comparison transform/FeatureExtractionModelTransformer.h @ 388:370aa9714ef5

* Move plugin/transform to plain transform.  This way transform can depend on
  model and GUI classes, but plugin doesn't have to.

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006 Chris Cannam and QMUL.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _FEATURE_EXTRACTION_PLUGIN_TRANSFORMER_H_
+#define _FEATURE_EXTRACTION_PLUGIN_TRANSFORMER_H_
+
+#include "ModelTransformer.h"
+
+#include <QString>
+
+#include <vamp-sdk/Plugin.h>
+
+#include <iostream>
+
+class DenseTimeValueModel;
+
+class FeatureExtractionModelTransformer : public ModelTransformer
+{
+    Q_OBJECT
+
+public:
+    FeatureExtractionModelTransformer(Input input,
+                                      const Transform &transform);
+    virtual ~FeatureExtractionModelTransformer();
+
+protected:
+    virtual void run();
+
+    Vamp::Plugin *m_plugin;
+    Vamp::Plugin::OutputDescriptor *m_descriptor;
+    int m_outputFeatureNo;
+
+    void addFeature(size_t blockFrame,
+		    const Vamp::Plugin::Feature &feature);
+
+    void setCompletion(int);
+
+    void getFrames(int channelCount, long startFrame, long size,
+                   float **buffer);
+
+    // just casts
+    DenseTimeValueModel *getConformingInput();
+    template <typename ModelClass> ModelClass *getConformingOutput() {
+	ModelClass *mc = dynamic_cast<ModelClass *>(m_output);
+	if (!mc) {
+	    std::cerr << "FeatureExtractionModelTransformer::getOutput: Output model not conformable" << std::endl;
+	}
+	return mc;
+    }
+};
+
+#endif
+