[FFmpeg-devel] [PATCH v2] lavfi/drawtext: Add localtime_ms for millisecond precision

["zhilizhao(赵志立)"]

> On Dec 13, 2021, at 4:12 AM, Nicolas George <george at nsup.org> wrote:
> 
> Thilo Borgman (12021-12-12):
>> + at item localtime_ms
>> +Same as @code{localtime} but with millisecond precision.
>> +It can accept an argument: a strftime() format string.
> 
> What happens if the format string is something like '%H:%M:%S%z'? My
> guess it it prints 21:12:42+0100.1234 instead of 21:12:42.1234+0100.

How about add a restriction like this:

if (format.endsWith(“%S"))
    enable the feature
else
    warning message

It’s a useful feature, it shouldn't create unexpected results, but
doesn’t need to support every use case.

> 
> Regards,
> 
> -- 
>  Nicolas George
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