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-rw-r--r--src/audioinputengine.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/audioinputengine.h b/src/audioinputengine.h
index c17b964..c2d2e24 100644
--- a/src/audioinputengine.h
+++ b/src/audioinputengine.h
@@ -35,6 +35,8 @@
class AudioInputEngine {
public:
+ virtual ~AudioInputEngine() {}
+
virtual bool init(Instruments &instruments) = 0;
virtual void setParm(std::string parm, std::string value) = 0;