From 394b1e3c1f31ac4d16872638cfcd2f4b2d239712 Mon Sep 17 00:00:00 2001
From: Sandesh Venkatesh <sandesh.venkatesh@ittiam.com>
Date: Thu, 16 Jan 2025 09:34:44 +0530
Subject: [PATCH] Fix for 3GPP issue 1169: Assert in reduce_metadata_further_fx
 for MASA selection test input

Link #1169
---
 lib_enc/ivas_masa_enc.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib_enc/ivas_masa_enc.c b/lib_enc/ivas_masa_enc.c
index 543897b85..42abcf9f4 100644
--- a/lib_enc/ivas_masa_enc.c
+++ b/lib_enc/ivas_masa_enc.c
@@ -2364,7 +2364,16 @@ static void reduce_metadata_further_fx(
         }
     }
 
-    tmp2 = W_norm( W_tmp );
+    IF( W_tmp != 0 )
+    {
+        tmp2 = sub( W_norm( W_tmp ), 1 ); // Usage of guard bits to avoid the large values of onset_detector in multiplication
+    }
+    ELSE
+    {
+        tmp2 = 0;
+        move16();
+    }
+
     tmp2 = s_min( 32, tmp2 );
     totalEnergySum = W_extract_h( W_shl( W_tmp, tmp2 ) );
     tmp2 = sub( tmp2, 32 );
-- 
GitLab