From cc18ea8de05820a6c96f4d8afb8f3ce0e38c7793 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 15 Jan 2015 04:26:16 +0100 Subject: [PATCH] avformat/mov: Do not set aspect ratios that would contain zeros Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 3da296bd07..556411f1ef 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2874,7 +2874,8 @@ static int mov_read_tkhd(MOVContext *c, AVIOContext *pb, MOVAtom atom) for (i = 0; i < 2; i++) disp_transform[i] = sqrt(SQR(display_matrix[i][0]) + SQR(display_matrix[i][1])); - if (fabs((disp_transform[0] / disp_transform[1]) - 1.0) > 0.01) + if (disp_transform[0] > 0 && disp_transform[1] > 0 && + fabs((disp_transform[0] / disp_transform[1]) - 1.0) > 0.01) st->sample_aspect_ratio = av_d2q( disp_transform[0] / disp_transform[1], INT_MAX);