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Simplify irms()
author
Vitor Sessak
<vitor1001@gmail.com>
Wed, 21 May 2008 16:43:33 +0000
(16:43 +0000)
committer
Vitor Sessak
<vitor1001@gmail.com>
Wed, 21 May 2008 16:43:33 +0000
(16:43 +0000)
Originally committed as revision 13215 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/ra144.c
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diff --git
a/libavcodec/ra144.c
b/libavcodec/ra144.c
index
d85d719
..
b3435bb
100644
(file)
--- 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 */