potential fix for crashes when creating fade-ranges

diff --git a/libs/ardour/playlist.cc b/libs/ardour/playlist.cc
index b109ef2f287faabb4750aa3323bdded9f23218b0..af439d7711cf30b20dfb27f584c7eb7dc7f9f612 100644 (file)
--- a/libs/ardour/playlist.cc
+++ b/libs/ardour/playlist.cc
@@ -3318,6 +3318,7 @@ Playlist::uncombine (boost::shared_ptr<Region> target)
 void
 Playlist::fade_range (list<AudioRange>& ranges)
 {
+       RegionReadLock rlock (this);
         for (list<AudioRange>::iterator r = ranges.begin(); r != ranges.end(); ++r) {
                 for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
                         (*i)->fade_range ((*r).start, (*r).end);