Transforms a stream directly using pipes instead of toByteArray()

src/main/java/fr/Skydust/JdrBot/stock/RecordState.java

@@ -152,10 +152,20 @@ public class RecordState {
 	}
 
 	public void rawToWave(ByteArrayOutputStream input, File wavFile) throws IOException {
+		// Transform output to input stream with pipes
+		PipedInputStream pis = new PipedInputStream();
+		final PipedOutputStream out = new PipedOutputStream(pis);
+		new Thread(() -> {
+			try {
+				input.writeTo(out);
+			} catch (IOException e) {
+				throw new RuntimeException(e);
+			}
+		}).start();
+
 		AudioFormat format = getAudioFormat();
-		byte[] audioData = input.toByteArray();
-		ByteArrayInputStream bais = new ByteArrayInputStream(audioData);
-		AudioInputStream audioInputStream = new AudioInputStream(bais, format, audioData.length / format.getFrameSize());
+
+		AudioInputStream audioInputStream = new AudioInputStream(pis, format, input.size() / format.getFrameSize());
 
 		AudioSystem.write(audioInputStream, AudioFileFormat.Type.WAVE, wavFile);