Merge pull request #246 from DSheirer/245-sound-card-source-issue

Using sound card or mixer as a source throws an error
Resolves #245 issue with NPE for frequency change event listener when using the sound card/mixer as a source.
2026-11-10 23:57:25 -05:00 · 2017-05-20 10:55:23 +00:00 · 2017-05-20 06:51:53 -04:00
1 changed files with 7 additions and 1 deletions
--- a/src/module/ProcessingChain.java
+++ b/src/module/ProcessingChain.java
@@ -320,7 +320,13 @@ public class ProcessingChain implements IChannelEventListener

        if(module instanceof IFrequencyChangeListener)
        {
-            mFrequencyChangeEventBroadcaster.addListener(((IFrequencyChangeListener) module).getFrequencyChangeListener());
+            Listener<FrequencyChangeEvent> frequencyChangeEventListener =
+                ((IFrequencyChangeListener)module).getFrequencyChangeListener();
+
+            if(frequencyChangeEventListener != null)
+            {
+                mFrequencyChangeEventBroadcaster.addListener(frequencyChangeEventListener);
+            }
        }

        if(module instanceof IMessageListener)
Author	SHA1	Message	Date
Denny Sheirer	fbc92cfe31	Merge pull request #246 from DSheirer/245-sound-card-source-issue Using sound card or mixer as a source throws an error	2017-05-20 10:55:23 +00:00
Denny	1a432197ac	Resolves #245 issue with NPE for frequency change event listener when using the sound card/mixer as a source.	2017-05-20 06:51:53 -04:00