summaryrefslogtreecommitdiffstats
path: root/src/server/internals/Delay.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/server/internals/Delay.hpp')
-rw-r--r--src/server/internals/Delay.hpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/server/internals/Delay.hpp b/src/server/internals/Delay.hpp
new file mode 100644
index 00000000..7456d7cc
--- /dev/null
+++ b/src/server/internals/Delay.hpp
@@ -0,0 +1,78 @@
+/* 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
+ */
+
+#ifndef INGEN_INTERNALS_DELAY_HPP
+#define INGEN_INTERNALS_DELAY_HPP
+
+#include <string>
+#include <math.h>
+#include "types.hpp"
+#include "NodeImpl.hpp"
+
+namespace Ingen {
+namespace Server {
+
+class InputPort;
+class OutputPort;
+class InternalPlugin;
+class BufferFactory;
+
+namespace Internals {
+
+class DelayNode : public NodeImpl
+{
+public:
+ DelayNode(
+ InternalPlugin* plugin,
+ BufferFactory& bufs,
+ const std::string& path,
+ bool polyphonic,
+ PatchImpl* parent,
+ SampleRate srate);
+
+ ~DelayNode();
+
+ void activate(BufferFactory& bufs);
+
+ void process(ProcessContext& context);
+
+ static InternalPlugin* internal_plugin(Shared::LV2URIMap& uris);
+
+ float delay_samples() const { return _delay_samples; }
+
+private:
+ inline float& buffer_at(long phase) const { return _buffer[phase & _buffer_mask]; }
+
+ InputPort* _delay_port;
+ InputPort* _in_port;
+ OutputPort* _out_port;
+
+ typedef long Phase;
+
+ float* _buffer;
+ uint32_t _buffer_length;
+ uint32_t _buffer_mask;
+ Phase _write_phase;
+ float _last_delay_time;
+ float _delay_samples;
+};
+
+} // namespace Server
+} // namespace Ingen
+} // namespace Internals
+
+#endif // INGEN_INTERNALS_DELAY_HPP