[vlc-devel] [PATCH 04/15] vlc_common: add helper function for explicit nanosecond to/from mtime_t conversion

Steve Lhomme robux4 at ycbcr.xyz
Sat Jun 16 09:34:18 CEST 2018


I used milli instead of ms so it's not confused with msftime_t. And so 
micro and nano seems like logical siblings.


On 2018-06-15 7:58 PM, Rémi Denis-Courmont wrote:
> I'd use ms, us and ns. Nano is just weird.
>
> Le 15 juin 2018 18:09:15 GMT+03:00, Steve Lhomme <robux4 at ycbcr.xyz> a 
> écrit :
>
>     It will be handy if mtime_t has better precision than microseconds.
>     ---
>       include/vlc_common.h | 9 +++++++++
>       1 file changed, 9 insertions(+)
>
>     diff --git a/include/vlc_common.h b/include/vlc_common.h
>     index d4186883df6..3191d3ce4c8 100644
>     --- a/include/vlc_common.h
>     +++ b/include/vlc_common.h
>     @@ -316,6 +316,15 @@ static inline int64_t milli_from_vtick(mtime_t mt)
>           return mt / (CLOCK_FREQ / 1000);
>       }
>       
>     +static inline mtime_t vtick_from_nano(int64_t nano)
>     +{
>     +    return nano / (INT64_C(1000000000) / CLOCK_FREQ);
>     +}
>     +static inline int64_t nano_from_vtick(mtime_t tck)
>     +{
>     +    return tck * INT64_C(1000000000) / CLOCK_FREQ;
>     +}
>     +
>       /**
>        * The vlc_fourcc_t type.
>        *
>
>
> -- 
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>
>
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