mirror of https://git.videolan.org/git/ffmpeg.git
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>
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@ -72,7 +72,7 @@ static inline unsigned pow2(unsigned base)
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static inline double get_psnr(double mse, uint64_t nb_frames, int max)
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static inline double get_psnr(double mse, uint64_t nb_frames, int max)
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{
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{
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return 10.0 * log(pow2(max) / (mse / nb_frames)) / log(10.0);
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return 10.0 * log10(pow2(max) / (mse / nb_frames));
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}
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}
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static uint64_t sse_line_8bit(const uint8_t *main_line, const uint8_t *ref_line, int outw)
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static uint64_t sse_line_8bit(const uint8_t *main_line, const uint8_t *ref_line, int outw)
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