shared_ptr<view::Signal> signal;
// Find the channel in the old signals
const auto iter = std::find_if(
prev_sigs.cbegin(), prev_sigs.cend(),
[&](const shared_ptr<view::Signal> &s) {
shared_ptr<view::Signal> signal;
// Find the channel in the old signals
const auto iter = std::find_if(
prev_sigs.cbegin(), prev_sigs.cend(),
[&](const shared_ptr<view::Signal> &s) {