1 | /* |
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2 | Phlips webcam driver for V4L 1 |
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3 | Copyright (C) 2005 by Jasem Mutlaq <mutlaqja@ikarustech.com> |
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4 | |
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5 | This library is free software; you can redistribute it and/or |
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6 | modify it under the terms of the GNU Lesser General Public |
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7 | License as published by the Free Software Foundation; either |
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8 | version 2.1 of the License, or (at your option) any later version. |
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9 | |
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10 | This library is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 | Lesser General Public License for more details. |
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14 | |
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15 | You should have received a copy of the GNU Lesser General Public |
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16 | License along with this library; if not, write to the Free Software |
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17 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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18 | |
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19 | */ |
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20 | |
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21 | #include <iostream> |
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22 | |
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23 | #include <sys/ioctl.h> |
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24 | #include <sys/types.h> |
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25 | #include <sys/stat.h> |
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26 | #include <fcntl.h> |
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27 | #include <unistd.h> |
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28 | #include <stdio.h> |
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29 | #include <errno.h> |
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30 | #include <sys/mman.h> |
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31 | #include <string.h> |
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32 | |
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33 | #include "ccvt.h" |
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34 | #include "pwc-ioctl.h" |
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35 | #include "v4l1_pwc.h" |
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36 | #include "../eventloop.h" |
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37 | |
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38 | #define ERRMSG_SIZ 1024 |
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39 | |
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40 | extern int errno; |
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41 | using namespace std; |
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42 | |
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43 | V4L1_PWC::V4L1_PWC() |
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44 | { |
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45 | frameRate=15; |
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46 | fd=-1; |
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47 | streamActive = true; |
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48 | |
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49 | YBuf = NULL; |
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50 | UBuf = NULL; |
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51 | VBuf = NULL; |
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52 | colorBuffer= NULL; |
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53 | buffer_start=NULL; |
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54 | } |
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55 | |
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56 | V4L1_PWC::~V4L1_PWC() |
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57 | { |
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58 | |
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59 | } |
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60 | |
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61 | int V4L1_PWC::connectCam(const char * devpath, char *errmsg) |
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62 | { |
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63 | options= (ioNoBlock|ioUseSelect|haveBrightness|haveContrast|haveColor); |
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64 | struct pwc_probe probe; |
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65 | bool IsPhilips = false; |
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66 | frameRate=15; |
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67 | fd=-1; |
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68 | streamActive = true; |
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69 | buffer_start=NULL; |
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70 | |
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71 | if (-1 == (fd=open(devpath, |
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72 | O_RDONLY | ((options & ioNoBlock) ? O_NONBLOCK : 0)))) { |
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73 | |
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74 | strncpy(errmsg, strerror(errno), 1024); |
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75 | cerr << strerror(errno); |
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76 | return -1; |
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77 | } |
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78 | |
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79 | cerr << "Device opened" << endl; |
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80 | |
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81 | if (fd != -1) { |
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82 | if (-1 == ioctl(fd,VIDIOCGCAP,&capability)) { |
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83 | cerr << "Error: ioctl (VIDIOCGCAP)" << endl; |
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84 | strncpy(errmsg, "ioctl (VIDIOCGCAP)", 1024); |
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85 | return -1; |
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86 | } |
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87 | if (-1 == ioctl (fd, VIDIOCGWIN, &window)) { |
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88 | cerr << "Error: ioctl (VIDIOCGWIN)" << endl; |
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89 | strncpy(errmsg, "ioctl (VIDIOCGWIN)", 1024); |
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90 | return -1; |
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91 | } |
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92 | if (-1 == ioctl (fd, VIDIOCGPICT, &picture_format)) { |
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93 | cerr << "Error: ioctl (VIDIOCGPICT)" << endl; |
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94 | strncpy(errmsg, "ioctl (VIDIOCGPICT)", 1024); |
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95 | return -1; |
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96 | } |
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97 | init(0); |
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98 | } |
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99 | |
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100 | // Check to see if it's really a philips webcam |
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101 | if (ioctl(fd, VIDIOCPWCPROBE, &probe) == 0) |
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102 | { |
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103 | if (!strcmp(capability.name,probe.name)) |
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104 | { |
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105 | IsPhilips = true; |
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106 | type_=probe.type; |
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107 | } |
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108 | } |
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109 | |
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110 | if (IsPhilips) |
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111 | cerr << "Philips webcam type " << type_ << " detected" << endl; |
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112 | else |
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113 | { |
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114 | strncpy(errmsg, "No Philips webcam detected.", 1024); |
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115 | return -1; |
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116 | } |
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117 | |
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118 | cerr << "initial size w:" << window.width << " -- h: " << window.height << endl; |
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119 | |
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120 | |
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121 | mmapInit(); |
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122 | |
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123 | setWhiteBalanceMode(PWC_WB_AUTO, errmsg); |
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124 | multiplicateur_=1; |
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125 | skippedFrame_=0; |
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126 | lastGain_=getGain(); |
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127 | |
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128 | cerr << "All successful, returning\n"; |
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129 | return fd; |
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130 | } |
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131 | |
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132 | void V4L1_PWC::checkSize(int & x, int & y) |
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133 | { |
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134 | if (x>=capability.maxwidth && y >= capability.maxheight) |
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135 | { |
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136 | x=capability.maxwidth; |
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137 | y=capability.maxheight; |
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138 | } else if (x>=352 && y >=288 && type_<700) { |
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139 | x=352;y=288; |
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140 | } else if (x>=320 && y >= 240) { |
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141 | x=320;y=240; |
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142 | } else if (x>=176 && y >=144 && type_<700 ) { |
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143 | x=176;y=144; |
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144 | } else if (x>=160 && y >=120 ) { |
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145 | x=160;y=120; |
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146 | } else { |
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147 | x=capability.minwidth; |
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148 | y=capability.minheight; |
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149 | } |
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150 | } |
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151 | |
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152 | bool V4L1_PWC::setSize(int x, int y) |
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153 | { |
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154 | |
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155 | int oldX, oldY; |
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156 | char msg[ERRMSG_SIZ]; |
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157 | checkSize(x,y); |
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158 | |
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159 | oldX = window.width; |
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160 | oldY = window.height; |
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161 | |
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162 | window.width=x; |
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163 | window.height=y; |
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164 | |
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165 | if (ioctl (fd, VIDIOCSWIN, &window)) |
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166 | { |
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167 | snprintf(msg, ERRMSG_SIZ, "ioctl(VIDIOCSWIN) %s", strerror(errno)); |
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168 | cerr << msg << endl; |
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169 | window.width=oldX; |
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170 | window.height=oldY; |
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171 | return false; |
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172 | } |
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173 | ioctl (fd, VIDIOCGWIN, &window); |
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174 | |
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175 | cerr << "New size is x=" << window.width << " " << "y=" << window.height <<endl; |
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176 | |
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177 | allocBuffers(); |
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178 | |
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179 | return true; |
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180 | } |
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181 | |
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182 | int V4L1_PWC::saveSettings(char *errmsg) |
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183 | { |
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184 | if (ioctl(fd, VIDIOCPWCSUSER)==-1) |
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185 | { |
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186 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCSUSER %s", strerror(errno)); |
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187 | return -1; |
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188 | } |
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189 | |
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190 | return 0; |
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191 | } |
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192 | |
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193 | void V4L1_PWC::restoreSettings() |
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194 | { |
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195 | ioctl(fd, VIDIOCPWCRUSER); |
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196 | getPictureSettings(); |
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197 | } |
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198 | |
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199 | void V4L1_PWC::restoreFactorySettings() |
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200 | { |
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201 | ioctl(fd, VIDIOCPWCFACTORY); |
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202 | getPictureSettings(); |
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203 | } |
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204 | |
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205 | int V4L1_PWC::setGain(int val, char *errmsg) |
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206 | { |
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207 | if(-1==ioctl(fd, VIDIOCPWCSAGC, &val)) |
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208 | { |
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209 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCSAGC %s", strerror(errno)); |
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210 | return -1; |
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211 | } |
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212 | else lastGain_=val; |
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213 | |
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214 | cerr << "setGain "<<val<<endl; |
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215 | |
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216 | return lastGain_; |
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217 | } |
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218 | |
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219 | int V4L1_PWC::getGain() |
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220 | { |
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221 | int gain; |
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222 | char msg[ERRMSG_SIZ]; |
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223 | static int cpt=0; |
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224 | if ((cpt%4)==0) |
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225 | { |
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226 | if (-1==ioctl(fd, VIDIOCPWCGAGC, &gain)) |
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227 | { |
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228 | //perror("VIDIOCPWCGAGC"); |
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229 | snprintf(msg, ERRMSG_SIZ, "VIDIOCPWCGAGC %s", strerror(errno)); |
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230 | cerr << msg << endl; |
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231 | gain=lastGain_; |
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232 | } else |
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233 | { |
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234 | ++cpt; |
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235 | lastGain_=gain; |
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236 | } |
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237 | } else |
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238 | { |
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239 | ++cpt; |
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240 | gain=lastGain_; |
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241 | } |
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242 | //cerr << "get gain "<<gain<<endl; |
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243 | if (gain < 0) gain*=-1; |
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244 | return gain; |
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245 | } |
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246 | |
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247 | int V4L1_PWC::setExposure(int val, char *errmsg) |
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248 | { |
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249 | //cout << "set exposure "<<val<<"\n"; |
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250 | |
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251 | if (-1==ioctl(fd, VIDIOCPWCSSHUTTER, &val)) |
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252 | { |
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253 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCSSHUTTER %s", strerror(errno)); |
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254 | return -1; |
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255 | } |
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256 | |
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257 | return 0; |
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258 | } |
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259 | |
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260 | void V4L1_PWC::setCompression(int val) |
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261 | { |
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262 | ioctl(fd, VIDIOCPWCSCQUAL, &val); |
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263 | } |
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264 | |
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265 | int V4L1_PWC::getCompression() |
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266 | { |
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267 | int gain; |
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268 | ioctl(fd, VIDIOCPWCGCQUAL , &gain); |
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269 | if (gain < 0) gain*=-1; |
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270 | return gain; |
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271 | } |
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272 | |
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273 | int V4L1_PWC::setNoiseRemoval(int val, char *errmsg) |
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274 | { |
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275 | if (-1 == ioctl(fd, VIDIOCPWCSDYNNOISE, &val)) |
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276 | { |
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277 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCGDYNNOISE %s", strerror(errno)); |
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278 | return -1; |
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279 | } |
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280 | |
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281 | return 0; |
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282 | } |
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283 | |
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284 | int V4L1_PWC::getNoiseRemoval() |
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285 | { |
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286 | int gain; |
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287 | char msg[ERRMSG_SIZ]; |
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288 | |
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289 | if (-1 == ioctl(fd, VIDIOCPWCGDYNNOISE , &gain)) |
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290 | { |
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291 | snprintf(msg, ERRMSG_SIZ, "VIDIOCPWCGDYNNOISE %s", strerror(errno)); |
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292 | cerr << msg << endl; |
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293 | } |
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294 | |
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295 | cout <<"get noise = "<<gain<<endl; |
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296 | return gain; |
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297 | } |
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298 | |
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299 | int V4L1_PWC::setSharpness(int val, char *errmsg) |
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300 | { |
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301 | if (-1 == ioctl(fd, VIDIOCPWCSCONTOUR, &val)) |
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302 | { |
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303 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCSCONTOUR %s", strerror(errno)); |
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304 | return -1; |
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305 | } |
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306 | |
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307 | return 0; |
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308 | } |
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309 | |
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310 | int V4L1_PWC::getSharpness() |
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311 | { |
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312 | int gain; |
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313 | char msg[ERRMSG_SIZ]; |
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314 | |
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315 | if (-1 == ioctl(fd, VIDIOCPWCGCONTOUR, &gain)) |
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316 | { |
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317 | snprintf(msg, ERRMSG_SIZ, "VIDIOCPWCGCONTOUR %s", strerror(errno)); |
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318 | cerr << msg << endl; |
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319 | } |
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320 | |
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321 | cout <<"get sharpness = "<<gain<<endl; |
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322 | return gain; |
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323 | } |
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324 | |
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325 | int V4L1_PWC::setBackLight(bool val, char *errmsg) |
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326 | { |
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327 | static int on=1; |
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328 | static int off=0; |
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329 | if (-1 == ioctl(fd,VIDIOCPWCSBACKLIGHT, & val?&on:&off)) |
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330 | { |
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331 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCSBACKLIGHT %s", strerror(errno)); |
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332 | return -1; |
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333 | } |
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334 | |
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335 | return 0; |
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336 | } |
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337 | |
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338 | bool V4L1_PWC::getBackLight() |
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339 | { |
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340 | int val; |
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341 | char msg[ERRMSG_SIZ]; |
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342 | |
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343 | if (-1 == ioctl(fd,VIDIOCPWCGBACKLIGHT, & val)) |
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344 | { |
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345 | snprintf(msg, ERRMSG_SIZ, "VIDIOCPWCSBACKLIGHT %s", strerror(errno)); |
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346 | cerr << msg << endl; |
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347 | } |
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348 | |
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349 | return val !=0; |
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350 | } |
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351 | |
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352 | int V4L1_PWC::setFlicker(bool val, char *errmsg) |
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353 | { |
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354 | static int on=1; |
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355 | static int off=0; |
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356 | if (-1 == ioctl(fd,VIDIOCPWCSFLICKER, val?&on:&off)) |
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357 | { |
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358 | snprintf(errmsg, ERRMSG_SIZ, "VIDIOCPWCSFLICKER %s", strerror(errno)); |
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359 | return -1; |
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360 | } |
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361 | |
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362 | return 0; |
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363 | |
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364 | } |
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365 | |
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366 | bool V4L1_PWC::getFlicker() |
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367 | { |
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368 | int val; |
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369 | char msg[ERRMSG_SIZ]; |
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370 | |
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371 | if (-1 == ioctl(fd,VIDIOCPWCGFLICKER, & val)) |
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372 | { |
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373 | snprintf(msg, ERRMSG_SIZ, "VIDIOCPWCGFLICKER %s", strerror(errno)); |
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374 | cerr << msg << endl; |
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375 | } |
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376 | |
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377 | return val !=0; |
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378 | } |
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379 | |
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380 | void V4L1_PWC::setGama(int val) |
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381 | { |
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382 | picture_format.whiteness=val; |
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383 | setPictureSettings(); |
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384 | } |
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385 | |
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386 | int V4L1_PWC::getGama() |
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387 | { |
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388 | return picture_format.whiteness; |
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389 | } |
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390 | |
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391 | int V4L1_PWC::setFrameRate(int value, char *errmsg) |
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392 | { |
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393 | window.flags = (window.flags & ~PWC_FPS_MASK) | ((value << PWC_FPS_SHIFT) & PWC_FPS_MASK); |
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394 | if (ioctl(fd, VIDIOCSWIN, &window)) |
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395 | { |
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396 | snprintf(errmsg, ERRMSG_SIZ, "setFrameRate %s", strerror(errno)); |
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397 | return -1; |
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398 | } |
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399 | |
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400 | ioctl(fd, VIDIOCGWIN, &window); |
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401 | frameRate = value; |
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402 | |
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403 | return 0; |
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404 | //emit exposureTime(multiplicateur_/(double)getFrameRate()); |
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405 | } |
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406 | |
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407 | int V4L1_PWC::getFrameRate() |
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408 | { |
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409 | return ((window.flags&PWC_FPS_FRMASK)>>PWC_FPS_SHIFT); |
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410 | } |
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411 | |
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412 | int V4L1_PWC::getWhiteBalance() |
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413 | { |
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414 | char msg[ERRMSG_SIZ]; |
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415 | struct pwc_whitebalance tmp_whitebalance; |
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416 | tmp_whitebalance.mode = tmp_whitebalance.manual_red = tmp_whitebalance.manual_blue = tmp_whitebalance.read_red = tmp_whitebalance.read_blue = PWC_WB_AUTO; |
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417 | |
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418 | if (ioctl(fd, VIDIOCPWCGAWB, &tmp_whitebalance)) |
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419 | { |
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420 | snprintf(msg, ERRMSG_SIZ, "getWhiteBalance %s", strerror(errno)); |
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421 | cerr << msg << endl; |
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422 | } |
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423 | else |
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424 | { |
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425 | #if 0 |
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426 | cout << "mode="<<tmp_whitebalance.mode |
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427 | <<" mr="<<tmp_whitebalance.manual_red |
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428 | <<" mb="<<tmp_whitebalance.manual_blue |
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429 | <<" ar="<<tmp_whitebalance.read_red |
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430 | <<" ab="<<tmp_whitebalance.read_blue |
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431 | <<endl; |
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432 | #endif |
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433 | /* manual_red and manual_blue are garbage :-( */ |
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434 | whiteBalanceMode_=tmp_whitebalance.mode; |
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435 | } |
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436 | |
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437 | return whiteBalanceMode_; |
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438 | |
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439 | /*switch(whiteBalanceMode_) { |
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440 | case PWC_WB_INDOOR: |
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441 | setProperty("WhiteBalanceMode","Indor"); |
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442 | break; |
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443 | case PWC_WB_OUTDOOR: |
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444 | setProperty("WhiteBalanceMode","Outdoor"); |
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445 | break; |
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446 | case PWC_WB_FL: |
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447 | setProperty("WhiteBalanceMode","Neon"); |
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448 | break; |
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449 | case PWC_WB_MANUAL: |
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450 | setProperty("WhiteBalanceMode","Manual"); |
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451 | whiteBalanceRed_=tmp_whitebalance.manual_red; |
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452 | whiteBalanceBlue_=tmp_whitebalance.manual_blue; |
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453 | |
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454 | break; |
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455 | case PWC_WB_AUTO: |
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456 | setProperty("WhiteBalanceMode","Auto"); |
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457 | whiteBalanceRed_=tmp_whitebalance.read_red; |
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458 | whiteBalanceBlue_=tmp_whitebalance.read_blue; |
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459 | break; |
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460 | default: |
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461 | setProperty("WhiteBalanceMode","???"); |
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462 | } |
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463 | |
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464 | emit whiteBalanceModeChange(whiteBalanceMode_); |
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465 | |
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466 | if (((whiteBalanceMode_ == PWC_WB_AUTO) && liveWhiteBalance_) |
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467 | || whiteBalanceMode_ != PWC_WB_AUTO) { |
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468 | setProperty("WhiteBalanceRed",whiteBalanceRed_); |
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469 | emit whiteBalanceRedChange(whiteBalanceRed_); |
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470 | setProperty("WhiteBalanceBlue",whiteBalanceBlue_); |
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471 | emit whiteBalanceBlueChange(whiteBalanceBlue_); |
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472 | if (guiBuild()) { |
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473 | remoteCTRLWBred_->show(); |
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474 | remoteCTRLWBblue_->show(); |
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475 | } |
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476 | } else { |
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477 | if (guiBuild()) { |
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478 | remoteCTRLWBred_->hide(); |
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479 | remoteCTRLWBblue_->hide(); |
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480 | } |
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481 | } |
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482 | }*/ |
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483 | } |
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484 | |
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485 | int V4L1_PWC::setWhiteBalance(char *errmsg) |
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486 | { |
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487 | struct pwc_whitebalance wb; |
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488 | wb.mode=whiteBalanceMode_; |
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489 | if (wb.mode == PWC_WB_MANUAL) |
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490 | { |
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491 | wb.manual_red=whiteBalanceRed_; |
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492 | wb.manual_blue=whiteBalanceBlue_; |
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493 | } |
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494 | |
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495 | if (ioctl(fd, VIDIOCPWCSAWB, &wb)) |
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496 | { |
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497 | snprintf(errmsg, ERRMSG_SIZ, "setWhiteBalance %s", strerror(errno)); |
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498 | return -1; |
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499 | } |
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500 | |
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501 | return 0; |
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502 | } |
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503 | |
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504 | int V4L1_PWC::setWhiteBalanceMode(int val, char *errmsg) |
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505 | { |
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506 | if (val == whiteBalanceMode_) |
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507 | return whiteBalanceMode_; |
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508 | |
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509 | if (val != PWC_WB_AUTO) |
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510 | { |
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511 | if ( val != PWC_WB_MANUAL) |
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512 | { |
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513 | whiteBalanceMode_=val; |
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514 | if (setWhiteBalance(errmsg) < 0) |
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515 | return -1; |
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516 | } |
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517 | |
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518 | //whiteBalanceMode_=PWC_WB_AUTO; |
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519 | whiteBalanceMode_= val; |
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520 | if (setWhiteBalance(errmsg) < 0) |
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521 | return -1; |
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522 | getWhiteBalance(); |
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523 | } |
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524 | |
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525 | /*if (guiBuild()) { |
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526 | if (val != PWC_WB_AUTO |
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527 | || ( liveWhiteBalance_ && (val ==PWC_WB_AUTO))) { |
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528 | remoteCTRLWBred_->show(); |
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529 | remoteCTRLWBblue_->show(); |
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530 | } else { |
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531 | remoteCTRLWBred_->hide(); |
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532 | remoteCTRLWBblue_->hide(); |
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533 | } |
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534 | }*/ |
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535 | |
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536 | whiteBalanceMode_=val; |
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537 | if (setWhiteBalance(errmsg) < 0) |
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538 | return -1; |
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539 | getWhiteBalance(); |
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540 | |
---|
541 | return 0; |
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542 | } |
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543 | |
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544 | int V4L1_PWC::setWhiteBalanceRed(int val, char *errmsg) |
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545 | { |
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546 | whiteBalanceMode_ = PWC_WB_MANUAL; |
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547 | whiteBalanceRed_=val; |
---|
548 | if (setWhiteBalance(errmsg) < 0) |
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549 | return -1; |
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550 | |
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551 | return 0; |
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552 | } |
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553 | |
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554 | int V4L1_PWC::setWhiteBalanceBlue(int val, char *errmsg) |
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555 | { |
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556 | whiteBalanceMode_ = PWC_WB_MANUAL; |
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557 | whiteBalanceBlue_=val; |
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558 | if (setWhiteBalance(errmsg) < 0) |
---|
559 | return -1; |
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560 | |
---|
561 | return 0; |
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562 | } |
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563 | |
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