新增FLAC格式音乐标签信息写入与封面嵌入

src/main/utils/flac-metadata/lib/MetaDataBlock.js

@@ -0,0 +1,25 @@
+class MetaDataBlock {
+  constructor(isLast, type) {
+    this.isLast = isLast
+    this.type = type
+    this.error = null
+    this.hasData = false
+    this.removed = false
+  }
+
+  remove() {
+    this.removed = true
+  }
+
+  parse(buffer) {
+  }
+
+  toString() {
+    let str = '[MetaDataBlock]'
+    str += ' type: ' + this.type
+    str += ', isLast: ' + this.isLast
+    return str
+  }
+}
+
+module.exports = MetaDataBlock