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avfilter/vf_psnr: use log10 instead of log()/log(10)

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This is likely more precise and conveys the intent better.

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 00:16:34 -04:00
parent e8c3716064
commit 59d37f5a4e
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_psnr.c
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@ -72,7 +72,7 @@ static inline unsigned pow2(unsigned base)
static inline double get_psnr(double mse, uint64_t nb_frames, int max)
{
return 10.0 * log(pow2(max) / (mse / nb_frames)) / log(10.0);
return 10.0 * log10(pow2(max) / (mse / nb_frames));
}
static uint64_t sse_line_8bit(const uint8_t *main_line, const uint8_t *ref_line, int outw)