[vlc-devel] [PATCH 05/15] vlc_common: add helper function to convert microseconds to/from mtime_t

Rémi Denis-Courmont remi at remlab.net
Sat Jun 16 10:56:50 CEST 2018


Le perjantaina 15. kesäkuuta 2018, 18.09.16 EEST Steve Lhomme a écrit :
> ---
>  include/vlc_common.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/include/vlc_common.h b/include/vlc_common.h
> index 3191d3ce4c8..8b4baffcf27 100644
> --- a/include/vlc_common.h
> +++ b/include/vlc_common.h
> @@ -316,6 +316,14 @@ static inline int64_t milli_from_vtick(mtime_t mt)
>      return mt / (CLOCK_FREQ / 1000);
>  }
> 
> +static inline int64_t micro_from_vtick(mtime_t mt)
> +{
> +    return mt * INT64_C(1000000) / CLOCK_FREQ;
> +}
> +static inline mtime_t vtick_from_micro(int64_t micro)
> +{
> +    return micro * CLOCK_FREQ / INT64_C(1000000);
> +}
>  static inline mtime_t vtick_from_nano(int64_t nano)
>  {
>      return nano / (INT64_C(1000000000) / CLOCK_FREQ);

Use macros to preserve constants.

-- 
Реми Дёни-Курмон
http://www.remlab.net/





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