fix: cho phép chỉnh sửa MIDI ở main session và section tab

2026-07-23 08:58:41 +07:00
parent 0e44e44ecb
commit af5d20d2e5
3 changed files with 893 additions and 34 deletions
@@ -0,0 +1,31 @@
+class PCMRecorderProcessor extends AudioWorkletProcessor {
+    constructor() {
+        super();
+        this.bufferSize = 4096;
+        this.buffer = new Float32Array(this.bufferSize);
+        this.bufferIndex = 0;
+    }
+
+    process(inputs, outputs, parameters) {
+        const input = inputs[0];
+        if (input && input.length > 0) {
+            const inputChannel = input[0]; // Mono Channel 0
+            
+            for (let i = 0; i < inputChannel.length; i++) {
+                this.buffer[this.bufferIndex++] = inputChannel[i];
+                
+                // When Ring-Buffer fills, send Float32Array to Main Thread
+                if (this.bufferIndex >= this.bufferSize) {
+                    this.port.postMessage({
+                        type: 'PCM_DATA',
+                        buffer: this.buffer.slice(0, this.bufferSize)
+                    });
+                    this.bufferIndex = 0;
+                }
+            }
+        }
+        return true; // Keep worklet active
+    }
+}
+
+registerProcessor('pcm-recorder-processor', PCMRecorderProcessor);