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Fix crash at exit when EngineDialog shows some page other than 1st 

#1  std::operator==<char> (__lhs=<error reading variable: Cannot access memory at address 0x801f0f1f>) at /usr/include/c++/8/bits/basic_string.h:6058
#2  EngineControl::get_matching_state at ../gtk2_ardour/engine_dialog.cc:1874
#3  EngineControl::get_saved_state_for_currently_displayed_backend_and_device() at ../gtk2_ardour/engine_dialog.cc:1893
#4  EngineControl::post_push() at ../gtk2_ardour/engine_dialog.cc:2655
#5  EngineControl::push_state_to_backend(bool) at ../gtk2_ardour/engine_dialog.cc:2643
#6  EngineControl::on_switch_page(_GtkNotebookPage*, unsigned int) (this=0x55bc43fd4d40, page_num=1) at ../gtk2_ardour/engine_dialog.cc:2988
[...]
#20  () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#21 g_object_run_dispose () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 Gtk::VBox::~VBox() () at /usr/lib/x86_64-linux-gnu/libgtkmm-2.4.so.1
#23 EngineControl::~EngineControl() (this=0x55bc43fd4d40, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../gtk2_ardour/engine_dialog.cc:73
This commit is contained in:
Robin Gareus 2021-01-14 01:43:20 +01:00
parent fa791ae9cc
commit 350938b68e
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 3 additions and 0 deletions
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gtk2_ardour/engine_dialog.cc
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@ -2939,6 +2939,9 @@ EngineControl::set_desired_sample_rate (uint32_t sr)
void
EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
{
if (ignore_changes) {
return;
}
if (page_num == 0) {
_measure_midi.reset();
update_sensitivity ();