From f5324ff941e77c55382782b5a25864257553fb48 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Thu, 27 Aug 2020 10:51:18 +0200
Subject: [PATCH] aac: add missing heading bit to escape value

Reported by Philip Deljanov
---
 nihav-commonfmt/src/codecs/aac.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nihav-commonfmt/src/codecs/aac.rs b/nihav-commonfmt/src/codecs/aac.rs
index 5058a44..e5697b7 100644
--- a/nihav-commonfmt/src/codecs/aac.rs
+++ b/nihav-commonfmt/src/codecs/aac.rs
@@ -882,6 +882,7 @@ fn read_escape(br: &mut BitReader, sign: bool) -> DecoderResult<i16> {
     let prefix                                          = br.read_code(UintCodeType::UnaryOnes)? as u8;
     validate!(prefix < 9);
     let bits                                            = br.read(prefix + 4)? as i16;
+    let bits = bits | (1 << (prefix + 4));
     if sign {
         Ok(bits)
     } else {
-- 
2.39.5