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Diffstat (limited to 'src/server/PostProcessor.hpp')
-rw-r--r-- | src/server/PostProcessor.hpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/server/PostProcessor.hpp b/src/server/PostProcessor.hpp new file mode 100644 index 00000000..a48c89f8 --- /dev/null +++ b/src/server/PostProcessor.hpp @@ -0,0 +1,68 @@ +/* This file is part of Ingen. + * Copyright 2007-2011 David 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 INGEN_ENGINE_POSTPROCESSOR_HPP +#define INGEN_ENGINE_POSTPROCESSOR_HPP + +#include <pthread.h> +#include "raul/SRSWQueue.hpp" +#include "raul/List.hpp" + +namespace Ingen { +namespace Server { + +class Event; +class Engine; + +/** 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. + * + * Update: This is all run from main_iteration now to solve scripting + * thread issues. Not sure if this is permanent/ideal or not... + * + * \ingroup engine + */ +class PostProcessor +{ +public: + PostProcessor(Engine& engine, size_t queue_size); + ~PostProcessor(); + + /** Push a list of events on to the process queue, realtime-safe, not thread-safe. */ + inline void append(Raul::List<Event*>* l) { _events.append(*l); } + + /** Post-process and delete all pending events */ + void process(); + + /** Set the latest event time that should be post-processed */ + void set_end_time(FrameTime time) { _max_time = time; } + +private: + Engine& _engine; + Raul::AtomicInt _max_time; + Raul::List<Event*> _events; + uint32_t _event_buffer_size; + uint8_t* _event_buffer; +}; + +} // namespace Server +} // namespace Ingen + +#endif // INGEN_ENGINE_POSTPROCESSOR_HPP |