summaryrefslogtreecommitdiffstats
path: root/src/server/PostProcessor.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/server/PostProcessor.cpp')
-rw-r--r--src/server/PostProcessor.cpp92
1 files changed, 92 insertions, 0 deletions
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 <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
+ */
+
+#include <cassert>
+#include <pthread.h>
+#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<Event*>::Node* n = _events.head();
+ while (n) {
+ if (n->elem()->time() > end_time)
+ break;
+ Raul::List<Event*>::Node* next = n->next();
+ n->elem()->post_process();
+ _events.erase(_events.begin());
+ delete n->elem();
+ delete n;
+ n = next;
+ }
+}
+
+} // namespace Server
+} // namespace Ingen