From a077166ec6c31ad4aaab738b9dffc139bf3a4d50 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 14 Nov 2015 18:47:19 -0500
Subject: Replace Delay internal with simpler BlockDelay

---
 src/server/internals/BlockDelay.cpp | 89 +++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/server/internals/BlockDelay.cpp

(limited to 'src/server/internals/BlockDelay.cpp')

diff --git a/src/server/internals/BlockDelay.cpp b/src/server/internals/BlockDelay.cpp
new file mode 100644
index 00000000..39bd09b9
--- /dev/null
+++ b/src/server/internals/BlockDelay.cpp
@@ -0,0 +1,89 @@
+/*
+  This file is part of Ingen.
+  Copyright 2007-2015 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 <limits.h>
+
+#include <cmath>
+
+#include "ingen/URIs.hpp"
+#include "raul/Array.hpp"
+#include "raul/Maid.hpp"
+
+#include "Buffer.hpp"
+#include "InputPort.hpp"
+#include "InternalPlugin.hpp"
+#include "OutputPort.hpp"
+#include "ProcessContext.hpp"
+#include "internals/BlockDelay.hpp"
+
+namespace Ingen {
+namespace Server {
+namespace Internals {
+
+InternalPlugin* BlockDelayNode::internal_plugin(URIs& uris) {
+	return new InternalPlugin(
+		uris, Raul::URI(NS_INTERNALS "BlockDelay"), Raul::Symbol("blockDelay"));
+}
+
+BlockDelayNode::BlockDelayNode(InternalPlugin*     plugin,
+                               BufferFactory&      bufs,
+                               const Raul::Symbol& symbol,
+                               bool                polyphonic,
+                               GraphImpl*          parent,
+                               SampleRate          srate)
+	: InternalBlock(plugin, symbol, polyphonic, parent, srate)
+{
+	const Ingen::URIs& uris = bufs.uris();
+	_ports = new Raul::Array<PortImpl*>(2);
+
+	_in_port = new InputPort(bufs, this, Raul::Symbol("in"), 0, 1,
+	                         PortType::AUDIO, 0, bufs.forge().make(0.0f));
+	_in_port->set_property(uris.lv2_name, bufs.forge().alloc("In"));
+	_ports->at(0) = _in_port;
+
+	_out_port = new OutputPort(bufs, this, Raul::Symbol("out"), 0, 1,
+	                           PortType::AUDIO, 0, bufs.forge().make(0.0f));
+	_out_port->set_property(uris.lv2_name, bufs.forge().alloc("Out"));
+	_ports->at(1) = _out_port;
+}
+
+BlockDelayNode::~BlockDelayNode()
+{
+	_buffer.reset();
+}
+
+void
+BlockDelayNode::activate(BufferFactory& bufs)
+{
+	_buffer = bufs.get_buffer(
+		bufs.uris().atom_Sound, 0, bufs.audio_buffer_size(), false, true);
+
+	BlockImpl::activate(bufs);
+}
+
+void
+BlockDelayNode::run(ProcessContext& context)
+{
+	// Copy buffer from last cycle to output
+	_out_port->buffer(0)->copy(context, _buffer.get());
+
+	// Copy input from this cycle to buffer
+	_buffer->copy(context, _in_port->buffer(0).get());
+}
+
+} // namespace Internals
+} // namespace Server
+} // namespace Ingen
-- 
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