fix output res&frame rate

nodes/decklink-out/src/decklink_out_node.hpp

@@ -41,7 +41,8 @@ private:
     void schedule_frame(void* mxl_payload, long width, long height, long row_bytes);
 
     std::optional<mxlFlowReader> reader_;
-    mxlRational grain_rate_{50, 1};
+    mxlRational flow_rate_{50, 1};
+    mxlRational output_rate_{50, 1};
     uint64_t read_index_ = 0;
     uint64_t grains_read_ = 0;
 
@@ -55,6 +56,9 @@ private:
     BMDTimeScale time_scale_ = 50000;
 
     std::atomic<bool> playing_{false};
+    bool is_interlaced_ = false;
+    long out_width_ = 1920;
+    long out_height_ = 1080;
 
     class OutputCallback : public IDeckLinkVideoOutputCallback {
     public: