/**
* Constructs an <code>AudioSource</code> that will subscribe to the samples in <code>stream
* </code>. It is expected that the stream is using a <code>DataLine</code> for playback. If it is
* not, calls to <code>Controller</code>'s methods will result in a <code>NullPointerException
* </code>.
*
* @param istream the <code>AudioStream</code> to subscribe to and wrap
*/
public AudioSource(AudioStream istream) {
super(istream.getControls());
stream = istream;
// we gots a buffer for users to poll
buffer = new StereoBuffer(stream.getFormat().getChannels(), stream.bufferSize(), this);
left = buffer.left;
right = buffer.right;
mix = buffer.mix;
// we gots a signal splitter that we'll add any listeners the user wants
splitter = new SignalSplitter(stream.getFormat(), stream.bufferSize());
// we stick our buffer in the signal splitter because we can only set one
// listener on the stream
splitter.addListener(buffer);
// and there it goes.
stream.setAudioListener(splitter);
// we got an effects chain that we'll add user effects to
effects = new EffectsChain();
// we set it as the effect on the stream
stream.setAudioEffect(effects);
stream.open();
}
/** Closes the <code>AudioStream</code> this was constructed with. */
public void close() {
stream.close();
}
@Override
public float sampleRate() {
return stream.getFormat().getSampleRate();
}
@Override
public int type() {
return stream.getFormat().getChannels();
}
@Override
public AudioFormat getFormat() {
return stream.getFormat();
}
@Override
public int bufferSize() {
return stream.bufferSize();
}