X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Fsignaldata.hpp;h=5168fee8e4b58fb6c75dec7afe26364a4709d47a;hp=ff30cf1a0eee15a33e2c9ca269f89d5e729755c9;hb=f4ab4b5c657e5613caba82feaa81a8a400e4f331;hpb=e45b13b536666034c9b6fe52a9321d749dae3c02

diff --git a/pv/data/signaldata.hpp b/pv/data/signaldata.hpp
index ff30cf1..5168fee 100644
--- a/pv/data/signaldata.hpp
+++ b/pv/data/signaldata.hpp
@@ -14,8 +14,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef PULSEVIEW_PV_DATA_SIGNALDATA_HPP
@@ -25,23 +24,34 @@
 #include <memory>
 #include <vector>
 
+#include <QObject>
+
+using std::shared_ptr;
+using std::vector;
+
 namespace pv {
 namespace data {
 
 class Segment;
 
-class SignalData
+class SignalData : public QObject
 {
+	Q_OBJECT
+
 public:
-	SignalData();
-	virtual ~SignalData() {}
+	SignalData() = default;
+	virtual ~SignalData() = default;
 
 public:
-	virtual std::vector< std::shared_ptr<Segment> > segments() const = 0;
+	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