fix: sfload reset_presets=0 giữ nguyên instrument các track khác; preloadTrackInstruments module-level (sửa ReferenceError reload); truyền props cho ProfileModal; lọc warning No preset found channel 9

app/static/js/app.jsx

@@ -4483,6 +4483,27 @@ const PluginManagerModal = ({ isOpen, onClose, pluginsData }) => {
     )
   );
 };
+
+// Module-level so both ProfileModal (open project) and App (auto-restore) can
+// warm the FluidSynth font cache for each track's instrument. This only loads
+// the soundfonts; the per-track channel re-selection happens at note time.
+const preloadTrackInstruments = async (tracks) => {
+  if (!window.SonicSF || !window.SonicSF.selectInstrument) return;
+  const list = tracks || [];
+  for (let i = 0; i < list.length; i++) {
+    const t = list[i];
+    const se = t.synth_engine;
+    const sfId = (se && se.soundfont_id) || t.soundfont_id;
+    if (!sfId) continue;
+    const bank = se ? (se.soundfont_bank !== undefined ? se.soundfont_bank : 0) : (t.soundfont_bank !== undefined ? t.soundfont_bank : 0);
+    const prog = se ? (se.soundfont_program !== undefined ? se.soundfont_program : 0) : (t.soundfont_program !== undefined ? t.soundfont_program : 0);
+    const ch = t.midiChannel !== undefined ? t.midiChannel : (i % 16);
+    try {
+      await window.SonicSF.selectInstrument(ch, bank, prog, sfId);
+    } catch (e) {}
+  }
+};
+
 const ProfileModal = ({
   isOpen,
   onClose,
@@ -4494,7 +4515,14 @@ const ProfileModal = ({
   currentProjectId,
   setCurrentProjectId,
   showToast,
-  loadAudioBuffersForTracks
+  loadAudioBuffersForTracks,
+  setAppWarningModal,
+  bpm,
+  setBpm,
+  setMasteringSettings,
+  setSessionTabs,
+  setSubTabs,
+  trackMidiChannelsRef
 }) => {
   if (!isOpen) return null;
   const [activeTab, setActiveTab] = useState('account');
@@ -4627,23 +4655,6 @@ const ProfileModal = ({
     }
   };
 
-  const preloadTrackInstruments = async (tracks) => {
-    // Preload each track's soundfont before the user plays — otherwise the first
-    // MIDI key after reload triggers a lazy font load and the note sounds late.
-    if (!window.SonicSF || !window.SonicSF.selectInstrument) return;
-    for (const t of (tracks || [])) {
-      const se = t.synth_engine;
-      const sfId = (se && se.soundfont_id) || t.soundfont_id;
-      if (!sfId) continue;
-      const bank = se ? (se.soundfont_bank !== undefined ? se.soundfont_bank : 0) : (t.soundfont_bank !== undefined ? t.soundfont_bank : 0);
-      const prog = se ? (se.soundfont_program !== undefined ? se.soundfont_program : 0) : (t.soundfont_program !== undefined ? t.soundfont_program : 0);
-      var ch = t && assignTrackMidiChannel(t, tracks);
-      try {
-        await window.SonicSF.selectInstrument(ch, bank, prog, sfId);
-      } catch (e) {}
-    }
-  };
-
   const handleOpenProject = async (projectId, projectName) => {
     setAppWarningModal({
       title: "Mở dự án",
@@ -23816,7 +23827,14 @@ const App = () => {
     currentProjectId: currentProjectId,
     setCurrentProjectId: setCurrentProjectId,
     showToast: showToast,
-    loadAudioBuffersForTracks: loadAudioBuffersForTracks
+    loadAudioBuffersForTracks: loadAudioBuffersForTracks,
+    setAppWarningModal: setAppWarningModal,
+    bpm: bpm,
+    setBpm: setBpm,
+    setMasteringSettings: setMasteringSettings,
+    setSessionTabs: setSessionTabs,
+    setSubTabs: setSubTabs,
+    trackMidiChannelsRef: trackMidiChannelsRef
   }), /*#__PURE__*/React.createElement(SaveProjectModal, {
     isOpen: saveProjectModalOpen,
     onClose: () => setSaveProjectModalOpen(false),

app/static/js/services/soundfontPlayer.js

@@ -106,6 +106,11 @@
                         },
                         TOTAL_MEMORY: TOTAL_MEMORY,
                         printErr: function (msg) {
+                            // "No preset found on channel" is FluidSynth's
+                            // expected notice when a soundfont simply has no
+                            // preset for a bank (e.g. bank 128 on a melodic-only
+                            // font) — the note is just silent, not an error.
+                            if (msg && msg.indexOf('No preset found on channel') !== -1) return;
                             console.warn('[FluidSynth:err]', msg);
                         }
                     });
@@ -192,7 +197,12 @@
             try { _fluidModule.FS.unlink(fname); } catch (e) {}
             _fluidModule.FS.writeFile(fname, new Uint8Array(buf));
             var cPath = this._allocCStr(fname);
-            var handle = _fluidModule._fluid_synth_sfload(_synthPtr, cPath, 1);
+            // reset_presets = 0: loading a NEW soundfont must NOT reset the
+            // presets already selected on other channels. With 1, FluidSynth
+            // re-points every channel to the new font's preset 0, so loading a
+            // second instrument silently changes the first one's sound
+            // (decay/loop envelope…).
+            var handle = _fluidModule._fluid_synth_sfload(_synthPtr, cPath, 0);
             _fluidModule._free(cPath);
             try { _fluidModule.FS.unlink(fname); } catch (e) {}
             return handle;