64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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SOURCE.hpp - Representation of a Media source
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Copyright (C) Lumiera.org
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2008, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/** @file source.hpp
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** Processing node to read media data.
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** The render engine node network is activated by _"pulling"_ from the _exit nodes._
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** Recursively, any rendering calculations will eventually hit a engine::Source node,
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** to retrieve existing (raw) media data
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** @todo this file is there since the very first code generation steps at start
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** of the Lumiera project. It is not yet clear if those source reading nodes
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** will indeed be ProcNode subclasses, or rather specifically configured
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** processing nodes...
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*/
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#ifndef ENGINE_SOURCE_H
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#define ENGINE_SOURCE_H
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#include "proc/engine/procnode.hpp"
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namespace proc {
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namespace engine
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{
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/**
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* Source Node: represents a media source to pull data from.
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* Source is special, because it has no predecessor nodes,
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* but rather makes calls down to the data backend internally
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* to get at the raw data.
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*/
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class Source : public ProcNode
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{
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Source (WiringDescriptor const& wd)
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: ProcNode(wd)
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{ }
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};
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}} // namespace proc::engine
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#endif
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