1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY v4l-download-http "https://www.linuxtv.org/downloads/v4l-utils/v4l-utils-&v4l-utils-version;.tar.xz">
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8 | <!ENTITY v4l-download-ftp " ">
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9 | <!ENTITY v4l-md5sum "a3565a8ccc427dcce52845c2b8880c28">
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10 | <!ENTITY v4l-size "1.2 MB">
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11 | <!ENTITY v4l-buildsize "32 MB">
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12 | <!ENTITY v4l-time "1.1 SBU (using parallelism=4)">
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13 | ]>
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14 |
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15 | <sect1 id="v4l-utils" xreflabel="v4l-utils-&v4l-utils-version;">
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16 | <?dbhtml filename="v4l-utils.html" ?>
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17 |
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18 |
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19 | <title>v4l-utils-&v4l-utils-version;</title>
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20 |
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21 | <indexterm zone="v4l-utils">
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22 | <primary sortas="a-v4l-utils">v4l-utils</primary>
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23 | </indexterm>
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24 |
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25 | <sect2 role="package">
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26 | <title>Introduction to v4l-utils</title>
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27 |
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28 | <para>
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29 | <application>v4l-utils</application> provides a series of utilities for
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30 | media devices, allowing the ability to handle the proprietary formats
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31 | available from most webcams (libv4l), and providing tools to test V4L devices.
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32 | </para>
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33 |
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34 | &lfs120_checked;
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35 |
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36 | <bridgehead renderas="sect3">Package Information</bridgehead>
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37 | <itemizedlist spacing="compact">
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38 | <listitem>
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39 | <para>
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40 | Download (HTTP): <ulink url="&v4l-download-http;"/>
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41 | </para>
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42 | </listitem>
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43 | <listitem>
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44 | <para>
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45 | Download (FTP): <ulink url="&v4l-download-ftp;"/>
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46 | </para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>
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50 | Download MD5 sum: &v4l-md5sum;
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51 | </para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>
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55 | Download size: &v4l-size;
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56 | </para>
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57 | </listitem>
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58 | <listitem>
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59 | <para>
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60 | Estimated disk space required: &v4l-buildsize;
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61 | </para>
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62 | </listitem>
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63 | <listitem>
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64 | <para>
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65 | Estimated build time: &v4l-time;
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66 | </para>
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67 | </listitem>
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68 | </itemizedlist>
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69 | <!--
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70 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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71 | <itemizedlist>
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72 | <listitem>
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73 | <para>
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74 | Required patch:
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75 | <ulink url="&patch-root;/v4l-utils-&v4l-utils-version;-upstream_fixes-1.patch"/>
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76 | </para>
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77 | </listitem>
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78 | </itemizedlist>
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79 | -->
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80 | <bridgehead renderas="sect3">v4l-utils Dependencies</bridgehead>
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81 |
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82 | <bridgehead renderas="sect4">Recommended</bridgehead>
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83 | <para role="recommended">
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84 | <xref linkend="alsa-lib"/>,
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85 | <xref linkend="glu"/>,
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86 | <xref linkend="libjpeg"/>, and
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87 | &qt5-deps;
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88 | </para>
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89 |
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90 | <bridgehead renderas="sect4">Optional</bridgehead>
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91 | <para role="optional">
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92 | <xref linkend="doxygen"/>,
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93 | <xref linkend="sdl2"/>,
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94 | both <xref linkend="llvm"/> (with Clang and target BPF)
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95 | and <ulink url='https://github.com/libbpf/libbpf'>libbpf</ulink>
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96 | (for infrared remote control decoders based on BPF), and
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97 | <ulink url="https://github.com/libsdl-org/SDL_image">SDL_image</ulink>
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98 | </para>
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99 |
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100 | </sect2>
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101 |
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102 | <sect2 role="installation">
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103 | <title>Installation of v4l-utils</title>
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104 |
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105 | <note>
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106 | <para>
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107 | If you've installed both LLVM and libbpf (not in BLFS), either
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108 | enable the BPF target (via
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109 | <option>-DLLVM_TARGETS_TO_BUILD=</option>) building LLVM, or disable
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110 | the infrared remote control decoders based on BPF:
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111 | </para>
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112 |
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113 | <!-- not "nodump" because it's harmless for BLFS anyway -->
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114 | <screen><userinput>sed '/^ir_bpf_enabled/s/=.*/= false/' \
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115 | -i utils/keytable/meson.build</userinput></screen>
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116 | </note>
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117 |
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118 | <para>
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119 | Install <application>v4l-utils</application> by running
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120 | the following commands:
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121 | </para>
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122 |
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123 | <screen><userinput>mkdir build &&
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124 | cd build &&
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125 |
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126 | meson setup --prefix=/usr \
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127 | -Ddoxygen-doc=disabled \
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128 | -Dgconv=disabled \
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129 | --buildtype=release .. &&
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130 | ninja</userinput></screen>
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131 |
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132 |
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133 | <para>
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134 | This package does not come with a test suite.
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135 | </para>
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136 |
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137 | <para>
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138 | Now, as the <systemitem class="username">root</systemitem> user:
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139 | </para>
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140 |
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141 | <screen role="root"><userinput>ninja install</userinput></screen>
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142 |
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143 | <para>
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144 | If you also wish to install the contrib programs, add:
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145 | </para>
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146 |
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147 | <screen role="root"><userinput>for prog in v4l2gl v4l2grab
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148 | do
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149 | cp -v contrib/test/$prog /usr/bin
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150 | done</userinput></screen>
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151 |
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152 |
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153 | </sect2>
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154 |
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155 | <sect2 role="commands">
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156 | <title>Command Explanations</title>
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157 |
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158 | <para>
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159 | <parameter>-Dgconv=disabled</parameter>: This switch disables
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160 | the erroneous installation of gconv-modules that would break glibc.
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161 | </para>
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162 |
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163 | </sect2>
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164 |
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165 |
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166 | <sect2 role="content">
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167 | <title>Contents</title>
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168 |
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169 | <segmentedlist>
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170 | <segtitle>Installed Programs</segtitle>
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171 | <segtitle>Installed Library</segtitle>
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172 | <segtitle>Installed Directories</segtitle>
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173 |
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174 | <seglistitem>
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175 | <seg>
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176 | cec-compliance,
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177 | cec-ctl,
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178 | cec-follower,
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179 | cx18-ctl,
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180 | decode_tm6000,
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181 | dvb-fe-tool,
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182 | dvb-format-convert,
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183 | dvbv5-daemon,
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184 | dvbv5-scan,
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185 | dvbv5-zap,
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186 | ir-ctl,
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187 | ir-keytable,
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188 | ivtv-ctl,
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189 | media-ctl,
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190 | qv4l2,
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191 | qvidcap,
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192 | rds-ctl,
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193 | v4l2-compliance,
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194 | v4l2-ctl,
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195 | v4l2-dbg,
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196 | v4l2gl,
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197 | v4l2grab, and
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198 | v4l2-sysfs-path
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199 | </seg>
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200 | <seg>
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201 | libdvbv5.so,
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202 | libv4l1.so,
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203 | libv4l2.so,
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204 | libv4l2rds.so,
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205 | libv4lconvert.so,
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206 | v4l1compat.so, and
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207 | v4l2convert.so
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208 | </seg>
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209 | <seg>
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210 | /etc/rc_keymaps,
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211 | /lib/udev/rc_keymaps,
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212 | /usr/include/libdvbv5, and
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213 | /usr/lib/libv4l
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214 | </seg>
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215 | </seglistitem>
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216 | </segmentedlist>
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217 |
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218 | <variablelist>
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219 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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220 | <?dbfo list-presentation="list"?>
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221 | <?dbhtml list-presentation="table"?>
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222 |
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223 | <varlistentry id="cx18-ctl">
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224 | <term><command>cx18-ctl</command></term>
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225 | <listitem>
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226 | <para>
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227 | is a tool to handle cx18 based devices
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228 | </para>
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229 | <indexterm zone="v4l-utils cx18-ctl">
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230 | <primary sortas="b-cx18-ctl">cx18-ctl</primary>
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231 | </indexterm>
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232 | </listitem>
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233 | </varlistentry>
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234 |
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235 | <varlistentry id="decode_tm6000">
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236 | <term><command>decode_tm6000</command></term>
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237 | <listitem>
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238 | <para>
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239 | decodes multiplexed formats from TM5600/TM6000 USB devices
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240 | </para>
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241 | <indexterm zone="v4l-utils decode_tm6000">
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242 | <primary sortas="b-decode_tm6000">decode_tm6000</primary>
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243 | </indexterm>
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244 | </listitem>
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245 | </varlistentry>
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246 |
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247 | <varlistentry id="dvb-fe-tool">
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248 | <term><command>dvb-fe-tool</command></term>
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249 | <listitem>
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250 | <para>
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251 | is a command line tool for digital TV services
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252 | </para>
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253 | <indexterm zone="v4l-utils dvb-fe-tool">
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254 | <primary sortas="b-dvb-fe-tool">dvb-fe-tool</primary>
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255 | </indexterm>
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256 | </listitem>
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257 | </varlistentry>
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258 |
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259 | <varlistentry id="dvb-format-convert">
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260 | <term><command>dvb-format-convert</command></term>
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261 | <listitem>
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262 | <para>
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263 | is a tool meant to convert among different file formats. It is
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264 | compliant with version 5 of the DVB API
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265 | </para>
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266 | <indexterm zone="v4l-utils dvb-format-convert">
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267 | <primary sortas="b-dvb-format-convert">dvb-format-convert</primary>
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268 | </indexterm>
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269 | </listitem>
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270 | </varlistentry>
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271 |
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272 | <varlistentry id="dvbv5-scan">
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273 | <term><command>dvbv5-scan</command></term>
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274 | <listitem>
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275 | <para>
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276 | is a command line frequency scanning tool for digital TV
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277 | services that are compliant with version 5 of the DVB API
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278 | </para>
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279 | <indexterm zone="v4l-utils dvbv5-scan">
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280 | <primary sortas="b-dvbv5-scan">dvbv5-scan</primary>
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281 | </indexterm>
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282 | </listitem>
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283 | </varlistentry>
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284 |
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285 | <varlistentry id="dvbv5-zap">
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286 | <term><command>dvbv5-zap</command></term>
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287 | <listitem>
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288 | <para>
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289 | is a command line tuning tool for digital TV services
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290 | that is compliant with version 5 of the DVB API
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291 | </para>
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292 | <indexterm zone="v4l-utils dvbv5-zap">
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293 | <primary sortas="b-dvbv5-zap">dvbv5-zap</primary>
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294 | </indexterm>
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295 | </listitem>
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296 | </varlistentry>
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297 |
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298 | <varlistentry id="ir-keytable">
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299 | <term><command>ir-keytable</command></term>
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300 | <listitem>
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301 | <para>
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302 | is a tool that lists the Remote Controller devices, allows one
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303 | to get/set IR keycode/scancode tables, test events generated by
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304 | IR, and to adjust other Remote Controller options
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305 | </para>
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306 | <indexterm zone="v4l-utils ir-keytable">
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307 | <primary sortas="b-ir-keytable">ir-keytable</primary>
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308 | </indexterm>
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309 | </listitem>
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310 | </varlistentry>
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311 |
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312 | <varlistentry id="ivtv-ctl">
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313 | <term><command>ivtv-ctl</command></term>
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314 | <listitem>
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315 | <para>
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316 | is a utility that can control many card settings, like changing
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317 | the inputs from tuner to svideo or composite, setting video
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318 | resolution or changing video mode (PAL, SECAM, NTSC)
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319 | </para>
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320 | <indexterm zone="v4l-utils ivtv-ctl">
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321 | <primary sortas="b-ivtv-ctl">ivtv-ctl</primary>
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322 | </indexterm>
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323 | </listitem>
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324 | </varlistentry>
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325 |
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326 | <varlistentry id="media-ctl">
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327 | <term><command>media-ctl</command></term>
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328 | <listitem>
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329 | <para>
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330 | is a utility used to configure V4L2 devices
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331 | </para>
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332 | <indexterm zone="v4l-utils media-ctl">
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333 | <primary sortas="b-media-ctl">media-ctl</primary>
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334 | </indexterm>
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335 | </listitem>
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336 | </varlistentry>
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337 |
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338 | <varlistentry id="qv4l2">
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339 | <term><command>qv4l2</command></term>
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340 | <listitem>
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341 | <para>
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342 | is used to test video4linux capture devices
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343 | </para>
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344 | <indexterm zone="v4l-utils qv4l2">
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345 | <primary sortas="b-qv4l2">qv4l2</primary>
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346 | </indexterm>
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347 | </listitem>
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348 | </varlistentry>
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349 |
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350 | <varlistentry id="qvidcap">
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351 | <term><command>qvidcap</command></term>
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352 | <listitem>
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353 | <para>
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354 | is used to capture video from a V4L2 device
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355 | </para>
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356 | <indexterm zone="v4l-utils qvidcap">
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357 | <primary sortas="b-qvidcap">qvidcap</primary>
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358 | </indexterm>
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359 | </listitem>
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360 | </varlistentry>
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361 |
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362 | <varlistentry id="rds-ctl">
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363 | <term><command>rds-ctl</command></term>
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364 | <listitem>
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365 | <para>
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366 | is a utility for decoding raw RDS data from V4L2 Radio devices
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367 | and offers simple ways to access the received RDS information
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368 | </para>
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369 | <indexterm zone="v4l-utils rds-ctl">
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370 | <primary sortas="b-rds-ctl">rds-ctl</primary>
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371 | </indexterm>
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372 | </listitem>
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373 | </varlistentry>
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374 |
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375 | <varlistentry id="v4l2-compliance">
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376 | <term><command>v4l2-compliance</command></term>
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377 | <listitem>
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378 | <para>
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379 | is a compliance test tool
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380 | </para>
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381 | <indexterm zone="v4l-utils v4l2-compliance">
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382 | <primary sortas="b-v4l2-compliance">v4l2-compliance</primary>
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383 | </indexterm>
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384 | </listitem>
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385 | </varlistentry>
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386 |
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387 | <varlistentry id="v4l2-ctl">
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388 | <term><command>v4l2-ctl</command></term>
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389 | <listitem>
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390 | <para>
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391 | is a tool to control v4l2 controls from the cmdline
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392 | </para>
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393 | <indexterm zone="v4l-utils v4l2-ctl">
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394 | <primary sortas="b-v4l2-ctl">v4l2-ctl</primary>
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395 | </indexterm>
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396 | </listitem>
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397 | </varlistentry>
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398 |
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399 | <varlistentry id="v4l2-dbg">
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400 | <term><command>v4l2-dbg</command></term>
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401 | <listitem>
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402 | <para>
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403 | is a tool to directly get and set registers of v4l2 devices
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404 | </para>
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405 | <indexterm zone="v4l-utils v4l2-dbg">
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406 | <primary sortas="b-v4l2-dbg">v4l2-dbg</primary>
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407 | </indexterm>
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408 | </listitem>
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409 | </varlistentry>
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410 |
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411 | <varlistentry id="v4l2gl">
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412 | <term><command>v4l2gl</command></term>
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413 | <listitem>
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414 | <para>
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415 | captures images using libv4l and stores them as PPM files
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416 | </para>
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417 | <indexterm zone="v4l-utils v4l2gl">
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418 | <primary sortas="b-v4l2gl">v4l2gl</primary>
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419 | </indexterm>
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420 | </listitem>
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421 | </varlistentry>
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422 |
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423 | <varlistentry id="v4l2grab">
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424 | <term><command>v4l2grab</command></term>
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425 | <listitem>
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426 | <para>
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427 | captures images using libv4l and stores them as PPM files, while
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428 | also allowing for additional options such as setting the amount of
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429 | frames captured and saving the file as a RAW file
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430 | </para>
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431 | <indexterm zone="v4l-utils v4l2grab">
|
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432 | <primary sortas="b-v4l2grab">v4l2grab</primary>
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433 | </indexterm>
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434 | </listitem>
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435 | </varlistentry>
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436 |
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437 | <varlistentry id="v4l2-sysfs-path">
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438 | <term><command>v4l2-sysfs-path</command></term>
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439 | <listitem>
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440 | <para>
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441 | checks the media devices installed on a machine and the
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442 | corresponding device nodes
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443 | </para>
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444 | <indexterm zone="v4l-utils v4l2-sysfs-path">
|
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445 | <primary sortas="b-v4l2-sysfs-path">v4l2-sysfs-path</primary>
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446 | </indexterm>
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447 | </listitem>
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448 | </varlistentry>
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449 |
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450 | </variablelist>
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451 |
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452 | </sect2>
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453 |
|
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454 | </sect1>
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