[adplug] output to only left speaker

[ildar]

Bug report

Describe the bug

adplug songs are played to the left speaker only

Expected Behavior

same sound directed to left and right speakers

Version

$  mpd --version
Music Player Daemon 0.21.24 (0.21.24)
Copyright 2003-2007 Warren Dukes <warren.dukes@gmail.com>
Copyright 2008-2018 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 udisks nfs curl

Neighbor plugins:
 smbclient upnp udisks

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
 [hybrid_dsd] m4a
 [faad] aac
 [wavpack] wv
 [mikmod] amf dsm far gdm imf it med mod mtm s3m stm stx ult uni xm
 [fluidsynth] mid
 [adplug] amd d00 hsc laa rad raw sa2
 [pcm]

Filters:
 libsamplerate

Tag plugins:
 id3tag

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

Encoder plugins:
 null vorbis opus lame wave flac

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

Input plugins:
 file archive alsa curl smbclient nfs mms

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

Protocols:
 file:// alsa:// http:// https:// smb:// nfs:// mms:// mmsh:// mmst:// mmsu://

Other features:
 avahi dbus udisks epoll icu inotify systemd tcp un

[MaxKellermann]

Your MPD version is very old and unsupported.