From 4c01b868de80e94a5619370e02f8d45dde4007b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Schieli?= <cschieli@gmail.com>
Date: Tue, 17 Mar 2009 19:51:52 +0000
Subject: [PATCH] Don't write outside of the picture buffer in planarCopy in
the gray case
Originally committed as revision 28985 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
---
libswscale/swscale.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index c6012c15b72..8728e2bb6c2 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1934,8 +1934,14 @@ static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli
if ((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0)
{
- if (!isGray(c->dstFormat))
- memset(dst[plane], 128, dstStride[plane]*height);
+ if (!isGray(c->dstFormat)){
+ int i;
+ uint8_t *ptr = dst[plane] + dstStride[plane]*y;
+ for (i=0; i<height; i++){
+ memset(ptr, 128, length);
+ ptr += dstStride[plane];
+ }
+ }
}
else
{
--
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