bool MidiInputController::enablePort(int portNumber) {
if(portNumber < 0)
return false;
try {
MidiInputCallback *callback = new MidiInputCallback;
RtMidiIn *rtMidiIn = new RtMidiIn;
cout << "Enabling MIDI port " << portNumber << " (" << rtMidiIn->getPortName(portNumber) << ")\n";
rtMidiIn->openPort(portNumber); // Open the port
rtMidiIn->ignoreTypes(true, true, true); // Ignore sysex, timing, active sensing
callback->controller = this;
callback->midiIn = rtMidiIn;
callback->inputNumber = portNumber;
rtMidiIn->setCallback(MidiInputController::rtMidiStaticCallback, callback);
activePorts_[portNumber] = callback;
}
catch(...) {
return false;
}
return true;
}
int main(int argc, char** argv)
{
if (argc != 2) {
printf("Usage: synth file.sf2\n");
exit(0);
}
LightFluidSynth *usynth;
usynth = new LightFluidSynth();
usynth->loadSF2(argv[1]);
// usynth->loadSF2("tim.sf2");
RtMidiIn *midiIn = new RtMidiIn();
if (midiIn->getPortCount() == 0) {
std::cout << "No MIDI ports available!\n";
}
midiIn->openPort(0);
midiIn->setCallback( &midiCallback, (void *)usynth );
midiIn->ignoreTypes( false, false, false );
// RtAudio dac(RtAudio::LINUX_PULSE);
RtAudio dac;
RtAudio::StreamParameters rtParams;
// Determine the number of devices available
unsigned int devices = dac.getDeviceCount();
// Scan through devices for various capabilities
RtAudio::DeviceInfo info;
for ( unsigned int i = 0; i < devices; i++ ) {
info = dac.getDeviceInfo( i );
if ( info.probed == true ) {
std::cout << "device " << " = " << info.name;
std::cout << ": maximum output channels = " << info.outputChannels << "\n";
}
}
// rtParams.deviceId = 3;
rtParams.deviceId = dac.getDefaultOutputDevice();
rtParams.nChannels = 2;
unsigned int bufferFrames = FRAME_SIZE;
RtAudio::StreamOptions options;
options.flags = RTAUDIO_SCHEDULE_REALTIME;
dac.openStream( &rtParams, NULL, AUDIO_FORMAT, SAMPLE_RATE, &bufferFrames, &audioCallback, (void *)usynth, &options );
dac.startStream();
printf("\n\nPress Enter to stop\n\n");
cin.get();
dac.stopStream();
delete(usynth);
return 0;
}
void midiInfo()
{
cout << "MIDI INFO port = " << portopt << endl;
std::vector<unsigned char> message;
double stamp;
int nBytes;
int i;
#ifdef MARSYAS_MIDIIO
RtMidiIn *midiin = NULL;
try {
midiin = new RtMidiIn();
}
catch (RtError3 &error) {
error.printMessage();
exit(1);
}
try {
midiin->openPort(portopt);
}
catch (RtError3 &error) {
error.printMessage();
exit(1);
}
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
while(1)
{
stamp = midiin->getMessage( &message );
nBytes = message.size();
if (nBytes >0)
{
for ( i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message[i] << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << stamp << '\n';
}
usleep(10);
}
#endif
}
static VALUE rtMidiIn_connect(VALUE self, VALUE port)
{
RtMidiIn *device;
Data_Get_Struct(self, RtMidiIn, device);
try {
device->openPort(NUM2INT(port));
device->ignoreTypes( false, false, false );
}
catch(RtError &error)
{
rb_warn("could not open port");
return Qfalse;
}
return Qtrue;
}
/* returns 0 on failure */
int
start_midi(int port)
{
if(midi.getPortCount() < 1) {
std::cout << "No MIDI ports available!\n";
return 0;
}
try {
midi.openPort(port);
} catch(RtError &error) {
return 0;
}
// don't ignore sysex, timing, or active sensing messages
midi.ignoreTypes(false, false, false);
return 1;
}
//-----------------------------------------------------------------------------
// name: main()
// desc: entry point
//-----------------------------------------------------------------------------
int main( int argc, char ** argv )
{
RtMidiIn *midiin = new RtMidiIn();
// Check available ports.
unsigned int nPorts = midiin->getPortCount();
if ( nPorts == 0 ) {
std::cout << "No ports available!\n";
//goto cleanup;
}
midiin->openPort( 0 );
// Set our callback function. This should be done immediately after
// opening the port to avoid having incoming messages written to the
// queue.
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);
// instantiate RtAudio object
RtAudio audio;
// variables
unsigned int bufferBytes = 0;
// frame size
unsigned int numFrames = 512;
// check for audio devices
if( audio.getDeviceCount() < 1 )
{
// nopes
cout << "no audio devices found!" << endl;
exit( 1 );
}
// let RtAudio print messages to stderr.
audio.showWarnings( true );
// set input and output parameters
RtAudio::StreamParameters iParams, oParams;
iParams.deviceId = audio.getDefaultInputDevice();
iParams.nChannels = MY_CHANNELS;
iParams.firstChannel = 0;
oParams.deviceId = audio.getDefaultOutputDevice();
oParams.nChannels = MY_CHANNELS;
oParams.firstChannel = 0;
// create stream options
RtAudio::StreamOptions options;
// go for it
try {
// open a stream
audio.openStream( &oParams, &iParams, MY_FORMAT, MY_SRATE, &numFrames, &callme, NULL, &options );
}
catch( RtError& e )
{
// error!
cout << e.getMessage() << endl;
exit( 1 );
}
// compute
bufferBytes = numFrames * MY_CHANNELS * sizeof(SAMPLE);
// test RtAudio functionality for reporting latency.
cout << "stream latency: " << audio.getStreamLatency() << " frames" << endl;
for( int i = 0; i < MY_NUMSTRINGS; i++ )
{
// intialize
g_ks[i].init( MY_SRATE*2, 440, MY_SRATE );
}
// go for it
try {
// start stream
audio.startStream();
char input;
std::cout << "Press any key to quit ";
std::cin.get(input);
// stop the stream.
audio.stopStream();
}
catch( RtError& e )
{
// print error message
cout << e.getMessage() << endl;
goto cleanup;
}
cleanup:
// close if open
if( audio.isStreamOpen() )
audio.closeStream();
delete midiin;
// done
return 0;
}
value rtmidi_in_ignoretypes(value obj, value sysex, value time, value sense) {
RtMidiIn *midiin = (RtMidiIn *)(intptr_t)val_float(obj);
midiin->ignoreTypes(val_bool(sysex), val_bool(time), val_bool(sense));
return alloc_null();
}
int main( int argc, char *argv[] )
{
RtMidiIn *midiin = 0;
std::vector<unsigned char> message;
int nBytes, i;
double stamp;
// 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;
}
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
// Install an interrupt handler function.
done = false;
(void) signal(SIGINT, finish);
// Periodically check input queue.
std::cout << "Reading MIDI from port ... quit with Ctrl-C.\n";
while ( !done ) {
stamp = midiin->getMessage( &message );
nBytes = message.size();
for ( i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message[i] << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << stamp << std::endl;
// Sleep for 10 milliseconds.
SLEEP( 10 );
}
// Clean up
cleanup:
delete midiin;
return 0;
}
int main (int argc, char ** argv)
{
//parse tempo
if (argc>2)
{
cerr<<"Error in arguments\n";
printHelp();
exit(1);
}
else if (argc==2)
{
g_tempo = atoi(argv[1]);
if (g_tempo<40 && g_tempo>200)
{
cerr<<"Tempo out of bounds!\n";
printHelp();
exit(1);
}
tempoChange();
}
// set up fluid synth stuff
// TODO: error checking!!!!
g_settings = new_fluid_settings();
g_synth = new_fluid_synth( g_settings );
g_metronome = new_fluid_synth( g_settings );
//fluid_player_t* player;
//player = new_fluid_player(g_synth);
//fluid_player_add(player, "backing.mid");
//fluid_player_play(player);
if (fluid_synth_sfload(g_synth, "piano.sf2", 1) == -1)
{
cerr << "Error loading sound font" << endl;
exit(1);
}
if (fluid_synth_sfload(g_metronome, "drum.sf2", 1) == -1)
{
cerr << "Error loading sound font" << endl;
exit(1);
}
// RtAudio config + init
// pointer to RtAudio object
RtMidiIn * midiin = NULL;
RtAudio * audio = NULL;
unsigned int bufferSize = 512;//g_sixteenth/100;
// MIDI config + init
try
{
midiin = new RtMidiIn();
}
catch( RtError & err ) {
err.printMessage();
// goto cleanup;
}
// Check available ports.
if ( midiin->getPortCount() == 0 )
{
std::cout << "No ports available!\n";
// goto cleanup;
}
// use the first available port
if ( midiin->getPortCount() > 2)
midiin->openPort( 1 );
else
midiin->openPort( 0 );
// set midi callback
midiin->setCallback( &midi_callback );
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
// create the object
try
{
audio = new RtAudio();
cerr << "buffer size: " << bufferSize << endl;
}
catch( RtError & err ) {
err.printMessage();
exit(1);
}
if( audio->getDeviceCount() < 1 )
{
// nopes
cout << "no audio devices found!" << endl;
exit( 1 );
}
// let RtAudio print messages to stderr.
audio->showWarnings( true );
// set input and output parameters
RtAudio::StreamParameters iParams, oParams;
iParams.deviceId = audio->getDefaultInputDevice();
iParams.nChannels = 1;
iParams.firstChannel = 0;
oParams.deviceId = audio->getDefaultOutputDevice();
oParams.nChannels = 2;
oParams.firstChannel = 0;
// create stream options
RtAudio::StreamOptions options;
// set the callback and start stream
try
{
audio->openStream( &oParams, &iParams, RTAUDIO_FLOAT32, MY_SRATE, &bufferSize, &audioCallback, NULL, &options);
audio->startStream();
// test RtAudio functionality for reporting latency.
cout << "stream latency: " << audio->getStreamLatency() << " frames" << endl;
}
catch( RtError & err )
{
err.printMessage();
goto cleanup;
}
// wait for user input
cout << "Type CTRL+C to quit:";
//initialize graphics
gfxInit(&argc,argv);
// if we get here, stop!
try
{
audio->stopStream();
}
catch( RtError & err )
{
err.printMessage();
}
// Clean up
cleanup:
if(audio)
{
audio->closeStream();
delete audio;
}
return 0;
}
