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-rw-r--r--src/server/PostProcessor.cpp114
1 files changed, 0 insertions, 114 deletions
diff --git a/src/server/PostProcessor.cpp b/src/server/PostProcessor.cpp
deleted file mode 100644
index b275c36a..00000000
--- a/src/server/PostProcessor.cpp
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- This file is part of Ingen.
- Copyright 2007-2016 David Robillard <http://drobilla.net/>
-
- Ingen is free software: you can redistribute it and/or modify it under the
- terms of the GNU Affero General Public License as published by the Free
- Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
-
- You should have received a copy of the GNU Affero General Public License
- along with Ingen. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <cassert>
-
-#include "Engine.hpp"
-#include "Event.hpp"
-#include "PostProcessor.hpp"
-#include "RunContext.hpp"
-
-namespace Ingen {
-namespace Server {
-
-class Sentinel : public Event {
-public:
- Sentinel(Engine& engine) : Event(engine) {}
-
- bool pre_process(PreProcessContext& ctx) { return false; }
- void execute(RunContext& context) {}
- void post_process() {}
-};
-
-PostProcessor::PostProcessor(Engine& engine)
- : _engine(engine)
- , _head(new Sentinel(engine))
- , _tail(_head.load())
- , _max_time(0)
-{
-}
-
-PostProcessor::~PostProcessor()
-{
- /* Delete any straggler events (usually at least one since the event list
- is never completely emptied by process()). */
- Event* e = _head;
- while (e) {
- Event* const next = e->next();
- delete e;
- e = next;
- }
-}
-
-void
-PostProcessor::append(RunContext& context, Event* first, Event* last)
-{
- assert(first);
- assert(last);
- assert(!last->next());
-
- // The only place where _tail is written or next links are changed
- _tail.load()->next(first);
- _tail.store(last);
-}
-
-bool
-PostProcessor::pending() const
-{
- return _head.load()->next() || _engine.pending_notifications();
-}
-
-void
-PostProcessor::process()
-{
- const FrameTime end_time = _max_time;
-
- /* We can never empty the list and set _head = _tail = NULL since this
- would cause a race with append. Instead, head is an already
- post-processed node, or initially a sentinel. */
- Event* ev = _head.load();
- Event* next = ev->next();
- if (!next || next->time() >= end_time) {
- // Process audio thread notifications until end
- _engine.emit_notifications(end_time);
- return;
- }
-
- do {
- // Delete previously post-processed ev and move to next
- delete ev;
- ev = next;
-
- // Process audio thread notifications up until this event's time
- _engine.emit_notifications(ev->time());
-
- // Post-process event
- ev->post_process();
- next = ev->next(); // [1] (see below)
- } while (next && next->time() < end_time);
-
- /* Reached the tail (as far as we're concerned). There may be successors
- by now if append() has been called since [1], but that's fine. Now, ev
- points to the last post-processed event, which will be the new head. */
- assert(ev);
- _head = ev;
-
- // Process remaining audio thread notifications until end
- _engine.emit_notifications(end_time);
-}
-
-} // namespace Server
-} // namespace Ingen