[FFmpeg-devel] [PATCH] avfilter/vf_crop: make it possible to use frame metadata when cropping

Paul B Mahol onemda at gmail.com
Sun Jan 17 21:59:56 CET 2016


On 1/17/16, Moritz Barsnick <barsnick at gmx.net> wrote:
> On Sun, Jan 17, 2016 at 20:15:45 +0100, Paul B Mahol wrote:
>
> Nice feature.
>
>> + at item metadata
>> +If set to 1 it will use frame metadata instead to obtain all parameters.
>> +To make use of this feature you need to start @ref{cropdetect} filter
>> before
>> +this filter.
>
> I would probably put it in other words. (Missing the reference to
> cropdetect in the intro, and don't consider "start" the correct term.)
>
>   If set to 1, the frame metadata as inserted by the cropdetect filter
>   will be used to determine all parameters. This requires that the
>   @ref{cropdetect} filter is inserted before this filter in the chain.

Done, thanks.


More information about the ffmpeg-devel mailing list