fix: mất soundfont khi ARM - clamp tham số master chain chặn NaN làm biquad state bad, toggleMasteringOnMaster idempotent, loadSoundFont retry khi lỗi thoáng qua

2026-08-03 11:44:13 +07:00
parent 022ba38a5e
commit 71278f2aba
5 changed files with 67 additions and 33 deletions
@@ -233,7 +233,13 @@
            // times (handles 1,2,3,4…) — wasting the 256MB WASM heap and stalling
            // notes until each load finishes (audible lag, then silence).
            if (!_loadPromises[sfId]) {
-                _loadPromises[sfId] = this._doLoadSoundFont(sfId);
+                _loadPromises[sfId] = this._doLoadSoundFont(sfId).then(function (ok) {
+                    // Do NOT cache failures: a transient error (network hiccup,
+                    // memory pressure) must not permanently kill the instrument —
+                    // the next note retries the load and recovers.
+                    if (!ok) delete _loadPromises[sfId];
+                    return ok;
+                });
            }
            return _loadPromises[sfId];
        },