ardour/livetrax
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Ensure each source has a corresponding whole-file region

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This fixes loading old sessions that had an empty source-list
(previously the source-list showed sources, not whole-file regions).
This commit is contained in:
Robin Gareus 2021-07-20 15:35:16 +02:00
parent f457225d08
commit a5220568af
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 48 additions and 0 deletions
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48
libs/ardour/session_state.cc
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@ -1733,6 +1733,54 @@ Session::set_state (const XMLNode& node, int version)
}
}
{
/* ensure each Source has a corresponding whole-file region */
SourceMap src_map (sources);
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->whole_file ()) {
continue;
}
for (uint32_t n = 0; n < r->n_channels (); ++n) {
SourceMap::iterator j = src_map.find (r->source(n)->id());
if (j != src_map.end ()) {
/* found whole-file region for given source */
src_map.erase (j);
}
}
}
/* TODO try to be smart and combine %L/%R sources into stereo whole-file regions */
for (SourceMap::const_iterator i = src_map.begin(); i != src_map.end(); ++i) {
boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (i->second);
if (!afs) {
continue;
}
std::string region_name = region_name_from_path (afs->path (), false);
while (RegionFactory::region_by_name (region_name)) {
region_name = bump_name_once (region_name, '.');
}
PropertyList plist;
plist.add (Properties::name, region_name);
plist.add (Properties::whole_file, true);
plist.add (Properties::automatic, true);
plist.add (Properties::start, 0);
plist.add (Properties::length, afs->length (0));
plist.add (Properties::layer, 0);
SourceList srcs;
srcs.push_back (i->second);
if (RegionFactory::create (srcs, plist)) {
info << string_compose (_("Created region '%1' for source '%2'"), region_name, afs->name ()) << endmsg;
} else {
warning << string_compose (_("Failed to create region representation for source '%1'"), afs->name ()) << endmsg;
}
}
}
if ((child = find_named_node (node, "Routes")) == 0) {
error << _("Session: XML state has no routes section") << endmsg;
goto out;