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author | David Robillard <d@drobilla.net> | 2007-07-24 19:26:47 +0000 |
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committer | David Robillard <d@drobilla.net> | 2007-07-24 19:26:47 +0000 |
commit | bb1c49dfa484db080938cff6f8f70167c9026a1c (patch) | |
tree | 6f6382fcbfddfead6d5c32d19977aed8020d32e4 /src/libs/engine/QueuedEvent.h | |
parent | f0f64e4425acfb8b8633a47faa70f87fc32a4399 (diff) | |
download | ingen-bb1c49dfa484db080938cff6f8f70167c9026a1c.tar.gz ingen-bb1c49dfa484db080938cff6f8f70167c9026a1c.tar.bz2 ingen-bb1c49dfa484db080938cff6f8f70167c9026a1c.zip |
Consistently rename all C++ files .cpp/.hpp.
Fix (some) inclusion guard names to not clash with other libs.
git-svn-id: http://svn.drobilla.net/lad/ingen@613 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/QueuedEvent.h')
-rw-r--r-- | src/libs/engine/QueuedEvent.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/src/libs/engine/QueuedEvent.h b/src/libs/engine/QueuedEvent.h deleted file mode 100644 index f1b82735..00000000 --- a/src/libs/engine/QueuedEvent.h +++ /dev/null @@ -1,99 +0,0 @@ -/* 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 QUEUEDEVENT_H -#define QUEUEDEVENT_H - -#include "Event.h" - -namespace Ingen { - -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(ThreadManager::current_thread_id() == THREAD_PRE_PROCESS); - assert(_pre_processed == false); - _pre_processed = true; - } - - virtual void execute(SampleCount nframes, FrameTime start, FrameTime end) { - assert(_pre_processed); - assert(_time <= end); - - // Didn't prepare in time. QueuedEvents aren't (necessarily) sample accurate - // so just run at the beginning of this cycle - if (_time <= start) - _time = start; - - Event::execute(nframes, start, end); - } - - virtual void post_process() {} - - /** If this event blocks the prepare phase of other slow events */ - bool is_blocking() { return _blocking; } - - bool is_prepared() { return _pre_processed; } - -protected: - QueuedEvent(Engine& engine, - SharedPtr<Shared::Responder> responder, - FrameTime time, - bool blocking = false, - QueuedEventSource* source = NULL) - : Event(engine, responder, time) - , _pre_processed(false), _blocking(blocking), _source(source) - { - if (blocking) - assert(_source); - } - - // NULL event base (for internal events only!) - QueuedEvent(Engine& engine) - : Event(engine, SharedPtr<Shared::Responder>(), 0) - , _pre_processed(false), _blocking(false), _source(NULL) - {} - - bool _pre_processed; - bool _blocking; - QueuedEventSource* _source; -}; - - -} // namespace Ingen - -#endif // QUEUEDEVENT_H |