This avoids an integer overflow
the solution matches oggparsevorbis.c and
45581ed15d2ad5955e24d809820c1675da68f500
Fixes: 700242
Found-by: Thomas Guilbert <tguilb...@google.com>
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/oggparsedaala.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/oggparsedaala.c b/libavformat/oggparsedaala.c
index 89bda58994..ce65b2bd7a 100644
--- a/libavformat/oggparsedaala.c
+++ b/libavformat/oggparsedaala.c
@@ -232,7 +232,7 @@ static int daala_packet(AVFormatContext *s, int idx)
os->lastpts = os->lastdts = daala_gptopts(s, idx, os->granule, NULL) -
duration;
if(s->streams[idx]->start_time == AV_NOPTS_VALUE) {
s->streams[idx]->start_time = os->lastpts;
- if (s->streams[idx]->duration)
+ if (s->streams[idx]->duration != AV_NOPTS_VALUE)
s->streams[idx]->duration -= s->streams[idx]->start_time;
}
}
--
2.11.0
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