From eed4ebd22cddc238fed06e773d64ffb69dbdb6b7 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 19 Jan 2005 13:24:43 +0000
Subject: [PATCH] div by zero aspect fix

Originally committed as revision 3850 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h264.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 22106a9090..ade316b2e8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3469,6 +3469,8 @@ static int decode_slice_header(H264Context *h){
         s->avctx->width = s->width;
         s->avctx->height = s->height;
         s->avctx->sample_aspect_ratio= h->sps.sar;
+        if(!s->avctx->sample_aspect_ratio.den)
+            s->avctx->sample_aspect_ratio.den = 1;
 
         if(h->sps.timing_info_present_flag && h->sps.fixed_frame_rate_flag){
             s->avctx->frame_rate = h->sps.time_scale;