xv-displayer.hpp

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/*
  XV-DISPLAYER.hpp  -  XVideo display
 
   Copyright (C)
     2000,            Arne Schirmacher <arne@schirmacher.de>
     2001-2007,       Dan Dennedy <dan@dennedy.org>
     2008,            Joel Holdsworth <joel@airwebreathe.org.uk>
 
 **Lumiera** 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. See the file COPYING for further details.
 
*/
 
 
#ifndef STAGE_OUTPUT_XV_DISPLAYER_H
#define STAGE_OUTPUT_XV_DISPLAYER_H
 
 
#include "stage/output/displayer.hpp"
#include "stage/gtk-base.hpp"
 
#include <X11/Xlib.h>
#include <X11/extensions/XShm.h>
#include <X11/extensions/Xvlib.h>
 
 
namespace Gtk {
  class Widget;
}
 
namespace stage {
namespace output {
  
  class XvDisplayer
    : public Displayer
    {
    public:
      XvDisplayer (Gtk::Widget& drawing_area, uint width, uint height);
      
     ~XvDisplayer();
      
      
    private:
      void put (void* const image)  override;
      
      bool usable()  override;
      
      DisplayerInput format() override
        {
          return lumiera::DISPLAY_YUV;
        }
      
      
      bool gotPort;
      
      uint grabbedPort;
      
      Gtk::Widget& drawingArea_;
      
      Display* display;
      
      Window window;
      
      GC gc;
      
      XvImage* xvImage;
      
      XShmSegmentInfo shmInfo;
    };
  
  
}}   // namespace stage::output
#endif /*STAGE_OUTPUT_XV_DISPLAYER_H*/