V45.11: fix SF preset wrong after reopen - preload SF2 gui program change (C++ loadSoundFontFile reset bank/program 0 moi lan load, JS khong gui lai) v=202608300815

2026-08-30 08:15:51 +07:00
parent e57b9fade2
commit f6104a43d5
3 changed files with 15 additions and 4 deletions
@@ -7570,6 +7570,13 @@ const preloadTrackInstruments = async (tracks) => {
      const inst = t.instrumentId || (t.synth_engine && t.synth_engine.plugin_id);
      if (!inst) continue;
      try { await loadAnyTrackToBridge(t); } catch (e) {}
+      // V45.11: C++ loadSoundFontFile resets bank/program to 0 on every
+      // load; preload only loads the SF2 file -> after reopen the SF
+      // preset is wrong (bug: muted SF tracks lost their preset).
+      // __ensureBridgeProgram falls back to synth_engine.soundfont_program.
+      if (typeof inst === 'string' && inst.startsWith('sf_')) {
+        try { if (window.__ensureBridgeProgram) window.__ensureBridgeProgram(t.id || t.trackId, undefined, t.synth_engine); } catch (e) {}
+      }
    }
  }
  if (window.SonicSF && window.SonicSF.selectInstrument) {