vdr/vdr.1
Klaus Schmidinger a26aae3ce8 Version 2.3.1
VDR developer version 2.3.1 is now available at

       ftp://ftp.tvdr.de/vdr/Developer/vdr-2.3.1.tar.bz2

A 'diff' against the previous version is available at

       ftp://ftp.tvdr.de/vdr/Developer/vdr-2.2.0-2.3.1.diff

MD5 checksums:

391c2ed60e2f7d24563fe3ed5854bc4f  vdr-2.3.1.tar.bz2
983fd4bad7d19cd98301d54173107129  vdr-2.2.0-2.3.1.diff

WARNING:
========

This is a *developer* version. Even though *I* use it in my productive
environment, I strongly recommend that you only use it under controlled
conditions and for testing and debugging.

*** PLEASE BE VERY CAREFUL WHEN USING THIS DEVELOPER VERSION, ESPECIALLY
*** IF YOU ENABLE THE NEW SVDRP PEERING! KEEP BACKUPS OF ALL YOUR TIMERS
*** AND OBSERVE VERY CLOSELY WHETHER EVERYTHING WORKS AS EXPECTED. THIS
*** VERSION INTRODUCES SOME MAJOR CHANGES IN HANDLING GLOBAL LISTS AND
*** LOCKING, SO ANYTHING CAN HAPPEN! YOU HAVE BEEN WARNED!

The main focus of this developer version is on the new locking mechanism
for global lists, and the ability to handle remote timers.
Any plugins that access the global lists of timers, channels, schedules
or recordings, will need to be adjusted (see below for details). Please
do initial tests with plain vanilla VDR and just the output plugin you
need.

Known bugs/problems:

- After deleting the last recording in a sub folder, the cursor may not
   be positioned correctly.
- Instant recordings and pausing live video don't (yet) use the default
   SVDRP host for recording.

From the HISTORY file:
 - The new function cOsd::MaxPixmapSize() can be called to determine the maximum size
  a cPixmap may have on the current OSD. The 'osddemo' example has been modified
  accordingly. Plugin authors may want to use this function in case they use pixmaps
  that are larger than the full OSD size. The default implementation sets this limit
  to 2048x2048 pixel.
- The Setup/CAM menu now displays which device an individual CAM is currently
  assigned to (suggested by Frank Neumann).
- Added detection of 24fps (thanks to Thomas Reufer).
- Added a note about the VDR User Counter and VDR's facebook page to the README file.
- The dvbhddevice plugin is no longer part of the VDR source archive.
  You can get the latest version of this plugin from the author's repository at
  https://bitbucket.org/powARman/dvbhddevice.
- The dvbsddevice and rcu plugins are no longer part of the VDR source archive.
  You can get the latest versions of these plugins from ftp://ftp.tvdr.de/vdr/Plugins.
- Added a section about Output Devices to the INSTALL file.
- Fixed setting the source value of newly created channels, in case the NIT is
  received from a different, but very close satellite position (reported by Daniel
  Ribeiro). The code for handling different NITs has been removed from nit.c, because
  according to the DVB standard table id 0x40 carries only the NIT of the actual
  network.
- Added some comment to cPixmap about the relation between OSD, ViewPort and DrawPort
  (suggested by Thomas Reufer).
- Improved syncing on sections when parsing the NIT and SDT.
- Fixed scaling subtitles (their areas could sometimes extend outside the actual OSD).
- Reduced the priority of the "video directory scanner" thread (suggested by Thomas
  Reufer) and checking cIoThrottle::Engaged() when it is running.
- The script that gets called for recordings is now also called right before a
  recording is edited, with the first parameter being "editing" (suggested by
  Dieter Ferdinand).
- The new setup option "OSD/Default sort mode for recordings" can be used to define
  how recordings shall be sorted by default (either by time or by name, with "by time"
  being the default). If a particular sort mode has been selected for a folder by
  pressing '0', the default no longer applies to that folder. Repeating timers no
  longer write a ".sort" file into a recordings folder to have the recordings sorted
  by time.
- The command line option -D now accepts the value '-' (as in -D-), which prevents
  VDR from using any DVB devices (suggested by Dietmar Spingler).
- The -V and -h options now list the plugins in alphabetical order (suggested by
  Dietmar Spingler).
- Fixed a compiler warning in font.c.
- Commented out the line
  #define DEPRECATED_VIDEOSYSTEM
  in device.h. If a plugin doesn't compile with this version of VDR, you can uncomment
  this line as a quick workaround. In the long run the plugin will need to be adapted.
- The function cOsd::GetBitmap() is now 'protected'. If a plugin doesn't compile with
  this version of VDR, you can uncomment the line
  //#define DEPRECATED_GETBITMAP
  in osd.h as a quick workaround. In the long run the plugin will need to be adapted.
- The -u option now also accepts a numerical user id (suggested by Derek Kelly).
- The SVDRP port now accepts multiple concurrent connections. You can now keep an
  SVDRP connection open as long as you wish, without preventing others from
  connecting. Note, though, that SVDRP connections still get closed automatically
  if there has been no activity for 300 seconds (configurable via
  "Setup/Miscellaneous/SVDRP timeout (s)").
- The SVDRP log messages have been unified and now always contain the IP and port
  number of the remote host.
- SVDRP connections are now handled in a separate "SVDRP server handler" thread,
  which makes them more responsive. Note that there is only one thread that handles
  all concurrent SVDRP connections. That way each SVDRP command is guaranteed to be
  processed separately, without interfering with any other SVDRP commands that might
  be issued at the same time. Plugins that implement SVDRP commands may need to take
  care of proper locking if the commands access global data.
- VDR now sends out a broadcast to port 6419/udp, which was assigned to 'svdrp-disc'
  by the IANA. VDRs listening on that port will automatically initiate an SVDRP
  connection to the broadcasting VDR, and in turn send out a broadcast to make
  other VDRs connect to them. That way all VDRs within the local network will
  have permanent "peer-to-peer" SVDRP connections between each other. The
  configuration in the svdrphosts.conf file is taken into account when considering
  whether or not to respond to an SVDRP discover broadcast.
- The new SVDRP command PING is used by automatically established peer-to-peer
  connections to keep them alive.
- The new function GetSVDRPServerNames() can be used to get a list of all VDRs
  this VDR is connected to via SVDRP.
- The new function ExecSVDRPCommand() can be used to execute an SVDRP command on
  one of the servers this VDR is connected to, and retrieve the result.
  The helper functions SVDRPCode() and SVDRPValue() can be used to easily access
  the codes and values returned by ExecSVDRPCommand().
- The cTimer class now has a new member named 'remote', which holds the name of the
  remote server this timer will record on. If this is NULL, it is a local timer.
- Timers from other VDRs that are connected to this VDR via SVDRP are now
  automatically fetched and stored in the global Timers list. In order for this
  to work, all of the channels used by timers on the remote VDR must also be
  defined on the local VDR (however, not necessarily in the same sequence).
  Automatic channel syncing will be implemented later.
- The main menu of the LCARS skin now displays a small rectangle on the left side
  of a timer if this is a remote timer. The color of that rectangle changes if
  the timer is currently recording on the remote VDR.
- Accessing the global Timers list now has to be protected by proper locking,
  because SVDRP commands are now executed in a separate thread.
  The introduction of this locking mechanism required the following changes:
  + The new classes cStateLock and cStateKey are used to implement locking
    with quick detection of state changes.
  + cConfig::cConfig() now has a parameter that indicates whether this list
    requires locking.
  + The global lists of Timers, Channels, Schedules and Recordings are no longer
    static variables. They are now pointers that need to be retrieved through
    a call to cTimers::GetTimersRead/Write(), cChannels::GetChannelsRead/Write(),
    cSchedules::GetSchedulesRead/Write() and cRecordings::GetRecordingsRead/Write(),
    respectively.
  + References from/to link channels are now removed in cChannels::Del() rather
    than cChannel::~cChannel(), to make sure the caller holds a proper lock.
  + cChannel::HasTimer() has been removed. This information is now retrieved
    via cSchedule::HasTimer().
  + Several member functions of cChannel, cTimer, cMarks and cRecording have
    been made 'const', and some of them are now available as both 'const' and
    'non-const' versions.
  + The cChannel::Set...() functions are now 'bool' and return true if they have
    actually changed any of the channels's members.
  + cChannels::SetModified() has been renamed to cChannels::SetModifiedByUser().
  + cChannels::Modified() has been renamed to cChannels::ModifiedByUser(), and
    now has a 'State' parameter that allows the caller to see whether a channel
    has been modified since the last call to this function with the same State
    variable.
  + The macros CHANNELSMOD_NONE/_AUTO/_USER have been removed.
  + cMarks now requires locking via cStateKey.
  + cSortedTimers now requires a pointer to the list of timers.
  + cEvent::HasTimer() no longer scans the list of timers to check whether an event
    is referenced by a timer, but rather keeps score of how many timers reference
    it. This was necessary in order to avoid having to lock the list of timers from
    within a cEvent.
  + The new class cListGarbageCollector is used to temporary store any objects deleted
    from cLists that require locking. This allows pointers to such objects to be
    dereferenced even if the objects are no longer part of the list.
  + cListBase::Contains() can be used to check whether a particular object is still
    contained in that list.
  + Outdated events are no longer "phased out", but rather deleted right away and thus
    taken care of by the new "garbage collector" of the list.
  + Deleted cRecording objects are no longer kept in a list of "vanished" recordings,
    but are rather taken care of by the new "garbage collector" of the list.
  + cSchedules::ClearAll() has been removed. The functionality is now implemented
    directly in cSVDRPServer::CmdCLRE().
  + tEventID has been changed to u_int16_t in order to make room for the new member
    numTimers in cEvent.
  + cSchedule now has a member Modified(), which can be used with a State variable
    to quickly determine whether this schedule has been modified since the last call
    to this function with the same State variable.
  + cSchedulesLock has been removed. Locking the list of schedules is now done via
    the cList's new locking mechanism.
  + The 'OnlyRunningStatus' parameters in cEpgHandler::BeginSegmentTransfer() and
    cEpgHandler::EndSegmentTransfer() are now obsolete. They are still present in
    the interface for backward compatibility, but may be removed in a future version.
    Their value is always 'false'.
  + The constant tcMod is no longer used in cStatus::TimerChange(). The definition is
    still there for backward compatibility.
  Plugins that access the global lists of Timers, Channels, Recordings or Schedules
  will need to be adapted as follows:
  + Instead of directly accessing the global variables Timers, Channels or Recordings,
    they need to set up a cStateKey variable and call the proper getter function,
    as in
      cStateKey StateKey;
      if (const cTimers *Timers = cTimers::GetTimersRead(StateKey)) {
         // access the timers
         StateKey.Remove();
         }
    and
      cStateKey StateKey;
      if (cTimers *Timers = cTimers::GetTimersWrite(StateKey)) {
         // access the timers
         StateKey.Remove();
         }
    See timers.h, thread.h and tools.h for details on this new locking mechanism.
  + There are convenience macros for easily accessing these lists without having
    to explicitly set up a cStateKey and calling its Remove() function. These macros
    have the form LOCK_*_READ/WRITE (with '*' being TIMERS, CHANNELS, SCHEDULES or
    RECORDINGS). Simply put such a macro before the point where you need to access
    the respective list, and there will be a pointer named Timers, Channels, Schedules
    or Recordings, respectively, which is valid until the end of the current block.
  + If a plugin needs to access several of the global lists in parallel, locking must
    always be done in the sequence Timers, Channels, Recordings, Schedules. This is
    necessary to make sure that different threads that need to lock several lists at
    the same time don't end up in a deadlock.
  + Some pointer variables may need to be made 'const'. The compiler will tell you
    about these.
- cSectionSyncer has been improved to better handle missed sections.
- Added a missing initialization of 'seen' in cChannel's copy constructor.
- Background modifications of channels, timers and events are now displayed immediately
  in the corresponding menus.
- cEIT now checks the version of the tables before doing any processing, which saves
  a lot of locking and processing.
- If a timer is newly created with the Red button in the Schedule menu, and the timer
  is presented to the user in the "Edit timer" menu because it will start immediately,
  it now *must* be confirmed with "Ok" to set the timer. Otherwise the timer will not
  be created.
- Recordings and deleted recordings are now scanned in a single thread.
- The new SVDRP command POLL is used by automatically established peer-to-peer
  connections to trigger fetching remote timers.
- You can now set DumpSVDRPDataTransfer in svdrp.c to true to have all SVDRP
  communication printed to the console for debugging.
- Added a missing 'const' to cReceiver::Receive(), to protect the given Data from
  being modified.
- The SVDRP commands that deal with timers (DELT, LSTT, MODT, NEWT, NEXT and UPDT)
  as well as any log messages that refer to timers, now use a unique id for each
  timer, which remains valid as long as this instance of VDR is running. This means
  that timers are no longer continuously numbered from 1 to N in LSTT. There may be
  gaps in the sequence, in case timers have been deleted.
- The Timers menu now displays the name of the remote VDR in front of the timer's
  file name, if this is a remote timer.
- The new options "Setup/Miscellaneous/SVDRP peering", ".../SVDRP host name" and
  ".../SVDRP default host" can be used to configure automatic peering between VDRs
  in the same network. Peering is disabled by default and can be enabled by setting
  "SVDRP peering" to "yes".
- The function cTimer::ToText() no longer returns a newline character at the end of
  the string. The newline is now added by the caller as necessary. This was changed
  because cTimer::ToText() is now also needed in a context where the terminating
  newline can't be used. Consequently, cChannel::ToText() and cMark::ToText() have
  been modified accordingly.
- All timer related response strings from SVDRP commands now use the channel ID
  instead of channel numbers.
- The "Edit timer" menu now has a new parameter "Record on", which can be used to
  select the VDR on which this timer shall record. Timers can be freely moved
  between connected VDRs by simply selecting the desired machine in this field.
- The SVDRP command DELT no longer checks whether the timer that shall be deleted
  is currently recording.
- The character 0x0D is now stripped from EPG texts (reported by Janne Pänkälä).
- The EPG scanner no longer moves the dish if there is a positioner.
- The 'newplugin' script now creates the 'po' subdirectory for translations (thanks
  to Thomas Reufer).
- Skins can now implement cSkinDisplayMenu::MenuOrientation() to display horizontal
  menus (thanks to Stefan Braun).
- Fixed a possible stack overflow in cListBase::Sort() (thanks to Oliver Endriss).
- Changed the description of the --chartab option in the INSTALL file to refer to
  "DVB SI table strings" instead of "EPG data".
- The width and height of the OSD are now limited to the actual maximum dimensions
  of the output device, taking into account the top and left offset.
- The new setup option "Recording/Record key handling" can be used to define
  what happens if the Record key on the remote control is pressed during
  live tv (suggested by Dietmar Spingler).
- Empty adaptation field TS packets are now skipped when recording (thanks to
  Christopher Reimer, based on the "AFFcleaner" by Stefan Pöschel).
2015-09-18 00:04:12 +02:00

320 lines
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Groff

'\" t
.\" ** The above line should force tbl to be a preprocessor **
.\" Man page for vdr
.\"
.\" Copyright (C) 2013 Klaus Schmidinger
.\"
.\" You may distribute under the terms of the GNU General Public
.\" License as specified in the file COPYING that comes with the
.\" vdr distribution.
.\"
.\" $Id: vdr.1 4.2 2015/04/19 12:39:13 kls Exp $
.\"
.TH vdr 1 "19 Feb 2015" "2.2" "Video Disk Recorder"
.SH NAME
vdr \- the Video Disk Recorder
.SH SYNOPSIS
.B vdr
[options]
.SH DESCRIPTION
.B vdr
implements a complete digital Set-Top Box and Video Recorder.
It can work with signals received from satellites (DVB-S) as
well as cable (DVB-C) and terrestrial (DVB-T) signals.
At least one DVB card is required to run \fBvdr\fR. With it you can watch
live TV while recording one or more other broadcasts from the same transponder.
It is also possible to start watching a recorded programme before the live
broadcast has ended (\fBtime shifting\fR). In order to record from different
transponders simultaneously two or more DVB cards are necessary.
By default \fBvdr\fR can support up to eight DVB cards.
The primary DVB card (the one your TV set is connected to) can either
be a "full featured" card, which means it contains an MPEG decoder
and provides audio and video signal outputs, or you can use some third party
plugin that implements software decoding of the MPEG data and displays it via
the system's graphics adapter.
\fBvdr\fR uses an On Screen Display (OSD) to display its menus.
It can be controlled by the PC keyboard, the "Linux Infrared Remote Control" (LIRC),
or any other means of remote control, implemented by a third party plugin.
Remote access is possible via the "Simple Video Disk Recorder Protocol" (SVDRP),
which can be accessed on port 6419, for instance by \fBtelnet\fR.
.SH OPTIONS
.TP
.BI \-a\ cmd ,\ \-\-audio= cmd
Send Dolby Digital audio to stdin of command \fIcmd\fR.
.TP
.BI \-\-cachedir= dir
Save cache files in \fIdir\fR
(default is to save them in the video directory).
.TP
.BI \-\-chartab= character_table
Set the character table to use for strings in the DVB data stream that don't begin
with a character table indicator, but don't use the standard default character table
(for instance ISO-8859-9).
.TP
.BI \-c\ dir ,\ \-\-config= dir
Read config files from directory \fIdir\fR
(default is to read them from the video directory).
.TP
.B \-d, \-\-daemon
Run in daemon mode (implies \-\-no\-kbd).
.TP
.BI \-D\ num ,\ \-\-device= num
Use only the given DVB device (\fInum\fR = 0, 1, 2...).
There may be several \fB\-D\fR options (by default all DVB devices will be used).
If \fB\-D\-\fR is given, no DVB devices will be used at all, independent of any
other \-D options.
.TP
.BI \-\-dirnames= path [, name [, enc ]]
Set the maximum directory path length to \fIpath\fR (default is the maximum value
allowed on the system). If \fIname\fR is also given, it defines the maximum directory
name length (default is the maximum value allowed on the system). The optional
\fIenc\fR can be 0 or 1, and controls whether special characters in directory names
are encoded as hex values (default: 0).
If \fIpath\fR or \fIname\fR are left empty (as in ",,1" to only set \fIenc\fR), the defaults apply.
The length of the video directory name and that of the actual recording directory is
subtracted from \fIpath\fR, to make sure the directory path will never become too long.
.TP
.BI \-\-edit= rec
Edit the given recording.
\fIrec\fR must be the full path name of an existing recording.
The program will return immediately after editing the recording.
.TP
.BI \-E\ file ,\ \-\-epgfile= file
Write the EPG data into the given \fIfile\fR
(default is \fIepg.data\fR in the cache directory).
Use \fB\-E\-\fR to disable this.
If \fIfile\fR is a directory, the file \fIepg.data\fR
will be created in that directory.
.TP
.BI \-\-filesize= size
Limit video files to \fIsize\fR bytes (default is 2000M).
This option is only useful in conjunction with --edit, and must precede that
option to have an effect.
\fIsize\fR is an integer number and may be followed by one of the letters K, M, G or T
to abbreviate Kilo-, Mega-, Giga- or Terabyte, respectively.
The given value is silently limited to the program's internal minimum and
maximum values.
.TP
.BI \-\-genindex= rec
Generate the index file for the given recording.
\fIrec\fR must be the full path name of an existing recording.
The recording must be in TS format.
If the recording already has an index file, it will be deleted
before creating the new one.
The program will return immediately after generating the index.
Note that using this option while another instance of VDR is
currently replaying the given recording, or if the recording
has not been finished yet, may lead to unexpected results.
.TP
.BI \-g,\ \-\-grab= dir
Write images from the SVDRP command GRAB into the
given directory \fIdir\fR. \fIdir\fR must be the full path name of an
existing directory, without any "..", double '/'
or symlinks. By default, or if \fB\-g\-\fR is given,
grabbing images to disk is disabled.
.TP
.B \-h, \-\-help
Print a help message and exit.
.TP
.BI \-i\ instance ,\ \-\-instance= instance
Use \fIinstance\fR as the id of this VDR instance (default is 0).
In an environment where several instances of VDR use the same video
directory, this parameter can be set to a positive integer value
that's unique for each instance, so that they won't interfere with
each other in case they record exactly the same broadcast.
The number given here will be part of the directory name in which
the recordings will be stored.
.TP
.BI \-l\ level ,\ \-\-log= level
Set logging to \fIlevel\fR.
\fB0\fR\ =\ no logging, \fB1\fR\ =\ errors only,
\fB2\fR\ =\ errors and info, \fB3\fR\ =\ errors, info and debug.
The default logging level is \fB3\fR.
If logging should be done to LOG_LOCAL\fIn\fR instead of
LOG_USER, add '.n' to LEVEL, as in 3.7 (n=0..7).
.TP
.BI \-L\ dir ,\ \-\-lib= dir
Search for plugins in directory \fIdir\fR (default is ./PLUGINS/lib).
There can be several \fB\-L\fR options with different \fIdir\fR values.
Each of them will apply to the \fB\-P\fR options following it.
.TP
.BI \-\-lirc[= path ]
Use a LIRC remote control device.
If \fIpath\fR is omitted, vdr uses \fI/var/run/lirc/lircd\fR.
.TP
.BI \-\-localedir= dir
Search for locale files in \fIdir\fR (default is ./locale).
.TP
.B \-m, \-\-mute
Mute audio of the primary DVB device at startup.
.TP
.B \-\-no\-kbd
Don't use the keyboard as an input device.
.TP
.BI \-p\ port ,\ \-\-port= port
Use \fIport\fR for SVDRP. A value of \fB0\fR turns off SVDRP.
The default SVDRP port is \fB6419\fR.
You need to edit the file \fIsvdrphosts.conf\fR in order to enable
access to the SVDRP port.
.TP
.BI \-P\ options ,\ \-\-plugin= options
Load a plugin, defined by the given \fIoptions\fR.
The first word in \fIoptions\fR must be the name of an existing \fBvdr\fR
plugin, optionally followed by a blank separated list of command line options
for that plugin. If \fIoptions\fR contains any blanks, you need to enclose it
in quotes, like for example
\fBvdr \-P "abc \-a \-b xyz"\fR
which would load a plugin named \fBabc\fR, giving it the command line options
\fB\-a\ \-b\ xyz\fR. If you want to load all available plugins (without any
particular options) you can use
\fBvdr \-P "*"\fR
(note the quotes around the asterisk to prevent wildcard expansion).
.TP
.BI \-r\ cmd ,\ \-\-record= cmd
Call \fIcmd\fR before and after a recording. See the file \fIINSTALL\fR for
more information.
.TP
.BI \-\-resdir= dir
Read resource files from \fIdir\fR
(default is to read them from the config directory).
.TP
.BI \-\-showargs[= dir ]
Read command line arguments from \fIdir\fR (default is \fI/etc/vdr/conf.d\fR),
display them to the console and exit.
.TP
.BI \-s\ cmd ,\ \-\-shutdown= cmd
Call \fIcmd\fR to shutdown the computer. See the file \fIINSTALL\fR for more
information.
.TP
.BI \-\-split
Split edited files at the editing marks.
This option is only useful in conjunction with --edit, and must precede that
option to have an effect.
.TP
.BI \-t\ tty ,\ \-\-terminal= tty
Set the controlling terminal.
.TP
.BI \-u\ user ,\ \-\-user= user
Run as user \fIuser\fR in case vdr was started as user 'root'.
Starting vdr as 'root' is necessary if the system time shall
be set from the transponder data, but for security reasons
vdr can switch to a lesser privileged user id during normal
operation. \fIuser\fR can be a user name or a numerical id.
.TP
.BI \-\-updindex= rec
Update the index file for the given recording.
\fIrec\fR must be the full path name of an existing recording.
The recording must be in TS format.
If the recording already has an index file, it will be checked
whether it is complete, and will be updated if it isn't. If
there is no index file yet, a new one will be generated.
The program will return immediately after updating the index.
Note that using this option while another instance of VDR is
currently replaying the given recording, or if the recording
has not been finished yet, may lead to unexpected results.
.TP
.BI \-\-userdump
Allow coredumps if -u is given (only for debugging).
.TP
.BI \-\-vfat
For backwards compatibility (same as \-\-dirnames= 250,40,1).
.TP
.BI \-v\ dir ,\ \-\-video= dir
Use \fIdir\fR as video directory.
The default is \fI/video\fR.
.TP
.B \-V, \-\-version
Print version information and exit.
.TP
.BI \-w\ sec ,\ \-\-watchdog= sec
Activate the watchdog timer with a timeout of \fIsec\fR seconds.
A value of \fB0\fR (default) disables the watchdog.
.P
If started without any options, vdr tries to read command line options
from files named '*.conf' in the directory /etc/vdr/conf.d. Files are
read in alphabetical order. See vdr(5) for details.
.SH SIGNALS
.TP
.B SIGINT, SIGTERM
Program exits with status 0.
.TP
.B SIGHUP
Program exits with status 1. This can be used to force a reload, for example
if an update has been installed.
.SH EXIT STATUS
.TP
.B 0
Successful program execution.
.TP
.B 1
An error has been detected which requires the DVB driver and \fBvdr\fR
to be reloaded.
.TP
.B 2
An non-recoverable error has been detected, \fBvdr\fR has given up.
.SH FILES
.TP
.I channels.conf
Channel configuration.
.TP
.I timers.conf
Timer configuration.
.TP
.I setup.conf
User definable setup.
.TP
.I commands.conf
User definable commands (executed from the \fBCommands\fR menu).
.TP
.I svdrphosts.conf
SVDRP host configuration, defining which hosts or networks are given
access to the SVDRP port.
.TP
.I marks
Contains the editing marks defined for a recording.
.TP
.I info
Contains a description of the recording.
.TP
.I resume
Contains the index into the recording where the last replay session left off.
.TP
.I index
Contains the file number, offset and type of each frame of the recording.
.TP
.I remote.conf
Contains the key assignments for the remote control.
.TP
.I keymacros.conf
Contains user defined remote control key macros.
.TP
.IR 00001.ts\ ...\ 65535.ts
The actual data files of a recording.
.TP
.I epg.data
Contains all current EPG data. Can be used for external processing and will
also be read at program startup to have the full EPG data available immediately.
.TP
.I .update
If this file is present in the video directory, its last modification time will
be used to trigger an update of the list of recordings in the "Recordings" menu.
.SH SEE ALSO
.BR vdr (5), svdrpsend (1)
.SH AUTHOR
Written by Klaus Schmidinger, with contributions from many others.
See the file \fICONTRIBUTORS\fR in the \fBvdr\fR source distribution.
.SH REPORTING BUGS
Report bugs to <vdr\-bugs@tvdr.de>.
.SH COPYRIGHT
Copyright \(co 2013 Klaus Schmidinger.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.