From f43dac169efde3e6499cb85ccd87bb4a6c44c3c8 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Tue, 29 Sep 2015 13:08:48 +0200
Subject: [PATCH] avcodec/x86/sbrdsp: Fix using uninitialized upper 32bit of
 noise

Fixes crash
Fixes: flicker-1.scout3d21443372922.28.m4a

Found-by: Dale Curtis <dalecurtis@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1b82b934a166e60f64e966eaa97512ba9dcb615b)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/x86/sbrdsp.asm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm
index 083461a107..498c136abd 100644
--- a/libavcodec/x86/sbrdsp.asm
+++ b/libavcodec/x86/sbrdsp.asm
@@ -382,6 +382,7 @@ apply_noise_main:
 %else
 %define count m_maxq
 %endif
+    movsxdifnidn    noiseq, noised
     dec    noiseq
     shl    count, 2
 %ifdef PIC