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session: make sure signals set is initialized
[pulseview.git]
/
pv
/
session.cpp
diff --git
a/pv/session.cpp
b/pv/session.cpp
index ef1159ee599f8abfbf0a7e6b90d6c100eeef3f44..0ac5bb7286dbe2cd6c76dbd07ca967ec2d289176 100644
(file)
--- a/
pv/session.cpp
+++ b/
pv/session.cpp
@@
-579,6
+579,10
@@
void Session::feed_in_analog(shared_ptr<Analog> analog)
const float *data = static_cast<const float *>(analog->data_pointer());
bool sweep_beginning = false;
+ if (signals_.empty()) {
+ update_signals();
+ }
+
for (auto channel : channels)
{
shared_ptr<data::AnalogSegment> segment;