[FFmpeg-user] Make white of photo transparant

[Paul B Mahol]

On Wed, Jun 29, 2022 at 11:37 AM Cecil Westerhof via ffmpeg-user <
ffmpeg-user at ffmpeg.org> wrote:

> Bouke / Videotoolshed <bouke at videotoolshed.com> writes:
>
> > On 29 Jun 2022, at 01:48, Cecil Westerhof via ffmpeg-user <
> ffmpeg-user at ffmpeg.org> wrote:
> >>
> >>
> >> The background of the photo is white. Would it be possible to make
> >> that transparent? (So where there is white, I do not see white, but
> >> the video.)
> >
> > This is called Luma (or Luminance) key.
> >
> > Yes, it is possible, yes, it will be ugly unless you know what you are
> > doing, and IMHO, FFmpeg is not the tool for this.
>
> A long time ago I tried to work with GUI programs, but I found them to
> bothersome. Ffmpeg was in my case easier. Maybe because I do not edit
> videos often enough. ;-)
>
>
> > (But someone recently mentioned a GUI for filters, that might help you
> big time on this one.)
>
> Do you remember the GUI?
>

https://github.com/richardpl/lavfi-preview


>
> --
> Cecil Westerhof
> Senior Software Engineer
> LinkedIn: http://www.linkedin.com/in/cecilwesterhof
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