From 860b641d6331a51b5f7f9fd6ec43762e7c0bb58e Mon Sep 17 00:00:00 2001
From: Tobias Jordine <jordine@hdm-stuttgart.de>
Date: Sun, 19 Jun 2022 13:59:44 +0200
Subject: [PATCH] thread demo extended
---
.../concurrency/demo/AudioPlayerDemo04.java | 70 +++++++++++++++++++
1 file changed, 70 insertions(+)
create mode 100644 src/main/java/de/hdm/jordine/vorlesung/concurrency/demo/AudioPlayerDemo04.java
diff --git a/src/main/java/de/hdm/jordine/vorlesung/concurrency/demo/AudioPlayerDemo04.java b/src/main/java/de/hdm/jordine/vorlesung/concurrency/demo/AudioPlayerDemo04.java
new file mode 100644
index 0000000..54bfbe9
--- /dev/null
+++ b/src/main/java/de/hdm/jordine/vorlesung/concurrency/demo/AudioPlayerDemo04.java
@@ -0,0 +1,70 @@
+package de.hdm.jordine.vorlesung.concurrency.demo;
+
+import javazoom.jl.player.Player;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.util.Scanner;
+import java.util.concurrent.locks.ReentrantLock;
+
+// Inspired by https://www.delftstack.com/de/howto/java/java-play-mp3/
+public class AudioPlayerDemo04 {
+
+ private Player player;
+ private ReentrantLock lock = new ReentrantLock();
+
+ public void playAudio(String path){
+ try {
+ lock.lock();
+ FileInputStream fileInputStream = new FileInputStream(path);
+ BufferedInputStream bufferedInputStream = new BufferedInputStream(fileInputStream);
+ player = new Player(bufferedInputStream);
+
+ System.out.println("Playing " + path);
+ player.play();
+
+ lock.unlock();
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ public static void main(String[] args) throws InterruptedException {
+ AudioPlayerDemo04 demo = new AudioPlayerDemo04();
+
+ Scanner sc = new Scanner(System.in);
+
+ System.out.println("Write stop to stop the music: ");
+
+ Thread t0 = new Thread(new Runnable() {
+ @Override
+ public void run() {
+ System.out.println("Starting t0");
+ demo.playAudio("/Users/tobiasjordine/Documents/HdM/SE3/sose2022/misc/demo_audio/sample_01.mp3");
+ }
+ });
+
+ Thread t1 = new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ System.out.println("Starting t1");
+ demo.playAudio("/Users/tobiasjordine/Documents/HdM/SE3/sose2022/misc/demo_audio/sample_02.mp3");
+ }
+ });
+
+ t0.start();
+ t1.start();
+
+ if (sc.nextLine().equalsIgnoreCase("stop")) {
+ demo.player.close();
+ }
+
+ }
+
+}
--
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