Terminate AudioRecord setup immediately if getting an appropriate buffer size fails.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/main/java/com/morlunk/jumble/audio/AudioInput.java b/src/main/java/com/morlunk/jumble/audio/AudioInput.java
index 494f8d3..7a6da29 100644
--- a/src/main/java/com/morlunk/jumble/audio/AudioInput.java
+++ b/src/main/java/com/morlunk/jumble/audio/AudioInput.java
@@ -72,6 +72,9 @@ public class AudioInput implements Runnable {
     private static AudioRecord setupAudioRecord(int sampleRate, int audioSource) throws AudioInitializationException {
         int minBufferSize = AudioRecord.getMinBufferSize(sampleRate, AudioFormat.CHANNEL_IN_MONO,
                                                                 AudioFormat.ENCODING_PCM_16BIT);
+        if (minBufferSize <= 0)
+            throw new AudioInitializationException("Invalid buffer size returned (unsupported sample rate).");
+
         AudioRecord audioRecord;
         try {
             audioRecord = new AudioRecord(audioSource, sampleRate, AudioFormat.CHANNEL_IN_MONO,