Add configurable frequency range inputs

CavaProcess.qml

@@ -9,6 +9,10 @@ QtObject {
     property int refCount: 0
     property bool cavaAvailable: false
     property bool isIdle: true
+    property int lowerCutoffFreq: 50
+    property int higherCutoffFreq: 12000
+    readonly property int effectiveLowCutoffFreq: Math.max(1, Math.min(lowerCutoffFreq, higherCutoffFreq - 1))
+    readonly property int effectiveHighCutoffFreq: Math.min(20000, Math.max(higherCutoffFreq, effectiveLowCutoffFreq + 1))
 
     // Idle detection: consider idle when all values near zero for idleTimeout ms
     property int idleTimeout: 2000
@@ -19,6 +23,15 @@ QtObject {
         onTriggered: root.isIdle = true
     }
 
+    property var _restartTimer: Timer {
+        interval: 30
+        repeat: false
+        onTriggered: {
+            if (root.cavaAvailable && root.refCount > 0)
+                root._cavaProcess.running = true;
+        }
+    }
+
     property var _cavaCheck: Process {
         command: ["which", "cava"]
         running: false
@@ -36,8 +49,9 @@ framerate=60
 bars=32
 autosens=0
 sensitivity=80
-lower_cutoff_freq=50
-higher_cutoff_freq=12000
+# previous values: lower_cutoff_freq=50, higher_cutoff_freq=12000
+lower_cutoff_freq=${root.effectiveLowCutoffFreq}
+higher_cutoff_freq=${root.effectiveHighCutoffFreq}
 
 [output]
 method=raw
@@ -92,4 +106,18 @@ CAVACONF`]
     Component.onCompleted: {
         _cavaCheck.running = true;
     }
+
+    onLowerCutoffFreqChanged: {
+        if (_cavaProcess.running) {
+            _cavaProcess.running = false;
+            _restartTimer.restart();
+        }
+    }
+
+    onHigherCutoffFreqChanged: {
+        if (_cavaProcess.running) {
+            _cavaProcess.running = false;
+            _restartTimer.restart();
+        }
+    }
 }

DankAudioVisualizer.qml

@@ -18,6 +18,14 @@ DesktopPluginComponent {
     readonly property string visualizationMode: pluginData.visualizationMode ?? "barsRings"
     readonly property real waveThickness: 0.3 + (pluginData.waveThickness ?? 41) / 100.0 * 1.7   // 0% → 0.3, 100% → 2.0
     readonly property real innerDiameter: (pluginData.innerDiameter ?? 70) / 100.0                // 0% → 0.0, 100% → 1.0
+    readonly property int lowerCutoffFreq: {
+        const n = Number(pluginData.lowerCutoffFreq ?? 50)
+        return Number.isFinite(n) ? Math.round(n) : 50
+    }
+    readonly property int higherCutoffFreq: {
+        const n = Number(pluginData.higherCutoffFreq ?? 12000)
+        return Number.isFinite(n) ? Math.round(n) : 12000
+    }
     readonly property bool fadeWhenIdle: pluginData.fadeWhenIdle ?? false
     readonly property bool useCustomColors: pluginData.useCustomColors ?? false
     readonly property color customPrimaryColor: pluginData.customPrimaryColor ?? "#6750A4"
@@ -39,6 +47,8 @@ DesktopPluginComponent {
     // Self-contained cava audio source (32 bars, 60 FPS)
     CavaProcess {
         id: cavaProcess
+        lowerCutoffFreq: root.lowerCutoffFreq
+        higherCutoffFreq: root.higherCutoffFreq
     }
 
     // Manage cava lifecycle via reference counting

DankAudioVisualizerSettings.qml

@@ -84,6 +84,22 @@ PluginSettings {
         unit: "%"
     }
 
+    StringSetting {
+        settingKey: "lowerCutoffFreq"
+        label: "Low Cutoff Frequency"
+        description: "Lower bound of the frequency range analyzed by cava (1-19999 Hz)"
+        placeholder: "50"
+        defaultValue: "50"
+    }
+
+    StringSetting {
+        settingKey: "higherCutoffFreq"
+        label: "High Cutoff Frequency"
+        description: "Upper bound of the frequency range analyzed by cava (2-20000 Hz)"
+        placeholder: "12000"
+        defaultValue: "12000"
+    }
+
     ToggleSetting {
         settingKey: "fadeWhenIdle"
         label: "Fade When Idle"