From 8c2438053786f10c5dc282dddd103b7a53570b47 Mon Sep 17 00:00:00 2001 From: Ganesh Ajjanagadde Date: Thu, 29 Oct 2015 00:12:53 -0400 Subject: [PATCH] avfilter/af_volumedetect: use log10 instead of hardcoded constant This is likely more precise and conveys the intent better. Reviewed-by: Mark Harris Signed-off-by: Ganesh Ajjanagadde --- libavfilter/af_volumedetect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/af_volumedetect.c b/libavfilter/af_volumedetect.c index 01f24baea0..4815bccf6b 100644 --- a/libavfilter/af_volumedetect.c +++ b/libavfilter/af_volumedetect.c @@ -78,7 +78,7 @@ static inline double logdb(uint64_t v) double d = v / (double)(0x8000 * 0x8000); if (!v) return MAX_DB; - return log(d) * -4.3429448190325182765112891891660508229; /* -10/log(10) */ + return -log10(d) * 10; } static void print_stats(AVFilterContext *ctx)