void PlaybackTracker::init()
{
if (!scheduler) {
TSE3::MidiSchedulerFactory factory;
try {
scheduler = factory.createScheduler();
qDebug() << "MIDI Scheduler created";
if (!scheduler) {
qCritical() << "ERROR opening MIDI device / Music can't be played";
// midiInUse = FALSE;
// return FALSE;
}
metronome = new TSE3::Metronome;
transport = new TSE3::Transport(metronome, scheduler);
transport->attachCallback(this);
} catch (const TSE3::Error &e) {
qCritical() << "cannot create MIDI Scheduler";
scheduler = NULL;
}
}
}
int main(int argc, char *argv[])
{
if (argc < 2)
{
std::cout << "Useage: recording <filename>\n";
exit(1);
}
/**************************************************************************
* 1. Create a Transport object to do some recording with
*************************************************************************/
TSE3::Metronome metronome;
TSE3::MidiSchedulerFactory msFactory;
TSE3::MidiScheduler *scheduler = msFactory.createScheduler();
TSE3::Transport transport(&metronome, scheduler);
/**************************************************************************
* 2. Record some MIDI events
*************************************************************************/
TSE3::Song song;
TSE3::PhraseEdit phraseEdit;
const TSE3::Clock stopTime = TSE3::Clock::PPQN*4*8;
// Record the events. Display hashes for each input event
std::cout << "Recording MIDI data now...\n";
size_t counter = phraseEdit.size();
transport.record(&song, 0, &phraseEdit, 0);
while (scheduler->clock() < stopTime)
{
transport.poll();
// Print a hash if something was recieved
if (phraseEdit.size() != counter)
{
std::cout << "#";
counter = phraseEdit.size();
}
// Perhaps sleep here to prevent slaughtering the CPU
}
transport.stop();
std::cout << "\nFinished recording. There were "
<< phraseEdit.size() << " input events.\n";
// Having finished recording, we have to "tidy" the recorded data
// See the docs for this function to understand why.
phraseEdit.tidy();
std::cout << "This tidies to " << phraseEdit.size() << " events.\n";
// Now we've recorded a phrase of data, we have to insert it into the Song
// This means:
// i) Insert it in the PhraseList
// ii) Create a Part (in a Track) using it
TSE3::Phrase *phrase = phraseEdit.createPhrase(song.phraseList());
TSE3::Part *part = new TSE3::Part(0, stopTime);
part->setPhrase(phrase);
song[0]->insert(part); // We rely on track 0 existing
/**************************************************************************
* 3. Export as a MIDI file
*************************************************************************/
// Created with default parameters, so you'll get a type 1 MIDI file
TSE3::MidiFileExport midiExport;
midiExport.save(argv[1], &song);
/**************************************************************************
* All done
*************************************************************************/
delete scheduler;
return 0;
}