2 .\" Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
4 .\" This program is free software; you can redistribute it and/or modify
5 .\" it under the terms of the GNU General Public License as published by
6 .\" the Free Software Foundation; either version 2 of the License, or
7 .\" (at your option) any later version.
9 .\" This program is distributed in the hope that it will be useful, but
10 .\" WITHOUT ANY WARRANTY; without even the implied warranty of
11 .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 .\" General Public License for more details.
14 .\" You should have received a copy of the GNU General Public License
15 .\" along with this program; if not, write to the Free Software
16 .\" Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 pkgconfdir/config - DisOrder jukebox configuration
23 The purpose of DisOrder is to organize and play digital audio files, under the
24 control of multiple users. \fIpkgconfdir/config\fR is the primary
25 configuration file but this man page currently documents all of its various
28 DisOrder can be configured with multiple collections of tracks, indexing them
29 by their filename, and picking players on the basis of filename patterns (for
32 Although the model is of filenames, it is not inherent that there are
33 corresponding real files - merely that they can be interpreted by the chosen
34 player. See \fBdisorder\fR(3) for more details about this.
36 Each track can have a set of preferences associated with it. These are simple
37 key-value pairs; they can be used for anything you like, but a number of keys
38 have specific meanings. See \fBdisorder\fR(1) for more details about these.
40 Track names are derived from filenames under the control of regular
41 expressions, rather than attempting to interpret format-specific embedded name
42 information. They can be overridden by setting preferences.
44 Names for display are distinguished from names for sorting, so with the right
45 underlying filenames an album can be displayed in its original order even if
46 the displayed track titles are not lexically sorted.
48 A collection of global preferences define various bits of server state: whether
49 random play is enabled, what tags to check for when picking at random, etc.
50 .SS "Users And Access Control"
51 DisOrder distinguishes between multiple users. This is for access control and
52 reporting, not to provide different views of the world: i.e. preferences and so
55 It's possible to restrict a small number of operations to a specific subset of
56 users. However, it is assumed that every user is supposed to be able to do
57 most operations - since the users are all sharing the same audio environment
58 they are expected to cooperate with each other.
60 Access control is entirely used-based. If you configure DisOrder to listen for
61 TCP/IP connections then it will accept a connection from anywhere provided the
62 right password is available. Passwords are never transmitted over TCP/IP
63 connections in clear, but everything else is. The expected model is that
64 host-based access control is imposed at the network layer.
66 The web interface is controlled by a collection of template files, one for each
67 kind of page, and a collection of option files. These are split up and
68 separate from the main configuration file to make it more convenient to
69 override specific bits.
71 The web interface connects to the DisOrder server like any other user, though
72 it is given a special privilege to "become" any other user. (Thus, any process
73 with the same UID as the web interface is very powerful as far as DisOrder
76 Access control to the web interface is (currently) separate from DisOrder's own
77 access control (HTTP authentication is required) but uses the same user
79 .SH "CONFIGURATION FILE"
81 Lines are split into fields separated by whitespace (space, tab, line
82 feed, carriage return, form feed). Comments are started by the number
85 Fields may be unquoted (in which case they may not contain spaces and
86 may not start with a quotation mark or apostrophe) or quoted by either
87 quotation marks or apostrophes. Inside quoted fields every character
88 stands for itself, except that a backslash can only appear as part of
89 one of the following escape sequences:
104 No other escape sequences are allowed.
106 Within any line the first field is a configuration command and any
107 further fields are parameters. Lines with no fields are ignored.
109 After editing the config file use \fBdisorder reconfigure\fR to make
110 it re-read it. If there is anything wrong with it the daemon will
111 record a log message and ignore the new config file. (You should fix
112 it before next terminating and restarting the daemon, as it cannot
113 start up without a valid config file.)
114 .SS "Global Configuration"
116 .B home \fIDIRECTORY\fR
117 The home directory for state files. Defaults to
121 Adds a directory to the plugin path. (This is also used by the web
124 Plugins are opened the first time they are required and never after,
125 so after changing a plugin you must restart the server before it is
126 guaranteed to take effect.
127 .SS "Server Configuration"
129 .B alias \fIPATTERN\fR
130 Defines the pattern use construct virtual filenames from \fBtrackname_\fR
133 Most characters stand for themselves, the exception being \fB{\fR which is used
134 to insert a track name part in the form \fB{\fIname\fB}\fR or
137 The difference is that the first form just inserts the name part while the
138 second prefixes it with a \fB/\fR if it is nonempty.
140 The pattern should not attempt to include the collection root, which is
141 automatically included, but should include the proper extension.
143 The default is \fB{/artist}{/album}{/title}{ext}\fR.
145 .B backend \fINAME\fR
146 Selects the backend use by the speaker process. The following options are
151 Use the ALSA API. This is only available on Linux systems, on which it is the
155 Execute a command. This is the default if
157 is specified, or (currently) on non-Linux systems.
160 Transmit audio over the network. This is the default if
161 \fBbroadcast\fR is specified.
164 .B channel \fICHANNEL\fR
165 The mixer channel that the volume control should use. Valid names depend on
166 your operating system and hardware, but some standard ones that might be useful
171 Output level for the audio device. This is probably what you want.
174 Output level for the PC speaker, if that is connected to the sound card.
177 Output level for alternative codec device.
180 Master output level. The OSS documentation recommends against using this, as
181 it affects all output devices.
184 You can also specify channels by number, if you know the right value.
186 .B collection \fIMODULE\fR \fIENCODING\fR \fIROOT\fR
187 Define a collection of tracks.
189 \fIMODULE\fR defines which plugin module should be used for this
190 collection. Use the supplied \fBfs\fR module for tracks that exists
191 as ordinary files in the filesystem.
193 \fIENCODING\fR defines the encoding of filenames in this collection.
194 For \fBfs\fR this would be the encoding you use for filenames.
195 Examples might be \fBiso-8859-1\fR or \fButf-8\fR.
197 \fIROOT\fR is the root in the filesystem of the filenames and is
198 passed to the plugin module.
201 ALSA device to play raw-format audio. Default is \fBdefault\fR, i.e. to use
202 the whatever the ALSA configured default is.
205 Specifies the number of seconds to leave between tracks. The default
208 .B history \fIINTEGER\fR
209 Specifies the number of recently played tracks to remember (including
210 failed tracks and scratches).
212 .B listen \fR[\fIHOST\fR] \fISERVICE\fR
213 Listen for connections on the address specified by \fIHOST\fR and port
214 specified by \fISERVICE\fR. If \fIHOST\fR is omitted then listens on all
217 Normally the server only listens on a UNIX domain socket.
220 Determines whether the server locks against concurrent operation. Default is
224 The path to the mixer device, if you want access to the volume control,
225 e.g. \fB/dev/mixer\fR.
227 .B namepart \fIPART\fR \fIREGEXP\fR \fISUBST\fR [\fICONTEXT\fR [\fIREFLAGS\fR]]
228 Determines how to extract trackname part \fIPART\fR from a
229 track name (with the collection root part removed).
230 Used in \fB@recent@\fR, \fB@playing@\fR and \fB@search@\fR.
232 Track names can be different in different contexts. For instance the sort
233 string might include an initial track number, but this would be stripped for
234 the display string. \fICONTEXT\fR should be a glob pattern matching the
235 contexts in which this directive will be used.
237 Valid contexts are \fBsort\fR and \fBdisplay\fR.
239 All the \fBnamepart\fR directives are considered in order. The
240 first directive for the right part, that matches the desired context,
241 and with a \fIREGEXP\fR that
242 matches the track is used, and the value chosen is constructed from
243 \fISUBST\fR according to the substitution rules below.
245 Note that searches use the raw track name and \fBtrackname_\fR preferences but
246 not (currently) the results of \fBnamepart\fR, so generating words via this option
247 that aren't in the original track name will lead to confusing results.
249 If you supply no \fBnamepart\fR directives at all then a default set will be
250 supplied automatically. But if you supply even one then you must supply all of
251 them. See the example config file for the defaults.
253 .B nice_rescan \fIPRIORITY\fR
254 Set the recan subprocess priority. The default is 10.
256 (Note that higher values mean the process gets less CPU time; UNIX priority
257 values are the backwards.)
259 .B nice_server \fIPRIORITY\fR
260 Set the server priority. This is applied to the server at startup time (and
261 not when you reload configuration). The server does not use much CPU itself
262 but this value is inherited by programs it executes. If you have limited CPU
263 then it might help to set this to a small negative value. The default is 0.
265 .B nice_speaker \fIPRIORITY\fR
266 Set the speaker process priority. This is applied to the speaker process at
267 startup time (and not when you reload the configuration). The speaker process
268 is not massively CPU intensive by today's standards but depends on reasonably
269 timely scheduling. If you have limited CPU then it might help to set this to a
270 small negative value. The default is 0.
272 .B player \fIPATTERN\fR \fIMODULE\fR [\fIOPTIONS.. [\fB--\fR]] \fIARGS\fR...
273 Specifies the player for files matching the glob \fIPATTERN\fR. \fIMODULE\fR
274 specifies which plugin module to use.
276 The following options are supported:
279 .B --wait-for-device\fR[\fB=\fIDEVICE\fR]
280 Waits (for up to a couple of seconds) for the default, or specified, libao
281 device to become openable.
284 Defines the end of the list of options. Needed if the first argument to the
285 plugin starts with a "-".
288 The following are the standard modules:
291 .B exec \fICOMMAND\fR \fIARGS\fR...
292 The command is executed via \fBexecvp\fR(3), not via the shell.
293 The \fBPATH\fR environment variable is searched for the executable if it is not
295 The command is expected to know how to open its own sound device.
297 .B execraw \fICOMMAND\fR \fIARGS\fR...
298 Identical to the \fBexec\fR except that the player is expected to use the
299 DisOrder raw player protocol (see notes below).
301 .B shell \fR[\fISHELL\fR] \fICOMMAND\fR
302 The command is executed using the shell. If \fISHELL\fR is specified then that
303 is used, otherwise \fBsh\fR will be used. In either case the \fBPATH\fR
304 environment variable is searched for the shell executable if it is not an
305 absolute path. The track name is stored in the environment variable
308 Be careful of the interaction between the configuration file quoting rules and
309 the shell quoting rules.
312 If multiple player commands match a track then the first match is used.
314 .B prefsync \fISECONDS\fR
315 The interval at which the preferences log file will be synchronised. Defaults
316 to 3600, i.e. one hour.
318 .B queue_pad \fICOUNT\fR
319 The target size of the queue. If random play is enabled then randomly picked
320 tracks will be added until the queue is at least this big.
322 .B sample_format \fIBITS\fB/\fIRATE\fB/\fICHANNELS
323 Describes the sample format expected by the \fBspeaker_command\fR (below). The
324 components of the format specification are as follows:
328 The number of bits per sample. Optionally, may be suffixed by \fBb\fR or
329 \fBl\fR for big-endian and little-endian words. If neither is used the native
330 byte order is assumed.
333 The number of samples per second.
336 The number of channels.
343 Defines the signal to be sent to track player process groups when tracks are
344 scratched. The default is \fBSIGKILL\fR.
346 Signals are specified by their full C name, i.e. \fBSIGINT\fR and not \fBINT\fR
347 or \fBInterrupted\fR or whatever.
349 .B sox_generation \fB0\fR|\fB1
350 Determines whether calls to \fBsox\fR(1) should use \fB-b\fR, \fB-x\fR, etc (if
351 the generation is 0) or \fB-\fIbits\fR, \fB-L\fR etc (if it is 1). The default
354 .B speaker_command \fICOMMAND
355 Causes the speaker subprocess to pipe audio data into shell command
356 \fICOMMAND\fR, rather than writing to a local sound card. The sample format is
361 Note that if the sample format is wrong then
363 is invoked to translate it. If
365 is not installed then this will not work.
367 .B restrict \fR[\fBscratch\fR] [\fBremove\fR] [\fBmove\fR]
368 Determine which operations are restricted to the submitter of a
369 track. By default, no operations are restricted, i.e. anyone can
370 scratch or remove anything.
372 If \fBrestrict scratch\fR or \fBrestrict remove\fR are set then only the user
373 that submitted a track can scratch or remove it, respectively.
375 If \fBrestrict move\fR is set then only trusted users can move tracks around in
378 If \fBrestrict\fR is used more than once then only the final use has any
381 .B scratch \fIPATH\fR
382 Specifies a scratch. When a track is scratched, a scratch track is
384 Scratches are played using the same logic as other tracks.
386 At least for the time being, path names of scratches must be encoded using
387 UTF-8 (which means that ASCII will do).
389 .B stopword \fIWORD\fR ...
390 Specifies one or more stopwords that should not take part in searches
392 .SS "Client Configuration"
394 .B connect \fR[\fIHOST\fR] \fISERVICE\fR
395 Connect to the address specified by \fIHOST\fR and port specified by
396 \fISERVICE\fR. If \fIHOST\fR is omitted then connects to the local host.
397 Normally the UNIX domain socket is used instead.
398 .SS "Web Interface Configuration"
400 .B refresh \fISECONDS\fR
401 Specifies the maximum refresh period in seconds. Default 15.
403 .B templates \fIPATH\fR ...
404 Specifies the directory containing templates used by the web
405 interface. If a template appears in more than one template directory
406 then the one in the earliest directory specified is chosen.
408 See below for further details.
410 .B transform \fITYPE\fR \fIREGEXP\fR \fISUBST\fR [\fICONTEXT\fR [\fIREFLAGS\fR]]
411 Determines how names are sorted and displayed in track choice displays.
413 \fITYPE\fR is the type of transformation; usually \fBtrack\fR or
414 \fBdir\fR but you can define your own.
416 \fICONTEXT\fR is a glob pattern matching the context. Standard contexts are
417 \fBsort\fR (which determines how directory names are sorted) and \fBdisplay\fR
418 (which determines how they are displayed). Again, you can define your
421 All the \fBtransform\fR directives are considered in order. If
422 the \fITYPE\fR, \fIREGEXP\fR and the \fICONTEXT\fR match
423 then a new track name is constructed from
424 \fISUBST\fR according to the substitution rules below. If several
425 match then each is executed in order.
427 If you supply no \fBtransform\fR directives at all then a default set will be
428 supplied automatically. But if you supply even one then you must supply all of
429 them. See the example config file for the defaults.
432 Specifies the URL of the web interface. This URL will be used in
435 This must be the full URL, e.g. \fBhttp://myhost/cgi-bin/jukebox\fR and not
436 \fB/cgi-bin/jukebox\fR.
437 .SS "Authentication Configuration"
439 .B allow \fIUSERNAME\fR \fIPASSWORD\fR
440 Specify a username/password pair.
442 .B password \fIPASSWORD\fR
445 .B trust \fIUSERNAME\fR
446 Allow \fIUSERNAME\fR to perform privileged operations such as shutting
447 down or reconfiguring the daemon, or becoming another user.
450 Specifies the user to run as. Only makes sense if invoked as root (or
453 .B username \fIUSERNAME\fR
454 Specify username. The default is taken from the environment variable
457 Configuration files are read in the following order:
461 .I pkgconfdir/config.private
462 Should be readable only by the jukebox group, and contain \fBallow\fR
463 commands for authorised users.
465 .I pkgconfdir/config.\fRUSER
466 Per-user system-controlled client configuration. Optional but if it
467 exists must be readable only by the relevant user. Would normally
468 contain a \fBpassword\fR directive.
470 .I ~\fRUSER\fI/.disorder/passwd
471 Per-user client configuration. Optional but if it exists must be
472 readable only by the relevant user. Would normally contain a
473 \fBpassword\fR directive.
474 .SH "GLOBAL PREFERENCES"
475 These are the values set with \fBset-global\fR.
478 If this is set an nonempty then randomly played tracks will always have at
479 least one of the listed tags.
481 Tags can contain any printing character except comma. Leading and trailing
482 spaces are not significant but internal spaces are. Tags in a list are
486 If this is set an nonempty then randomly played tracks will never have any of
490 If unset or \fByes\fR then play is enabled. Otherwise it is disabled. Use
491 \fBdisable\fR rather than setting it directly.
494 If unset or \fByes\fR then random play is enabled. Otherwise it is disabled.
495 Use \fBdisable\fR rather than setting it directly.
497 .SS "Raw Protocol Players"
498 Raw protocol players are expected to use the \fBdisorder\fR libao driver.
499 Programs that use libao generally have command line options to select the
500 driver and pass options to it.
502 The known driver options are:
505 The file descriptor to write to. If this is not specified then the driver
506 looks like the environment variable \fBDISORDER_RAW_FD\fR. If that is not set
507 then the default is 1 (i.e. standard output).
510 If this is set to a nonzero value then the driver will call \fB_exit\fR(2) if a
511 write to the output file descriptor fails. This is a workaround for buggy
512 players such as \fBogg123\fR that ignore write errors.
514 When \fBdisorder.cgi\fR wants to generate a page for an action it searches the
515 directories specified with \fBtemplates\fR for a matching file. It is
516 suggested that you leave the distributed templates unchanged and put
517 any customisations in an earlier entry in the template path.
519 The supplied templates are:
522 Display information about DisOrder.
525 Navigates through the track database to choose a track to play. The
526 \fBdir\fR argument gives the directory to look in; if it is missing
527 then the root directory is used.
530 Provides a front end to \fBchoose.html\fR which allows subsets of the top level
531 directories to be selected by initial letter.
534 The "front page", which usually shows the currently playing tracks and
536 Gets an HTTP \fBRefresh\fR header.
538 If the \fBmgmt\fR CGI argument is set to \fBtrue\fR then we include extra
539 buttons for moving tracks up and down in the queue. There is some logic in
540 \fBdisorder.cgi\fR to ensure that \fBmgmt=true\fR is preserved across refreshes
541 and redirects back into itself, but URLs embedded in web pages must include it
545 Views preferences. If the \fBfile\fR, \fBname\fR and \fBvalue\fR arguments are
546 all set then that preference is modified; if \fBfile\fR and \fBname\fR are set
547 but not \fBvalue\fR then the preference is deleted.
550 Lists recently played tracks.
553 Presents search results.
556 Primitive volume control.
558 Additionally, other standard files are included by these:
561 Included at the end of the main content \fB<DIV>\fR element.
564 Included at the start of the \fB<BODY>\fR element.
567 Included in the \fB<HEAD>\fR element.
570 Contains the default DisOrder stylesheet. You can override this by editing the
571 CSS or by replacing it all with a \fB<LINK>\fR to an external stylesheet.
573 Templates are ASCII files containing HTML documents, with an expansion
574 syntax to enable data supplied by the implementation to be inserted.
576 If you want to use characters outside the ASCII range, use either the
577 appropriate HTML entity, e.g. \fBé\fR, or an SGML numeric
578 character reference, e.g. \fBý\fR. Use \fB@\fR to insert a
579 literal \fB@\fR without falling foul of the expansion syntax.
580 .SS "Expansion Syntax"
581 Expansions are surrounded by at ("@") symbols take the form of a keyword
582 followed by zero or more arguments. Arguments may either be quoted by curly
583 brackets ("{" and "}") or separated by colons (":"). Both kinds may be mixed
584 in a single expansion, though doing so seems likely to cause confusion.
585 The descriptions below contain suggested forms for each
588 Leading and trailing whitespace in unquoted arguments is ignored, as is
589 whitespace (including newlines) following a close bracket ("}").
591 Arguments are recursively expanded before being interpreted, except for
592 \fITEMPLATE\fR arguments. These are expanded (possibly more than once) to
593 produce the final expansion.
594 (More than once means the same argument being expanded more than once
595 for different tracks or whatever, not the result of the first
596 expansion itself being re-expanded.)
598 Strings constructed by expansions (i.e. not literally copied from the template
599 text) are SGML-quoted: any character which does not stand for itself in #PCDATA
600 or a quoted attribute value is replaced by the appropriate numeric character
603 The exception to this is that such strings are \fInot\fR quoted when they are
604 generated in the expansion of a parameter.
606 In the descriptions below, the current track means the one set by
607 \fB@playing@\fR, \fB@recent@\fR or \fB@queue@\fR, not the one that is playing.
608 If none of these expansions are in force then there is no current track.
609 \fIBOOL\fR should always be either \fBtrue\fR or \fBfalse\fR.
611 The following expansion keywords are defined:
613 .B @#{\fICOMMENT\fB}@
617 The current action. This reports
619 if the action is really
625 .B @and{\fIBOOL\fB}{\fIBOOL\fB}\fR...\fB@
626 If there are no arguments, or all the arguments are \fBtrue\fB, then expands to
627 \fBtrue\fR, otherwise to \fBfalse\fR.
630 Expands to the value of CGI script argument \fINAME\fR.
633 The basename of the current directory component, in \fB@navigate@\fR.
635 .B @basename{\fIPATH\fB}@
636 The base name part of \fIPATH\fR.
638 .B @choose{\fIWHAT\fB}{\fITEMPLATE\fB}@
639 Expands \fITEMPLATE\fR repeatedly for each file or directory under
640 \fB@arg:directory@\fR.
641 \fIWHAT\fR should be either \fBfile\fR or \fBdirectory\fR.
642 Use \fB@file@\fR to get the display name or filename of the file or
644 Usually used in \fBchoose.html\fR.
647 The directory of the current directory component, in \fB@navigate@\fR.
649 .B @dirname{\fIPATH\fB}@
650 The directory part of \fIPATH\fR.
653 Expands to \fBtrue\fR if play is currently enabled, otherwise to \fBfalse\fR.
655 .B @eq{\fIA\fB}{\fIB\fB}
656 Expands to \fBtrue\fR if \fIA\fR and \fIB\fR are identical, otherwise to
660 Expands to the filename of the current file or directory, inside the template
661 argument to \fBchoose\fR.
663 .B @files{\fITEMPLATE\fB}
664 Expands \fITEMPLATE\fB once for each file indicated by the \fBdirectory\fR CGI
665 arg if it is present, or otherwise for the list of files counted by \fBfiles\fR
666 with names \fB0_file\fR, \fB1_file\fR etc.
669 The full path of the current directory component, in \fB@navigate@\fR.
672 The ID of the current track.
674 .B @if{\fIBOOL\fB}{\fITRUEPART\fB}{\fIFALSEPART\fB}@
675 If \fIBOOL\fR expands to \fBtrue\fR then expands to \fITRUEPART\fR, otherwise
676 to \fIFALSEPART\fR (which may be omitted).
678 .B @include:\fIPATH\fR@
679 Include the named file as if it were a template file. If \fIPATH\fR
680 starts with a \fB/\fR then it is used as-is; otherwise, ".html" is
681 appended and the template path is searched.
684 Expands to the index of the current file in \fB@queue@\fR, \fB@recent@\fR or
688 Expands to \fBtrue\fR if there are any directories in \fB@arg:directory@\fR,
689 otherwise to \fBfalse\fR.
692 Expands to \fBtrue\fR if there are any files in \fB@arg:directory@\fR,
693 otherwise to \fBfalse\fR.
696 Expands to \fBtrue\fR if this is the first repetition of a \fITEMPLATE\fR
697 argument in a loop (\fB@queue\fR or similar), otherwise to \fBfalse\fR.
700 Expands to \fBtrue\fR if this is the last repetition of a \fITEMPLATE\fR in a
701 loop, otherwise to \fBfalse\fR.
704 Expands to \fBtrue\fR if a track is playing, otherwise to \fBfalse\fR.
707 Expands to \fBtrue\fR if there are any tracks in the queue, otherwise to
711 Expands to \fBtrue\fR if the recently played list has any tracks in it,
712 otherwise to \fBfalse\fR.
714 .B @label:\fINAME\fR\fB@
715 Expands to the value of label \fINAME\fR. See the shipped \fIoptions.labels\fR
716 file for full documentation of the labels used by the standard templates.
719 Expands to the length of the current track.
721 .B @navigate{\fIDIRECTORY\fB}{\fITEMPLATE\fB}
722 Expands \fITEMPLATE\fR for each component of \fIDIRECTORY\fR in turn.
723 Use \fB@dirname\fR and \fB@basename@\fR to get the components of the path to
725 Usually used in \fBchoose.html\fR.
727 .B @ne{\fIA\fB}{\fIB\fB}
728 Expands to \fBtrue\fR if \fIA\fR and \fIB\fR differ, otherwise to \fBfalse\fR.
731 Expands to the number of files from \fB@files\fR (above).
734 Expands to a string including the time and process ID, intended to be
735 unique across invocations.
738 Expands to \fBfalse\fR if \fIBOOL\fR is \fBtrue\fR, otherwise to
741 .B @or{\fIBOOL\fB}{\fIBOOL\fB}\fR...\fB@
742 If at least one argument is \fBtrue\fB, then expands to \fBtrue\fR, otherwise
746 Expands to \fBeven\fR or \fBodd\fR depending on whether the current track is at
747 an even or odd position in \fB@queue@\fR, \fB@recent@\fR or \fB@files@\fR.
749 .B @part{\fICONTEXT\fB}{\fIPART\fB}@
750 Expands to track name part \fIPART\fR using context \fICONTEXT\fR for the
751 current track. The context may be omitted (and normally would be) and defaults
754 .B @part{\fICONTEXT\fB}{\fIPART\fB}{\fITRACK\fB}@
755 Expands to track name part \fIPART\fR using context \fICONTEXT\fR for
756 \fITRACK\fR. In this usage the context may not be omitted.
759 Expands to \fBtrue\fR if the current track is paused, else \fBfalse\fR.
761 .B @playing{\fITEMPLATE\fB}@
762 Expands \fITEMPLATE\fR using the playing track as the current track.
764 .B @pref{\fITRACK\fB}{\fIKEY\fB}@
765 Expand to the track preference, or the empty string if it is not set.
768 Expands to the name of the current preference, in the template
769 argument of \fB@prefs@\fR.
771 .B @prefs{\fIFILE\fB}{\fITEMPLATE\fB}@
772 Expands \fITEMPLATE\fR repeatedly, for each preference of track
774 Use \fB@prefname@\fR and \fB@prefvalue@\fR to get the name and value.
777 Expands to the value of the current preference, in the template
778 argument of \fB@prefs@\fR.
780 .B @queue{\fITEMPLATE\fB}@
781 Expands \fITEMPLATE\fR repeatedly using the each track on the queue in turn as
782 the current track. The track at the head of the queue comes first.
785 Expands to \fBtrue\fR if random play is currently enabled, otherwise to
788 .B @recent{\fITEMPLATE\fB}@
789 Expands \fITEMPLATE\fR repeatedly using the each recently played track in turn
790 as the current track. The most recently played track comes first.
792 .B @resolve{\fITRACK\fB}@
793 Resolve aliases for \fITRACK\fR and expands to the result.
795 .B @search{\fIPART\fB}\fR[\fB{\fICONTEXT\fB}\fR]\fB{\fITEMPLATE\fB}@
796 Expands \fITEMPLATE\fR once for each group of search results that have
797 a common value of track part \fIPART\fR.
798 The groups are sorted by the value of the part.
803 within the template will apply to one of the tracks in the group.
805 If \fICONTEXT\fR is specified it should be either \fBsort\fR or \fBdisplay\fR,
806 and determines the context for \fIPART\fR. The default is \fBsort\fR. Usually
807 you want \fBdisplay\fR for everything except the title and \fBsort\fR for the
808 title. If you use \fBsort\fR for artist and album then you are likely to get
812 Expands to the server's version string.
814 .B @shell{\fICOMMAND\fB}@
815 Expands to the output of \fICOMMAND\fR executed via the shell. \fBsh\fR is
816 searched for using \fBPATH\fR. If the command fails then this is logged but
820 In \fB@queue@\fR and \fB@recent@\fR, expands to the state of the current
821 track. Otherwise the empty string. Known states are:
825 The player terminated with nonzero status, but not because the track was
829 A scratch, in the queue.
832 No player could be found.
838 A randomly chosen track, in the queue.
841 This track was scratched.
844 An explicitly queued track, in the queue.
847 Some additional states only apply to playing tracks, so will never be seen in
848 the queue or recently-played list:
852 The track has been paused.
855 Interrupted because the server is shutting down.
858 This track is currently playing.
862 Expands to the server statistics.
865 Expands to the URL of the current page. Typically used in
867 arguments. If there is a
869 argument then it is changed to a fresh value.
874 .B @trackstate{\fIPATH\fB}@
875 Expands to the current track state: \fBplaying\fR if the track is actually
876 playing now, \fBqueued\fR if it is queued or the empty string otherwise.
878 .B @transform{\fIPATH\fB}{\fITYPE\fB}{\fICONTEXT\fB}@
879 Transform a path according to \fBtransform\fR (see above).
880 \fIPATH\fR should be a raw filename (of a track or directory).
881 \fITYPE\fR should be the transform type (e.g. \fItrack\fR or \fIdir\fR).
882 \fICONTEXT\fR should be the context, and can be omitted (the default
886 Expands to the canonical URL as defined in \fIpkgconfdir/config\fR.
888 .B @urlquote{\fISTRING\fB}@
889 URL-quote \fISTRING\fR.
892 Expands to \fBdisorder.cgi\fR's version string.
894 .B @volume:\fISPEAKER\fB@
895 The volume on the left or right speaker. \fISPEAKER\fR must be \fBleft\fB or
899 When the current track was played (or when it is expected to be played, if it
900 has not been played yet)
903 Who submitted the current track.
905 This is a file called \fIoptions\fR, searched for in the same manner
906 as templates. It includes numerous options for the control of the web
907 interface. The general syntax is the same as the main configuration
908 file, except that it should be encoded using UTF-8 (though this might
909 change to the current locale's character encoding; stick to ASCII to
912 The shipped \fIoptions\fR file includes four standard options files.
916 The default labels file. You wouldn't normally edit this directly - instead
917 supply your own commands in \fIoptions.user\fR. Have a look at the shipped
918 version of the file for documentation of labels used by the standard templates.
921 A user options file. Here you should put any overrides for the default
922 labels and any extra labels required by your modified templates.
924 Valid directives are:
926 .B columns \fINAME\fR \fIHEADING\fR...
927 Defines the columns used in \fB@playing@\fR and \fB@recent@\fB. \fINAME\fR
928 must be either \fBplaying\fR, \fBrecent\fR or \fBsearch\fR.
929 \fIHEADING\fR... is a list of
930 heading names. If a column is defined more than once then the last definitions
933 The heading names \fBbutton\fR, \fBlength\fR, \fBwhen\fR and \fBwho\fR
936 .B include \fIPATH\fR
937 Includes another file. If \fIPATH\fR starts with a \fB/\fR then it is
938 taken as is, otherwise it is searched for in the template path.
940 .B label \fINAME\fR \fIVALUE\fR
941 Define a label. If a label is defined more than once then the last definition
944 Some labels are defined inside \fBdisorder.cgi\fR and others by the
945 default templates. You can define your own labels and use them inside
948 When an undefined label is expanded, if it has a dot in its name then
949 the part after the final dot is used as its value. Otherwise the
950 whole name is used as the value.
952 Labels are no longer documented here, see the shipped \fIoptions.labels\fR file
954 .SH "REGEXP SUBSTITUTION RULES"
955 Regexps are PCRE regexps, as defined in \fBpcrepattern\fR(3). The
956 only option used is \fBPCRE_UTF8\fR. Remember that the configuration
957 file syntax means you have to escape backslashes and quotes inside
960 In a \fISUBST\fR string the following sequences are interpreted
964 These expand to the first to ninth bracketed subexpression.
967 This expands to the matched part of the subject string.
970 This expands to a single \fB$\fR symbol.
972 All other pairs starting with \fB$\fR are undefined (and might be used
973 for something else in the future, so don't rely on the current
976 If \fBi\fR is present in \fIREFLAGS\fR then the match is case-independent. If
977 \fBg\fR is present then all matches are replaced, otherwise only the first
980 What the web interface actually does is terminated by the \fBaction\fR CGI
981 argument. The values listed below are supported.
983 Except as specified, all actions redirect back to the \fBplaying.html\fR
984 template unless the \fBback\fR argument is present, in which case the URL it
985 gives is used instead.
987 Redirection to \fBplaying.html\fR preserves \fBmgmt=true\fR if it is present.
990 Move track \fBid\fR by offset \fBdelta\fR.
993 Play track \fBfile\fR, or if that is missing then play all the tracks in
997 Don't change any state, but instead compute a suitable refresh time and include
998 that in an HTTP header. Expands the \fBplaying.html\fR template rather than
1001 This is the default if \fBaction\fR is missing.
1004 Disables random play.
1007 Enables random play.
1010 Disables play completely.
1016 Pauses the current track.
1019 Remove track \fBid\fR.
1022 Resumes play after a pause.
1025 Scratch the playing track. If \fBid\fR is present it must match the playing
1029 Change the volume by \fBdelta\fR, or if that is missing then set it to the
1030 values of \fBleft\fR and \fBright\fR. Expands to the \fBvolume.html\fR template
1031 rather than redirecting.
1034 Adjust preferences from the \fBprefs.html\fR template (which it then expands
1035 rather than redirecting).
1039 is set then the cooked interface is assumed. The value of
1041 is used to determine which trackname preferences are set. By default the
1043 context is adjusted but this can be overridden with the
1047 argument is checked; if it is set then random play is enabled for that track,
1048 otherwise it is disabled.
1054 arguments are set then they are used to set a single preference.
1056 Otherwise if just the
1058 argument is set then that preference is deleted.
1060 It is recommended that links to the \fBprefs\fR action use \fB@resolve@\fR to
1061 enure that the real track name is always used. Otherwise if the preferences
1062 page is used to adjust a trackname_ preference, the alias may change, leading
1063 to the URL going stale.
1066 This action is generated automatically when an error occurs connecting to the
1067 server. The \fBerror\fR label is set to an indication of what the error is.
1068 .SH "TRACK NAME PARTS"
1069 The traditional track name parts are \fBartist\fR, \fBalbum\fR and \fBtitle\fR,
1070 with the obvious intended meaning. These are controlled by configuration and
1071 by \fBtrackname_\fR preferences.
1073 In addition there are two built-in parts, \fBpath\fR which is the whole path
1074 name and \fBext\fR which is the filename extension, including the initial dot
1075 (or the empty string if there is not extension).
1077 \fBdisorder\fR(1), \fBsox\fR(1), \fBdisorderd\fR(8), \fBdisorder-dump\fR(8),
1078 \fBpcrepattern\fR(3)
1079 .\" Local Variables:
~mdw / disorder / blob