Am 19.09.2021 um 12:42 schrieb Cecil Westerhof via ffmpeg-user:
Michael Koch <astroelectro...@t-online.de> writes:
As Michael Koch said:
The content of the variable "text_h" depends on which characters
you are printing.
So I changed:
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),
to:
drawtext=
enable = 'between(t, 105, 115)':
text = 'speaker':
y = main_h - 200,
drawtext=
enable = 'between(t, 105, 115)':
text = 'subject':
y = main_h - 140,
That gives satisfactory results. The only problem is when the font
size changes. Then I have to remember I need to change these two
values also. But I do not expect that to happen often, so I can live
with that.
In your case with the words "speaker" and "subject" it works, but
generally it fails.
For example if you remove the character "k" from "speaker", then the
vertical alignment will be wrong.
Speaker and subject where only templates, in reality there is a
speaker and a subject.
I made a video with eight sets of speakers and subjects and all look
good (enough). So I think (hope) that it works.
But who knows, maybe I need to go back to the drawing-board next time.
(But I certainly hope not.)
I found a simple solution. Replace
y=100-text_h
by
y=100-ascent
This seems to work for all characters.
Michael
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