | /* Stream/FITS functions */ |
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145 | void updateStream(); |
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146 | void uploadFile(const char * filename); |
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147 | int writeFITS(const char *filename, char errmsg[]); |
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148 | int grabImage(void); |
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149 | void addFITSKeywords(fitsfile *fptr); |
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150 | void allocateBuffers(); |
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151 | void releaseBuffers(); |
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152 | |
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153 | /* Helper functions */ |
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154 | int checkPowerN(INumberVectorProperty *np); |
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155 | int checkPowerS(ISwitchVectorProperty *sp); |
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156 | int checkPowerT(ITextVectorProperty *tp); |
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157 | |
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158 | #ifndef HAVE_LINUX_VIDEODEV2_H |
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159 | virtual void updateV4L1Controls(); |
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160 | V4L1_Base *v4l_base; |
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161 | #else |
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162 | virtual void updateV4L2Controls(); |
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163 | V4L2_Base *v4l_base; |
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164 | #endif |
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165 | |
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166 | char device_name[MAXINDIDEVICE]; |
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167 | unsigned char *fitsData; /* Buffer to hold the FITS file */ |
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168 | int frameCount; /* For debugging */ |
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169 | double divider; /* For limits */ |
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170 | img_t * V4LFrame; /* Video frame */ |
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171 | |
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172 | time_t capture_start; /* To calculate how long a frame take */ |
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173 | time_t capture_end; |
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174 | |
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175 | }; |
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176 | |
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177 | #endif |
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