[FFmpeg-user] cropdetect and the round parameter

[Matt Zagrabelny]

On Fri, Apr 10, 2015 at 2:16 PM, Matt Zagrabelny <mzagrabe at d.umn.edu> wrote:
> Greetings!
>
> Does anyone know when using cropdetect and the round parameter is 16,
> does cropdetect remove more or less to achieve a crop that is
> divisible by 16?
>
> That is, assuming the video's (actual) content dimensions are *not*
> divisible by 16; will ffmpeg
>
> A) show more black border
>
> or
>
> B) remove some of the content of the video
>
> in order to obtain dimensions that are divisible by 16?

Empirical data suggests the latter.

-m