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| author | Max Kellermann <max@duempel.org> | 2014-08-29 20:57:25 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-08-29 21:38:08 +0200 |
| commit | 94f6380d693b8bece655885d37495a3a73c78b62 (patch) | |
| tree | 87a5171aa11b51b062feb53d9437f288281b58b6 /src | |
| parent | 2ee821656f30d8dbd5369f26d5c9ae2c50188cb6 (diff) | |
| download | mpd-94f6380d693b8bece655885d37495a3a73c78b62.tar.gz mpd-94f6380d693b8bece655885d37495a3a73c78b62.tar.xz mpd-94f6380d693b8bece655885d37495a3a73c78b62.zip | |
Chrono: add methods FromScale()
Diffstat (limited to 'src')
| -rw-r--r-- | src/Chrono.hxx | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/Chrono.hxx b/src/Chrono.hxx index 66121db99..e4a304e2c 100644 --- a/src/Chrono.hxx +++ b/src/Chrono.hxx @@ -75,6 +75,18 @@ public: return count() * T(scale) / 1000; } + /** + * Convert a scalar value with the given scale to a #SongTime + * instance. + * + * @param value the input value + * @param scale the value's scale in Hz + */ + template<typename T=rep> + static constexpr SongTime FromScale(T value, unsigned scale) { + return SongTime(value * T(1000) / T(scale)); + } + constexpr double ToDoubleS() const { return double(count()) / 1000.; }; @@ -163,6 +175,18 @@ public: return count() * T(scale) / 1000; } + /** + * Convert a scalar value with the given scale to a + * #SignedSongTime instance. + * + * @param value the input value + * @param scale the value's scale in Hz + */ + template<typename T=rep> + static constexpr SignedSongTime FromScale(T value, unsigned scale) { + return SignedSongTime(value * T(1000) / T(scale)); + } + constexpr double ToDoubleS() const { return double(count()) / 1000.; }; |