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Prevent rare crash at exit in optimized builds 

update_video_timeline() is called after destroying the
video_timeline instance at exit.

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  __GI_abort () at abort.c:79
#2  __assert_fail_base at assert.c:92
#3  __GI___assert_fail at assert.c:101
#4  Editor::update_video_timeline(bool) (this=0x55a10a25a060, flush=false) at ../gtk2_ardour/editor_videotimeline.cc:57
#5  Editor::visual_changer(Editor::VisualChange const&) (this=0x55a10a25a060, vc=...) at ../gtk2_ardour/editor.cc:4746
#6  Editor::idle_visual_changer() (this=0x55a10a25a060) at ../gtk2_ardour/editor.cc:4687
#7  Editor::_idle_visual_changer(void*) (arg=0x55a10a25a060) at ../gtk2_ardour/editor.cc:4645
#8  g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9   () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 gtk_main () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#12 Gtkmm2ext::UI::run(Receiver&) (this=0x55a105ababe0, old_receiver=...) at ../libs/gtkmm2ext/gtk_ui.cc:293
#13 main(int, char**) (argc=1, argv=0x7fffcd806dc8) at ../gtk2_ardour/main.cc:437
This commit is contained in:
Robin Gareus 2020-05-22 01:39:43 +02:00
parent 44bca6cc8f
commit a4a96f7556
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 3 additions and 0 deletions
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3
gtk2_ardour/editor_videotimeline.cc
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@ -55,6 +55,9 @@ Editor::update_video_timeline (bool flush)
{
// catch GUIIdle -> Editor::idle_visual_changer during quit/close
assert (ARDOUR_UI::instance()->video_timeline);
if (!ARDOUR_UI::instance()->video_timeline) {
return;
}
if (flush) {
ARDOUR_UI::instance()->video_timeline->flush_local_cache();