X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdata%2Fsignaldata.h;h=280874c4785d074af42b9a7284ae888c4217b02b;hb=e8d009288de28cb194bc7964f96677c2baf900c9;hp=c5ed6bd3fa97967bd675cc0928ae6e53e3bb8219;hpb=e0fc58100fbcd6c3bfd5aecb213d7541a3436622;p=pulseview.git

diff --git a/pv/data/signaldata.h b/pv/data/signaldata.h
index c5ed6bd3..280874c4 100644
--- a/pv/data/signaldata.h
+++ b/pv/data/signaldata.h
@@ -30,14 +30,17 @@ class SignalData
 {
 public:
 	SignalData();
+	virtual ~SignalData() {}
 
 public:
-	double get_samplerate() const;
+	double samplerate() const;
 	void set_samplerate(double samplerate);
 
 	double get_start_time() const;
 
-	virtual void clear_snapshots() = 0;
+	virtual void clear() = 0;
+
+	virtual uint64_t get_max_sample_count() const = 0;
 
 protected:
 	double _start_time;