X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsignaldata.h;h=280874c4785d074af42b9a7284ae888c4217b02b;hp=c43b7a37e7e3e1934858ffd438ee0a80a95968e0;hb=313b4901cd15bd87b20870f0354a683a5fc447a5;hpb=b087ba7fd88610cbf54f6371367c7b9f9829dc63

diff --git a/pv/data/signaldata.h b/pv/data/signaldata.h
index c43b7a37..280874c4 100644
--- a/pv/data/signaldata.h
+++ b/pv/data/signaldata.h
@@ -30,18 +30,20 @@ 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;
 
-protected:
-	const double _start_time;
+	virtual uint64_t get_max_sample_count() const = 0;
 
+protected:
+	double _start_time;
 	double _samplerate;
 };