First commit on FFT analysis window. Still some functionality missing,

but it's mostly done.


git-svn-id: svn://localhost/trunk/ardour2@383 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 73 insertions, 0 deletions

diff --git a/gtk2_ardour/fft_result.h b/gtk2_ardour/fft_result.h
new file mode 100644
index 0000000000..c8f17dc01c
--- /dev/null
+++ b/gtk2_ardour/fft_result.h
@@ -0,0 +1,73 @@
+/*
+    Copyright (C) 2006 Paul Davis
+	Written by Sampo Savolainen
+
+    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_fft_result_h
+#define __ardour_fft_result_h
+
+#include <ardour/types.h>
+#include <fftw3.h>
+
+#include <gdkmm/color.h>
+
+#include <string>
+
+class FFTGraph;
+
+class FFTResult
+{
+	public:
+		
+		~FFTResult();
+
+		void analyzeWindow(float *window);
+		void finalize();
+
+		const int length() { return _dataSize; }
+
+		float sampleAt(int x);
+		
+		const float minimum() { return _minimum; }
+		const float maximum() { return _maximum; }
+		
+		const Gdk::Color get_color() { return _color; }
+		
+	private:
+		FFTResult(FFTGraph *graph, Gdk::Color color, std::string trackname);
+		
+		int 	_averages;
+
+		float*	_data;
+		float*	_work;
+
+		int		_windowSize;
+		int 	_dataSize;
+
+		float 	_minimum;
+		float 	_maximum;
+
+		FFTGraph *_graph;
+		
+		Gdk::Color _color;
+		std::string _trackname;
+		
+	friend class FFTGraph;
+};
+
+#endif /* __ardour_fft_result_h */