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-rw-r--r--src/FIRFilter.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/FIRFilter.h b/src/FIRFilter.h
index 8707dac..59e954d 100644
--- a/src/FIRFilter.h
+++ b/src/FIRFilter.h
@@ -108,8 +108,8 @@ public:
const char* name() { return "FIRFilter"; }
/******* REMOTE CONTROL ********/
- void set_parameter(string parameter, string value);
- string get_parameter(string parameter);
+ virtual void set_parameter(const string& parameter, const string& value);
+ virtual const string get_parameter(const string& parameter) const;
protected: