Decent cava linear visualizer

Services/Cava.qml

@@ -7,43 +7,46 @@ import Quickshell.Io
 Singleton {
   id: root
 
-  property var values: Array(count).fill(0)
-  property int count: 44
-  property int noiseReduction: 60
-  property string channels: "mono"
-  property string monoOption: "average"
+  property var values: Array(barsCount).fill(0)
+  property int barsCount: 20
 
   property var config: ({
                           "general": {
-                            "bars": count,
-                            "framerate": 30,
-                            "autosens": 1
+                            "bars": barsCount,
+                            "mode": "normal",
+                            "framerate": 60,
+                            "autosens": 0,
+                            "overshoot": 0,
+                            "sensitivity": 200,
+                            "lower_cutoff_freq": 50,
+                            "higher_cutoff_freq": 12000
                           },
                           "smoothing": {
                             "monstercat": 1,
-                            "gravity": 1000000,
-                            "noise_reduction": noiseReduction
+                            "gravity": 100,
+                            "noise_reduction": 77
                           },
                           "output": {
                             "method": "raw",
                             "bit_format": 8,
-                            "channels": channels,
-                            "mono_option": monoOption
+                            "channels": "mono",
+                            "mono_option": "average"
                           }
                         })
 
   Process {
     id: process
-    property int index: 0
+    property int fillIndex: 0
     stdinEnabled: true
     running: MediaPlayer.isPlaying
     command: ["cava", "-p", "/dev/stdin"]
     onExited: {
       stdinEnabled = true
-      index = 0
-      values = Array(count).fill(0)
+      fillIndex = 0
+      values = Array(barsCount).fill(0)
     }
     onStarted: {
+
       for (const k in config) {
         if (typeof config[k] !== "object") {
           write(k + "=" + config[k] + "\n")
@@ -56,20 +59,23 @@ Singleton {
         }
       }
       stdinEnabled = false
+      fillIndex = 0
+      values = Array(barsCount).fill(0)
     }
     stdout: SplitParser {
       splitMarker: ""
       onRead: data => {
-        const newValues = Array(count).fill(0)
-        for (var i = 0; i < values.length; i++) {
-          newValues[i] = values[i]
+        if (process.fillIndex + data.length >= barsCount) {
+          process.fillIndex = 0
         }
-        if (process.index + data.length > count) {
-          process.index = 0
-        }
-        for (var i = 0; i < data.length; i += 1) {
-          newValues[process.index] = Math.min(data.charCodeAt(i), 128) / 128
-          process.index = (process.index + 1) % count
+
+        // copy array
+        var newValues = values.slice(0)
+
+        for (var i = 0; i < data.length; i++) {
+          var amp = Math.min(data.charCodeAt(i), 128) / 128
+          newValues[process.fillIndex] = amp * amp
+          process.fillIndex = (process.fillIndex + 1) % barsCount
         }
         values = newValues
       }