v2/midiio_osx.h

   1 /*----------------------------------------------------------------------------
   2     ChucK Concurrent, On-the-fly Audio Programming Language
   3       Compiler and Virtual Machine
   4
   5     Copyright (c) 2004 Ge Wang and Perry R. Cook.  All rights reserved.
   6       http://chuck.cs.princeton.edu/
   7       http://soundlab.cs.princeton.edu/
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22     U.S.A.
  23 -----------------------------------------------------------------------------*/
  24
  25 //-----------------------------------------------------------------------------
  26 // file: midiio_osx.h
  27 // desc: midi io header for osx
  28 //
  29 // author: Ge Wang (gewang@cs.princeton.edu)
  30 //         Perry R. Cook (prc@cs.princeton.edu)
  31 //         Ari Lazier (alazier@cs.princeton.edu)
  32 //-----------------------------------------------------------------------------
  33 #ifndef __MIDI_IO_H__
  34 #define __MIDI_IO_H__
  35
  36
  37 #include <CoreMIDI/CoreMIDI.h>
  38 #include <pthread.h>
  39 #include "util_buffers.h"
  40
  41
  42 #ifndef CALLBACK
  43 #define CALLBACK
  44 #endif
  45
  46
  47 //-----------------------------------------------------------------------------
  48 // definitions
  49 //-----------------------------------------------------------------------------
  50 union MidiMsg
  51 {
  52     BYTE__  data[4];
  53     DWORD__ dw;
  54 };
  55
  56
  57
  58
  59 //-----------------------------------------------------------------------------
  60 // name: class MidiOut
  61 // desc: midi out
  62 //-----------------------------------------------------------------------------
  63 class MidiOut
  64 {
  65 public:
  66     MidiOut();
  67     ~MidiOut();
  68
  69 public:
  70     BOOL__ open( int device_num = 0 );
  71     BOOL__ close();
  72     const char * get_last_error() const;
  73
  74 public:
  75     UINT__ send( BYTE__ status );
  76     UINT__ send( BYTE__ status, BYTE__ data1 );
  77     UINT__ send( BYTE__ status, BYTE__ data1, BYTE__ data2 );
  78     UINT__ send( const MidiMsg * msg, DWORD__ length = 3 );
  79     BOOL__ drain();
  80
  81 protected:
  82     UINT__ m_device_num;
  83         MIDIClientRef m_midi_out;
  84         MIDIEndpointRef m_midi_endpoint;
  85         MIDIPortRef m_midi_port;
  86     char m_msg[1024];
  87 };
  88
  89
  90
  91
  92 //-----------------------------------------------------------------------------
  93 // name: class MidiIn
  94 // desc: midi
  95 //-----------------------------------------------------------------------------
  96 class MidiIn
  97 {
  98 public:
  99     MidiIn();
 100     ~MidiIn();
 101
 102 public:
 103     BOOL__ open( int device_num = 0 );
 104     BOOL__ close();
 105     const char * get_last_error() const;
 106
 107 public:
 108     UINT__ recv( MidiMsg * msg );
 109
 110 public:
 111     static void midi_in_cb( const MIDIPacketList * list,
 112                                                         void * port_data,
 113                                                         void * connect_data );
 114
 115 protected:
 116     UINT__ m_device_num;
 117     CBuffer m_buffer;
 118         MIDIClientRef m_midi_in;
 119         MIDIEndpointRef m_midi_endpoint;
 120         MIDIPortRef m_midi_port;
 121
 122     pthread_t m_cb_thread_id;
 123     pthread_mutex_t m_mutex;
 124
 125     char m_msg[1024];
 126 };
 127
 128
 129
 130
 131 #endif