From 138a87e915ad3aff184730415105f94c874174bf Mon Sep 17 00:00:00 2001 From: David Robillard Date: Wed, 20 Apr 2011 16:26:40 +0000 Subject: Rename Ingen::Engine to Ingen::Server (hopefully avoid odd name clases and fix #675). git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3184 a436a847-0d15-0410-975c-d299462d15a1 --- src/server/PostProcessor.cpp | 92 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 src/server/PostProcessor.cpp (limited to 'src/server/PostProcessor.cpp') diff --git a/src/server/PostProcessor.cpp b/src/server/PostProcessor.cpp new file mode 100644 index 00000000..25252a16 --- /dev/null +++ b/src/server/PostProcessor.cpp @@ -0,0 +1,92 @@ +/* This file is part of Ingen. + * Copyright 2007-2011 David Robillard + * + * 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 + */ + +#include +#include +#include "raul/log.hpp" +#include "raul/SRSWQueue.hpp" +#include "events/SendPortValue.hpp" +#include "Event.hpp" +#include "PostProcessor.hpp" +#include "Engine.hpp" +#include "Driver.hpp" +#include "ProcessContext.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { +namespace Server { + +PostProcessor::PostProcessor(Engine& engine, size_t queue_size) + : _engine(engine) + , _max_time(0) + , _events(queue_size) + , _event_buffer_size(sizeof(Events::SendPortValue)) // FIXME: make generic + , _event_buffer((uint8_t*)malloc(_event_buffer_size)) +{ +} + +PostProcessor::~PostProcessor() +{ + free(_event_buffer); +} + +void +PostProcessor::process() +{ + const FrameTime end_time = _max_time.get(); + + /* FIXME: The order here is a bit tricky: if the normal events are + * processed first, then a deleted port may still have a pending + * broadcast event which will segfault if executed afterwards. + * If it's the other way around, broadcasts will be sent for + * ports the client doesn't even know about yet... */ + + /* FIXME: process events from all threads if parallel */ + + /* Process audio thread generated events */ + while (true) { + Driver* driver = _engine.driver(); + if (driver && driver->context().event_sink().read(_event_buffer_size, _event_buffer)) { + if (((Event*)_event_buffer)->time() > end_time) { + warn << "Lost event with time " + << ((Event*)_event_buffer)->time() << " > " << end_time << endl; + break; + } + ((Event*)_event_buffer)->post_process(); + } else { + break; + } + } + + /* Process normal events */ + Raul::List::Node* n = _events.head(); + while (n) { + if (n->elem()->time() > end_time) + break; + Raul::List::Node* next = n->next(); + n->elem()->post_process(); + _events.erase(_events.begin()); + delete n->elem(); + delete n; + n = next; + } +} + +} // namespace Server +} // namespace Ingen -- cgit v1.2.1