string why_not;
bool const can_reference = dcp && dcp->can_reference_audio (_parent->film(), why_not);
- setup_refer_button (_reference, _reference_note, dcp, can_reference, why_not);
+ wxString cannot;
+ if (why_not.empty()) {
+ cannot = _("Cannot reference this DCP's audio.");
+ } else {
+ cannot = _("Cannot reference this DCP's audio: ") + std_to_wx(why_not);
+ }
+ setup_refer_button (_reference, _reference_note, dcp, can_reference, cannot);
if (_reference->GetValue ()) {
_gain->wrapped()->Enable (false);