From e1009665759d4a3938dd2dd07b7e84d8bc9c5290 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 9 Jun 2015 05:11:09 +0200
Subject: [PATCH] avcodec/x86/h264_weight: handle weight1=128

Fix ticket4596

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/x86/h264_weight.asm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/x86/h264_weight.asm b/libavcodec/x86/h264_weight.asm
index b4fb9db309..1e1219ddde 100644
--- a/libavcodec/x86/h264_weight.asm
+++ b/libavcodec/x86/h264_weight.asm
@@ -135,8 +135,11 @@ WEIGHT_FUNC_HALF_MM 8, 8
     add  off_regd, 1
     or   off_regd, 1
     add        r4, 1
+    cmp        r6d, 128
+     je .nonnormal
     cmp        r5, 128
      jne .normal
+.nonnormal
     sar        r5, 1
     sar        r6, 1
     sar  off_regd, 1