fixed various caching issues when rapidly changing values

app/node/node.h

@@ -209,11 +209,6 @@ protected:
    */
   void RemoveParameter(NodeParam* param);
 
-  /**
-   * @brief If we receive a signal from NodeInput `input`, don't propagate it.
-   */
-  void IgnoreCacheInvalidationFrom(NodeInput* input);
-
   /**
    * @brief The main processing function
    *
@@ -239,6 +234,10 @@ protected:
    */
   NodeOutput* LastProcessedOutput();
 
+  void ClearCachedValuesInParameters(const rational& start_range, const rational& end_range);
+
+  void SendInvalidateCache(const rational& start_range, const rational& end_range);
+
 public slots:
 
 signals:
@@ -266,11 +265,6 @@ private:
    */
   bool HasParamWithID(const QString& id);
 
-  /**
-   * @brief Internal list of inputs to ignore InvalidateCache() signals from
-   */
-  QList<NodeInput*> ignore_invalid_cache_inputs_;
-
   /**
    * @brief The last timecode Process() was called with
    */