From: Vitor Sessak <vitor1001@gmail.com>
Date: Wed, 21 May 2008 16:43:33 +0000 (+0000)
Subject: Simplify irms()
X-Git-Tag: v0.5~4716
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c32985829a1978e5a7c298a43e55ad7afa341f67;p=platform%2Fupstream%2Flibav.git

Simplify irms()

Originally committed as revision 13215 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index d85d719..b3435bb 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -112,12 +112,10 @@ static void rotate_block(const short *source, short *target, int offset)
 /* inverse root mean square */
 static int irms(const short *data, int factor)
 {
-    const short *p1, *p2;
-    unsigned int sum;
+    unsigned int i, sum = 0;
 
-    p2 = (p1 = data) + BLOCKSIZE;
-    for (sum=0; p2 > p1; p1++)
-        sum += (*p1) * (*p1);
+    for (i=0; i < BLOCKSIZE; i++)
+        sum += data[i] * data[i];
 
     if (sum == 0)
         return 0; /* OOPS - division by zero */