Issue 4938 (1/3) Add Audio_item and Midi_item subclasses for control changes

[lilypond.git] / lily / include / lily-proto.hh

diff --git a/lily/include/lily-proto.hh b/lily/include/lily-proto.hh
index ee3946e0fd02921167b4a3f57d142bee0a64d017..f41c8f5a3f192f469f718c5b9e684d6523f93c13 100644 (file)
--- a/lily/include/lily-proto.hh
+++ b/lily/include/lily-proto.hh
@@ -24,6 +24,7 @@
 
 class All_font_metrics;
 class Audio_column;
+class Audio_control_change;
 class Audio_control_function_value_change;
 class Audio_dynamic;
 class Audio_element;
@@ -90,6 +91,7 @@ class Lyric_engraver;
 class Lyric_performer;
 class Mensural_ligature_engraver;
 class Midi_chunk;
+class Midi_control_change;
 class Midi_control_function_value_change;
 class Midi_duration;
 class Midi_dynamic;