LUMIERA.clone/src/backend/media-access-facade.cpp
2011-05-20 02:17:20 +02:00

59 lines
1.7 KiB
C++

/*
MediaAccessFacade - functions for querying media file and channels.
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.
* *****************************************************/
#include "backend/media-access-facade.hpp"
#include "lib/util.hpp"
using util::isnil;
using lumiera::error::Invalid;
namespace backend {
/** storage for the SingletonFactory
* (actually a lumiera::test::MockInjector) */
Singleton<MediaAccessFacade> MediaAccessFacade::instance;
MediaDesc&
MediaAccessFacade::queryFile (string const& name) const
{
if (isnil (name))
throw Invalid ("empty filename passed to MediaAccessFacade.");
UNIMPLEMENTED ("delegate to backend: query accessability of file");
}
ChanDesc
MediaAccessFacade::queryChannel (MediaDesc& mHandle, uint chanNo) const
{
UNIMPLEMENTED ("delegate to backend: query channel information");
ChanDesc nix;
return nix;
}
} // namespace backend