diff options
Diffstat (limited to 'libs/ardour/automation_list.cc')
-rw-r--r-- | libs/ardour/automation_list.cc | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/libs/ardour/automation_list.cc b/libs/ardour/automation_list.cc index 636a1bbede..761aa31867 100644 --- a/libs/ardour/automation_list.cc +++ b/libs/ardour/automation_list.cc @@ -131,6 +131,7 @@ AutomationList::AutomationList (const XMLNode& node, Evoral::Parameter id) AutomationList::~AutomationList() { + delete _before; } boost::shared_ptr<Evoral::ControlList> @@ -192,8 +193,11 @@ AutomationList::set_automation_state (AutoState s) { if (s != _state) { _state = s; + delete _before; if (s == Write && _desc.toggled) { _before = &get_state (); + } else { + _before = 0; } automation_state_changed (s); /* EMIT SIGNAL */ } @@ -211,8 +215,11 @@ AutomationList::set_automation_style (AutoStyle s) void AutomationList::start_write_pass (double when) { + delete _before; if (in_new_write_pass ()) { _before = &get_state (); + } else { + _before = 0; } ControlList::start_write_pass (when); } @@ -221,8 +228,6 @@ void AutomationList::write_pass_finished (double when, double thinning_factor) { ControlList::write_pass_finished (when, thinning_factor); - /* automation control has deleted this or it is now owned by the session undo stack */ - _before = 0; } void @@ -260,7 +265,9 @@ AutomationList::stop_touch (bool mark, double) /* _before may be owned by the undo stack, * so we have to be careful about doing this. -*/ + * + * ::before () transfers ownership, setting _before to 0 + */ void AutomationList::clear_history () { |