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diff --git a/cinelerra-5.1/cinelerra/videowindow.h b/cinelerra-5.1/cinelerra/videowindow.h
new file mode 100644
index 00000000..b8fe1b2a
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+++ b/cinelerra-5.1/cinelerra/videowindow.h
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+
+/*
+ * 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 VIDEOWINDOW_H
+#define VIDEOWINDOW_H
+
+
+#include "bchash.inc"
+#include "mwindow.inc"
+#include "thread.h"
+#include "vframe.inc"
+#include "videowindowgui.inc"
+
+
+class VideoWindow : public Thread
+{
+public:
+	VideoWindow(MWindow *mwindow);
+	~VideoWindow();
+	
+	void create_objects();
+	int init_window();
+	int load_defaults(BC_Hash *defaults);
+	int update_defaults(BC_Hash *defaults);
+	int get_aspect_ratio(float &aspect_w, float &aspect_h);
+	int fix_size(int &w, int &h, int width_given, float aspect_ratio);
+	int get_full_sizes(int &w, int &h);
+	void run();
+
+	int show_window();
+	int hide_window();
+	int resize_window();
+	int original_size(); // Put the window at its original size
+	int reset();
+	int init_video();
+	int stop_video();
+	int update(BC_Bitmap *frame);
+	int get_w();
+	int get_h();
+	int start_cropping();
+	int stop_cropping();
+	BC_Bitmap* get_bitmap();  // get a bitmap for playback
+
+// allocated according to playback buffers
+	float **peak_history;
+
+	int video_visible;
+	int video_cropping;    // Currently performing a cropping operation
+//	float zoom_factor;
+	int video_window_w;    // Horizontal size of the window independant of frame size
+	VFrame **vbuffer;      // output frame buffer
+	VideoWindowGUI *gui;
+	MWindow *mwindow;
+};
+
+
+
+
+
+#endif