add gitignore and update files

pipewire/midi2volume.sh

@@ -0,0 +1,47 @@
+#! /bin/bash
+
+FF_STREAM=$(wpctl status | grep "Firefox *$" | awk -F. '{ print $1 }')
+MUSIC_STREAM=$(wpctl status | grep "Chromium *$" | awk -F. '{ print $1 }')
+SPEAKER_SINK=$(wpctl status | grep "Family 17h/19h HD Audio Controller Speaker + Headphones \[" | awk -F'[. ]' '{ print $7 }')
+
+function setvol {
+    VOL=$(echo "scale=2;$2/100" | bc -l)
+    wpctl set-volume $1 "$VOL"
+}
+
+aseqdump -p 28 | \
+while IFS=" ," read src ev1 ev2 ch label1 data1 label2 data2; do
+    case "$data1" in
+        # slider music
+        "3")
+            setvol $MUSIC_STREAM $data2
+            ;;
+        # slider firefox
+        "7")
+            setvol $FF_STREAM $data2
+            ;;
+        # Knob speakers
+        "16")
+            setvol $SPEAKER_SINK $data2
+            ;;
+        # Play and Stop buttons
+        "41"|"42")
+            xdotool key XF86AudioPlay
+            ;;
+        # Previous song
+        "43")
+            if [ $data2 -eq 127 ]; then xdotool key XF86AudioPrev; fi
+            ;;
+        # Next song
+        "44")
+            if [ $data2 -eq 127 ]; then xdotool key XF86AudioNext; fi
+            ;;
+        # Restart script
+        "46")
+            if [ $data2 -eq 127 ]; then systemctl --user restart midi.service; fi
+            ;;
+        # Mute music
+        "51")
+            ;;
+    esac
+done