Feat: UI/UX and ducking compressor

crates/ratatui/src/lissajous.rs

@@ -13,6 +13,7 @@ pub struct Lissajous<'a> {
     left: &'a [f32],
     right: &'a [f32],
     color: Option<Color>,
+    gain: f32,
 }
 
 impl<'a> Lissajous<'a> {
@@ -21,6 +22,7 @@ impl<'a> Lissajous<'a> {
             left,
             right,
             color: None,
+            gain: 1.0,
         }
     }
 
@@ -28,6 +30,11 @@ impl<'a> Lissajous<'a> {
         self.color = Some(c);
         self
     }
+
+    pub fn gain(mut self, g: f32) -> Self {
+        self.gain = g;
+        self
+    }
 }
 
 impl Widget for Lissajous<'_> {
@@ -43,14 +50,6 @@ impl Widget for Lissajous<'_> {
         let fine_height = height * 4;
         let len = self.left.len().min(self.right.len());
 
-        let peak = self
-            .left
-            .iter()
-            .chain(self.right.iter())
-            .map(|s| s.abs())
-            .fold(0.0f32, f32::max);
-        let gain = if peak > 0.001 { 1.0 / peak } else { 1.0 };
-
         PATTERNS.with(|p| {
             let mut patterns = p.borrow_mut();
             let size = width * height;
@@ -58,8 +57,8 @@ impl Widget for Lissajous<'_> {
             patterns.resize(size, 0);
 
             for i in 0..len {
-                let l = (self.left[i] * gain).clamp(-1.0, 1.0);
-                let r = (self.right[i] * gain).clamp(-1.0, 1.0);
+                let l = (self.left[i] * self.gain).clamp(-1.0, 1.0);
+                let r = (self.right[i] * self.gain).clamp(-1.0, 1.0);
 
                 // X = right channel, Y = left channel (inverted so up = positive)
                 let fine_x = ((r + 1.0) * 0.5 * (fine_width - 1) as f32).round() as usize;