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babo
Guru
Joined: 10 Aug 2004
Posts: 477
Location: Ljubljana
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 Posted: Thu May 05, 2005 2:02 pm Post subject: MPD mini HOWTO |
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Since I had a lot of trouble getting mpd to work, I decided to write this. I'm no expert, but it might be usefull to someone. And corrections are wellcome ofcourse.
The user in this howto is "benjohnson"
So:
the first step is to emerge mpd and some mpd clients. I went for 'mpc' (command line) and 'kmp' which is not masked for amd64 and x86 (this are the archs I have)
| Code: | | # emerge mpd mpc kmp |
than configuration comes in:
/etc/mpd.conf
| Code: | # MPD CONFIG FILE
# For a full description of all config parameters,
# Check the mpd man page, "man mpd".
##################### REQUIRED ###########################
port "6600"
music_directory "/your/music/directory"
playlist_directory "/usr/share/mpd/playlists"
log_file "/usr/share/mpd/mpd.log"
error_file "/usr/share/mpd/mpd.error.log"
##########################################################
##########################################################
# EVERYTHING ELSE IS OPTIONAL
##########################################################
################# FILESYSTEM SETTINGS ####################
#
# If the names of files or directories are
# not correctly displayed then set the
# following to the filesystem coding.
#
# Usually this is either:
# ISO-8859-1 or UTF-8
#
# After changing the filesystem_charset
# you will need to recreate the db:
# mpd --create-db
#
filesystem_charset "UTF-8"
#
##########################################################
#################### OPTIONAL FILES ######################
#
# Location of DB file
#
db_file "/usr/share/mpd/mpd.db"
#
# The state file (if set) will be a file
# for storing all current information
# (playlist, playing/paused, etc...) from
# the last MPD session. This will be used
# to recreate your last MPD session after
# restart.
#
state_file "~/.mpd/mpdstate"
#
##########################################################
################### VOLUME MIXER #########################
#
# Examples:
# ALSA Mixer
mixer_type "alsa"
mixer_device "default"
mixer_control "PCM"
#
# OSS Mixer
#mixer_type "oss"
#mixer_device "/dev/mixer"
#mixer_control "PCM"
#
# Software Mixer
#mixer_type "software"
#
##########################################################
################## AUDIO OUTPUT ##########################
#
# OSS Audio Output
#ao_driver "oss"
#ao_driver_options "dsp=/dev/dsp"
#
# ALSA Audio Output
ao_driver "alsa09"
ao_driver_options "dev=hw:0,0"
#
# Set this if you have problems
# playing audio files.
# This will resample your music so
# that it comes out at the set rate.
#
audio_output_format "44100:16:2"
#
# You should not need mess with
# this value unless you know
# what you're doing.
#
#audio_write_size "1024"
#
##########################################################
################# REPLAYGAIN #############################
#
# Use Replay Gain (album or title)
# http://www.replaygain.org
#
#replaygain "album"
#
# Sets the pre-amp used for files that have replaygain
# info. Valid values are between -15 to 15 (in dB).
#
#replaygain_preamp "0"
#
##########################################################
################ OUTPUT BUFFER SETTINGS ##################
#
# You should not need to mess with this
# unless you know what you're doing.
#
#audio_buffer_size "2048"
#
# This means exactly what it says, it will
# buffer your file up to the percentage of
# the buffer before it begins playing.
#
#buffer_before_play "25%"
#
##########################################################
################### HTTP PROXY ###########################
#
# http_proxy_host "proxy.isp.com"
# http_proxy_port "8080"
# http_proxy_user "user"
# http_proxy_password "password"
#
##########################################################
################# SECURITY SETTINGS ######################
#
# It is encouraged to run MPD as
# non-superuser. If you start mpd as root
# (for example, in an init script), set
# this value, then mpd will drop root priveleges
# and runs as the user specified.
#
user "benjohnson"
#
# Set this value if you only have one
# address you want to allow connection to.
#
bind_to_address "localhost"
#
# If you want to setup MPD to use
# passwords set them here
#
#password "password1@read,add,control,admin"
#password "password2@read"
#
# Specify permissions used by default when no password is
# given by for a connection/client.
#
#default_permissions "read,add,control,admin"
#
##########################################
################ MISCELLANEOUS OPTIONS ###################
#
# This setting exists as precaution against attacks.
#
#max_playlist_length "16384"
#
# Valid options are "default", "secure" or "verbose".
#log_level "default"
#
#connection_timeout "60"
#
# This should be fine for 2-3 people using clients
# at the same time.
#
#max_connections "5"
#
# No need to change these unless you know better.
#
#max_command_list_size "2048"
#max_output_buffer_size "2048"
#
# This will make playlists compatible with normal music
# players.
#
#save_absolute_paths_in_playlists "no"
#
########################################################## |
This is obviously a conf file for alsa users, I guess it should work for oss users if you comment the alsa lines and uncomment the oss ones.
I don't remember if I had to make mpd folder in /usr/share but I know I had to chmod it, so:
| Code: | # mkdir /usr/share/mpd
# chmod -R 777 /usr/share/mpd |
In /etc/group you have to add user mpd to audio
| Code: | | audio::18:benjohnson,mpd |
and than I figured out from praseworthy gentoo forums I have to change a line in /etc/passwd and /etc/security/console.perms , so don't ask me too much about this two. There are probably other workarounds.
in /etc/passwd the last line should be about mpd, change it to:
| Code: | | mpd:x:104:18:added by portage for mpd:/usr/share/mpd/:/bin/false |
and you should also change a line in /etc/security/console.perms from:
| Code: | | <console> 0600 <sound> 0600 root.audio |
to:
| Code: | | <console> 0660 <sound> 0660 root.audio |
(change two zero's to six's)
the legend says that this last one is a solution to a gentoo specific problem.
after this you should do:
and if all is ok this should work:
| Code: | | # /etc/init.d/mpd start |
and than you can add mpd to default runlevel:
| Code: | | # rc-update add mpd default |
now mpd should work  , but we all know how this things go
Next phase is enjoying the fruits of our hard labor:
(as said before I use kmp, but all the clients are basicly the same in my eyes)
if it is not allready connected you go to --> file --> connect and write "localhost" in host textwindow and "6600" as port and I also like having Auto-Connect checked.
Now you should be able to restart your desktop and still have your music playing ) and probably some other usefull stuff to.
Hope this is all you need to do and that it works. |
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killfire
l33t
Joined: 04 Oct 2003
Posts: 618
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| Posted: Wed May 11, 2005 5:08 pm Post subject: |
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just tried it (followed all the directions) and im sorry to say it doesnt work on my machine..
the song highlights for a second (or bolds) and then loses focus...
nothing will play...
as in, the server will start, the client will start, i can add songs to the playlist, but it wont actually play...
i use alsa..
killfire
[edit]
the way i got it to work is not using a config file...
if i start it like this:
| Code: |
mpd 6600 /path/to/music /path/to/playlists /var/log/mpd.log /var/log/mpd.error.log
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it works... (and it works without the /etc/security changes)
weird
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an art (oil painting) website I built a pure python backend for: http://www.lydiajohnston.com |
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adsmith
Veteran
Joined: 26 Sep 2004
Posts: 1386
Location: NC, USA
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| Posted: Wed May 11, 2005 5:37 pm Post subject: |
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I'm kind of sruprised that people had a hard time getting it working, but I guess everyone's setup is different. The main things to keep track of are who it runs as, the permissions of all the referenced files, and the right directory for the music.
by the way, try mpd-svn, the development version. It has a few more features (like databsing the ID3 tags ,etc), and is sitll backwards compat with the older one. Of course, the clients won't know about the new features yet, but you can either throw together some shell scripts with netcat, or write your own pygtk GUI interface like I did.
Also, ncmpd is a great cmdline player for it. |
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bertaboy
l33t
Joined: 05 Nov 2004
Posts: 604
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| Posted: Thu May 19, 2005 3:01 am Post subject: |
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| I guess it wasn't so simple for me to set up. At first, /usr/bin/mpd --create-db was complaining about not being able to modify the .db file, so I hunted it down, finding out it had yet to be created. So I ended up touching it, then I got the same error message. Permissions problems, which was easily solved by chmodding it 777 (probably not the safest thing to do, but I don't really know how much of a security concern the .db file is....) Then it had the same error message, but complaining about the log files. chmod 666 /var/log/mpd* solved that problem. After that, /usr/bin/mpd --create-db worked, and now I have mpd up and running. |
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babo
Guru
Joined: 10 Aug 2004
Posts: 477
Location: Ljubljana
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| Posted: Thu May 19, 2005 10:12 am Post subject: |
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| Compared to lets say xmms it was like a PhD to set it up for me. Are there any things to be changed in instructions? |
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killfire
l33t
Joined: 04 Oct 2003
Posts: 618
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| Posted: Thu May 19, 2005 7:50 pm Post subject: |
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| babo wrote: | | Compared to lets say xmms it was like a PhD to set it up for me. Are there any things to be changed in instructions? |
well, for me, they just plain didnt work.
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my website, built in HAppS: http://dbpatterson.com
an art (oil painting) website I built a pure python backend for: http://www.lydiajohnston.com |
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ikaro
Advocate
Joined: 14 Jul 2003
Posts: 2527
Location: Denmark
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| Posted: Thu May 19, 2005 9:35 pm Post subject: |
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you are just complicating things
| Code: |
music_directory "/home/ftp/music"
playlist_directory "/home/ftp/music/.mpd/playlist"
db_file "/home/ftp/music/.mpd/mpd.db"
log_file "/home/ftp/music/.mpd/mpd.log"
error_file "/home/ftp/music/.mpd/mpd.error.log"
pid_file "/var/run/mpd/mpd.pid"
state_file "/home/ftp/music/.mpd/mpdstate"
filesystem_charset "ISO-8859-1"
user "mpd"
bind_to_address "localhost"
################## AUDIO OUTPUT ##########################
audio_output {
type "alsa"
name "ALSA"
device "hw:0,0"
format "48000:16:2"
}
audio_output_format "48000:16:2"
################### VOLUME MIXER #########################
mixer_type "alsa"
mixer_device "dmixer"
mixer_control "PCM"
##########################################################
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Chown the dirs/files that mpd will access with: mpd:audio
add our user account to the audio group.
Thats all there is to it, and everything should work
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