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/Beats.hpp"
  21 #include "evoral/MIDIEvent.hpp"
  22 #ifdef EVORAL_MIDI_XML
  23         #include "pbd/xml++.h"
  24 #endif
  25
  26 using namespace std;
  27
  28 namespace Evoral {
  29
  30 #ifdef EVORAL_MIDI_XML
  31
  32 template<typename Time>
  33 MIDIEvent<Time>::MIDIEvent(const XMLNode& event)
  34   : Event<Time>()
  35 {
  36         string name = event.name();
  37
  38         if (name == "ControlChange") {
  39                 this->_buf = (uint8_t*) ::malloc(3);
  40                 this->_owns_buf = true;
  41                 set_type(MIDI_CMD_CONTROL);
  42
  43                 set_cc_number(atoi(event.property("Control")->value().c_str()));
  44                 set_cc_value (atoi(event.property("Value")->value().c_str()));
  45         } else if (name == "ProgramChange") {
  46                 this->_buf = (uint8_t*) ::malloc(2);
  47                 this->_owns_buf = true;
  48                 set_type(MIDI_CMD_PGM_CHANGE);
  49
  50                 set_pgm_number(atoi(event.property("Number")->value().c_str()));
  51         }
  52 }
  53
  54
  55 template<typename Time>
  56 boost::shared_ptr<XMLNode>
  57 MIDIEvent<Time>::to_xml() const
  58 {
  59         XMLNode *result = 0;
  60
  61         switch (type()) {
  62         case MIDI_CMD_CONTROL:
  63                 result = new XMLNode("ControlChange");
  64                 result->add_property("Channel", long(channel()));
  65                 result->add_property("Control", long(cc_number()));
  66                 result->add_property("Value",   long(cc_value()));
  67                 break;
  68
  69         case MIDI_CMD_PGM_CHANGE:
  70                 result = new XMLNode("ProgramChange");
  71                 result->add_property("Channel", long(channel()));
  72                 result->add_property("Number",  long(pgm_number()));
  73                 break;
  74
  75         case MIDI_CMD_NOTE_ON:
  76                 result = new XMLNode("NoteOn");
  77                 result->add_property("Channel", long(channel()));
  78                 result->add_property("Note",  long(note()));
  79                 result->add_property("Velocity",  long(velocity()));
  80                 break;
  81
  82         case MIDI_CMD_NOTE_OFF:
  83                 result = new XMLNode("NoteOff");
  84                 result->add_property("Channel", long(channel()));
  85                 result->add_property("Note",  long(note()));
  86                 result->add_property("Velocity",  long(velocity()));
  87                 break;
  88
  89         case MIDI_CMD_BENDER:
  90                 result = new XMLNode("PitchBendChange");
  91                 result->add_property("Channel", long(channel()));
  92                 result->add_property("Value",  long(pitch_bender_value()));
  93                 break;
  94
  95         default:
  96                 // The implementation is continued as needed
  97                 result = new XMLNode("NotImplemented");
  98                 break;
  99         }
 100
 101         return boost::shared_ptr<XMLNode>(result);
 102 }
 103
 104 #endif // EVORAL_MIDI_XML
 105
 106 template class MIDIEvent<Evoral::Beats>;
 107
 108 } // namespace Evoral
 109