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author | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
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committer | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
commit | 98fe0e7056e6697396249531785d3899f94d79be (patch) | |
tree | 233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/engine/QueuedEvent.h | |
parent | 6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff) | |
download | ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.gz ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.bz2 ingen-98fe0e7056e6697396249531785d3899f94d79be.zip |
More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/QueuedEvent.h')
-rw-r--r-- | src/engine/QueuedEvent.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/src/engine/QueuedEvent.h b/src/engine/QueuedEvent.h deleted file mode 100644 index 16560aaa..00000000 --- a/src/engine/QueuedEvent.h +++ /dev/null @@ -1,86 +0,0 @@ -/* This file is part of Om. Copyright (C) 2006 Dave Robillard. - * - * Om 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. - * - * Om 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., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef QUEUEDEVENT_H -#define QUEUEDEVENT_H - -#include "Event.h" - -namespace Om { - -class Responder; -class QueuedEventSource; - - -/** An Event with a not-time-critical preprocessing stage. - * - * These events are events that aren't able to be executed immediately by the - * Jack thread (because they allocate memory or whatever). They are pushed - * on to the QueuedEventQueue where they are preprocessed then pushed on - * to the realtime Event Queue when they are ready. - * - * Lookups for these events should go in the pre_process() method, since they are - * not time critical and shouldn't waste time in the audio thread doing - * lookups they can do beforehand. (This applies for any expensive operation that - * could be done before the execute() method). - * - * \ingroup engine - */ -class QueuedEvent : public Event -{ -public: - /** Process this event into a realtime-suitable event. - */ - virtual void pre_process() { - assert(m_pre_processed == false); - m_pre_processed = true; - } - - virtual void execute(samplecount offset) { - assert(m_pre_processed); - Event::execute(offset); - } - - virtual void post_process() {} - - /** If this event blocks the prepare phase of other slow events */ - bool is_blocking() { return m_blocking; } - - bool is_prepared() { return m_pre_processed; } - -protected: - // Prevent copies - QueuedEvent(const QueuedEvent& copy); - QueuedEvent& operator=(const QueuedEvent&); - - QueuedEvent(CountedPtr<Responder> responder, bool blocking = false, QueuedEventSource* source=NULL) - : Event(responder), m_pre_processed(false), m_blocking(blocking), m_source(source) - {} - - // NULL event base (for internal events) - QueuedEvent() - : Event(), m_pre_processed(false), m_blocking(false), m_source(NULL) - {} - - bool m_pre_processed; - bool m_blocking; - QueuedEventSource* m_source; -}; - - -} // namespace Om - -#endif // QUEUEDEVENT_H |