nixpkgs/nixos/modules/services/networking/minidlna.nix

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# Module for MiniDLNA, a simple DLNA server.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.minidlna;
port = 8200;
in
{
###### interface
options = {
services.minidlna.enable = mkOption {
type = types.bool;
default = false;
description =
''
Whether to enable MiniDLNA, a simple DLNA server. It serves
media files such as video and music to DLNA client devices
such as televisions and media players.
'';
};
services.minidlna.mediaDirs = mkOption {
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type = types.listOf types.str;
default = [];
example = [ "/data/media" "V,/home/alice/video" ];
description =
''
Directories to be scanned for media files. The prefixes
<literal>A,</literal>, <literal>V,</literal> and
<literal>P,</literal> restrict a directory to audio, video
or image files. The directories must be accessible to the
<literal>minidlna</literal> user account.
'';
};
services.minidlna.friendlyName = mkOption {
type = types.str;
default = "${config.networking.hostName} MiniDLNA";
defaultText = "$HOSTNAME MiniDLNA";
example = "rpi3";
description =
''
Name that the DLNA server presents to clients.
'';
};
services.minidlna.rootContainer = mkOption {
type = types.str;
default = ".";
example = "B";
description =
''
Use a different container as the root of the directory tree presented
to clients. The possible values are:
- "." - standard container
- "B" - "Browse Directory"
- "M" - "Music"
- "P" - "Pictures"
- "V" - "Video"
- Or, you can specify the ObjectID of your desired root container
(eg. 1$F for Music/Playlists)
If you specify "B" and the client device is audio-only then
"Music/Folders" will be used as root.
'';
};
services.minidlna.loglevel = mkOption {
type = types.str;
default = "warn";
example = "general,artwork,database,inotify,scanner,metadata,http,ssdp,tivo=warn";
description =
''
Defines the type of messages that should be logged, and down to
which level of importance they should be considered.
The possible types are artwork, database, general, http,
inotify, metadata, scanner, ssdp and tivo.
The levels are off, fatal, error, warn, info and
debug, listed here in order of decreasing importance. off
turns off logging messages entirely, fatal logs the most
critical messages only, and so on down to debug that logs every
single messages.
The types are comma-separated, followed by an equal sign (=),
followed by a level that applies to the preceding types. This can
be repeated, separating each of these constructs with a comma.
Defaults to general,artwork,database,inotify,scanner,metadata,
http,ssdp,tivo=warn which logs every type of message at the
warn level.
'';
};
services.minidlna.announceInterval = mkOption {
type = types.int;
default = 895;
description =
''
The interval between announces (in seconds).
By default miniDLNA will announce its presence on the network
approximately every 15 minutes.
Many people prefer shorter announce intervals (e.g. 60 seconds)
on their home networks, especially when DLNA clients are
started on demand.
'';
};
services.minidlna.config = mkOption {
type = types.lines;
description =
''
The contents of MiniDLNA's configuration file.
When the service is activated, a basic template is generated
from the current options opened here.
'';
};
services.minidlna.extraConfig = mkOption {
type = types.lines;
default = "";
example = ''
# Not exhaustive example
# Support for streaming .jpg and .mp3 files to a TiVo supporting HMO.
enable_tivo=no
# SSDP notify interval, in seconds.
notify_interval=10
# maximum number of simultaneous connections
# note: many clients open several simultaneous connections while
# streaming
max_connections=50
# set this to yes to allow symlinks that point outside user-defined
# media_dirs.
wide_links=yes
'';
description =
''
Extra minidlna options not yet opened for configuration here
(strict_dlna, model_number, model_name, etc...). This is appended
to the current service already provided.
'';
};
};
###### implementation
config = mkIf cfg.enable {
services.minidlna.config =
''
port=${toString port}
friendly_name=${cfg.friendlyName}
db_dir=/var/cache/minidlna
log_level=${cfg.loglevel}
inotify=yes
root_container=${cfg.rootContainer}
${concatMapStrings (dir: ''
media_dir=${dir}
'') cfg.mediaDirs}
notify_interval=${toString cfg.announceInterval}
${cfg.extraConfig}
'';
users.users.minidlna = {
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description = "MiniDLNA daemon user";
group = "minidlna";
uid = config.ids.uids.minidlna;
};
users.groups.minidlna.gid = config.ids.gids.minidlna;
systemd.services.minidlna =
{ description = "MiniDLNA Server";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig =
{ User = "minidlna";
Group = "minidlna";
CacheDirectory = "minidlna";
RuntimeDirectory = "minidlna";
PIDFile = "/run/minidlna/pid";
ExecStart =
"${pkgs.minidlna}/sbin/minidlnad -S -P /run/minidlna/pid" +
" -f ${pkgs.writeText "minidlna.conf" cfg.config}";
};
};
};
}