diff 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.

--- a/transform/FeatureExtractionModelTransformer.h	Fri Oct 14 16:23:04 2016 +0100
+++ b/transform/FeatureExtractionModelTransformer.h	Mon Oct 17 14:18:23 2016 +0100
@@ -19,6 +19,8 @@
 #include "ModelTransformer.h"
 
 #include <QString>
+#include <QMutex>
+#include <QWaitCondition>
 
 #include <vamp-hostsdk/Plugin.h>
 
@@ -74,7 +76,12 @@
     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();