diff options
Diffstat (limited to 'src/AudioFormat.hxx')
| -rw-r--r-- | src/AudioFormat.hxx | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/AudioFormat.hxx b/src/AudioFormat.hxx index 8b0ffb557..8c9cda3e3 100644 --- a/src/AudioFormat.hxx +++ b/src/AudioFormat.hxx @@ -23,6 +23,8 @@ #include "pcm/SampleFormat.hxx" #include "util/Compiler.h" +#include <chrono> + #include <stdint.h> #include <stddef.h> @@ -152,6 +154,28 @@ struct AudioFormat { * span to a storage size in bytes. */ double GetTimeToSize() const; + + template<typename D> + constexpr auto TimeToFrames(D t) const noexcept { + using Period = typename D::period; + return ((t.count() * sample_rate) / Period::den) * Period::num; + } + + template<typename D> + constexpr size_t TimeToSize(D t) const noexcept { + return size_t(size_t(TimeToFrames(t)) * GetFrameSize()); + } + + template<typename D> + constexpr D FramesToTime(std::uintmax_t size) const noexcept { + using Period = typename D::period; + return D(((size / Period::num) * Period::den) / sample_rate); + } + + template<typename D> + constexpr D SizeToTime(std::uintmax_t size) const noexcept { + return FramesToTime<D>(size / GetFrameSize()); + } }; /** |