blob: 0556b807a158ba6d730034580aa9a2111eeea0d8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
//*****************************************//
// cmidiin.cpp
// by Gary Scavone, 2003-2004.
//
// Simple program to test MIDI input and
// use of a user callback function.
//
//*****************************************//
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
void usage( void ) {
// Error function in case of incorrect command-line
// argument specifications.
std::cout << "\nuseage: cmidiin <port>\n";
std::cout << " where port = the device to use (default = 0).\n\n";
exit( 0 );
}
void mycallback( double deltatime, std::vector< unsigned char > *message, void *userData )
{
unsigned int nBytes = message->size();
for ( unsigned int i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message->at(i) << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << deltatime << std::endl;
}
int main( int argc, char *argv[] )
{
RtMidiIn *midiin = 0;
// Minimal command-line check.
if ( argc > 2 ) usage();
// RtMidiIn constructor
try {
midiin = new RtMidiIn();
}
catch ( RtError &error ) {
error.printMessage();
exit( EXIT_FAILURE );
}
// Check available ports vs. specified.
unsigned int port = 0;
unsigned int nPorts = midiin->getPortCount();
if ( argc == 2 ) port = (unsigned int) atoi( argv[1] );
if ( port >= nPorts ) {
delete midiin;
std::cout << "Invalid port specifier!\n";
usage();
}
try {
midiin->openPort( port );
}
catch ( RtError &error ) {
error.printMessage();
goto cleanup;
}
// Set our callback function. This should be done immediately after
// opening the port to avoid having incoming messages written to the
// queue instead of sent to the callback function.
midiin->setCallback( &mycallback );
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
std::cout << "\nReading MIDI input ... press <enter> to quit.\n";
char input;
std::cin.get(input);
// Clean up
cleanup:
delete midiin;
return 0;
}
|
