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
This commit is contained in:
Reimar Döffinger 2010-02-21 16:24:05 +00:00
parent dd3475682e
commit f1b267ddf7

View File

@ -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];