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diff --git a/libs/ardour/ardour/transient_detector.h b/libs/ardour/ardour/transient_detector.h
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+++ b/libs/ardour/ardour/transient_detector.h
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+/*
+    Copyright (C) 2008 Paul Davis 
+
+    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.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_transient_detector_h__
+#define __ardour_transient_detector_h__
+
+#include <ardour/audioanalyser.h>
+
+namespace ARDOUR {
+
+class AudioSource;
+class Session;
+
+class TransientDetector : public AudioAnalyser
+{
+
+  public:
+    TransientDetector (float sample_rate);
+    ~TransientDetector();
+
+    void set_threshold (float);
+    void set_sensitivity (float);
+
+    float get_threshold () const;
+    float get_sensitivity () const;
+    
+    int run (const std::string& path, Readable*, uint32_t channel, std::vector<nframes64_t>& results);
+
+ protected:
+    std::vector<nframes64_t>* current_results;
+    int use_features (Vamp::Plugin::FeatureSet&, std::ostream*);
+};
+
+} /* namespace */
+
+#endif /* __ardour_audioanalyser_h__ */