ardour/livetrax
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Lazily load bundled LV2 plugins in LV2PluginInfo::discover()

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- Do this instead of finding them in the static ctor of LV2World
- Prevents usage of ARDOUR_DLL_PATH environment variable before
  it is set in main(...)
This commit is contained in:
Michael R. Fisher 2013-07-14 21:19:59 -05:00
parent 879bab6a53
commit e487814e9d
1 changed files with 31 additions and 18 deletions
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49
libs/ardour/lv2_plugin.cc
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@ -112,6 +112,8 @@ public:
LV2World ();
~LV2World ();
void load_bundled_plugins();
LilvWorld* world;
LilvNode* atom_AtomPort;
@ -140,6 +142,9 @@ public:
LilvNode* time_Position;
LilvNode* ui_GtkUI;
LilvNode* ui_external;
private:
bool _bundle_checked;
};
static LV2World _world;
@ -1903,27 +1908,10 @@ static bool lv2_filter (const string& str, void *arg)
LV2World::LV2World()
: world(lilv_world_new())
, _bundle_checked(false)
{
lilv_world_load_all(world);
cout << "Scanning folders for bundled LV2s: " << ARDOUR::lv2_bundled_search_path().to_string() << endl;
PathScanner scanner;
vector<string *> *plugin_objects = scanner (ARDOUR::lv2_bundled_search_path().to_string(), lv2_filter, 0, true, true);
if (plugin_objects) {
for ( vector<string *>::iterator x = plugin_objects->begin(); x != plugin_objects->end (); ++x) {
#ifdef WINDOWS
string uri = "file:///" + **x + "/";
#else
string uri = "file://" + **x + "/";
#endif
LilvNode *node = lilv_new_uri(world, uri.c_str());
lilv_world_load_bundle(world, node);
lilv_node_free(node);
}
}
delete (plugin_objects);
atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort);
atom_Chunk = lilv_new_uri(world, LV2_ATOM__Chunk);
atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence);
@ -1982,6 +1970,29 @@ LV2World::~LV2World()
lilv_node_free(atom_AtomPort);
}
void
LV2World::load_bundled_plugins()
{
if (!_bundle_checked) {
cout << "Scanning folders for bundled LV2s: " << ARDOUR::lv2_bundled_search_path().to_string() << endl;
PathScanner scanner;
vector<string *> *plugin_objects = scanner (ARDOUR::lv2_bundled_search_path().to_string(), lv2_filter, 0, true, true);
if (plugin_objects) {
for ( vector<string *>::iterator x = plugin_objects->begin(); x != plugin_objects->end (); ++x) {
#ifdef WINDOWS
string uri = "file:///" + **x + "/";
#else
string uri = "file://" + **x + "/";
#endif
LilvNode *node = lilv_new_uri(world, uri.c_str());
lilv_world_load_bundle(world, node);
lilv_node_free(node);
}
}
delete (plugin_objects);
}
}
LV2PluginInfo::LV2PluginInfo (const void* c_plugin)
: _c_plugin(c_plugin)
{
@ -2013,6 +2024,8 @@ LV2PluginInfo::load(Session& session)
PluginInfoList*
LV2PluginInfo::discover()
{
_world.load_bundled_plugins();
PluginInfoList* plugs = new PluginInfoList;
const LilvPlugins* plugins = lilv_world_get_all_plugins(_world.world);