Add method to resize buffers on DataThread

Author: aacuevas

Source/Processors/DataThreads/DataThread.cpp

@@ -138,4 +138,7 @@ GenericEditor* DataThread::createEditor (SourceNode*)
 }
 
 void DataThread::createExtraEvents(Array<EventChannel*>&)
+{}
+
+void DataThread::resizeBuffers()
 {}

Source/Processors/DataThreads/DataThread.h

@@ -68,6 +68,9 @@ class PLUGIN_API DataThread : public Thread
     /** Returns the address of the DataBuffer that the input source will fill.*/
     DataBuffer* getBufferAddress(int subProcessor) const;
 
+	/** Called when the chain updates, to add, remove or resize the sourceBuffers' DataBuffers as needed*/
+	virtual void resizeBuffers();
+
     /** Fills the DataBuffer with incoming data. This is the most important
     method for each DataThread.*/
     virtual bool updateBuffer() = 0;

Source/Processors/SourceNode/SourceNode.cpp

@@ -78,6 +78,7 @@ void SourceNode::resizeBuffers()
 	eventStates.clear();
 	if (dataThread != nullptr)
 	{
+		dataThread->resizeBuffers();
 		int numSubProcs = dataThread->getNumSubProcessors();
 		for (int i = 0; i < numSubProcs; i++)
 		{