[FFmpeg-user] Weird results with drawtext

[Paul B Mahol]

On Sat, Sep 18, 2021 at 6:07 PM Cecil Westerhof via ffmpeg-user <
ffmpeg-user at ffmpeg.org> wrote:

> I have several of the following (simplified):
>     drawtext=
>        enable     = 'between(t, 105, 115)':
>        text       = 'speaker':
>        y          = main_h - (text_h * 4),
>     drawtext=
>        enable     = 'between(t, 105, 115)':
>        text       = 'subject':
>        y          = main_h - (text_h * 2.2),
>
> I have been carefully tweaking to get them on the correct place.
> But when I was satisfied and generated all eight places where I wanted
> to have them the placement of the speaker and subject text is on
> different heights. Sometimes one or the other is different, sometimes
> both and sometimes they are the same.
>
> Is this a bug, or am I doing something wrong?
>

Make sure you do not use subsampled pixel formats.

>
> --
> Cecil Westerhof
> Senior Software Engineer
> LinkedIn: http://www.linkedin.com/in/cecilwesterhof
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
>