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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2017-07-03 17:20:35 +0200 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2017-07-03 17:20:35 +0200 |
| commit | 4870d0c148eb49ffeb5482ae55d9cc4c9cc89786 (patch) | |
| tree | 0009fbe559e7e38b1cb30b7095930cfce267a83c /src/utils.cpp | |
| parent | 777ef8b852aab3e95859b9042ddffb09818b28d2 (diff) | |
| download | etisnoop-4870d0c148eb49ffeb5482ae55d9cc4c9cc89786.tar.gz etisnoop-4870d0c148eb49ffeb5482ae55d9cc4c9cc89786.tar.bz2 etisnoop-4870d0c148eb49ffeb5482ae55d9cc4c9cc89786.zip | |
Measure audio levels, add ensemble database WIP
Diffstat (limited to 'src/utils.cpp')
| -rw-r--r-- | src/utils.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/utils.cpp b/src/utils.cpp index 3e741c9..d0c1273 100644 --- a/src/utils.cpp +++ b/src/utils.cpp @@ -29,6 +29,8 @@ #include "utils.hpp" #include <cstring> +#include <cmath> +#include <limits> #include <stdarg.h> using namespace std; @@ -229,3 +231,9 @@ std::string pnum_to_str(uint16_t Programme_Number) } } +int absolute_to_dB(int16_t value) +{ + const int16_t int16_max = std::numeric_limits<int16_t>::max(); + return value ? round(20*log10((double)value / int16_max)) : -90; +} + |