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diff --git a/cinelerra-5.1/plugins/parametric/parametric.h b/cinelerra-5.1/plugins/parametric/parametric.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2011 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef PARAMETRIC_H
+#define PARAMETRIC_H
+
+
+#include "bchash.inc"
+#include "fourier.h"
+#include "guicast.h"
+#include "mutex.h"
+#include "pluginaclient.h"
+#include "vframe.inc"
+
+
+// This parametric EQ multiplies the data by a gaussian curve in frequency domain.
+// It causes significant delay but is useful.
+
+
+#define BANDS 3
+#define MAXMAGNITUDE 15
+#define MAX_WINDOW 262144
+
+
+
+class ParametricConfig;
+class ParametricThread;
+class ParametricFreq;
+class ParametricQuality;
+class ParametricMagnitude;
+class ParametricBandGUI;
+class ParametricWindow;
+class ParametricFFT;
+class ParametricEQ;
+
+
+
+
+class ParametricBand
+{
+public:
+	ParametricBand();
+
+	int equivalent(ParametricBand &that);
+	void copy_from(ParametricBand &that);
+	void interpolate(ParametricBand &prev, 
+		ParametricBand &next, 
+		double prev_scale, 
+		double next_scale);
+
+	enum
+	{
+		NONE,
+		LOWPASS,
+		HIGHPASS,
+		BANDPASS
+	};
+	
+	int freq;
+	float quality;
+	float magnitude;
+	int mode;
+};
+
+
+class ParametricConfig
+{
+public:
+	ParametricConfig();
+
+	int equivalent(ParametricConfig &that);
+	void copy_from(ParametricConfig &that);
+	void interpolate(ParametricConfig &prev, 
+		ParametricConfig &next, 
+		int64_t prev_frame, 
+		int64_t next_frame, 
+		int64_t current_frame);
+
+	ParametricBand band[BANDS];
+	float wetness;
+	int window_size;
+};
+
+
+
+
+
+class ParametricFreq : public BC_QPot
+{
+public:
+	ParametricFreq(ParametricEQ *plugin, int x, int y, int band);
+	
+	int handle_event();
+	
+	int band;
+	ParametricEQ *plugin;
+};
+
+
+class ParametricQuality : public BC_FPot
+{
+public:
+	ParametricQuality(ParametricEQ *plugin, int x, int y, int band);
+	
+	int handle_event();
+	
+	int band;
+	ParametricEQ *plugin;
+};
+
+
+class ParametricMagnitude : public BC_FPot
+{
+public:
+	ParametricMagnitude(ParametricEQ *plugin, int x, int y, int band);
+	
+	int handle_event();
+	
+	int band;
+	ParametricEQ *plugin;
+};
+
+
+
+
+class ParametricMode : public BC_PopupMenu
+{
+public:
+	ParametricMode(ParametricEQ *plugin, int x, int y, int band);
+	
+	void create_objects();
+	int handle_event();
+	static int text_to_mode(char *text);
+	static const char* mode_to_text(int mode);
+
+	int band;
+	ParametricEQ *plugin;
+};
+
+
+
+
+
+class ParametricBandGUI
+{
+public:
+	ParametricBandGUI(ParametricEQ *plugin, 
+		ParametricWindow *window, 
+		int x, 
+		int y, 
+		int band);
+	~ParametricBandGUI();
+	
+	void create_objects();
+	void update_gui();
+	
+	int band;
+	int x, y;
+	ParametricEQ *plugin;
+	ParametricWindow *window;
+	ParametricFreq *freq;
+	ParametricQuality *quality;
+	ParametricMagnitude *magnitude;
+	ParametricMode *mode;
+};
+
+
+class ParametricSize : public BC_PopupMenu
+{
+public:
+	ParametricSize(ParametricWindow *window, ParametricEQ *plugin, int x, int y);
+
+	int handle_event();
+	void create_objects();         // add initial items
+	void update(int size);
+
+	ParametricWindow *window;
+	ParametricEQ *plugin;
+};
+
+
+
+
+class ParametricWetness : public BC_FPot
+{
+public:
+	ParametricWetness(ParametricEQ *plugin, int x, int y);
+	int handle_event();
+	ParametricEQ *plugin;
+};
+
+
+class ParametricWindow : public PluginClientWindow
+{
+public:
+	ParametricWindow(ParametricEQ *plugin);
+	~ParametricWindow();
+
+	void create_objects();
+	void update_gui();
+	void update_canvas();
+	
+	BC_SubWindow *canvas;
+	ParametricEQ *plugin;
+	ParametricBandGUI* bands[BANDS];
+	ParametricWetness *wetness;
+	ParametricSize *size;
+};
+
+
+class ParametricGUIFrame : public PluginClientFrame
+{
+public:
+	ParametricGUIFrame(int window_size, int sample_rate);
+	virtual ~ParametricGUIFrame();
+	double *data;
+// Maximum of window in frequency domain
+	double freq_max;
+// Maximum of window in time domain
+	double time_max;
+	int window_size;
+};
+
+
+class ParametricFFT : public CrossfadeFFT
+{
+public:
+	ParametricFFT(ParametricEQ *plugin);
+	~ParametricFFT();
+	
+	int signal_process();
+	int post_process();
+	int read_samples(int64_t output_sample, 
+		int samples, 
+		Samples *buffer);
+
+	ParametricEQ *plugin;
+// Current GUI frame being filled
+	ParametricGUIFrame *frame;
+};
+
+
+class ParametricEQ : public PluginAClient
+{
+public:
+	ParametricEQ(PluginServer *server);
+	~ParametricEQ();
+
+	int is_realtime();
+	void read_data(KeyFrame *keyframe);
+	void save_data(KeyFrame *keyframe);
+	int process_buffer(int64_t size, 
+		Samples *buffer, 
+		int64_t start_position,
+		int sample_rate);
+
+	void reset();
+	void reconfigure();
+	void update_gui();
+
+	double calculate_envelope();
+	double gauss(double sigma, double a, double x);
+
+	double *envelope;
+	int need_reconfigure;
+	PLUGIN_CLASS_MEMBERS(ParametricConfig)
+	ParametricFFT *fft;
+// For refreshing the canvas
+	ParametricGUIFrame *last_frame;
+};
+
+
+
+#endif