invalidate AU cache on re-scan

1 files changed, 13 insertions, 0 deletions

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index 1862844cd9..e28d892053 100644
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -2698,6 +2698,8 @@ AUPluginInfo::discover (bool scan_only)
 
 	if (!Glib::file_test (au_cache_path(), Glib::FILE_TEST_EXISTS)) {
 		ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)"));
+		// flush RAM cache -- after clear_cache()
+		cached_info.clear();
 	}
 	// create crash log file
 	au_start_crashlog ();
@@ -3073,6 +3075,17 @@ AUPluginInfo::cached_io_configuration (const std::string& unique_id,
 }
 
 void
+AUPluginInfo::clear_cache ()
+{
+	const string& fn = au_cache_path();
+	if (Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
+		::g_unlink(fn.c_str());
+	}
+	// keep cached_info in RAM until restart or re-scan
+	cached_info.clear();
+}
+
+void
 AUPluginInfo::add_cached_info (const std::string& id, AUPluginCachedInfo& cinfo)
 {
 	cached_info[id] = cinfo;