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//*****************************************//
// midiout.cpp
// by Gary Scavone, 2003-2004.
//
// Simple program to test MIDI output.
//
//*****************************************//
#include <iostream>
#include "RtMidi.h"
// Platform-dependent sleep routines.
#if defined(__WINDOWS_MM__)
#include <windows.h>
#define SLEEP( milliseconds ) Sleep( (DWORD) milliseconds )
#else // Unix variants
#include <unistd.h>
#define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
#endif
void usage(void) {
// Error function in case of incorrect command-line
// argument specifications.
std::cout << "\nuseage: midiout <port>\n";
std::cout << " where port = the device to use (default = 0).\n\n";
exit(0);
}
int main(int argc, char *argv[])
{
RtMidiOut *midiout = 0;
std::vector<unsigned char> message;
// Minimal command-line check.
if ( argc > 2 ) usage();
// RtMidiOut constructor
try {
midiout = new RtMidiOut();
}
catch (RtError &error) {
error.printMessage();
exit(EXIT_FAILURE);
}
// Check available ports vs. specified.
unsigned int port = 0;
unsigned int nPorts = midiout->getPortCount();
if ( argc == 2 ) port = (unsigned int) atoi( argv[1] );
if ( port >= nPorts ) {
delete midiout;
std::cout << "Invalid port specifier!\n";
usage();
}
try {
midiout->openPort( port );
//midiout->openVirtualPort();
}
catch (RtError &error) {
error.printMessage();
goto cleanup;
}
// Send out a series of MIDI messages.
// Program change: 192, 5
message.push_back( 192 );
message.push_back( 5 );
midiout->sendMessage( &message );
// Control Change: 176, 7, 100 (volume)
message[0] = 176;
message[1] = 7;
message.push_back( 100 );
midiout->sendMessage( &message );
// Note On: 144, 64, 90
message[0] = 144;
message[1] = 64;
message[2] = 90;
midiout->sendMessage( &message );
SLEEP( 500 );
// Note Off: 128, 64, 40
message[0] = 128;
message[1] = 64;
message[2] = 40;
midiout->sendMessage( &message );
// Sysex: 240, 67, 16, 4, 3, 2, 247
message[0] = 240;
message[1] = 67;
message[2] = 4;
message.push_back( 3 );
message.push_back( 2 );
message.push_back( 247 );
midiout->sendMessage( &message );
// Clean up
cleanup:
delete midiout;
return 0;
}
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