X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsignaldata.h;h=c5ed6bd3fa97967bd675cc0928ae6e53e3bb8219;hp=7f64bdb4cc122d83579c315e4b56cb8957e992c7;hb=e92cd4e4cddac2639c1a5e278124b5bb22ace10f;hpb=1b1ec774978b65209ce2b454cbf81da499b797d2

diff --git a/pv/data/signaldata.h b/pv/data/signaldata.h
index 7f64bdb4..c5ed6bd3 100644
--- a/pv/data/signaldata.h
+++ b/pv/data/signaldata.h
@@ -29,15 +29,19 @@ namespace data {
 class SignalData
 {
 public:
-	SignalData(double samplerate);
+	SignalData();
 
 public:
 	double get_samplerate() const;
+	void set_samplerate(double samplerate);
+
 	double get_start_time() const;
 
+	virtual void clear_snapshots() = 0;
+
 protected:
-	const double _samplerate;
-	const double _start_time;
+	double _start_time;
+	double _samplerate;
 };
 
 } // namespace data