Play recorded sounds: Difference between revisions
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</syntaxhighlight>
=={{header|Java}}==
<syntaxhighlight lang="java">
import java.io.File;
import java.io.IOException;
import java.util.Scanner;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
public final class PlayRecordedSounds {
public static void main(String[] aArgs) {
PlayRecordedSounds soundPlayer = new PlayRecordedSounds();
soundPlayer.play();
scanner = new Scanner(System.in);
int choice = 0;
while ( choice != 6 ) {
System.out.println("1. Pause");
System.out.println("2. Resume");
System.out.println("3. Restart");
System.out.println("4. Jump to specific time");
System.out.println("5. Stop");
System.out.println("6. Quit the program");
choice = scanner.nextInt();
soundPlayer.select(choice);
}
scanner.close();
}
private enum Status { PLAYING, PAUSED, STOPPED }
private PlayRecordedSounds() {
resetAudioStream();
}
private void select(int aChoice) {
switch ( aChoice ) {
case 1 -> pause();
case 2 -> resume();
case 3 -> restart();
case 4 -> { System.out.println("Select a time between 0 and " + clip.getMicrosecondLength());
final long request = scanner.nextLong();
jump(request);
}
case 5 -> stop();
case 6 -> quit();
default -> { /* Take no action */ }
}
}
private void play() {
status = Status.PLAYING;
clip.start();
}
private void pause() {
if ( status == Status.PAUSED ) {
System.out.println("The audio is already paused");
return;
}
currentClipPosition = clip.getMicrosecondPosition();
clip.stop();
status = Status.PAUSED;
}
private void resume() {
if ( status == Status.PLAYING ) {
System.out.println("The audio is already being played");
return;
}
clip.close();
resetAudioStream();
clip.setMicrosecondPosition(currentClipPosition);
status = Status.PLAYING;
play();
}
private void restart() {
clip.stop();
clip.close();
resetAudioStream();
currentClipPosition = 0;
clip.setMicrosecondPosition(currentClipPosition);
status = Status.PLAYING;
play();
}
private void jump(long aRequest) {
if ( aRequest > 0 && aRequest < clip.getMicrosecondLength() ) {
clip.stop();
clip.close();
resetAudioStream();
currentClipPosition = aRequest;
clip.setMicrosecondPosition(currentClipPosition);
status = Status.PLAYING;
play();
}
}
private void stop() {
currentClipPosition = 0;
clip.stop();
clip.close();
status = Status.STOPPED;
}
private void quit() {
try {
scanner.close();
clip.close();
audioStream.close();
Runtime.getRuntime().exit(0);
} catch (IOException ioe) {
ioe.printStackTrace(System.err);
}
}
private void resetAudioStream() {
try {
audioStream = AudioSystem.getAudioInputStream( new File(FILE_PATH) );
clip = AudioSystem.getClip();
clip.open(audioStream);
clip.loop(Clip.LOOP_CONTINUOUSLY);
} catch (UnsupportedAudioFileException | IOException | LineUnavailableException exception) {
exception.printStackTrace(System.err);
}
}
private static Scanner scanner;
private static Clip clip;
private static long currentClipPosition;
private static Status status;
private static AudioInputStream audioStream;
private static final String FILE_PATH = "./test_piece.wav";
}
</syntaxhighlight>
=={{header|Julia}}==
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