simpler: only one connection

do-plugs.sh

@@ -11,18 +11,18 @@ if [[ -z "$UMC_IN" || -z "$UMC_OUT" || -z "$FCB_MIDI_ID" || -z "$SL_MIDI_ID" ]];
 fi
 
 pw-link "$UMC_IN:capture_FL" sooperlooper:loop0_in_1
-pw-link "$UMC_IN:capture_FR" sooperlooper:loop0_in_2
-pw-link "$UMC_IN:capture_RL" sooperlooper:loop0_in_3
-pw-link "$UMC_IN:capture_RR" sooperlooper:loop0_in_4
+# pw-link "$UMC_IN:capture_FR" sooperlooper:loop0_in_2
+# pw-link "$UMC_IN:capture_RL" sooperlooper:loop0_in_3
+# pw-link "$UMC_IN:capture_RR" sooperlooper:loop0_in_4
 
 pw-link "$UMC_IN:capture_FL" "$UMC_OUT:playback_FL"
-pw-link "$UMC_IN:capture_FR" "$UMC_OUT:playback_FL"
-pw-link "$UMC_IN:capture_RL" "$UMC_OUT:playback_FL"
-pw-link "$UMC_IN:capture_RR" "$UMC_OUT:playback_FL"
+# pw-link "$UMC_IN:capture_FR" "$UMC_OUT:playback_FL"
+# pw-link "$UMC_IN:capture_RL" "$UMC_OUT:playback_FL"
+# pw-link "$UMC_IN:capture_RR" "$UMC_OUT:playback_FL"
 
 pw-link sooperlooper:loop0_out_1 "$UMC_OUT:playback_FL"
-pw-link sooperlooper:loop0_out_2 "$UMC_OUT:playback_FL"
-pw-link sooperlooper:loop0_out_3 "$UMC_OUT:playback_FL"
-pw-link sooperlooper:loop0_out_4 "$UMC_OUT:playback_FL"
+# pw-link sooperlooper:loop0_out_2 "$UMC_OUT:playback_FL"
+# pw-link sooperlooper:loop0_out_3 "$UMC_OUT:playback_FL"
+# pw-link sooperlooper:loop0_out_4 "$UMC_OUT:playback_FL"
 
 aconnect "$FCB_MIDI_ID:0" "$SL_MIDI_ID:0"

sooperlooper.service

@@ -6,7 +6,7 @@ After=pipewire.service wireplumber.service
 [Service]
 Type=simple
 # sooperlooper start (l: nb loops - c: nb channels per loop - t: sec of looping)
-ExecStart=/usr/bin/pw-jack /usr/bin/sooperlooper -l 1 -c 4 -t 30 -m /home/olimex/config-looper/fcb1010.slb
+ExecStart=/usr/bin/pw-jack /usr/bin/sooperlooper -l 1 -c 1 -t 30 -m /home/olimex/config-looper/fcb1010.slb
 ExecStartPost=/bin/sh -c 'sleep 4; /usr/bin/oscsend 127.0.0.1 9951 /sl/0/set sf discrete_prefader 0'
 Restart=always
 RestartSec=10