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diff --git a/cinelerra-5.1/plugins/huesaturation/huesaturation.h b/cinelerra-5.1/plugins/huesaturation/huesaturation.h
new file mode 100644
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+++ b/cinelerra-5.1/plugins/huesaturation/huesaturation.h
@@ -0,0 +1,173 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 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 HUESATURATION_H
+#define HUESATURATION_H
+
+#include "bccolors.h"
+#include "bcdisplayinfo.h"
+#include "clip.h"
+#include "bchash.h"
+#include "filexml.h"
+#include "guicast.h"
+#include "language.h"
+#include "loadbalance.h"
+#include "bccolors.h"
+#include "playback3d.h"
+#include "pluginvclient.h"
+#include "vframe.h"
+
+#include <stdint.h>
+#include <string.h>
+
+
+class HueEffect;
+class HueWindow;
+class HueReset;
+
+#define MINHUE -180
+#define MAXHUE 180
+#define MINSATURATION -100
+#define MAXSATURATION 100
+#define MINVALUE -100
+#define MAXVALUE 100
+
+
+
+
+
+
+class HueConfig
+{
+public:
+	HueConfig();
+
+	void copy_from(HueConfig &src);
+	int equivalent(HueConfig &src);
+	void reset();
+	void interpolate(HueConfig &prev,
+		HueConfig &next,
+		long prev_frame,
+		long next_frame,
+		long current_frame);
+	float hue, saturation, value;
+};
+
+class HueSlider : public BC_FSlider
+{
+public:
+	HueSlider(HueEffect *plugin, int x, int y, int w);
+	int handle_event();
+	HueEffect *plugin;
+};
+
+class SaturationSlider : public BC_FSlider
+{
+public:
+	SaturationSlider(HueEffect *plugin, int x, int y, int w);
+	int handle_event();
+	char* get_caption();
+	HueEffect *plugin;
+	char string[BCTEXTLEN];
+};
+
+class ValueSlider : public BC_FSlider
+{
+public:
+	ValueSlider(HueEffect *plugin, int x, int y, int w);
+	int handle_event();
+	char* get_caption();
+	HueEffect *plugin;
+	char string[BCTEXTLEN];
+};
+
+class HueReset : public BC_GenericButton
+{
+public:
+	HueReset(HueEffect *plugin, HueWindow *gui, int x, int y);
+	~HueReset();
+	int handle_event();
+	HueEffect *plugin;
+	HueWindow *gui;
+};
+
+class HueWindow : public PluginClientWindow
+{
+public:
+	HueWindow(HueEffect *plugin);
+	void create_objects();
+	void update();
+	HueEffect *plugin;
+	HueSlider *hue;
+	SaturationSlider *saturation;
+	ValueSlider *value;
+	HueReset *reset;
+};
+
+
+class HueEngine : public LoadServer
+{
+public:
+	HueEngine(HueEffect *plugin, int cpus);
+	void init_packages();
+	LoadClient* new_client();
+	LoadPackage* new_package();
+	HueEffect *plugin;
+};
+
+class HuePackage : public LoadPackage
+{
+public:
+	HuePackage();
+	int row1, row2;
+};
+
+class HueUnit : public LoadClient
+{
+public:
+	HueUnit(HueEffect *plugin, HueEngine *server);
+	void process_package(LoadPackage *package);
+	HueEffect *plugin;
+};
+
+class HueEffect : public PluginVClient
+{
+public:
+	HueEffect(PluginServer *server);
+	~HueEffect();
+
+
+	PLUGIN_CLASS_MEMBERS(HueConfig);
+	int process_buffer(VFrame *frame,
+		int64_t start_position,
+		double frame_rate);
+	int is_realtime();
+	void save_data(KeyFrame *keyframe);
+	void read_data(KeyFrame *keyframe);
+	void update_gui();
+	int handle_opengl();
+
+	VFrame *input, *output;
+	HueEngine *engine;
+};
+
+#endif
+