nixfiles/hosts/hetzner-vm/containers/music/profiles/mpd.nix

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{
config,
lib,
pkgs,
host_secrets,
...
}: let
ports = import ../data/ports.nix {};
secrets = host_secrets;
in {
environment.systemPackages = with pkgs; [mpc_cli];
systemd.tmpfiles.rules = [
"d /Music - root root"
];
systemd.services.music-sync = {
wantedBy = ["multi-user.target"];
after = ["network.target"];
partOf = ["mpd.service"];
path = with pkgs; [bash rclone mount umount];
script = let
rclone_config = pkgs.writeText "rclone.conf" ''
[Music]
type = webdav
url = https://storage-webdav.owo.monster/music_ro/
vendor = nextcloud
'';
in ''
set -e
rclone --config ${rclone_config} sync Music: /Music
'';
};
systemd.timers.music-sync = {
wantedBy = ["timers.target"];
partOf = ["music-sync.service"];
timerConfig.OnCalendar = "hourly";
};
systemd.services.mpd = {
after = ["music-copy.service"];
};
services.mpd = {
enable = true;
network.listenAddress = "0.0.0.0";
musicDirectory = "/Music";
credentials = [
{
passwordFile = "${secrets.mpd_control_password.path}";
permissions = ["read" "add" "control" "admin"];
}
];
extraConfig =
''
host_permissions "127.0.0.1 read,add,control,admin"
samplerate_converter "0"
metadata_to_use "title,artist"
auto_update "yes"
audio_buffer_size "4096"
replaygain "track"
audio_output_format "44100:16:2"
''
+ lib.concatStringsSep "\n" (lib.forEach ["low" "medium" "high"] (quality: let
bitrates = {
"low" = "64";
"medium" = "96";
"high" = "128";
};
bitrate = bitrates.${quality};
in ''
audio_output {
type "httpd"
name "HTTP Opus ${bitrate}k"
encoder "opus"
port "${toString ports."mpd-opus-${quality}"}"
bitrate "${bitrate}000"
format "44100:16:2"
always_on "yes"
tags "yes"
signal "music"
}
''))
+ ''
audio_output {
type "httpd"
name "HTTP FLAC"
encoder "flac"
port "${toString ports.mpd-flac}"
format "44100:16:2"
always_on "yes"
tags "yes"
}
'';
};
}