[Solved] Load playlist

Need help with MPD?
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clarky56
Posts: 5
Joined: March 21st, 2020, 3:45 pm

[Solved] Load playlist

Post by clarky56 »

Hi,

First off all, I'm french so excuse me for my poor English :lol:

I'm trying to use a Raspberry 3 to listen internet radio at home with a mobile device.

The main idea is to use mpd as music deamon and Python to control it via some buttons (vol +/-, station +/-). A very simple stuff.

But, since the beginning of this small project, I don't understand how exactly mpd manages playlists file and radio lists.

The mpd.conf file has not been changed :

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# 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              "/var/lib/mpd/playlists"
In the related folder, I have a radio_list.m3u :

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pi@raspberrypi:/etc $ cd /var/lib/mpd/playlists/
pi@raspberrypi:/var/lib/mpd/playlists $ ls
radio_list.m3u
With few radio stream link in it :

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#01 Couleur 3
http://stream.srg-ssr.ch/m/couleur3/aacp_96
#2 EXTINF:-1,FIP Radio
http://direct.fipradio.fr/live/fip-midfi.mp3
#3 La 1ère
http://stream.srg-ssr.ch/m/la-1ere/aacp
Everything seems to be OK (radios work) but i tried to add and remove radio http --> mpd does not seem to care and doesn't apply changes. mpd seems not to see this file...

And when I tried to add a radio http link via mpc.

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mpc add http://www.skyrock.fm/stream.php/tunein16_128mp3.mp3
This new radio address works perfectly but the new address is not added on the radio_list.m3u file... So where mpd (and mpc) stores playlist file ?

Where is my mistake? How do I reload the file via my Python script?

Thanks for your help
Last edited by clarky56 on April 1st, 2020, 8:08 pm, edited 1 time in total.

max
Forum team
Posts: 1127
Joined: January 15th, 2013, 3:43 pm

Re: Load playlist

Post by max »

"but i tried to add and remove radio http"
What exactly does that mean?
Also please do https://www.musicpd.org/help/

clarky56
Posts: 5
Joined: March 21st, 2020, 3:45 pm

Re: Load playlist

Post by clarky56 »

Hi Max,

Thanks for your reply. Ok, my explanations were not so clear.

Fist, I test mpd, via mpc with :

Code: Select all

mpc add http://www.skyrock.fm/stream.php/tunein16_128mp3.mp3
And it works perfectly.

Then I wanted to create a radio playlist stored in a file, in file specified in mpd.conf. A basic stuff. I created a simple file :

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#01 Couleur 3
http://stream.srg-ssr.ch/m/couleur3/aacp_96
#2 EXTINF:-1,FIP Radio
http://direct.fipradio.fr/live/fip-midfi.mp3
#3 La 1ère
http://stream.srg-ssr.ch/m/la-1ere/aacp
I restart mpd.

mpd does not seems to take this playlist file into consideration and play only the radio added via mpc.

As resquested, i use paste.debian.net on IRC to send configuration and log files.

Thanf

max
Forum team
Posts: 1127
Joined: January 15th, 2013, 3:43 pm

Re: Load playlist

Post by max »

Your explanations are still not clear, not at all.

"in file specified in mpd.conf"
What does that mean?

"i use paste.debian.net on IRC to send configuration and log files"
Whatever you did, it was wrong. You used IRC, how? Where did you post the paste URLs, which channel? I don't see anything on IRC. Why are you even using IRC, when you use the forum at the same time?

clarky56
Posts: 5
Joined: March 21st, 2020, 3:45 pm

Re: Load playlist

Post by clarky56 »

Hi Max,

Sorry for the lack of elements, I post. Hard to explain and to use tools I'm not confidant with, particularly in English.

Here is my mpd.conf :

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# An example configuration file for MPD.
# Read the user manual for documentation: http://www.musicpd.org/doc/user/
# or /usr/share/doc/mpd/user-manual.html


# 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		"/home/jean-marc/Documents/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		"/home/jean-marc/Documents/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			"/var/lib/mpd/tag_cache"
# 
# 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, otherwise logging is disabled.
#
log_file			"/var/log/mpd/mpd.log"
#
# 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			"/run/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			"/var/lib/mpd/state"
#
# The location of the sticker database.  This is a database which
# manages dynamic information attached to songs.
#
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. Choose any if you want
# to have mpd listen on every address. Not effective if systemd socket
# activation is in use.
#
# For network
bind_to_address		"localhost"
#
# And for Unix Socket
#bind_to_address		"/run/mpd/socket"
#
# This setting is the TCP port that is desired for the daemon to get assigned
# to.
#
#port				"6600"
#
# This setting controls the type of information which is logged. Available 
# setting arguments are "default", "secure" or "verbose". The "verbose" setting
# argument is recommended for troubleshooting, though can quickly stretch
# available resources on limited hardware storage.
#
#log_level			"default"
#
# If you have a problem with your MP3s ending abruptly it is recommended that 
# you set this argument to "no" to attempt to fix the problem. If this solves
# the problem, it is highly recommended to fix the MP3 files with vbrfix
# (available as vbrfix in the debian archive), at which
# point gapless MP3 playback can be enabled.
#
#gapless_mp3_playback			"yes"
#
# Setting "restore_paused" to "yes" puts MPD into pause mode instead
# of starting playback after startup.
#
#restore_paused "no"
#
# 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 mpd.conf man page.
#metadata_to_use	"artist,album,title,track,name,genre,date,composer,performer,disc"
#
# 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"
#
###############################################################################


# Zeroconf / Avahi Service Discovery ##########################################
#
# If this setting is set to "yes", service information will be published with
# Zeroconf / Avahi.
#
#zeroconf_enabled		"yes"
#
# The argument to this setting will be the Zeroconf / Avahi unique name for
# this MPD server on the network.
#
#zeroconf_name			"Music Player"
#
###############################################################################


# Permissions #################################################################
#
# If this setting is set, MPD will require password authorization. The password
# can 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.
#
# An example of an ALSA output:
#
audio_output {
	type		"alsa"
	name		"My ALSA Device"
#	device		"hw:0,0"	# optional
#	mixer_type      "hardware"      # optional
#	mixer_device	"default"	# optional
#	mixer_control	"PCM"		# optional
#	mixer_index	"0"		# optional
}
#
# An example of an OSS output:
#
#audio_output {
#	type		"oss"
#	name		"My OSS Device"
#	device		"/dev/dsp"	# optional
#	mixer_type      "hardware"      # optional
#	mixer_device	"/dev/mixer"	# optional
#	mixer_control	"PCM"		# optional
#}
#
# An example of a shout output (for streaming to Icecast):
#
#audio_output {
#	type		"shout"
#	encoder		"vorbis"		# optional
#	name		"My Shout Stream"
#	host		"localhost"
#	port		"8000"
#	mount		"/mpd.ogg"
#	password	"hackme"
#	quality		"5.0"
#	bitrate		"128"
#	format		"44100:16:1"
#	protocol	"icecast2"		# optional
#	user		"source"		# optional
#	description	"My Stream Description"	# optional
#	url             "http://example.com"    # optional
#	genre		"jazz"			# optional
#	public		"no"			# optional
#	timeout		"2"			# optional
#	mixer_type      "software"              # optional
#}
#
# An example of a recorder output:
#
#audio_output {
#       type            "recorder"
#       name            "My recorder"
#       encoder         "vorbis"                # optional, vorbis or lame
#       path            "/var/lib/mpd/recorder/mpd.ogg"
##      quality         "5.0"                   # do not define if bitrate is defined
#       bitrate         "128"                   # do not define if quality is defined
#       format          "44100:16:1"
#}
#
# An example of a httpd output (built-in HTTP streaming server):
#
#audio_output {
#	type		"httpd"
#	name		"My HTTP Stream"
#	encoder		"vorbis"		# optional, vorbis or lame
#	port		"8000"
#	bind_to_address "0.0.0.0"               # optional, IPv4 or IPv6
#	quality		"5.0"			# do not define if bitrate is defined
#	bitrate		"128"			# do not define if quality is defined
#	format		"44100:16:1"
#	max_clients     "0"                     # optional 0=no limit
#}
#
# An example of a pulseaudio output (streaming to a remote pulseaudio server)
# Please see README.Debian if you want mpd to play through the pulseaudio
# daemon started as part of your graphical desktop session!
#
#audio_output {
#	type		"pulse"
#	name		"My Pulse Output"
#	server		"remote_server"		# optional
#	sink		"remote_server_sink"	# optional
#}
#
# An example of a winmm output (Windows multimedia API).
#
#audio_output {
#	type		"winmm"
#	name		"My WinMM output"
#	device		"Digital Audio (S/PDIF) (High Definition Audio Device)" # optional
#		or
#	device		"0"		# optional
#	mixer_type	"hardware"	# optional
#}
#
# An example of an openal output.
#
#audio_output {
#	type		"openal"
#	name		"My OpenAL output"
#	device		"Digital Audio (S/PDIF) (High Definition Audio Device)" # optional
#}
#
# An example of an sndio output.
#
#audio_output {
#  type        "sndio"
#  name        "sndio output"
#  mixer_type  "software"
#}
#
## Example "pipe" output:
#
#audio_output {
#	type		"pipe"
#	name		"my pipe"
#	command		"aplay -f cd 2>/dev/null"
## Or if you're want to use AudioCompress
#	command		"AudioCompress -m | aplay -f cd 2>/dev/null"
## Or to send raw PCM stream through PCM:
#	command		"nc example.org 8765"
#	format		"44100:16:2"
#}
#
## An example of a null output (for no audio output):
#
#audio_output {
#	type		"null"
#	name		"My Null Output"
#	mixer_type      "none"                  # optional
#}
#
###############################################################################


# 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"
#
############################################################################### 
Here is mpd --version

Code: Select all

 Music Player Daemon 0.20.18

Copyright (C) 2003-2007 Warren Dukes <warren.dukes@gmail.com>
Copyright 2008-2017 Max Kellermann <max.kellermann@gmail.com>
This is free software; see the source for copying conditions.  There is NO
warranty; not even MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Database plugins:
 simple proxy upnp

Storage plugins:
 local smbclient nfs curl

Neighbor plugins:
 smbclient upnp

Decoders plugins:
 [mad] mp3 mp2
 [mpg123] mp3
 [vorbis] ogg oga
 [oggflac] ogg oga
 [flac] flac
 [opus] opus ogg oga
 [sndfile] wav aiff aif au snd paf iff svx sf voc w64 pvf xi htk caf sd2
 [audiofile] wav au aiff aif
 [dsdiff] dff
 [dsf] dsf
 [faad] aac
 [mpcdec] mpc
 [wavpack] wv
 [modplug] 669 amf ams dbm dfm dsm far it med mdl mod mtm mt2 okt s3m stm ult umx xm
 [mikmod] amf dsm far gdm imf it med mod mtm s3m stm stx ult uni xm
 [sidplay] sid mus str prg P00
 [wildmidi] mid
 [fluidsynth] mid
 [adplug] amd d00 hsc laa rad raw sa2
 [ffmpeg] 16sv 3g2 3gp 4xm 8svx aa3 aac ac3 adx afc aif aifc aiff al alaw amr anim apc ape asf atrac au aud avi avm2 avs bap bfi c93 cak cin cmv cpk daud dct divx dts dv dvd dxa eac3 film flac flc fli fll flx flv g726 gsm gxf iss m1v m2v m2t m2ts m4a m4b m4v mad mj2 mjpeg mjpg mka mkv mlp mm mmf mov mp+ mp1 mp2 mp3 mp4 mpc mpeg mpg mpga mpp mpu mve mvi mxf nc nsv nut nuv oga ogm ogv ogx oma ogg omg opus psp pva qcp qt r3d ra ram rl2 rm rmvb roq rpl rvc shn smk snd sol son spx str swf tak tgi tgq tgv thp ts tsp tta xa xvid uv uv2 vb vid vob voc vp6 vmd wav webm wma wmv wsaud wsvga wv wve
 [gme] ay gbs gym hes kss nsf nsfe sap spc vgm vgz
 [pcm]

Filters:
 libsamplerate soxr

Tag plugins:
 id3tag

Output plugins:
 shout null fifo pipe alsa roar ao oss openal pulse jack httpd recorder

Encoder plugins:
 null vorbis opus lame wave flac

Archive plugins:
 [bz2] bz2
 [zzip] zip
 [iso] iso

Input plugins:
 file alsa archive curl ffmpeg smbclient nfs mms cdio_paranoia

Playlist plugins:
 extm3u m3u pls xspf asx rss soundcloud flac cue embcue

Protocols:
 file:// http:// https:// mms:// mmsh:// mmst:// mmsu:// gopher:// rtp:// rtsp:// rtmp:// rtmpt:// rtmps:// smb:// nfs:// cdda:// alsa://

Other features:
 avahi epoll icu inotify ipv6 systemd tcp un
playlists folder with 2 files :

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jean-marc@compter:~/Documents/mpd/playlists$ ls -a
.  ..  radio-france  radio-suisse
file 1 : radio-france

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jean-marc@mycomputer:~/Documents/mpd/playlists$ cat radio-france 
http://direct.franceculture.fr/live/franceculture-midfi.mp3
file 2 : radio-suisse

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jean-marc@computer:~/Documents/mpd/playlists$ cat radio-suisse 
http://stream.srg-ssr.ch/m/la-1ere/mp3_128
http://stream.srg-ssr.ch/m/couleur3/mp3_128
radio added through mpc (just to test).

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mpc add http://radios.rtbf.be/laprem1erebxl-128.mp3
I wrote a Hello World Python script to test if the radios links above are played or not. Only the radio added with mpc works. Others are ignored.

mpd.log

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Mar 25 19:34 : client: [10] opened from 127.0.0.1:39486
Mar 25 19:35 : player: played "http://radios.rtbf.be/laprem1erebxl-128.mp3"
Mar 25 19:35 : client: [10] closed
Mar 25 19:38 : client: [11] opened from 127.0.0.1:39510
Mar 25 19:38 : exception: Not playing
Mar 25 19:38 : client: [11] closed
Mar 25 19:38 : client: [12] opened from 127.0.0.1:39512
Mar 25 19:38 : exception: Not playing
Mar 25 19:38 : client: [12] closed
Mar 25 19:38 : client: [13] opened from 127.0.0.1:39514
Mar 25 19:38 : exception: Not playing
Mar 25 19:38 : client: [13] closed
Mar 25 19:38 : client: [14] opened from 127.0.0.1:39516
Mar 25 19:38 : exception: Not playing
Mar 25 19:38 : client: [14] closed
Mar 25 19:39 : client: [15] opened from 127.0.0.1:39518
Mar 25 19:39 : exception: Not playing
Mar 25 19:39 : client: [15] closed
Mar 25 19:39 : client: [16] opened from 127.0.0.1:39520
Mar 25 19:39 : exception: Not playing
Mar 25 19:39 : client: [16] closed
HelloWorld Pyhton Script :

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#!/usr/bin/python
import mpd
import time

# use_unicode will enable the utf-8 mode for python2
# see https://python-mpd2.readthedocs.io/en/latest/topics/advanced.html#unicode-handling
client = mpd.MPDClient(use_unicode=True)
client.connect("localhost", 6600)

client.setvol(30)
time.sleep(10)
client.next()
client.setvol(10)
print(client.playlistinfo())

print(client.mpd_version)

for entry in client.lsinfo("/"):
    print("%s" % entry)
for key, value in client.status().items():
    print("%s: %s" % (key, value))
HelloWorld command result :

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jean-marc@pc-hpbookpro-jean-marc:~/Documents/mpd$ sudo python3 helloworld.py
[{'file': 'http://radios.rtbf.be/laprem1erebxl-128.mp3', 'pos': '0', 'id': '1'}]
0.20.0
volume: -1
repeat: 0
random: 0
single: 0
consume: 0
playlist: 4
playlistlength: 1
mixrampdb: 0.000000
state: stop
error: Not seekable
Hope these elements help to understand my problem.

mpd ignores radios in folders specified in the mpd.conf playlist_directory and play only radio added with mpc.

I'm certainly wrong somewhere but as you probably noticed, I'm a newbie but I try to learn.

Again, merci for your help.

Jean-Marc

max
Forum team
Posts: 1127
Joined: January 15th, 2013, 3:43 pm

Re: Load playlist

Post by max »

I think you misunderstand the "playlist_directory" setting. It is the storage for playlists managed by MPD (and its clients). This is not the play queue! MPD will not magically play files you copy there, and you shouldn't copy any files there at all.

If you want to load a playlist file you created, just use the "load" command and point it to that playlist file. For example, you could copy a file called "test.m3u" to your music_directory and then type "mpc load test.m3u" to append the playlist's contents to MPD's play queue.

clarky56
Posts: 5
Joined: March 21st, 2020, 3:45 pm

Re: Load playlist

Post by clarky56 »

Hi Max and thank you for your patience !

Code: Select all

It is the storage for playlists managed by MPD (and its clients). This is not the play queue! 

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For example, you could copy a file called "test.m3u" to your music_directory and then type "mpc load test.m3u" to append the playlist's contents to MPD's play queue.
Now it's clear : I tested it and it's working. The client appends the playlist : MPD itself does not play the file (and its content) located in the playlist_directory.

A last question, that is still not clear. When i do :

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mpc add http://radios.rtbf.be/laprem1erebxl-128.mp3

Where this URL is stored ?

max
Forum team
Posts: 1127
Joined: January 15th, 2013, 3:43 pm

Re: Load playlist

Post by max »

This URL is stored in the play queue. But you can save your current queue any time into a stored playlist with mpc's `save` command.

clarky56
Posts: 5
Joined: March 21st, 2020, 3:45 pm

Re: Load playlist

Post by clarky56 »

OK, I understand now how it works.

Again, thank you for your help and your patience !

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