private void openOutput() throws IOException {
AudioFormat audioFormat =
new AudioFormat((float) vorbisInfo.rate, 16, vorbisInfo.channels, true, false);
DataLine.Info info =
new DataLine.Info(SourceDataLine.class, audioFormat, AudioSystem.NOT_SPECIFIED);
if (!AudioSystem.isLineSupported(info)) {
throw new IOException("line format " + info + "not supported");
}
try {
out = (SourceDataLine) AudioSystem.getLine(info);
out.open(audioFormat);
} catch (LineUnavailableException e) {
throw new IOException("audio unavailable: " + e.toString());
}
out.start();
updateVolume(volume);
}
@Override
public boolean play() {
// ForPlay.log().info("play()");
if (playing) {
// we have not yet received LineEvent.Type.STOP
return false;
}
if (clip == null) {
// no audio clip to play
return false;
}
if (clip.isActive()) {
// already playing
return false;
}
try {
inputStream = new FileInputStream(file);
} catch (FileNotFoundException e) {
ForPlay.log().warn("Sound file not found " + file);
// give up
return false;
}
AudioInputStream ais;
try {
// ForPlay.log().info("calling AudioSystem.getAudioInputStream()");
ais = AudioSystem.getAudioInputStream(inputStream);
} catch (UnsupportedAudioFileException e) {
ForPlay.log()
.warn(
"Failed to play sound "
+ file
+ " due to failure to get audio stream caused by "
+ e.toString(),
e);
return false;
} catch (IOException e) {
ForPlay.log()
.warn(
"Failed to play sound "
+ file
+ " due to failure to get audio stream caused by "
+ e.toString(),
e);
return false;
}
try {
// ForPlay.log().info("calling clip.open()");
clip.open(ais);
} catch (IOException e) {
ForPlay.log()
.warn(
"Failed to play sound "
+ file
+ " due to failure to open clip caused by "
+ e.toString(),
e);
return false;
} catch (LineUnavailableException e) {
ForPlay.log()
.info(
"Not playing sound "
+ file
+ " due to failure to open clip caused by "
+ e.toString());
} catch (IllegalArgumentException e) {
ForPlay.log()
.info(
"Not playing sound "
+ file
+ " due to failure to open clip caused by "
+ e.toString());
return false;
} catch (IllegalStateException e) {
// Line may already be open
// TODO(fredsa): figure out why this happens
ForPlay.log()
.info(
"Not playing sound "
+ file
+ " due to failure to open clip caused by "
+ e.toString());
return false;
}
if (looping) {
clip.loop(Clip.LOOP_CONTINUOUSLY);
}
// ForPlay.log().info("calling clip.start()");
clip.start();
playing = true;
return true;
}