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livetrax/libs/evoral/src/MIDIEvent.cpp

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/* This file is part of Evoral.
* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
* Copyright (C) 2000-2008 Paul Davis
*
* Evoral 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.
*
* Evoral 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string>
#include "evoral/MIDIEvent.hpp"
#ifdef EVORAL_MIDI_XML
#include "pbd/xml++.h"
#endif
using namespace std;
namespace Evoral {
#ifdef EVORAL_MIDI_XML
template<typename Time>
MIDIEvent<Time>::MIDIEvent(const XMLNode& event)
: Event<Time>()
{
string name = event.name();
if (name == "ControlChange") {
this->_buf = (uint8_t*) ::malloc(3);
this->_owns_buf = true;
set_type(MIDI_CMD_CONTROL);
set_cc_number(atoi(event.property("Control")->value().c_str()));
set_cc_value (atoi(event.property("Value")->value().c_str()));
} else if (name == "ProgramChange") {
this->_buf = (uint8_t*) ::malloc(2);
this->_owns_buf = true;
set_type(MIDI_CMD_PGM_CHANGE);
set_pgm_number(atoi(event.property("Number")->value().c_str()));
}
}
template<typename Time>
boost::shared_ptr<XMLNode>
MIDIEvent<Time>::to_xml() const
{
XMLNode *result = 0;
switch (type()) {
case MIDI_CMD_CONTROL:
result = new XMLNode("ControlChange");
result->add_property("Channel", channel());
result->add_property("Control", cc_number());
result->add_property("Value", cc_value());
break;
case MIDI_CMD_PGM_CHANGE:
result = new XMLNode("ProgramChange");
result->add_property("Channel", channel());
result->add_property("Number", pgm_number());
break;
default:
// The implementation is continued as needed
break;
}
return boost::shared_ptr<XMLNode>(result);
}
#endif // EVORAL_MIDI_XML
template class MIDIEvent<Evoral::MusicalTime>;
} // namespace Evoral