From a350bf5262a399aad7500e62cf69b2d9d1f3f2cd Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jean-marc.valin@octasic.com>
Date: Mon, 31 Jan 2011 17:30:15 -0500
Subject: [PATCH] Stop collapsing the background noise channels when switching
 to mono

---
 libcelt/celt.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/libcelt/celt.c b/libcelt/celt.c
index 0bcdc3cd..c170c485 100644
--- a/libcelt/celt.c
+++ b/libcelt/celt.c
@@ -2195,17 +2195,14 @@ int celt_decode_with_ec_float(CELTDecoder * restrict st, const unsigned char *da
       dec = &_dec;
    }
 
-   if (CC==1&&C==2)
+   if (C>CC)
    {
       RESTORE_STACK;
       return CELT_CORRUPTED_DATA;
-   } else if (CC==2&&C==1)
+   } else if (C<CC)
    {
       for (i=0;i<st->mode->nbEBands;i++)
-      {
          oldBandE[i]=MAX16(oldBandE[i],oldBandE[st->mode->nbEBands+i]);
-         backgroundLogE[i]=MAX16(backgroundLogE[i],backgroundLogE[st->mode->nbEBands+i]);
-      }
    }
 
    total_bits = len*8;