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Allow input meters without session when backend is connected

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This also fixes a race with ARDOUR::AudioEngine::start() emitting
a Running() signal being emitted without a valid session.
This commit is contained in:
Robin Gareus 2022-05-31 18:53:41 +02:00
parent 265f5d8342
commit 43f58f88a6
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GPG key ID: A090BCE02CF57F04
1 changed files with 14 additions and 9 deletions
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9
gtk2_ardour/recorder_ui.cc
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@ -560,13 +560,16 @@ RecorderUI::start_updating ()
size_t iop_audio = 0; size_t iop_audio = 0;
size_t iop_midi = 0; size_t iop_midi = 0;
boost::shared_ptr<IOPlugList> iop (_session->io_plugs ()); boost::shared_ptr<IOPlugList> iop;
if (_session) {
iop = _session->io_plugs ();
for (auto& p : *iop) { for (auto& p : *iop) {
PortManager::AudioInputPorts const& aip (p->audio_input_ports ()); PortManager::AudioInputPorts const& aip (p->audio_input_ports ());
PortManager::MIDIInputPorts const& mip (p->midi_input_ports ()); PortManager::MIDIInputPorts const& mip (p->midi_input_ports ());
iop_audio += aip.size (); iop_audio += aip.size ();
iop_midi += mip.size (); iop_midi += mip.size ();
} }
}
if (aip.size () + mip.size () + iop_audio + iop_midi == 0) { if (aip.size () + mip.size () + iop_audio + iop_midi == 0) {
return; return;
@ -604,9 +607,11 @@ RecorderUI::start_updating ()
set_connections (i->first); set_connections (i->first);
} }
for (auto& p : *iop) { if (iop) {
for (auto const& p : *iop) {
io_plugin_add (p); io_plugin_add (p);
} }
}
update_io_widget_labels (); update_io_widget_labels ();
meter_area_layout (); meter_area_layout ();