v2/midiio_oss.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_oss.h
  27 // desc: midi io header for oss
  28 //
  29 // author: Ge Wang (gewang@cs.princeton.edu)
  30 //         Perry R. Cook (prc@cs.princeton.edu)
  31 //-----------------------------------------------------------------------------
  32 #ifndef __MIDI_IO_H__
  33 #define __MIDI_IO_H__
  34
  35
  36 #include <pthread.h>
  37 #include "util_buffers.h"
  38
  39
  40 #ifndef CALLBACK
  41 #define CALLBACK
  42 #endif
  43
  44
  45 //-----------------------------------------------------------------------------
  46 // definitions
  47 //-----------------------------------------------------------------------------
  48 union MidiMsg
  49 {
  50     BYTE__  data[4];
  51     DWORD__ dw;
  52 };
  53
  54
  55
  56
  57 //-----------------------------------------------------------------------------
  58 // name: class MidiOut
  59 // desc: midi out
  60 //-----------------------------------------------------------------------------
  61 class MidiOut
  62 {
  63 public:
  64     MidiOut();
  65     ~MidiOut();
  66
  67 public:
  68     BOOL__ open( int device_num = 0 );
  69     BOOL__ close();
  70
  71 public:
  72     UINT__ send( BYTE__ status );
  73     UINT__ send( BYTE__ status, BYTE__ data1 );
  74     UINT__ send( BYTE__ status, BYTE__ data1, BYTE__ data2 );
  75     UINT__ send( const MidiMsg * msg );
  76     BOOL__ drain();
  77
  78 protected:
  79     UINT__ m_device_num;
  80 //    snd_rawmidi_t * m_midi_out;
  81 };
  82
  83
  84
  85
  86 //-----------------------------------------------------------------------------
  87 // name: class MidiIn
  88 // desc: midi
  89 //-----------------------------------------------------------------------------
  90 class MidiIn
  91 {
  92 public:
  93     MidiIn();
  94     ~MidiIn();
  95
  96 public:
  97     BOOL__ open( int device_num = 0 );
  98     BOOL__ close();
  99
 100 public:
 101     UINT__ recv( MidiMsg * msg );
 102
 103 public:
 104     static void * midi_in_cb( void * min );
 105
 106 protected:
 107     UINT__ m_device_num;
 108 //    snd_rawmidi_t * m_midi_in;
 109     CBuffer m_buffer;
 110
 111     pthread_t m_cb_thread_id;
 112     pthread_mutex_t m_mutex;
 113 };
 114
 115
 116
 117
 118 #endif