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livetrax/libs/evoral/evoral/MIDIXML.h

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C++

/*
* Copyright (C) 2016 David Robillard <d@drobilla.net>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef EVORAL_MIDI_XML_HPP
#define EVORAL_MIDI_XML_HPP
#include "evoral/Event.h"
#include "pbd/xml++.h"
namespace Evoral {
namespace MIDIXML {
template<typename Time>
bool
xml_to_midi(const XMLNode& node, Evoral::Event<Time>& ev)
{
if (node.name() == "ControlChange") {
ev.set_type(MIDI_CMD_CONTROL);
ev.set_cc_number(atoi(node.property("Control")->value().c_str()));
ev.set_cc_value(atoi(node.property("Value")->value().c_str()));
return true;
} else if (node.name() == "ProgramChange") {
ev.set_type(MIDI_CMD_PGM_CHANGE);
ev.set_pgm_number(atoi(node.property("Number")->value().c_str()));
return true;
}
return false;
}
template<typename Time>
boost::shared_ptr<XMLNode>
midi_to_xml(const Evoral::Event<Time>& ev)
{
XMLNode* result = 0;
switch (ev.type()) {
case MIDI_CMD_CONTROL:
result = new XMLNode("ControlChange");
result->add_property("Channel", long(ev.channel()));
result->add_property("Control", long(ev.cc_number()));
result->add_property("Value", long(ev.cc_value()));
break;
case MIDI_CMD_PGM_CHANGE:
result = new XMLNode("ProgramChange");
result->add_property("Channel", long(ev.channel()));
result->add_property("Number", long(ev.pgm_number()));
break;
case MIDI_CMD_NOTE_ON:
result = new XMLNode("NoteOn");
result->add_property("Channel", long(ev.channel()));
result->add_property("Note", long(ev.note()));
result->add_property("Velocity", long(ev.velocity()));
break;
case MIDI_CMD_NOTE_OFF:
result = new XMLNode("NoteOff");
result->add_property("Channel", long(ev.channel()));
result->add_property("Note", long(ev.note()));
result->add_property("Velocity", long(ev.velocity()));
break;
case MIDI_CMD_BENDER:
result = new XMLNode("PitchBendChange");
result->add_property("Channel", long(ev.channel()));
result->add_property("Value", long(ev.pitch_bender_value()));
break;
default:
return boost::shared_ptr<XMLNode>();
}
return boost::shared_ptr<XMLNode>(result);
}
} // namespace MIDIXML
} // namespace Evoral
#endif // EVORAL_MIDI_XML_HPP