From 2f289ec914cc7e8133858d4f9e8d91dab685ae44 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Date: Fri, 20 Sep 2019 00:17:06 +0200
Subject: [PATCH] avcodec/ac3enc: Fix invalid shift

Fixes the FATE-tests unknown_layout-ac3, ac3-fixed-encode, ac3-encode
and eac3-encode. It furthermore fixes the ac3-encoder bugs mentioned in
tickets #7994, #8144 and #8159.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/ac3enc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index f1c95ce877..76872a8fe0 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -1065,7 +1065,7 @@ static int bit_alloc(AC3EncodeContext *s, int snr_offset)
 {
     int blk, ch;
 
-    snr_offset = (snr_offset - 240) << 2;
+    snr_offset = (snr_offset - 240) * 4;
 
     reset_block_bap(s);
     for (blk = 0; blk < s->num_blocks; blk++) {