/usr/include/CLAM/ControlPiano.hxx is in libclam-dev 1.4.0-5.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
*
* This program 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.
*
* This program 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 more 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 _ControlPiano_
#define _ControlPiano_
#include "Processing.hxx"
#include "InControl.hxx"
#include "OutControl.hxx"
#include "MIDIMessage.hxx"
namespace CLAM
{
class ControlPiano : public Processing
{
public:
const char *GetClassName() const { return "ControlPiano"; }
protected:
/** Controls **/
InControl< MIDI::Message > mInputMIDIMessage;
OutControl< MIDI::Message > mOutputMIDIMessage;
public:
ControlPiano(const Config & config=Config())
:
mInputMIDIMessage("MIDI Message In", this, &ControlPiano::DoCallback),
mOutputMIDIMessage("MIDI Message Out", this)
{
Configure( config );
_notes.resize(12); // one octave
for(unsigned int i=0;i<_notes.size();i++) { _notes[i]=false; }
_velocity = 90; // fixed velocity. TODO: add it as a processing configuration parameter.
_octave = 4; // fixed octave (C4). TODO: add it as a processing configuration parameter.
}
~ControlPiano()
{
}
bool Do() { return true; }
void DoCallback(const MIDI::Message & inMessage)
{
MIDI::Message message = inMessage;
mOutputMIDIMessage.SendControl(message); //delivers the same input message to the output
MIDI::Message voidMessage;
if (message==voidMessage) return;
if (message[1]>=21 && message[1]<=108)
{
if (message[0]==144) //note on
{
_notes[(message[1]-21)%12]=true;
}
else if (message[0]==128) //note off
{
_notes[(message[1]-21)%12]=false;
}
}
};
void SendMIDIMessage(MIDI::Message &msg)
{
mOutputMIDIMessage.SendControl(msg);
}
void SetNoteStatus(TSize i, bool state)
{
_notes[i] = state;
}
bool GetNoteStatus(TSize i)
{
return _notes[i];
}
TSize GetVelocity()
{
return _velocity;
}
TSize GetOctave()
{
return _octave;
}
protected:
std::vector<bool> _notes; ///< Enabled/Disabled. Size: 12. One octave, from A to G#
TSize _velocity;
TSize _octave;
};
}
#endif
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