avformat/asfdec_f: Use 64bit for preroll computation

Fixes: CID1500342 Unintentional integer overflow Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 70b4994762) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 months ago · 980d1e530e
parent c00fd50092
commit 980d1e530e
1 changed files with 1 additions and 1 deletions
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@ -674,7 +674,7 @@ static int asf_read_marker(AVFormatContext *s)

        avio_rl64(pb);             // offset, 8 bytes
        pres_time = avio_rl64(pb); // presentation time
-        pres_time = av_sat_sub64(pres_time, asf->hdr.preroll * 10000);
+        pres_time = av_sat_sub64(pres_time, asf->hdr.preroll * 10000LL);
        avio_rl16(pb);             // entry length
        avio_rl32(pb);             // send time
        avio_rl32(pb);             // flags