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ffmpeg: use log10 instead of log()/log(10)

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This is more concise and conveys the intent better.
Furthermore, it is likely more precise as well due to lack of floating
point division.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2015-10-29 00:01:43 -04:00
parent b8e1980807
commit b45daad2aa
1 changed files with 1 additions and 1 deletions
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ffmpeg.c
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@ -1244,7 +1244,7 @@ static void do_video_out(AVFormatContext *s,
static double psnr(double d)
{
return -10.0 * log(d) / log(10.0);
return -10.0 * log10(d);
}
static void do_video_stats(OutputStream *ost, int frame_size)