From ddd86a2924b9bc67c406cd66ebb1fc8915cd60f7 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 28 Feb 2012 18:41:01 +0100 Subject: [PATCH] ffmpeg: Fix division by 0 due to invalid timebase Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- ffmpeg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ffmpeg.c b/ffmpeg.c index 4bdca88c7a..06fb2535a9 100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@ -2269,7 +2269,7 @@ static int output_packet(InputStream *ist, ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts); if (avpkt.duration) { duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); - } else if(ist->st->codec->time_base.num != 0) { + } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) { int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; duration = ((int64_t)AV_TIME_BASE * ist->st->codec->time_base.num * ticks) /