Initial setup

.gitignore

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+ledfx/LedFx.log
+mpd/varlib/*
+!mpd/varlib/.keep

docker-compose.yml

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+version: "3.8"
+
+services:
+
+  mpd:
+    build: ./mpd
+    ports:
+      - "6600:6600"
+    volumes:
+      - /home/user/compressed:/var/lib/mpd/music/:ro
+      - ./mpd/varlib/:/var/lib/mpd/
+      - streamfile:/tmp
+    
+  snapserver:
+    build: ./snapserver
+    ports:
+        - "1704:1704"
+        - "1705:1705"
+        - "1780:1780"
+    volumes:
+        - streamfile:/tmp
+
+  ledfx:
+    image: shirom/ledfx:latest
+    container_name: ledfx
+    environment: 
+      - HOST=snapserver
+    ports:
+      - 8888:8888
+    volumes:
+      - ./ledfx/:/root/.ledfx:rw
+
+volumes:
+  streamfile:
+    name: streamfile

ledfx/config.json

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+{
+    "audio": {},
+    "configuration_version": "2.1.0",
+    "dev_mode": false,
+    "devices": [],
+    "global_transitions": true,
+    "host": "0.0.0.0",
+    "integrations": [],
+    "melbanks": {},
+    "port": 8888,
+    "port_s": 8443,
+    "scan_on_startup": false,
+    "scenes": {},
+    "user_colors": {},
+    "user_gradients": {},
+    "user_presets": {},
+    "virtuals": [],
+    "visualisation_fps": 30,
+    "visualisation_maxlen": 50,
+    "wled_preferences": {}
+}

mpd/Dockerfile

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+#
+# Dockerfile for mpd
+#
+
+#FROM alpine:3
+FROM vimagick/mpd
+
+#RUN set -xe \
+#    && apk add --no-cache mpd mpc ncmpc ncmpcpp  
+#
+#VOLUME ["/var/lib/mpd"]
+#VOLUME ["/var/lib/mpd/music"]
+#VOLUME ["/tmp"]
+#
+#ADD ["start.sh", "/start.sh"]
+ADD ["mpd.conf", "/etc/mpd.conf"]
+
+EXPOSE 6600
+
+#ENTRYPOINT ["/start.sh"]
+
+#CMD ["mpd", "--stdout", "--no-daemon", "/etc/mpd/mpd.conf"] 

mpd/mpd.conf

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+
+# A configuration file for MPD.
+# Read the user manual for documentation: http://www.musicpd.org/doc/user/
+
+
+# Files and directories #######################################################
+#
+# This setting controls the top directory which MPD will search to discover the
+# available audio files and add them to the daemon's online database. This 
+# setting defaults to the XDG directory, otherwise the music directory will be
+# be disabled and audio files will only be accepted over ipc socket (using
+# file:// protocol) or streaming files over an accepted protocol.
+#
+#music_directory                "~/music"
+music_directory    "/var/lib/mpd/music"
+#
+# This setting sets the MPD internal playlist directory. The purpose of this
+# directory is storage for playlists created by MPD. The server will use 
+# playlist files not created by the server but only if they are in the MPD
+# format. This setting defaults to playlist saving being disabled.
+#
+#playlist_directory             "~/.mpd/playlists"
+playlist_directory "/var/lib/mpd/playlists"
+#
+# This setting sets the location of the MPD database. This file is used to
+# load the database at server start up and store the database while the 
+# server is not up. This setting defaults to disabled which will allow
+# MPD to accept files over ipc socket (using file:// protocol) or streaming
+# files over an accepted protocol.
+#
+#db_file                        "~/.mpd/database"
+db_file            "/var/lib/mpd/database"
+# 
+# These settings are the locations for the daemon log files for the daemon.
+# These logs are great for troubleshooting, depending on your log_level
+# settings.
+#
+# The special value "syslog" makes MPD use the local syslog daemon. This
+# setting defaults to logging to syslog.
+#
+log_file                "syslog"
+#
+# This setting sets the location of the file which stores the process ID
+# for use of mpd --kill and some init scripts. This setting is disabled by
+# default and the pid file will not be stored.
+#
+#pid_file                       "~/.mpd/pid"
+#
+# This setting sets the location of the file which contains information about
+# most variables to get MPD back into the same general shape it was in before
+# it was brought down. This setting is disabled by default and the server 
+# state will be reset on server start up.
+#
+#state_file                     "~/.mpd/state"
+state_file         "/var/lib/mpd/state"
+#
+# The location of the sticker database.  This is a database which
+# manages dynamic information attached to songs.
+#
+#sticker_file                   "~/.mpd/sticker.sql"
+sticker_file       "/var/lib/mpd/sticker.sql"
+#
+###############################################################################
+
+
+# General music daemon options ################################################
+#
+# This setting specifies the user that MPD will run as. MPD should never run as
+# root and you may use this setting to make MPD change its user ID after
+# initialization. This setting is disabled by default and MPD is run as the
+# current user.
+#
+user            "mpd"
+#
+# This setting specifies the group that MPD will run as. If not specified
+# primary group of user specified with "user" setting will be used (if set).
+# This is useful if MPD needs to be a member of group such as "audio" to
+# have permission to use sound card.
+#
+#group                          "nogroup"
+#
+# This setting sets the address for the daemon to listen on. Careful attention
+# should be paid if this is assigned to anything other then the default, any.
+# This setting can deny access to control of the daemon. Not effective if
+# systemd socket activiation is in use.
+#
+# For network
+#bind_to_address                "any"
+#
+# And for Unix Socket
+#bind_to_address                "~/.mpd/socket"
+#
+# This setting is the TCP port that is desired for the daemon to get assigned
+# to.
+#
+#port                           "6600"
+#
+# Suppress all messages below the given threshold.  Use "verbose" for
+# troubleshooting.
+#
+#log_level                      "notice"
+#
+# Setting "restore_paused" to "yes" puts MPD into pause mode instead
+# of starting playback after startup.
+#
+#restore_paused "no"
+restore_paused "yes"
+#
+# This setting enables MPD to create playlists in a format usable by other
+# music players.
+#
+#save_absolute_paths_in_playlists       "no"
+#
+# This setting defines a list of tag types that will be extracted during the
+# audio file discovery process. The complete list of possible values can be
+# found in the user manual.
+#metadata_to_use        "artist,album,title,track,name,genre,date,composer,performer,disc"
+#
+# This example just enables the "comment" tag without disabling all
+# the other supported tags:
+#metadata_to_use "+comment"
+#
+# This setting enables automatic update of MPD's database when files in 
+# music_directory are changed.
+#
+#auto_update    "yes"
+#
+# Limit the depth of the directories being watched, 0 means only watch
+# the music directory itself.  There is no limit by default.
+#
+#auto_update_depth "3"
+#
+###############################################################################
+
+
+# Symbolic link behavior ######################################################
+#
+# If this setting is set to "yes", MPD will discover audio files by following 
+# symbolic links outside of the configured music_directory.
+#
+#follow_outside_symlinks        "yes"
+#
+# If this setting is set to "yes", MPD will discover audio files by following
+# symbolic links inside of the configured music_directory.
+#
+#follow_inside_symlinks         "yes"
+follow_outside_symlinks         "no"
+#
+###############################################################################
+
+
+# Zeroconf / Avahi Service Discovery ##########################################
+#
+# If this setting is set to "yes", service information will be published with
+# Zeroconf / Avahi.
+#
+#zeroconf_enabled               "yes"
+zeroconf_enabled               "no"
+#
+# The argument to this setting will be the Zeroconf / Avahi unique name for
+# this MPD server on the network. %h will be replaced with the hostname.
+#
+#zeroconf_name                  "Music Player @ %h"
+#
+###############################################################################
+
+
+# Permissions #################################################################
+#
+# If this setting is set, MPD will require password authorization. The password
+# setting can be specified multiple times for different password profiles.
+#
+#password                        "password@read,add,control,admin"
+#
+# This setting specifies the permissions a user has who has not yet logged in. 
+#
+#default_permissions             "read,add,control,admin"
+#
+###############################################################################
+
+
+# Database #######################################################################
+#
+
+#database {
+#       plugin "proxy"
+#       host "other.mpd.host"
+#       port "6600"
+#}
+
+# Input #######################################################################
+#
+
+input {
+        plugin "curl"
+#       proxy "proxy.isp.com:8080"
+#       proxy_user "user"
+#       proxy_password "password"
+}
+
+#
+###############################################################################
+
+# Audio Output ################################################################
+#
+# MPD supports various audio output types, as well as playing through multiple 
+# audio outputs at the same time, through multiple audio_output settings 
+# blocks. Setting this block is optional, though the server will only attempt
+# autodetection for one sound card.
+#
+
+audio_output {
+    type            "fifo"
+    name            "snapcast"
+    path            "/tmp/snapfifo"
+    format          "48000:16:2"
+    mixer_type      "software"
+}
+
+#
+###############################################################################
+
+
+# Normalization automatic volume adjustments ##################################
+#
+# This setting specifies the type of ReplayGain to use. This setting can have
+# the argument "off", "album", "track" or "auto". "auto" is a special mode that
+# chooses between "track" and "album" depending on the current state of
+# random playback. If random playback is enabled then "track" mode is used.
+# See <http://www.replaygain.org> for more details about ReplayGain.
+# This setting is off by default.
+#
+#replaygain                     "album"
+#
+# This setting sets the pre-amp used for files that have ReplayGain tags. By
+# default this setting is disabled.
+#
+#replaygain_preamp              "0"
+#
+# This setting sets the pre-amp used for files that do NOT have ReplayGain tags.
+# By default this setting is disabled.
+#
+#replaygain_missing_preamp      "0"
+#
+# This setting enables or disables ReplayGain limiting.
+# MPD calculates actual amplification based on the ReplayGain tags
+# and replaygain_preamp / replaygain_missing_preamp setting.
+# If replaygain_limit is enabled MPD will never amplify audio signal
+# above its original level. If replaygain_limit is disabled such amplification
+# might occur. By default this setting is enabled.
+#
+#replaygain_limit               "yes"
+#
+# This setting enables on-the-fly normalization volume adjustment. This will
+# result in the volume of all playing audio to be adjusted so the output has 
+# equal "loudness". This setting is disabled by default.
+#
+#volume_normalization           "no"
+#
+###############################################################################
+
+# Character Encoding ##########################################################
+#
+# If file or directory names do not display correctly for your locale then you 
+# may need to modify this setting.
+#
+#filesystem_charset             "UTF-8"
+#
+###############################################################################

snapserver/Dockerfile

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+# make snapweb files 
+FROM ubuntu AS builder
+
+ENV TZ=Europe/Berlin
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+RUN apt-get update && apt-get install -y git make node-typescript
+
+WORKDIR /
+RUN git clone https://github.com/badaix/snapweb.git
+WORKDIR /snapweb 
+RUN make
+
+# Install SnapServer on minimal OS
+FROM alpine
+
+RUN apk add --no-cache snapcast
+
+ADD ["snapserver.conf", "/etc/snapserver.conf"]
+COPY --from=builder snapweb/dist /usr/share/snapserver/snapweb
+# stream port (1704)
+EXPOSE 1704
+# control port (1705)
+EXPOSE 1705
+# http port (1780)
+EXPOSE 1780
+
+ENTRYPOINT ["snapserver"]

snapserver/snapserver.conf

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+###############################################################################
+#     ______                                                                  #
+#    / _____)                                                                 #
+#   ( (____   ____   _____  ____    ___  _____   ____  _   _  _____   ____    #
+#    \____ \ |  _ \ (____ ||  _ \  /___)| ___ | / ___)| | | || ___ | / ___)   #
+#    _____) )| | | |/ ___ || |_| ||___ || ____|| |     \ V / | ____|| |       #
+#   (______/ |_| |_|\_____||  __/ (___/ |_____)|_|      \_/  |_____)|_|       #
+#                          |_|                                                #
+#                                                                             #
+#  Snapserver config file                                                     #
+#                                                                             #
+###############################################################################
+
+# default values are commented
+# uncomment and edit to change them
+
+# Settings can be overwritten on command line with:
+#  "--<section>.<name>=<value>", e.g. --server.threads=4
+
+
+# General server settings #####################################################
+#
+[server]
+# Number of additional worker threads to use
+# - For values < 0 the number of threads will be 2 (on single and dual cores)
+#   or 4 (for quad and more cores)
+# - 0 will utilize just the processes main thread and might cause audio drops 
+#   in case there are a couple of longer running tasks, such as encoding 
+#   multiple audio streams
+#threads = -1
+
+# the pid file when running as daemon
+#pidfile = /var/run/snapserver/pid
+
+# the user to run as when daemonized
+#user = snapserver
+# the group to run as when daemonized
+#group = snapserver
+
+# directory where persistent data is stored (server.json)
+# if empty, data dir will be
+#  - "/var/lib/snapserver/" when running as daemon
+#  - "$HOME/.config/snapserver/" when not running as daemon
+#datadir = 
+
+#
+###############################################################################
+
+
+# HTTP RPC ####################################################################
+#
+[http]
+# enable HTTP Json RPC (HTTP POST and websockets)
+#enabled = true
+
+# address to listen on, can be specified multiple times
+# use "0.0.0.0" to bind to any IPv4 address or :: to bind to any IPv6 address
+# or "127.0.0.1" or "::1" to bind to localhost IPv4 or IPv6, respectively
+# use the address of a specific network interface to just listen to and accept
+# connections from that interface
+#bind_to_address = 0.0.0.0
+
+# which port the server should listen to
+#port = 1780
+
+# serve a website from the doc_root location
+# disabled if commented or empty
+doc_root = /usr/share/snapserver/snapweb
+#
+###############################################################################
+
+
+# TCP RPC #####################################################################
+#
+[tcp]
+# enable TCP Json RPC
+#enabled = true
+
+# address to listen on, can be specified multiple times
+# use "0.0.0.0" to bind to any IPv4 address or :: to bind to any IPv6 address
+# or "127.0.0.1" or "::1" to bind to localhost IPv4 or IPv6, respectively
+# use the address of a specific network interface to just listen to and accept
+# connections from that interface
+#bind_to_address = 0.0.0.0
+
+# which port the server should listen to
+#port = 1705
+#
+###############################################################################
+
+
+# Stream settings #############################################################
+#
+[stream]
+# address to listen on, can be specified multiple times
+# use "0.0.0.0" to bind to any IPv4 address or :: to bind to any IPv6 address
+# or "127.0.0.1" or "::1" to bind to localhost IPv4 or IPv6, respectively
+# use the address of a specific network interface to just listen to and accept
+# connections from that interface
+#bind_to_address = 0.0.0.0
+
+# which port the server should listen to
+#port = 1704
+
+# source URI of the PCM input stream, can be configured multiple times
+# The following notation is used in this paragraph:
+#  <angle brackets>: the whole expression must be replaced with your specific setting
+# [square brackets]: the whole expression is optional and can be left out
+# [key=value]: if you leave this option out, "value" will be the default for "key"
+#
+# Format: TYPE://host/path?name=<name>[&codec=<codec>][&sampleformat=<sampleformat>][&chunk_ms=<chunk ms>] 
+#  parameters have the form "key=value", they are concatenated with an "&" character
+#  parameter "name" is mandatory for all sources, while codec, sampleformat and chunk_ms are optional
+#  and will override the default codec, sampleformat or chunk_ms settings
+# Non blocking sources support the dryout_ms parameter: when no new data is read from the source, send silence to the clients
+# Available types are:
+# pipe: pipe:///<path/to/pipe>?name=<name>[&mode=create][&dryout_ms=2000], mode can be "create" or "read"
+# librespot: librespot:///<path/to/librespot>?name=<name>[&dryout_ms=2000][&username=<my username>&password=<my password>][&devicename=Snapcast][&bitrate=320][&wd_timeout=7800][&volume=100][&onevent=""][&nomalize=false][&autoplay=false][&params=<generic librepsot process arguments>]
+#  note that you need to have the librespot binary on your machine
+#  sampleformat will be set to "44100:16:2"
+# file: file:///<path/to/PCM/file>?name=<name>
+# process: process:///<path/to/process>?name=<name>[&dryout_ms=2000][&wd_timeout=0][&log_stderr=false][&params=<process arguments>]
+# airplay: airplay:///<path/to/airplay>?name=<name>[&dryout_ms=2000][&port=5000]
+#  note that you need to have the airplay binary on your machine
+#  sampleformat will be set to "44100:16:2"
+# tcp server: tcp://<listen IP, e.g. 127.0.0.1>:<port>?name=<name>[&mode=server]
+# tcp client: tcp://<server IP, e.g. 127.0.0.1>:<port>?name=<name>&mode=client
+# alsa: alsa://?name=<name>&device=<alsa device>[&send_silence=false][&idle_threshold=100]
+# meta: meta:///<name of source#1>/<name of source#2>/.../<name of source#N>?name=<name>
+source = pipe:///tmp/snapfifo?name=default
+#source = tcp://127.0.0.1?name=mopidy_tcp
+
+# Default sample format
+#sampleformat = 48000:16:2
+
+# Default transport codec
+# (flac|ogg|opus|pcm)[:options]
+# Type codec:? to get codec specific options
+#codec = flac
+
+# Default source stream read chunk size [ms]
+#chunk_ms = 20
+
+# Buffer [ms]
+#buffer = 1000
+
+# Send audio to muted clients
+#send_to_muted = false
+#
+###############################################################################
+
+
+# Logging options #############################################################
+#
+[logging]
+
+# log sink [null,system,stdout,stderr,file:<filename>]
+# when left empty: if running as daemon "system" else "stdout"
+#sink = 
+
+# log filter <tag>:<level>[,<tag>:<level>]* 
+# with tag = * or <log tag> and level = [trace,debug,info,notice,warning,error,fatal]
+#filter = *:info
+#
+###############################################################################