vavi-sound-emu

java port game music emu. mavenized and spi-zed also.

name	description	status	comment
gbs	Game Boy	✅	green
nsf	NES	✅️	green
spc	SNES	✅️	green
vgm	Mega Drive	✅	Ym2612(mame:dallongeville+green), Sn76489(green)

Install

• maven

Usage

  AudioInputStream vgmAis = AudioSystem.getAudioInputStream(Paths.get(vgz).toFile());
  AudioFormat inFormat = sourceAis.getFormat();
  AudioFormat outFormat = new AudioFormat(inFormat.getSampleRate(), 16, inFormat.getChannels(), true, true, props);
  AudioInputStream pcmAis = AudioSystem.getAudioInputStream(outFormat, vgmAis);
  SourceDataLine line = (SourceDataLine) AudioSystem.getLine(new DataLine.Info(SourceDataLine.class, pcmAis.getFormat()));
  line.open(pcmAis.getFormat());
  line.start();
  byte[] buffer = new byte[line.getBufferSize()];
  int bytesRead;
  while ((bytesRead = pcmAis.read(buffer)) != -1) {
    line.write(buffer, 0, bytesRead);
  }
  line.drain();

properties for target AudioFormat

• track ... specify track # in the file to play

system properties

• libgme.endless ... loop audio playing or not, default false

References

• https://www.slack.net/~ant/ (blargg's site)
• https://github.com/GeoffWilson/VGM
• https://github.com/libgme/game-music-emu

TODO

• make those using service loader
• javax sound spi
• vgm after 1.50
  • game-music-emu cannot play "Magical Sound Shower"
  • MDPlayer can play above
• vavi.sound.sampled.emu.TestCase#test5
• spi properties for track # etc.