prevent negative playhead positions from entering code via serialized state

diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index bf6b9bd02178d59711ce4bcde57993afff417161..eaf55bcc1c5d11632bedfe99ec9f4ad14802123b 100644 (file)
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -2203,7 +2203,12 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        if (_session && (prop = node.property ("playhead"))) {
                framepos_t pos;
                sscanf (prop->value().c_str(), "%" PRIi64, &pos);
-               playhead_cursor->set_position (pos);
+               if (pos >= 0) {
+                       playhead_cursor->set_position (pos);
+               } else {
+                       warning << _("Playhead position stored with a negative value - ignored (use zero instead)") << endmsg;
+                       playhead_cursor->set_position (0);
+               }
        } else {
                playhead_cursor->set_position (0);
        }