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Diffstat (limited to 'src/engine/EventSource.hpp')
-rw-r--r-- | src/engine/EventSource.hpp | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/src/engine/EventSource.hpp b/src/engine/EventSource.hpp deleted file mode 100644 index 52bb08f6..00000000 --- a/src/engine/EventSource.hpp +++ /dev/null @@ -1,73 +0,0 @@ -/* 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_EVENTSOURCE_HPP -#define INGEN_ENGINE_EVENTSOURCE_HPP - -#include "raul/Semaphore.hpp" -#include "raul/Slave.hpp" -#include "raul/List.hpp" - -namespace Ingen { -namespace Engine { - -class Event; -class QueuedEvent; -class PostProcessor; -class ProcessContext; - -/** Source for events to run in the audio thread. - * - * The Driver gets events from an EventSource in the process callback - * (realtime audio thread) and executes them, then they are sent to the - * PostProcessor and finalised (post-processing thread). - */ -class EventSource : protected Raul::Slave -{ -public: - explicit EventSource(size_t queue_size); - virtual ~EventSource(); - - void process(PostProcessor& dest, ProcessContext& context, bool limit=true); - - bool empty() { return _events.empty(); } - - /** Signal that a blocking event is finished. - * - * This MUST be called by blocking events in their post_process() method - * to resume pre-processing of events. - */ - inline void unblock() { _blocking_semaphore.post(); } - -protected: - void push_queued(QueuedEvent* const ev); - - inline bool unprepared_events() { return (_prepared_back.get() != NULL); } - - virtual void _whipped(); ///< Prepare 1 event - -private: - Raul::List<Event*> _events; - Raul::AtomicPtr<Raul::List<Event*>::Node> _prepared_back; - Raul::Semaphore _blocking_semaphore; -}; - -} // namespace Engine -} // namespace Ingen - -#endif // INGEN_ENGINE_EVENTSOURCE_HPP - |