From dd52617a8e9c4e64ede527aa433c3d3d80e6db6b Mon Sep 17 00:00:00 2001
From: Archit Tamarapu <archit.tamarapu@iis.fraunhofer.de>
Date: Wed, 2 Jul 2025 12:22:28 +0200
Subject: [PATCH] [fix] MASA number of output channels not set correctly for
 Custom LS output in external renderer

---
 lib_rend/lib_rend_fx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib_rend/lib_rend_fx.c b/lib_rend/lib_rend_fx.c
index 2b0f1bdea..97b83b7b6 100644
--- a/lib_rend/lib_rend_fx.c
+++ b/lib_rend/lib_rend_fx.c
@@ -9905,7 +9905,12 @@ static ivas_error initMasaExtRenderer(
         return error;
     }
 
-    IF( NE_32( ( error = getAudioConfigNumChannels( outConfig, &hMasaExtRend->nchan_output ) ), IVAS_ERR_OK ) )
+    IF( EQ_32( outConfig, IVAS_AUDIO_CONFIG_LS_CUSTOM ) )
+    {
+        hMasaExtRend->nchan_output = add( inputMasa->base.ctx.pCustomLsOut->num_spk, inputMasa->base.ctx.pCustomLsOut->num_lfe );
+        move16();
+    }
+    ELSE IF( NE_32( ( error = getAudioConfigNumChannels( outConfig, &hMasaExtRend->nchan_output ) ), IVAS_ERR_OK ) )
     {
         return error;
     }
-- 
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