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diff --git a/cinelerra-5.1/plugins/colorspace/colorspace.h b/cinelerra-5.1/plugins/colorspace/colorspace.h
new file mode 100644
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+++ b/cinelerra-5.1/plugins/colorspace/colorspace.h
@@ -0,0 +1,156 @@
+
+/*
+ * 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 __COLORSPACE_H__
+#define __COLORSPACE_H__
+
+class ColorSpaceMain;
+
+#include "bchash.h"
+#include "mutex.h"
+#include "loadbalance.h"
+#include "pluginvclient.h"
+#include "colorspacewindow.h"
+#include <sys/types.h>
+
+class ColorSpaceConfig;
+class ColorSpaceMain;
+class ColorSpacePackage;
+class ColorSpaceUnit;
+class ColorSpaceEngine;
+
+class XTable {
+public:
+	typedef int lut_t;
+	enum lut_typ { yuv2yuv, rgb2yuv, yuv2rgb, rgb2rgb };
+
+	XTable();
+	~XTable();
+	int init_yuv2yuv(double iKr, double iKb, double oKr, double oKb);
+	int init_rgb2yuv(double Kr, double Kb);
+	int init_yuv2rgb(double Kr, double Kb);
+	int init_rgb2rgb(double iKr, double iKb, double oKr, double oKb);
+
+	void init(int len, int inv,
+		int inp_model, int inp_space, int inp_range,
+		int out_model, int out_space, int out_range);
+	void alloc_lut(int len);
+	void create_table(lut_t **lut, int len, float *vars);
+	void create_tables(int len);
+	int inverse();
+	void process(VFrame *inp, VFrame *out, int row1, int row2);
+
+	int typ, len, inv;
+	int inp_model, inp_space, inp_range;
+	int out_model, out_space, out_range;
+
+	lut_t imin[3], omin[3], imax[3], omax[3];
+	lut_t izro[3], ozro[3], irng[3], orng[3];
+	float izrf[3], ozrf[3], omnf[3], omxf[3];
+
+	union {
+		struct {
+			float Yy, Uy, Vy;
+			float Yu, Uu, Vu;
+			float Yv, Uv, Vv;
+		};
+		struct {
+			float Ry, Gy, By;
+			float Ru, Gu, Bu;
+			float Rv, Gv, Bv;
+		};
+		struct {
+			float Yr, Ur, Vr;
+			float Yg, Ug, Vg;
+			float Yb, Ub, Vb;
+		};
+		struct {
+			float Rr, Gr, Br;
+			float Rg, Gg, Bg;
+			float Rb, Gb, Bb;
+		};
+		float eqns[3][3];
+	};
+	lut_t *luts[3][3];
+};
+
+
+class ColorSpaceConfig
+{
+public:
+	ColorSpaceConfig();
+	int inverse;
+	int inp_colorspace, inp_colorrange;
+	int out_colorspace, out_colorrange;
+};
+
+class ColorSpacePackage : public LoadPackage
+{
+public:
+	ColorSpacePackage();
+	int row1, row2;
+};
+
+class ColorSpaceUnit : public LoadClient
+{
+public:
+	ColorSpaceUnit(ColorSpaceMain *plugin, ColorSpaceEngine *engine);
+	void process_package(LoadPackage *package);
+	ColorSpaceEngine *engine;
+	ColorSpaceMain *plugin;
+
+};
+
+class ColorSpaceEngine : public LoadServer
+{
+public:
+	ColorSpaceEngine(ColorSpaceMain *plugin, int cpus);
+	void init_packages();
+	LoadClient* new_client();
+	LoadPackage* new_package();
+	ColorSpaceMain *plugin;
+};
+
+
+class ColorSpaceMain : public PluginVClient
+{
+public:
+	ColorSpaceMain(PluginServer *server);
+	~ColorSpaceMain();
+
+	PLUGIN_CLASS_MEMBERS(ColorSpaceConfig);
+	int process_realtime(VFrame *input, VFrame *output);
+	int is_realtime();
+	void update_gui();
+	void save_data(KeyFrame *keyframe);
+	void read_data(KeyFrame *keyframe);
+	int handle_opengl();
+	int create_luts();
+
+	int inp_color_space, inp_color_range;
+	int out_color_space, out_color_range;
+	VFrame *inp, *out;
+	XTable *xtable;
+	ColorSpaceEngine *engine;
+};
+
+
+#endif