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-rw-r--r--doc/MPD-Protocol.xml89
1 files changed, 80 insertions, 9 deletions
diff --git a/doc/MPD-Protocol.xml b/doc/MPD-Protocol.xml
index 2cfaa8e9d..25975a91e 100644
--- a/doc/MPD-Protocol.xml
+++ b/doc/MPD-Protocol.xml
@@ -9,21 +9,21 @@
<holder>Warren Dukes</holder>
</copyright>
</articleinfo>
- <sect1>
+ <sect1 id="protocol_outline">
<title>Protocol Outline</title>
<para>The MPD Protocol has Three Components: Commands, Responses, and Command Lists. All communication between the client and server uses the UTF-8 character encoding.</para>
- <sect2>
+ <sect2 id="format_of_commands">
<title>Format of Commands</title>
<para>Commands in MPD are specified begginning with the name of the command. The arguments of a command are delimitted by spaces and should be surrounded by double qutotation marks. The end of a command is delimitted by a return character &apos;<literal>\n</literal>&apos;.<programlisting>command &quot;arg1&quot; &quot;arg2&quot;</programlisting></para>
</sect2>
<sect2>
- <title>Format of Responses</title>
+ <title id="format_of_responses">Format of Responses</title>
<para>The different response elements of a command are seperated by the return character &apos;<literal>\n</literal>&apos;. The last element of a response begin with either <literal>OK</literal> or <literal>ACK</literal>. Thus, if a command is successful, the end of the response is <literal>OK\n</literal>. If a command is unsuccessful <literal>ACK</literal> terminates the command with the following format:<programlisting>ACK {err#:cmd#} {command} some error message</programlisting><literal>err#</literal> is an integer indicating the specific error that occured and <literal>cmd#</literal> is an integer indicating which command of the command list caused the error (See section 1.3 for more info on Command Lists). <literal>command</literal> gives the name of the command the error occurred on; however, its intended more for debugging persons (for human readability). <literal>some error message</literal> is also not intended to be parsed by clients but is intended more for debugging purposes.</para>
<para>The other response elements are data. The data is seperated into a name and value pare by <literal>: </literal>. Thus, a possible command response containing data would be:<programlisting>Name1: Value1
Name2: Value2
OK</programlisting></para>
</sect2>
- <sect2>
+ <sect2 id="command_lists">
<title>Command Lists</title>
<para>Command lists allow for a fast, effecient, and atomic execution of multiple commands. Command lists are initiated with either <literal>command_list_begin</literal> or <literal>command_list_ok_begin</literal>and are terminated with <literal>command_list_end</literal>.<programlisting>command_list_begin
command1 arg1 arg2
@@ -34,11 +34,11 @@ command_list_end</programlisting></para>
<para><literal>command_list_ok_begin</literal> responds with <literal>list_OK</literal> after each command is successfully completed. <literal>command_list_begin</literal> does not return anything between each command that is executed.</para>
</sect2>
</sect1>
- <sect1>
+ <sect1 id="commands">
<title>Commands</title>
- <sect2>
+ <sect2 id="db_browsing">
<title>DB: Browsing, Searching, and Finding</title>
- <sect3>
+ <sect3 id="browsing_responses">
<title>Browsing Responses</title>
<para>Browsing Responses usually contain groups of several responses. These groups are either begin with <literal>file</literal>, <literal>directory</literal>, or <literal>playlist</literal>. Each of these response groups maybe followed by metadata, which always begin with a capital letter (A-Z). Here&apos;s an example of a complete browsing response:<programlisting>file: Directory/file.mp3
Artist: Muscian
@@ -49,34 +49,61 @@ playlist: Directory/favorites
OK</programlisting></para>
<para><literal>directory</literal> and <literal>playlist</literal> have no metadata, however future versions of the MPD protocol may add metadata to either. Also, future versions of MPD may add othe response groups for browsing.</para>
</sect3>
- <sect3>
+ <sect3 id="song_info_responses">
<title>Song Info Responses</title>
<para>For query information on songs in the db (and the playlist), there is a common response for each song. The first response element is <literal>file</literal>. The remainng elements of the song info are one of the following metadata types: <literal>Artist</literal>, <literal>Album</literal>, <literal>Title</literal>, <literal>Track</literal>, <literal>Name</literal>, or <literal>Time</literal>.</para>
</sect3>
- <sect3>
+ <sect3 id="lsinfo">
<title>
<literal>lsinfo</literal>
</title>
+ <para><programlisting>lsinfo
+lsinfo <emphasis>directory</emphasis>
+lsinfo <emphasis>file</emphasis></programlisting><literal>lsinfo</literal> responds with <link linkend="browsing_responses">info</link> for the directory or file specified. If <literal>lsinfo</literal> is called without any arguments then the root directory is implied as the path.</para>
+ </sect3>
+ <sect3>
+ <title id="listallinfo">
+ <literal>listallinfo</literal>
+ </title>
+ <para><programlisting>listallinfo
+listallinfo <emphasis>directory</emphasis>
+listallinfo <emphasis>file</emphasis></programlisting><literal>listallinfo</literal> is a recursive form of <literal>
+ <link linkend="lsinfo">lsinfo</link>
+ </literal></para>
</sect3>
<sect3>
<title>
<literal>listall</literal>
</title>
+ <para><programlisting>listall
+listall <emphasis>directory</emphasis>
+listall <emphasis>file</emphasis></programlisting><literal>listall</literal> is the same as <literal>
+ <link linkend="listallinfo">listallinfo</link>
+ </literal> except that no metadata is returned.</para>
</sect3>
<sect3>
<title>
<literal>search</literal>
</title>
+ <para><programlisting>search filename <emphasis>pattern</emphasis>
+search artist <emphasis>pattern</emphasis>
+search album <emphasis>pattern</emphasis>
+search title <emphasis>pattern</emphasis></programlisting><literal>search</literal> respnds with the <link linkend="song_info_responses">files</link> that match the specified pattern with the specified data (either <literal>filename</literal>, <literal>artist</literal>, <literal>album</literal>, or <literal>title</literal>).</para>
</sect3>
<sect3>
<title>
<literal>find</literal>
</title>
+ <para><programlisting>find artist <emphasis>match</emphasis>
+find album <emphasis>match</emphasis></programlisting><literal>find</literal> responds with the <link linkend="song_info_responses">files</link> whose <literal>artist</literal> or <literal>album</literal> are the same as <emphasis>match</emphasis>.</para>
</sect3>
<sect3>
<title>
<literal>list</literal>
</title>
+ <para><programlisting>list artist
+list album
+list album <emphasis>someArtist</emphasis></programlisting><literal>list</literal> responds with the list of albums or artists in the db.</para>
</sect3>
</sect2>
<sect2>
@@ -91,71 +118,90 @@ OK</programlisting></para>
<title>
<literal>playlistinfo</literal>
</title>
+ <para><programlisting>playlistinfo
+playlistinfo -1
+playlistinfo <emphasis>position</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>playlistid</literal>
</title>
+ <para><programlisting>playlistid
+playlistid -1
+playlistid <emphasis>id</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>plchanges</literal>
</title>
+ <para><programlisting>plchanges <emphasis>version</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>deleteid</literal>
</title>
+ <para><programlisting>deleteid <emphasis>id</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>delete</literal>
</title>
+ <para><programlisting>delete <emphasis>position</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>add</literal>
</title>
+ <para><programlisting>add <emphasis>file</emphasis>
+add <emphasis>url</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>moveid</literal>
</title>
+ <para><programlisting>movid <emphasis>id</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>move</literal>
</title>
+ <para><programlisting>move <emphasis>position</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>swapid</literal>
</title>
+ <para><programlisting>swapid <emphasis>id</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>swap</literal>
</title>
+ <para><programlisting>swap <emphasis>position</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>clear</literal>
</title>
+ <para><programlisting>clear</programlisting></para>
</sect3>
<sect3>
<title>
<literal>save</literal>
</title>
+ <para><programlisting>save</programlisting></para>
</sect3>
<sect3>
<title>
<literal>shuffle</literal>
</title>
+ <para><programlisting>shuffle</programlisting></para>
</sect3>
<sect3>
<title>
<literal>rm</literal>
</title>
+ <para><programlisting>rm</programlisting></para>
</sect3>
</sect2>
<sect2>
@@ -164,6 +210,13 @@ OK</programlisting></para>
<title>
<literal>status</literal>
</title>
+ <para><programlisting>status</programlisting></para>
+ </sect3>
+ <sect3>
+ <title>
+ <literal>currentsong</literal>
+ </title>
+ <para><programlisting>currentsong</programlisting></para>
</sect3>
</sect2>
<sect2>
@@ -172,41 +225,56 @@ OK</programlisting></para>
<title>
<literal>playid</literal>
</title>
+ <para><programlisting>playid
+playid -1
+playid <emphasis>id</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>play</literal>
</title>
+ <para><programlisting>play
+play -1
+play <emphasis>position</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>pause</literal>
</title>
+ <para><programlisting>pause 0
+pause 1</programlisting></para>
</sect3>
<sect3>
<title>
<literal>stop</literal>
</title>
+ <para><programlisting>stop</programlisting></para>
</sect3>
<sect3>
<title>
<literal>seekid</literal>
</title>
+ <para><programlisting>seekid <emphasis>id</emphasis> <emphasis>seconds</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>seek</literal>
</title>
+ <para><programlisting>seek <emphasis>position</emphasis> <emphasis>seconds</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>repeat</literal>
</title>
+ <para><programlisting>repeat 0
+repeat 1</programlisting></para>
</sect3>
<sect3>
<title>
<literal>random</literal>
</title>
+ <para><programlisting>random 0
+random 1</programlisting></para>
</sect3>
</sect2>
<sect2>
@@ -215,16 +283,19 @@ OK</programlisting></para>
<title>
<literal>password</literal>
</title>
+ <para><programlisting>password <emphasis>psswd</emphasis></programlisting></para>
</sect3>
<sect3>
<title>
<literal>stats</literal>
</title>
+ <para><programlisting>stats</programlisting></para>
</sect3>
<sect3>
<title>
<literal>kill</literal>
</title>
+ <para><programlisting>kill</programlisting></para>
</sect3>
</sect2>
</sect1>