X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsignaldata.hpp;h=5168fee8e4b58fb6c75dec7afe26364a4709d47a;hp=034703e19a2df88dec8ba57580fa9f6bfb1507aa;hb=b571a8e7e0dc3e3b6daa58f27050e76466f006dd;hpb=6f925ba9d6faf1077b73c5a5808259576081716a

diff --git a/pv/data/signaldata.hpp b/pv/data/signaldata.hpp
index 034703e1..5168fee8 100644
--- a/pv/data/signaldata.hpp
+++ b/pv/data/signaldata.hpp
@@ -24,6 +24,8 @@
 #include <memory>
 #include <vector>
 
+#include <QObject>
+
 using std::shared_ptr;
 using std::vector;
 
@@ -32,18 +34,24 @@ namespace data {
 
 class Segment;
 
-class SignalData
+class SignalData : public QObject
 {
+	Q_OBJECT
+
 public:
 	SignalData() = default;
-	virtual ~SignalData() {}
+	virtual ~SignalData() = default;
 
 public:
 	virtual vector< shared_ptr<Segment> > segments() const = 0;
 
+	virtual uint32_t get_segment_count() const = 0;
+
 	virtual void clear() = 0;
 
 	virtual uint64_t max_sample_count() const = 0;
+
+	virtual double get_samplerate() const = 0;
 };
 
 } // namespace data