X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fdata%2Fanalog.cpp;h=02cb83e40c7e474729c7c6d82035f673138f6d36;hb=57e7e17efd833527069607595be0847080d0a6a2;hp=da025882949ea8486638198fcb5fe124c22fa7ff;hpb=eeceee9955e7db4ac777d49d1b7a766069476b08;p=pulseview.git

diff --git a/pv/data/analog.cpp b/pv/data/analog.cpp
index da025882..02cb83e4 100644
--- a/pv/data/analog.cpp
+++ b/pv/data/analog.cpp
@@ -31,7 +31,8 @@ namespace pv {
 namespace data {
 
 Analog::Analog() :
-	SignalData()
+	SignalData(),
+	samplerate_(1)  // Default is 1 Hz to prevent division-by-zero errors
 {
 }
 
@@ -63,25 +64,27 @@ void Analog::clear()
 	samples_cleared();
 }
 
-double Analog::get_samplerate() const
+void Analog::set_samplerate(double value)
 {
-	if (segments_.empty())
-		return 1.0;
+	samplerate_ = value;
+}
 
-	return segments_.front()->samplerate();
+double Analog::get_samplerate() const
+{
+	return samplerate_;
 }
 
 uint64_t Analog::max_sample_count() const
 {
 	uint64_t l = 0;
-	for (const shared_ptr<AnalogSegment> s : segments_) {
+	for (const shared_ptr<AnalogSegment>& s : segments_) {
 		assert(s);
 		l = max(l, s->get_sample_count());
 	}
 	return l;
 }
 
-void Analog::notify_samples_added(QObject* segment, uint64_t start_sample,
+void Analog::notify_samples_added(shared_ptr<Segment> segment, uint64_t start_sample,
 	uint64_t end_sample)
 {
 	samples_added(segment, start_sample, end_sample);