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fix: real VU meter levels from pipeline instead of random animation

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- Added input_level and output_level to /api/state (scaled 0-100)
- React RigScreen now reads real levels from state instead of random walk
- When no audio flows, VU meters show flat (0) instead of fake animation
This commit is contained in:
Shawn
2026-06-12 17:09:49 -04:00
parent 32690c293e
commit 7498ad55fc
4 changed files with 13 additions and 16 deletions
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frontend-react/src/App.jsx
+6 -14
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@@ -460,23 +460,11 @@ function SlidePanel({ children, onClose }) {
// 1. RIG SCREEN ────────────────────────────────────────────────
function RigScreen({ state, connected }) {
const [volume, setVolume] = useState(state?.master_volume != null ? Math.round(state.master_volume * 100) : 80);
const [vuL, setVuL] = useState(45);
const [vuR, setVuR] = useState(42);
const [saving, setSaving] = useState(false);
useEffect(() => {
if (state?.master_volume != null) setVolume(Math.round(state.master_volume * 100));
}, [state?.master_volume]);
// Animated VU
useEffect(() => {
const id = setInterval(() => {
setVuL(prev => Math.max(10, Math.min(95, prev + (Math.random() - 0.48) * 12)));
setVuR(prev => Math.max(10, Math.min(95, prev + (Math.random() - 0.48) * 12)));
}, 90);
return () => clearInterval(id);
}, []);
const handleVolume = async (val) => {
setVolume(val);
try {
@@ -497,6 +485,10 @@ function RigScreen({ state, connected }) {
} catch (e) { /* ignore */ }
};
// Real audio levels from the pipeline (0-100 scale, updated every poll cycle)
const inputLevel = state?.input_level ?? 0;
const outputLevel = state?.output_level ?? 0;
return (
<div style={{ display: "flex", flexDirection: "column", height: "100%" }}>
<div className="screen-header">
@@ -518,8 +510,8 @@ function RigScreen({ state, connected }) {
</div>
</div>
<div style={{ display: "flex", gap: 6, alignItems: "center" }}>
<VUMeter level={vuL} height={44} />
<VUMeter level={vuR} height={44} />
<VUMeter level={inputLevel} height={44} />
<VUMeter level={outputLevel} height={44} />
</div>
</div>
<div className="screen-body">
src/web/server.py
+5
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@@ -1023,6 +1023,8 @@ class WebServer:
"nam_model": None,
"ir_loaded": False,
"ir_name": None,
"input_level": 0,
"output_level": 0,
"wifi": {},
"bluetooth": {},
}
@@ -1065,6 +1067,9 @@ class WebServer:
"nam_model": current_model_name,
"ir_loaded": bool(ir and ir.is_loaded) if ir else False,
"ir_name": current_ir_name,
# Audio levels from pipeline (RMS float32 normalized 0.0-1.0, scaled to 0-100)
"input_level": min(100, round((pl._input_level or 0.0) * 150)) if pl else 0,
"output_level": min(100, round((pl._output_level or 0.0) * 150)) if pl else 0,
"wifi": self._gather_wifi_state(),
"bluetooth": self._gather_bt_state(),
}
src/web/ui-dist/assets/index-3XaYhUGn.js → src/web/ui-dist/assets/index-By7LnVlV.js
+1 -1
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File diff suppressed because one or more lines are too long
src/web/ui-dist/index.html
+1 -1
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@@ -5,7 +5,7 @@
<link rel="icon" type="image/svg+xml" href="/ui/favicon.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Pi Multi-FX Pedal</title>
<script type="module" crossorigin src="/ui/assets/index-3XaYhUGn.js"></script>
<script type="module" crossorigin src="/ui/assets/index-By7LnVlV.js"></script>
<link rel="stylesheet" crossorigin href="/ui/assets/index-CuJgR-s6.css">
</head>
<body>