1<?xml version="1.0"?> 2<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 3 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [ 4<!ENTITY % media-entities SYSTEM "./media-entities.tmpl"> %media-entities; 5<!ENTITY media-indices SYSTEM "./media-indices.tmpl"> 6 7<!ENTITY eg "e. g."> 8<!ENTITY ie "i. e."> 9<!ENTITY fd "File descriptor returned by <link linkend='func-open'><function>open()</function></link>."> 10<!ENTITY i2c "I<superscript>2</superscript>C"> 11<!ENTITY return-value "<title>Return Value</title><para>On success <returnvalue>0</returnvalue> is returned, on error <returnvalue>-1</returnvalue> and the <varname>errno</varname> variable is set appropriately. The generic error codes are described at the <link linkend='gen-errors'>Generic Error Codes</link> chapter.</para>"> 12<!ENTITY return-value-dvb "<para>RETURN VALUE</para><para>On success <returnvalue>0</returnvalue> is returned, on error <returnvalue>-1</returnvalue> and the <varname>errno</varname> variable is set appropriately. The generic error codes are described at the <link linkend='gen-errors'>Generic Error Codes</link> chapter.</para>"> 13<!ENTITY manvol "<manvolnum>2</manvolnum>"> 14 15<!-- Table templates: structs, structs w/union, defines. --> 16<!ENTITY cs-str "<colspec colname='c1' colwidth='1*' /><colspec colname='c2' colwidth='1*' /><colspec colname='c3' colwidth='2*' /><spanspec spanname='hspan' namest='c1' nameend='c3' />"> 17<!ENTITY cs-ustr "<colspec colname='c1' colwidth='1*' /><colspec colname='c2' colwidth='1*' /><colspec colname='c3' colwidth='1*' /><colspec colname='c4' colwidth='2*' /><spanspec spanname='hspan' namest='c1' nameend='c4' />"> 18<!ENTITY cs-def "<colspec colname='c1' colwidth='3*' /><colspec colname='c2' colwidth='1*' /><colspec colname='c3' colwidth='4*' /><spanspec spanname='hspan' namest='c1' nameend='c3' />"> 19 20<!-- Video for Linux mailing list address. --> 21<!ENTITY v4l-ml "<ulink url='http://www.linuxtv.org/lists.php'>http://www.linuxtv.org/lists.php</ulink>"> 22 23<!-- LinuxTV v4l-dvb repository. --> 24<!ENTITY v4l-dvb "<ulink url='http://linuxtv.org/repo/'>http://linuxtv.org/repo/</ulink>"> 25<!ENTITY dash-ent-8 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 26<!ENTITY dash-ent-10 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 27<!ENTITY dash-ent-12 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 28<!ENTITY dash-ent-14 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 29<!ENTITY dash-ent-16 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 30<!ENTITY dash-ent-20 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 31<!ENTITY dash-ent-22 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 32<!ENTITY dash-ent-24 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> 33]> 34 35<book id="media_api"> 36<bookinfo> 37 <title>LINUX MEDIA INFRASTRUCTURE API</title> 38 39 <copyright> 40 <year>2009-2014</year> 41 <holder>LinuxTV Developers</holder> 42 </copyright> 43 44 <legalnotice> 45 <para>Permission is granted to copy, distribute and/or modify 46 this document under the terms of the GNU Free Documentation License, 47 Version 1.1 or any later version published by the Free Software 48 Foundation. A copy of the license is included in the chapter entitled 49 "GNU Free Documentation License"</para> 50 </legalnotice> 51</bookinfo> 52 53<toc></toc> <!-- autogenerated --> 54 55<preface> 56 <title>Introduction</title> 57 58 <para>This document covers the Linux Kernel to Userspace API's used by 59 video and radio streaming devices, including video cameras, 60 analog and digital TV receiver cards, AM/FM receiver cards, 61 streaming capture and output devices, codec devices and remote 62 controllers.</para> 63 <para>It is divided into four parts.</para> 64 <para>The first part covers radio, video capture and output, 65 cameras, analog TV devices and codecs.</para> 66 <para>The second part covers the 67 API used for digital TV and Internet reception via one of the 68 several digital tv standards. While it is called as DVB API, 69 in fact it covers several different video standards including 70 DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated 71 to document support also for DVB-S2, ISDB-T and ISDB-S.</para> 72 <para>The third part covers the Remote Controller API.</para> 73 <para>The fourth part covers the Media Controller API.</para> 74 <para>For additional information and for the latest development code, 75 see: <ulink url="http://linuxtv.org">http://linuxtv.org</ulink>.</para> 76 <para>For discussing improvements, reporting troubles, sending new drivers, etc, please mail to: <ulink url="http://vger.kernel.org/vger-lists.html#linux-media">Linux Media Mailing List (LMML).</ulink>.</para> 77</preface> 78 79<part id="v4l2spec">&sub-v4l2;</part> 80<part id="dvbapi">&sub-dvbapi;</part> 81<part id="remotes">&sub-remote_controllers;</part> 82<part id="media_common">&sub-media-controller;</part> 83 84<chapter id="gen_errors">&sub-gen-errors;</chapter> 85 86&sub-fdl-appendix; 87 88</book> 89