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Diffstat (limited to 'src/libs/engine/PostProcessor.hpp')
-rw-r--r-- | src/libs/engine/PostProcessor.hpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/libs/engine/PostProcessor.hpp b/src/libs/engine/PostProcessor.hpp new file mode 100644 index 00000000..b77bda6e --- /dev/null +++ b/src/libs/engine/PostProcessor.hpp @@ -0,0 +1,58 @@ +/* This file is part of Ingen. + * Copyright (C) 2007 Dave Robillard <http://drobilla.net> + * + * Ingen 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. + * + * Ingen 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 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., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef POSTPROCESSOR_H +#define POSTPROCESSOR_H + +#include <pthread.h> +#include "types.hpp" +#include <raul/SRSWQueue.hpp> +#include <raul/Slave.hpp> + +namespace Raul { class Maid; } + +namespace Ingen { + +class Event; + + +/** Processor for Events after leaving the audio thread. + * + * The audio thread pushes events to this when it is done with them (which + * is realtime-safe), which signals the processing thread through a semaphore + * to handle the event and pass it on to the Maid. + * + * \ingroup engine + */ +class PostProcessor : public Raul::Slave +{ +public: + PostProcessor(Raul::Maid& maid, size_t queue_size); + + /** Push an event on to the process queue, realtime-safe, not thread-safe. */ + inline void push(Event* const ev) { _events.push(ev); } + +private: + Raul::Maid& _maid; + Raul::SRSWQueue<Event*> _events; + virtual void _whipped(); +}; + + +} // namespace Ingen + +#endif // POSTPROCESSOR_H |