libs/evoral/src/MIDIEvent.cpp

   1 /* This file is part of Evoral.
   2  * Copyright (C) 2008 David Robillard <http://drobilla.net>
   3  * Copyright (C) 2000-2008 Paul Davis
   4  *
   5  * Evoral is free software; you can redistribute it and/or modify it under the
   6  * terms of the GNU General Public License as published by the Free Software
   7  * Foundation; either version 2 of the License, or (at your option) any later
   8  * version.
   9  *
  10  * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
  11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include <string>
  20 #include "evoral/MIDIEvent.hpp"
  21 #ifdef EVORAL_MIDI_XML
  22         #include "pbd/xml++.h"
  23 #endif
  24
  25 using namespace std;
  26
  27 namespace Evoral {
  28
  29 #ifdef EVORAL_MIDI_XML
  30
  31 template<typename Time>
  32 MIDIEvent<Time>::MIDIEvent(const XMLNode& event)
  33   : Event<Time>()
  34 {
  35         string name = event.name();
  36
  37         if (name == "ControlChange") {
  38                 this->_buf = (uint8_t*) ::malloc(3);
  39                 this->_owns_buf = true;
  40                 set_type(MIDI_CMD_CONTROL);
  41
  42                 set_cc_number(atoi(event.property("Control")->value().c_str()));
  43                 set_cc_value (atoi(event.property("Value")->value().c_str()));
  44         } else if (name == "ProgramChange") {
  45                 this->_buf = (uint8_t*) ::malloc(2);
  46                 this->_owns_buf = true;
  47                 set_type(MIDI_CMD_PGM_CHANGE);
  48
  49                 set_pgm_number(atoi(event.property("Number")->value().c_str()));
  50         }
  51 }
  52
  53
  54 template<typename Time>
  55 boost::shared_ptr<XMLNode>
  56 MIDIEvent<Time>::to_xml() const
  57 {
  58         XMLNode *result = 0;
  59
  60         switch (type()) {
  61         case MIDI_CMD_CONTROL:
  62                 result = new XMLNode("ControlChange");
  63                 result->add_property("Channel", long(channel()));
  64                 result->add_property("Control", long(cc_number()));
  65                 result->add_property("Value",   long(cc_value()));
  66                 break;
  67
  68         case MIDI_CMD_PGM_CHANGE:
  69                 result = new XMLNode("ProgramChange");
  70                 result->add_property("Channel", long(channel()));
  71                 result->add_property("Number",  long(pgm_number()));
  72                 break;
  73
  74         case MIDI_CMD_NOTE_ON:
  75                 result = new XMLNode("NoteOn");
  76                 result->add_property("Channel", long(channel()));
  77                 result->add_property("Note",  long(note()));
  78                 result->add_property("Velocity",  long(velocity()));
  79                 break;
  80
  81         case MIDI_CMD_NOTE_OFF:
  82                 result = new XMLNode("NoteOff");
  83                 result->add_property("Channel", long(channel()));
  84                 result->add_property("Note",  long(note()));
  85                 result->add_property("Velocity",  long(velocity()));
  86                 break;
  87
  88         case MIDI_CMD_BENDER:
  89                 result = new XMLNode("PitchBendChange");
  90                 result->add_property("Channel", long(channel()));
  91                 result->add_property("Value",  long(pitch_bender_value()));
  92                 break;
  93
  94         default:
  95                 // The implementation is continued as needed
  96                 result = new XMLNode("NotImplemented");
  97                 break;
  98         }
  99
 100         return boost::shared_ptr<XMLNode>(result);
 101 }
 102
 103 #endif // EVORAL_MIDI_XML
 104
 105 template class MIDIEvent<Evoral::MusicalTime>;
 106
 107 } // namespace Evoral
 108