+Analog::Analog() :
+ SignalData(),
+ samplerate_(1) // Default is 1 Hz to prevent division-by-zero errors
+{
+}
+
+void Analog::push_segment(shared_ptr<AnalogSegment> &segment)
+{
+ segments_.push_back(segment);
+
+ if ((samplerate_ == 1) && (segment->samplerate() > 1))
+ samplerate_ = segment->samplerate();
+
+ connect(segment.get(), SIGNAL(completed()), this, SLOT(on_segment_completed()));
+}
+
+const deque< shared_ptr<AnalogSegment> >& Analog::analog_segments() const
+{
+ return segments_;
+}
+
+vector< shared_ptr<Segment> > Analog::segments() const
+{
+ return vector< shared_ptr<Segment> >(
+ segments_.begin(), segments_.end());
+}
+
+uint32_t Analog::get_segment_count() const
+{
+ return (uint32_t)segments_.size();
+}
+
+void Analog::clear()
+{
+ if (!segments_.empty()) {
+ segments_.clear();
+
+ samples_cleared();
+ }
+}
+
+void Analog::set_samplerate(double value)
+{
+ samplerate_ = value;
+}
+
+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_) {
+ assert(s);
+ l = max(l, s->get_sample_count());
+ }
+ return l;
+}
+
+void Analog::notify_samples_added(shared_ptr<Segment> segment, uint64_t start_sample,
+ uint64_t end_sample)