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feat(overlay): improve recording visualization with symmetric bars #552

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feat(overlay): improve recording visualization with symmetric bars #552

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9fe908f
feat(overlay): improve recording visualization with symmetric bars
BerthalonLucas Jan 8, 2026
5b65aa3
fix(overlay): restore transition in CSS instead of inline
BerthalonLucas Jan 8, 2026
6a23f24
fix(overlay): clean up CSS and adjust bar visualization formula
BerthalonLucas Jan 8, 2026
6878f34
fix build on macos
cjpais Jan 10, 2026
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6 changes: 3 additions & 3 deletions src-tauri/src/audio_toolkit/audio/recorder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -256,14 +256,14 @@ fn run_consumer(
let mut recording = false;

// ---------- spectrum visualisation setup ---------------------------- //
const BUCKETS: usize = 16;
const BUCKETS: usize = 25;
const WINDOW_SIZE: usize = 512;
let mut visualizer = AudioVisualiser::new(
in_sample_rate,
WINDOW_SIZE,
BUCKETS,
400.0, // vocal_min_hz
4000.0, // vocal_max_hz
150.0, // vocal_min_hz
2500.0, // vocal_max_hz
);

fn handle_frame(
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2 changes: 1 addition & 1 deletion src-tauri/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -320,7 +320,7 @@ pub fn run() {
)
.expect("Failed to export typescript bindings");

let mut builder = tauri::Builder::default().plugin(
let builder = tauri::Builder::default().plugin(
LogBuilder::new()
.level(log::LevelFilter::Trace) // Set to most verbose level globally
.max_file_size(500_000)
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2 changes: 1 addition & 1 deletion src-tauri/src/shortcut.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ use crate::managers::audio::AudioRecordingManager;
use crate::settings::ShortcutBinding;
use crate::settings::{
self, get_settings, ClipboardHandling, LLMPrompt, OverlayPosition, PasteMethod, SoundTheme,
APPLE_INTELLIGENCE_DEFAULT_MODEL_ID, APPLE_INTELLIGENCE_PROVIDER_ID,
APPLE_INTELLIGENCE_PROVIDER_ID,
};
use crate::tray;
use crate::ManagedToggleState;
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31 changes: 22 additions & 9 deletions src/overlay/RecordingOverlay.css
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Original file line number Diff line number Diff line change
@@ -1,15 +1,20 @@
.recording-overlay {
height: 36px;
height: 40px;
width: 172px;
display: grid;
grid-template-columns: auto 1fr auto;
align-items: center;
padding: 6px;
background: #000000cc;
border-radius: 18px;
border-radius: 22px;
opacity: 0;
transition: opacity 300ms ease-out;
box-sizing: border-box;
transform: translateZ(0);
-webkit-transform: translateZ(0);
backface-visibility: hidden;
-webkit-backface-visibility: hidden;
isolation: isolate;
}

.overlay-left {
Expand All @@ -31,21 +36,29 @@

.bars-container {
display: flex;
align-items: end;
align-items: center;
justify-content: center;
gap: 3px;
gap: 2px;
padding-top: 2px;
padding-bottom: 0px;
height: 24px;
overflow: hidden;
background: transparent;
isolation: auto;
filter: none;
contain: layout style;
}

.bar {
width: 6px;
width: 2px;
background: #ffe5ee;
max-height: 20px;
border-radius: 2px;
transition: height 80ms linear;
max-height: 50px;
border-radius: 10px;
min-height: 4px;
transition: height 80ms linear;
transform: translateZ(0);
-webkit-transform: translateZ(0);
backface-visibility: hidden;
-webkit-backface-visibility: hidden;
}

.recording-overlay.fade-in {
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11 changes: 7 additions & 4 deletions src/overlay/RecordingOverlay.tsx
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Expand Up @@ -46,7 +46,11 @@ const RecordingOverlay: React.FC = () => {
});

smoothedLevelsRef.current = smoothed;
setLevels(smoothed.slice(0, 9));

// Symmetric mirror effect for Apple-like visualization
const half = smoothed.slice(0, 12);
const symmetricLevels = [...half.slice().reverse(), ...half];
setLevels(symmetricLevels);
});

// Cleanup function
Expand Down Expand Up @@ -80,9 +84,8 @@ const RecordingOverlay: React.FC = () => {
key={i}
className="bar"
style={{
height: `${Math.min(20, 4 + Math.pow(v, 0.7) * 16)}px`, // Cap at 20px max height
transition: "height 60ms ease-out, opacity 120ms ease-out",
opacity: Math.max(0.2, v * 1.7), // Minimum opacity for visibility
height: `${Math.min(50, 4 + Math.pow(v, 0.7) * 32)}px`,
opacity: Math.max(0.3, Math.min(1, v * 1.5)),
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@jacksongoode jacksongoode Jan 8, 2026

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Why did you remove the transitions? This otherwise causes some flickering.

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@BerthalonLucas BerthalonLucas Jan 8, 2026

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you are right, i forgot to put it back in the CSS because keeping it in the TSX made some ghosting artefacts on top of the bars and moving it to CSS fixed the issue.

}}
/>
))}
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