From 59cca5040e8da935833fb78510cfb1db124a9528 Mon Sep 17 00:00:00 2001
From: Sebastian Vater <cdgs.basty@googlemail.com>
Date: Mon, 10 May 2010 17:00:56 +0000
Subject: [PATCH] Ensure that width and height are > 0. avcodec_open() itself
 only checks that they are >= 0.

Patch by Sebastian Vater <cdgs basty googlemail com>.

Originally committed as revision 23080 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/iff.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index c911811da4..901c8f4e6c 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -115,6 +115,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
+    if ((err = avcodec_check_dimensions(avctx, avctx->width, avctx->height)))
+        return err;
     s->planesize = FFALIGN(avctx->width, 16) >> 3; // Align plane size in bits to word-boundary
     s->planebuf = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE);
     if (!s->planebuf)