subrip: Convert time components from strings to numbers.

* srt2vtt/subrip.scm (parse-time): Convert matched components to numbers.

diff --git a/srt2vtt/subrip.scm b/srt2vtt/subrip.scm
index 44f118e8752223e614ad35d437f6203aaea729fc..dd3b53f6500f44efccb1046292c7831cb33379ec 100644 (file)
--- a/srt2vtt/subrip.scm
+++ b/srt2vtt/subrip.scm
@@ -32,7 +32,8 @@
 element list.  Valid input looks like '00:00:03.417'."
       (let ((match (regexp-exec regexp s)))
         (if match
-            (map (cut match:substring match <>) '(1 2 3 4))
+            (map (compose string->number (cut match:substring match <>))
+                 '(1 2 3 4))
             (error "Invalid SubRip timestamp: " s))))))
 
 (define parse-time-span