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authorMichael Niedermayer <michaelni@gmx.at>2012-09-10 16:15:07 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-09-10 16:15:07 +0200
commitb422e2c58a9606c670a0d2709b14fc8e0cb9a028 (patch)
treed44c0c6f8fd14e3dc3e117d9d39974009aa7e515 /libavformat/utils.c
parent616ef2e8bd1d7426d03097db1c2c359adbf2fecd (diff)
downloadffmpeg-b422e2c58a9606c670a0d2709b14fc8e0cb9a028.tar.gz
compute_pkt_fields: fix harmless integer overflow
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/utils.c')
-rw-r--r--libavformat/utils.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 5057bf154c..0ea878761b 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1026,7 +1026,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
pc && pc->pict_type != AV_PICTURE_TYPE_B)
presentation_delayed = 1;
- if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts && st->pts_wrap_bits<63){
+ if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && st->pts_wrap_bits<63 && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts){
if(is_relative(st->cur_dts) || pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > st->cur_dts) {
pkt->dts -= 1LL<<st->pts_wrap_bits;
} else