LUMIERA.clone/src/proc/asset/unknown.hpp

59 lines
1.6 KiB
C++

/*
UNKNOWN.hpp - placeholder for unknown or unavailable media source
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
This program 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 program 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 program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef ASSET_UNKNOWN_H
#define ASSET_UNKNOWN_H
#include "proc/asset/media.hpp"
namespace asset {
const lumiera::Time DUMMY_TIME (25); ///< @todo solve config management
/**
* Placeholder Asset for unknown or unavailable media source.
* @todo maybe do special handling of the media length, allowing
* it to support existing clips even if the media length
* is not known?
*/
class Unknown : public Media
{
protected:
Unknown (const Asset::Ident& idi, string name="", Time length=DUMMY_TIME);
friend class MediaFactory;
public:
virtual Media::PMedia getOrg() throw(lumiera::error::Invalid);
};
LUMIERA_ERROR_DECLARE (ORIG_NOT_FOUND);
} // namespace asset
#endif