From 84dc5ee6d004e744ffada4a63c19debcdccae741 Mon Sep 17 00:00:00 2001
From: James Ball <james@ball.sh>
Date: Fri, 18 Jun 2021 18:49:23 +0100
Subject: [PATCH] Throw helpful error if no default device is found

---
 pom.xml                                   | 2 +-
 src/main/java/sh/ball/gui/Controller.java | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index 1a194f9..730b079 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>sh.ball</groupId>
     <artifactId>osci-render</artifactId>
-    <version>1.7.1</version>
+    <version>1.7.2</version>
 
     <name>osci-render</name>
 
diff --git a/src/main/java/sh/ball/gui/Controller.java b/src/main/java/sh/ball/gui/Controller.java
index 8d6c90c..1582e83 100644
--- a/src/main/java/sh/ball/gui/Controller.java
+++ b/src/main/java/sh/ball/gui/Controller.java
@@ -133,6 +133,9 @@ public class Controller implements Initializable, FrequencyListener, Listener {
     frames.addListener(this);
     this.producer = new FrameProducer<>(audioPlayer, frames);
     this.defaultDevice = audioPlayer.getDefaultDevice();
+    if (defaultDevice == null) {
+      throw new RuntimeException("No default audio device found!");
+    }
     this.sampleRate = defaultDevice.sampleRate();
     this.rotateEffect = new RotateEffect(sampleRate);
     this.translateEffect = new TranslateEffect(sampleRate);