Imported Upstream version 2.18.0

[lilypond.git] / lily / include / audio-item.hh

diff --git a/lily/include/audio-item.hh b/lily/include/audio-item.hh
index 45dcc7b7991f6b486fbd1f8c284cafa0f56bbf61..43ed2e05a91e6fd8ccb80b8ff351354be927fb02 100644 (file)
--- a/lily/include/audio-item.hh
+++ b/lily/include/audio-item.hh
@@ -86,6 +86,8 @@ public:
 
   // with tieWaitForNote, there might be a skip between the tied notes!
   void tie_to (Audio_note *, Moment skip = 0);
+  Audio_note *tie_head ();
+  virtual string to_string () const;
 
   Pitch pitch_;
   Moment length_mom_;
@@ -112,7 +114,7 @@ public:
     MARKER, CUE_POINT
   };
 
-  Audio_text (Audio_text::Type type, string text_string);
+  Audio_text (Audio_text::Type type, const string &text_string);
 
   Type type_;
   string text_string_;
@@ -135,6 +137,38 @@ public:
   int one_beat_;
 };
 
+class Audio_control_function_value_change : public Audio_item
+{
+public:
+  // Supported control functions.
+  enum Control
+  {
+    BALANCE = 0, PAN_POSITION, REVERB_LEVEL, CHORUS_LEVEL,
+    // pseudo value for representing the size of the enum; must be kept last
+    NUM_CONTROLS
+  };
+
+  Audio_control_function_value_change (Control control, Real value);
+
+  // Information about a context property corresponding to a control function
+  // (name, the corresponding enumeration value, and the allowed range for the
+  // value of the context property).
+  struct Context_property
+  {
+    const char *name_;
+    Control control_;
+    Real range_min_;
+    Real range_max_;
+  };
+
+  // Mapping from supported control functions to the corresponding context
+  // properties.
+  static const Context_property context_properties_[];
+
+  Control control_;
+  Real value_;
+};
+
 int moment_to_ticks (Moment);
 Real moment_to_real (Moment);
 Moment remap_grace_duration (Moment);