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-rw-r--r--src/audioinputengine.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/audioinputengine.h b/src/audioinputengine.h
index b218086..d7ac9c9 100644
--- a/src/audioinputengine.h
+++ b/src/audioinputengine.h
@@ -40,9 +40,9 @@ public:
virtual bool isMidiEngine() { return false; }
- virtual bool init(Instruments &instruments) = 0;
+ virtual bool init(Instruments& instruments) = 0;
- virtual void setParm(std::string parm, std::string value) = 0;
+ virtual void setParm(const std::string& parm, const std::string& value) = 0;
virtual bool start() = 0;
virtual void stop() = 0;