X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fjacosubdec.c;h=f6be5df2d7d7a275d9ef75f3fce7edd811e78371;hb=5c363d3e595a9e5b7c42897b7aab91b91b154ac1;hp=520c435cc5afc8f41f4b79cea8dbddf47ab44209;hpb=9a88a47be4da9cd25a582feec7cc36790500b481;p=ffmpeg

diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c
index 520c435cc5a..f6be5df2d7d 100644
--- a/libavformat/jacosubdec.c
+++ b/libavformat/jacosubdec.c
@@ -127,7 +127,7 @@ shift_and_ret:
     ts_start  = (ts_start + jacosub->shift) * 100 / jacosub->timeres;
     ts_end    = (ts_end   + jacosub->shift) * 100 / jacosub->timeres;
     *start    = ts_start;
-    *duration = ts_start + ts_end;
+    *duration = ts_end - ts_start;
     return buf + len;
 }