comparison transform/FeatureExtractionModelTransformer.h @ 1211:5a1198083d9a piper

Pull out model creation into the transformer thread run(), so that all communications with the plugin server happen on a single thread. Then make the model accessor wait for them to be created (which still happens right at the start of processing) before returning.

 #define _FEATURE_EXTRACTION_MODEL_TRANSFORMER_H_
 
 #include "ModelTransformer.h"
 
 #include <QString>
+#include <QMutex>
+#include <QWaitCondition>
 
 #include <vamp-hostsdk/Plugin.h>
 
 #include <iostream>
 #include <map>

     void setCompletion(int, int);
 
     void getFrames(int channelCount, sv_frame_t startFrame, sv_frame_t size,
                    float **buffer);
 
-    // just casts
+    bool m_haveOutputs;
+    QMutex m_outputMutex;
+    QWaitCondition m_outputsCondition;
+    void awaitOutputModels();
+    
+    // just casts:
 
     DenseTimeValueModel *getConformingInput();
 
     template <typename ModelClass> bool isOutput(int n) {
         return dynamic_cast<ModelClass *>(m_outputs[n]) != 0;