From 5c8467a07c654f6acd9e8e3a436cd5b746bb2f44 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 8 Jan 2016 23:01:30 +0100 Subject: [PATCH] avformat/ivfenc: fix division by zero Fixes Ticket 5115 Signed-off-by: Michael Niedermayer --- libavformat/ivfenc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavformat/ivfenc.c b/libavformat/ivfenc.c index 2053c509f9..484d87d093 100644 --- a/libavformat/ivfenc.c +++ b/libavformat/ivfenc.c @@ -72,8 +72,9 @@ static int ivf_write_packet(AVFormatContext *s, AVPacket *pkt) static int ivf_write_trailer(AVFormatContext *s) { AVIOContext *pb = s->pb; - if (pb->seekable) { - IVFEncContext *ctx = s->priv_data; + IVFEncContext *ctx = s->priv_data; + + if (pb->seekable && ctx->frame_cnt > 1) { size_t end = avio_tell(pb); avio_seek(pb, 24, SEEK_SET);