CLAM-Development  1.4.0
MIDIEnums.hxx
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1 /*
2  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
3  * UNIVERSITAT POMPEU FABRA
4  *
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 #ifndef __MIDIEnums__
23 #define __MIDIEnums__
24 
25 namespace CLAM {
26 
27 class MIDI
28 {
29 public:
34  enum Message {
35  eNoteOff = 0,
36  eNoteOn = 1,
42  eSystem = 7,
43  // and some special stuff
45  };
46 
47  struct MessageInfo
48  {
49  int length;
50  const char* name;
51  const char* field[3];
52  };
53 
58  enum SysMsg {
69  eStart = 10,
70  eContinue = 11,
71  eStop = 12,
75  };
76 
81  static Message StatusByteToMessage(const unsigned char& byte)
82  {
83  return (Message)((byte >> 4)&7);
84  }
85 
90  static SysMsg StatusByteToSysMsg(const unsigned char& b)
91  {
92  return (SysMsg)(b&15);
93  }
94 
95  static const MessageInfo& GetMessageInfo(Message msg)
96  {
97  return sMessageInfo[int(msg)];
98  }
99 
100  static const MessageInfo& GetMessageInfo(int msg)
101  {
102  return sMessageInfo[msg];
103  }
104 private:
105  static const MessageInfo sMessageInfo[9];
106 
107 friend class MIDIDevice;
108 
109  static const int sNBytesPerSysMsg[16];
110 
111 };
112 
113 }
114 
115 #endif
116