LRN: Don't divide by zero

1 files changed, 4 insertions, 1 deletions

diff --git a/src/plugins/mkv_extractor.c b/src/plugins/mkv_extractor.c
index 678b4de..a27a5ad 100644
--- a/src/plugins/mkv_extractor.c
+++ b/src/plugins/mkv_extractor.c
@@ -292,7 +292,10 @@ EXTRACTOR_mkv_extract (const unsigned char *data, size_t size,
       }
       break;
     case MKVID_DefaultDuration:
-      fps = (unsigned int) (1000000000 / value);
+      if (value > 0)
+        fps = (unsigned int) (1000000000 / value);
+      else
+        fps = 0;
       break;
     case MKVID_Language:
       snprintf (buffer,