with this config I get mostly static noise:
music_directory "/home/hiro/sound"
playlist_directory "/home/hiro/playlists"
db_file "/var/lib/mpd/tag_cache"
log_file "/var/log/mpd/mpd.log"
pid_file "/var/run/mpd/pid"
state_file "/var/lib/mpd/state"
sticker_file "/var/lib/mpd/sticker.sql"
user "hiro"
bind_to_address "localhost"
input {
plugin "curl"
}
audio_output {
type "alsa"
name "My ALSA Device"
device "hw:0,0" # optional
format "*:24:2"
# format "48000:24:2" # optional
# mixer_device "default" # optional
# mixer_control "PCM" # optional
# mixer_index "0" # optional
}
#audio_output_format "44100:16:2"
#
#samplerate_converter "Fastest Sinc Interpolator"
#
filesystem_charset "UTF-8"
id3v1_encoding "UTF-8"
########
mpd --version
####
mpd (MPD: Music Player Daemon) 0.16.7
Copyright (C) 2003-2007 Warren Dukes <warren.du...@gmail.com>
Copyright (C) 2008-2010 Max Kellermann <m...@duempel.org>
This is free software; see the source for copying conditions. There is NO
warranty; not even MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Supported decoders:
[mad] mp3 mp2
[vorbis] ogg oga
[oggflac] ogg oga
[flac] flac
[audiofile] wav au aiff aif
[faad] aac
[mpcdec] mpc
[wavpack] wv
[mikmod] amf dsm far gdm imf it med mod mtm s3m stm stx ult uni xm
[ffmpeg] 16sv 3g2 3gp 4xm 8svx aa3 aac ac3 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 psp pva qcp qt r3d
ra ram rl2 rm rmvb roq rpl rvc shn smk snd sol son spx str swf tgi tgq
tgv thp ts tsp tta xa xvid uv uv2 vb vid vob voc vp6 vmd wav wma wmv
wsaud wsvga wv wve
Supported outputs:
shout null fifo pipe alsa ao oss pulse jack httpd recorder
Supported encoders:
null vorbis lame wave flac
Supported protocols:
file:// http:// mms:// mmsh:// mmst:// mmsu:// gopher:// rtp://
rtsp:// rtmp:// rtmpt:// rtmps://
################3
/proc/asound/card0/id:
Audio8DJ
/proc/asound/card0/midi0:
Audio 8 DJ
Output 0
Tx bytes : 0
Input 0
Rx bytes : 0
/proc/asound/card0/pcm0c/sub3/prealloc_max:
128
/proc/asound/card0/pcm0c/sub3/prealloc:
128
/proc/asound/card0/pcm0c/sub3/status:
closed
/proc/asound/card0/pcm0c/sub3/sw_params:
closed
/proc/asound/card0/pcm0c/sub3/hw_params:
closed
/proc/asound/card0/pcm0c/sub3/info:
card: 0
device: 0
subdevice: 3
stream: CAPTURE
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #3
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 4
/proc/asound/card0/pcm0c/sub2/prealloc_max:
128
/proc/asound/card0/pcm0c/sub2/prealloc:
128
/proc/asound/card0/pcm0c/sub2/status:
closed
/proc/asound/card0/pcm0c/sub2/sw_params:
closed
/proc/asound/card0/pcm0c/sub2/hw_params:
closed
/proc/asound/card0/pcm0c/sub2/info:
card: 0
device: 0
subdevice: 2
stream: CAPTURE
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #2
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 4
/proc/asound/card0/pcm0c/sub1/prealloc_max:
128
/proc/asound/card0/pcm0c/sub1/prealloc:
128
/proc/asound/card0/pcm0c/sub1/status:
closed
/proc/asound/card0/pcm0c/sub1/sw_params:
closed
/proc/asound/card0/pcm0c/sub1/hw_params:
closed
/proc/asound/card0/pcm0c/sub1/info:
card: 0
device: 0
subdevice: 1
stream: CAPTURE
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #1
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 4
/proc/asound/card0/pcm0c/sub0/prealloc_max:
128
/proc/asound/card0/pcm0c/sub0/prealloc:
128
/proc/asound/card0/pcm0c/sub0/status:
closed
/proc/asound/card0/pcm0c/sub0/sw_params:
closed
/proc/asound/card0/pcm0c/sub0/hw_params:
closed
/proc/asound/card0/pcm0c/sub0/info:
card: 0
device: 0
subdevice: 0
stream: CAPTURE
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 4
/proc/asound/card0/pcm0c/info:
card: 0
device: 0
subdevice: 0
stream: CAPTURE
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 4
/proc/asound/card0/pcm0p/sub3/prealloc_max:
128
/proc/asound/card0/pcm0p/sub3/prealloc:
128
/proc/asound/card0/pcm0p/sub3/status:
closed
/proc/asound/card0/pcm0p/sub3/sw_params:
closed
/proc/asound/card0/pcm0p/sub3/hw_params:
closed
/proc/asound/card0/pcm0p/sub3/info:
card: 0
device: 0
subdevice: 3
stream: PLAYBACK
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #3
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 3
/proc/asound/card0/pcm0p/sub2/prealloc_max:
128
/proc/asound/card0/pcm0p/sub2/prealloc:
128
/proc/asound/card0/pcm0p/sub2/status:
closed
/proc/asound/card0/pcm0p/sub2/sw_params:
closed
/proc/asound/card0/pcm0p/sub2/hw_params:
closed
/proc/asound/card0/pcm0p/sub2/info:
card: 0
device: 0
subdevice: 2
stream: PLAYBACK
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #2
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 3
/proc/asound/card0/pcm0p/sub1/prealloc_max:
128
/proc/asound/card0/pcm0p/sub1/prealloc:
128
/proc/asound/card0/pcm0p/sub1/status:
closed
/proc/asound/card0/pcm0p/sub1/sw_params:
closed
/proc/asound/card0/pcm0p/sub1/hw_params:
closed
/proc/asound/card0/pcm0p/sub1/info:
card: 0
device: 0
subdevice: 1
stream: PLAYBACK
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #1
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 3
/proc/asound/card0/pcm0p/sub0/prealloc_max:
128
/proc/asound/card0/pcm0p/sub0/prealloc:
128
/proc/asound/card0/pcm0p/sub0/status:
state: XRUN
owner_pid : 9010
trigger_time: 155668.856776872
tstamp : 155671.948726216
delay : 0
avail : 24849
avail_max : 24849
-----
hw_ptr : 136532
appl_ptr : 133528
/proc/asound/card0/pcm0p/sub0/sw_params:
tstamp_mode: NONE
period_step: 1
avail_min: 5461
start_threshold: 16384
stop_threshold: 21845
silence_threshold: 0
silence_size: 0
boundary: 1431633920
/proc/asound/card0/pcm0p/sub0/hw_params:
access: RW_INTERLEAVED
format: S24_3BE
subformat: STD
channels: 2
rate: 48000 (48000/1)
period_size: 5461
buffer_size: 21845
/proc/asound/card0/pcm0p/sub0/info:
card: 0
device: 0
subdevice: 0
stream: PLAYBACK
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 3
/proc/asound/card0/pcm0p/info:
card: 0
device: 0
subdevice: 0
stream: PLAYBACK
id: Audio 8 DJ
name: Audio 8 DJ
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 4
subdevices_avail: 3
/proc/asound/pcm:
00-00: Audio 8 DJ : Audio 8 DJ : playback 4 : capture 4
/proc/asound/timers:
G0: system timer : 10000.000us (10000000 ticks)
P0-0-0: PCM playback 0-0-0 : SLAVE
P0-0-1: PCM capture 0-0-1 : SLAVE
P0-0-2: PCM playback 0-0-2 : SLAVE
P0-0-3: PCM capture 0-0-3 : SLAVE
P0-0-4: PCM playback 0-0-4 : SLAVE
P0-0-5: PCM capture 0-0-5 : SLAVE
P0-0-6: PCM playback 0-0-6 : SLAVE
P0-0-7: PCM capture 0-0-7 : SLAVE
/proc/asound/modules:
0 snd_usb_caiaq
/proc/asound/cards:
0 [Audio8DJ ]: snd-usb-caiaq - Audio 8 DJ
Native Instruments Audio 8 DJ (usb-orion-ehci.0-1.1)
/proc/asound/devices:
0: [ 0] : control
8: [ 0- 0]: raw midi
16: [ 0- 0]: digital audio playback
24: [ 0- 0]: digital audio capture
33: : timer
/proc/asound/version:
Advanced Linux Sound Architecture Driver Version 1.0.25.
/proc/asound/seq/drivers:
snd-seq-midi,empty,1
/proc/asound/oss/sndstat:
Sound Driver:3.8.1a-980706 (ALSA v1.0.25 emulation code)
Kernel: Linux iconnect 3.5.0-iconnect #3 Thu Oct 3 00:01:04 CEST 2013 armv5tel
Config options: 0
Installed drivers:
Type 10: ALSA emulation
Card config:
Native Instruments Audio 8 DJ (usb-orion-ehci.0-1.1)
Audio devices: NOT ENABLED IN CONFIG
Synth devices: NOT ENABLED IN CONFIG
Midi devices:
0: Audio 8 DJ
Timers:
7: system timer
Mixers: NOT ENABLED IN CONFIG
/proc/asound/oss/devices:
2: [0- 0]: raw midi
9: [0- 0]: raw midi
####################
nothing special in mpd output
root@iconnect:~# mpd -v --no-daemon /etc/mpd.conf
config: loading file /etc/mpd.conf
path: path_set_fs_charset: fs charset is: UTF-8
database: reading DB
disabling the last.fm playlist plugin because account is not configured
daemon: opening pid file
daemon: writing pid file
hiro@iconnect:~$ uname -a
Linux iconnect 3.5.0-iconnect #3 Thu Oct 3 00:01:04 CEST 2013 armv5tel GNU/Linux
Bus 001 Device 005: ID 17cc:1978 Native Instruments Audio 8 DJ
On 12/19/13, Max Kellermann <m...@duempel.org> wrote:
> On 2013/12/18 22:21, hiro <23h...@gmail.com> wrote:
>> I had been using mpd with a S24_3LE soundcard in the past, now I setup
>> another system and I would need to use S24_3BE, not LE.
>>
>> But whatever settings I make I only get static unless I make alsa do
>> the conversion job (plughw)
>>
>> Is this unsupported, undocumented or a bug (in the source I find BE
>> mentioned, but in the same function that is also used for LE, not sure
>> if the difference is ignored or not).
>
> It should just work, but I'm unable to test because I don't have any
> S24_3 capable hardware.
>
> When you play back 24 bit audio, and ALSA refuses to configure padded
> 24 bit, MPD will try to use the packed format (S24_3). First, it will
> try host byte order, and then "reverse" byte order.
>
> Write a bug report, and paste all relevant data (config, mpd
> --version, verbose log, /proc/asound/... etc.)
>
>
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