X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcontrol-track-performer.cc;h=3846e3102da6c8c0ce2572480ee49d878b70efd9;hb=6233e12249f74e19aff5ee5afa66e81c0f8b7259;hp=9b0d676870d5d08d6074e2a3d2c6090657b5a7b0;hpb=f0eca19f1dc9ffddf98eadf39800405fe4d3e7a5;p=lilypond.git

diff --git a/lily/control-track-performer.cc b/lily/control-track-performer.cc
index 9b0d676870..3846e3102d 100644
--- a/lily/control-track-performer.cc
+++ b/lily/control-track-performer.cc
@@ -21,7 +21,8 @@ protected:
   virtual void acknowledge_audio_element (Audio_element_info info);
 };
 
-Control_track_performer::Control_track_performer ()
+Control_track_performer::Control_track_performer (Context *c)
+  : Performer (c)
 {
   control_track_ = 0;
 }
@@ -52,16 +53,26 @@ Control_track_performer::add_text (Audio_text::Type text_type, const string &str
 void
 Control_track_performer::initialize ()
 {
-  control_track_ = new Audio_staff;
+  control_track_ = new Audio_control_track_staff;
   announce_element (Audio_element_info (control_track_, 0));
 
   string id_string = String_convert::pad_to (gnu_lilypond_version_string (), 30);
 
+  // The first audio element in the control track is a placeholder for the
+  // name of the MIDI sequence.  The actual name is stored in the element
+  // later before outputting the track (in Performance::output, see
+  // performance.cc).
   add_text (Audio_text::TRACK_NAME, "control track");
   add_text (Audio_text::TEXT, "creator: ");
   add_text (Audio_text::TEXT, id_string);
 }
 
+void
+Control_track_performer::boot ()
+{
+
+}
+
 ADD_TRANSLATOR (Control_track_performer,
                 /* doc */
                 "",