From 6242eba3c8517dd63cb332a2dccaa50b6cbdec77 Mon Sep 17 00:00:00 2001
From: 3dtours <yeunhiepanh.photo@gmail.com>
Date: Sun, 26 Jul 2026 20:00:17 +0700
Subject: [PATCH] debug: add bank count log in noteOn, SpessaSynth play tries
 then falls back

---
 app/static/js/services/soundfontPlayer.js | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/app/static/js/services/soundfontPlayer.js b/app/static/js/services/soundfontPlayer.js
index cbaf6a2..cb5385a 100644
--- a/app/static/js/services/soundfontPlayer.js
+++ b/app/static/js/services/soundfontPlayer.js
@@ -208,7 +208,8 @@
         },
 
         playNote: function (note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine) {
-            // SpessaSynth path: only if bank is loaded
+            // TEMP: always use oscillator for reliable preview
+            // SpessaSynth path: only when bank is confirmed loaded
             if (_initialized && _synthInstance && _currentSfId) {
                 if (synthEngine) {
                     const ch = channel !== undefined ? channel : (synthEngine.soundfont_bank === 128 ? 9 : 0);
@@ -218,10 +219,14 @@
                     if (channel === undefined) channel = ch;
                 }
                 if (channel === undefined) channel = 0;
-                this._playNoteSpessa(note, velocity, durationMs, channel);
-                return;
+                // Try SpessaSynth, fallback to oscillator on error
+                try {
+                    this._playNoteSpessa(note, velocity, durationMs, channel);
+                    return;
+                } catch (e) {
+                    console.warn("[SonicSF] SpessaSynth play failed, fallback:", e);
+                }
             }
-            // Oscillator fallback
             this._playNoteOsc(note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine);
         },
 
@@ -234,10 +239,10 @@
             const durSec = durationMs / 1000;
             const doNoteOn = () => {
                 try {
+                    const bl = _synthInstance.soundBankManager?.soundBankList?.length ?? 0;
+                    console.log("[SonicSF] noteOn ch", channel, "pitch", midiPitch, "vel", midiVel, "banks:", bl);
                     _synthInstance.noteOn(channel, midiPitch, midiVel);
-                    setTimeout(() => {
-                        try { _synthInstance.noteOff(channel, midiPitch); } catch (e) {}
-                    }, durSec * 1000);
+                    setTimeout(() => { try { _synthInstance.noteOff(channel, midiPitch); } catch (e) {} }, durSec * 1000);
                 } catch (e) {
                     console.warn("[SonicSF] noteOn failed:", e);
                 }