修复指针转换偏移量导致的bug

src/Extension/Frame.h

@@ -264,14 +264,14 @@ public:
     void addDelegate(const FrameWriterInterface::Ptr &delegate){
         //_delegates_write可能多线程同时操作
         lock_guard<mutex> lck(_mtx);
-        _delegates_write.emplace((void *)delegate.get(),delegate);
+        _delegates_write.emplace(delegate.get(),delegate);
         _need_update = true;
     }
 
     /**
      * 删除代理
      */
-    void delDelegate(void *ptr){
+    void delDelegate(FrameWriterInterface *ptr){
         //_delegates_write可能多线程同时操作
         lock_guard<mutex> lck(_mtx);
         _delegates_write.erase(ptr);