fix: crash AudioWorklet khi output mono - xử lý mọi số channel trong fluidsynth-bridge + ép stereo outputChannelCount=2

2026-08-03 11:20:30 +07:00
parent 47b1633bd3
commit 34ad02dd6b
4 changed files with 26 additions and 6 deletions
@@ -141,7 +141,15 @@

                    if (!_useScriptNode) {
                        try {
-                            _workletNode = new AudioWorkletNode(_audioCtx, 'fluidsynth-bridge');
+                            // Force stereo output regardless of the device's
+                            // channel count — FluidSynth renders stereo, and a
+                            // mono output would crash the worklet (out[1] undefined).
+                            _workletNode = new AudioWorkletNode(_audioCtx, 'fluidsynth-bridge', {
+                                numberOfOutputs: 1,
+                                outputChannelCount: [2],
+                                channelCount: 2,
+                                channelCountMode: 'explicit'
+                            });
                            _workletNode.connect(_gainNode);
                            console.log("[SonicSF] AudioWorklet node connected via gain");
                            _startRenderLoop();