63 lines
1.4 KiB
Java
63 lines
1.4 KiB
Java
package envoy.client.data.audio;
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import javax.sound.sampled.*;
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import envoy.exception.EnvoyException;
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/**
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* Plays back audio from a byte array.
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*
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* @author Kai S. K. Engelbart
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* @since Envoy Client v0.1-beta
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*/
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public final class AudioPlayer {
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private final AudioFormat format;
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private final DataLine.Info info;
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private Clip clip;
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/**
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* Initializes the player with the default audio format.
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*
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* @since Envoy Client v0.1-beta
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*/
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public AudioPlayer() {
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this(AudioRecorder.DEFAULT_AUDIO_FORMAT);
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}
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/**
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* Initializes the player with a given audio format.
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*
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* @param format the audio format to use
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* @since Envoy Client v0.1-beta
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*/
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public AudioPlayer(AudioFormat format) {
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this.format = format;
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info = new DataLine.Info(Clip.class, format);
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}
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/**
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* @return {@code true} if audio play back is supported
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* @since Envoy Client v0.1-beta
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*/
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public boolean isSupported() { return AudioSystem.isLineSupported(info); }
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/**
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* Plays back an audio clip.
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*
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* @param data the data of the clip
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* @throws EnvoyException if the play back failed
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* @since Envoy Client v0.1-beta
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*/
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public void play(byte[] data) throws EnvoyException {
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try {
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clip = (Clip) AudioSystem.getLine(info);
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clip.open(format, data, 0, data.length);
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clip.start();
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} catch (final LineUnavailableException e) {
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throw new EnvoyException("Cannot play back audio", e);
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}
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}
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}
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