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Diffstat (limited to 'libs/evoral/evoral/MIDIXML.h')
-rw-r--r-- | libs/evoral/evoral/MIDIXML.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libs/evoral/evoral/MIDIXML.h b/libs/evoral/evoral/MIDIXML.h new file mode 100644 index 0000000000..1cd6655ba3 --- /dev/null +++ b/libs/evoral/evoral/MIDIXML.h @@ -0,0 +1,96 @@ +/* + * 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 |