ladish/grauph/src/libs/engine/MidiControlNode.h

73 lines
2.1 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
*/
#ifndef MIDICONTROLNODE_H
#define MIDICONTROLNODE_H
#include <string>
#include "NodeBase.h"
#include "InternalNode.h"
using std::string;
namespace Om {
class MidiLearnResponseEvent;
class MidiMessage;
template <typename T> class InputPort;
template <typename T> class OutputPort;
/** MIDI control input node.
*
* Creating one of these nodes is how a user makes "MIDI Bindings". Note that
* this node will always be monophonic, the poly parameter is ignored.
*
* \ingroup engine
*/
class MidiControlNode : public InternalNode
{
public:
MidiControlNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size);
void run(size_t nframes);
void control(uchar control_num, uchar val, samplecount offset);
void learn(MidiLearnResponseEvent* ev) { m_learning = true; m_learn_event = ev; }
private:
// Disallow copies (undefined)
MidiControlNode(const MidiControlNode& copy);
MidiControlNode& operator=(const MidiControlNode&);
bool m_learning;
InputPort<MidiMessage>* m_midi_in_port;
InputPort<sample>* m_param_port;
InputPort<sample>* m_log_port;
InputPort<sample>* m_min_port;
InputPort<sample>* m_max_port;
OutputPort<sample>* m_control_port;
OutputPort<sample>* m_audio_port;
MidiLearnResponseEvent* m_learn_event;
};
} // namespace Om
#endif // MIDICONTROLNODE_H