ladish/grauph/src/libs/engine/PortBase.cpp

134 lines
3.1 KiB
C++

/* 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