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| author | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-10-29 00:16:34 -0400 |
|---|---|---|
| committer | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-10-29 18:53:11 -0400 |
| commit | 59d37f5a4e7014ee0e44af051f092fff9917399b (patch) | |
| tree | e62c9ecdcbba5a9e87986d1c3563efcb2f943d15 | |
| parent | e8c37160640952ab036e643156add9638c062536 (diff) | |
| download | ffmpeg-59d37f5a4e7014ee0e44af051f092fff9917399b.tar.gz | |
avfilter/vf_psnr: use log10 instead of log()/log(10)
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>
| -rw-r--r-- | libavfilter/vf_psnr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_psnr.c b/libavfilter/vf_psnr.c index 36bbab259f..bce5c515c8 100644 --- a/libavfilter/vf_psnr.c +++ b/libavfilter/vf_psnr.c @@ -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) |