diff options
| -rw-r--r-- | libs/ardour/playlist.cc | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/libs/ardour/playlist.cc b/libs/ardour/playlist.cc index 2044a2f142..bab4e358f9 100644 --- a/libs/ardour/playlist.cc +++ b/libs/ardour/playlist.cc @@ -2432,14 +2432,22 @@ Playlist::relayer () /* reset the pending explicit relayer flag for every region, now that we're relayering */ (*i)->set_pending_explicit_relayer (false); - /* find the time divisions that this region covers */ - int const start_division = floor ( ((*i)->position() - start) / division_size); - int end_division = floor ( ((*i)->position() + (*i)->length() - start) / division_size ); - if (end_division == divisions) { - end_division--; + /* find the time divisions that this region covers; if there are no regions on the list, + division_size will equal 0 and in this case we'll just say that + start_division = end_division = 0. + */ + int start_division = 0; + int end_division = 0; + + if (division_size > 0) { + start_division = floor ( ((*i)->position() - start) / division_size); + end_division = floor ( ((*i)->position() + (*i)->length() - start) / division_size ); + if (end_division == divisions) { + end_division--; + } } - assert (end_division < divisions); + assert (divisions == 0 || end_division < divisions); /* find the lowest layer that this region can go on */ size_t j = layers.size(); |