More juggling

git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 133 insertions, 0 deletions

diff --git a/src/libs/engine/PortBase.cpp b/src/libs/engine/PortBase.cpp
new file mode 100644
index 00000000..3d8dbc67
--- /dev/null
+++ b/src/libs/engine/PortBase.cpp
@@ -0,0 +1,133 @@
+/* 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
+