X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavformat%2Fjacosubdec.c;h=121c86d659687ecd224711e429af6a488826261c;hb=1a944563907b0a8dc1aa9231dc42d8fc8eeb2de4;hp=520c435cc5afc8f41f4b79cea8dbddf47ab44209;hpb=f4cf6ba8c9646814af842a99335c6ee312ded299;p=ffmpeg

diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c
index 520c435cc5a..121c86d6596 100644
--- a/libavformat/jacosubdec.c
+++ b/libavformat/jacosubdec.c
@@ -48,7 +48,7 @@ static int timed_line(const char *ptr)
             (sscanf(ptr, "@%u @%u %c", &fs, &fe, &c) == 3 && fs < fe));
 }
 
-static int jacosub_probe(AVProbeData *p)
+static int jacosub_probe(const AVProbeData *p)
 {
     const char *ptr     = p->buf;
     const char *ptr_end = p->buf + p->buf_size;
@@ -107,6 +107,7 @@ static const char *read_ts(JACOsubContext *jacosub, const char *buf,
     unsigned hs, ms, ss, fs; // hours, minutes, seconds, frame start
     unsigned he, me, se, fe; // hours, minutes, seconds, frame end
     int ts_start, ts_end;
+    int64_t ts_start64, ts_end64;
 
     /* timed format */
     if (sscanf(buf, "%u:%u:%u.%u %u:%u:%u.%u %n",
@@ -124,10 +125,10 @@ static const char *read_ts(JACOsubContext *jacosub, const char *buf,
     return NULL;
 
 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;
+    ts_start64  = (ts_start + jacosub->shift) * 100LL / jacosub->timeres;
+    ts_end64    = (ts_end   + jacosub->shift) * 100LL / jacosub->timeres;
+    *start    = ts_start64;
+    *duration = ts_end64 - ts_start64;
     return buf + len;
 }