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#1 2008-09-19 00:12:55

kclive18
Member
From: Columbus, Ohio, USA
Registered: 2008-05-08
Posts: 219

mpd + oss = no go [SOLVED]

For some reason, I am not able to get mpd to work in conjunction with oss4, and I'm not sure why this is.  Doesn't mpd use oss by default?  Anyways, here is my /etc/mpd.conf:

# An example configuration file for MPD
# See the mpd.conf man page for a more detailed description of each parameter.

######################## REQUIRED PATHS ########################
#music_directory                 "~/music"
#playlist_directory              "~/playlists"
#db_file                         "~/mpd.db"
#log_file                        "~/mpd.log"
#error_file                      "~/mpd.error"

music_directory                 "/home/ken/Music"
playlist_directory              "/var/lib/mpd/playlists"
db_file                         "/var/lib/mpd/mpd.db"
log_file                        "/var/log/mpd/mpd.log"
error_file                      "/var/log/mpd/mpd.error"

# Note: ~ is the home directory of user set in the "user" option
################################################################


######################## OPTIONAL PATHS ########################
#
# If you wish to use mpd --kill to stop MPD, then you must
# specify a file here in which to store MPD's process ID.
#
#pid_file                        "~/.mpd/mpd.pid"
pid_file                        "/var/run/mpd/mpd.pid"
#
# If specified, MPD will save its current state (playlist,
# current song, playing/paused, etc.) at exit.  This will be
# used to restore the session the next time it is run.
#
#state_file                      "~/.mpd/mpdstate"
state_file                      "/var/lib/mpd/mpdstate"
#
################################################################


######################## DAEMON OPTIONS ########################
#
# If started as root, MPD will drop root privileges and run as
# this user instead.  Otherwise, MPD will run as the user it was
# started by.  If left unspecified, MPD will not drop root
# privileges at all (not recommended).

user                            "ken"

# The address and port to listen on.
#
bind_to_address                 "127.0.0.1"
#bind_to_address                 "any"
#port                            "6600"
#
# Controls the amount of information that is logged.  Can be
# "default", "secure", or "verbose".
#
log_level                       "verbose"
#
################################################################


########################## PERMISSIONS #########################
#
# MPD can require that users specify a password before using it.
# You may specify one or more here, along with what users who
# log in with that password are allowed to do.
#
#password                        "password@read,add,control,admin"
#
# Specifies what permissions a user who has not logged in with a
# password has.  By default, all users have full access to MPD
# if no password is specified above, or no access if one or
# more passwords are specified.
#
#default_permissions             "read,add,control,admin"
#
################################################################


########################## AUDIO OUTPUT ########################
#
# MPD supports many audio output types, as well as playing
# through multiple audio outputs at the same time.  You can
# specify one or more here.  If you don't specify any, MPD will
# automatically scan for a usable audio output.
#
# See <http://mpd.wikia.com/wiki/Configuration#Audio_Outputs>
# for examples of other audio outputs.
#
# An example of an ALSA output:
#
#audio_output {
#        type                    "alsa"
#        name                    "My ALSA Device"
#        device                  "/dev/sound"     # optional
#        format                  "44100:16:2" # optional
#}
#
# An example of an OSS output:
#
#audio_output {
#        type                    "oss"
#        name                    "My OSS Device"
#        device                  "/dev/mixer"   # optional
#        format                  "44100:16:2" # optional
#}
#
# An example of a shout output (for streaming to Icecast):
#
#audio_output {
#        type                    "shout"
#        name                    "My Shout Stream"
#        host                    "localhost"
#        port                    "8000"
#        mount                   "/mpd.ogg"
#        password                "hackme"
#        quality                 "5.0"
#        bitrate                 "128"
#        format                  "44100:16:1"
#        user                    "source"                # optional
#        description             "My Stream Description" # optional
#        genre                   "jazz"                  # optional
#        public                  "no"                    # optional
#}
#
# Force all decoded audio to be converted to this format before
# being passed to the audio outputs.
#
#audio_output_format             "44100:16:2"
#
################################################################


############################# MIXER ############################
#
# MPD needs to know what mixer settings to change when you
# adjust the volume.  If you don't specify one here, MPD will
# pick one based on which ones it was compiled with support for.
#
# An example for controlling an ALSA mixer:
#
mixer_type                      "oss"
mixer_device                    "/dev/mixer"
mixer_control                   "PCM"
#
# An example for controlling an OSS mixer:
#
#mixer_type                      "oss"
#mixer_device                    "/dev/mixer"
#mixer_control                   "PCM"
#
# If you want MPD to adjust the volume of audio sent to the
# audio outputs, you can tell it to use the software mixer:
#
#mixer_type                      "software"
#
################################################################


######################### NORMALIZATION ########################
#
# Specifies the type of ReplayGain to use.  Can be "album" or
# "track".  ReplayGain will not be used if not specified.  See
# <http://www.replaygain.org> for more details.
#
#replaygain                      "album"
#
# Sets the pre-amp used for files that have ReplayGain tags.
#
#replaygain_preamp               "0"
#
# Enable on the fly volume normalization.  This will cause the
# volume of all songs played to be adjusted so that they sound
# as though they are of equal loudness.
#
volume_normalization            "no"
#
################################################################


########################### BUFFERING ##########################
#
# The size of the buffer containing decoded audio.  You probably
# shouldn't change this.
#
#audio_buffer_size               "2048"
#
# How much of the buffer to fill before beginning to play.
#
#buffer_before_play              "0%"
#
# Similar options for the HTTP stream buffer.  If you hear
# skipping while playing HTTP streams, you may wish to increase
# these.
#
#http_buffer_size                "128"
#http_prebuffer_size             "25%"
#
################################################################


########################### HTTP PROXY #########################
#
# Specifies the HTTP proxy to use for playing HTTP streams.
#
#http_proxy_host                 "proxy.isp.com"
#http_proxy_port                 "8080"
#http_proxy_user                 "user"
#http_proxy_password             "password"
#
################################################################


############################# LIMITS ###########################
#
# These are various limits to prevent MPD from using too many
# resources.  You should only change them if they start
# restricting your usage of MPD.
#
#connection_timeout              "60"
#max_connections                 "5"
#max_playlist_length             "16384"
#max_command_list_size           "2048"
#max_output_buffer_size          "8192"
#
################################################################


###################### CHARACTER ENCODINGS #####################
#
# If file or directory names do not display correctly, then you
# may need to change this.  In most cases it should be either
# "ISO-8859-1" or "UTF-8".  You must recreate your database
# after changing this (use mpd --create-db).
#
#filesystem_charset              "ISO-8859-1"
#
# The encoding that ID3v1 tags should be converted from.
#
#id3v1_encoding                  "ISO-8859-1"
#
################################################################


######################### OTHER OPTIONS ########################
#
# The metadata types MPD will recognize.
#
metadata_to_use                  "artist,album,title,track,name,genre,date,composer,performer,disc"
#
# Enable this if you wish to use your MPD created playlists in
# other music players.
#
save_absolute_paths_in_playlists "no"
#
################################################################

Sorry about the length of that...anyways, I followed what the file's comments said and enabled the OSS settings under the mixer and audio output sections.  However, when I try to start mpd, it always fails.  Can anyone see a mistake that I've made in my configuration?  Thanks.

Last edited by kclive18 (2008-09-19 14:14:27)


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- Mid-2007 iMac 20", Intel 2GHz Core 2 Duo, 2x1GB DDR2-800, 250GB SATA HDD, and...MIGHTY MOUSE!!! tongue, OSX 10.5 Leopard, ATI Radeon 2400XT 128MB
- HP zv6203cl, AMD Athlon 64 3200 S939, 2x512MB DDR400, 80GB 4200rpm HDD, ATI Radeon Xpress 200M 128MB, Arch i686 cool
- 1986 Gibson SG Junior Cherry Red, Ibanez 15W amp, DigiTech RP250 modeling processor

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#2 2008-09-19 00:38:15

Xyne
Administrator/PM
Registered: 2008-08-03
Posts: 6,963
Website

Re: mpd + oss = no go [SOLVED]

#audio_output {
#        type                    "oss"
#        name                    "My OSS Device"
#        device                  "/dev/mixer"   # optional
#        format                  "44100:16:2" # optional
#}

Do you need to uncomment that part of the audio output section?

Does everything else work btw? Have you configured your default soundcard as described here?:http://4front-tech.com/forum/viewtopic.php?t=2358


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#3 2008-09-19 03:59:32

NoOneImportant
Member
From: Deep Southern California
Registered: 2007-02-13
Posts: 178

Re: mpd + oss = no go [SOLVED]

this is what I use

for the output

audio_output {
    type            "oss"
    name        "OSS"
    device        "/dev/oss/envy24ht0/pcm0"
}

for the mixer

(softoss)

mixer_device            "/dev/oss/softoss0/pcm0"

(vmix)

mixer_device                    "/dev/oss/envy24ht0/mix0"

my soundcard is an maudio 5.1 revolution, so the locations of the files will probably be different for you (unless you use the same soundcard)

Last edited by NoOneImportant (2008-09-19 04:00:54)

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#4 2008-09-19 04:07:15

Xyne
Administrator/PM
Registered: 2008-08-03
Posts: 6,963
Website

Re: mpd + oss = no go [SOLVED]

Instead of

/dev/oss/envy24ht0/pcm0

I think it should be

/dev/dsp

which is supposed to be linked to the default sound card (mentioned on the page linked in my post above).


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#5 2008-09-19 04:20:43

NoOneImportant
Member
From: Deep Southern California
Registered: 2007-02-13
Posts: 178

Re: mpd + oss = no go [SOLVED]

it could be /dev/dsp, but I believe such links are set to be deprecated

the proper file locations can be found by running ossinfo

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#6 2008-09-19 04:39:16

Xyne
Administrator/PM
Registered: 2008-08-03
Posts: 6,963
Website

Re: mpd + oss = no go [SOLVED]

NoOneImportant wrote:

it could be /dev/dsp, but I believe such links are set to be deprecated

Ah, didn't know that, sorry.


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#7 2008-09-19 14:14:12

kclive18
Member
From: Columbus, Ohio, USA
Registered: 2008-05-08
Posts: 219

Re: mpd + oss = no go [SOLVED]

Don't worry guys I fixed it.  I just had to take the name of the default audio device from ossinfo, which in my case was /dev/oss/ali54450/pcm0

Also I had to set proper permissions for /var/run/mpd so that my user could access them.  So dumb of me


My Rigs:
- Mid-2007 iMac 20", Intel 2GHz Core 2 Duo, 2x1GB DDR2-800, 250GB SATA HDD, and...MIGHTY MOUSE!!! tongue, OSX 10.5 Leopard, ATI Radeon 2400XT 128MB
- HP zv6203cl, AMD Athlon 64 3200 S939, 2x512MB DDR400, 80GB 4200rpm HDD, ATI Radeon Xpress 200M 128MB, Arch i686 cool
- 1986 Gibson SG Junior Cherry Red, Ibanez 15W amp, DigiTech RP250 modeling processor

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#8 2009-11-24 21:54:12

gabell
Member
From: St. Petersburg, Russia
Registered: 2008-06-01
Posts: 6

Re: mpd + oss = no go [SOLVED]

Hi, all.
What should I write in mpd.conf if I want to use volume control in Sonata and headphone output on my Revolution 5.1?

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#9 2009-11-24 22:00:35

Xyne
Administrator/PM
Registered: 2008-08-03
Posts: 6,963
Website

Re: mpd + oss = no go [SOLVED]

Hi gabell,

Start a new thread. This one is over a year old and not even about the same thing.


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