OpenVideo Documentation

V4LSrc.h

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/* ========================================================================
 * Copyright (C) 2005  Graz University of Technology
 *
 * This framework 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 framework 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 framework; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For further information please contact Denis Kalkofen under
 * <kalkofen@icg.tu-graz.ac.at> or write to Denis Kalkofen,
 * Graz University of Technology, Inffeldgasse 16a, A8010 Graz,
 * Austria.
 * ========================================================================
 * PROJECT: OpenVideo
 * ======================================================================== */
/* ======================================================================= */
#ifndef _V4LSRC_H
#define _V4LSRC_H

#include <openvideo/openVideo.h>
#include <openvideo/Node.h>
#include <openvideo/PixelFormat.h>
#include <string>

#ifdef ENABLE_V4LSRC

#include <openvideo/nodes/v4l.h>

class OPENVIDEO_API V4LSrc : 
public Node
{
 public:

  enum VideoChannel {
    VideoTVSource = 0,
    VideoCompositeSource = 1,
    VideoSVideoSource = 2
  };

  V4LSrc(); 

  ~V4LSrc();

  virtual bool setParameter(std::string key, std::string value);

  virtual void start();

  virtual void process();

  virtual void postProcess();

 protected:

  char videoDevice[40];
    
  int videoWidth;

  int videoHeight;
    
  int videoMode;

  VideoChannel videoChannel;
  
  PIXEL_FORMAT pixelFormat;

 private:

  int videoPixelFormat;

  V4LMMInfo videoInfo;

  unsigned char *videoBuffer;

  int videoFd;

  int videoFrame;
};

#endif // ENABLE_V4LSRC
#endif // __V4LSRC_H

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