Merge branch 'master' into nested-bookparts

[lilypond.git] / scm / midi.scm

diff --git a/scm/midi.scm b/scm/midi.scm
index 5d3277d820095e2c4deca9cd5ebc76bbd53c83a3..cf43d3af7592759e5f5887812a1b6f2667665ce1 100644 (file)
--- a/scm/midi.scm
+++ b/scm/midi.scm
@@ -284,19 +284,17 @@ returns the program of the instrument
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
 
-(define-public (write-performances-midis performances basename)
+(define-public (write-performances-midis performances basename . rest)
   (let ((midi-ext (ly:get-option 'midi-extension)))
-    (let
-       loop
-      ((perfs performances)
-       (count 0))
-
-
-      (if (pair?  perfs)
-         (begin
-           (ly:performance-write
-            (car perfs)
-            (if (> count 0)
-                (format #f "~a-~a.~a" basename count midi-ext)
-                (format #f "~a.~a" basename midi-ext)))
-           (loop (cdr perfs) (1+ count)))))))
+  (let
+      loop
+    ((perfs performances)
+     (count (if (null? rest) 0 (car rest))))
+    (if (pair?  perfs)
+       (begin
+         (ly:performance-write
+          (car perfs)
+          (if (> count 0)
+              (format #f "~a-~a.~a" basename count midi-ext)
+              (format #f "~a.~a" basename midi-ext)))
+         (loop (cdr perfs) (1+ count))))))