diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libcamera/internal/utils.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/libcamera/internal/utils.h b/include/libcamera/internal/utils.h index 83dada7c..15beb0f4 100644 --- a/include/libcamera/internal/utils.h +++ b/include/libcamera/internal/utils.h @@ -316,8 +316,40 @@ auto enumerate(T (&iterable)[N]) -> details::enumerate_adapter<T *> } #endif +class Duration : public std::chrono::duration<double, std::nano> +{ + using BaseDuration = std::chrono::duration<double, std::nano>; + +public: + Duration() = default; + + template<typename Rep, typename Period> + constexpr Duration(const std::chrono::duration<Rep, Period> &d) + : BaseDuration(d) + { + } + + template<typename Period> + double get() const + { + auto const c = std::chrono::duration_cast<std::chrono::duration<double, Period>>(*this); + return c.count(); + } + + explicit constexpr operator bool() const + { + return *this != BaseDuration::zero(); + } +}; + } /* namespace utils */ +#ifndef __DOXYGEN__ +template<class CharT, class Traits> +std::basic_ostream<CharT, Traits> &operator<<(std::basic_ostream<CharT, Traits> &os, + const utils::Duration &d); +#endif + } /* namespace libcamera */ #endif /* __LIBCAMERA_INTERNAL_UTILS_H__ */ |