From 743311a1b080fd015edd69c0e4d6a3db3c584954 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Mon, 30 Oct 2006 20:43:07 +0000
Subject: [PATCH] coded line size is a multiple of 4

Originally committed as revision 6844 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/bmp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/bmp.c b/libavcodec/bmp.c
index 3034f9b8d3..2a4d83393e 100644
--- a/libavcodec/bmp.c
+++ b/libavcodec/bmp.c
@@ -177,7 +177,8 @@ static int bmp_decode_frame(AVCodecContext *avctx,
     buf += hsize;
     dsize = buf_size - hsize;
 
-    n = avctx->width * (depth / 8);
+    /* Line size in file multiple of 4 */
+    n = (avctx->width * (depth / 8) + 3) & ~3;
 
     if(n * avctx->height > dsize){
         av_log(avctx, AV_LOG_ERROR, "not enough data (%d < %d)\n",