From f1b267ddf7ca1b84abf7bdc97b736715d23fd89f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Sun, 21 Feb 2010 16:24:05 +0000
Subject: [PATCH] Avoid using log2, it is not available everywhere. Should fix
 compilation on FreeBSD.

Originally committed as revision 21942 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffprobe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffprobe.c b/ffprobe.c
index 47dad44ec5..9a5951a656 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -67,7 +67,7 @@ static char *value_string(char *buf, int buf_size, double val, const char *unit)
         int index;
 
         if (unit == unit_byte_str && use_byte_value_binary_prefix) {
-            index = (int) (log2(val)) / 10;
+            index = (int) (log(val)/log(2)) / 10;
             index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
             val /= pow(2, index*10);
             prefix_string = binary_unit_prefixes[index];