bugfix

src/nodes/base/base.hpp

@@ -47,7 +47,7 @@ public:
         std::weak_ptr<BaseNode> weak_self = shared_from_this();
         buffer->set_push_callback([weak_self]() {
             if (auto self = weak_self.lock()) {
-                self->cond_var_.notify_one();
+                self->cond_var_->notify_one();
             }
         });
         output_buffers_[name] = buffer;