D2: LimiterFx brickwall — lookahead 1-5ms + oversample 4x + hard clip, UI toggle SOFT/BRICKWALL + LOOKAHEAD ms

app/static/js/app.jsx

@@ -819,7 +819,7 @@ function applyMasteringSettings(s) {
   // Re-applying identical values in rapid bursts is "fast parameter automation"
   // and makes Chromium flag the biquad EQ filters as unstable ("state is bad").
   // Only touch the graph when a value actually changed.
-  const sig = [s.masterConnected, s.isBypassed, s.eqActive, s.eqLowGain, s.eqMid1Gain, s.eqMid2Gain, s.eqHighGain, s.imagerActive, s.w1, s.w2, s.w3, s.w4, s.maximizerActive, s.maxGain, s.maxSoftClip, s.maxUpward, s.ceiling, s.compActive, s.compThreshold, s.compRatio, s.compMakeup, s.limActive, s.limThreshold, s.excActive, s.excDrive, s.rebalActive, s.rebalMid, s.rebalSide].join('|');
+  const sig = [s.masterConnected, s.isBypassed, s.eqActive, s.eqLowGain, s.eqMid1Gain, s.eqMid2Gain, s.eqHighGain, s.imagerActive, s.w1, s.w2, s.w3, s.w4, s.maximizerActive, s.maxGain, s.maxSoftClip, s.maxUpward, s.ceiling, s.compActive, s.compThreshold, s.compRatio, s.compMakeup, s.limActive, s.limThreshold, s.limMode, s.limLookahead, s.excActive, s.excDrive, s.rebalActive, s.rebalMid, s.rebalSide].join('|');
   if (sig === _lastMasteringSig) return;
   _lastMasteringSig = sig;
 
@@ -1607,7 +1607,7 @@ function fxRtChain() {
 const FX_RT_PARAM_MAP = {
   eq: [['g1', 'eqLowGain'], ['g2', 'eqMid1Gain'], ['g3', 'eqMid2Gain'], ['g4', 'eqHighGain']],
   compressor: [['threshold', 'compThreshold'], ['ratio', 'compRatio'], ['makeup', 'compMakeup']],
-  limiter: [['ceiling', 'limThreshold']],
+  limiter: [['ceiling', 'limThreshold'], ['mode', 'limMode'], ['lookahead_ms', 'limLookahead']],
   exciter: [['drive', 'excDrive']],
   rebalance: [['mid', 'rebalMid'], ['side', 'rebalSide']],
   imager: [['w1', 'w1'], ['w2', 'w2'], ['w3', 'w3'], ['w4', 'w4']],
@@ -7057,7 +7057,7 @@ const ProfileModal = ({
                 isBypassed: false,
                 chain: [],
                 compActive: false, compThreshold: -16, compRatio: 3, compMakeup: 0,
-                limActive: false, limThreshold: -1.0,
+                limActive: false, limThreshold: -1.0, limMode: 0, limLookahead: 2,
                 excActive: false, excDrive: 40,
                 rebalActive: false, rebalMid: 0, rebalSide: 0,
               });
@@ -11473,6 +11473,8 @@ const deserializeProjectFromSchema = (schemaObj) => {
     if (migrated.compMakeup === undefined) migrated.compMakeup = 0;
     if (migrated.limActive === undefined) migrated.limActive = false;
     if (migrated.limThreshold === undefined) migrated.limThreshold = -1.0;
+    if (migrated.limMode === undefined) migrated.limMode = 0;
+    if (migrated.limLookahead === undefined) migrated.limLookahead = 2;
     if (migrated.excActive === undefined) migrated.excActive = false;
     if (migrated.excDrive === undefined) migrated.excDrive = 40;
     if (migrated.rebalActive === undefined) migrated.rebalActive = false;
@@ -11607,7 +11609,7 @@ const TRACK_FX_DEFAULTS = {
   eq: { g1: 0, g2: 0, g3: 0, g4: 0 },
   eqpro: { amount: 100, bands: EQPRO_DEFAULT_BANDS },
   compressor: { threshold: -16, ratio: 3, makeup: 0 },
-  limiter: { ceiling: -1.0 },
+  limiter: { ceiling: -1.0, mode: 'soft', lookahead_ms: 2 },
   exciter: { drive: 40 },
   rebalance: { mid: 0, side: 0 }
 };
@@ -13950,8 +13952,12 @@ const addMasterVst = (path) => { const fx = (masterFxList || []).find(f => f.pat
                   <div className="bg-slate-950 p-3 border border-slate-800 rounded-xl flex flex-col items-center justify-center h-full">
                     <MasteringKnob param="limThreshold" min={-24} max={0} value={ozState.limThreshold} unit="dB" label="CEILING" color="#f43f5e" onChange={(p, v) => setOzState(prev => ({ ...prev, [p]: v }))} />
                   </div>
-                  <div className="bg-slate-950 p-3 border border-slate-800 rounded-xl flex flex-col items-center justify-center h-full">
-                    <span className="text-[10px] text-slate-500 oz-font-mono text-center leading-snug px-2">True-Peak limiting<br/>Ratio 20:1 · Knee 0dB<br/>Attack 1ms · Release 50ms</span>
+                  <div className="bg-slate-950 p-3 border border-slate-800 rounded-xl flex flex-col items-center justify-center gap-2 h-full">
+                    <button onClick={() => setOzState(prev => ({ ...prev, limMode: prev.limMode ? 0 : 1 }))}
+                      className={`px-3 py-1 rounded text-[10px] font-bold border transition-colors ${ozState.limMode ? 'bg-rose-700 border-rose-500 text-white' : 'bg-slate-800 border-slate-700 text-slate-400'}`}>
+                      {ozState.limMode ? 'BRICKWALL' : 'SOFT'}
+                    </button>
+                    <MasteringKnob param="limLookahead" min={1} max={5} value={ozState.limLookahead} unit="ms" label="LOOKAHEAD" color="#f43f5e" onChange={(p, v) => setOzState(prev => ({ ...prev, [p]: v }))} />
                   </div>
                 </div>
               </div>
@@ -18577,7 +18583,7 @@ const App = () => {
     isBypassed: false,
     chain: [],
     compActive: false, compThreshold: -16, compRatio: 3, compMakeup: 0,
-    limActive: false, limThreshold: -1.0,
+    limActive: false, limThreshold: -1.0, limMode: 0, limLookahead: 2,
     excActive: false, excDrive: 40,
     rebalActive: false, rebalMid: 0, rebalSide: 0,
     vstFxChain: [],
@@ -19012,7 +19018,7 @@ const App = () => {
             isBypassed: false,
             chain: [],
             compActive: false, compThreshold: -16, compRatio: 3, compMakeup: 0,
-            limActive: false, limThreshold: -1.0,
+            limActive: false, limThreshold: -1.0, limMode: 0, limLookahead: 2,
             excActive: false, excDrive: 40,
             rebalActive: false, rebalMid: 0, rebalSide: 0,
           });