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-rw-r--r--src/server/internals/BlockDelay.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/server/internals/BlockDelay.cpp b/src/server/internals/BlockDelay.cpp
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+/*
+ 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 <climits>
+
+#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 "RunContext.hpp"
+#include "internals/BlockDelay.hpp"
+
+namespace ingen {
+namespace server {
+namespace internals {
+
+InternalPlugin* BlockDelayNode::internal_plugin(URIs& uris) {
+ return new InternalPlugin(
+ uris, 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 = bufs.maid().make_managed<Ports>(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.create(
+ bufs.uris().atom_Sound, 0, bufs.audio_buffer_size());
+
+ BlockImpl::activate(bufs);
+}
+
+void
+BlockDelayNode::run(RunContext& 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