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 "0ccb2a18e1d3a3b2986591753a2b3a7f">
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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 to handle the proprietary formats available at
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31 | 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"/>, and
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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)
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97 | </para>
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98 |
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99 | </sect2>
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100 |
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101 | <sect2 role="installation">
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102 | <title>Installation of v4l-utils</title>
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103 |
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104 | <note>
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105 | <para>
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106 | If you've installed both LLVM and libbpf (not in BLFS), either
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107 | enable the BPF target (via
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108 | <option>-DLLVM_TARGETS_TO_BUILD=</option>) building LLVM, or disable
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109 | the infrared remote control decoders based on BPF:
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110 | </para>
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111 |
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112 | <!-- not "nodump" because it's harmless for BLFS anyway -->
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113 | <screen><userinput>sed '/^ir_bpf_enabled/s/=.*/= false/' \
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114 | -i utils/keytable/meson.build</userinput></screen>
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115 | </note>
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116 |
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117 | <para>
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118 | Install <application>v4l-utils</application> by running
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119 | the following commands:
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120 | </para>
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121 |
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122 | <screen><userinput>mkdir build &&
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123 | cd build &&
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124 | meson setup --prefix=/usr -Ddoxygen-doc=disabled \
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125 | -Dgconv=disabled --buildtype=release ..
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126 |
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127 | ninja</userinput></screen>
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128 |
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129 |
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130 | <para>
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131 | This package does not come with a test suite.
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132 | </para>
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133 |
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134 | <para>
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135 | Now, as the <systemitem class="username">root</systemitem> user:
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136 | </para>
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137 |
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138 | <screen role="root"><userinput>ninja install</userinput></screen>
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139 |
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140 | <para>
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141 | If you also wish to install the contrib programs, add:
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142 | </para>
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143 |
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144 | <screen role="root"><userinput>for prog in sdlcam v4l2gl v4l2grab
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145 | do
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146 | cp -v contrib/test/$prog $DESTDIR/usr/bin/.
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147 | done</userinput></screen>
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148 |
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149 |
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150 | </sect2>
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151 |
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152 | <sect2 role="commands">
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153 | <title>Command Explanations</title>
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154 |
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155 | <para>
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156 | <parameter>-Dgconv=disabled</parameter>: This switch disables
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157 | the erroneous installation of gconv-modules that would break glibc.
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158 | </para>
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159 |
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160 | </sect2>
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161 |
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162 |
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163 | <sect2 role="content">
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164 | <title>Contents</title>
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165 |
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166 | <segmentedlist>
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167 | <segtitle>Installed Programs</segtitle>
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168 | <segtitle>Installed Library</segtitle>
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169 | <segtitle>Installed Directories</segtitle>
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170 |
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171 | <seglistitem>
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172 | <seg>
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173 | cec-compliance,
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174 | cec-ctl,
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175 | cec-follower,
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176 | cx18-ctl,
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177 | decode_tm6000,
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178 | dvb-fe-tool,
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179 | dvb-format-convert,
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180 | dvbv5-daemon,
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181 | dvbv5-scan,
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182 | dvbv5-zap,
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183 | ir-ctl,
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184 | ir-keytable,
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185 | ivtv-ctl,
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186 | media-ctl,
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187 | qv4l2,
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188 | qvidcap,
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189 | rds-ctl,
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190 | v4l2-compliance,
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191 | v4l2-ctl,
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192 | v4l2-dbg, and
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193 | v4l2-sysfs-path
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194 | </seg>
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195 | <seg>
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196 | libdvbv5.so,
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197 | libv4l1.so,
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198 | libv4l2.so,
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199 | libv4l2rds.so,
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200 | libv4lconvert.so,
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201 | v4l1compat.so, and
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202 | v4l2convert.so
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203 | </seg>
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204 | <seg>
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205 | /etc/rc_keymaps,
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206 | /lib/udev/rc_keymaps,
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207 | /usr/include/libdvbv5, and
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208 | /usr/lib/libv4l
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209 | </seg>
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210 | </seglistitem>
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211 | </segmentedlist>
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212 |
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213 | <variablelist>
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214 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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215 | <?dbfo list-presentation="list"?>
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216 | <?dbhtml list-presentation="table"?>
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217 |
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218 | <varlistentry id="cx18-ctl">
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219 | <term><command>cx18-ctl</command></term>
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220 | <listitem>
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221 | <para>
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222 | is a tool to handle cx18 based devices
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223 | </para>
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224 | <indexterm zone="v4l-utils cx18-ctl">
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225 | <primary sortas="b-cx18-ctl">cx18-ctl</primary>
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226 | </indexterm>
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227 | </listitem>
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228 | </varlistentry>
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229 |
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230 | <varlistentry id="decode_tm6000">
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231 | <term><command>decode_tm6000</command></term>
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232 | <listitem>
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233 | <para>
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234 | decodes multiplexed formats from TM5600/TM6000 USB devices
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235 | </para>
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236 | <indexterm zone="v4l-utils decode_tm6000">
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237 | <primary sortas="b-decode_tm6000">decode_tm6000</primary>
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238 | </indexterm>
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239 | </listitem>
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240 | </varlistentry>
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241 |
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242 | <varlistentry id="dvb-fe-tool">
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243 | <term><command>dvb-fe-tool</command></term>
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244 | <listitem>
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245 | <para>
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246 | is a command line tool for digital TV services
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247 | </para>
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248 | <indexterm zone="v4l-utils dvb-fe-tool">
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249 | <primary sortas="b-dvb-fe-tool">dvb-fe-tool</primary>
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250 | </indexterm>
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251 | </listitem>
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252 | </varlistentry>
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253 |
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254 | <varlistentry id="dvb-format-convert">
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255 | <term><command>dvb-format-convert</command></term>
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256 | <listitem>
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257 | <para>
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258 | is a tool meant to convert among different file formats. It is
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259 | compliant with version 5 of the DVB API
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260 | </para>
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261 | <indexterm zone="v4l-utils dvb-format-convert">
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262 | <primary sortas="b-dvb-format-convert">dvb-format-convert</primary>
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263 | </indexterm>
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264 | </listitem>
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265 | </varlistentry>
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266 |
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267 | <varlistentry id="dvbv5-scan">
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268 | <term><command>dvbv5-scan</command></term>
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269 | <listitem>
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270 | <para>
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271 | is a command line frequency scanning tool for digital TV
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272 | services that are compliant with version 5 of the DVB API
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273 | </para>
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274 | <indexterm zone="v4l-utils dvbv5-scan">
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275 | <primary sortas="b-dvbv5-scan">dvbv5-scan</primary>
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276 | </indexterm>
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277 | </listitem>
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278 | </varlistentry>
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279 |
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280 | <varlistentry id="dvbv5-zap">
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281 | <term><command>dvbv5-zap</command></term>
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282 | <listitem>
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283 | <para>
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284 | is a command line tuning tool for digital TV services
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285 | that is compliant with version 5 of the DVB API
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286 | </para>
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287 | <indexterm zone="v4l-utils dvbv5-zap">
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288 | <primary sortas="b-dvbv5-zap">dvbv5-zap</primary>
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289 | </indexterm>
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290 | </listitem>
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291 | </varlistentry>
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292 |
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293 | <varlistentry id="ir-keytable">
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294 | <term><command>ir-keytable</command></term>
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295 | <listitem>
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296 | <para>
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297 | is a tool that lists the Remote Controller devices, allows one
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298 | to get/set IR keycode/scancode tables, test events generated by
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299 | IR, and to adjust other Remote Controller options
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300 | </para>
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301 | <indexterm zone="v4l-utils ir-keytable">
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302 | <primary sortas="b-ir-keytable">ir-keytable</primary>
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303 | </indexterm>
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304 | </listitem>
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305 | </varlistentry>
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306 |
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307 | <varlistentry id="ivtv-ctl">
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308 | <term><command>ivtv-ctl</command></term>
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309 | <listitem>
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310 | <para>
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311 | is a utility that can control many card settings, like changing
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312 | the inputs from tuner to svideo or composite, setting video
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313 | resolution or changing video mode (PAL, SECAM, NTSC)
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314 | </para>
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315 | <indexterm zone="v4l-utils ivtv-ctl">
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316 | <primary sortas="b-ivtv-ctl">ivtv-ctl</primary>
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317 | </indexterm>
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318 | </listitem>
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319 | </varlistentry>
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320 |
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321 | <varlistentry id="media-ctl">
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322 | <term><command>media-ctl</command></term>
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323 | <listitem>
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324 | <para>
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325 | is a utility used to configure V4L2 devices
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326 | </para>
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327 | <indexterm zone="v4l-utils media-ctl">
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328 | <primary sortas="b-media-ctl">media-ctl</primary>
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329 | </indexterm>
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330 | </listitem>
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331 | </varlistentry>
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332 |
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333 | <varlistentry id="qv4l2">
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334 | <term><command>qv4l2</command></term>
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335 | <listitem>
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336 | <para>
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337 | is used to test video4linux capture devices
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338 | </para>
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339 | <indexterm zone="v4l-utils qv4l2">
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340 | <primary sortas="b-qv4l2">qv4l2</primary>
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341 | </indexterm>
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342 | </listitem>
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343 | </varlistentry>
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344 |
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345 | <varlistentry id="qvidcap">
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346 | <term><command>qvidcap</command></term>
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347 | <listitem>
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348 | <para>
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349 | is used to capture video from a V4L2 device
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350 | </para>
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351 | <indexterm zone="v4l-utils qvidcap">
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352 | <primary sortas="b-qvidcap">qvidcap</primary>
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353 | </indexterm>
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354 | </listitem>
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355 | </varlistentry>
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356 |
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357 | <varlistentry id="rds-ctl">
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358 | <term><command>rds-ctl</command></term>
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359 | <listitem>
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360 | <para>
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361 | is a utility for decoding raw RDS data from V4L2 Radio devices
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362 | and offers simple ways to access the received RDS information
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363 | </para>
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364 | <indexterm zone="v4l-utils rds-ctl">
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365 | <primary sortas="b-rds-ctl">rds-ctl</primary>
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366 | </indexterm>
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367 | </listitem>
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368 | </varlistentry>
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369 |
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370 | <varlistentry id="v4l2-compliance">
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371 | <term><command>v4l2-compliance</command></term>
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372 | <listitem>
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373 | <para>
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374 | is a compliance test tool
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375 | </para>
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376 | <indexterm zone="v4l-utils v4l2-compliance">
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377 | <primary sortas="b-v4l2-compliance">v4l2-compliance</primary>
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378 | </indexterm>
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379 | </listitem>
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380 | </varlistentry>
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381 |
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382 | <varlistentry id="v4l2-ctl">
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383 | <term><command>v4l2-ctl</command></term>
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384 | <listitem>
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385 | <para>
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386 | is a tool to control v4l2 controls from the cmdline
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387 | </para>
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388 | <indexterm zone="v4l-utils v4l2-ctl">
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389 | <primary sortas="b-v4l2-ctl">v4l2-ctl</primary>
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390 | </indexterm>
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391 | </listitem>
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392 | </varlistentry>
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393 |
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394 | <varlistentry id="v4l2-dbg">
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395 | <term><command>v4l2-dbg</command></term>
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396 | <listitem>
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397 | <para>
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398 | is a tool to directly get and set registers of v4l2 devices
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399 | </para>
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400 | <indexterm zone="v4l-utils v4l2-dbg">
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401 | <primary sortas="b-v4l2-dbg">v4l2-dbg</primary>
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402 | </indexterm>
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403 | </listitem>
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404 | </varlistentry>
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405 |
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406 | <varlistentry id="v4l2-sysfs-path">
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407 | <term><command>v4l2-sysfs-path</command></term>
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408 | <listitem>
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409 | <para>
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410 | checks the media devices installed on a machine and the
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411 | corresponding device nodes
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412 | </para>
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413 | <indexterm zone="v4l-utils v4l2-sysfs-path">
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414 | <primary sortas="b-v4l2-sysfs-path">v4l2-sysfs-path</primary>
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415 | </indexterm>
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416 | </listitem>
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417 | </varlistentry>
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418 |
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419 | </variablelist>
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420 |
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421 | </sect2>
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422 |
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423 | </sect1>
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