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authorDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
committerDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
commit98fe0e7056e6697396249531785d3899f94d79be (patch)
tree233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/libs/engine/PortBase.cpp
parent6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff)
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More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/PortBase.cpp')
-rw-r--r--src/libs/engine/PortBase.cpp133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/libs/engine/PortBase.cpp b/src/libs/engine/PortBase.cpp
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "PortBase.h"
+#include <cmath>
+#include <cstdlib>
+#include <iostream>
+#include <cassert>
+#include <sys/mman.h>
+#include "util.h"
+#include "Node.h"
+#include "PortInfo.h"
+#include "MidiMessage.h"
+
+namespace Om {
+
+
+/** Constructor for a Port.
+ */
+template <typename T>
+PortBase<T>::PortBase(Node* node, const string& name, size_t index, size_t poly, PortInfo* port_info, size_t buffer_size)
+: Port(node, name, index, poly, port_info),
+ m_buffer_size(buffer_size),
+ m_fixed_buffers(false),
+ m_is_tied(false),
+ m_tied_port(NULL)
+{
+ allocate_buffers();
+ clear_buffers();
+
+ assert(m_buffers.size() > 0);
+}
+template
+PortBase<sample>::PortBase(Node* node, const string& name, size_t index, size_t poly, PortInfo* port_info, size_t buffer_size);
+template
+PortBase<MidiMessage>::PortBase(Node* node, const string& name, size_t index, size_t poly, PortInfo* port_info, size_t buffer_size);
+
+
+template <typename T>
+PortBase<T>::~PortBase()
+{
+ for (size_t i=0; i < m_poly; ++i)
+ delete m_buffers.at(i);
+
+ delete m_port_info;
+}
+template PortBase<sample>::~PortBase();
+template PortBase<MidiMessage>::~PortBase();
+
+
+/** Set the port's value for all voices.
+ */
+template<>
+void
+PortBase<sample>::set_value(sample val, size_t offset)
+{
+ if (m_port_info->is_control())
+ offset = 0;
+ assert(offset < m_buffer_size);
+
+ for (size_t v=0; v < m_poly; ++v)
+ m_buffers.at(v)->set(val, offset);
+}
+
+/** Set the port's value for a specific voice.
+ */
+template<>
+void
+PortBase<sample>::set_value(size_t voice, sample val, size_t offset)
+{
+ if (m_port_info->is_control())
+ offset = 0;
+ assert(offset < m_buffer_size);
+
+ m_buffers.at(voice)->set(val, offset);
+}
+
+
+template <typename T>
+void
+PortBase<T>::allocate_buffers()
+{
+ m_buffers.alloc(m_poly);
+
+ for (size_t i=0; i < m_poly; ++i)
+ m_buffers.at(i) = new Buffer<T>(m_buffer_size);
+}
+template void PortBase<sample>::allocate_buffers();
+template void PortBase<MidiMessage>::allocate_buffers();
+
+
+template<>
+void
+PortBase<sample>::prepare_buffers(size_t nframes)
+{
+ for (size_t i=0; i < m_poly; ++i)
+ m_buffers.at(i)->prepare(nframes);
+}
+
+
+template<>
+void
+PortBase<MidiMessage>::prepare_buffers(size_t nframes)
+{
+}
+
+
+template<typename T>
+void
+PortBase<T>::clear_buffers()
+{
+ for (size_t i=0; i < m_poly; ++i)
+ m_buffers.at(i)->clear();
+}
+template void PortBase<sample>::clear_buffers();
+template void PortBase<MidiMessage>::clear_buffers();
+
+
+} // namespace Om
+