Merge branch 'master' into nested-bookparts

[lilypond.git] / scm / midi.scm

diff --git a/scm/midi.scm b/scm/midi.scm
index 715c8c0e37fc8fa1ddf2d32fb9bfae90f188069e..cf43d3af7592759e5f5887812a1b6f2667665ce1 100644 (file)
--- a/scm/midi.scm
+++ b/scm/midi.scm
@@ -284,18 +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))
-
-
+     (count (if (null? rest) 0 (car rest))))
     (if (pair?  perfs)
        (begin
          (ly:performance-write
           (car perfs)
           (if (> count 0)
-              (format #f "~a-~a.midi" basename count)
-              (format #f "~a.midi" basename)))
+              (format #f "~a-~a.~a" basename count midi-ext)
+              (format #f "~a.~a" basename midi-ext)))
          (loop (cdr perfs) (1+ count))))))