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diff --git a/kstars/kstars/indi/webcam/v4l2_base.h b/kstars/kstars/indi/webcam/v4l2_base.h
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+++ b/kstars/kstars/indi/webcam/v4l2_base.h
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+/*
+    Copyright (C) 2005 by Jasem Mutlaq
+
+    Based on V4L 2 Example
+    http://v4l2spec.bytesex.org/spec-single/v4l2.html#CAPTURE-EXAMPLE
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifndef V4L2_BASE_H
+#define V4L2_BASE_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "videodev2.h"
+#include "../eventloop.h"
+#include "../indidevapi.h"
+
+#define VIDEO_COMPRESSION_LEVEL		4
+
+class V4L2_Base
+{
+  public:
+   V4L2_Base();
+   virtual ~V4L2_Base();
+
+   typedef enum { IO_METHOD_READ, IO_METHOD_MMAP, IO_METHOD_USERPTR } io_method;
+
+   struct buffer
+   {
+        void *                  start;
+        size_t                  length;
+   };
+
+  /* Connection */
+  virtual int connectCam(const char * devpath, char *errmsg, int pixelFormat = V4L2_PIX_FMT_YUYV , int width = 160, int height = 120);
+  virtual void disconnectCam();
+  char * getDeviceName();
+
+  /* Image settings */
+  int  getBrightness();
+  int  getContrast();
+  int  getColor();
+  int  getHue();
+  int  getWhiteness();
+  void setContrast(int val);
+  void setBrightness(int val);
+  void setColor(int val);
+  void setHue(int val);
+  void setWhiteness(int val);
+
+  /* Updates */
+  void callFrame(void *p);
+  void setPictureSettings();
+  void getPictureSettings();
+
+  /* Image Size */
+  int getWidth();
+  int getHeight();
+  virtual int setSize(int x, int y);
+  virtual void getMaxMinSize(int & x_max, int & y_max, int & x_min, int & y_min);
+
+  /* Frame rate */
+  void setFPS(int fps);
+  int  getFPS();
+
+  void allocBuffers();
+  unsigned char * getY();
+  unsigned char * getU();
+  unsigned char * getV();
+  unsigned char * getColorBuffer();
+
+  void registerCallback(WPF *fp, void *ud);
+
+  int start_capturing(char *errmsg);
+  int stop_capturing(char *errmsg);
+  static void newFrame(int fd, void *p);
+  
+  void enumerate_ctrl (void);
+  void enumerate_menu (void);
+  int  queryINTControls(INumberVectorProperty *nvp);
+  int  setINTControl(unsigned int ctrl_id, double new_value, char *errmsg);
+
+  int  query_ctrl(unsigned int ctrl_id, double & ctrl_min, double & ctrl_max, double & ctrl_step, double & ctrl_value, char *errmsg);
+
+  protected:
+
+  int xioctl(int fd, int request, void *arg);
+  int read_frame(char *errsg);
+  int uninit_device(char *errmsg);
+  int open_device(const char *devpath, char *errmsg);
+  int init_device(char *errmsg, int pixelFormat , int width, int height); 
+  int init_mmap(char *errmsg);
+  int errno_exit(const char *s, char *errmsg);
+  
+  void close_device(void);
+  void init_userp(unsigned int buffer_size);
+  void init_read(unsigned int buffer_size);
+
+  void findMinMax();
+  
+  struct v4l2_capability cap;
+  struct v4l2_cropcap cropcap;
+  struct v4l2_crop crop;
+  struct v4l2_format fmt;
+
+  struct v4l2_queryctrl queryctrl;
+  struct v4l2_querymenu querymenu;
+
+  WPF *callback;
+  void *uptr;
+  char          dev_name[64];
+  io_method	io;
+  int           fd;
+  struct buffer *buffers;
+  unsigned int  n_buffers;
+
+  bool		dropFrame;
+
+  
+  int frameRate;
+  int  xmax, xmin, ymax, ymin;
+  int  selectCallBackID;
+  unsigned char * YBuf,*UBuf,*VBuf, *colorBuffer, *rgb24_buffer;
+
+};
+   
+#endif