libgavl.hpp

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/*
  LILBGAVL.hpp  -  facade for integrating the GAVL media handling library
 
   Copyright (C)
     2008,            Hermann Vosseler <Ichthyostega@web.de>
 
 **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 STEAM_EXTERNAL_LIBGAVL_H
#define STEAM_EXTERNAL_LIBGAVL_H
 
 
#include "steam/control/media-impl-lib.hpp"
 
 
 
namespace steam {
namespace external {
  
  
  using lib::Symbol;
  
  using ImplFacade = StreamType::ImplFacade;
  using    TypeTag = StreamType::ImplFacade::TypeTag;
  
  
  class LibGavl;
  
  class ImplFacadeGAVL
    : public ImplFacade
    {
    protected:
      ImplFacadeGAVL()
        : ImplFacade("GAVL")
        { }
      
      friend class LibGavl;
      
    public:
      virtual bool operator== (ImplFacade const& other)  const;
      virtual bool operator== (StreamType const& other)  const;
      
      virtual bool canConvert (ImplFacade const& other)  const;
      virtual bool canConvert (StreamType const& other)  const;
      
      virtual StreamType::MediaKind getKind()  const;
      virtual DataBuffer* createFrame ()  const;
    };
  
  
  class LibGavl
    : public control::MediaImplLib
    {
    protected:
      
    public:
      virtual Symbol getLibID()  const  { return "GAVL"; }
      
      virtual ImplFacadeGAVL const&  getImplFacade (TypeTag&);
    };
  
  
  
}} // namespace steam::external
#endif