tweaks to disk io point mechanisms

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

diff --git a/libs/ardour/track.cc b/libs/ardour/track.cc
index c9f581add2b03678376f7654d3c567f2213a0153..72948b4a98a5ffc90c9bae6a99ec3cf78c523146 100644 (file)
--- a/libs/ardour/track.cc
+++ b/libs/ardour/track.cc
@@ -55,6 +55,7 @@ using namespace PBD;
 Track::Track (Session& sess, string name, PresentationInfo::Flag flag, TrackMode mode, DataType default_type)
        : Route (sess, name, flag, default_type)
         , _saved_meter_point (_meter_point)
+       , _disk_io_point (DiskIOPreFader)
         , _mode (mode)
        , _alignment_choice (Automatic)
 {
@@ -102,10 +103,9 @@ Track::init ()
 
         use_new_playlist ();
 
-        /* ordering here is important, and needs to be generally maintained */
-
-        add_processor (_disk_writer, PreFader);
-        add_processor (_disk_reader, PreFader);
+        /* disk writer and reader processors will be added when Route calls
+         * setup_invisible_processors_oh_children_of_mine ().
+         */
 
         boost::shared_ptr<Route> rp (boost::dynamic_pointer_cast<Route> (shared_from_this()));
        boost::shared_ptr<Track> rt = boost::dynamic_pointer_cast<Track> (rp);
@@ -162,6 +162,7 @@ Track::state (bool full)
        root.add_child_nocopy (_record_enable_control->get_state ());
 
        root.set_property (X_("saved-meter-point"), _saved_meter_point);
+       root.set_property (X_("disk-io-point"), _disk_io_point);
        root.set_property (X_("alignment-choice"), _alignment_choice);
 
        return root;
@@ -224,6 +225,10 @@ Track::set_state (const XMLNode& node, int version)
                _saved_meter_point = _meter_point;
        }
 
+       if (!node.get_property (X_("saved-meter-point"), _disk_io_point)) {
+               _disk_io_point = DiskIOPreFader;
+       }
+
        AlignChoice ac;
 
        if (node.get_property (X_("alignment-choice"), ac)) {
@@ -1512,3 +1517,56 @@ Track::use_captured_audio_sources (SourceList& srcs, CaptureInfos const & captur
        pl->set_capture_insertion_in_progress (false);
        _session.add_command (new StatefulDiffCommand (pl));
 }
+
+#ifdef __clang__
+__attribute__((annotate("realtime")))
+#endif
+void
+Track::setup_invisible_processors_oh_children_of_mine (ProcessorList& processors)
+{
+       ProcessorList::iterator insert_pos;
+
+       switch (_disk_io_point) {
+       case DiskIOPreFader:
+               insert_pos = find (processors.begin(), processors.end(), _trim);
+               if (insert_pos != processors.end()) {
+                       insert_pos = processors.insert (insert_pos, _disk_writer);
+                       processors.insert (insert_pos, _disk_reader);
+               }
+               break;
+       case DiskIOPostFader:
+               insert_pos = find (processors.begin(), processors.end(), _main_outs);
+               if (insert_pos != processors.end()) {
+                       insert_pos = processors.insert (insert_pos, _disk_writer);
+                       processors.insert (insert_pos, _disk_reader);
+               }
+       case DiskIOCustom:
+               break;
+       }
+}
+
+void
+Track::set_disk_io_position (DiskIOPoint diop)
+{
+       bool display = false;
+
+       switch (diop) {
+       case DiskIOCustom:
+               display = true;
+               break;
+       default:
+               display = false;
+       }
+
+       _disk_writer->set_display_to_user (display);
+       _disk_reader->set_display_to_user (display);
+
+       const bool changed = (diop != _disk_io_point);
+
+       _disk_io_point = diop;
+
+       if (changed) {
+               Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
+               configure_processors (0);
+       }
+}