add: add 2 functions.

app/pluginSupport/OliveInstance.cpp

@@ -115,6 +115,17 @@ void OliveInstance::getProjectExtent(double &xSize, double &ySize) const
 	ySize = Current::getInstance().currentVideoParams().height();
 	// TODO: Ensure this project does not support this.
 }
+double OliveInstance::getProjectPixelAspectRatio() const
+{
+	return Current::getInstance()
+		.currentVideoParams()
+		.pixel_aspect_ratio()
+		.toDouble();
+}
+double OliveInstance::getFrameRate() const
+{
+	return Current::getInstance().currentVideoParams().frame_rate().toDouble();
+}
 
 }
 }

app/pluginSupport/OliveInstance.h

@@ -45,7 +45,7 @@ public:
 	{
 	}
 	~OliveInstance() override = default;
-	virtual const std::string &getDefaultOutputFielding() const{
+	const std::string &getDefaultOutputFielding() const{
 		return kOfxImageFieldNone;
 	};
 
@@ -69,7 +69,24 @@ public:
 	void getProjectSize(double& xSize, double& ySize) const override;
 	void getProjectOffset(double& xOffset, double& yOffset) const override;
 	void getProjectExtent(double& xSize, double& ySize) const override;
+	// The pixel aspect ratio of the current project 
+	double getProjectPixelAspectRatio() const override;
 
+	// The duration of the effect 
+	// This contains the duration of the plug-in effect, in frames. 
+	double getEffectDuration() const override;
+
+	// For an instance, this is the frame rate of the project the effect is in. 
+	double getFrameRate() const override;
+
+	/// This is called whenever a param is changed by the plugin so that
+	/// the recursive instanceChangedAction will be fed the correct frame 
+	double getFrameRecursive() const override;
+
+	/// This is called whenever a param is changed by the plugin so that
+	/// the recursive instanceChangedAction will be fed the correct
+	/// renderScale
+	void getRenderScaleRecursive(double &x, double &y) const override;
 
 private:
 	QList<PersistentErrors> persistentErrors_;