From 0955f67cb3b79e79c1ae0dfb2f2598d45cc3ef49 Mon Sep 17 00:00:00 2001
From: kevin <kpl@larke.org>
Date: Mon, 8 Apr 2013 23:00:40 -0700
Subject: [PATCH] cmApBuf.c: Change to sqrt(sum) to sart(sum/cp->mn) in
 _cmApMeterValue()

---
 cmApBuf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/cmApBuf.c b/cmApBuf.c
index ef3abf2..8262ebb 100644
--- a/cmApBuf.c
+++ b/cmApBuf.c
@@ -102,7 +102,7 @@ cmApSample_t _cmApMeterValue( const cmApCh* cp )
   for(i=0; i<cp->mn; ++i)
     sum += cp->m[i];
 
-  return (cmApSample_t)sqrt(sum);
+  return cp->mn==0 ? 0 : (cmApSample_t)sqrt(sum/cp->mn);
 }
 
 void _cmApSine( cmApCh* cp, cmApSample_t* b0, unsigned n0, cmApSample_t* b1, unsigned n1, unsigned stride, float srate )
@@ -571,7 +571,6 @@ unsigned cmApBufGetStatus( unsigned devIdx, unsigned flags, double* meterArray,
 
   for(i=0; i<chCnt; ++i)
     meterArray[i] = _cmApMeterValue(iop->chArray + i);        
-  
   return chCnt;
 }