fix crash when copy'ing latent plugins

[ardour.git] / libs / ardour / analyser.cc

diff --git a/libs/ardour/analyser.cc b/libs/ardour/analyser.cc
index bf98ecc20ab406a30c5e675c0c9ecb6337914202..457291f72f51071f3cbc567fbe0bfe167d89e5eb 100644 (file)
--- a/libs/ardour/analyser.cc
+++ b/libs/ardour/analyser.cc
@@ -19,14 +19,20 @@
 
 #include "ardour/analyser.h"
 #include "ardour/audiofilesource.h"
+#include "ardour/rc_configuration.h"
 #include "ardour/session_event.h"
 #include "ardour/transient_detector.h"
 
+#include "pbd/compose.h"
+#include "pbd/error.h"
+#include "pbd/i18n.h"
+
 using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
 Analyser* Analyser::the_analyser = 0;
+Glib::Threads::Mutex Analyser::analysis_active_lock;
 Glib::Threads::Mutex Analyser::analysis_queue_lock;
 Glib::Threads::Cond  Analyser::SourcesToAnalyse;
 list<boost::weak_ptr<Source> > Analyser::analysis_queue;
@@ -92,6 +98,7 @@ Analyser::work ()
                boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (src);
 
                if (afs && afs->length(afs->timeline_position())) {
+                       Glib::Threads::Mutex::Lock lm (analysis_active_lock);
                        analyse_audio_file_source (afs);
                }
        }
@@ -102,13 +109,25 @@ Analyser::analyse_audio_file_source (boost::shared_ptr<AudioFileSource> src)
 {
        AnalysisFeatureList results;
 
-       TransientDetector td (src->sample_rate());
-
-       if (td.run (src->get_transients_path(), src.get(), 0, results) == 0) {
-               src->set_been_analysed (true);
-       } else {
+       try {
+               TransientDetector td (src->sample_rate());
+               td.set_sensitivity (3, Config->get_transient_sensitivity()); // "General purpose"
+               if (td.run (src->get_transients_path(), src.get(), 0, results) == 0) {
+                       src->set_been_analysed (true);
+               } else {
+                       src->set_been_analysed (false);
+               }
+       } catch (...) {
+               error << string_compose(_("Transient Analysis failed for %1."), _("Audio File Source")) << endmsg;;
                src->set_been_analysed (false);
+               return;
        }
-
 }
 
+void
+Analyser::flush ()
+{
+       Glib::Threads::Mutex::Lock lq (analysis_queue_lock);
+       Glib::Threads::Mutex::Lock la (analysis_active_lock);
+       analysis_queue.clear();
+}