diff options
Diffstat (limited to 'libs/ardour/session.cc')
| -rw-r--r-- | libs/ardour/session.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc index 1b054fd6fb..d9c83a3ff3 100644 --- a/libs/ardour/session.cc +++ b/libs/ardour/session.cc @@ -3004,6 +3004,23 @@ Session::remove_source (boost::weak_ptr<Source> src) } } +/** Return the number of playlists (not regions) that contain @a src */ +uint32_t +Session::source_use_count (boost::shared_ptr<const Source> src) const +{ + uint32_t count = 0; + for (PlaylistList::const_iterator p = playlists.begin(); p != playlists.end(); ++p) { + for (Playlist::RegionList::const_iterator r = (*p)->region_list().begin(); + r != (*p)->region_list().end(); ++r) { + if ((*r)->uses_source(src)) { + ++count; + break; + } + } + } + return count; +} + boost::shared_ptr<Source> Session::source_by_id (const PBD::ID& id) { |