From 8b85c29463414c5a971ba47f94de4888ff67e058 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 7 Dec 2011 20:29:38 +0100
Subject: [PATCH] qtrledec: Fix artifacts in tickets/226/qt_rle_bw.mov

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/qtrle.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/qtrle.c b/libavcodec/qtrle.c
index e84a63bc30..4ef529d5b2 100644
--- a/libavcodec/qtrle.c
+++ b/libavcodec/qtrle.c
@@ -96,6 +96,9 @@ static void qtrle_decode_1bpp(QtrleContext *s, int stream_ptr, int row_ptr, int
             pixel_ptr += 2 * skip;
         CHECK_PIXEL_PTR(0);  /* make sure pixel_ptr is positive */
 
+        if(rle_code == -1)
+            continue;
+
         if (rle_code < 0) {
             /* decode the run length code */
             rle_code = -rle_code;