/** Checks the input lines of the mixer and removes the ones that aren't needed anymore */
private static void serviceMixer(AudioMixer mixer) {
List<AudioInput> ais = mixer.getAudioStreams();
for (int i = ais.size() - 1; i >= 0; i--) {
AudioInput ai = ais.get(i);
if (ai.done()) {
mixer.removeAudioStream(ai);
}
}
}
@SuppressWarnings("unchecked")
private static void printUsageAndExit() {
List infos = MidiIn.getDeviceList();
List ainfos = SoundcardSink.getDeviceList();
System.out.println("Usage:");
System.out.println("java Main [-m <MIDI dev>] [-a <audio dev>] [-l <latency>] [-h]");
System.out.println(
"-m: allow MIDI input. <MIDI dev> is a number for the MIDI "
+ "device from the following list:");
if (infos.size() > 0) {
for (int i = 0; i < infos.size(); i++) {
System.out.println(" " + i + ": " + infos.get(i));
}
} else {
System.out.println(" (no MIDI IN devices available)");
}
System.out.println(
"-a: specify the audio output device (otherwise the default device will be used)");
System.out.println(
" <audio dev> is a number for the audio " + "device from the following list:");
if (ainfos.size() > 0) {
for (int i = 0; i < ainfos.size(); i++) {
System.out.println(" " + i + ": " + ainfos.get(i));
}
} else {
System.out.println(" (no audio output devices available)");
}
System.out.println("-l: specify the buffer size in milliseconds");
System.exit(1);
}