FIX: sửa lỗi không load soundfont trên window, MIDI item không play được qua carla

app/static/js/app.jsx

@@ -21133,6 +21133,16 @@ const App = () => {
         if (window.SonicSF) {
           window.SonicSF.playNote(note.pitch || 60, note.velocity || 0.8, durMs, scheduledTime, instrumentProgram, destNode, mainCh, synthEngine);
         }
+        // MIDI items → Carla (track VSTi + Carla local): phát VSTi realtime
+        // (schedule theo audio clock bằng setTimeout — preview, timing gần đúng).
+        if (window.SonicCarlaMidi && window.SonicCarlaMidi.shouldRoutePlayback(synthEngine)) {
+          const carlaDelay = Math.max(0, (scheduledTime - context.currentTime) * 1000);
+          const carlaVel = Math.round((note.velocity || 0.8) * 127);
+          const carlaCh = (synthEngine && synthEngine.midi_channel !== undefined) ? synthEngine.midi_channel : mainCh;
+          const carlaPitch = note.pitch || 60;
+          setTimeout(function () { window.SonicCarlaMidi.noteOn(carlaCh, carlaPitch, carlaVel); }, carlaDelay);
+          setTimeout(function () { window.SonicCarlaMidi.noteOff(carlaCh, carlaPitch); }, carlaDelay + durMs + 30);
+        }
       }
     });
     // Play ghost notes from active tracks

app/static/js/app.precompiled.js

@@ -1319,7 +1319,9 @@ const instCtx=resolveTrackInstrumentCtx(track,activeTracksRef.current||[]);const
 // items placed later in the project play `item.startTime` seconds in the
 // future (silence when pressing play). Ghost notes are already relative to
 // the item window, so no absolute-session offset is applied anywhere here.
-midiNotes.forEach(note=>{const noteOnBeat=note.start_beat||0;const noteDurBeat=note.duration_beats||1;const noteStartSec=noteOnBeat*secondsPerBeat;const noteDurSec=noteDurBeat*secondsPerBeat;if(noteStartSec+noteDurSec>offsetSeconds){const effectiveStart=Math.max(0,noteStartSec-offsetSeconds);const effectiveDur=noteDurSec-Math.max(0,offsetSeconds-noteStartSec);const scheduledTime=startWallTime+effectiveStart;const durMs=effectiveDur*1000;if(window.SonicSF){window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,scheduledTime,instrumentProgram,destNode,mainCh,synthEngine);}}});// Play ghost notes from active tracks
+midiNotes.forEach(note=>{const noteOnBeat=note.start_beat||0;const noteDurBeat=note.duration_beats||1;const noteStartSec=noteOnBeat*secondsPerBeat;const noteDurSec=noteDurBeat*secondsPerBeat;if(noteStartSec+noteDurSec>offsetSeconds){const effectiveStart=Math.max(0,noteStartSec-offsetSeconds);const effectiveDur=noteDurSec-Math.max(0,offsetSeconds-noteStartSec);const scheduledTime=startWallTime+effectiveStart;const durMs=effectiveDur*1000;if(window.SonicSF){window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,scheduledTime,instrumentProgram,destNode,mainCh,synthEngine);}// MIDI items → Carla (track VSTi + Carla local): phát VSTi realtime
+// (schedule theo audio clock bằng setTimeout — preview, timing gần đúng).
+if(window.SonicCarlaMidi&&window.SonicCarlaMidi.shouldRoutePlayback(synthEngine)){const carlaDelay=Math.max(0,(scheduledTime-context.currentTime)*1000);const carlaVel=Math.round((note.velocity||0.8)*127);const carlaCh=synthEngine&&synthEngine.midi_channel!==undefined?synthEngine.midi_channel:mainCh;const carlaPitch=note.pitch||60;setTimeout(function(){window.SonicCarlaMidi.noteOn(carlaCh,carlaPitch,carlaVel);},carlaDelay);setTimeout(function(){window.SonicCarlaMidi.noteOff(carlaCh,carlaPitch);},carlaDelay+durMs+30);}}});// Play ghost notes from active tracks
 var ghostLayers=st.ghostPlayLayers||[];ghostLayers.forEach(function(layer){var ghostTrack=allTracks.find(function(t){return t.id===layer.trackId;});var ghostProg=layer.instrumentProgram!==undefined?layer.instrumentProgram:ghostTrack?ghostTrack.instrumentProgram:undefined;var ghostSynth=layer.synthEngine||(ghostTrack?ghostTrack.synth_engine:undefined);if(ghostProg===undefined&&!ghostSynth)return;var ghostDest=getOrCreateTrackNode(ghostTrack,context);var ghostCh=ghostTrack?assignTrackMidiChannel(ghostTrack,allTracks):0;layer.notes.forEach(function(note){var beat=note.start_beat||0;var dur=note.duration_beats||1;var startSec=beat*secondsPerBeat;var durSec=dur*secondsPerBeat;if(startSec+durSec>offsetSeconds){var effStart=Math.max(0,startSec-offsetSeconds);var effDur=durSec-Math.max(0,offsetSeconds-startSec);var schedTime=startWallTime+effStart;var durMs=effDur*1000;if(window.SonicSF){window.SonicSF.playNote(note.pitch||60,note.velocity||0.8,durMs,schedTime,ghostProg,ghostDest,ghostCh,ghostSynth);}}});});};const handlePlayPause=()=>{console.log('[Play] click activeTab=',activeTab,'isPlaying=',isPlaying,'subPlaying=',subTabs.filter(s=>s.isPlaying).length);if(activeTab!=='main'&&!activeTab.startsWith('session_')){// Sub-tab playback transport
 const st=subTabs.find(s=>s.id===activeTab);if(!st||!st.buffer&&st.type!=='PIANO_ROLL')return;// MAIN/SECTION đang play (ngầm — MIDI section/main còn kêu sau khi mở
 // tab): Space phải STOP trước — không được play sub-tab (user: trong

app/static/js/services/runtime.js

@@ -75,6 +75,16 @@ window.SonicCarlaMidi = window.SonicCarlaMidi || {
             return String(se.type || '').indexOf('vst') !== -1 && !!se.plugin_id;
         } catch (e) { return false; }
     },
+    // Playback MIDI items: route khi track VSTi + Carla local (không cần ARM —
+    // user đã chủ động bấm Play trên item đó).
+    shouldRoutePlayback: function (synthEngine) {
+        try {
+            var c = window.SonicRuntime && window.SonicRuntime.capabilities;
+            if (!c || !c.features || !c.features.carla_local) return false;
+            var se = synthEngine || {};
+            return String(se.type || '').indexOf('vst') !== -1 && !!se.plugin_id;
+        } catch (e) { return false; }
+    },
     noteOn: function (channel, note, velocity) {
         if (!window.SonicAPI || !window.SonicAPI.carlaMidi) return;
         window.SonicAPI.carlaMidi({ event: 'note_on', note: note, velocity: velocity || 100, channel: channel || 0 }).catch(function () {});