xvdisplayer.hpp

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/*
  XVDISPLAYER.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_XVDISPLAYER_H
#define STAGE_OUTPUT_XVDISPLAYER_H


#include "stage/output/displayer.hpp"
#include "stage/gtk-base.hpp"

#include <X11/Xlib.h>
#include <sys/ipc.h>
#include <sys/shm.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, int width, int height);
      
     ~XvDisplayer();
      
      
      void put (void* const image);
      
      bool usable();
      
    private:
      
      bool gotPort;
      
      uint grabbedPort;
      
      Gtk::Widget* drawingArea;
      
      Display* display;
      
      Window window;
      
      GC gc;
      
      XvImage* xvImage;
      
      XShmSegmentInfo shmInfo;
    };
  
  
}}   // namespace stage::output
#endif // XVDISPLAYER_HPP