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Fix session-archive of nested sources in unused regions

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A compound region itself may be unused, but the nested source
it provides can be used in another region compound.

In this case the first, unused, region needs to be saved
to save the nested source.
This commit is contained in:
Robin Gareus 2022-08-01 00:56:52 +02:00
parent df21698ea7
commit bd6df4a40d
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 29 additions and 0 deletions
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29
libs/ardour/session_state.cc
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@ -1357,6 +1357,35 @@ Session::state (bool save_template, snapshot_t snapshot_type, bool for_archive,
}
}
}
} else {
/* save used nested sources of unused regions compounds. Those sources
* are not FileSource, and hence not saved when iterating over
* `sources_used_by_this_snapshot'. They also must be saved as "Region"
*/
auto const& used_pl (_playlists->get_used ());
const RegionFactory::RegionMap& region_map (RegionFactory::all_regions());
for (RegionFactory::RegionMap::const_iterator i = region_map.begin(); i != region_map.end(); ++i) {
boost::shared_ptr<Region> r = i->second;
if (r->max_source_level () == 0 || ! r->whole_file ()) {
continue;
}
if (!_playlists->region_use_count (r)) {
/* nested source is not used */
continue;
}
/* Check is region was already saved as part of a playlist */
bool found = false;
for (auto const& pl : used_pl) {
auto const& rlist (pl->region_list ());
if (find (rlist->begin(), rlist->end(), r) != rlist->end()) {
found = true;
break;
}
}
if (!found) {
child->add_child_nocopy (r->get_state ());
}
}
}
RegionFactory::CompoundAssociations& cassocs (RegionFactory::compound_associations());